19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.view; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.R; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 22e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackbornimport android.content.res.Configuration; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.RectF; 2975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.graphics.Region; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 3375986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.util.Config; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.SparseArray; 3775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.view.accessibility.AccessibilityEvent; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Animation; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.AnimationUtils; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.LayoutAnimationController; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Transformation; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A <code>ViewGroup</code> is a special view that can contain other views 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (called children.) The view group is the base class for layouts and views 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * containers. This class also defines the 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup.LayoutParams} class which serves as the base 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * class for layouts parameters. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Also see {@link LayoutParams} for layout attributes. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 57d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * 58d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_clipChildren 59d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_clipToPadding 60d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_layoutAnimation 61d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_animationCache 62d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_persistentDrawingCache 63d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_alwaysDrawnWithCache 64d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_addStatesFromChildren 65d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_descendantFocusability 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class ViewGroup extends View implements ViewParent, ViewManager { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean DBG = false; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views which have been hidden or removed which need to be animated on 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their way out. 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ArrayList<View> mDisappearingChildren; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Listener used to propagate events indicating when children are added 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and/or removed from a view group. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected OnHierarchyChangeListener mOnHierarchyChangeListener; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The view contained within this ViewGroup that has or contains focus. 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mFocused; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The current transformation to apply on the child being drawn 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Transformation mChildTransformation; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mInvalidateRegion; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Target of Motion events 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mMotionTarget; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Rect mTempRect = new Rect(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout animation 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutAnimationController mLayoutAnimationController; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Animation.AnimationListener mAnimationListener; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal flags. 1038506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mGroupFlags; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup invalidates only the child's rectangle 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_CHILDREN = 0x1; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup excludes the padding area from the invalidate rectangle 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_TO_PADDING = 0x2; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will invoke invalidate(); this is set by drawChild() when 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // a child needs to be invalidated and FLAG_OPTIMIZE_INVALIDATE is set 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_INVALIDATE_REQUIRED = 0x4; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will run the layout animation and unset the flag 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_RUN_ANIMATION = 0x8; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, there is either no layout animation on the ViewGroup or the layout 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // animation is over 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_DONE = 0x10; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If set, this ViewGroup has padding; if unset there is no padding and we don't need 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to clip it, even if FLAG_CLIP_TO_PADDING is set 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_PADDING_NOT_NULL = 0x20; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup caches its children in a Bitmap before starting a layout animation 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_CACHE = 0x40; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup converts calls to invalidate(Rect) to invalidate() during a 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // layout animation; this avoid clobbering the hierarchy 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Automatically set when the layout animation starts, depending on the animation's 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // characteristics 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_OPTIMIZE_INVALIDATE = 0x80; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, the next call to drawChild() will clear mChildTransformation's matrix 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLEAR_TRANSFORMATION = 0x100; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup invokes mAnimationListener.onAnimationEnd() and removes 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the children's Bitmap caches if necessary 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This flag is set when the layout animation is over (after FLAG_ANIMATION_DONE is set) 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_ANIMATION_LISTENER = 0x200; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, the drawing method will call {@link #getChildDrawingOrder(int, int)} 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to get the index of the child to draw for that iteration. 154293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 155293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @hide 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_USE_CHILD_DRAWING_ORDER = 0x400; 1588506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup supports static transformations on children; this causes 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this flags in {@link #mGroupFlags}. 1678506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_SUPPORT_STATIC_TRANSFORMATIONS = 0x800; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When the previous drawChild() invocation used an alpha value that was lower than 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1.0 and set it in mCachePaint 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALPHA_LOWER_THAN_ONE = 0x1000; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup's drawable states also include those 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its children. 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ADD_STATES_FROM_CHILDREN = 0x2000; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup tries to always draw its children using their drawing cache. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALWAYS_DRAWN_WITH_CACHE = 0x4000; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, and if FLAG_ALWAYS_DRAWN_WITH_CACHE is not set, this ViewGroup will try to 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * draw its children with their drawing cache. 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CHILDREN_DRAWN_WITH_CACHE = 0x8000; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this group will go through its list of children to notify them of 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * any drawable state change. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE = 0x10000; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_MASK_FOCUSABILITY = 0x60000; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus before any of its descendants. 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BEFORE_DESCENDANTS = 0x20000; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus only if none of its descendants want it. 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_AFTER_DESCENDANTS = 0x40000; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will block any of its descendants from getting focus, even 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they are focusable. 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BLOCK_DESCENDANTS = 0x60000; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to map between enum in attrubutes and flag values. 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int[] DESCENDANT_FOCUSABILITY_FLAGS = 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_BLOCK_DESCENDANTS}; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup should not intercept touch events. 226110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell * {@hide} 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 228110486f932510fb49bfeff978b0b0e0237ee0656Adam Powell protected static final int FLAG_DISALLOW_INTERCEPT = 0x80000; 2298506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates which types of drawing caches are to be kept in memory. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mPersistentDrawingCache; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that no drawing cache should be kept in memory. 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_NO_CACHE = 0x0; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the animation drawing cache should be kept in memory. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ANIMATION_CACHE = 0x1; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the scrolling drawing cache should be kept in memory. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_SCROLLING_CACHE = 0x2; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that all drawing caches should be kept in memory. 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ALL_CACHES = 0x3; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We clip to padding when FLAG_CLIP_TO_PADDING and FLAG_PADDING_NOT_NULL 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are set at the same time. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int CLIP_TO_PADDING_MASK = FLAG_CLIP_TO_PADDING | FLAG_PADDING_NOT_NULL; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's left position in the mLocation array 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_LEFT_INDEX = 0; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's top position in the mLocation array 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_TOP_INDEX = 1; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child views of this ViewGroup 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mChildren; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Number of valid children in the mChildren array, the rest should be null or not 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // considered as children 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChildrenCount; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_INITIAL_CAPACITY = 12; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_CAPACITY_INCREMENT = 12; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used to draw cached views 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Paint mCachePaint = new Paint(); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context) { 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs) { 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs, int defStyle) { 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initViewGroup() { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ViewGroup doesn't draw by default 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFlags(WILL_NOT_DRAW, DRAW_MASK); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_CHILDREN; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_TO_PADDING; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_CACHE; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALWAYS_DRAWN_WITH_CACHE; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_BEFORE_DESCENDANTS); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[ARRAY_INITIAL_CAPACITY]; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCachePaint.setDither(false); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = PERSISTENT_SCROLLING_CACHE; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initFromAttributes(Context context, AttributeSet attrs) { 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = a.getIndexCount(); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < N; i++) { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int attr = a.getIndex(i); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (attr) { 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipChildren: 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipChildren(a.getBoolean(attr, true)); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipToPadding: 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipToPadding(a.getBoolean(attr, true)); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_animationCache: 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimationCacheEnabled(a.getBoolean(attr, true)); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_persistentDrawingCache: 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPersistentDrawingCache(a.getInt(attr, PERSISTENT_SCROLLING_CACHE)); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_addStatesFromChildren: 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAddStatesFromChildren(a.getBoolean(attr, false)); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_alwaysDrawnWithCache: 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAlwaysDrawnWithCacheEnabled(a.getBoolean(attr, true)); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_layoutAnimation: 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int id = a.getResourceId(attr, -1); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id > 0) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLayoutAnimation(AnimationUtils.loadLayoutAnimation(mContext, id)); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_descendantFocusability: 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(DESCENDANT_FOCUSABILITY_FLAGS[a.getInt(attr, 0)]); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the descendant focusability of this view group. The descendant 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focusability defines the relationship between this view group and its 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendants when looking for a view to take focus in 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #requestFocus(int, android.graphics.Rect)}. 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 366bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "focus", mapping = { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BEFORE_DESCENDANTS, to = "FOCUS_BEFORE_DESCENDANTS"), 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_AFTER_DESCENDANTS, to = "FOCUS_AFTER_DESCENDANTS"), 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BLOCK_DESCENDANTS, to = "FOCUS_BLOCK_DESCENDANTS") 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getDescendantFocusability() { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mGroupFlags & FLAG_MASK_FOCUSABILITY; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the descendant focusability of this view group. This defines the relationship 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * between this view group and its descendants when looking for a view to 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take focus in {@link #requestFocus(int, android.graphics.Rect)}. 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focusability one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDescendantFocusability(int focusability) { 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (focusability) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("must be one of FOCUS_BEFORE_DESCENDANTS, " 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS"); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_MASK_FOCUSABILITY; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= (focusability & FLAG_MASK_FOCUSABILITY); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void handleFocusGainInternal(int direction, Rect previouslyFocusedRect) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.handleFocusGainInternal(direction, previouslyFocusedRect); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestChildFocus(View child, View focused) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " requestChildFocus()"); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getDescendantFocusability() == FOCUS_BLOCK_DESCENDANTS) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Unfocus us, if necessary 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We had a previous notion of who had focus. Clear it. 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != child) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = child; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestChildFocus(this, focused); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void focusableViewAvailable(View v) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we block our descendants from 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // getting focus 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (getDescendantFocusability() != FOCUS_BLOCK_DESCENDANTS) 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we already are focused 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (and we don't prefer our descendants) 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // note: knowing that mFocused is non-null is not a good enough reason 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to break the traversal since in that case we'd actually have to find 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused view and make sure it wasn't FOCUS_AFTER_DESCENDANTS and 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an ancestor of v; this will get checked for at ViewRoot 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && !(isFocused() && getDescendantFocusability() != FOCUS_AFTER_DESCENDANTS)) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.focusableViewAvailable(v); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent != null && mParent.showContextMenuForChild(originalView); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the nearest view in the specified direction that wants to take 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus. 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focused The view that currently has focus 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FOCUS_RIGHT, or 0 for not applicable. 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View focusSearch(View focused, int direction) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isRootNamespace()) { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // root namespace means we should consider ourselves the top of the 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tree for focus searching; otherwise we could be focus searching 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into other tabs. see LocalActivityManager and TabHost for more info 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return FocusFinder.getInstance().findNextFocus(this, focused, direction); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mParent != null) { 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent.focusSearch(focused, direction); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused != null && 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.dispatchUnhandledMove(focused, direction); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearChildFocus(View child) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " clearChildFocus()"); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.clearChildFocus(this); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearFocus() { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.clearFocus(); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear any child focus if it exists 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.clearFocus(); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void unFocus() { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " unFocus()"); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the focused child of this view, if any. The child may have focus 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or contain focus. 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the focused child or null. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getFocusedChild() { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if this view has or contains focus 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if this view has or contains focus 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocus() { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mPrivateFlags & FOCUSED) != 0 || mFocused != null; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (non-Javadoc) 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#findFocus() 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View findFocus() { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("Find focus in " + this + ": flags=" 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + isFocused() + ", child=" + mFocused); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocused()) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.findFocus(); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocusable() { 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mViewFlags & VISIBILITY_MASK) != VISIBLE) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocusable()) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocusable()) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addFocusables(ArrayList<View> views, int direction) { 61875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov addFocusables(views, direction, FOCUSABLES_TOUCH_MODE); 61975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 62075986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 62175986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov /** 62275986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov * {@inheritDoc} 62375986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov */ 62475986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov @Override 62575986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int focusableCount = views.size(); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 63775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov child.addFocusables(views, direction, focusableMode); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we add ourselves (if focusable) in all cases except for when we are 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FOCUS_AFTER_DESCENDANTS and there are some descendants focusable. this is 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to avoid the focus search finding layouts when a more precise search 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // among the focusable children would be more interesting. 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendantFocusability != FOCUS_AFTER_DESCENDANTS || 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No focusable descendants 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (focusableCount == views.size())) { 65075986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov super.addFocusables(views, direction, focusableMode); 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowFocusChanged(hasFocus); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowFocusChanged(hasFocus); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.addTouchables(views); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy 68543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy /** 68643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy * {@inheritDoc} 68743c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy */ 68843c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy @Override 68943c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy public void dispatchDisplayHint(int hint) { 69043c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy super.dispatchDisplayHint(hint); 69143c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy final int count = mChildrenCount; 69243c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy final View[] children = mChildren; 69343c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy for (int i = 0; i < count; i++) { 69443c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy children[i].dispatchDisplayHint(hint); 69543c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 69643c9cdffb619f93d9d4525dffd05701dc9c8c4bfRomain Guy } 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 702326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell protected void dispatchVisibilityChanged(View changedView, int visibility) { 703326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell super.dispatchVisibilityChanged(changedView, visibility); 704326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell final int count = mChildrenCount; 705326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell final View[] children = mChildren; 706326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell for (int i = 0; i < count; i++) { 707326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell children[i].dispatchVisibilityChanged(changedView, visibility); 708326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell } 709326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell } 710326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell 711326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell /** 712326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell * {@inheritDoc} 713326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell */ 714326d808b858359464b2ffeb84f2e0a8e0c79b600Adam Powell @Override 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowVisibilityChanged(int visibility) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowVisibilityChanged(visibility); 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowVisibilityChanged(visibility); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 726e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn */ 727e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn @Override 728e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 729e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn super.dispatchConfigurationChanged(newConfig); 730e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn final int count = mChildrenCount; 731e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn final View[] children = mChildren; 732e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn for (int i = 0; i < count; i++) { 733e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn children[i].dispatchConfigurationChanged(newConfig); 734e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn } 735e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn } 736e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn 737e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn /** 738e36d6e277e49475076b7872d36ea6a5c5b996e9dDianne Hackborn * {@inheritDoc} 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void recomputeViewAttributes(View child) { 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = mParent; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parent != null) parent.recomputeViewAttributes(this); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7448506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchCollectViewAttributes(int visibility) { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags&VISIBILITY_MASK; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchCollectViewAttributes(visibility); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchCollectViewAttributes(visibility); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void bringChildToFront(View child) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = indexOfChild(child); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, mChildrenCount); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEventPreIme(KeyEvent event) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEventPreIme(event); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEventPreIme(event); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEvent(event); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEvent(event); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyShortcutEvent(KeyEvent event) { 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyShortcutEvent(event); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyShortcutEvent(event); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTrackballEvent(MotionEvent event) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTrackballEvent(event); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchTrackballEvent(event); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTouchEvent(MotionEvent ev) { 82585a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown if (!onFilterTouchEventForSecurity(ev)) { 82685a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown return false; 82785a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown } 82885a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xf = ev.getX(); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yf = ev.getY(); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledXFloat = xf + mScrollX; 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledYFloat = yf + mScrollY; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect frame = mTempRect; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean disallowIntercept = (mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (action == MotionEvent.ACTION_DOWN) { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this is weird, we got a pen down, but we thought it was 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already down! 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX: We should probably send an ACTION_UP to the current 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target. 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we're disallowing intercept or if we're allowing and we didn't 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // intercept 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept || !onInterceptTouchEvent(ev)) { 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reset this event's action (just to protect ourselves) 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_DOWN); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We know we want to dispatch the event down, find a child 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // who can handle it, start with the front-most child. 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledXInt = (int) scrolledXFloat; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledYInt = (int) scrolledYFloat; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 857b08013c312e3d849029a2f4c11889274c00f438dAdam Powell 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || child.getAnimation() != null) { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(scrolledXInt, scrolledYInt)) { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // offset the event to the view's coordinate system 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - child.mLeft; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - child.mTop; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8688afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy child.mPrivateFlags &= ~CANCEL_NEXT_UP_EVENT; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.dispatchTouchEvent(ev)) { 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Event handled, we have a target now. 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = child; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event didn't get handled, try the next view. 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reset the event's location, it's not 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // necessary here. 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8828506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isUpOrCancel = (action == MotionEvent.ACTION_UP) || 8848506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy (action == MotionEvent.ACTION_CANCEL); 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note, we've already copied the previous state to our local 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // variable, so this takes effect on the next event 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8918506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event wasn't an ACTION_DOWN, dispatch it to our target if 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have one. 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View target = mMotionTarget; 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == null) { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We don't have a target, this means we're handling the 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event as a regular view. 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xf, yf); 8998afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy if ((mPrivateFlags & CANCEL_NEXT_UP_EVENT) != 0) { 9008afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy ev.setAction(MotionEvent.ACTION_CANCEL); 9018afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy mPrivateFlags &= ~CANCEL_NEXT_UP_EVENT; 9028afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTouchEvent(ev); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if have a target, see if we're allowed to and want to intercept its 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // events 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!disallowIntercept && onInterceptTouchEvent(ev)) { 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 9118afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy mPrivateFlags &= ~CANCEL_NEXT_UP_EVENT; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_CANCEL); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!target.dispatchTouchEvent(ev)) { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target didn't handle ACTION_CANCEL. not much we can do 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // but they should have. 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear the target 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch this event to our own view, because we already 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // saw it when intercepting; we just want to give the following 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event to the normal onTouchEvent(). 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // finally offset the event to the target's coordinate system and 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatch the event. 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9368afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy if ((target.mPrivateFlags & CANCEL_NEXT_UP_EVENT) != 0) { 9378afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy ev.setAction(MotionEvent.ACTION_CANCEL); 9388afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy target.mPrivateFlags &= ~CANCEL_NEXT_UP_EVENT; 9398afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy mMotionTarget = null; 9408afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy } 9418afa515936e78ccfc5563ca9164dc9a50ca73db4Romain Guy 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return target.dispatchTouchEvent(ev); 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 9498506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept == ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0)) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're already in this state, assume our ancestors are too 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9548506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept) { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_DISALLOW_INTERCEPT; 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9608506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pass it up to our parent 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestDisallowInterceptTouchEvent(disallowIntercept); 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement this method to intercept all touch screen motion events. This 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows you to watch events as they are dispatched to your children, and 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take ownership of the current gesture at any point. 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Using this function takes some care, as it has a fairly complicated 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interaction with {@link View#onTouchEvent(MotionEvent) 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View.onTouchEvent(MotionEvent)}, and using it requires implementing 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that method as well as this one in the correct way. Events will be 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * received in the following order: 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ol> 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> You will receive the down event here. 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> The down event will be handled either by a child of this view 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or given to your own onTouchEvent() method to handle; this means 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you should implement onTouchEvent() to return true, so you will 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * continue to see the rest of the gesture (instead of looking for 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a parent view to handle it). Also, by returning true from 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * onTouchEvent(), you will not receive any following 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events in onInterceptTouchEvent() and all touch processing must 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen in onTouchEvent() like normal. 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> For as long as you return false from this function, each following 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * event (up to and including the final up) will be delivered first here 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and then to the target's onTouchEvent(). 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> If you return true from here, you will not receive any 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * following events: the target view will receive the same event but 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the action {@link MotionEvent#ACTION_CANCEL}, and all further 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events will be delivered to your onTouchEvent() method and no longer 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear here. 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ol> 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ev The motion event being dispatched down the hierarchy. 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Return true to steal motion events from the children and have 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * them dispatched to this ViewGroup through onTouchEvent(). 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The current target will receive an ACTION_CANCEL event, and no further 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * messages will be delivered here. 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Looks for a view to give focus to respecting the setting specified by 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDescendantFocusability()}. 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Uses {@link #onRequestFocusInDescendants(int, android.graphics.Rect)} to 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * find focus within the children of this group when appropriate. 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BEFORE_DESCENDANTS 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_AFTER_DESCENDANTS 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BLOCK_DESCENDANTS 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRequestFocusInDescendants 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestFocus(int direction, Rect previouslyFocusedRect) { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " ViewGroup.requestFocus direction=" 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + direction); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int descendantFocusability = getDescendantFocusability(); 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (descendantFocusability) { 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.requestFocus(direction, previouslyFocusedRect); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = super.requestFocus(direction, previouslyFocusedRect); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : onRequestFocusInDescendants(direction, previouslyFocusedRect); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: { 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = onRequestFocusInDescendants(direction, previouslyFocusedRect); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : super.requestFocus(direction, previouslyFocusedRect); 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("descendant focusability must be " 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "one of FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS " 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "but is " + descendantFocusability); 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Look for a descendant to call {@link View#requestFocus} on. 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link ViewGroup#requestFocus(int, android.graphics.Rect)} 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it wants to request focus within its children. Override this to 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * customize how your {@link ViewGroup} requests focus within its children. 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and FOCUS_RIGHT 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param previouslyFocusedRect The rectangle (in this View's coordinate system) 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to give a finer grained hint about where focus is coming from. May be null 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if there is no hint. 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether focus was taken. 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings({"ConstantConditions"}) 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect previouslyFocusedRect) { 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int increment; 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end; 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((direction & FOCUS_FORWARD) != 0) { 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = 1; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = count; 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count - 1; 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = -1; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = -1; 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = index; i != end; i += increment) { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = children[i]; 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.requestFocus(direction, previouslyFocusedRect)) { 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1086a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy 1087a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy /** 1088a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy * {@inheritDoc} 1089dcc490f20103a4bbd879ea040ce67779d211c2d7Romain Guy * 1090dcc490f20103a4bbd879ea040ce67779d211c2d7Romain Guy * @hide 1091a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy */ 1092a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy @Override 1093a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy public void dispatchStartTemporaryDetach() { 1094a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy super.dispatchStartTemporaryDetach(); 1095a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy final int count = mChildrenCount; 1096a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy final View[] children = mChildren; 1097a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = 0; i < count; i++) { 1098a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy children[i].dispatchStartTemporaryDetach(); 1099a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy } 1100a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy } 1101a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy 1102a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy /** 1103a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy * {@inheritDoc} 1104dcc490f20103a4bbd879ea040ce67779d211c2d7Romain Guy * 1105dcc490f20103a4bbd879ea040ce67779d211c2d7Romain Guy * @hide 1106a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy */ 1107a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy @Override 1108a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy public void dispatchFinishTemporaryDetach() { 1109a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy super.dispatchFinishTemporaryDetach(); 1110a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy final int count = mChildrenCount; 1111a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy final View[] children = mChildren; 1112a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy for (int i = 0; i < count; i++) { 1113a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy children[i].dispatchFinishTemporaryDetach(); 1114a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy } 1115a440b002aa59e1455bdfa2c5a1ca51c74bbc19acRomain Guy } 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchAttachedToWindow(AttachInfo info, int visibility) { 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchAttachedToWindow(info, visibility); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags & VISIBILITY_MASK; 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchAttachedToWindow(info, visibility); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 113175986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov @Override 113275986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 113375986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov boolean populated = false; 113475986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov for (int i = 0, count = getChildCount(); i < count; i++) { 113575986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov populated |= getChildAt(i).dispatchPopulateAccessibilityEvent(event); 113675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 113775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov return populated; 113875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 113975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchDetachedFromWindow() { 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we still have a motion target, we are still in the process of 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatching motion events to a child; we need to get rid of that 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // child to avoid dispatching events to it after the window is torn 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // down. To make sure we keep the child in a consistent state, we 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // first send it an ACTION_CANCEL motion event. 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long now = SystemClock.uptimeMillis(); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MotionEvent event = MotionEvent.obtain(now, now, 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent.ACTION_CANCEL, 0.0f, 0.0f, 0); 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget.dispatchTouchEvent(event); 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event.recycle(); 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchDetachedFromWindow(); 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDetachedFromWindow(); 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPadding(int left, int top, int right, int bottom) { 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setPadding(left, top, right, bottom); 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPaddingLeft | mPaddingTop | mPaddingRight | mPaddingRight) != 0) { 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_PADDING_NOT_NULL; 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_PADDING_NOT_NULL; 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSaveInstanceState(SparseArray<Parcelable> container) { 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchSaveInstanceState(container); 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #saveHierarchyState freeze()} to only this view, 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchSaveInstanceState dispatchFreeze()} to allow subclasses to freeze 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchFreezeSelfOnly(SparseArray<Parcelable> container) { 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) { 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchRestoreInstanceState(container); 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #restoreHierarchyState thaw()} to only this view, 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchRestoreInstanceState dispatchThaw()} to allow subclasses to thaw 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchThawSelfOnly(SparseArray<Parcelable> container) { 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the drawing cache for each child of this view group. 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the cache, false to dispose of it 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled || (mPersistentDrawingCache & PERSISTENT_ALL_CACHES) != PERSISTENT_ALL_CACHES) { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setDrawingCacheEnabled(enabled); 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationStart() { 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationStart(); 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation starts, build the cache for the children 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 1259fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy child.buildDrawingCache(true); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationEnd() { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationEnd(); 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation ends, destroy the cache of the children 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1281223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy @Override 1282223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy Bitmap createSnapshot(Bitmap.Config quality, int backgroundColor, boolean skipChildren) { 128365554f27855ce1764123604b061b10346f8b8404Romain Guy int count = mChildrenCount; 128465554f27855ce1764123604b061b10346f8b8404Romain Guy int[] visibilities = null; 128565554f27855ce1764123604b061b10346f8b8404Romain Guy 1286223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy if (skipChildren) { 128765554f27855ce1764123604b061b10346f8b8404Romain Guy visibilities = new int[count]; 128865554f27855ce1764123604b061b10346f8b8404Romain Guy for (int i = 0; i < count; i++) { 128965554f27855ce1764123604b061b10346f8b8404Romain Guy View child = getChildAt(i); 129065554f27855ce1764123604b061b10346f8b8404Romain Guy visibilities[i] = child.getVisibility(); 129165554f27855ce1764123604b061b10346f8b8404Romain Guy if (visibilities[i] == View.VISIBLE) { 129265554f27855ce1764123604b061b10346f8b8404Romain Guy child.setVisibility(INVISIBLE); 129365554f27855ce1764123604b061b10346f8b8404Romain Guy } 129465554f27855ce1764123604b061b10346f8b8404Romain Guy } 1295223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy } 1296223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy 1297223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy Bitmap b = super.createSnapshot(quality, backgroundColor, skipChildren); 129865554f27855ce1764123604b061b10346f8b8404Romain Guy 129965554f27855ce1764123604b061b10346f8b8404Romain Guy if (skipChildren) { 130065554f27855ce1764123604b061b10346f8b8404Romain Guy for (int i = 0; i < count; i++) { 130165554f27855ce1764123604b061b10346f8b8404Romain Guy getChildAt(i).setVisibility(visibilities[i]); 130265554f27855ce1764123604b061b10346f8b8404Romain Guy } 130365554f27855ce1764123604b061b10346f8b8404Romain Guy } 1304223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy 1305223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy return b; 1306223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy } 1307223ff5c0586adbbd1d6d57a3a4d176222e8b7434Romain Guy 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flags = mGroupFlags; 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_RUN_ANIMATION) != 0 && canAnimate()) { 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean cache = (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = child.getLayoutParams(); 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attachLayoutAnimationParameters(child, params, i, count); 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindLayoutAnimation(child); 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 1328fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy child.buildDrawingCache(true); 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutAnimationController controller = mLayoutAnimationController; 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (controller.willOverlap()) { 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_OPTIMIZE_INVALIDATE; 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project controller.start(); 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_RUN_ANIMATION; 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ANIMATION_DONE; 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationStart(controller.getAnimation()); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (flags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 13568f2d94fd77836dac14319735e40f46b18b04216dRomain Guy canvas.clipRect(mScrollX + mPaddingLeft, mScrollY + mPaddingTop, 13578f2d94fd77836dac14319735e40f46b18b04216dRomain Guy mScrollX + mRight - mLeft - mPaddingRight, 13588f2d94fd77836dac14319735e40f46b18b04216dRomain Guy mScrollY + mBottom - mTop - mPaddingBottom); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We will draw our child's animation, let's reset the flag 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAW_ANIMATION; 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_INVALIDATE_REQUIRED; 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long drawingTime = getDrawingTime(); 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_USE_CHILD_DRAWING_ORDER) == 0) { 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[getChildDrawingOrder(count, i)]; 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw any disappearing views that have animations 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int disappearingCount = disappearingChildren.size() - 1; 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Go backwards -- we may delete as animations finish 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = disappearingCount; i >= 0; i--) { 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = disappearingChildren.get(i); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mGroupFlags might have been updated by drawChild() 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = mGroupFlags; 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_INVALIDATE_REQUIRED) == FLAG_INVALIDATE_REQUIRED) { 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_ANIMATION_DONE) == 0 && (flags & FLAG_NOTIFY_ANIMATION_LISTENER) == 0 && 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController.isDone() && !more) { 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We want to erase the drawing cache and notify the listener after the 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next frame is drawn because one extra invalidate() is caused by 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // drawChild() after the animation is over 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_ANIMATION_LISTENER; 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyAnimationListener(); 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14218506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the index of the child to draw for this iteration. Override this 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you want to change the drawing order of children. By default, it 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns i. 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 1427293451e4f005a26386db873f5192f86585cc79bcRomain Guy * NOTE: In order for this method to be called, you must enable child ordering 1428293451e4f005a26386db873f5192f86585cc79bcRomain Guy * first by calling {@link #setChildrenDrawingOrderEnabled(boolean)}. 14298506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param i The current iteration. 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The index of the child to draw this iteration. 1432293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 1433293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #setChildrenDrawingOrderEnabled(boolean) 1434293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #isChildrenDrawingOrderEnabled() 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getChildDrawingOrder(int childCount, int i) { 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14398506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void notifyAnimationListener() { 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_NOTIFY_ANIMATION_LISTENER; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationEnd(mLayoutAnimationController.getAnimation()); 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw one child of this View Group. This method is responsible for getting 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas in the right state. This includes clipping, translating so 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that the child's scrolled origin is at 0, 0, and applying any animation 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformations. 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param canvas The canvas on which to draw the child 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child Who to draw 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingTime The time at which draw is occuring 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if an invalidate() was issued 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean drawChild(Canvas canvas, View child, long drawingTime) { 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cl = child.mLeft; 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ct = child.mTop; 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cr = child.mRight; 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cb = child.mBottom; 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int flags = mGroupFlags; 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLEAR_TRANSFORMATION) == FLAG_CLEAR_TRANSFORMATION) { 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation != null) { 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation.clear(); 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CLEAR_TRANSFORMATION; 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Transformation transformToApply = null; 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Animation a = child.getAnimation(); 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean concatMatrix = false; 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null) { 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInvalidateRegion == null) { 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInvalidateRegion = new RectF(); 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RectF region = mInvalidateRegion; 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean initialized = a.isInitialized(); 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!initialized) { 15038f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.initialize(cr - cl, cb - ct, getWidth(), getHeight()); 15048f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.initializeInvalidateRegion(0, 0, cr - cl, cb - ct); 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onAnimationStart(); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more = a.getTransformation(drawingTime, mChildTransformation); 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = mChildTransformation; 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = a.willChangeTransformationMatrix(); 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (more) { 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!a.willChangeBounds()) { 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) == 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_INVALIDATE_REQUIRED) == 0) { 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(cl, ct, cr, cb); 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15288f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.getInvalidateRegion(0, 0, cr - cl, cb - ct, region, transformToApply); 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 15334df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 15344df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int left = cl + (int) region.left; 15354df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int top = ct + (int) region.top; 15364df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project invalidate(left, top, left + (int) region.width(), top + (int) region.height()); 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_SUPPORT_STATIC_TRANSFORMATIONS) == 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_SUPPORT_STATIC_TRANSFORMATIONS) { 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasTransform = getChildStaticTransformation(child, mChildTransformation); 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasTransform) { 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int transformType = mChildTransformation.getTransformationType(); 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = transformType != Transformation.TYPE_IDENTITY ? 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation : null; 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = (transformType & Transformation.TYPE_MATRIX) != 0; 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15535bcdff45bf4ada77ae7c95f520b795876adef75cRomain Guy // Sets the flag as early as possible to allow draw() implementations 1554986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy // to call invalidate() successfully when doing animations 15555bcdff45bf4ada77ae7c95f520b795876adef75cRomain Guy child.mPrivateFlags |= DRAWN; 1556986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!concatMatrix && canvas.quickReject(cl, ct, cr, cb, Canvas.EdgeType.BW) && 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (child.mPrivateFlags & DRAW_ANIMATION) == 0) { 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.computeScroll(); 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sx = child.mScrollX; 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sy = child.mScrollY; 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15678506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy boolean scalingRequired = false; 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap cache = null; 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE || 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (flags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE) { 1571fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy cache = child.getDrawingCache(true); 1572cafdea61a85c8f5d0646cc9413a09346c637f43fRomain Guy if (mAttachInfo != null) scalingRequired = mAttachInfo.mScalingRequired; 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasNoCache = cache == null; 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int restoreTo = canvas.save(); 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl - sx, ct - sy); 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl, ct); 15828506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy if (scalingRequired) { 1583cafdea61a85c8f5d0646cc9413a09346c637f43fRomain Guy // mAttachInfo cannot be null, otherwise scalingRequired == false 15848506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy final float scale = 1.0f / mAttachInfo.mApplicationScale; 15858506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.scale(scale, scale); 15868506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float alpha = 1.0f; 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (transformToApply != null) { 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (concatMatrix) { 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transX = 0; 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transY = 0; 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transX = -sx; 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transY = -sy; 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Undo the scroll translation, apply the transformation matrix, 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // then redo the scroll translate to get the correct result. 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(-transX, -transY); 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(transformToApply.getMatrix()); 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(transX, transY); 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha = transformToApply.getAlpha(); 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f && hasNoCache) { 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int multipliedAlpha = (int) (255 * alpha); 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.onSetAlpha(multipliedAlpha)) { 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct, multipliedAlpha, 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= ALPHA_SET; 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((child.mPrivateFlags & ALPHA_SET) == ALPHA_SET) { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLIP_CHILDREN) == FLAG_CLIP_CHILDREN) { 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 16278f2d94fd77836dac14319735e40f46b18b04216dRomain Guy canvas.clipRect(sx, sy, sx + (cr - cl), sy + (cb - ct)); 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16298506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy if (!scalingRequired) { 16308506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.clipRect(0, 0, cr - cl, cb - ct); 16318506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } else { 16328506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.clipRect(0, 0, cache.getWidth(), cache.getHeight()); 16338506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fast path for layouts with no backgrounds 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) { 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.DRAW); 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16438506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy child.mPrivateFlags &= ~DIRTY_MASK; 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDraw(canvas); 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.draw(canvas); 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Paint cachePaint = mCachePaint; 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha((int) (alpha * 255)); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALPHA_LOWER_THAN_ONE; 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_ALPHA_LOWER_THAN_ONE) == FLAG_ALPHA_LOWER_THAN_ONE) { 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha(255); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ALPHA_LOWER_THAN_ONE; 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 165713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (Config.DEBUG && ViewDebug.profileDrawing) { 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EventLog.writeEvent(60003, hashCode()); 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawBitmap(cache, 0.0f, 0.0f, cachePaint); 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(restoreTo); 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null && !more) { 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project finishAnimatingView(child, a); 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to their bounds before drawing. This 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior for animations, etc. 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipChildren true to clip children to their bounds, 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false otherwise 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipChildren 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipChildren(boolean clipChildren) { 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_CHILDREN, clipChildren); 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to the padding of the ViewGroup. This 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipToPadding true to clip children to the padding of the 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, false otherwise 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipToPadding 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipToPadding(boolean clipToPadding) { 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_TO_PADDING, clipToPadding); 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchSetSelected(boolean selected) { 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setSelected(selected); 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17088506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setPressed(pressed); 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is set to true, this ViewGroup supports static transformations on 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children; this causes 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this property to true. 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled True to enable static transformations on children, false otherwise. 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FLAG_SUPPORT_STATIC_TRANSFORMATIONS 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setStaticTransformationsEnabled(boolean enabled) { 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_SUPPORT_STATIC_TRANSFORMATIONS, enabled); 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17398506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * @see #setStaticTransformationsEnabled(boolean) 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean getChildStaticTransformation(View child, Transformation t) { 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewTraversal(int id) { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id == mID) { 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewById(id); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewWithTagTraversal(Object tag) { 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag != null && tag.equals(mTag)) { 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewWithTag(tag); 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child) { 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1); 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index) { 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params = child.getLayoutParams(); 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateDefaultLayoutParams(); 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("generateDefaultLayoutParams() cannot return null"); 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, index, params); 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with this ViewGroup's default layout parameters and the 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified width and height. 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int width, int height) { 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = generateDefaultLayoutParams(); 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.width = width; 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.height = height; 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, LayoutParams params) { 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " addView"); 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // addViewInner() will call child.requestLayout() when setting the new LayoutParams 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // therefore, we call requestLayout() on ourselves before, so that the child's request 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will be blocked at our level 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, false); 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateViewLayout(View view, ViewGroup.LayoutParams params) { 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Invalid LayoutParams supplied to " + this); 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mParent != this) { 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Given view not a child of " + this); 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setLayoutParams(params); 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p != null; 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the hierarchy 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within this view changed. The hierarchy changes whenever a child is added 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or removed from this view. 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnHierarchyChangeListener { 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a new child is added to a parent view. 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view in which a child was added 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the new child view added in the hierarchy 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewAdded(View parent, View child); 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a child is removed from a parent view. 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view from which the child was removed 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child removed from the hierarchy 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewRemoved(View parent, View child); 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when a child is added to or removed 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from this view. 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener the callback to invoke on hierarchy change 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) { 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener = listener; 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params) { 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addViewInLayout(child, index, params, false); 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preventRequestLayout if true, calling this method will not trigger a 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout request on child 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params, 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = null; 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, preventRequestLayout); 195924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy child.mPrivateFlags = (child.mPrivateFlags & ~DIRTY_MASK) | DRAWN; 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prevents the specified child to be laid out during the next layout pass. 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child on which to perform the cleanup 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void cleanupLayoutState(View child) { 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags &= ~View.FORCE_LAYOUT; 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addViewInner(View child, int index, LayoutParams params, 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getParent() != null) { 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("The specified child already has a parent. " + 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "You must call removeView() on the child's parent first."); 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateLayoutParams(params); 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setLayoutParams(params); 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tell our children 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.assignParent(this); 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20068506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AttachInfo ai = mAttachInfo; 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai != null) { 20098506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy boolean lastKeepOn = ai.mKeepScreenOn; 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = false; 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchAttachedToWindow(mAttachInfo, (mViewFlags&VISIBILITY_MASK)); 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai.mKeepScreenOn) { 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(true); 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = lastKeepOn; 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewAdded(this, child); 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) == DUPLICATE_PARENT_STATE) { 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE; 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addInArray(View child, int index) { 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View[] children = mChildren; 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = children.length; 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count) { 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, size); 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[mChildrenCount++] = child; 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index < count) { 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, index); 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, mChildren, index + 1, count - index); 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, children, index + 1, count - index); 20469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index] = child; 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount++; 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("index=" + index + " count=" + count); 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the child's mParent to null 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int index) { 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index].mParent = null; 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count - 1) { 20609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index >= 0 && index < count) { 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index + 1, children, index, count - index - 1); 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the children's mParent to null 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int start, int count) { 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childrenCount = mChildrenCount; 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = Math.max(0, start); 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = Math.min(childrenCount, start + count); 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start == end) { 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == childrenCount) { 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Since we're looping above, we might as well do the copy, but is arraycopy() 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // faster than the extra 2 bounds checks we would do in the loop? 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, end, children, start, childrenCount - end); 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childrenCount - (end - start); i < childrenCount; i++) { 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount -= (end - start); 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindLayoutAnimation(View child) { 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Animation a = mLayoutAnimationController.getAnimationForView(child); 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setAnimation(a); 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should override this method to set layout animation 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters on the supplied child. 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to associate with animation parameters 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the child's layout parameters which hold the animation 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child in the view group 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children in the view group 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachLayoutAnimationParameters(View child, 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params, int index, int count) { 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutAnimationController.AnimationParameters animationParams = 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters; 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animationParams == null) { 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams = new LayoutAnimationController.AnimationParameters(); 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters = animationParams; 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.count = count; 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.index = index; 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeView(View view) { 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a view during layout. This is useful if in your onLayout() method, 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view to remove from the group 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewInLayout(View view) { 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a range of views during layout. This is useful if in your onLayout() method, 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the index of the first view to remove from the group 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove from the group 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewsInLayout(int start, int count) { 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the view at the specified position in the group. 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position in the group of the view to remove 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewAt(int index) { 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, getChildAt(index)); 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the specified range of views from the group. 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first position in the group of the range of views to remove 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViews(int start, int count) { 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(View view) { 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = indexOfChild(view); 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, view); 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(int index, View view) { 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean clearChildFocus = false; 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == mFocused) { 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = true; 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (view.mAttachInfo != null) { 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, view); 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 22098506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus) { 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(view); 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewsInternal(int start, int count) { 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener onHierarchyChangeListener = mOnHierarchyChangeListener; 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notifyListener = onHierarchyChangeListener != null; 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = start + count; 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 22428506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notifyListener) { 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onHierarchyChangeListener.onChildViewRemoved(this, view); 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this method to remove all child views from the 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViews() { 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by a ViewGroup subclass to remove child views from itself, 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it must first know its size on screen before it can calculate how many 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child views it will render. An example is a Gallery or a ListView, which 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may "have" 50 children, but actually only render the number of children 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that can currently fit inside the object on screen. Do not call 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method unless you are extending ViewGroup and understand the 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view measuring and layout pipeline. 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViewsInLayout() { 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener listener = mOnHierarchyChangeListener; 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notify = listener != null; 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 22908506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onChildViewRemoved(this, view); 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mParent = null; 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 23159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finishes the removal of a detached view. This method will dispatch the detached from 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window event and notify the hierarchy change listener. 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to be definitely removed from the view hierarchy 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animate if true and the view has an animation, the view is placed in the 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disappearing views list, otherwise, it is detached from the window 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void removeDetachedView(View child, boolean animate) { 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == mFocused) { 23339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.clearFocus(); 23349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23358506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animate && child.getAnimation() != null) { 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(child); 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (child.mAttachInfo != null) { 23399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDetachedFromWindow(); 23409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 23439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, child); 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attaches a view to this view group. Attaching a view assigns this group as the parent, 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sets the layout parameters and puts the view in the list of children so it can be retrieved 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by calling {@link #getChildAt(int)}. 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method should be called only for view which were detached from their parent. 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to attach 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child should be attached 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters of the child 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachViewToParent(View child, int index, LayoutParams params) { 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 2373bc9fdc92603112b3462024c8d0096b4eca3001c3Romain Guy child.mPrivateFlags = (child.mPrivateFlags & ~DIRTY_MASK & ~DRAWING_CACHE_VALID) | DRAWN; 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to detach 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(View child) { 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(indexOfChild(child)); 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child to detach 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(int index) { 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a range of view from their parent. Detaching a view should be temporary and followed 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, its 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first index of the childrend range to detach 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children to detach 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 24299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 24309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewsFromParent(int start, int count) { 24329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches all views from the parent. Detaching a view should be temporary and followed 24379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 24389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 24399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 24429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 24439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 24449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 24459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachAllViewsFromParent() { 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 24509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 24579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call or override this method. It is used for the implementation of 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view hierarchy. 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void invalidateChild(View child, final Rect dirty) { 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD); 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = this; 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AttachInfo attachInfo = mAttachInfo; 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (attachInfo != null) { 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] location = attachInfo.mInvalidateChildLocation; 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = child.mLeft; 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = child.mTop; 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child is drawing an animation, we want to copy this flag onto 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ourselves and the parent to make sure the invalidate request goes 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // through 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawAnimation = (child.mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION; 248324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 248424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Check whether the child that requests the invalidate is fully opaque 2485ec25df9fbc685be384f8dd764fa224a4d923e9d8Romain Guy final boolean isOpaque = child.isOpaque() && !drawAnimation && 2486ec25df9fbc685be384f8dd764fa224a4d923e9d8Romain Guy child.getAnimation() != null; 248724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Mark the child as dirty, using the appropriate flag 248824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Make sure we do not set both flags at the same time 248924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy final int opaqueFlag = isOpaque ? DIRTY_OPAQUE : DIRTY; 249024443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 249224443ea3992e372e47daa50266b0f2ec38cac388Romain Guy View view = null; 249324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (parent instanceof View) { 249424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view = (View) parent; 249524443ea3992e372e47daa50266b0f2ec38cac388Romain Guy } 249624443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 2497bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy if (drawAnimation) { 249824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (view != null) { 249924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view.mPrivateFlags |= DRAW_ANIMATION; 2500bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } else if (parent instanceof ViewRoot) { 2501bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy ((ViewRoot) parent).mIsAnimating = true; 2502bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 250424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 250524443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // If the parent is dirty opaque or not dirty, mark it dirty with the opaque 250624443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // flag coming from the child that initiated the invalidate 250724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (view != null && (view.mPrivateFlags & DIRTY_MASK) != DIRTY) { 250824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view.mPrivateFlags = (view.mPrivateFlags & ~DIRTY_MASK) | opaqueFlag; 250924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy } 251024443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parent = parent.invalidateChildInParent(location, dirty); 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (parent != null); 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call or override this method. It is used for the implementation of 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view hierarchy. 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This implementation returns null if this ViewGroup does not have a parent, 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if this ViewGroup is already fully invalidated or if the dirty rectangle 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with this ViewGroup's bounds. 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewParent invalidateChildInParent(final int[] location, final Rect dirty) { 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD_IN_PARENT); 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & DRAWN) == DRAWN) { 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) != 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.offset(location[CHILD_LEFT_INDEX] - mScrollX, 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] - mScrollY); 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int left = mLeft; 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = mTop; 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25389aed300279db6953356aed5ef24a42291f5829cbAdam Powell if (dirty.intersect(0, 0, mRight - left, mBottom - top) || 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION) { 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWING_CACHE_VALID; 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = left; 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = top; 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWN & ~DRAWING_CACHE_VALID; 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = mLeft; 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = mTop; 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.set(0, 0, mRight - location[CHILD_LEFT_INDEX], 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottom - location[CHILD_TOP_INDEX]); 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in a descendant's coordinate 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * space into our coordinate space. 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetDescendantRectToMyCoords(View descendant, Rect rect) { 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, true, false); 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in our coordinate space into an ancestor's 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate space. 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetRectIntoDescendantCoords(View descendant, Rect rect) { 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, false, false); 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper method that offsets a rect either from parent to descendant or 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendant to parent. 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void offsetRectBetweenParentAndChild(View descendant, Rect rect, 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean offsetFromChildToParent, boolean clipToBounds) { 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already in the same coord system :) 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendant == this) { 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent theParent = descendant.mParent; 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // search and offset up to the parent 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((theParent != null) 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent instanceof View) 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent != this)) { 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant = (View) theParent; 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project theParent = descendant.mParent; 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now that we are up to this view, need to offset one more time 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to get into our coordinate space 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (theParent == this) { 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("parameter must be a descendant of this view"); 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset the vertical location of all children of this view by the specified number of pixels. 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset the number of pixels to offset 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void offsetChildrenTopAndBottom(int offset) { 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = children[i]; 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mTop += offset; 26519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mBottom += offset; 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getChildVisibleRect(View child, Rect r, android.graphics.Point offset) { 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dx = child.mLeft - mScrollX; 26609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dy = child.mTop - mScrollY; 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset != null) { 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.x += dx; 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.y += dy; 26649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.offset(dx, dy); 26669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r.intersect(0, 0, mRight - mLeft, mBottom - mTop) && 26679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mParent == null || mParent.getChildVisibleRect(this, r, offset)); 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 26749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected abstract void onLayout(boolean changed, 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int l, int t, int r, int b); 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the view group has the ability to animate its children 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after the first layout. 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the children can be animated, false otherwise 26829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean canAnimate() { 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController != null; 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the layout animation. Calling this method triggers a relayout of 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view group. 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void startLayoutAnimation() { 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Schedules the layout animation to be played after the next layout pass 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this view group. This can be used to restart the layout animation 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the content of the view group changes or when the activity is 27029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paused and resumed. 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void scheduleLayoutAnimation() { 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the layout animation controller used to animate the group's 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children after the first layout. 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param controller the animation controller 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimation(LayoutAnimationController controller) { 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController = controller; 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the layout animation controller used to animate the group's 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the current animation controller 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController getLayoutAnimation() { 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController; 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a layout 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. By default, the drawing cache is enabled but this will prevent 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * nested layout animations from working. To nest animations, you must disable 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cache. 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 27419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAnimationCacheEnabled() { 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a layout animation. 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will prevent nested 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout animations from working. To nest animations, you must disable the 27519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cache. 27529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the animation cache, false otherwise 27549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAnimationCacheEnabled() 27569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAnimationCacheEnabled(boolean enabled) { 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ANIMATION_CACHE, enabled); 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. By default this property is enabled. 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 27679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 27699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 27709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 27719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2772bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "drawing") 27739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAlwaysDrawnWithCacheEnabled() { 27749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE; 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 27799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. This property can be set to true when the cache rendering is 27809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * slightly different from the children's normal rendering. Renderings can be different, 27819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for instance, when the cache's quality is set to low. 27829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is disabled, the ViewGroup will use the drawing cache of its 27849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children only when asked to. It's usually the task of subclasses to tell ViewGroup 27859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when to start using the drawing cache and when to stop using it. 27869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param always true to always draw with the drawing cache, false otherwise 27889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAlwaysDrawnWithCacheEnabled() 27909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 27919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 27929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheQuality(int) 27939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlwaysDrawnWithCacheEnabled(boolean always) { 27959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ALWAYS_DRAWN_WITH_CACHE, always); 27969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the ViewGroup is currently drawing its children using 28009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their drawing cache. 28019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if children should be drawn with their cache, false otherwise 28039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 28059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 28069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2807bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "drawing") 28089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isChildrenDrawnWithCacheEnabled() { 28099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE; 28109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tells the ViewGroup to draw its children using their drawing cache. This property 28149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ignored when {@link #isAlwaysDrawnWithCacheEnabled()} is true. A child's drawing cache 28159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be used only if it has been enabled. 28169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should call this method to start and stop using the drawing cache when 28189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they perform performance sensitive operations, like scrolling or animating. 28199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true if children should be drawn with their cache, false otherwise 28219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 28239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isChildrenDrawnWithCacheEnabled() 28249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 28269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CHILDREN_DRAWN_WITH_CACHE, enabled); 28279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829293451e4f005a26386db873f5192f86585cc79bcRomain Guy /** 2830293451e4f005a26386db873f5192f86585cc79bcRomain Guy * Indicates whether the ViewGroup is drawing its children in the order defined by 2831293451e4f005a26386db873f5192f86585cc79bcRomain Guy * {@link #getChildDrawingOrder(int, int)}. 2832293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 2833293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @return true if children drawing order is defined by {@link #getChildDrawingOrder(int, int)}, 2834293451e4f005a26386db873f5192f86585cc79bcRomain Guy * false otherwise 2835293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 2836293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #setChildrenDrawingOrderEnabled(boolean) 2837293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #getChildDrawingOrder(int, int) 2838293451e4f005a26386db873f5192f86585cc79bcRomain Guy */ 2839bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "drawing") 2840293451e4f005a26386db873f5192f86585cc79bcRomain Guy protected boolean isChildrenDrawingOrderEnabled() { 2841293451e4f005a26386db873f5192f86585cc79bcRomain Guy return (mGroupFlags & FLAG_USE_CHILD_DRAWING_ORDER) == FLAG_USE_CHILD_DRAWING_ORDER; 2842293451e4f005a26386db873f5192f86585cc79bcRomain Guy } 2843293451e4f005a26386db873f5192f86585cc79bcRomain Guy 2844293451e4f005a26386db873f5192f86585cc79bcRomain Guy /** 2845293451e4f005a26386db873f5192f86585cc79bcRomain Guy * Tells the ViewGroup whether to draw its children in the order defined by the method 2846293451e4f005a26386db873f5192f86585cc79bcRomain Guy * {@link #getChildDrawingOrder(int, int)}. 2847293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 2848293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @param enabled true if the order of the children when drawing is determined by 2849293451e4f005a26386db873f5192f86585cc79bcRomain Guy * {@link #getChildDrawingOrder(int, int)}, false otherwise 2850293451e4f005a26386db873f5192f86585cc79bcRomain Guy * 2851293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #isChildrenDrawingOrderEnabled() 2852293451e4f005a26386db873f5192f86585cc79bcRomain Guy * @see #getChildDrawingOrder(int, int) 2853293451e4f005a26386db873f5192f86585cc79bcRomain Guy */ 2854293451e4f005a26386db873f5192f86585cc79bcRomain Guy protected void setChildrenDrawingOrderEnabled(boolean enabled) { 2855293451e4f005a26386db873f5192f86585cc79bcRomain Guy setBooleanFlag(FLAG_USE_CHILD_DRAWING_ORDER, enabled); 2856293451e4f005a26386db873f5192f86585cc79bcRomain Guy } 2857293451e4f005a26386db873f5192f86585cc79bcRomain Guy 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setBooleanFlag(int flag, boolean value) { 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value) { 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= flag; 28619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 28629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~flag; 28639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an integer indicating what types of drawing caches are kept in memory. 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setPersistentDrawingCache(int) 28709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 28719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one or a combination of {@link #PERSISTENT_NO_CACHE}, 28739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 28749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 28759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2876bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "drawing", mapping = { 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_NO_CACHE, to = "NONE"), 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ANIMATION"), 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_SCROLLING_CACHE, to = "SCROLLING"), 28809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ALL") 28819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPersistentDrawingCache() { 28839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPersistentDrawingCache; 28849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates what types of drawing caches should be kept in memory after 28889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they have been created. 28899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistentDrawingCache() 28919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 28929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingCacheToKeep one or a combination of {@link #PERSISTENT_NO_CACHE}, 28949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 28959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 28969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPersistentDrawingCache(int drawingCacheToKeep) { 28989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = drawingCacheToKeep & PERSISTENT_ALL_CACHES; 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new set of layout parameters based on the supplied attributes set. 29039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the attributes to build the layout parameters from 29059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 29079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 29089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 29109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(getContext(), attrs); 29119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a safe set of layout parameters based on the supplied layout params. 29159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When a ViewGroup is passed a View whose layout params do not pass the test of 29169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #checkLayoutParams(android.view.ViewGroup.LayoutParams)}, this method 29179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is invoked. This method should return a new set of layout params suitable for 29189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this ViewGroup, possibly by copying the appropriate attributes from the 29199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified set of layout params. 29209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p The layout parameters to convert into a suitable set of layout parameters 29229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this ViewGroup. 29239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 29259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 29269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 29289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 29299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a set of default layout parameters. These parameters are requested 29339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the View passed to {@link #addView(View)} has no layout parameters 29349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * already set. If null is returned, an exception is thrown from addView. 29359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a set of default layout parameters or null 29379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateDefaultLayoutParams() { 29399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 29409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 294313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 294413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 294513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 294613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean dispatchConsistencyCheck(int consistency) { 294713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.dispatchConsistencyCheck(consistency); 294813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 294913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = mChildrenCount; 295013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] children = mChildren; 295113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 295213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!children[i].dispatchConsistencyCheck(consistency)) result = false; 295313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 295413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 295513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 295613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 295713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 295813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 295913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 296013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 296113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 296213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean onConsistencyCheck(int consistency) { 296313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.onConsistencyCheck(consistency); 296413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 296513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkLayout = (consistency & ViewDebug.CONSISTENCY_LAYOUT) != 0; 296613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkDrawing = (consistency & ViewDebug.CONSISTENCY_DRAWING) != 0; 296713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 296813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkLayout) { 296913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = mChildrenCount; 297013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] children = mChildren; 297113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 297213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (children[i].getParent() != this) { 297313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 297413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy android.util.Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 297513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "View " + children[i] + " has no parent/a parent that is not " + this); 297613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 297713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 297813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 297913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 298013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkDrawing) { 298113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // If this group is dirty, check that the parent is dirty as well 298213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if ((mPrivateFlags & DIRTY_MASK) != 0) { 298313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ViewParent parent = getParent(); 298413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (parent != null && !(parent instanceof ViewRoot)) { 298513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if ((((View) parent).mPrivateFlags & DIRTY_MASK) == 0) { 298613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 298713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy android.util.Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 298813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "ViewGroup " + this + " is dirty but its parent is not: " + this); 298913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 299013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 299113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 299213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 299313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 299413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 299513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 299613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 299713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 29989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 29999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void debug(int depth) { 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.debug(depth); 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String output; 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "mFocused"; 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "{"; 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = mChildren[i]; 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.debug(depth + 1); 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "}"; 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the position in the group of the specified child view. 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view for which to get the position 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the position of the view in the 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or -1 if the view does not exist in the group 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int indexOfChild(View child) { 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (children[i] == child) { 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of children in the group. 30489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the number of children in 30509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the group 30519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChildCount() { 30539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildrenCount; 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the view at the specified position in the group. 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to get the view from 30609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the view at the specified position or null if the position 30619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not exist within the group 30629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getChildAt(int index) { 30649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildren[index]; 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IndexOutOfBoundsException ex) { 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask all of the children of this view to measure themselves, taking into 30739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We skip children that are in the GONE state The heavy lifting is done in 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getChildMeasureSpec. 30769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec The width requirements for this view 30789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec The height requirements for this view 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildren(int widthMeasureSpec, int heightMeasureSpec) { 30819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = mChildrenCount; 30829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; ++i) { 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) != GONE) { 30869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChild(child, widthMeasureSpec, heightMeasureSpec); 30879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 30939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 30949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The heavy lifting is done in getChildMeasureSpec. 30959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 30979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 30989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 30999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChild(View child, int parentWidthMeasureSpec, 31019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec) { 31029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams lp = child.getLayoutParams(); 31039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 31059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight, lp.width); 31069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 31079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom, lp.height); 31089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 31109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 31149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding 31159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and margins. The child must have MarginLayoutParams The heavy lifting is 31169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * done in getChildMeasureSpec. 31179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 31199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 31209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthUsed Extra space that has been used up by the parent 31219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * horizontally (possibly by other children of the parent) 31229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 31239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightUsed Extra space that has been used up by the parent 31249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertically (possibly by other children of the parent) 31259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildWithMargins(View child, 31279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentWidthMeasureSpec, int widthUsed, 31289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec, int heightUsed) { 31299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams(); 31309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 31329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight + lp.leftMargin + lp.rightMargin 31339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + widthUsed, lp.width); 31349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 31359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom + lp.topMargin + lp.bottomMargin 31369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + heightUsed, lp.height); 31379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 31399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Does the hard part of measureChildren: figuring out the MeasureSpec to 31439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pass to a particular child. This method figures out the right MeasureSpec 31449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for one dimension (height or width) of one child view. 31459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The goal is to combine information from our MeasureSpec with the 31479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams of the child to get the best possible results. For example, 31489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the this view knows its size (because its MeasureSpec has a mode of 31499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * EXACTLY), and the child has indicated in its LayoutParams that it wants 31509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be the same size as the parent, the parent should ask the child to 31519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout given an exact size. 31529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param spec The requirements for this view 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param padding The padding of this view for the current dimension and 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * margins, if applicable 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childDimension How big the child wants to be in the current 31579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * dimension 31589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a MeasureSpec integer for the child 31599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getChildMeasureSpec(int spec, int padding, int childDimension) { 31619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(spec); 31629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(spec); 31639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = Math.max(0, specSize - padding); 31659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultSize = 0; 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultMode = 0; 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed an exact size on us 31719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 31729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 31739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 31749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 3175980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy } else if (childDimension == LayoutParams.MATCH_PARENT) { 31769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size. So be it. 31779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 31789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 31809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 31819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 31829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 31839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 31849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 31869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed a maximum size on us 31889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 31899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 31909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... so be it 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 31929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 3193980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy } else if (childDimension == LayoutParams.MATCH_PARENT) { 31949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size, but our size is not fixed. 31959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constrain child to not be bigger than us. 31969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 31979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 31989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 31999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 32009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 32019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 32029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 32039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 32059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent asked to see how big we want to be 32079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 32089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 32099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... let him have it 32109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 32119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 3212980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy } else if (childDimension == LayoutParams.MATCH_PARENT) { 32139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size... find out how big it should 32149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be 32159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 32169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 32179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 32189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size.... find out how 32199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // big it should be 32209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 32219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 32229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 32249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MeasureSpec.makeMeasureSpec(resultSize, resultMode); 32269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes any pending animations for views that have been removed. Call 32319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this if you don't want animations for exiting views to stack up. 32329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearDisappearingChildren() { 32349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 32359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDisappearingChildren.clear(); 32369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a view which is removed from mChildren but still needs animation 32419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v View to add 32439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addDisappearingView(View v) { 32459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> disappearingChildren = mDisappearingChildren; 32469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren == null) { 32489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren = mDisappearingChildren = new ArrayList<View>(); 32499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.add(v); 32529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cleanup a view when its animation is done. This may mean removing it from 32569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the list of disappearing views. 32579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose animation has finished 32599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation The animation, cannot be null 32609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void finishAnimatingView(final View view, Animation animation) { 32629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 32639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren != null) { 32649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren.contains(view)) { 32659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.remove(view); 32669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mAttachInfo != null) { 32689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 32699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 32729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 32739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animation != null && !animation.getFillAfter()) { 32779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 32789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((view.mPrivateFlags & ANIMATION_STARTED) == ANIMATION_STARTED) { 32819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.onAnimationEnd(); 32829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Should be performed by onAnimationEnd() but this avoid an infinite loop, 32839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // so we'd rather be safe than sorry 32849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mPrivateFlags &= ~ANIMATION_STARTED; 32859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw one more frame after the animation is done 32869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 32879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 32929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 32949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean gatherTransparentRegion(Region region) { 32959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no transparent regions requested, we are always opaque. 32969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean meOpaque = (mPrivateFlags & View.REQUEST_TRANSPARENT_REGIONS) == 0; 32979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meOpaque && region == null) { 32989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The caller doesn't care about the region, so stop now. 32999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 33009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.gatherTransparentRegion(region); 33029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 33039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 33049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean noneOfTheChildrenAreTransparent = true; 33059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 33069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 3307e33811512eb061338792dbb0dbd37a1b8e4e1079Mathias Agopian if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 33089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.gatherTransparentRegion(region)) { 33099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project noneOfTheChildrenAreTransparent = false; 33109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return meOpaque || noneOfTheChildrenAreTransparent; 33149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 33189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestTransparentRegion(View child) { 33209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 33219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= View.REQUEST_TRANSPARENT_REGIONS; 33229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 33239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestTransparentRegion(this); 33249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33278506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 33289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean fitSystemWindows(Rect insets) { 33319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = super.fitSystemWindows(insets); 33329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done) { 33339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 33349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 33359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 33369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = children[i].fitSystemWindows(insets); 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (done) { 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 33399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return done; 33439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the animation listener to which layout animation events are 33479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sent. 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an {@link android.view.animation.Animation.AnimationListener} 33509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Animation.AnimationListener getLayoutAnimationListener() { 33529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationListener; 33539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 33579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 33589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE) != 0) { 33609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 33619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("addStateFromChildren cannot be enabled if a" 33629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " child has duplicateParentState set to true"); 33639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 33669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 33679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 33699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 33709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) != 0) { 33719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.refreshDrawableState(); 33729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 33789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 33799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) == 0) { 33809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 33819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int need = 0; 33849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = getChildCount(); 33859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 33869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 33879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 33899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project need += childState.length; 33909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + need); 33949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 33969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 33979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 33999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = mergeDrawableStates(state, childState); 34009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this ViewGroup's drawable states also include 34089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 34099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 34109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 34119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAddStatesFromChildren(boolean addsStates) { 34139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (addsStates) { 34149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ADD_STATES_FROM_CHILDREN; 34159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ADD_STATES_FROM_CHILDREN; 34179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 34209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether this ViewGroup's drawable states also include 34249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean addStatesFromChildren() { 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0; 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If {link #addStatesFromChildren} is true, refreshes this group's 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawable state (to include the states from its children). 34359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void childDrawableStateChanged(View child) { 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 34389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies the animation listener to which layout animation events must 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be sent. Only 34459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationStart(Animation)} 34469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and 34479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationEnd(Animation)} 34489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are invoked. 34499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animationListener the layout animation listener 34519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimationListener(Animation.AnimationListener animationListener) { 34539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener = animationListener; 34549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams are used by views to tell their parents how they want to be 34589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * laid out. See 34599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_Layout ViewGroup Layout Attributes} 34609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 34618506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 34629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 34639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The base LayoutParams class just describes how big the view wants to be 34649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for both width and height. For each dimension, it can specify one of: 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 34663d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * <li>FILL_PARENT (renamed MATCH_PARENT in API Level 8 and higher), which 34673d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * means that the view wants to be as big as its parent (minus padding) 34689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> WRAP_CONTENT, which means that the view wants to be just big enough 34699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to enclose its content (plus padding) 34703d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * <li> an exact number 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 34729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There are subclasses of LayoutParams for different subclasses of 34739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. For example, AbsoluteLayout has its own subclass of 34749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams which adds an X and Y value. 34759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_height 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_width 34789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams { 34809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34813d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * Special value for the height or width requested by a View. 34823d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * FILL_PARENT means that the view wants to be as big as its parent, 34833d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * minus the parent's padding, if any. This value is deprecated 34843d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * starting in API Level 8 and replaced by {@link #MATCH_PARENT}. 34859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3486980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 3487980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy @Deprecated 34889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FILL_PARENT = -1; 34899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special value for the height or width requested by a View. 3492f5c6eff63d19a9f7a970a4f90619edac873c006dGilles Debunne * MATCH_PARENT means that the view wants to be as big as its parent, 34933d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * minus the parent's padding, if any. Introduced in API Level 8. 3494980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy */ 3495980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy public static final int MATCH_PARENT = -1; 3496980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy 3497980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy /** 3498980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy * Special value for the height or width requested by a View. 34999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WRAP_CONTENT means that the view wants to be just large enough to fit 35009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its own internal content, taking its own padding into account. 35019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WRAP_CONTENT = -2; 35039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35053d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * Information about how wide the view wants to be. Can be one of the 35063d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * constants FILL_PARENT (replaced by MATCH_PARENT , 35073d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * in API Level 8) or WRAP_CONTENT. or an exact size. 35089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3509bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout", mapping = { 3510980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy @ViewDebug.IntToString(from = MATCH_PARENT, to = "MATCH_PARENT"), 35119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 35129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 35139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 35149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35163d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * Information about how tall the view wants to be. Can be one of the 35173d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * constants FILL_PARENT (replaced by MATCH_PARENT , 35183d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * in API Level 8) or WRAP_CONTENT. or an exact size. 35199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3520bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout", mapping = { 3521980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy @ViewDebug.IntToString(from = MATCH_PARENT, to = "MATCH_PARENT"), 35229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 35239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 35249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 35259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to animate layouts. 35289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController.AnimationParameters layoutAnimationParameters; 35309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 35339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. The XML attributes mapped 35349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to this set of layout parameters are: 35359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 35379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_width</code>: the width, either an exact value, 35383d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #WRAP_CONTENT}, or {@link #FILL_PARENT} (replaced by 35393d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #MATCH_PARENT} in API Level 8)</li> 35409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_height</code>: the height, either an exact value, 35413d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #WRAP_CONTENT}, or {@link #FILL_PARENT} (replaced by 35423d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #MATCH_PARENT} in API Level 8)</li> 35439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 35449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 35469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 35479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 35489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 35509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_Layout); 35519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 35529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_width, 35539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_height); 35549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 35559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters with the specified width 35599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and height. 35609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35613d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * @param width the width, either {@link #WRAP_CONTENT}, 35623d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #FILL_PARENT} (replaced by {@link #MATCH_PARENT} in 35633d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * API Level 8), or a fixed size in pixels 35643d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * @param height the height, either {@link #WRAP_CONTENT}, 35653d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * {@link #FILL_PARENT} (replaced by {@link #MATCH_PARENT} in 35663d5f648f8fe61507107b900fc3c4cf79b19572c6Dirk Dougherty * API Level 8), or a fixed size in pixels 35679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int width, int height) { 35699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = width; 35709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = height; 35719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width and height values of the source. 35759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 35779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(LayoutParams source) { 35799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 35809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 35819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used internally by MarginLayoutParams. 35859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 35869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams() { 35889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Extracts the layout parameters from the supplied attributes. 35929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a the style attributes to extract the parameters from 35949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthAttr the identifier of the width attribute 35959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightAttr the identifier of the height attribute 35969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setBaseAttributes(TypedArray a, int widthAttr, int heightAttr) { 35989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = a.getLayoutDimension(widthAttr, "layout_width"); 35999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = a.getLayoutDimension(heightAttr, "layout_height"); 36009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a String representation of this set of layout parameters. 36049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output the String to prepend to the internal representation 36069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with the following format: output + 36079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "ViewGroup.LayoutParams={ width=WIDTH, height=HEIGHT }" 36088506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 36099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 36109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String debug(String output) { 36129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return output + "ViewGroup.LayoutParams={ width=" 36139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + sizeToString(width) + ", height=" + sizeToString(height) + " }"; 36149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts the specified size to a readable String. 36189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param size the size to convert 36209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String instance representing the supplied size 36218506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 36229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 36239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static String sizeToString(int size) { 36259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == WRAP_CONTENT) { 36269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "wrap-content"; 36279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3628980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy if (size == MATCH_PARENT) { 3629980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy return "match-parent"; 36309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String.valueOf(size); 36329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Per-child layout information for layouts that support margins. 36379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 36389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_MarginLayout ViewGroup Margin Layout Attributes} 36399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 36409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class MarginLayoutParams extends ViewGroup.LayoutParams { 36429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The left margin in pixels of the child. 36449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3645bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 36469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int leftMargin; 36479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top margin in pixels of the child. 36509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3651bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 36529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int topMargin; 36539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The right margin in pixels of the child. 36569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3657bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 36589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int rightMargin; 36599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The bottom margin in pixels of the child. 36629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3663bea95162ca25bd00b0479d93739b6283795c3986Konstantin Lopyrev @ViewDebug.ExportedProperty(category = "layout") 36649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int bottomMargin; 36659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 36689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. 36699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 36719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 36729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 36739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 36749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(Context c, AttributeSet attrs) { 36759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(); 36769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_MarginLayout); 36789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 36799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_width, 36809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_height); 36819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int margin = a.getDimensionPixelSize( 36839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ViewGroup_MarginLayout_layout_margin, -1); 36849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (margin >= 0) { 36859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = margin; 36869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = margin; 36879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin= margin; 36889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = margin; 36899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 36909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = a.getDimensionPixelSize( 36919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginLeft, 0); 36929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = a.getDimensionPixelSize( 36939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginTop, 0); 36949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = a.getDimensionPixelSize( 36959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginRight, 0); 36969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = a.getDimensionPixelSize( 36979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginBottom, 0); 36989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 37019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 37059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 37069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(int width, int height) { 37079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(width, height); 37089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width, height and margin values of the source. 37129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 37149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 37159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(MarginLayoutParams source) { 37169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 37179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 37189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.leftMargin = source.leftMargin; 37209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.topMargin = source.topMargin; 37219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.rightMargin = source.rightMargin; 37229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.bottomMargin = source.bottomMargin; 37239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 37279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 37289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(LayoutParams source) { 37299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 37309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the margins, in pixels. 37349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left the left margin size 37369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top the top margin size 37379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right the right margin size 37389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom the bottom margin size 37399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginLeft 37419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginTop 37429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginRight 37439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginBottom 37449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 37459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMargins(int left, int top, int right, int bottom) { 37469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = left; 37479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = top; 37489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = right; 37499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = bottom; 37509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3753