ViewGroup.java revision fbd8f69a84163ef1cf52b07966320caf448c2bc9
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; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.RectF; 2875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.graphics.Region; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 3275986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.util.Config; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.SparseArray; 3675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganovimport android.view.accessibility.AccessibilityEvent; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Animation; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.AnimationUtils; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.LayoutAnimationController; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Transformation; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A <code>ViewGroup</code> is a special view that can contain other views 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (called children.) The view group is the base class for layouts and views 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * containers. This class also defines the 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup.LayoutParams} class which serves as the base 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * class for layouts parameters. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Also see {@link LayoutParams} for layout attributes. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 56d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * 57d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_clipChildren 58d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_clipToPadding 59d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_layoutAnimation 60d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_animationCache 61d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_persistentDrawingCache 62d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_alwaysDrawnWithCache 63d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_addStatesFromChildren 64d6a463a9f23b3901bf729f2f27a6bb8f78b95248Romain Guy * @attr ref android.R.styleable#ViewGroup_descendantFocusability 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class ViewGroup extends View implements ViewParent, ViewManager { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean DBG = false; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views which have been hidden or removed which need to be animated on 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their way out. 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ArrayList<View> mDisappearingChildren; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Listener used to propagate events indicating when children are added 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and/or removed from a view group. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected OnHierarchyChangeListener mOnHierarchyChangeListener; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The view contained within this ViewGroup that has or contains focus. 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mFocused; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The current transformation to apply on the child being drawn 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Transformation mChildTransformation; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mInvalidateRegion; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Target of Motion events 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mMotionTarget; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Rect mTempRect = new Rect(); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout animation 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutAnimationController mLayoutAnimationController; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Animation.AnimationListener mAnimationListener; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal flags. 1028506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mGroupFlags; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup invalidates only the child's rectangle 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_CHILDREN = 0x1; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup excludes the padding area from the invalidate rectangle 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_TO_PADDING = 0x2; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will invoke invalidate(); this is set by drawChild() when 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // a child needs to be invalidated and FLAG_OPTIMIZE_INVALIDATE is set 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_INVALIDATE_REQUIRED = 0x4; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will run the layout animation and unset the flag 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_RUN_ANIMATION = 0x8; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, there is either no layout animation on the ViewGroup or the layout 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // animation is over 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_DONE = 0x10; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If set, this ViewGroup has padding; if unset there is no padding and we don't need 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to clip it, even if FLAG_CLIP_TO_PADDING is set 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_PADDING_NOT_NULL = 0x20; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup caches its children in a Bitmap before starting a layout animation 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_CACHE = 0x40; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup converts calls to invalidate(Rect) to invalidate() during a 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // layout animation; this avoid clobbering the hierarchy 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Automatically set when the layout animation starts, depending on the animation's 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // characteristics 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_OPTIMIZE_INVALIDATE = 0x80; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, the next call to drawChild() will clear mChildTransformation's matrix 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLEAR_TRANSFORMATION = 0x100; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup invokes mAnimationListener.onAnimationEnd() and removes 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the children's Bitmap caches if necessary 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This flag is set when the layout animation is over (after FLAG_ANIMATION_DONE is set) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_ANIMATION_LISTENER = 0x200; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, the drawing method will call {@link #getChildDrawingOrder(int, int)} 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to get the index of the child to draw for that iteration. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_USE_CHILD_DRAWING_ORDER = 0x400; 1558506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup supports static transformations on children; this causes 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this flags in {@link #mGroupFlags}. 1648506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_SUPPORT_STATIC_TRANSFORMATIONS = 0x800; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When the previous drawChild() invocation used an alpha value that was lower than 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1.0 and set it in mCachePaint 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALPHA_LOWER_THAN_ONE = 0x1000; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup's drawable states also include those 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its children. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ADD_STATES_FROM_CHILDREN = 0x2000; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup tries to always draw its children using their drawing cache. 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALWAYS_DRAWN_WITH_CACHE = 0x4000; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, and if FLAG_ALWAYS_DRAWN_WITH_CACHE is not set, this ViewGroup will try to 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * draw its children with their drawing cache. 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CHILDREN_DRAWN_WITH_CACHE = 0x8000; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this group will go through its list of children to notify them of 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * any drawable state change. 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE = 0x10000; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_MASK_FOCUSABILITY = 0x60000; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus before any of its descendants. 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BEFORE_DESCENDANTS = 0x20000; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus only if none of its descendants want it. 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_AFTER_DESCENDANTS = 0x40000; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will block any of its descendants from getting focus, even 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they are focusable. 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BLOCK_DESCENDANTS = 0x60000; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to map between enum in attrubutes and flag values. 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int[] DESCENDANT_FOCUSABILITY_FLAGS = 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_BLOCK_DESCENDANTS}; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup should not intercept touch events. 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_DISALLOW_INTERCEPT = 0x80000; 2258506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates which types of drawing caches are to be kept in memory. 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mPersistentDrawingCache; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that no drawing cache should be kept in memory. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_NO_CACHE = 0x0; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the animation drawing cache should be kept in memory. 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ANIMATION_CACHE = 0x1; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the scrolling drawing cache should be kept in memory. 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_SCROLLING_CACHE = 0x2; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that all drawing caches should be kept in memory. 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ALL_CACHES = 0x3; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We clip to padding when FLAG_CLIP_TO_PADDING and FLAG_PADDING_NOT_NULL 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are set at the same time. 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int CLIP_TO_PADDING_MASK = FLAG_CLIP_TO_PADDING | FLAG_PADDING_NOT_NULL; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's left position in the mLocation array 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_LEFT_INDEX = 0; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's top position in the mLocation array 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_TOP_INDEX = 1; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child views of this ViewGroup 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mChildren; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Number of valid children in the mChildren array, the rest should be null or not 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // considered as children 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChildrenCount; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_INITIAL_CAPACITY = 12; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_CAPACITY_INCREMENT = 12; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used to draw cached views 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Paint mCachePaint = new Paint(); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs) { 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs, int defStyle) { 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initViewGroup() { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ViewGroup doesn't draw by default 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFlags(WILL_NOT_DRAW, DRAW_MASK); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_CHILDREN; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_TO_PADDING; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_CACHE; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALWAYS_DRAWN_WITH_CACHE; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_BEFORE_DESCENDANTS); 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[ARRAY_INITIAL_CAPACITY]; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCachePaint.setDither(false); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = PERSISTENT_SCROLLING_CACHE; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initFromAttributes(Context context, AttributeSet attrs) { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = a.getIndexCount(); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < N; i++) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int attr = a.getIndex(i); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (attr) { 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipChildren: 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipChildren(a.getBoolean(attr, true)); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipToPadding: 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipToPadding(a.getBoolean(attr, true)); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_animationCache: 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimationCacheEnabled(a.getBoolean(attr, true)); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_persistentDrawingCache: 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPersistentDrawingCache(a.getInt(attr, PERSISTENT_SCROLLING_CACHE)); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_addStatesFromChildren: 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAddStatesFromChildren(a.getBoolean(attr, false)); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_alwaysDrawnWithCache: 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAlwaysDrawnWithCacheEnabled(a.getBoolean(attr, true)); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_layoutAnimation: 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int id = a.getResourceId(attr, -1); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id > 0) { 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLayoutAnimation(AnimationUtils.loadLayoutAnimation(mContext, id)); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_descendantFocusability: 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(DESCENDANT_FOCUSABILITY_FLAGS[a.getInt(attr, 0)]); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the descendant focusability of this view group. The descendant 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focusability defines the relationship between this view group and its 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendants when looking for a view to take focus in 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #requestFocus(int, android.graphics.Rect)}. 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BEFORE_DESCENDANTS, to = "FOCUS_BEFORE_DESCENDANTS"), 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_AFTER_DESCENDANTS, to = "FOCUS_AFTER_DESCENDANTS"), 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BLOCK_DESCENDANTS, to = "FOCUS_BLOCK_DESCENDANTS") 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getDescendantFocusability() { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mGroupFlags & FLAG_MASK_FOCUSABILITY; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the descendant focusability of this view group. This defines the relationship 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * between this view group and its descendants when looking for a view to 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take focus in {@link #requestFocus(int, android.graphics.Rect)}. 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focusability one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDescendantFocusability(int focusability) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (focusability) { 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("must be one of FOCUS_BEFORE_DESCENDANTS, " 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS"); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_MASK_FOCUSABILITY; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= (focusability & FLAG_MASK_FOCUSABILITY); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void handleFocusGainInternal(int direction, Rect previouslyFocusedRect) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.handleFocusGainInternal(direction, previouslyFocusedRect); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestChildFocus(View child, View focused) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " requestChildFocus()"); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getDescendantFocusability() == FOCUS_BLOCK_DESCENDANTS) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Unfocus us, if necessary 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We had a previous notion of who had focus. Clear it. 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != child) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = child; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestChildFocus(this, focused); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void focusableViewAvailable(View v) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we block our descendants from 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // getting focus 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (getDescendantFocusability() != FOCUS_BLOCK_DESCENDANTS) 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we already are focused 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (and we don't prefer our descendants) 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // note: knowing that mFocused is non-null is not a good enough reason 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to break the traversal since in that case we'd actually have to find 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused view and make sure it wasn't FOCUS_AFTER_DESCENDANTS and 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an ancestor of v; this will get checked for at ViewRoot 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && !(isFocused() && getDescendantFocusability() != FOCUS_AFTER_DESCENDANTS)) { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.focusableViewAvailable(v); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent != null && mParent.showContextMenuForChild(originalView); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the nearest view in the specified direction that wants to take 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focused The view that currently has focus 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FOCUS_RIGHT, or 0 for not applicable. 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View focusSearch(View focused, int direction) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isRootNamespace()) { 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // root namespace means we should consider ourselves the top of the 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tree for focus searching; otherwise we could be focus searching 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into other tabs. see LocalActivityManager and TabHost for more info 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return FocusFinder.getInstance().findNextFocus(this, focused, direction); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mParent != null) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent.focusSearch(focused, direction); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused != null && 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.dispatchUnhandledMove(focused, direction); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearChildFocus(View child) { 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " clearChildFocus()"); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.clearChildFocus(this); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearFocus() { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.clearFocus(); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear any child focus if it exists 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.clearFocus(); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void unFocus() { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " unFocus()"); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the focused child of this view, if any. The child may have focus 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or contain focus. 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the focused child or null. 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getFocusedChild() { 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if this view has or contains focus 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if this view has or contains focus 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocus() { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mPrivateFlags & FOCUSED) != 0 || mFocused != null; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (non-Javadoc) 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#findFocus() 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View findFocus() { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("Find focus in " + this + ": flags=" 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + isFocused() + ", child=" + mFocused); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocused()) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.findFocus(); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocusable() { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mViewFlags & VISIBILITY_MASK) != VISIBLE) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocusable()) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocusable()) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addFocusables(ArrayList<View> views, int direction) { 61475986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov addFocusables(views, direction, FOCUSABLES_TOUCH_MODE); 61575986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 61675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 61775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov /** 61875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov * {@inheritDoc} 61975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov */ 62075986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov @Override 62175986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int focusableCount = views.size(); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 63375986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov child.addFocusables(views, direction, focusableMode); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we add ourselves (if focusable) in all cases except for when we are 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FOCUS_AFTER_DESCENDANTS and there are some descendants focusable. this is 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to avoid the focus search finding layouts when a more precise search 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // among the focusable children would be more interesting. 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendantFocusability != FOCUS_AFTER_DESCENDANTS || 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No focusable descendants 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (focusableCount == views.size())) { 64675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov super.addFocusables(views, direction, focusableMode); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowFocusChanged(hasFocus); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowFocusChanged(hasFocus); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.addTouchables(views); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowVisibilityChanged(int visibility) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowVisibilityChanged(visibility); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowVisibilityChanged(visibility); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void recomputeViewAttributes(View child) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = mParent; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parent != null) parent.recomputeViewAttributes(this); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7018506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchCollectViewAttributes(int visibility) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags&VISIBILITY_MASK; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchCollectViewAttributes(visibility); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchCollectViewAttributes(visibility); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void bringChildToFront(View child) { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = indexOfChild(child); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, mChildrenCount); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEventPreIme(KeyEvent event) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEventPreIme(event); 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEventPreIme(event); 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEvent(event); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEvent(event); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyShortcutEvent(KeyEvent event) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyShortcutEvent(event); 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyShortcutEvent(event); 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTrackballEvent(MotionEvent event) { 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTrackballEvent(event); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchTrackballEvent(event); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTouchEvent(MotionEvent ev) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xf = ev.getX(); 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yf = ev.getY(); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledXFloat = xf + mScrollX; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledYFloat = yf + mScrollY; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect frame = mTempRect; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean disallowIntercept = (mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (action == MotionEvent.ACTION_DOWN) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this is weird, we got a pen down, but we thought it was 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already down! 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX: We should probably send an ACTION_UP to the current 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target. 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we're disallowing intercept or if we're allowing and we didn't 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // intercept 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept || !onInterceptTouchEvent(ev)) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reset this event's action (just to protect ourselves) 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_DOWN); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We know we want to dispatch the event down, find a child 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // who can handle it, start with the front-most child. 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledXInt = (int) scrolledXFloat; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledYInt = (int) scrolledYFloat; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || child.getAnimation() != null) { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(scrolledXInt, scrolledYInt)) { 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // offset the event to the view's coordinate system 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - child.mLeft; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - child.mTop; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.dispatchTouchEvent(ev)) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Event handled, we have a target now. 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = child; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event didn't get handled, try the next view. 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reset the event's location, it's not 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // necessary here. 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8338506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isUpOrCancel = (action == MotionEvent.ACTION_UP) || 8358506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy (action == MotionEvent.ACTION_CANCEL); 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note, we've already copied the previous state to our local 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // variable, so this takes effect on the next event 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8428506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event wasn't an ACTION_DOWN, dispatch it to our target if 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have one. 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View target = mMotionTarget; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == null) { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We don't have a target, this means we're handling the 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event as a regular view. 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xf, yf); 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTouchEvent(ev); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if have a target, see if we're allowed to and want to intercept its 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // events 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!disallowIntercept && onInterceptTouchEvent(ev)) { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_CANCEL); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!target.dispatchTouchEvent(ev)) { 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target didn't handle ACTION_CANCEL. not much we can do 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // but they should have. 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear the target 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch this event to our own view, because we already 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // saw it when intercepting; we just want to give the following 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event to the normal onTouchEvent(). 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // finally offset the event to the target's coordinate system and 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatch the event. 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return target.dispatchTouchEvent(ev); 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 8898506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept == ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0)) { 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're already in this state, assume our ancestors are too 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8948506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept) { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_DISALLOW_INTERCEPT; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9008506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pass it up to our parent 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestDisallowInterceptTouchEvent(disallowIntercept); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement this method to intercept all touch screen motion events. This 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows you to watch events as they are dispatched to your children, and 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take ownership of the current gesture at any point. 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Using this function takes some care, as it has a fairly complicated 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interaction with {@link View#onTouchEvent(MotionEvent) 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View.onTouchEvent(MotionEvent)}, and using it requires implementing 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that method as well as this one in the correct way. Events will be 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * received in the following order: 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ol> 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> You will receive the down event here. 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> The down event will be handled either by a child of this view 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or given to your own onTouchEvent() method to handle; this means 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you should implement onTouchEvent() to return true, so you will 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * continue to see the rest of the gesture (instead of looking for 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a parent view to handle it). Also, by returning true from 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * onTouchEvent(), you will not receive any following 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events in onInterceptTouchEvent() and all touch processing must 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen in onTouchEvent() like normal. 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> For as long as you return false from this function, each following 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * event (up to and including the final up) will be delivered first here 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and then to the target's onTouchEvent(). 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> If you return true from here, you will not receive any 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * following events: the target view will receive the same event but 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the action {@link MotionEvent#ACTION_CANCEL}, and all further 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events will be delivered to your onTouchEvent() method and no longer 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear here. 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ol> 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ev The motion event being dispatched down the hierarchy. 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Return true to steal motion events from the children and have 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * them dispatched to this ViewGroup through onTouchEvent(). 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The current target will receive an ACTION_CANCEL event, and no further 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * messages will be delivered here. 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Looks for a view to give focus to respecting the setting specified by 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDescendantFocusability()}. 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Uses {@link #onRequestFocusInDescendants(int, android.graphics.Rect)} to 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * find focus within the children of this group when appropriate. 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BEFORE_DESCENDANTS 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_AFTER_DESCENDANTS 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BLOCK_DESCENDANTS 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRequestFocusInDescendants 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestFocus(int direction, Rect previouslyFocusedRect) { 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " ViewGroup.requestFocus direction=" 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + direction); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int descendantFocusability = getDescendantFocusability(); 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (descendantFocusability) { 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.requestFocus(direction, previouslyFocusedRect); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = super.requestFocus(direction, previouslyFocusedRect); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : onRequestFocusInDescendants(direction, previouslyFocusedRect); 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: { 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = onRequestFocusInDescendants(direction, previouslyFocusedRect); 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : super.requestFocus(direction, previouslyFocusedRect); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("descendant focusability must be " 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "one of FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS " 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "but is " + descendantFocusability); 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Look for a descendant to call {@link View#requestFocus} on. 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link ViewGroup#requestFocus(int, android.graphics.Rect)} 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it wants to request focus within its children. Override this to 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * customize how your {@link ViewGroup} requests focus within its children. 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and FOCUS_RIGHT 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param previouslyFocusedRect The rectangle (in this View's coordinate system) 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to give a finer grained hint about where focus is coming from. May be null 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if there is no hint. 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether focus was taken. 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings({"ConstantConditions"}) 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect previouslyFocusedRect) { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int increment; 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end; 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((direction & FOCUS_FORWARD) != 0) { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = 1; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = count; 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count - 1; 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = -1; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = -1; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = index; i != end; i += increment) { 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = children[i]; 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.requestFocus(direction, previouslyFocusedRect)) { 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchAttachedToWindow(AttachInfo info, int visibility) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchAttachedToWindow(info, visibility); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags & VISIBILITY_MASK; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchAttachedToWindow(info, visibility); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 104175986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov @Override 104275986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 104375986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov boolean populated = false; 104475986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov for (int i = 0, count = getChildCount(); i < count; i++) { 104575986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov populated |= getChildAt(i).dispatchPopulateAccessibilityEvent(event); 104675986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 104775986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov return populated; 104875986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov } 104975986cf9bc57ef11ad70f36fb77fbbf5d63af6ecsvetoslavganov 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchDetachedFromWindow() { 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we still have a motion target, we are still in the process of 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatching motion events to a child; we need to get rid of that 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // child to avoid dispatching events to it after the window is torn 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // down. To make sure we keep the child in a consistent state, we 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // first send it an ACTION_CANCEL motion event. 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long now = SystemClock.uptimeMillis(); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MotionEvent event = MotionEvent.obtain(now, now, 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent.ACTION_CANCEL, 0.0f, 0.0f, 0); 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget.dispatchTouchEvent(event); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event.recycle(); 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchDetachedFromWindow(); 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDetachedFromWindow(); 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPadding(int left, int top, int right, int bottom) { 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setPadding(left, top, right, bottom); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPaddingLeft | mPaddingTop | mPaddingRight | mPaddingRight) != 0) { 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_PADDING_NOT_NULL; 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_PADDING_NOT_NULL; 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSaveInstanceState(SparseArray<Parcelable> container) { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchSaveInstanceState(container); 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #saveHierarchyState freeze()} to only this view, 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchSaveInstanceState dispatchFreeze()} to allow subclasses to freeze 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchFreezeSelfOnly(SparseArray<Parcelable> container) { 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) { 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchRestoreInstanceState(container); 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #restoreHierarchyState thaw()} to only this view, 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchRestoreInstanceState dispatchThaw()} to allow subclasses to thaw 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchThawSelfOnly(SparseArray<Parcelable> container) { 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the drawing cache for each child of this view group. 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the cache, false to dispose of it 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled || (mPersistentDrawingCache & PERSISTENT_ALL_CACHES) != PERSISTENT_ALL_CACHES) { 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setDrawingCacheEnabled(enabled); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationStart() { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationStart(); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation starts, build the cache for the children 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 1169fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy child.buildDrawingCache(true); 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationEnd() { 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationEnd(); 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation ends, destroy the cache of the children 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flags = mGroupFlags; 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_RUN_ANIMATION) != 0 && canAnimate()) { 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean cache = (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = child.getLayoutParams(); 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attachLayoutAnimationParameters(child, params, i, count); 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindLayoutAnimation(child); 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 1211fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy child.buildDrawingCache(true); 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutAnimationController controller = mLayoutAnimationController; 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (controller.willOverlap()) { 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_OPTIMIZE_INVALIDATE; 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project controller.start(); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_RUN_ANIMATION; 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ANIMATION_DONE; 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationStart(controller.getAnimation()); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (flags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 12398f2d94fd77836dac14319735e40f46b18b04216dRomain Guy canvas.clipRect(mScrollX + mPaddingLeft, mScrollY + mPaddingTop, 12408f2d94fd77836dac14319735e40f46b18b04216dRomain Guy mScrollX + mRight - mLeft - mPaddingRight, 12418f2d94fd77836dac14319735e40f46b18b04216dRomain Guy mScrollY + mBottom - mTop - mPaddingBottom); 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We will draw our child's animation, let's reset the flag 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAW_ANIMATION; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_INVALIDATE_REQUIRED; 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long drawingTime = getDrawingTime(); 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_USE_CHILD_DRAWING_ORDER) == 0) { 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[getChildDrawingOrder(count, i)]; 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw any disappearing views that have animations 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int disappearingCount = disappearingChildren.size() - 1; 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Go backwards -- we may delete as animations finish 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = disappearingCount; i >= 0; i--) { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = disappearingChildren.get(i); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mGroupFlags might have been updated by drawChild() 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = mGroupFlags; 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_INVALIDATE_REQUIRED) == FLAG_INVALIDATE_REQUIRED) { 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_ANIMATION_DONE) == 0 && (flags & FLAG_NOTIFY_ANIMATION_LISTENER) == 0 && 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController.isDone() && !more) { 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We want to erase the drawing cache and notify the listener after the 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next frame is drawn because one extra invalidate() is caused by 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // drawChild() after the animation is over 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_ANIMATION_LISTENER; 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyAnimationListener(); 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13048506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the index of the child to draw for this iteration. Override this 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you want to change the drawing order of children. By default, it 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns i. 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: In order for this method to be called, the 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FLAG_USE_CHILD_DRAWING_ORDER} must be set. 13128506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param i The current iteration. 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The index of the child to draw this iteration. 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getChildDrawingOrder(int childCount, int i) { 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13198506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void notifyAnimationListener() { 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_NOTIFY_ANIMATION_LISTENER; 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationEnd(mLayoutAnimationController.getAnimation()); 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw one child of this View Group. This method is responsible for getting 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas in the right state. This includes clipping, translating so 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that the child's scrolled origin is at 0, 0, and applying any animation 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformations. 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param canvas The canvas on which to draw the child 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child Who to draw 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingTime The time at which draw is occuring 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if an invalidate() was issued 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean drawChild(Canvas canvas, View child, long drawingTime) { 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cl = child.mLeft; 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ct = child.mTop; 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cr = child.mRight; 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cb = child.mBottom; 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int flags = mGroupFlags; 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLEAR_TRANSFORMATION) == FLAG_CLEAR_TRANSFORMATION) { 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation != null) { 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation.clear(); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CLEAR_TRANSFORMATION; 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Transformation transformToApply = null; 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Animation a = child.getAnimation(); 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean concatMatrix = false; 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null) { 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInvalidateRegion == null) { 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInvalidateRegion = new RectF(); 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RectF region = mInvalidateRegion; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean initialized = a.isInitialized(); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!initialized) { 13838f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.initialize(cr - cl, cb - ct, getWidth(), getHeight()); 13848f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.initializeInvalidateRegion(0, 0, cr - cl, cb - ct); 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onAnimationStart(); 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more = a.getTransformation(drawingTime, mChildTransformation); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = mChildTransformation; 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = a.willChangeTransformationMatrix(); 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (more) { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!a.willChangeBounds()) { 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) == 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_INVALIDATE_REQUIRED) == 0) { 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(cl, ct, cr, cb); 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14088f2d94fd77836dac14319735e40f46b18b04216dRomain Guy a.getInvalidateRegion(0, 0, cr - cl, cb - ct, region, transformToApply); 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 14134df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 14144df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int left = cl + (int) region.left; 14154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int top = ct + (int) region.top; 14164df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project invalidate(left, top, left + (int) region.width(), top + (int) region.height()); 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_SUPPORT_STATIC_TRANSFORMATIONS) == 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_SUPPORT_STATIC_TRANSFORMATIONS) { 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasTransform = getChildStaticTransformation(child, mChildTransformation); 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasTransform) { 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int transformType = mChildTransformation.getTransformationType(); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = transformType != Transformation.TYPE_IDENTITY ? 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation : null; 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = (transformType & Transformation.TYPE_MATRIX) != 0; 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14335bcdff45bf4ada77ae7c95f520b795876adef75cRomain Guy // Sets the flag as early as possible to allow draw() implementations 1434986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy // to call invalidate() successfully when doing animations 14355bcdff45bf4ada77ae7c95f520b795876adef75cRomain Guy child.mPrivateFlags |= DRAWN; 1436986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!concatMatrix && canvas.quickReject(cl, ct, cr, cb, Canvas.EdgeType.BW) && 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (child.mPrivateFlags & DRAW_ANIMATION) == 0) { 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.computeScroll(); 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sx = child.mScrollX; 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sy = child.mScrollY; 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14478506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy boolean scalingRequired = false; 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap cache = null; 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE || 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (flags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE) { 1451fbd8f69a84163ef1cf52b07966320caf448c2bc9Romain Guy cache = child.getDrawingCache(true); 1452cafdea61a85c8f5d0646cc9413a09346c637f43fRomain Guy if (mAttachInfo != null) scalingRequired = mAttachInfo.mScalingRequired; 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasNoCache = cache == null; 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int restoreTo = canvas.save(); 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl - sx, ct - sy); 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl, ct); 14628506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy if (scalingRequired) { 1463cafdea61a85c8f5d0646cc9413a09346c637f43fRomain Guy // mAttachInfo cannot be null, otherwise scalingRequired == false 14648506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy final float scale = 1.0f / mAttachInfo.mApplicationScale; 14658506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.scale(scale, scale); 14668506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float alpha = 1.0f; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (transformToApply != null) { 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (concatMatrix) { 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transX = 0; 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transY = 0; 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transX = -sx; 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transY = -sy; 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Undo the scroll translation, apply the transformation matrix, 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // then redo the scroll translate to get the correct result. 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(-transX, -transY); 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(transformToApply.getMatrix()); 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(transX, transY); 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha = transformToApply.getAlpha(); 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f && hasNoCache) { 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int multipliedAlpha = (int) (255 * alpha); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.onSetAlpha(multipliedAlpha)) { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct, multipliedAlpha, 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= ALPHA_SET; 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((child.mPrivateFlags & ALPHA_SET) == ALPHA_SET) { 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLIP_CHILDREN) == FLAG_CLIP_CHILDREN) { 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 15078f2d94fd77836dac14319735e40f46b18b04216dRomain Guy canvas.clipRect(sx, sy, sx + (cr - cl), sy + (cb - ct)); 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15098506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy if (!scalingRequired) { 15108506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.clipRect(0, 0, cr - cl, cb - ct); 15118506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } else { 15128506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy canvas.clipRect(0, 0, cache.getWidth(), cache.getHeight()); 15138506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy } 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fast path for layouts with no backgrounds 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) { 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.DRAW); 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15238506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy child.mPrivateFlags &= ~DIRTY_MASK; 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDraw(canvas); 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.draw(canvas); 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Paint cachePaint = mCachePaint; 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha((int) (alpha * 255)); 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALPHA_LOWER_THAN_ONE; 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_ALPHA_LOWER_THAN_ONE) == FLAG_ALPHA_LOWER_THAN_ONE) { 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha(255); 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ALPHA_LOWER_THAN_ONE; 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 153713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (Config.DEBUG && ViewDebug.profileDrawing) { 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EventLog.writeEvent(60003, hashCode()); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawBitmap(cache, 0.0f, 0.0f, cachePaint); 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(restoreTo); 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null && !more) { 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project finishAnimatingView(child, a); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to their bounds before drawing. This 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior for animations, etc. 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipChildren true to clip children to their bounds, 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false otherwise 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipChildren 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipChildren(boolean clipChildren) { 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_CHILDREN, clipChildren); 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to the padding of the ViewGroup. This 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipToPadding true to clip children to the padding of the 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, false otherwise 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipToPadding 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipToPadding(boolean clipToPadding) { 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_TO_PADDING, clipToPadding); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchSetSelected(boolean selected) { 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setSelected(selected); 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15888506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setPressed(pressed); 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is set to true, this ViewGroup supports static transformations on 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children; this causes 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this property to true. 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled True to enable static transformations on children, false otherwise. 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FLAG_SUPPORT_STATIC_TRANSFORMATIONS 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setStaticTransformationsEnabled(boolean enabled) { 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_SUPPORT_STATIC_TRANSFORMATIONS, enabled); 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16198506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * @see #setStaticTransformationsEnabled(boolean) 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean getChildStaticTransformation(View child, Transformation t) { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewTraversal(int id) { 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id == mID) { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewById(id); 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewWithTagTraversal(Object tag) { 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag != null && tag.equals(mTag)) { 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewWithTag(tag); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child) { 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1); 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index) { 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params = child.getLayoutParams(); 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateDefaultLayoutParams(); 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("generateDefaultLayoutParams() cannot return null"); 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, index, params); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with this ViewGroup's default layout parameters and the 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified width and height. 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int width, int height) { 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = generateDefaultLayoutParams(); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.width = width; 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.height = height; 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, LayoutParams params) { 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " addView"); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // addViewInner() will call child.requestLayout() when setting the new LayoutParams 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // therefore, we call requestLayout() on ourselves before, so that the child's request 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will be blocked at our level 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, false); 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateViewLayout(View view, ViewGroup.LayoutParams params) { 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Invalid LayoutParams supplied to " + this); 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mParent != this) { 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Given view not a child of " + this); 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setLayoutParams(params); 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p != null; 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the hierarchy 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within this view changed. The hierarchy changes whenever a child is added 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or removed from this view. 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnHierarchyChangeListener { 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a new child is added to a parent view. 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view in which a child was added 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the new child view added in the hierarchy 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewAdded(View parent, View child); 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a child is removed from a parent view. 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view from which the child was removed 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child removed from the hierarchy 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewRemoved(View parent, View child); 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when a child is added to or removed 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from this view. 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener the callback to invoke on hierarchy change 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) { 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener = listener; 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params) { 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addViewInLayout(child, index, params, false); 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preventRequestLayout if true, calling this method will not trigger a 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout request on child 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params, 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = null; 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, preventRequestLayout); 183924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy child.mPrivateFlags = (child.mPrivateFlags & ~DIRTY_MASK) | DRAWN; 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prevents the specified child to be laid out during the next layout pass. 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child on which to perform the cleanup 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void cleanupLayoutState(View child) { 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags &= ~View.FORCE_LAYOUT; 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addViewInner(View child, int index, LayoutParams params, 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getParent() != null) { 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("The specified child already has a parent. " + 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "You must call removeView() on the child's parent first."); 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateLayoutParams(params); 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setLayoutParams(params); 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tell our children 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.assignParent(this); 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18868506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AttachInfo ai = mAttachInfo; 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai != null) { 18898506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy boolean lastKeepOn = ai.mKeepScreenOn; 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = false; 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchAttachedToWindow(mAttachInfo, (mViewFlags&VISIBILITY_MASK)); 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai.mKeepScreenOn) { 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(true); 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = lastKeepOn; 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewAdded(this, child); 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) == DUPLICATE_PARENT_STATE) { 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE; 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addInArray(View child, int index) { 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View[] children = mChildren; 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = children.length; 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count) { 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, size); 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[mChildrenCount++] = child; 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index < count) { 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, index); 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, mChildren, index + 1, count - index); 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, children, index + 1, count - index); 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index] = child; 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount++; 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("index=" + index + " count=" + count); 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the child's mParent to null 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int index) { 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index].mParent = null; 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count - 1) { 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index >= 0 && index < count) { 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index + 1, children, index, count - index - 1); 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the children's mParent to null 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int start, int count) { 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childrenCount = mChildrenCount; 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = Math.max(0, start); 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = Math.min(childrenCount, start + count); 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start == end) { 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == childrenCount) { 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Since we're looping above, we might as well do the copy, but is arraycopy() 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // faster than the extra 2 bounds checks we would do in the loop? 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, end, children, start, childrenCount - end); 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childrenCount - (end - start); i < childrenCount; i++) { 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount -= (end - start); 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindLayoutAnimation(View child) { 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Animation a = mLayoutAnimationController.getAnimationForView(child); 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setAnimation(a); 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should override this method to set layout animation 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters on the supplied child. 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to associate with animation parameters 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the child's layout parameters which hold the animation 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child in the view group 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children in the view group 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachLayoutAnimationParameters(View child, 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params, int index, int count) { 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutAnimationController.AnimationParameters animationParams = 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters; 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animationParams == null) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams = new LayoutAnimationController.AnimationParameters(); 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters = animationParams; 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.count = count; 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.index = index; 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeView(View view) { 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a view during layout. This is useful if in your onLayout() method, 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view to remove from the group 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewInLayout(View view) { 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a range of views during layout. This is useful if in your onLayout() method, 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the index of the first view to remove from the group 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove from the group 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewsInLayout(int start, int count) { 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the view at the specified position in the group. 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position in the group of the view to remove 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewAt(int index) { 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, getChildAt(index)); 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the specified range of views from the group. 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first position in the group of the range of views to remove 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViews(int start, int count) { 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 20609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(View view) { 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = indexOfChild(view); 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, view); 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(int index, View view) { 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean clearChildFocus = false; 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == mFocused) { 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = true; 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (view.mAttachInfo != null) { 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, view); 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 20898506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus) { 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(view); 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewsInternal(int start, int count) { 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener onHierarchyChangeListener = mOnHierarchyChangeListener; 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notifyListener = onHierarchyChangeListener != null; 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = start + count; 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 21228506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notifyListener) { 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onHierarchyChangeListener.onChildViewRemoved(this, view); 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this method to remove all child views from the 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViews() { 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by a ViewGroup subclass to remove child views from itself, 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it must first know its size on screen before it can calculate how many 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child views it will render. An example is a Gallery or a ListView, which 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may "have" 50 children, but actually only render the number of children 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that can currently fit inside the object on screen. Do not call 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method unless you are extending ViewGroup and understand the 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view measuring and layout pipeline. 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViewsInLayout() { 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener listener = mOnHierarchyChangeListener; 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notify = listener != null; 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 21708506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onChildViewRemoved(this, view); 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mParent = null; 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finishes the removal of a detached view. This method will dispatch the detached from 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window event and notify the hierarchy change listener. 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to be definitely removed from the view hierarchy 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animate if true and the view has an animation, the view is placed in the 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disappearing views list, otherwise, it is detached from the window 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void removeDetachedView(View child, boolean animate) { 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == mFocused) { 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.clearFocus(); 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22158506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animate && child.getAnimation() != null) { 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(child); 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (child.mAttachInfo != null) { 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDetachedFromWindow(); 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, child); 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attaches a view to this view group. Attaching a view assigns this group as the parent, 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sets the layout parameters and puts the view in the list of children so it can be retrieved 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by calling {@link #getChildAt(int)}. 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method should be called only for view which were detached from their parent. 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to attach 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child should be attached 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters of the child 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachViewToParent(View child, int index, LayoutParams params) { 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 225324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy child.mPrivateFlags = (child.mPrivateFlags & ~DIRTY_MASK) | DRAWN; 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to detach 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(View child) { 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(indexOfChild(child)); 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child to detach 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(int index) { 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a range of view from their parent. Detaching a view should be temporary and followed 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, its 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first index of the childrend range to detach 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children to detach 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewsFromParent(int start, int count) { 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches all views from the parent. Detaching a view should be temporary and followed 23179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachAllViewsFromParent() { 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 23349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 23359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 23399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call or override this method. It is used for the implementation of 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view hierarchy. 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void invalidateChild(View child, final Rect dirty) { 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD); 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = this; 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AttachInfo attachInfo = mAttachInfo; 23549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (attachInfo != null) { 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] location = attachInfo.mInvalidateChildLocation; 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = child.mLeft; 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = child.mTop; 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child is drawing an animation, we want to copy this flag onto 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ourselves and the parent to make sure the invalidate request goes 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // through 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawAnimation = (child.mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION; 236324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 236424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Check whether the child that requests the invalidate is fully opaque 2365ec25df9fbc685be384f8dd764fa224a4d923e9d8Romain Guy final boolean isOpaque = child.isOpaque() && !drawAnimation && 2366ec25df9fbc685be384f8dd764fa224a4d923e9d8Romain Guy child.getAnimation() != null; 236724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Mark the child as dirty, using the appropriate flag 236824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // Make sure we do not set both flags at the same time 236924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy final int opaqueFlag = isOpaque ? DIRTY_OPAQUE : DIRTY; 237024443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 237224443ea3992e372e47daa50266b0f2ec38cac388Romain Guy View view = null; 237324443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (parent instanceof View) { 237424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view = (View) parent; 237524443ea3992e372e47daa50266b0f2ec38cac388Romain Guy } 237624443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 2377bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy if (drawAnimation) { 237824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (view != null) { 237924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view.mPrivateFlags |= DRAW_ANIMATION; 2380bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } else if (parent instanceof ViewRoot) { 2381bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy ((ViewRoot) parent).mIsAnimating = true; 2382bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 238424443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 238524443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // If the parent is dirty opaque or not dirty, mark it dirty with the opaque 238624443ea3992e372e47daa50266b0f2ec38cac388Romain Guy // flag coming from the child that initiated the invalidate 238724443ea3992e372e47daa50266b0f2ec38cac388Romain Guy if (view != null && (view.mPrivateFlags & DIRTY_MASK) != DIRTY) { 238824443ea3992e372e47daa50266b0f2ec38cac388Romain Guy view.mPrivateFlags = (view.mPrivateFlags & ~DIRTY_MASK) | opaqueFlag; 238924443ea3992e372e47daa50266b0f2ec38cac388Romain Guy } 239024443ea3992e372e47daa50266b0f2ec38cac388Romain Guy 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parent = parent.invalidateChildInParent(location, dirty); 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (parent != null); 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call or override this method. It is used for the implementation of 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view hierarchy. 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This implementation returns null if this ViewGroup does not have a parent, 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if this ViewGroup is already fully invalidated or if the dirty rectangle 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with this ViewGroup's bounds. 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewParent invalidateChildInParent(final int[] location, final Rect dirty) { 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD_IN_PARENT); 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & DRAWN) == DRAWN) { 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) != 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.offset(location[CHILD_LEFT_INDEX] - mScrollX, 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] - mScrollY); 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int left = mLeft; 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = mTop; 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirty.intersect(0, 0, mRight - left, mBottom - top) || 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION) { 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWING_CACHE_VALID; 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = left; 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = top; 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWN & ~DRAWING_CACHE_VALID; 24299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = mLeft; 24319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = mTop; 24329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.set(0, 0, mRight - location[CHILD_LEFT_INDEX], 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottom - location[CHILD_TOP_INDEX]); 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 24379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 24419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in a descendant's coordinate 24459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * space into our coordinate space. 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetDescendantRectToMyCoords(View descendant, Rect rect) { 24509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, true, false); 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in our coordinate space into an ancestor's 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate space. 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 24579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetRectIntoDescendantCoords(View descendant, Rect rect) { 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, false, false); 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper method that offsets a rect either from parent to descendant or 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendant to parent. 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void offsetRectBetweenParentAndChild(View descendant, Rect rect, 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean offsetFromChildToParent, boolean clipToBounds) { 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already in the same coord system :) 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendant == this) { 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent theParent = descendant.mParent; 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // search and offset up to the parent 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((theParent != null) 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent instanceof View) 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent != this)) { 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant = (View) theParent; 24999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project theParent = descendant.mParent; 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now that we are up to this view, need to offset one more time 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to get into our coordinate space 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (theParent == this) { 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 25089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("parameter must be a descendant of this view"); 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset the vertical location of all children of this view by the specified number of pixels. 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset the number of pixels to offset 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void offsetChildrenTopAndBottom(int offset) { 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = children[i]; 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mTop += offset; 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mBottom += offset; 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getChildVisibleRect(View child, Rect r, android.graphics.Point offset) { 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dx = child.mLeft - mScrollX; 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dy = child.mTop - mScrollY; 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset != null) { 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.x += dx; 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.y += dy; 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.offset(dx, dy); 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r.intersect(0, 0, mRight - mLeft, mBottom - mTop) && 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mParent == null || mParent.getChildVisibleRect(this, r, offset)); 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected abstract void onLayout(boolean changed, 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int l, int t, int r, int b); 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the view group has the ability to animate its children 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after the first layout. 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the children can be animated, false otherwise 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean canAnimate() { 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController != null; 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the layout animation. Calling this method triggers a relayout of 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view group. 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void startLayoutAnimation() { 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Schedules the layout animation to be played after the next layout pass 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this view group. This can be used to restart the layout animation 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the content of the view group changes or when the activity is 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paused and resumed. 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void scheduleLayoutAnimation() { 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the layout animation controller used to animate the group's 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children after the first layout. 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param controller the animation controller 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimation(LayoutAnimationController controller) { 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController = controller; 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the layout animation controller used to animate the group's 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the current animation controller 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController getLayoutAnimation() { 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController; 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a layout 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. By default, the drawing cache is enabled but this will prevent 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * nested layout animations from working. To nest animations, you must disable 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cache. 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAnimationCacheEnabled() { 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a layout animation. 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will prevent nested 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout animations from working. To nest animations, you must disable the 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cache. 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the animation cache, false otherwise 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAnimationCacheEnabled() 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAnimationCacheEnabled(boolean enabled) { 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ANIMATION_CACHE, enabled); 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. By default this property is enabled. 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 26519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 26539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAlwaysDrawnWithCacheEnabled() { 26549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE; 26559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. This property can be set to true when the cache rendering is 26609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * slightly different from the children's normal rendering. Renderings can be different, 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for instance, when the cache's quality is set to low. 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is disabled, the ViewGroup will use the drawing cache of its 26649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children only when asked to. It's usually the task of subclasses to tell ViewGroup 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when to start using the drawing cache and when to stop using it. 26669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param always true to always draw with the drawing cache, false otherwise 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAlwaysDrawnWithCacheEnabled() 26709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheQuality(int) 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlwaysDrawnWithCacheEnabled(boolean always) { 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ALWAYS_DRAWN_WITH_CACHE, always); 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the ViewGroup is currently drawing its children using 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their drawing cache. 26819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if children should be drawn with their cache, false otherwise 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isChildrenDrawnWithCacheEnabled() { 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE; 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tells the ViewGroup to draw its children using their drawing cache. This property 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ignored when {@link #isAlwaysDrawnWithCacheEnabled()} is true. A child's drawing cache 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be used only if it has been enabled. 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should call this method to start and stop using the drawing cache when 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they perform performance sensitive operations, like scrolling or animating. 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true if children should be drawn with their cache, false otherwise 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isChildrenDrawnWithCacheEnabled() 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CHILDREN_DRAWN_WITH_CACHE, enabled); 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setBooleanFlag(int flag, boolean value) { 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value) { 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= flag; 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~flag; 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an integer indicating what types of drawing caches are kept in memory. 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setPersistentDrawingCache(int) 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one or a combination of {@link #PERSISTENT_NO_CACHE}, 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_NO_CACHE, to = "NONE"), 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ANIMATION"), 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_SCROLLING_CACHE, to = "SCROLLING"), 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ALL") 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPersistentDrawingCache() { 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPersistentDrawingCache; 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates what types of drawing caches should be kept in memory after 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they have been created. 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistentDrawingCache() 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingCacheToKeep one or a combination of {@link #PERSISTENT_NO_CACHE}, 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPersistentDrawingCache(int drawingCacheToKeep) { 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = drawingCacheToKeep & PERSISTENT_ALL_CACHES; 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new set of layout parameters based on the supplied attributes set. 27549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the attributes to build the layout parameters from 27569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(getContext(), attrs); 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a safe set of layout parameters based on the supplied layout params. 27669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When a ViewGroup is passed a View whose layout params do not pass the test of 27679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #checkLayoutParams(android.view.ViewGroup.LayoutParams)}, this method 27689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is invoked. This method should return a new set of layout params suitable for 27699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this ViewGroup, possibly by copying the appropriate attributes from the 27709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified set of layout params. 27719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p The layout parameters to convert into a suitable set of layout parameters 27739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this ViewGroup. 27749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 27769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 27779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 27799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 27809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a set of default layout parameters. These parameters are requested 27849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the View passed to {@link #addView(View)} has no layout parameters 27859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * already set. If null is returned, an exception is thrown from addView. 27869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a set of default layout parameters or null 27889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateDefaultLayoutParams() { 27909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 27919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 279413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 279513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 279613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 279713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean dispatchConsistencyCheck(int consistency) { 279813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.dispatchConsistencyCheck(consistency); 279913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 280013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = mChildrenCount; 280113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] children = mChildren; 280213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 280313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (!children[i].dispatchConsistencyCheck(consistency)) result = false; 280413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 280513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 280613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 280713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 280813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 280913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 281013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy * @hide 281113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy */ 281213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy @Override 281313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy protected boolean onConsistencyCheck(int consistency) { 281413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy boolean result = super.onConsistencyCheck(consistency); 281513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 281613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkLayout = (consistency & ViewDebug.CONSISTENCY_LAYOUT) != 0; 281713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final boolean checkDrawing = (consistency & ViewDebug.CONSISTENCY_DRAWING) != 0; 281813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 281913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkLayout) { 282013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final int count = mChildrenCount; 282113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final View[] children = mChildren; 282213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy for (int i = 0; i < count; i++) { 282313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (children[i].getParent() != this) { 282413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 282513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy android.util.Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 282613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "View " + children[i] + " has no parent/a parent that is not " + this); 282713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 282813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 282913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 283013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 283113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (checkDrawing) { 283213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy // If this group is dirty, check that the parent is dirty as well 283313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if ((mPrivateFlags & DIRTY_MASK) != 0) { 283413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy final ViewParent parent = getParent(); 283513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if (parent != null && !(parent instanceof ViewRoot)) { 283613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy if ((((View) parent).mPrivateFlags & DIRTY_MASK) == 0) { 283713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy result = false; 283813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy android.util.Log.d(ViewDebug.CONSISTENCY_LOG_TAG, 283913922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy "ViewGroup " + this + " is dirty but its parent is not: " + this); 284013922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 284113922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 284213922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 284313922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 284413922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 284513922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy return result; 284613922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy } 284713922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy 284813922e03037d71a538f24ddf61c0b61bb4eb5af0Romain Guy /** 28499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 28509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 28529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void debug(int depth) { 28539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.debug(depth); 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String output; 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "mFocused"; 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 28629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 28639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "{"; 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = mChildren[i]; 28699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.debug(depth + 1); 28709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 28739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 28749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "}"; 28759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 28769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the position in the group of the specified child view. 28819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view for which to get the position 28839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the position of the view in the 28849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or -1 if the view does not exist in the group 28859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int indexOfChild(View child) { 28879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 28889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 28899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 28909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (children[i] == child) { 28919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 28929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 28959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of children in the group. 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the number of children in 29019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the group 29029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChildCount() { 29049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildrenCount; 29059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the view at the specified position in the group. 29099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to get the view from 29119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the view at the specified position or null if the position 29129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not exist within the group 29139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getChildAt(int index) { 29159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 29169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildren[index]; 29179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IndexOutOfBoundsException ex) { 29189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 29199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask all of the children of this view to measure themselves, taking into 29249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 29259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We skip children that are in the GONE state The heavy lifting is done in 29269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getChildMeasureSpec. 29279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec The width requirements for this view 29299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec The height requirements for this view 29309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildren(int widthMeasureSpec, int heightMeasureSpec) { 29329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = mChildrenCount; 29339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 29349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; ++i) { 29359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 29369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) != GONE) { 29379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChild(child, widthMeasureSpec, heightMeasureSpec); 29389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 29449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 29459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The heavy lifting is done in getChildMeasureSpec. 29469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 29489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 29499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 29509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChild(View child, int parentWidthMeasureSpec, 29529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec) { 29539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams lp = child.getLayoutParams(); 29549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 29569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight, lp.width); 29579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 29589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom, lp.height); 29599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 29619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 29659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding 29669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and margins. The child must have MarginLayoutParams The heavy lifting is 29679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * done in getChildMeasureSpec. 29689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 29709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 29719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthUsed Extra space that has been used up by the parent 29729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * horizontally (possibly by other children of the parent) 29739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 29749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightUsed Extra space that has been used up by the parent 29759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertically (possibly by other children of the parent) 29769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildWithMargins(View child, 29789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentWidthMeasureSpec, int widthUsed, 29799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec, int heightUsed) { 29809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams(); 29819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 29839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight + lp.leftMargin + lp.rightMargin 29849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + widthUsed, lp.width); 29859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 29869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom + lp.topMargin + lp.bottomMargin 29879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + heightUsed, lp.height); 29889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 29909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Does the hard part of measureChildren: figuring out the MeasureSpec to 29949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pass to a particular child. This method figures out the right MeasureSpec 29959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for one dimension (height or width) of one child view. 29969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The goal is to combine information from our MeasureSpec with the 29989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams of the child to get the best possible results. For example, 29999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the this view knows its size (because its MeasureSpec has a mode of 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * EXACTLY), and the child has indicated in its LayoutParams that it wants 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be the same size as the parent, the parent should ask the child to 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout given an exact size. 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param spec The requirements for this view 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param padding The padding of this view for the current dimension and 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * margins, if applicable 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childDimension How big the child wants to be in the current 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * dimension 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a MeasureSpec integer for the child 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getChildMeasureSpec(int spec, int padding, int childDimension) { 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(spec); 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(spec); 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = Math.max(0, specSize - padding); 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultSize = 0; 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultMode = 0; 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed an exact size on us 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size. So be it. 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed a maximum size on us 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... so be it 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size, but our size is not fixed. 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constrain child to not be bigger than us. 30479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 30489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 30499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 30509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 30519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 30529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 30539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent asked to see how big we want to be 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 30609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... let him have it 30619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 30629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 30639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 30649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size... find out how big it should 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size.... find out how 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // big it should be 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 30739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MeasureSpec.makeMeasureSpec(resultSize, resultMode); 30779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes any pending animations for views that have been removed. Call 30829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this if you don't want animations for exiting views to stack up. 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearDisappearingChildren() { 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 30869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDisappearingChildren.clear(); 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 * Add a view which is removed from mChildren but still needs animation 30929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v View to add 30949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addDisappearingView(View v) { 30969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> disappearingChildren = mDisappearingChildren; 30979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren == null) { 30999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren = mDisappearingChildren = new ArrayList<View>(); 31009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.add(v); 31039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cleanup a view when its animation is done. This may mean removing it from 31079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the list of disappearing views. 31089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose animation has finished 31109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation The animation, cannot be null 31119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void finishAnimatingView(final View view, Animation animation) { 31139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 31149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren != null) { 31159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren.contains(view)) { 31169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.remove(view); 31179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mAttachInfo != null) { 31199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 31209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 31239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 31249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animation != null && !animation.getFillAfter()) { 31289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 31299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((view.mPrivateFlags & ANIMATION_STARTED) == ANIMATION_STARTED) { 31329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.onAnimationEnd(); 31339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Should be performed by onAnimationEnd() but this avoid an infinite loop, 31349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // so we'd rather be safe than sorry 31359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mPrivateFlags &= ~ANIMATION_STARTED; 31369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw one more frame after the animation is done 31379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 31389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 31439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 31459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean gatherTransparentRegion(Region region) { 31469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no transparent regions requested, we are always opaque. 31479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean meOpaque = (mPrivateFlags & View.REQUEST_TRANSPARENT_REGIONS) == 0; 31489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meOpaque && region == null) { 31499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The caller doesn't care about the region, so stop now. 31509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 31519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.gatherTransparentRegion(region); 31539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean noneOfTheChildrenAreTransparent = true; 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 31579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 31589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) != GONE || child.getAnimation() != null) { 31599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.gatherTransparentRegion(region)) { 31609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project noneOfTheChildrenAreTransparent = false; 31619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return meOpaque || noneOfTheChildrenAreTransparent; 31659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestTransparentRegion(View child) { 31719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 31729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= View.REQUEST_TRANSPARENT_REGIONS; 31739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 31749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestTransparentRegion(this); 31759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31788506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 31819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean fitSystemWindows(Rect insets) { 31829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = super.fitSystemWindows(insets); 31839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done) { 31849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 31859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 31869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 31879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = children[i].fitSystemWindows(insets); 31889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (done) { 31899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 31909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return done; 31949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the animation listener to which layout animation events are 31989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sent. 31999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an {@link android.view.animation.Animation.AnimationListener} 32019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Animation.AnimationListener getLayoutAnimationListener() { 32039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationListener; 32049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 32079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 32089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 32099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE) != 0) { 32119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 32129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("addStateFromChildren cannot be enabled if a" 32139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " child has duplicateParentState set to true"); 32149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 32179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 32189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 32209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 32219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) != 0) { 32229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.refreshDrawableState(); 32239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 32299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 32309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) == 0) { 32319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 32329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int need = 0; 32359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = getChildCount(); 32369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 32379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 32389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 32409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project need += childState.length; 32419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + need); 32459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 32479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 32489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 32509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = mergeDrawableStates(state, childState); 32519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 32559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this ViewGroup's drawable states also include 32599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 32609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 32619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 32629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAddStatesFromChildren(boolean addsStates) { 32649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (addsStates) { 32659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ADD_STATES_FROM_CHILDREN; 32669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 32679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ADD_STATES_FROM_CHILDREN; 32689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 32719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether this ViewGroup's drawable states also include 32759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 32769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 32779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 32789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean addStatesFromChildren() { 32809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0; 32819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If {link #addStatesFromChildren} is true, refreshes this group's 32859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawable state (to include the states from its children). 32869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void childDrawableStateChanged(View child) { 32889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 32899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 32909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies the animation listener to which layout animation events must 32959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be sent. Only 32969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationStart(Animation)} 32979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and 32989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationEnd(Animation)} 32999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are invoked. 33009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animationListener the layout animation listener 33029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimationListener(Animation.AnimationListener animationListener) { 33049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener = animationListener; 33059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams are used by views to tell their parents how they want to be 33099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * laid out. See 33109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_Layout ViewGroup Layout Attributes} 33119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 33128506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 33139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 33149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The base LayoutParams class just describes how big the view wants to be 33159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for both width and height. For each dimension, it can specify one of: 33169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 33179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> an exact number 33189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>FILL_PARENT, which means the view wants to be as big as its parent 33199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding) 33209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> WRAP_CONTENT, which means that the view wants to be just big enough 33219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to enclose its content (plus padding) 33229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 33239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There are subclasses of LayoutParams for different subclasses of 33249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. For example, AbsoluteLayout has its own subclass of 33259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams which adds an X and Y value. 33269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_height 33289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_width 33299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams { 33319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special value for the height or width requested by a View. 33339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FILL_PARENT means that the view wants to fill the available space 33349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within the parent, taking the parent's padding into account. 33359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FILL_PARENT = -1; 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special value for the height or width requested by a View. 33409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WRAP_CONTENT means that the view wants to be just large enough to fit 33419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its own internal content, taking its own padding into account. 33429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WRAP_CONTENT = -2; 33449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information about how wide the view wants to be. Can be an exact 33479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * size, or one of the constants FILL_PARENT or WRAP_CONTENT. 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 33509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FILL_PARENT, to = "FILL_PARENT"), 33519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 33529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 33539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 33549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information about how tall the view wants to be. Can be an exact 33579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * size, or one of the constants FILL_PARENT or WRAP_CONTENT. 33589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 33609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FILL_PARENT, to = "FILL_PARENT"), 33619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 33629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 33639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to animate layouts. 33679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController.AnimationParameters layoutAnimationParameters; 33699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 33729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. The XML attributes mapped 33739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to this set of layout parameters are: 33749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 33769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_width</code>: the width, either an exact value, 33779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or {@link #FILL_PARENT}</li> 33789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_height</code>: the height, either an exact value, 33799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or {@link #FILL_PARENT}</li> 33809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 33819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 33839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 33849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 33859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 33879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_Layout); 33889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 33899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_width, 33909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_height); 33919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 33929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters with the specified width 33969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and height. 33979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width, either {@link #FILL_PARENT}, 33999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 34009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height, either {@link #FILL_PARENT}, 34019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int width, int height) { 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = width; 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = height; 34069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width and height values of the source. 34109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 34129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(LayoutParams source) { 34149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 34159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used internally by MarginLayoutParams. 34209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 34219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams() { 34239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Extracts the layout parameters from the supplied attributes. 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a the style attributes to extract the parameters from 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthAttr the identifier of the width attribute 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightAttr the identifier of the height attribute 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setBaseAttributes(TypedArray a, int widthAttr, int heightAttr) { 34339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = a.getLayoutDimension(widthAttr, "layout_width"); 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = a.getLayoutDimension(heightAttr, "layout_height"); 34359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a String representation of this set of layout parameters. 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output the String to prepend to the internal representation 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with the following format: output + 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "ViewGroup.LayoutParams={ width=WIDTH, height=HEIGHT }" 34438506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 34459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String debug(String output) { 34479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return output + "ViewGroup.LayoutParams={ width=" 34489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + sizeToString(width) + ", height=" + sizeToString(height) + " }"; 34499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts the specified size to a readable String. 34539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param size the size to convert 34559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String instance representing the supplied size 34568506ab4ac062d0e1ccde136e5e2f4081560e0c11Romain Guy * 34579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 34589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static String sizeToString(int size) { 34609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == WRAP_CONTENT) { 34619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "wrap-content"; 34629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == FILL_PARENT) { 34649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "fill-parent"; 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String.valueOf(size); 34679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Per-child layout information for layouts that support margins. 34729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 34739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_MarginLayout ViewGroup Margin Layout Attributes} 34749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 34759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class MarginLayoutParams extends ViewGroup.LayoutParams { 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The left margin in pixels of the child. 34799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 34819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int leftMargin; 34829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top margin in pixels of the child. 34859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 34879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int topMargin; 34889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The right margin in pixels of the child. 34919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 34939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int rightMargin; 34949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The bottom margin in pixels of the child. 34979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 34999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int bottomMargin; 35009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 35039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. 35049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 35069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 35079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 35089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(Context c, AttributeSet attrs) { 35109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(); 35119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_MarginLayout); 35139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 35149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_width, 35159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_height); 35169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int margin = a.getDimensionPixelSize( 35189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ViewGroup_MarginLayout_layout_margin, -1); 35199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (margin >= 0) { 35209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = margin; 35219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = margin; 35229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin= margin; 35239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = margin; 35249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 35259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = a.getDimensionPixelSize( 35269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginLeft, 0); 35279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = a.getDimensionPixelSize( 35289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginTop, 0); 35299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = a.getDimensionPixelSize( 35309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginRight, 0); 35319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = a.getDimensionPixelSize( 35329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginBottom, 0); 35339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 35369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 35409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(int width, int height) { 35429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(width, height); 35439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width, height and margin values of the source. 35479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 35499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(MarginLayoutParams source) { 35519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 35529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 35539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.leftMargin = source.leftMargin; 35559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.topMargin = source.topMargin; 35569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.rightMargin = source.rightMargin; 35579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.bottomMargin = source.bottomMargin; 35589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 35629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(LayoutParams source) { 35649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 35659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 35679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 35689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the margins, in pixels. 35699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left the left margin size 35719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top the top margin size 35729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right the right margin size 35739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom the bottom margin size 35749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginLeft 35769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginTop 35779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginRight 35789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginBottom 35799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 35809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMargins(int left, int top, int right, int bottom) { 35819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = left; 35829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = top; 35839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = right; 35849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = bottom; 35859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3588