ViewGroup.java revision 986003d46add147714ce7e16c9fefa8c18042fc8
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.Region; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.RectF; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.SparseArray; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Animation; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.AnimationUtils; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.LayoutAnimationController; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.animation.Transformation; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A <code>ViewGroup</code> is a special view that can contain other views 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (called children.) The view group is the base class for layouts and views 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * containers. This class also defines the 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.ViewGroup.LayoutParams} class which serves as the base 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * class for layouts parameters. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Also see {@link LayoutParams} for layout attributes. 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class ViewGroup extends View implements ViewParent, ViewManager { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final boolean DBG = false; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views which have been hidden or removed which need to be animated on 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their way out. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ArrayList<View> mDisappearingChildren; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Listener used to propagate events indicating when children are added 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and/or removed from a view group. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected OnHierarchyChangeListener mOnHierarchyChangeListener; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The view contained within this ViewGroup that has or contains focus. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mFocused; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The current transformation to apply on the child being drawn 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Transformation mChildTransformation; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private RectF mInvalidateRegion; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Target of Motion events 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mMotionTarget; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Rect mTempRect = new Rect(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Layout animation 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutAnimationController mLayoutAnimationController; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Animation.AnimationListener mAnimationListener; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal flags. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mGroupFlags; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup invalidates only the child's rectangle 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_CHILDREN = 0x1; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, ViewGroup excludes the padding area from the invalidate rectangle 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLIP_TO_PADDING = 0x2; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will invoke invalidate(); this is set by drawChild() when 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // a child needs to be invalidated and FLAG_OPTIMIZE_INVALIDATE is set 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_INVALIDATE_REQUIRED = 0x4; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, dispatchDraw() will run the layout animation and unset the flag 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_RUN_ANIMATION = 0x8; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, there is either no layout animation on the ViewGroup or the layout 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // animation is over 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_DONE = 0x10; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If set, this ViewGroup has padding; if unset there is no padding and we don't need 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to clip it, even if FLAG_CLIP_TO_PADDING is set 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_PADDING_NOT_NULL = 0x20; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup caches its children in a Bitmap before starting a layout animation 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set by default 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ANIMATION_CACHE = 0x40; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup converts calls to invalidate(Rect) to invalidate() during a 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // layout animation; this avoid clobbering the hierarchy 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Automatically set when the layout animation starts, depending on the animation's 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // characteristics 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_OPTIMIZE_INVALIDATE = 0x80; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, the next call to drawChild() will clear mChildTransformation's matrix 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CLEAR_TRANSFORMATION = 0x100; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When set, this ViewGroup invokes mAnimationListener.onAnimationEnd() and removes 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the children's Bitmap caches if necessary 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This flag is set when the layout animation is over (after FLAG_ANIMATION_DONE is set) 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_ANIMATION_LISTENER = 0x200; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, the drawing method will call {@link #getChildDrawingOrder(int, int)} 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to get the index of the child to draw for that iteration. 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_USE_CHILD_DRAWING_ORDER = 0x400; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup supports static transformations on children; this causes 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this flags in {@link #mGroupFlags}. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int FLAG_SUPPORT_STATIC_TRANSFORMATIONS = 0x800; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When the previous drawChild() invocation used an alpha value that was lower than 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1.0 and set it in mCachePaint 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALPHA_LOWER_THAN_ONE = 0x1000; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup's drawable states also include those 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its children. 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ADD_STATES_FROM_CHILDREN = 0x2000; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup tries to always draw its children using their drawing cache. 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_ALWAYS_DRAWN_WITH_CACHE = 0x4000; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, and if FLAG_ALWAYS_DRAWN_WITH_CACHE is not set, this ViewGroup will try to 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * draw its children with their drawing cache. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_CHILDREN_DRAWN_WITH_CACHE = 0x8000; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this group will go through its list of children to notify them of 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * any drawable state change. 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE = 0x10000; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_MASK_FOCUSABILITY = 0x60000; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus before any of its descendants. 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BEFORE_DESCENDANTS = 0x20000; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will get focus only if none of its descendants want it. 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_AFTER_DESCENDANTS = 0x40000; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This view will block any of its descendants from getting focus, even 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they are focusable. 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FOCUS_BLOCK_DESCENDANTS = 0x60000; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to map between enum in attrubutes and flag values. 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int[] DESCENDANT_FOCUSABILITY_FLAGS = 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_BLOCK_DESCENDANTS}; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When set, this ViewGroup should not intercept touch events. 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FLAG_DISALLOW_INTERCEPT = 0x80000; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates which types of drawing caches are to be kept in memory. 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mPersistentDrawingCache; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that no drawing cache should be kept in memory. 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_NO_CACHE = 0x0; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the animation drawing cache should be kept in memory. 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ANIMATION_CACHE = 0x1; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that the scrolling drawing cache should be kept in memory. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_SCROLLING_CACHE = 0x2; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to indicate that all drawing caches should be kept in memory. 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PERSISTENT_ALL_CACHES = 0x3; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We clip to padding when FLAG_CLIP_TO_PADDING and FLAG_PADDING_NOT_NULL 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are set at the same time. 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static final int CLIP_TO_PADDING_MASK = FLAG_CLIP_TO_PADDING | FLAG_PADDING_NOT_NULL; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's left position in the mLocation array 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_LEFT_INDEX = 0; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Index of the child's top position in the mLocation array 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int CHILD_TOP_INDEX = 1; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child views of this ViewGroup 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View[] mChildren; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Number of valid children in the mChildren array, the rest should be null or not 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // considered as children 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChildrenCount; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_INITIAL_CAPACITY = 12; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ARRAY_CAPACITY_INCREMENT = 12; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used to draw cached views 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Paint mCachePaint = new Paint(); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context) { 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs) { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewGroup(Context context, AttributeSet attrs, int defStyle) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initViewGroup(); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromAttributes(context, attrs); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initViewGroup() { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ViewGroup doesn't draw by default 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFlags(WILL_NOT_DRAW, DRAW_MASK); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_CHILDREN; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLIP_TO_PADDING; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_CACHE; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALWAYS_DRAWN_WITH_CACHE; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_BEFORE_DESCENDANTS); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[ARRAY_INITIAL_CAPACITY]; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCachePaint.setDither(false); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = PERSISTENT_SCROLLING_CACHE; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initFromAttributes(Context context, AttributeSet attrs) { 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = a.getIndexCount(); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < N; i++) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int attr = a.getIndex(i); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (attr) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipChildren: 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipChildren(a.getBoolean(attr, true)); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_clipToPadding: 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setClipToPadding(a.getBoolean(attr, true)); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_animationCache: 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAnimationCacheEnabled(a.getBoolean(attr, true)); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_persistentDrawingCache: 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPersistentDrawingCache(a.getInt(attr, PERSISTENT_SCROLLING_CACHE)); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_addStatesFromChildren: 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAddStatesFromChildren(a.getBoolean(attr, false)); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_alwaysDrawnWithCache: 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setAlwaysDrawnWithCacheEnabled(a.getBoolean(attr, true)); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_layoutAnimation: 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int id = a.getResourceId(attr, -1); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id > 0) { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLayoutAnimation(AnimationUtils.loadLayoutAnimation(mContext, id)); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case R.styleable.ViewGroup_descendantFocusability: 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(DESCENDANT_FOCUSABILITY_FLAGS[a.getInt(attr, 0)]); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the descendant focusability of this view group. The descendant 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focusability defines the relationship between this view group and its 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendants when looking for a view to take focus in 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #requestFocus(int, android.graphics.Rect)}. 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BEFORE_DESCENDANTS, to = "FOCUS_BEFORE_DESCENDANTS"), 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_AFTER_DESCENDANTS, to = "FOCUS_AFTER_DESCENDANTS"), 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FOCUS_BLOCK_DESCENDANTS, to = "FOCUS_BLOCK_DESCENDANTS") 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getDescendantFocusability() { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mGroupFlags & FLAG_MASK_FOCUSABILITY; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the descendant focusability of this view group. This defines the relationship 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * between this view group and its descendants when looking for a view to 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take focus in {@link #requestFocus(int, android.graphics.Rect)}. 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focusability one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS}, 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FOCUS_BLOCK_DESCENDANTS}. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDescendantFocusability(int focusability) { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (focusability) { 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("must be one of FOCUS_BEFORE_DESCENDANTS, " 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS"); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_MASK_FOCUSABILITY; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= (focusability & FLAG_MASK_FOCUSABILITY); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void handleFocusGainInternal(int direction, Rect previouslyFocusedRect) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.handleFocusGainInternal(direction, previouslyFocusedRect); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestChildFocus(View child, View focused) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " requestChildFocus()"); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getDescendantFocusability() == FOCUS_BLOCK_DESCENDANTS) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Unfocus us, if necessary 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We had a previous notion of who had focus. Clear it. 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != child) { 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = child; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestChildFocus(this, focused); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void focusableViewAvailable(View v) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we block our descendants from 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // getting focus 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (getDescendantFocusability() != FOCUS_BLOCK_DESCENDANTS) 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // shortcut: don't report a new focusable view if we already are focused 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (and we don't prefer our descendants) 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // note: knowing that mFocused is non-null is not a good enough reason 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to break the traversal since in that case we'd actually have to find 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the focused view and make sure it wasn't FOCUS_AFTER_DESCENDANTS and 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an ancestor of v; this will get checked for at ViewRoot 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && !(isFocused() && getDescendantFocusability() != FOCUS_AFTER_DESCENDANTS)) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.focusableViewAvailable(v); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean showContextMenuForChild(View originalView) { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent != null && mParent.showContextMenuForChild(originalView); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Find the nearest view in the specified direction that wants to take 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * focus. 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param focused The view that currently has focus 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FOCUS_RIGHT, or 0 for not applicable. 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View focusSearch(View focused, int direction) { 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isRootNamespace()) { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // root namespace means we should consider ourselves the top of the 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tree for focus searching; otherwise we could be focus searching 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // into other tabs. see LocalActivityManager and TabHost for more info 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return FocusFinder.getInstance().findNextFocus(this, focused, direction); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mParent != null) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent.focusSearch(focused, direction); 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused != null && 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.dispatchUnhandledMove(focused, direction); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearChildFocus(View child) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " clearChildFocus()"); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.clearChildFocus(this); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearFocus() { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.clearFocus(); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear any child focus if it exists 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.clearFocus(); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void unFocus() { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " unFocus()"); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.unFocus(); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused.unFocus(); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFocused = null; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the focused child of this view, if any. The child may have focus 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or contain focus. 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the focused child or null. 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getFocusedChild() { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns true if this view has or contains focus 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if this view has or contains focus 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocus() { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mPrivateFlags & FOCUSED) != 0 || mFocused != null; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (non-Javadoc) 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.view.View#findFocus() 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View findFocus() { 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("Find focus in " + this + ": flags=" 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + isFocused() + ", child=" + mFocused); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocused()) { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.findFocus(); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasFocusable() { 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mViewFlags & VISIBILITY_MASK) != VISIBLE) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isFocusable()) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocusable()) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addFocusables(ArrayList<View> views, int direction) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int focusableCount = views.size(); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int descendantFocusability = getDescendantFocusability(); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendantFocusability != FOCUS_BLOCK_DESCENDANTS) { 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addFocusables(views, direction); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we add ourselves (if focusable) in all cases except for when we are 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // FOCUS_AFTER_DESCENDANTS and there are some descendants focusable. this is 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to avoid the focus search finding layouts when a more precise search 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // among the focusable children would be more interesting. 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendantFocusability != FOCUS_AFTER_DESCENDANTS || 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No focusable descendants 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (focusableCount == views.size())) { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.addFocusables(views, direction); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowFocusChanged(hasFocus); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowFocusChanged(hasFocus); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTouchables(ArrayList<View> views) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.addTouchables(views); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.addTouchables(views); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowVisibilityChanged(int visibility) { 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchWindowVisibilityChanged(visibility); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchWindowVisibilityChanged(visibility); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void recomputeViewAttributes(View child) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = mParent; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parent != null) parent.recomputeViewAttributes(this); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchCollectViewAttributes(int visibility) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags&VISIBILITY_MASK; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchCollectViewAttributes(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].dispatchCollectViewAttributes(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 bringChildToFront(View child) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = indexOfChild(child); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, mChildrenCount); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEventPreIme(KeyEvent event) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEventPreIme(event); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEventPreIme(event); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyEvent(event); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyEvent(event); 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyShortcutEvent(KeyEvent event) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchKeyShortcutEvent(event); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchKeyShortcutEvent(event); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTrackballEvent(MotionEvent event) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & (FOCUSED | HAS_BOUNDS)) == (FOCUSED | HAS_BOUNDS)) { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTrackballEvent(event); 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFocused != null && (mFocused.mPrivateFlags & HAS_BOUNDS) == HAS_BOUNDS) { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFocused.dispatchTrackballEvent(event); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchTouchEvent(MotionEvent ev) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int action = ev.getAction(); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xf = ev.getX(); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yf = ev.getY(); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledXFloat = xf + mScrollX; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float scrolledYFloat = yf + mScrollY; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect frame = mTempRect; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean disallowIntercept = (mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (action == MotionEvent.ACTION_DOWN) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this is weird, we got a pen down, but we thought it was 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already down! 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX: We should probably send an ACTION_UP to the current 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target. 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we're disallowing intercept or if we're allowing and we didn't 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // intercept 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept || !onInterceptTouchEvent(ev)) { 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reset this event's action (just to protect ourselves) 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_DOWN); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We know we want to dispatch the event down, find a child 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // who can handle it, start with the front-most child. 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledXInt = (int) scrolledXFloat; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrolledYInt = (int) scrolledYFloat; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || child.getAnimation() != null) { 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(scrolledXInt, scrolledYInt)) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // offset the event to the view's coordinate system 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - child.mLeft; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - child.mTop; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.dispatchTouchEvent(ev)) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Event handled, we have a target now. 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = child; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event didn't get handled, try the next view. 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't reset the event's location, it's not 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // necessary here. 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean isUpOrCancel = (action == MotionEvent.ACTION_UP) || 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (action == MotionEvent.ACTION_CANCEL); 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note, we've already copied the previous state to our local 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // variable, so this takes effect on the next event 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The event wasn't an ACTION_DOWN, dispatch it to our target if 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have one. 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View target = mMotionTarget; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == null) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We don't have a target, this means we're handling the 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event as a regular view. 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xf, yf); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchTouchEvent(ev); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if have a target, see if we're allowed to and want to intercept its 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // events 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!disallowIntercept && onInterceptTouchEvent(ev)) { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setAction(MotionEvent.ACTION_CANCEL); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!target.dispatchTouchEvent(ev)) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // target didn't handle ACTION_CANCEL. not much we can do 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // but they should have. 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear the target 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't dispatch this event to our own view, because we already 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // saw it when intercepting; we just want to give the following 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // event to the normal onTouchEvent(). 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isUpOrCancel) { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // finally offset the event to the target's coordinate system and 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatch the event. 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float xc = scrolledXFloat - (float) target.mLeft; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float yc = scrolledYFloat - (float) target.mTop; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ev.setLocation(xc, yc); 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return target.dispatchTouchEvent(ev); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept == ((mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0)) { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're already in this state, assume our ancestors are too 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disallowIntercept) { 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_DISALLOW_INTERCEPT; 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_DISALLOW_INTERCEPT; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Pass it up to our parent 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestDisallowInterceptTouchEvent(disallowIntercept); 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement this method to intercept all touch screen motion events. This 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows you to watch events as they are dispatched to your children, and 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * take ownership of the current gesture at any point. 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Using this function takes some care, as it has a fairly complicated 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interaction with {@link View#onTouchEvent(MotionEvent) 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * View.onTouchEvent(MotionEvent)}, and using it requires implementing 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that method as well as this one in the correct way. Events will be 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * received in the following order: 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ol> 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> You will receive the down event here. 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> The down event will be handled either by a child of this view 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or given to your own onTouchEvent() method to handle; this means 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you should implement onTouchEvent() to return true, so you will 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * continue to see the rest of the gesture (instead of looking for 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a parent view to handle it). Also, by returning true from 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * onTouchEvent(), you will not receive any following 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events in onInterceptTouchEvent() and all touch processing must 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happen in onTouchEvent() like normal. 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> For as long as you return false from this function, each following 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * event (up to and including the final up) will be delivered first here 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and then to the target's onTouchEvent(). 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> If you return true from here, you will not receive any 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * following events: the target view will receive the same event but 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the action {@link MotionEvent#ACTION_CANCEL}, and all further 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events will be delivered to your onTouchEvent() method and no longer 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear here. 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ol> 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param ev The motion event being dispatched down the hierarchy. 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Return true to steal motion events from the children and have 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * them dispatched to this ViewGroup through onTouchEvent(). 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The current target will receive an ACTION_CANCEL event, and no further 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * messages will be delivered here. 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Looks for a view to give focus to respecting the setting specified by 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getDescendantFocusability()}. 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Uses {@link #onRequestFocusInDescendants(int, android.graphics.Rect)} to 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * find focus within the children of this group when appropriate. 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BEFORE_DESCENDANTS 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_AFTER_DESCENDANTS 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FOCUS_BLOCK_DESCENDANTS 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRequestFocusInDescendants 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requestFocus(int direction, Rect previouslyFocusedRect) { 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " ViewGroup.requestFocus direction=" 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + direction); 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int descendantFocusability = getDescendantFocusability(); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (descendantFocusability) { 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BLOCK_DESCENDANTS: 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.requestFocus(direction, previouslyFocusedRect); 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_BEFORE_DESCENDANTS: { 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = super.requestFocus(direction, previouslyFocusedRect); 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : onRequestFocusInDescendants(direction, previouslyFocusedRect); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FOCUS_AFTER_DESCENDANTS: { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean took = onRequestFocusInDescendants(direction, previouslyFocusedRect); 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return took ? took : super.requestFocus(direction, previouslyFocusedRect); 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("descendant focusability must be " 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "one of FOCUS_BEFORE_DESCENDANTS, FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS " 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "but is " + descendantFocusability); 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Look for a descendant to call {@link View#requestFocus} on. 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link ViewGroup#requestFocus(int, android.graphics.Rect)} 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it wants to request focus within its children. Override this to 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * customize how your {@link ViewGroup} requests focus within its children. 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param direction One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and FOCUS_RIGHT 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param previouslyFocusedRect The rectangle (in this View's coordinate system) 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to give a finer grained hint about where focus is coming from. May be null 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if there is no hint. 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether focus was taken. 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings({"ConstantConditions"}) 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect previouslyFocusedRect) { 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index; 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int increment; 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int end; 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((direction & FOCUS_FORWARD) != 0) { 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = 0; 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = 1; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = count; 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = count - 1; 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project increment = -1; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = -1; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = index; i != end; i += increment) { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = children[i]; 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.requestFocus(direction, previouslyFocusedRect)) { 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchAttachedToWindow(AttachInfo info, int visibility) { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchAttachedToWindow(info, visibility); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project visibility |= mViewFlags & VISIBILITY_MASK; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchAttachedToWindow(info, visibility); 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchDetachedFromWindow() { 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we still have a motion target, we are still in the process of 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dispatching motion events to a child; we need to get rid of that 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // child to avoid dispatching events to it after the window is torn 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // down. To make sure we keep the child in a consistent state, we 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // first send it an ACTION_CANCEL motion event. 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMotionTarget != null) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long now = SystemClock.uptimeMillis(); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MotionEvent event = MotionEvent.obtain(now, now, 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent.ACTION_CANCEL, 0.0f, 0.0f, 0); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget.dispatchTouchEvent(event); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event.recycle(); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMotionTarget = null; 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchDetachedFromWindow(); 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchDetachedFromWindow(); 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPadding(int left, int top, int right, int bottom) { 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setPadding(left, top, right, bottom); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPaddingLeft | mPaddingTop | mPaddingRight | mPaddingRight) != 0) { 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_PADDING_NOT_NULL; 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_PADDING_NOT_NULL; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSaveInstanceState(SparseArray<Parcelable> container) { 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 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].dispatchSaveInstanceState(container); 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #saveHierarchyState freeze()} to only this view, 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchSaveInstanceState dispatchFreeze()} to allow subclasses to freeze 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchFreezeSelfOnly(SparseArray<Parcelable> container) { 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchSaveInstanceState(container); 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].dispatchRestoreInstanceState(container); 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform dispatching of a {@link #restoreHierarchyState thaw()} to only this view, 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not to its children. For use when overriding 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #dispatchRestoreInstanceState dispatchThaw()} to allow subclasses to thaw 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their own state but not the state of their children. 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container the container 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchThawSelfOnly(SparseArray<Parcelable> container) { 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.dispatchRestoreInstanceState(container); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the drawing cache for each child of this view group. 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the cache, false to dispose of it 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (enabled || (mPersistentDrawingCache & PERSISTENT_ALL_CACHES) != PERSISTENT_ALL_CACHES) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setDrawingCacheEnabled(enabled); 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationStart() { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationStart(); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation starts, build the cache for the children 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.buildDrawingCache(); 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAnimationEnd() { 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAnimationEnd(); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // When this ViewGroup's animation ends, destroy the cache of the children 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flags = mGroupFlags; 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_RUN_ANIMATION) != 0 && canAnimate()) { 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean cache = (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE) { 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = child.getLayoutParams(); 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attachLayoutAnimationParameters(child, params, i, count); 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindLayoutAnimation(child); 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setDrawingCacheEnabled(true); 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.buildDrawingCache(); 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutAnimationController controller = mLayoutAnimationController; 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (controller.willOverlap()) { 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_OPTIMIZE_INVALIDATE; 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project controller.start(); 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_RUN_ANIMATION; 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ANIMATION_DONE; 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cache) { 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CHILDREN_DRAWN_WITH_CACHE; 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationStart(controller.getAnimation()); 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int saveCount = 0; 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean clipToPadding = (flags & CLIP_TO_PADDING_MASK) == CLIP_TO_PADDING_MASK; 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project saveCount = canvas.save(); 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollX = mScrollX; 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int scrollY = mScrollY; 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(scrollX + mPaddingLeft, scrollY + mPaddingTop, 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollX + mRight - mLeft - mPaddingRight, 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scrollY + mBottom - mTop - mPaddingBottom); 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We will draw our child's animation, let's reset the flag 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAW_ANIMATION; 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_INVALIDATE_REQUIRED; 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long drawingTime = getDrawingTime(); 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_USE_CHILD_DRAWING_ORDER) == 0) { 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[getChildDrawingOrder(count, i)]; 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) == VISIBLE || child.getAnimation() != null) { 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw any disappearing views that have animations 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int disappearingCount = disappearingChildren.size() - 1; 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Go backwards -- we may delete as animations finish 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = disappearingCount; i >= 0; i--) { 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = disappearingChildren.get(i); 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more |= drawChild(canvas, child, drawingTime); 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToPadding) { 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(saveCount); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mGroupFlags might have been updated by drawChild() 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = mGroupFlags; 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_INVALIDATE_REQUIRED) == FLAG_INVALIDATE_REQUIRED) { 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_ANIMATION_DONE) == 0 && (flags & FLAG_NOTIFY_ANIMATION_LISTENER) == 0 && 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController.isDone() && !more) { 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We want to erase the drawing cache and notify the listener after the 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next frame is drawn because one extra invalidate() is caused by 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // drawChild() after the animation is over 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_ANIMATION_LISTENER; 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyAnimationListener(); 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the index of the child to draw for this iteration. Override this 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you want to change the drawing order of children. By default, it 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns i. 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: In order for this method to be called, the 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #FLAG_USE_CHILD_DRAWING_ORDER} must be set. 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param i The current iteration. 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The index of the child to draw this iteration. 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getChildDrawingOrder(int childCount, int i) { 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void notifyAnimationListener() { 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_NOTIFY_ANIMATION_LISTENER; 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ANIMATION_DONE; 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAnimationListener != null) { 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable end = new Runnable() { 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener.onAnimationEnd(mLayoutAnimationController.getAnimation()); 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project post(end); 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE) { 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CHILDREN_DRAWN_WITH_CACHE; 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPersistentDrawingCache & PERSISTENT_ANIMATION_CACHE) == 0) { 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setChildrenDrawingCacheEnabled(false); 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draw one child of this View Group. This method is responsible for getting 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the canvas in the right state. This includes clipping, translating so 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that the child's scrolled origin is at 0, 0, and applying any animation 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transformations. 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param canvas The canvas on which to draw the child 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child Who to draw 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingTime The time at which draw is occuring 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if an invalidate() was issued 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean drawChild(Canvas canvas, View child, long drawingTime) { 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean more = false; 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cl = child.mLeft; 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int ct = child.mTop; 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cr = child.mRight; 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int cb = child.mBottom; 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int flags = mGroupFlags; 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLEAR_TRANSFORMATION) == FLAG_CLEAR_TRANSFORMATION) { 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation != null) { 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation.clear(); 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_CLEAR_TRANSFORMATION; 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Transformation transformToApply = null; 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Animation a = child.getAnimation(); 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean concatMatrix = false; 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidth = cr - cl; 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeight = cb - ct; 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null) { 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInvalidateRegion == null) { 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInvalidateRegion = new RectF(); 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final RectF region = mInvalidateRegion; 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean initialized = a.isInitialized(); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!initialized) { 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.initialize(childWidth, childHeight, getWidth(), getHeight()); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.initializeInvalidateRegion(0, 0, childWidth, childHeight); 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onAnimationStart(); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project more = a.getTransformation(drawingTime, mChildTransformation); 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = mChildTransformation; 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = a.willChangeTransformationMatrix(); 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (more) { 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!a.willChangeBounds()) { 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) == 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_INVALIDATE_REQUIRED) == 0) { 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(cl, ct, cr, cb); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.getInvalidateRegion(0, 0, childWidth, childHeight, region, transformToApply); 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The child need to draw an animation, potentially offscreen, so 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure we do not cancel invalidate requests 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags |= DRAW_ANIMATION; 13904df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 13914df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int left = cl + (int) region.left; 13924df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project final int top = ct + (int) region.top; 13934df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project invalidate(left, top, left + (int) region.width(), top + (int) region.height()); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_SUPPORT_STATIC_TRANSFORMATIONS) == 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_SUPPORT_STATIC_TRANSFORMATIONS) { 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildTransformation == null) { 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation = new Transformation(); 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasTransform = getChildStaticTransformation(child, mChildTransformation); 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasTransform) { 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int transformType = mChildTransformation.getTransformationType(); 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformToApply = transformType != Transformation.TYPE_IDENTITY ? 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildTransformation : null; 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project concatMatrix = (transformType & Transformation.TYPE_MATRIX) != 0; 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1410986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy // Clear the flag as early as possible to allow draw() implementations 1411986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy // to call invalidate() successfully when doing animations 1412986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy child.mPrivateFlags |= DRAWN; 1413986003d46add147714ce7e16c9fefa8c18042fc8Romain Guy 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!concatMatrix && canvas.quickReject(cl, ct, cr, cb, Canvas.EdgeType.BW) && 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (child.mPrivateFlags & DRAW_ANIMATION) == 0) { 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.computeScroll(); 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sx = child.mScrollX; 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int sy = child.mScrollY; 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap cache = null; 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE || 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (flags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE) { 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cache = child.getDrawingCache(); 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean hasNoCache = cache == null; 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int restoreTo = canvas.save(); 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl - sx, ct - sy); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(cl, ct); 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float alpha = 1.0f; 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (transformToApply != null) { 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (concatMatrix) { 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transX = 0; 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transY = 0; 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transX = -sx; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transY = -sy; 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Undo the scroll translation, apply the transformation matrix, 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // then redo the scroll translate to get the correct result. 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(-transX, -transY); 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.concat(transformToApply.getMatrix()); 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(transX, transY); 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alpha = transformToApply.getAlpha(); 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_CLEAR_TRANSFORMATION; 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f && hasNoCache) { 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int multipliedAlpha = (int) (255 * alpha); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.onSetAlpha(multipliedAlpha)) { 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct, multipliedAlpha, 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= ALPHA_SET; 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((child.mPrivateFlags & ALPHA_SET) == ALPHA_SET) { 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((flags & FLAG_CLIP_CHILDREN) == FLAG_CLIP_CHILDREN) { 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(sx, sy, sx + childWidth, sy + childHeight); 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(0, 0, childWidth, childHeight); 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasNoCache) { 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fast path for layouts with no backgrounds 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) { 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.DRAW); 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDraw(canvas); 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.draw(canvas); 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Paint cachePaint = mCachePaint; 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alpha < 1.0f) { 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha((int) (alpha * 255)); 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ALPHA_LOWER_THAN_ONE; 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((flags & FLAG_ALPHA_LOWER_THAN_ONE) == FLAG_ALPHA_LOWER_THAN_ONE) { 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cachePaint.setAlpha(255); 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ALPHA_LOWER_THAN_ONE; 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewRoot.PROFILE_DRAWING) { 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EventLog.writeEvent(60003, hashCode()); 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawBitmap(cache, 0.0f, 0.0f, cachePaint); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restoreToCount(restoreTo); 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a != null && !more) { 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.onSetAlpha(255); 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project finishAnimatingView(child, a); 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return more; 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to their bounds before drawing. This 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior for animations, etc. 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipChildren true to clip children to their bounds, 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false otherwise 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipChildren 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipChildren(boolean clipChildren) { 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_CHILDREN, clipChildren); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, children are clipped to the padding of the ViewGroup. This 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allows view groups to override this behavior 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clipToPadding true to clip children to the padding of the 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, false otherwise 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_clipToPadding 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setClipToPadding(boolean clipToPadding) { 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CLIP_TO_PADDING, clipToPadding); 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchSetSelected(boolean selected) { 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setSelected(selected); 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void dispatchSetPressed(boolean pressed) { 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].setPressed(pressed); 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is set to true, this ViewGroup supports static transformations on 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children; this causes 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} to be 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * invoked when a child is drawn. 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Any subclass overriding 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getChildStaticTransformation(View, android.view.animation.Transformation)} should 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set this property to true. 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled True to enable static transformations on children, false otherwise. 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #FLAG_SUPPORT_STATIC_TRANSFORMATIONS 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setStaticTransformationsEnabled(boolean enabled) { 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_SUPPORT_STATIC_TRANSFORMATIONS, enabled); 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setStaticTransformationsEnabled(boolean) 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean getChildStaticTransformation(View child, Transformation t) { 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewTraversal(int id) { 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id == mID) { 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewById(id); 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View findViewWithTagTraversal(Object tag) { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag != null && tag.equals(mTag)) { 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] where = mChildren; 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int len = mChildrenCount; 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < len; i++) { 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = where[i]; 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((v.mPrivateFlags & IS_ROOT_NAMESPACE) == 0) { 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v = v.findViewWithTag(tag); 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) { 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child) { 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1); 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view. If no layout parameters are already set on the child, the 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default parameters for this ViewGroup are set on the child. 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #generateDefaultLayoutParams() 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index) { 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params = child.getLayoutParams(); 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateDefaultLayoutParams(); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params == null) { 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("generateDefaultLayoutParams() cannot return null"); 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, index, params); 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with this ViewGroup's default layout parameters and the 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified width and height. 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int width, int height) { 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams params = generateDefaultLayoutParams(); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.width = width; 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.height = height; 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, LayoutParams params) { 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addView(child, -1, params); 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a child view with the specified layout parameters. 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child view to add 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to add the child 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to set on the child 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DBG) { 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println(this + " addView"); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // addViewInner() will call child.requestLayout() when setting the new LayoutParams 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // therefore, we call requestLayout() on ourselves before, so that the child's request 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will be blocked at our level 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, false); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateViewLayout(View view, ViewGroup.LayoutParams params) { 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Invalid LayoutParams supplied to " + this); 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mParent != this) { 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Given view not a child of " + this); 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setLayoutParams(params); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p != null; 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the hierarchy 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within this view changed. The hierarchy changes whenever a child is added 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to or removed from this view. 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnHierarchyChangeListener { 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a new child is added to a parent view. 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view in which a child was added 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the new child view added in the hierarchy 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewAdded(View parent, View child); 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a child is removed from a parent view. 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent the view from which the child was removed 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child removed from the hierarchy 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onChildViewRemoved(View parent, View child); 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when a child is added to or removed 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from this view. 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener the callback to invoke on hierarchy change 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) { 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener = listener; 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params) { 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addViewInLayout(child, index, params, false); 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a view during layout. This is useful if in your onLayout() method, 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to add more views (as does the list view for example). 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If index is negative, it means put it at the end of the list. 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view to add to the group 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child must be added 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters to associate with the child 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preventRequestLayout if true, calling this method will not trigger a 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout request on child 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the child was added, false otherwise 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean addViewInLayout(View child, int index, LayoutParams params, 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = null; 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addViewInner(child, index, params, preventRequestLayout); 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= DRAWN; 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prevents the specified child to be laid out during the next layout pass. 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child on which to perform the cleanup 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void cleanupLayoutState(View child) { 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags &= ~View.FORCE_LAYOUT; 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addViewInner(View child, int index, LayoutParams params, 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean preventRequestLayout) { 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getParent() != null) { 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("The specified child already has a parent. " + 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "You must call removeView() on the child's parent first."); 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!checkLayoutParams(params)) { 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = generateLayoutParams(params); 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setLayoutParams(params); 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tell our children 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preventRequestLayout) { 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.assignParent(this); 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AttachInfo ai = mAttachInfo; 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai != null) { 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean lastKeepOn = ai.mKeepScreenOn; 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = false; 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchAttachedToWindow(mAttachInfo, (mViewFlags&VISIBILITY_MASK)); 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ai.mKeepScreenOn) { 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(true); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ai.mKeepScreenOn = lastKeepOn; 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewAdded(this, child); 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) == DUPLICATE_PARENT_STATE) { 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE; 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addInArray(View child, int index) { 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View[] children = mChildren; 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = children.length; 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count) { 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, size); 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[mChildrenCount++] = child; 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index < count) { 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == count) { 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildren = new View[size + ARRAY_CAPACITY_INCREMENT]; 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, 0, mChildren, 0, index); 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, mChildren, index + 1, count - index); 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children = mChildren; 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index, children, index + 1, count - index); 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index] = child; 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount++; 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException("index=" + index + " count=" + count); 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the child's mParent to null 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int index) { 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[index].mParent = null; 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == count - 1) { 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (index >= 0 && index < count) { 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, index + 1, children, index, count - index - 1); 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[--mChildrenCount] = null; 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IndexOutOfBoundsException(); 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This method also sets the children's mParent to null 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeFromArray(int start, int count) { 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childrenCount = mChildrenCount; 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start = Math.max(0, start); 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = Math.min(childrenCount, start + count); 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start == end) { 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == childrenCount) { 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Since we're looping above, we might as well do the copy, but is arraycopy() 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // faster than the extra 2 bounds checks we would do in the loop? 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(children, end, children, start, childrenCount - end); 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = childrenCount - (end - start); i < childrenCount; i++) { 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount -= (end - start); 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindLayoutAnimation(View child) { 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Animation a = mLayoutAnimationController.getAnimationForView(child); 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.setAnimation(a); 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should override this method to set layout animation 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters on the supplied child. 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to associate with animation parameters 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the child's layout parameters which hold the animation 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child in the view group 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children in the view group 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachLayoutAnimationParameters(View child, 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams params, int index, int count) { 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutAnimationController.AnimationParameters animationParams = 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters; 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animationParams == null) { 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams = new LayoutAnimationController.AnimationParameters(); 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.layoutAnimationParameters = animationParams; 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.count = count; 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project animationParams.index = index; 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeView(View view) { 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a view during layout. This is useful if in your onLayout() method, 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view the view to remove from the group 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewInLayout(View view) { 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(view); 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a range of views during layout. This is useful if in your onLayout() method, 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you need to remove more views. 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the index of the first view to remove from the group 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove from the group 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewsInLayout(int start, int count) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the view at the specified position in the group. 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position in the group of the view to remove 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViewAt(int index) { 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, getChildAt(index)); 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes the specified range of views from the group. 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first position in the group of the range of views to remove 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of views to remove 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeViews(int start, int count) { 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewsInternal(start, count); 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(View view) { 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = indexOfChild(view); 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index >= 0) { 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeViewInternal(index, view); 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewInternal(int index, View view) { 20379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean clearChildFocus = false; 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == mFocused) { 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = true; 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (view.mAttachInfo != null) { 20469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, view); 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus) { 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(view); 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void removeViewsInternal(int start, int count) { 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener onHierarchyChangeListener = mOnHierarchyChangeListener; 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notifyListener = onHierarchyChangeListener != null; 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int end = start + count; 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = start; i < end; i++) { 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notifyListener) { 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onHierarchyChangeListener.onChildViewRemoved(this, view); 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this method to remove all child views from the 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViews() { 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeAllViewsInLayout(); 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by a ViewGroup subclass to remove child views from itself, 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when it must first know its size on screen before it can calculate how many 21139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * child views it will render. An example is a Gallery or a ListView, which 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may "have" 50 children, but actually only render the number of children 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that can currently fit inside the object on screen. Do not call 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method unless you are extending ViewGroup and understand the 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * view measuring and layout pipeline. 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void removeAllViewsInLayout() { 21209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final OnHierarchyChangeListener listener = mOnHierarchyChangeListener; 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean notify = listener != null; 21309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View focused = mFocused; 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean detach = mAttachInfo != null; 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View clearChildFocus = null; 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needGlobalAttributesUpdate(false); 21359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View view = children[i]; 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == focused) { 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearFocusForRemoval(); 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus = view; 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.getAnimation() != null) { 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(view); 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (detach) { 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (notify) { 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project listener.onChildViewRemoved(this, view); 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mParent = null; 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clearChildFocus != null) { 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearChildFocus(clearChildFocus); 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finishes the removal of a detached view. This method will dispatch the detached from 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window event and notify the hierarchy change listener. 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to be definitely removed from the view hierarchy 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animate if true and the view has an animation, the view is placed in the 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disappearing views list, otherwise, it is detached from the window 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void removeDetachedView(View child, boolean animate) { 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child == mFocused) { 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.clearFocus(); 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animate && child.getAnimation() != null) { 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addDisappearingView(child); 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (child.mAttachInfo != null) { 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.dispatchDetachedFromWindow(); 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnHierarchyChangeListener != null) { 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnHierarchyChangeListener.onChildViewRemoved(this, child); 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attaches a view to this view group. Attaching a view assigns this group as the parent, 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sets the layout parameters and puts the view in the list of children so it can be retrieved 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by calling {@link #getChildAt(int)}. 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method should be called only for view which were detached from their parent. 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to attach 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index at which the child should be attached 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the layout parameters of the child 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void attachViewToParent(View child, int index, LayoutParams params) { 22099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mLayoutParams = params; 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project index = mChildrenCount; 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addInArray(child, index); 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mParent = this; 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= DRAWN; 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.hasFocus()) { 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestChildFocus(child, child.findFocus()); 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the child to detach 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(View child) { 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(indexOfChild(child)); 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a view from its parent. Detaching a view should be temporary and followed 22459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the index of the child to detach 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewsFromParent(int, int) 22549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewFromParent(int index) { 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(index); 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches a range of view from their parent. Detaching a view should be temporary and followed 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, its 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param start the first index of the childrend range to detach 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param count the number of children to detach 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachAllViewsFromParent() 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams) 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #removeDetachedView(View, boolean) 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void detachViewsFromParent(int start, int count) { 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project removeFromArray(start, count); 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Detaches all views from the parent. Detaching a view should be temporary and followed 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either by a call to {@link #attachViewToParent(View, int, android.view.ViewGroup.LayoutParams)} 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or a call to {@link #removeDetachedView(View, boolean)}. When a view is detached, 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its parent is null and cannot be retrieved by a call to {@link #getChildAt(int)}. 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(View) 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #detachViewFromParent(int) 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 detachAllViewsFromParent() { 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count <= 0) { 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenCount = 0; 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = count - 1; i >= 0; i--) { 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i].mParent = null; 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project children[i] = null; 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Don't call or override this method. It is used for the implementation of 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the view hierarchy. 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void invalidateChild(View child, final Rect dirty) { 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD); 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent parent = this; 23179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AttachInfo attachInfo = mAttachInfo; 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (attachInfo != null) { 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int[] location = attachInfo.mInvalidateChildLocation; 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = child.mLeft; 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = child.mTop; 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the child is drawing an animation, we want to copy this flag onto 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ourselves and the parent to make sure the invalidate request goes 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // through 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean drawAnimation = (child.mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION; 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 2330bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy if (drawAnimation) { 2331bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy if (parent instanceof View) { 2332bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy ((View) parent).mPrivateFlags |= DRAW_ANIMATION; 2333bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } else if (parent instanceof ViewRoot) { 2334bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy ((ViewRoot) parent).mIsAnimating = true; 2335bb93d5598daa3312318c29401815bddf1df8c4deRomain Guy } 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parent = parent.invalidateChildInParent(location, dirty); 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (parent != 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 * This implementation returns null if this ViewGroup does not have a parent, 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if this ViewGroup is already fully invalidated or if the dirty rectangle 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not intersect with this ViewGroup's bounds. 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ViewParent invalidateChildInParent(final int[] location, final Rect dirty) { 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ViewDebug.TRACE_HIERARCHY) { 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE_CHILD_IN_PARENT); 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mPrivateFlags & DRAWN) == DRAWN) { 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & (FLAG_OPTIMIZE_INVALIDATE | FLAG_ANIMATION_DONE)) != 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FLAG_OPTIMIZE_INVALIDATE) { 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.offset(location[CHILD_LEFT_INDEX] - mScrollX, 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] - mScrollY); 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int left = mLeft; 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int top = mTop; 23639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dirty.intersect(0, 0, mRight - left, mBottom - top) || 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mPrivateFlags & DRAW_ANIMATION) == DRAW_ANIMATION) { 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWING_CACHE_VALID; 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = left; 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = top; 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrivateFlags &= ~DRAWN & ~DRAWING_CACHE_VALID; 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_LEFT_INDEX] = mLeft; 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project location[CHILD_TOP_INDEX] = mTop; 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dirty.set(0, 0, mRight - location[CHILD_LEFT_INDEX], 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottom - location[CHILD_TOP_INDEX]); 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParent; 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in a descendant's coordinate 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * space into our coordinate space. 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetDescendantRectToMyCoords(View descendant, Rect rect) { 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, true, false); 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset a rectangle that is in our coordinate space into an ancestor's 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * coordinate space. 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param descendant A descendant of this view 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rect A rectangle defined in descendant's coordinate space. 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void offsetRectIntoDescendantCoords(View descendant, Rect rect) { 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offsetRectBetweenParentAndChild(descendant, rect, false, false); 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper method that offsets a rect either from parent to descendant or 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * descendant to parent. 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void offsetRectBetweenParentAndChild(View descendant, Rect rect, 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean offsetFromChildToParent, boolean clipToBounds) { 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already in the same coord system :) 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (descendant == this) { 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewParent theParent = descendant.mParent; 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // search and offset up to the parent 24249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((theParent != null) 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent instanceof View) 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (theParent != this)) { 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 24299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 24309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 24319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 24329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clipToBounds) { 24379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View p = (View) theParent; 24389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.intersect(0, 0, p.mRight - p.mLeft, p.mBottom - p.mTop); 24399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 24419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 24429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant = (View) theParent; 24459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project theParent = descendant.mParent; 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now that we are up to this view, need to offset one more time 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to get into our coordinate space 24509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (theParent == this) { 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offsetFromChildToParent) { 24529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mLeft - descendant.mScrollX, 24539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mTop - descendant.mScrollY); 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rect.offset(descendant.mScrollX - descendant.mLeft, 24569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project descendant.mScrollY - descendant.mTop); 24579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("parameter must be a descendant of this view"); 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Offset the vertical location of all children of this view by the specified number of pixels. 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param offset the number of pixels to offset 24679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void offsetChildrenTopAndBottom(int offset) { 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 24739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 24759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View v = children[i]; 24769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mTop += offset; 24779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.mBottom += offset; 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getChildVisibleRect(View child, Rect r, android.graphics.Point offset) { 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dx = child.mLeft - mScrollX; 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dy = child.mTop - mScrollY; 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (offset != null) { 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.x += dx; 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset.y += dy; 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r.offset(dx, dy); 24929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r.intersect(0, 0, mRight - mLeft, mBottom - mTop) && 24939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (mParent == null || mParent.getChildVisibleRect(this, r, offset)); 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 24989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected abstract void onLayout(boolean changed, 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int l, int t, int r, int b); 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the view group has the ability to animate its children 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after the first layout. 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the children can be animated, false otherwise 25089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean canAnimate() { 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController != null; 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the layout animation. Calling this method triggers a relayout of 25159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this view group. 25169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void startLayoutAnimation() { 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Schedules the layout animation to be played after the next layout pass 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of this view group. This can be used to restart the layout animation 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the content of the view group changes or when the activity is 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * paused and resumed. 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void scheduleLayoutAnimation() { 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the layout animation controller used to animate the group's 25369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children after the first layout. 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param controller the animation controller 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimation(LayoutAnimationController controller) { 25419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutAnimationController = controller; 25429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLayoutAnimationController != null) { 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_RUN_ANIMATION; 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the layout animation controller used to animate the group's 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children. 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the current animation controller 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController getLayoutAnimation() { 25549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutAnimationController; 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the children's drawing cache is used during a layout 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. By default, the drawing cache is enabled but this will prevent 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * nested layout animations from working. To nest animations, you must disable 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cache. 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 25669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAnimationCacheEnabled() { 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ANIMATION_CACHE) == FLAG_ANIMATION_CACHE; 25719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enables or disables the children's drawing cache during a layout animation. 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * By default, the drawing cache is enabled but this will prevent nested 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout animations from working. To nest animations, you must disable the 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cache. 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true to enable the animation cache, false otherwise 25809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAnimationCacheEnabled() 25829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 25839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAnimationCacheEnabled(boolean enabled) { 25859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ANIMATION_CACHE, enabled); 25869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. By default this property is enabled. 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the animation cache is enabled, false otherwise 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 25969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 25999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isAlwaysDrawnWithCacheEnabled() { 26009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE; 26019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether this ViewGroup will always try to draw its children using their 26059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawing cache. This property can be set to true when the cache rendering is 26069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * slightly different from the children's normal rendering. Renderings can be different, 26079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for instance, when the cache's quality is set to low. 26089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When this property is disabled, the ViewGroup will use the drawing cache of its 26109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * children only when asked to. It's usually the task of subclasses to tell ViewGroup 26119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when to start using the drawing cache and when to stop using it. 26129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param always true to always draw with the drawing cache, false otherwise 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isAlwaysDrawnWithCacheEnabled() 26169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 26179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheEnabled(boolean) 26189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see View#setDrawingCacheQuality(int) 26199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlwaysDrawnWithCacheEnabled(boolean always) { 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_ALWAYS_DRAWN_WITH_CACHE, always); 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the ViewGroup is currently drawing its children using 26269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * their drawing cache. 26279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if children should be drawn with their cache, false otherwise 26299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 26319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setChildrenDrawnWithCacheEnabled(boolean) 26329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 26349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isChildrenDrawnWithCacheEnabled() { 26359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE; 26369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tells the ViewGroup to draw its children using their drawing cache. This property 26409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ignored when {@link #isAlwaysDrawnWithCacheEnabled()} is true. A child's drawing cache 26419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be used only if it has been enabled. 26429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses should call this method to start and stop using the drawing cache when 26449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they perform performance sensitive operations, like scrolling or animating. 26459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled true if children should be drawn with their cache, false otherwise 26479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAlwaysDrawnWithCacheEnabled(boolean) 26499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isChildrenDrawnWithCacheEnabled() 26509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBooleanFlag(FLAG_CHILDREN_DRAWN_WITH_CACHE, enabled); 26539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setBooleanFlag(int flag, boolean value) { 26569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value) { 26579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= flag; 26589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 26599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~flag; 26609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an integer indicating what types of drawing caches are kept in memory. 26659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setPersistentDrawingCache(int) 26679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 26689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return one or a combination of {@link #PERSISTENT_NO_CACHE}, 26709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 26719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 26729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 26749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_NO_CACHE, to = "NONE"), 26759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ANIMATION"), 26769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_SCROLLING_CACHE, to = "SCROLLING"), 26779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = PERSISTENT_ALL_CACHES, to = "ALL") 26789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 26799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPersistentDrawingCache() { 26809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPersistentDrawingCache; 26819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates what types of drawing caches should be kept in memory after 26859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they have been created. 26869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistentDrawingCache() 26889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setAnimationCacheEnabled(boolean) 26899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param drawingCacheToKeep one or a combination of {@link #PERSISTENT_NO_CACHE}, 26919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #PERSISTENT_ANIMATION_CACHE}, {@link #PERSISTENT_SCROLLING_CACHE} 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link #PERSISTENT_ALL_CACHES} 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPersistentDrawingCache(int drawingCacheToKeep) { 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistentDrawingCache = drawingCacheToKeep & PERSISTENT_ALL_CACHES; 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 26999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a new set of layout parameters based on the supplied attributes set. 27009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the attributes to build the layout parameters from 27029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 27049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 27059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams generateLayoutParams(AttributeSet attrs) { 27079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(getContext(), attrs); 27089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a safe set of layout parameters based on the supplied layout params. 27129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When a ViewGroup is passed a View whose layout params do not pass the test of 27139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #checkLayoutParams(android.view.ViewGroup.LayoutParams)}, this method 27149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is invoked. This method should return a new set of layout params suitable for 27159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this ViewGroup, possibly by copying the appropriate attributes from the 27169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specified set of layout params. 27179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param p The layout parameters to convert into a suitable set of layout parameters 27199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this ViewGroup. 27209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an instance of {@link android.view.ViewGroup.LayoutParams} or one 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of its descendants 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a set of default layout parameters. These parameters are requested 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the View passed to {@link #addView(View)} has no layout parameters 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * already set. If null is returned, an exception is thrown from addView. 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a set of default layout parameters or null 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutParams generateDefaultLayoutParams() { 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 27419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void debug(int depth) { 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.debug(depth); 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String output; 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFocused != null) { 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "mFocused"; 27509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 27519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 27539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 27549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "{"; 27559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 27569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = mChildrenCount; 27589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 27599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = mChildren[i]; 27609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.debug(depth + 1); 27619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mChildrenCount != 0) { 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output = debugIndent(depth); 27659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project output += "}"; 27669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(VIEW_LOG_TAG, output); 27679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the position in the group of the specified child view. 27729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child the view for which to get the position 27749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the position of the view in the 27759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * group, or -1 if the view does not exist in the group 27769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int indexOfChild(View child) { 27789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 27799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 27809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 27819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (children[i] == child) { 27829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 27839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 27869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of children in the group. 27909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a positive integer representing the number of children in 27929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the group 27939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChildCount() { 27959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildrenCount; 27969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the view at the specified position in the group. 28009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index the position at which to get the view from 28029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the view at the specified position or null if the position 28039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * does not exist within the group 28049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getChildAt(int index) { 28069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 28079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChildren[index]; 28089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IndexOutOfBoundsException ex) { 28099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 28109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask all of the children of this view to measure themselves, taking into 28159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 28169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We skip children that are in the GONE state The heavy lifting is done in 28179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getChildMeasureSpec. 28189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthMeasureSpec The width requirements for this view 28209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightMeasureSpec The height requirements for this view 28219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildren(int widthMeasureSpec, int heightMeasureSpec) { 28239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = mChildrenCount; 28249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 28259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; ++i) { 28269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 28279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) != GONE) { 28289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project measureChild(child, widthMeasureSpec, heightMeasureSpec); 28299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 28359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding. 28369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The heavy lifting is done in getChildMeasureSpec. 28379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 28399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 28409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 28419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChild(View child, int parentWidthMeasureSpec, 28439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec) { 28449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutParams lp = child.getLayoutParams(); 28459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 28479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight, lp.width); 28489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 28499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom, lp.height); 28509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 28529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Ask one of the children of this view to measure itself, taking into 28569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * account both the MeasureSpec requirements for this view and its padding 28579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and margins. The child must have MarginLayoutParams The heavy lifting is 28589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * done in getChildMeasureSpec. 28599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param child The child to measure 28619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentWidthMeasureSpec The width requirements for this view 28629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthUsed Extra space that has been used up by the parent 28639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * horizontally (possibly by other children of the parent) 28649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parentHeightMeasureSpec The height requirements for this view 28659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightUsed Extra space that has been used up by the parent 28669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertically (possibly by other children of the parent) 28679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void measureChildWithMargins(View child, 28699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentWidthMeasureSpec, int widthUsed, 28709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int parentHeightMeasureSpec, int heightUsed) { 28719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams(); 28729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, 28749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingLeft + mPaddingRight + lp.leftMargin + lp.rightMargin 28759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + widthUsed, lp.width); 28769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, 28779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaddingTop + mPaddingBottom + lp.topMargin + lp.bottomMargin 28789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + heightUsed, lp.height); 28799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.measure(childWidthMeasureSpec, childHeightMeasureSpec); 28819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 28849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Does the hard part of measureChildren: figuring out the MeasureSpec to 28859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pass to a particular child. This method figures out the right MeasureSpec 28869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for one dimension (height or width) of one child view. 28879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The goal is to combine information from our MeasureSpec with the 28899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams of the child to get the best possible results. For example, 28909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the this view knows its size (because its MeasureSpec has a mode of 28919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * EXACTLY), and the child has indicated in its LayoutParams that it wants 28929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be the same size as the parent, the parent should ask the child to 28939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout given an exact size. 28949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 28959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param spec The requirements for this view 28969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param padding The padding of this view for the current dimension and 28979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * margins, if applicable 28989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param childDimension How big the child wants to be in the current 28999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * dimension 29009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a MeasureSpec integer for the child 29019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int getChildMeasureSpec(int spec, int padding, int childDimension) { 29039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specMode = MeasureSpec.getMode(spec); 29049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int specSize = MeasureSpec.getSize(spec); 29059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = Math.max(0, specSize - padding); 29079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultSize = 0; 29099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int resultMode = 0; 29109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (specMode) { 29129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed an exact size on us 29139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.EXACTLY: 29149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 29159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 29169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 29179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 29189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size. So be it. 29199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 29209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 29219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 29229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 29239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 29249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 29259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 29269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 29289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent has imposed a maximum size on us 29309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.AT_MOST: 29319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 29329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... so be it 29339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 29349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 29359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 29369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size, but our size is not fixed. 29379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constrain child to not be bigger than us. 29389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 29399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 29409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 29419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size. It can't be 29429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bigger than us. 29439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = size; 29449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.AT_MOST; 29459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 29479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Parent asked to see how big we want to be 29499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MeasureSpec.UNSPECIFIED: 29509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childDimension >= 0) { 29519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants a specific size... let him have it 29529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = childDimension; 29539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.EXACTLY; 29549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.FILL_PARENT) { 29559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to be our size... find out how big it should 29569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be 29579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 29589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 29599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (childDimension == LayoutParams.WRAP_CONTENT) { 29609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Child wants to determine its own size.... find out how 29619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // big it should be 29629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultSize = 0; 29639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMode = MeasureSpec.UNSPECIFIED; 29649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 29669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return MeasureSpec.makeMeasureSpec(resultSize, resultMode); 29689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes any pending animations for views that have been removed. Call 29739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this if you don't want animations for exiting views to stack up. 29749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearDisappearingChildren() { 29769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDisappearingChildren != null) { 29779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDisappearingChildren.clear(); 29789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a view which is removed from mChildren but still needs animation 29839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 29849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param v View to add 29859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void addDisappearingView(View v) { 29879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<View> disappearingChildren = mDisappearingChildren; 29889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren == null) { 29909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren = mDisappearingChildren = new ArrayList<View>(); 29919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.add(v); 29949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cleanup a view when its animation is done. This may mean removing it from 29989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the list of disappearing views. 29999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view whose animation has finished 30019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animation The animation, cannot be null 30029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void finishAnimatingView(final View view, Animation animation) { 30049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<View> disappearingChildren = mDisappearingChildren; 30059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren != null) { 30069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (disappearingChildren.contains(view)) { 30079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project disappearingChildren.remove(view); 30089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view.mAttachInfo != null) { 30109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.dispatchDetachedFromWindow(); 30119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 30149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 30159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (animation != null && !animation.getFillAfter()) { 30199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.clearAnimation(); 30209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((view.mPrivateFlags & ANIMATION_STARTED) == ANIMATION_STARTED) { 30239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.onAnimationEnd(); 30249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Should be performed by onAnimationEnd() but this avoid an infinite loop, 30259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // so we'd rather be safe than sorry 30269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.mPrivateFlags &= ~ANIMATION_STARTED; 30279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw one more frame after the animation is done 30289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_INVALIDATE_REQUIRED; 30299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 30349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean gatherTransparentRegion(Region region) { 30379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If no transparent regions requested, we are always opaque. 30389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean meOpaque = (mPrivateFlags & View.REQUEST_TRANSPARENT_REGIONS) == 0; 30399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (meOpaque && region == null) { 30409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The caller doesn't care about the region, so stop now. 30419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 30429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.gatherTransparentRegion(region); 30449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 30459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 30469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean noneOfTheChildrenAreTransparent = true; 30479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 30489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 30499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & VISIBILITY_MASK) != GONE || child.getAnimation() != null) { 30509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!child.gatherTransparentRegion(region)) { 30519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project noneOfTheChildrenAreTransparent = false; 30529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return meOpaque || noneOfTheChildrenAreTransparent; 30569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 30609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestTransparentRegion(View child) { 30629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child != null) { 30639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.mPrivateFlags |= View.REQUEST_TRANSPARENT_REGIONS; 30649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mParent != null) { 30659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParent.requestTransparentRegion(this); 30669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean fitSystemWindows(Rect insets) { 30739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = super.fitSystemWindows(insets); 30749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!done) { 30759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 30769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 30779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 30789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = children[i].fitSystemWindows(insets); 30799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (done) { 30809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 30819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return done; 30859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 30889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the animation listener to which layout animation events are 30899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sent. 30909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 30919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return an {@link android.view.animation.Animation.AnimationListener} 30929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 30939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Animation.AnimationListener getLayoutAnimationListener() { 30949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAnimationListener; 30959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 30969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 30989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void drawableStateChanged() { 30999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.drawableStateChanged(); 31009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE) != 0) { 31029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 31039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("addStateFromChildren cannot be enabled if a" 31049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " child has duplicateParentState set to true"); 31059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View[] children = mChildren; 31089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = mChildrenCount; 31099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 31119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View child = children[i]; 31129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((child.mViewFlags & DUPLICATE_PARENT_STATE) != 0) { 31139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.refreshDrawableState(); 31149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 31209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int[] onCreateDrawableState(int extraSpace) { 31219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) == 0) { 31229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onCreateDrawableState(extraSpace); 31239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int need = 0; 31269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int n = getChildCount(); 31279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 31289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 31299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 31319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project need += childState.length; 31329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] state = super.onCreateDrawableState(extraSpace + need); 31369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < n; i++) { 31389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] childState = getChildAt(i).getDrawableState(); 31399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (childState != null) { 31419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = mergeDrawableStates(state, childState); 31429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 31469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this ViewGroup's drawable states also include 31509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 31519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 31529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 31539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAddStatesFromChildren(boolean addsStates) { 31559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (addsStates) { 31569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags |= FLAG_ADD_STATES_FROM_CHILDREN; 31579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 31589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGroupFlags &= ~FLAG_ADD_STATES_FROM_CHILDREN; 31599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 31629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether this ViewGroup's drawable states also include 31669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its children's drawable states. This is used, for example, to 31679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make a group appear to be focused when its child EditText or button 31689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is focused. 31699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean addStatesFromChildren() { 31719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0; 31729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If {link #addStatesFromChildren} is true, refreshes this group's 31769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * drawable state (to include the states from its children). 31779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void childDrawableStateChanged(View child) { 31799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) { 31809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshDrawableState(); 31819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies the animation listener to which layout animation events must 31869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be sent. Only 31879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationStart(Animation)} 31889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and 31899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation.Animation.AnimationListener#onAnimationEnd(Animation)} 31909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are invoked. 31919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 31929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param animationListener the layout animation listener 31939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 31949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutAnimationListener(Animation.AnimationListener animationListener) { 31959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAnimationListener = animationListener; 31969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 31979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams are used by views to tell their parents how they want to be 32009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * laid out. See 32019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_Layout ViewGroup Layout Attributes} 32029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 32039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 32059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The base LayoutParams class just describes how big the view wants to be 32069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for both width and height. For each dimension, it can specify one of: 32079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 32089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> an exact number 32099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>FILL_PARENT, which means the view wants to be as big as its parent 32109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (minus padding) 32119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> WRAP_CONTENT, which means that the view wants to be just big enough 32129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to enclose its content (plus padding) 32139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 32149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There are subclasses of LayoutParams for different subclasses of 32159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewGroup. For example, AbsoluteLayout has its own subclass of 32169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutParams which adds an X and Y value. 32179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_height 32199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_Layout_layout_width 32209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class LayoutParams { 32229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special value for the height or width requested by a View. 32249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FILL_PARENT means that the view wants to fill the available space 32259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within the parent, taking the parent's padding into account. 32269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int FILL_PARENT = -1; 32289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Special value for the height or width requested by a View. 32319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WRAP_CONTENT means that the view wants to be just large enough to fit 32329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its own internal content, taking its own padding into account. 32339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WRAP_CONTENT = -2; 32359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information about how wide the view wants to be. Can be an exact 32389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * size, or one of the constants FILL_PARENT or WRAP_CONTENT. 32399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 32419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FILL_PARENT, to = "FILL_PARENT"), 32429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 32439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 32449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 32459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Information about how tall the view wants to be. Can be an exact 32489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * size, or one of the constants FILL_PARENT or WRAP_CONTENT. 32499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty(mapping = { 32519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = FILL_PARENT, to = "FILL_PARENT"), 32529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.IntToString(from = WRAP_CONTENT, to = "WRAP_CONTENT") 32539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }) 32549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 32559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to animate layouts. 32589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutAnimationController.AnimationParameters layoutAnimationParameters; 32609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 32639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. The XML attributes mapped 32649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to this set of layout parameters are: 32659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 32679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_width</code>: the width, either an exact value, 32689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or {@link #FILL_PARENT}</li> 32699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li><code>layout_height</code>: the height, either an exact value, 32709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or {@link #FILL_PARENT}</li> 32719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 32729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 32749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 32759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 32769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 32789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_Layout); 32799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 32809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_width, 32819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_Layout_layout_height); 32829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 32839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters with the specified width 32879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and height. 32889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 32899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width, either {@link #FILL_PARENT}, 32909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 32919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height, either {@link #FILL_PARENT}, 32929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WRAP_CONTENT} or a fixed size in pixels 32939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(int width, int height) { 32959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = width; 32969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = height; 32979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width and height values of the source. 33019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 33039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LayoutParams(LayoutParams source) { 33059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 33069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 33079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used internally by MarginLayoutParams. 33119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 33129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams() { 33149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Extracts the layout parameters from the supplied attributes. 33189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a the style attributes to extract the parameters from 33209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widthAttr the identifier of the width attribute 33219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param heightAttr the identifier of the height attribute 33229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setBaseAttributes(TypedArray a, int widthAttr, int heightAttr) { 33249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = a.getLayoutDimension(widthAttr, "layout_width"); 33259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = a.getLayoutDimension(heightAttr, "layout_height"); 33269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a String representation of this set of layout parameters. 33309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output the String to prepend to the internal representation 33329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with the following format: output + 33339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "ViewGroup.LayoutParams={ width=WIDTH, height=HEIGHT }" 33349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 33369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String debug(String output) { 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return output + "ViewGroup.LayoutParams={ width=" 33399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + sizeToString(width) + ", height=" + sizeToString(height) + " }"; 33409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts the specified size to a readable String. 33449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param size the size to convert 33469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String instance representing the supplied size 33479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 33499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static String sizeToString(int size) { 33519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == WRAP_CONTENT) { 33529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "wrap-content"; 33539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size == FILL_PARENT) { 33559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "fill-parent"; 33569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String.valueOf(size); 33589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Per-child layout information for layouts that support margins. 33639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 33649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.styleable#ViewGroup_MarginLayout ViewGroup Margin Layout Attributes} 33659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a list of all child view attributes that this class supports. 33669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class MarginLayoutParams extends ViewGroup.LayoutParams { 33689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The left margin in pixels of the child. 33709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 33729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int leftMargin; 33739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The top margin in pixels of the child. 33769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 33789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int topMargin; 33799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The right margin in pixels of the child. 33829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 33849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int rightMargin; 33859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The bottom margin in pixels of the child. 33889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @ViewDebug.ExportedProperty 33909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int bottomMargin; 33919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 33939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new set of layout parameters. The values are extracted from 33949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplied attributes set and context. 33959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 33969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the application environment 33979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs the set of attributes from which to extract the layout 33989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * parameters' values 33999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(Context c, AttributeSet attrs) { 34019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(); 34029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = c.obtainStyledAttributes(attrs, R.styleable.ViewGroup_MarginLayout); 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setBaseAttributes(a, 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_width, 34069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_height); 34079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int margin = a.getDimensionPixelSize( 34099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.ViewGroup_MarginLayout_layout_margin, -1); 34109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (margin >= 0) { 34119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = margin; 34129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = margin; 34139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin= margin; 34149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = margin; 34159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 34169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = a.getDimensionPixelSize( 34179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginLeft, 0); 34189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = a.getDimensionPixelSize( 34199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginTop, 0); 34209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = a.getDimensionPixelSize( 34219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginRight, 0); 34229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = a.getDimensionPixelSize( 34239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project R.styleable.ViewGroup_MarginLayout_layout_marginBottom, 0); 34249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 34279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 34319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(int width, int height) { 34339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(width, height); 34349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copy constructor. Clones the width, height and margin values of the source. 34389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param source The layout params to copy from. 34409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(MarginLayoutParams source) { 34429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.width = source.width; 34439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.height = source.height; 34449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.leftMargin = source.leftMargin; 34469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.topMargin = source.topMargin; 34479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.rightMargin = source.rightMargin; 34489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.bottomMargin = source.bottomMargin; 34499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 34539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MarginLayoutParams(LayoutParams source) { 34559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 34569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 34599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the margins, in pixels. 34609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param left the left margin size 34629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param top the top margin size 34639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param right the right margin size 34649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bottom the bottom margin size 34659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginLeft 34679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginTop 34689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginRight 34699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ViewGroup_MarginLayout_layout_marginBottom 34709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 34719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setMargins(int left, int top, int right, int bottom) { 34729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftMargin = left; 34739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project topMargin = top; 34749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightMargin = right; 34759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottomMargin = bottom; 34769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3479