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.graphics.drawable; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19c2974809373697147cbe5754835cc871fb93aef1Dianne Hackbornimport android.content.res.Resources; 2078aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.Canvas; 2178aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.ColorFilter; 2278aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.PixelFormat; 2378aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.Rect; 24079e23575024e103358c982152afb7a720ae1a8aDianne Hackbornimport android.os.SystemClock; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2678aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne/** 2778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * A helper class that contains several {@link Drawable}s and selects which one to use. 2878aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * 2978aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * You can subclass it to create your own DrawableContainers or directly use one its child classes. 3078aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DrawableContainer extends Drawable implements Drawable.Callback { 32079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private static final boolean DEBUG = false; 33079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private static final String TAG = "DrawableContainer"; 34211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed 35211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed /** 36211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * To be proper, we should have a getter for dither (and alpha, etc.) 37211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * so that proxy classes like this can save/restore their delegates' 38211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * values, but we don't have getters. Since we do have setters 39211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * (e.g. setDither), which this proxy forwards on, we have to have some 40211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * default/initial setting. 41211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * 42211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * The initial setting for dither is now true, since it almost always seems 43211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * to improve the quality at negligible cost. 44211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed */ 45211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed private static final boolean DEFAULT_DITHER = true; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private DrawableContainerState mDrawableContainerState; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mCurrDrawable; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAlpha = 0xFF; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ColorFilter mColorFilter; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCurIndex = -1; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMutated; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // Animations. 55079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private Runnable mAnimationRunnable; 56079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private long mEnterAnimationEnd; 57079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private long mExitAnimationEnd; 58079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private Drawable mLastDrawable; 59079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // overrides from Drawable 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.draw(canvas); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 68079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.draw(canvas); 69079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getChangingConfigurations() 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mDrawableContainerState.mChangingConfigurations 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mDrawableContainerState.mChildrenChangingConfigurations; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getPadding(Rect padding) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect r = mDrawableContainerState.getConstantPadding(); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (r != null) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project padding.set(r); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.getPadding(padding); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getPadding(padding); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAlpha != alpha) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlpha = alpha; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 98079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd == 0) { 99079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.setAlpha(alpha); 100079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 101079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(false); 102079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDither(boolean dither) { 109a41581ed4033004c73115113f45b9844e9b0210fRomain Guy if (mDrawableContainerState.mDither != dither) { 110a41581ed4033004c73115113f45b9844e9b0210fRomain Guy mDrawableContainerState.mDither = dither; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 112a41581ed4033004c73115113f45b9844e9b0210fRomain Guy mCurrDrawable.setDither(mDrawableContainerState.mDither); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColorFilter != cf) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColorFilter = cf; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.setColorFilter(cf); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 127079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 128079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Change the global fade duration when a new drawable is entering 129079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * the scene. 130079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @param ms The amount of time to fade in milliseconds. 131079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 132079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void setEnterFadeDuration(int ms) { 133079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mDrawableContainerState.mEnterFadeDuration = ms; 134079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 135079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 136079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 137079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Change the global fade duration when a new drawable is leaving 138079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * the scene. 139079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @param ms The amount of time to fade in milliseconds. 140079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 141079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void setExitFadeDuration(int ms) { 142079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mDrawableContainerState.mExitFadeDuration = ms; 143079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 144079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onBoundsChange(Rect bounds) { 147079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 148079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setBounds(bounds); 149079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.setBounds(bounds); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStateful() { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.isStateful(); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 161079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void jumpToCurrentState() { 162079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean changed = false; 163079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 164079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.jumpToCurrentState(); 165079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 166079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 167079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 168079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mCurrDrawable != null) { 169079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.jumpToCurrentState(); 170a0ac98bd5cb550319221c1d60277e07a9d2e3a91Jeff Sharkey mCurrDrawable.setAlpha(mAlpha); 171079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 172079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd != 0) { 173079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 174079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 175079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 176079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0) { 177079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 178079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 179079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 180079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (changed) { 181079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn invalidateSelf(); 182079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 183079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 184079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 185079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn @Override 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onStateChange(int[] state) { 187079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 188079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mLastDrawable.setState(state); 189079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.setState(state); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onLevelChange(int level) { 198079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 199079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mLastDrawable.setLevel(level); 200079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.setLevel(level); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicWidth() { 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantWidth(); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getIntrinsicWidth() : -1; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicHeight() { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantHeight(); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getIntrinsicHeight() : -1; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getMinimumWidth() { 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantMinimumWidth(); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getMinimumWidth() : 0; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getMinimumHeight() { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantMinimumHeight(); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getMinimumHeight() : 0; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void invalidateDrawable(Drawable who) { 240f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 241f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().invalidateDrawable(this); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 245079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void scheduleDrawable(Drawable who, Runnable what, long when) { 246f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 247f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().scheduleDrawable(this, what, when); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 251079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void unscheduleDrawable(Drawable who, Runnable what) { 252f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 253f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().unscheduleDrawable(this, what); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean setVisible(boolean visible, boolean restart) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = super.setVisible(visible, restart); 260079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 261079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(visible, restart); 262079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.setVisible(visible, restart); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOpacity() { 27183b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy return mCurrDrawable == null || !mCurrDrawable.isVisible() ? PixelFormat.TRANSPARENT : 27283b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy mDrawableContainerState.getOpacity(); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27578aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne public boolean selectDrawable(int idx) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (idx == mCurIndex) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 279079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 280079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final long now = SystemClock.uptimeMillis(); 281079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 282079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " from " + mCurIndex + " to " + idx 283079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn + ": exit=" + mDrawableContainerState.mExitFadeDuration 284079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn + " enter=" + mDrawableContainerState.mEnterFadeDuration); 285079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 286079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mDrawableContainerState.mExitFadeDuration > 0) { 287079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 288079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(false, false); 289079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 291079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = mCurrDrawable; 292079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = now + mDrawableContainerState.mExitFadeDuration; 293079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 294079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 295079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 297079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mCurrDrawable != null) { 298079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.setVisible(false, false); 299079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 300079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 301079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (idx >= 0 && idx < mDrawableContainerState.mNumChildren) { 302079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn Drawable d = mDrawableContainerState.mDrawables[idx]; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable = d; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurIndex = idx; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 306079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mDrawableContainerState.mEnterFadeDuration > 0) { 307079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = now + mDrawableContainerState.mEnterFadeDuration; 308079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 309079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn d.setAlpha(mAlpha); 310079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setVisible(isVisible(), true); 312a41581ed4033004c73115113f45b9844e9b0210fRomain Guy d.setDither(mDrawableContainerState.mDither); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setColorFilter(mColorFilter); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getState()); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setLevel(getLevel()); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setBounds(getBounds()); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable = null; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurIndex = -1; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 322079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 323079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0 || mExitAnimationEnd != 0) { 324079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mAnimationRunnable == null) { 325079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mAnimationRunnable = new Runnable() { 326079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn @Override public void run() { 327079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(true); 328079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn invalidateSelf(); 329079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 330079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn }; 331079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 332079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn unscheduleSelf(mAnimationRunnable); 333079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 334079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // Compute first frame and schedule next animation. 335079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(true); 336079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 337079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidateSelf(); 339079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 343079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void animate(boolean schedule) { 344079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final long now = SystemClock.uptimeMillis(); 345079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean animating = false; 346079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mCurrDrawable != null) { 347079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0) { 348079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd <= now) { 349079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.setAlpha(mAlpha); 350079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 351079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 352079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int animAlpha = (int)((mEnterAnimationEnd-now)*255) 353079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn / mDrawableContainerState.mEnterFadeDuration; 354079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " cur alpha " + animAlpha); 355079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.setAlpha(((255-animAlpha)*mAlpha)/255); 356079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animating = true; 357079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 358079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 359079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 360079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 361079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 362079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 363079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd != 0) { 364079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd <= now) { 365079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(false, false); 366079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 367079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 368079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 369079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int animAlpha = (int)((mExitAnimationEnd-now)*255) 370079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn / mDrawableContainerState.mExitFadeDuration; 371079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " last alpha " + animAlpha); 372079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setAlpha((animAlpha*mAlpha)/255); 373079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animating = true; 374079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 375079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 376079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 377079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 378079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 379079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 380079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (schedule && animating) { 381079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scheduleSelf(mAnimationRunnable, now + 1000/60); 382079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 383079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 384079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getCurrent() { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ConstantState getConstantState() { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.canConstantState()) { 3936efd2bad954e0e5bd74916a32f036a0f149dcd4dChristopher Lais mDrawableContainerState.mChangingConfigurations = getChangingConfigurations(); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable mutate() { 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mMutated && super.mutate() == this) { 4026be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach final int N = mDrawableContainerState.getChildCount(); 4036be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach final Drawable[] drawables = mDrawableContainerState.getChildren(); 4046be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach for (int i = 0; i < N; i++) { 4051010ac9b7c52b1e2a64e8e1f4dcdb4d79f4d32ccRomain Guy if (drawables[i] != null) drawables[i].mutate(); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMutated = true; 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41278aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne /** 41378aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * A ConstantState that can contain several {@link Drawable}s. 41478aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * 41578aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * This class was made public to enable testing, and its visibility may change in a future 41678aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * release. 41778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne */ 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract static class DrawableContainerState extends ConstantState { 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final DrawableContainer mOwner; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChangingConfigurations; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChildrenChangingConfigurations; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable[] mDrawables; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mNumChildren; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mVariablePadding = false; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mConstantPadding = null; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mConstantSize = false; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mComputedConstantSize = false; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantWidth; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantHeight; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantMinimumWidth; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantMinimumHeight; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveOpacity = false; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mOpacity; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveStateful = false; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStateful; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCheckedConstantState; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCanConstantState; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4465140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy boolean mPaddingChecked = false; 447a41581ed4033004c73115113f45b9844e9b0210fRomain Guy 448a41581ed4033004c73115113f45b9844e9b0210fRomain Guy boolean mDither = DEFAULT_DITHER; 4495140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy 450079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mEnterFadeDuration; 451079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mExitFadeDuration; 452079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 453c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn DrawableContainerState(DrawableContainerState orig, DrawableContainer owner, 454c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn Resources res) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwner = owner; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig != null) { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChangingConfigurations = orig.mChangingConfigurations; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenChangingConfigurations = orig.mChildrenChangingConfigurations; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable[] origDr = orig.mDrawables; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = new Drawable[origDr.length]; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren = orig.mNumChildren; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = mNumChildren; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<N; i++) { 468c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn if (res != null) { 469c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawables[i] = origDr[i].getConstantState().newDrawable(res); 470c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } else { 471c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawables[i] = origDr[i].getConstantState().newDrawable(); 472c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables[i].setCallback(owner); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = mCanConstantState = true; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVariablePadding = orig.mVariablePadding; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig.mConstantPadding != null) { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantPadding = new Rect(orig.mConstantPadding); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantSize = orig.mConstantSize; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = orig.mComputedConstantSize; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantWidth = orig.mConstantWidth; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantHeight = orig.mConstantHeight; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = orig.mHaveOpacity; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpacity = orig.mOpacity; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = orig.mHaveStateful; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStateful = orig.mStateful; 490a41581ed4033004c73115113f45b9844e9b0210fRomain Guy 491a41581ed4033004c73115113f45b9844e9b0210fRomain Guy mDither = orig.mDither; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 493079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterFadeDuration = orig.mEnterFadeDuration; 494079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitFadeDuration = orig.mExitFadeDuration; 495079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = new Drawable[10]; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren = 0; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = mCanConstantState = false; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChangingConfigurations; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int addChild(Drawable dr) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int pos = mNumChildren; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos >= mDrawables.length) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project growArray(pos, pos+10); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setVisible(false, true); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setCallback(mOwner); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables[pos] = dr; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren++; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenChangingConfigurations |= dr.getChangingConfigurations(); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = false; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = false; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantPadding = null; 5255140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy mPaddingChecked = false; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = false; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pos; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53183b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getChildCount() { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumChildren; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53583b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final Drawable[] getChildren() { 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawables; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** A boolean value indicating whether to use the maximum padding value of 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all frames in the set (false), or to use the padding value of the frame 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being shown (true). Default value is false. 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 54383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final void setVariablePadding(boolean variable) { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVariablePadding = variable; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54783b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final Rect getConstantPadding() { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVariablePadding) { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5515140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy if (mConstantPadding != null || mPaddingChecked) { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantPadding; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5555140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy Rect r = null; 55683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Rect t = new Rect(); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 55883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 55983b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 0; i < N; i++) { 56083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy if (drawables[i].getPadding(t)) { 5615140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy if (r == null) r = new Rect(0, 0, 0, 0); 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.left > r.left) r.left = t.left; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.top > r.top) r.top = t.top; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.right > r.right) r.right = t.right; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.bottom > r.bottom) r.bottom = t.bottom; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5685140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy mPaddingChecked = true; 5695140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy return (mConstantPadding = r); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57283b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final void setConstantSize(boolean constant) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantSize = constant; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final boolean isConstantSize() { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantSize; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantWidth() { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantWidth; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantHeight() { 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantHeight; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantMinimumWidth() { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantMinimumWidth; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60483b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantMinimumHeight() { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantMinimumHeight; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61278aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne protected void computeConstantSize() { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = true; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 61683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 61778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne mConstantWidth = mConstantHeight = -1; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantMinimumWidth = mConstantMinimumHeight = 0; 61983b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 0; i < N; i++) { 62083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy Drawable dr = drawables[i]; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int s = dr.getIntrinsicWidth(); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantWidth) mConstantWidth = s; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getIntrinsicHeight(); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantHeight) mConstantHeight = s; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getMinimumWidth(); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantMinimumWidth) mConstantMinimumWidth = s; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getMinimumHeight(); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantMinimumHeight) mConstantMinimumHeight = s; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 632079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final void setEnterFadeDuration(int duration) { 633079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterFadeDuration = duration; 634079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 635079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 636079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final int getEnterFadeDuration() { 637079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mEnterFadeDuration; 638079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 639079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 640079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final void setExitFadeDuration(int duration) { 641079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitFadeDuration = duration; 642079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 643079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 644079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final int getExitFadeDuration() { 645079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mExitFadeDuration; 646079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 647079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 64883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getOpacity() { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveOpacity) { 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOpacity; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 65483b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 65583b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy int op = N > 0 ? drawables[0].getOpacity() : PixelFormat.TRANSPARENT; 65683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 1; i < N; i++) { 65783b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy op = Drawable.resolveOpacity(op, drawables[i].getOpacity()); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpacity = op; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = true; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return op; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isStateful() { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveStateful) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStateful; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stateful = false; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < N; i++) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawables[i].isStateful()) { 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stateful = true; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStateful = stateful; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = true; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return stateful; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 68383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public void growArray(int oldSize, int newSize) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable[] newDrawables = new Drawable[newSize]; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mDrawables, 0, newDrawables, 0, oldSize); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = newDrawables; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized boolean canConstantState() { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mCheckedConstantState) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanConstantState = true; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = mNumChildren; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<N; i++) { 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawables[i].getConstantState() == null) { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanConstantState = false; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = true; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCanConstantState; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setConstantState(DrawableContainerState state) 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableContainerState = state; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 711