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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParser; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParserException; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.*; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A Drawable that changes the size of another Drawable based on its current 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * level value. You can control how much the child Drawable changes in width 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and height based on the level, as well as a gravity to control where it is 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * placed in its overall container. Most often used to implement things like 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * progress bars. 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37dfe5c204403bc56c29bb36410574eab8b1950417Scott Main * <p>It can be defined in an XML file with the <code><scale></code> element. For more 38dfe5c204403bc56c29bb36410574eab8b1950417Scott Main * information, see the guide to <a 39dfe5c204403bc56c29bb36410574eab8b1950417Scott Main * href="{@docRoot}guide/topics/resources/drawable-resource.html">Drawable Resources</a>.</p> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ScaleDrawable_scaleWidth 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ScaleDrawable_scaleHeight 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ScaleDrawable_scaleGravity 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#ScaleDrawable_drawable 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ScaleDrawable extends Drawable implements Drawable.Callback { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ScaleState mScaleState; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMutated; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Rect mTmpRect = new Rect(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ScaleDrawable() { 52c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn this(null, null); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ScaleDrawable(Drawable drawable, int gravity, float scaleWidth, float scaleHeight) { 56c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn this(null, null); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable = drawable; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mGravity = gravity; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mScaleWidth = scaleWidth; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mScaleHeight = scaleHeight; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (drawable != null) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawable.setCallback(this); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the drawable scaled by this ScaleDrawable. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getDrawable() { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static float getPercent(TypedArray a, int name) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = a.getString(name); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s != null) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s.endsWith("%")) { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String f = s.substring(0, s.length() - 1); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Float.parseFloat(f) / 100.0f; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs) 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws XmlPullParserException, IOException { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.inflate(r, parser, attrs); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = r.obtainAttributes(attrs, com.android.internal.R.styleable.ScaleDrawable); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sw = getPercent(a, com.android.internal.R.styleable.ScaleDrawable_scaleWidth); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float sh = getPercent(a, com.android.internal.R.styleable.ScaleDrawable_scaleHeight); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int g = a.getInt(com.android.internal.R.styleable.ScaleDrawable_scaleGravity, Gravity.LEFT); 98021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell boolean min = a.getBoolean( 99021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell com.android.internal.R.styleable.ScaleDrawable_useIntrinsicSizeAsMinimum, false); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable dr = a.getDrawable(com.android.internal.R.styleable.ScaleDrawable_drawable); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int outerDepth = parser.getDepth(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr = Drawable.createFromXmlInner(r, parser, attrs); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr == null) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("No drawable specified for <scale>"); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable = dr; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mScaleWidth = sw; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mScaleHeight = sh; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mGravity = g; 121021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell mScaleState.mUseIntrinsicSizeAsMin = min; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dr != null) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setCallback(this); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // overrides from Drawable.Callback 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void invalidateDrawable(Drawable who) { 130f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (getCallback() != null) { 131f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().invalidateDrawable(this); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void scheduleDrawable(Drawable who, Runnable what, long when) { 136f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (getCallback() != null) { 137f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().scheduleDrawable(this, what, when); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unscheduleDrawable(Drawable who, Runnable what) { 142f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (getCallback() != null) { 143f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().unscheduleDrawable(this, what); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // overrides from Drawable 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleState.mDrawable.getLevel() != 0) 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.draw(canvas); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getChangingConfigurations() 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mScaleState.mChangingConfigurations 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mScaleState.mDrawable.getChangingConfigurations(); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getPadding(Rect padding) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX need to adjust padding! 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable.getPadding(padding); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean setVisible(boolean visible, boolean restart) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.setVisible(visible, restart); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.setVisible(visible, restart); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.setAlpha(alpha); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.setColorFilter(cf); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOpacity() { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable.getOpacity(); 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStateful() { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable.isStateful(); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onStateChange(int[] state) { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = mScaleState.mDrawable.setState(state); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onBoundsChange(getBounds()); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onLevelChange(int level) { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.setLevel(level); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onBoundsChange(getBounds()); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidateSelf(); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onBoundsChange(Rect bounds) { 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect r = mTmpRect; 212021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell final boolean min = mScaleState.mUseIntrinsicSizeAsMin; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int level = getLevel(); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = bounds.width(); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleState.mScaleWidth > 0) { 216021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell final int iw = min ? mScaleState.mDrawable.getIntrinsicWidth() : 0; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w -= (int) ((w - iw) * (10000 - level) * mScaleState.mScaleWidth / 10000); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = bounds.height(); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleState.mScaleHeight > 0) { 221021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell final int ih = min ? mScaleState.mDrawable.getIntrinsicHeight() : 0; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h -= (int) ((h - ih) * (10000 - level) * mScaleState.mScaleHeight / 10000); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 224b03b434089cf2106c467b2827a65e5c589c91d01Fabrice Di Meglio final int layoutDirection = getLayoutDirection(); 225c0053223bedf33581b0830fb87be32c1f26e5372Fabrice Di Meglio Gravity.apply(mScaleState.mGravity, w, h, bounds, r, layoutDirection); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w > 0 && h > 0) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.setBounds(r.left, r.top, r.right, r.bottom); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicWidth() { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable.getIntrinsicWidth(); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicHeight() { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState.mDrawable.getIntrinsicHeight(); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ConstantState getConstantState() { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mScaleState.canConstantState()) { 2456efd2bad954e0e5bd74916a32f036a0f149dcd4dChristopher Lais mScaleState.mChangingConfigurations = getChangingConfigurations(); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScaleState; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable mutate() { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mMutated && super.mutate() == this) { 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleState.mDrawable.mutate(); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMutated = true; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final static class ScaleState extends ConstantState { 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable mDrawable; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChangingConfigurations; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float mScaleWidth; 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float mScaleHeight; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mGravity; 266021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell boolean mUseIntrinsicSizeAsMin; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mCheckedConstantState; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mCanConstantState; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 271c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn ScaleState(ScaleState orig, ScaleDrawable owner, Resources res) { 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig != null) { 273c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn if (res != null) { 274c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawable = orig.mDrawable.getConstantState().newDrawable(res); 275c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } else { 276c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawable = orig.mDrawable.getConstantState().newDrawable(); 277c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setCallback(owner); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleWidth = orig.mScaleWidth; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mScaleHeight = orig.mScaleHeight; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGravity = orig.mGravity; 282021aad952bee3ac9ee4a98c09f1a012359088dd2Adam Powell mUseIntrinsicSizeAsMin = orig.mUseIntrinsicSizeAsMin; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = mCanConstantState = true; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable newDrawable() { 289c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn return new ScaleDrawable(this, null); 290c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } 291c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn 292c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn @Override 293c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn public Drawable newDrawable(Resources res) { 294c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn return new ScaleDrawable(this, res); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChangingConfigurations; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean canConstantState() { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mCheckedConstantState) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanConstantState = mDrawable.getConstantState() != null; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = true; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCanConstantState; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 312c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn private ScaleDrawable(ScaleState state, Resources res) { 313c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mScaleState = new ScaleState(state, this, res); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 317