131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17325dc23624160689e59fbac708cf6f222b20d025Daniel Sandlerpackage com.android.launcher3; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurkaimport android.app.Activity; 20a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurkaimport android.content.ActivityNotFoundException; 21aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.Context; 22a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurkaimport android.content.Intent; 23aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.Resources; 2431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Bitmap; 251291a8c236c84451321438cb68855f6f2eb24959Joe Onoratoimport android.graphics.BlurMaskFilter; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 2756d8291af6a28c6ba64113120efdf84a785e816cJoe Onoratoimport android.graphics.ColorMatrix; 2856d8291af6a28c6ba64113120efdf84a785e816cJoe Onoratoimport android.graphics.ColorMatrixColorFilter; 29c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chungimport android.graphics.Matrix; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Paint; 31bf15cb44cc8e5ea9a19ab8aaee8e02c96bd6130cJoe Onoratoimport android.graphics.PaintFlagsDrawFilter; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 33aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.drawable.BitmapDrawable; 34aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.drawable.Drawable; 35aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.drawable.PaintDrawable; 3632ce7f17a85abf9b175f773371308876f7401547Dianne Hackbornimport android.util.DisplayMetrics; 37a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurkaimport android.util.Log; 38c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chungimport android.view.View; 39a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurkaimport android.widget.Toast; 40c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 41c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chungimport java.util.ArrayList; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Various utilities shared amongst the Launcher's classes. 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectfinal class Utilities { 471291a8c236c84451321438cb68855f6f2eb24959Joe Onorato private static final String TAG = "Launcher.Utilities"; 481291a8c236c84451321438cb68855f6f2eb24959Joe Onorato 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static int sIconWidth = -1; 5031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static int sIconHeight = -1; 5161f560d92ab4b11a61beeb8df97b9952027e08e4Adam Cohen public static int sIconTextureWidth = -1; 5261f560d92ab4b11a61beeb8df97b9952027e08e4Adam Cohen public static int sIconTextureHeight = -1; 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 541291a8c236c84451321438cb68855f6f2eb24959Joe Onorato private static final Paint sBlurPaint = new Paint(); 55eb8325a9e24cda47720152e1e95f5d86ab11f200Joe Onorato private static final Paint sGlowColorPressedPaint = new Paint(); 56c61cff9299a54599c2b214de7c819b6be0412f4eJoe Onorato private static final Paint sGlowColorFocusedPaint = new Paint(); 5756d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato private static final Paint sDisabledPaint = new Paint(); 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final Rect sOldBounds = new Rect(); 5989911d2450f5db92d79e3bcefa9d324e9e8c4900Romain Guy private static final Canvas sCanvas = new Canvas(); 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static { 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG, 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Paint.FILTER_BITMAP_FLAG)); 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 656665c0f1fec6ec0962896622986340081df992e7Joe Onorato static int sColors[] = { 0xffff0000, 0xff00ff00, 0xff0000ff }; 666665c0f1fec6ec0962896622986340081df992e7Joe Onorato static int sColorIndex = 0; 676665c0f1fec6ec0962896622986340081df992e7Joe Onorato 686665c0f1fec6ec0962896622986340081df992e7Joe Onorato /** 690dbd734384df38960515ce49dfcb5e15a394decaWinson Chung * Returns a FastBitmapDrawable with the icon, accurately sized. 700dbd734384df38960515ce49dfcb5e15a394decaWinson Chung */ 710dbd734384df38960515ce49dfcb5e15a394decaWinson Chung static Drawable createIconDrawable(Bitmap icon) { 720dbd734384df38960515ce49dfcb5e15a394decaWinson Chung FastBitmapDrawable d = new FastBitmapDrawable(icon); 73540004905a555087e72691aad4479aa52ab5460eWinson Chung d.setFilterBitmap(true); 740dbd734384df38960515ce49dfcb5e15a394decaWinson Chung resizeIconDrawable(d); 750dbd734384df38960515ce49dfcb5e15a394decaWinson Chung return d; 760dbd734384df38960515ce49dfcb5e15a394decaWinson Chung } 770dbd734384df38960515ce49dfcb5e15a394decaWinson Chung 780dbd734384df38960515ce49dfcb5e15a394decaWinson Chung /** 790dbd734384df38960515ce49dfcb5e15a394decaWinson Chung * Resizes an icon drawable to the correct icon size. 800dbd734384df38960515ce49dfcb5e15a394decaWinson Chung */ 810dbd734384df38960515ce49dfcb5e15a394decaWinson Chung static void resizeIconDrawable(Drawable icon) { 820dbd734384df38960515ce49dfcb5e15a394decaWinson Chung icon.setBounds(0, 0, sIconTextureWidth, sIconTextureHeight); 830dbd734384df38960515ce49dfcb5e15a394decaWinson Chung } 840dbd734384df38960515ce49dfcb5e15a394decaWinson Chung 850dbd734384df38960515ce49dfcb5e15a394decaWinson Chung /** 86931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka * Returns a bitmap suitable for the all apps view. Used to convert pre-ICS 87931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka * icon bitmaps that are stored in the database (which were 74x74 pixels at hdpi size) 88931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka * to the proper size (48dp) 89931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka */ 90931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka static Bitmap createIconBitmap(Bitmap icon, Context context) { 91931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka int textureWidth = sIconTextureWidth; 92931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka int textureHeight = sIconTextureHeight; 93931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka int sourceWidth = icon.getWidth(); 94931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka int sourceHeight = icon.getHeight(); 95931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka if (sourceWidth > textureWidth && sourceHeight > textureHeight) { 96931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka // Icon is bigger than it should be; clip it (solves the GB->ICS migration case) 97931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka return Bitmap.createBitmap(icon, 98931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka (sourceWidth - textureWidth) / 2, 99931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka (sourceHeight - textureHeight) / 2, 100931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka textureWidth, textureHeight); 101931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka } else if (sourceWidth == textureWidth && sourceHeight == textureHeight) { 102931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka // Icon is the right size, no need to change it 103931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka return icon; 104931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka } else { 105931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka // Icon is too small, render to a larger bitmap 1063a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka final Resources resources = context.getResources(); 1073a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka return createIconBitmap(new BitmapDrawable(resources, icon), context); 108931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka } 109931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka } 110931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka 111931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka /** 112931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka * Returns a bitmap suitable for the all apps view. 1136665c0f1fec6ec0962896622986340081df992e7Joe Onorato */ 1140589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato static Bitmap createIconBitmap(Drawable icon, Context context) { 1156665c0f1fec6ec0962896622986340081df992e7Joe Onorato synchronized (sCanvas) { // we share the statics :-( 1166665c0f1fec6ec0962896622986340081df992e7Joe Onorato if (sIconWidth == -1) { 1176665c0f1fec6ec0962896622986340081df992e7Joe Onorato initStatics(context); 1186665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1196665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1206665c0f1fec6ec0962896622986340081df992e7Joe Onorato int width = sIconWidth; 1216665c0f1fec6ec0962896622986340081df992e7Joe Onorato int height = sIconHeight; 1226665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1236665c0f1fec6ec0962896622986340081df992e7Joe Onorato if (icon instanceof PaintDrawable) { 1246665c0f1fec6ec0962896622986340081df992e7Joe Onorato PaintDrawable painter = (PaintDrawable) icon; 1256665c0f1fec6ec0962896622986340081df992e7Joe Onorato painter.setIntrinsicWidth(width); 1266665c0f1fec6ec0962896622986340081df992e7Joe Onorato painter.setIntrinsicHeight(height); 1276665c0f1fec6ec0962896622986340081df992e7Joe Onorato } else if (icon instanceof BitmapDrawable) { 1286665c0f1fec6ec0962896622986340081df992e7Joe Onorato // Ensure the bitmap has a density. 1296665c0f1fec6ec0962896622986340081df992e7Joe Onorato BitmapDrawable bitmapDrawable = (BitmapDrawable) icon; 1306665c0f1fec6ec0962896622986340081df992e7Joe Onorato Bitmap bitmap = bitmapDrawable.getBitmap(); 1316665c0f1fec6ec0962896622986340081df992e7Joe Onorato if (bitmap.getDensity() == Bitmap.DENSITY_NONE) { 1326665c0f1fec6ec0962896622986340081df992e7Joe Onorato bitmapDrawable.setTargetDensity(context.getResources().getDisplayMetrics()); 1336665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1346665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1356665c0f1fec6ec0962896622986340081df992e7Joe Onorato int sourceWidth = icon.getIntrinsicWidth(); 1366665c0f1fec6ec0962896622986340081df992e7Joe Onorato int sourceHeight = icon.getIntrinsicHeight(); 137931dc9779dab5071efc21163647f5f004991bfb3Michael Jurka if (sourceWidth > 0 && sourceHeight > 0) { 1385f8afe6280eae34620067696173e71943e1a30a3Winson Chung // Scale the icon proportionally to the icon dimensions 1395f8afe6280eae34620067696173e71943e1a30a3Winson Chung final float ratio = (float) sourceWidth / sourceHeight; 1405f8afe6280eae34620067696173e71943e1a30a3Winson Chung if (sourceWidth > sourceHeight) { 1415f8afe6280eae34620067696173e71943e1a30a3Winson Chung height = (int) (width / ratio); 1425f8afe6280eae34620067696173e71943e1a30a3Winson Chung } else if (sourceHeight > sourceWidth) { 1435f8afe6280eae34620067696173e71943e1a30a3Winson Chung width = (int) (height * ratio); 1446665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1456665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1466665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1476665c0f1fec6ec0962896622986340081df992e7Joe Onorato // no intrinsic size --> use default size 1486665c0f1fec6ec0962896622986340081df992e7Joe Onorato int textureWidth = sIconTextureWidth; 1496665c0f1fec6ec0962896622986340081df992e7Joe Onorato int textureHeight = sIconTextureHeight; 1506665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1516665c0f1fec6ec0962896622986340081df992e7Joe Onorato final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight, 1526665c0f1fec6ec0962896622986340081df992e7Joe Onorato Bitmap.Config.ARGB_8888); 1536665c0f1fec6ec0962896622986340081df992e7Joe Onorato final Canvas canvas = sCanvas; 1546665c0f1fec6ec0962896622986340081df992e7Joe Onorato canvas.setBitmap(bitmap); 1556665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1566665c0f1fec6ec0962896622986340081df992e7Joe Onorato final int left = (textureWidth-width) / 2; 1576665c0f1fec6ec0962896622986340081df992e7Joe Onorato final int top = (textureHeight-height) / 2; 1586665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1593a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka @SuppressWarnings("all") // suppress dead code warning 1603a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka final boolean debug = false; 1613a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka if (debug) { 1626665c0f1fec6ec0962896622986340081df992e7Joe Onorato // draw a big box for the icon for debugging 1636665c0f1fec6ec0962896622986340081df992e7Joe Onorato canvas.drawColor(sColors[sColorIndex]); 1646665c0f1fec6ec0962896622986340081df992e7Joe Onorato if (++sColorIndex >= sColors.length) sColorIndex = 0; 1656665c0f1fec6ec0962896622986340081df992e7Joe Onorato Paint debugPaint = new Paint(); 1666665c0f1fec6ec0962896622986340081df992e7Joe Onorato debugPaint.setColor(0xffcccc00); 1676665c0f1fec6ec0962896622986340081df992e7Joe Onorato canvas.drawRect(left, top, left+width, top+height, debugPaint); 1686665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1696665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1706665c0f1fec6ec0962896622986340081df992e7Joe Onorato sOldBounds.set(icon.getBounds()); 1716665c0f1fec6ec0962896622986340081df992e7Joe Onorato icon.setBounds(left, top, left+width, top+height); 1726665c0f1fec6ec0962896622986340081df992e7Joe Onorato icon.draw(canvas); 1736665c0f1fec6ec0962896622986340081df992e7Joe Onorato icon.setBounds(sOldBounds); 174aaf473c2bb6329b3b09ed2e19de6aae26077050cAdam Cohen canvas.setBitmap(null); 1756665c0f1fec6ec0962896622986340081df992e7Joe Onorato 1766665c0f1fec6ec0962896622986340081df992e7Joe Onorato return bitmap; 1776665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1786665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 1796665c0f1fec6ec0962896622986340081df992e7Joe Onorato 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns a Bitmap representing the thumbnail of the specified Bitmap. 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param bitmap The bitmap to get a thumbnail of. 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return A thumbnail for the specified bitmap or the bitmap itself if the 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * thumbnail could not be created. 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1890589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato static Bitmap resampleIconBitmap(Bitmap bitmap, Context context) { 1909c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato synchronized (sCanvas) { // we share the statics :-( 1919c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato if (sIconWidth == -1) { 1926665c0f1fec6ec0962896622986340081df992e7Joe Onorato initStatics(context); 1939c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato } 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1950589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (bitmap.getWidth() == sIconWidth && bitmap.getHeight() == sIconHeight) { 1960589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato return bitmap; 1970589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato } else { 1983a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka final Resources resources = context.getResources(); 1993a9fcedbcd235372cd2ab64f825a0b5b3937f59eMichael Jurka return createIconBitmap(new BitmapDrawable(resources, bitmap), context); 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 203bf15cb44cc8e5ea9a19ab8aaee8e02c96bd6130cJoe Onorato 204c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung /** 205c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * Given a coordinate relative to the descendant, find the coordinate in a parent view's 206c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * coordinates. 207c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * 208c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * @param descendant The descendant to which the passed coordinate is relative. 209c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * @param root The root view to make the coordinates relative to. 210c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * @param coord The coordinate that we want mapped. 211c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * @param includeRootScroll Whether or not to account for the scroll of the descendant: 212c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * sometimes this is relevant as in a child's coordinates within the descendant. 213c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * @return The factor by which this descendant is scaled relative to this DragLayer. Caution 214c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * this scale factor is assumed to be equal in X and Y, and so if at any point this 215c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * assumption fails, we will need to return a pair of scale factors. 216c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung */ 217c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung public static float getDescendantCoordRelativeToParent(View descendant, View root, 218c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung int[] coord, boolean includeRootScroll) { 219c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ArrayList<View> ancestorChain = new ArrayList<View>(); 220c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 221c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung float[] pt = {coord[0], coord[1]}; 222c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 223c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung View v = descendant; 224c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung while(v != root && v != null) { 225c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ancestorChain.add(v); 226c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung v = (View) v.getParent(); 227c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 228c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ancestorChain.add(root); 229c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 230c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung float scale = 1.0f; 231c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung int count = ancestorChain.size(); 232c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung for (int i = 0; i < count; i++) { 233c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung View v0 = ancestorChain.get(i); 234c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung // For TextViews, scroll has a meaning which relates to the text position 235c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung // which is very strange... ignore the scroll. 236c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung if (v0 != descendant || includeRootScroll) { 237c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[0] -= v0.getScrollX(); 238c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[1] -= v0.getScrollY(); 239c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 240c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 241c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung v0.getMatrix().mapPoints(pt); 242c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[0] += v0.getLeft(); 243c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[1] += v0.getTop(); 244c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung scale *= v0.getScaleX(); 245c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 246c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 247c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung coord[0] = (int) Math.round(pt[0]); 248c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung coord[1] = (int) Math.round(pt[1]); 249c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung return scale; 250c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 251c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 252c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung /** 253c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung * Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}. 254c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung */ 255c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung public static float mapCoordInSelfToDescendent(View descendant, View root, 256c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung int[] coord) { 257c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ArrayList<View> ancestorChain = new ArrayList<View>(); 258c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 259c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung float[] pt = {coord[0], coord[1]}; 260c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 261c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung View v = descendant; 262c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung while(v != root) { 263c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ancestorChain.add(v); 264c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung v = (View) v.getParent(); 265c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 266c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung ancestorChain.add(root); 267c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 268c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung float scale = 1.0f; 269c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung Matrix inverse = new Matrix(); 270c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung int count = ancestorChain.size(); 271c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung for (int i = count - 1; i >= 0; i--) { 272c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung View ancestor = ancestorChain.get(i); 273c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung View next = i > 0 ? ancestorChain.get(i-1) : null; 274c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 275c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[0] += ancestor.getScrollX(); 276c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[1] += ancestor.getScrollY(); 277c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 278c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung if (next != null) { 279c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[0] -= next.getLeft(); 280c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung pt[1] -= next.getTop(); 281c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung next.getMatrix().invert(inverse); 282c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung inverse.mapPoints(pt); 283c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung scale *= next.getScaleX(); 284c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 285c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 286c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 287c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung coord[0] = (int) Math.round(pt[0]); 288c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung coord[1] = (int) Math.round(pt[1]); 289c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung return scale; 290c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung } 291c763c4e4d28c256d1368be3fc1c4526c8b9bd232Winson Chung 2926665c0f1fec6ec0962896622986340081df992e7Joe Onorato private static void initStatics(Context context) { 2936665c0f1fec6ec0962896622986340081df992e7Joe Onorato final Resources resources = context.getResources(); 2941291a8c236c84451321438cb68855f6f2eb24959Joe Onorato final DisplayMetrics metrics = resources.getDisplayMetrics(); 2951291a8c236c84451321438cb68855f6f2eb24959Joe Onorato final float density = metrics.density; 2961291a8c236c84451321438cb68855f6f2eb24959Joe Onorato 297c9a961952d1a057029874f8426b90181f6876034Michael Jurka sIconWidth = sIconHeight = (int) resources.getDimension(R.dimen.app_icon_size); 2984b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung sIconTextureWidth = sIconTextureHeight = sIconWidth; 2991291a8c236c84451321438cb68855f6f2eb24959Joe Onorato 300a4c0cb965575b7a0832d92bc0b33e06c7c66cb10Joe Onorato sBlurPaint.setMaskFilter(new BlurMaskFilter(5 * density, BlurMaskFilter.Blur.NORMAL)); 301eb8325a9e24cda47720152e1e95f5d86ab11f200Joe Onorato sGlowColorPressedPaint.setColor(0xffffc300); 302c61cff9299a54599c2b214de7c819b6be0412f4eJoe Onorato sGlowColorFocusedPaint.setColor(0xffff8e00); 30356d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato 30456d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato ColorMatrix cm = new ColorMatrix(); 30556d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato cm.setSaturation(0.2f); 30656d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato sDisabledPaint.setColorFilter(new ColorMatrixColorFilter(cm)); 30756d8291af6a28c6ba64113120efdf84a785e816cJoe Onorato sDisabledPaint.setAlpha(0x88); 3086665c0f1fec6ec0962896622986340081df992e7Joe Onorato } 3096665c0f1fec6ec0962896622986340081df992e7Joe Onorato 3105f8afe6280eae34620067696173e71943e1a30a3Winson Chung public static void setIconSize(int widthPx) { 3115f8afe6280eae34620067696173e71943e1a30a3Winson Chung sIconWidth = sIconHeight = widthPx; 3125f8afe6280eae34620067696173e71943e1a30a3Winson Chung sIconTextureWidth = sIconTextureHeight = widthPx; 31397d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung } 314a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka 3153a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung public static void scaleRect(Rect r, float scale) { 3163a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung if (scale != 1.0f) { 3173a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.left = (int) (r.left * scale + 0.5f); 3183a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.top = (int) (r.top * scale + 0.5f); 3193a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.right = (int) (r.right * scale + 0.5f); 3203a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.bottom = (int) (r.bottom * scale + 0.5f); 3213a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung } 3223a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung } 3233a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung 3243a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung public static void scaleRectAboutCenter(Rect r, float scale) { 3253a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung int cx = r.centerX(); 3263a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung int cy = r.centerY(); 3273a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.offset(-cx, -cy); 3283a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung Utilities.scaleRect(r, scale); 3293a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung r.offset(cx, cy); 3303a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung } 3313a6e7f330e680ef718ca7c0921d842efb4d8bbaeWinson Chung 332a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka public static void startActivityForResultSafely( 333a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka Activity activity, Intent intent, int requestCode) { 334a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka try { 335a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka activity.startActivityForResult(intent, requestCode); 336a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka } catch (ActivityNotFoundException e) { 337a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 338a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka } catch (SecurityException e) { 339a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); 340a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka Log.e(TAG, "Launcher does not have the permission to launch " + intent + 341a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka ". Make sure to create a MAIN intent-filter for the corresponding activity " + 342a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka "or use the exported attribute for this activity.", e); 343a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka } 344a805e1a297c0d1fa84d9fed51e0167aa32bd42bbMichael Jurka } 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 346