Merge "docs: fix typo" into qt-dev
diff --git a/core/java/android/content/SyncStats.java b/core/java/android/content/SyncStats.java
index 03b2250e..9596a60 100644
--- a/core/java/android/content/SyncStats.java
+++ b/core/java/android/content/SyncStats.java
@@ -58,7 +58,7 @@
* attempted to update or delete a version of a resource on the server. This is expected
* to clear itself automatically once the new state is retrieved from the server,
* though it may remain until the user intervenes manually, perhaps by clearing the
- * local storage and starting over frmo scratch. This is considered a hard error.
+ * local storage and starting over from scratch. This is considered a hard error.
*/
public long numConflictDetectedExceptions;
diff --git a/core/java/android/net/nsd/NsdManager.java b/core/java/android/net/nsd/NsdManager.java
index 535bf67..64f20b8 100644
--- a/core/java/android/net/nsd/NsdManager.java
+++ b/core/java/android/net/nsd/NsdManager.java
@@ -49,8 +49,8 @@
* limited to a local network over Multicast DNS. DNS service discovery is described at
* http://files.dns-sd.org/draft-cheshire-dnsext-dns-sd.txt
*
- * <p> The API is asynchronous and responses to requests from an application are on listener
- * callbacks on a seperate internal thread.
+ * <p> The API is asynchronous, and responses to requests from an application are on listener
+ * callbacks on a separate internal thread.
*
* <p> There are three main operations the API supports - registration, discovery and resolution.
* <pre>
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index e3db475..3742fb5 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -492,7 +492,7 @@
*
* <p>
* To initiate a layout, call {@link #requestLayout}. This method is typically
- * called by a view on itself when it believes that is can no longer fit within
+ * called by a view on itself when it believes that it can no longer fit within
* its current bounds.
* </p>
*
@@ -2782,7 +2782,7 @@
/**
* Default for the root view. The gravity determines the text alignment, ALIGN_NORMAL,
- * ALIGN_CENTER, or ALIGN_OPPOSITE, which are relative to each paragraph’s text direction.
+ * ALIGN_CENTER, or ALIGN_OPPOSITE, which are relative to each paragraph's text direction.
*
* Use with {@link #setTextAlignment(int)}
*/
@@ -2810,7 +2810,7 @@
public static final int TEXT_ALIGNMENT_CENTER = 4;
/**
- * Align to the start of the view, which is ALIGN_LEFT if the view’s resolved
+ * Align to the start of the view, which is ALIGN_LEFT if the view's resolved
* layoutDirection is LTR, and ALIGN_RIGHT otherwise.
*
* Use with {@link #setTextAlignment(int)}
@@ -2818,7 +2818,7 @@
public static final int TEXT_ALIGNMENT_VIEW_START = 5;
/**
- * Align to the end of the view, which is ALIGN_RIGHT if the view’s resolved
+ * Align to the end of the view, which is ALIGN_RIGHT if the view's resolved
* layoutDirection is LTR, and ALIGN_LEFT otherwise.
*
* Use with {@link #setTextAlignment(int)}
@@ -3572,7 +3572,7 @@
* if the user swipes from the top of the screen.
* <p>When system bars are hidden in immersive mode, they can be revealed temporarily with
* system gestures, such as swiping from the top of the screen. These transient system bars
- * will overlay app’s content, may have some degree of transparency, and will automatically
+ * will overlay app's content, may have some degree of transparency, and will automatically
* hide after a short timeout.
* </p><p>Since this flag is a modifier for {@link #SYSTEM_UI_FLAG_FULLSCREEN} and
* {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION}, it only has an effect when used in combination
@@ -9779,7 +9779,7 @@
}
/**
- * Gets the unique identifier of the window in which this View reseides.
+ * Gets the unique identifier of the window in which this View resides.
*
* @return The window accessibility id.
*
diff --git a/core/java/android/view/animation/AnimationUtils.java b/core/java/android/view/animation/AnimationUtils.java
index c877b9c..f5b0746 100644
--- a/core/java/android/view/animation/AnimationUtils.java
+++ b/core/java/android/view/animation/AnimationUtils.java
@@ -127,7 +127,7 @@
*
* @param context Application context used to access resources
* @param id The resource id of the animation to load
- * @return The animation object reference by the specified id
+ * @return The animation object referenced by the specified id
* @throws NotFoundException when the animation cannot be loaded
*/
public static Animation loadAnimation(Context context, @AnimRes int id)
@@ -208,7 +208,7 @@
*
* @param context Application context used to access resources
* @param id The resource id of the animation to load
- * @return The animation object reference by the specified id
+ * @return The animation controller object referenced by the specified id
* @throws NotFoundException when the layout animation controller cannot be loaded
*/
public static LayoutAnimationController loadLayoutAnimation(Context context, @AnimRes int id)
@@ -331,7 +331,7 @@
*
* @param context Application context used to access resources
* @param id The resource id of the animation to load
- * @return The animation object reference by the specified id
+ * @return The interpolator object referenced by the specified id
* @throws NotFoundException
*/
public static Interpolator loadInterpolator(Context context, @AnimRes @InterpolatorRes int id)
@@ -361,7 +361,7 @@
*
* @param res The resources
* @param id The resource id of the animation to load
- * @return The interpolator object reference by the specified id
+ * @return The interpolator object referenced by the specified id
* @throws NotFoundException
* @hide
*/
diff --git a/services/core/java/com/android/server/wallpaper/GLHelper.java b/services/core/java/com/android/server/wallpaper/GLHelper.java
new file mode 100644
index 0000000..1d733f5
--- /dev/null
+++ b/services/core/java/com/android/server/wallpaper/GLHelper.java
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.wallpaper;
+
+import static android.opengl.EGL14.EGL_ALPHA_SIZE;
+import static android.opengl.EGL14.EGL_BLUE_SIZE;
+import static android.opengl.EGL14.EGL_CONFIG_CAVEAT;
+import static android.opengl.EGL14.EGL_CONTEXT_CLIENT_VERSION;
+import static android.opengl.EGL14.EGL_DEFAULT_DISPLAY;
+import static android.opengl.EGL14.EGL_DEPTH_SIZE;
+import static android.opengl.EGL14.EGL_GREEN_SIZE;
+import static android.opengl.EGL14.EGL_HEIGHT;
+import static android.opengl.EGL14.EGL_NONE;
+import static android.opengl.EGL14.EGL_NO_CONTEXT;
+import static android.opengl.EGL14.EGL_NO_DISPLAY;
+import static android.opengl.EGL14.EGL_NO_SURFACE;
+import static android.opengl.EGL14.EGL_OPENGL_ES2_BIT;
+import static android.opengl.EGL14.EGL_RED_SIZE;
+import static android.opengl.EGL14.EGL_RENDERABLE_TYPE;
+import static android.opengl.EGL14.EGL_STENCIL_SIZE;
+import static android.opengl.EGL14.EGL_WIDTH;
+import static android.opengl.EGL14.eglChooseConfig;
+import static android.opengl.EGL14.eglCreateContext;
+import static android.opengl.EGL14.eglCreatePbufferSurface;
+import static android.opengl.EGL14.eglDestroyContext;
+import static android.opengl.EGL14.eglDestroySurface;
+import static android.opengl.EGL14.eglGetDisplay;
+import static android.opengl.EGL14.eglGetError;
+import static android.opengl.EGL14.eglInitialize;
+import static android.opengl.EGL14.eglMakeCurrent;
+import static android.opengl.EGL14.eglTerminate;
+import static android.opengl.GLES20.GL_MAX_TEXTURE_SIZE;
+import static android.opengl.GLES20.glGetIntegerv;
+
+import android.opengl.EGLConfig;
+import android.opengl.EGLContext;
+import android.opengl.EGLDisplay;
+import android.opengl.EGLSurface;
+import android.opengl.GLUtils;
+import android.os.SystemProperties;
+import android.util.Log;
+
+class GLHelper {
+ private static final String TAG = GLHelper.class.getSimpleName();
+ private static final int sMaxTextureSize;
+
+ static {
+ int maxTextureSize = SystemProperties.getInt("sys.max_texture_size", 0);
+ sMaxTextureSize = maxTextureSize > 0 ? maxTextureSize : retrieveTextureSizeFromGL();
+ }
+
+ private static int retrieveTextureSizeFromGL() {
+ try {
+ String err;
+
+ // Before we can retrieve info from GL,
+ // we have to create EGLContext, EGLConfig and EGLDisplay first.
+ // We will fail at querying info from GL once one of above failed.
+ // When this happens, we will use defValue instead.
+ EGLDisplay eglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ if (eglDisplay == null || eglDisplay == EGL_NO_DISPLAY) {
+ err = "eglGetDisplay failed: " + GLUtils.getEGLErrorString(eglGetError());
+ throw new RuntimeException(err);
+ }
+
+ if (!eglInitialize(eglDisplay, null, 0 /* majorOffset */, null, 1 /* minorOffset */)) {
+ err = "eglInitialize failed: " + GLUtils.getEGLErrorString(eglGetError());
+ throw new RuntimeException(err);
+ }
+
+ EGLConfig eglConfig = null;
+ int[] configsCount = new int[1];
+ EGLConfig[] configs = new EGLConfig[1];
+ int[] configSpec = new int[] {
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_RED_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_BLUE_SIZE, 8,
+ EGL_ALPHA_SIZE, 0,
+ EGL_DEPTH_SIZE, 0,
+ EGL_STENCIL_SIZE, 0,
+ EGL_CONFIG_CAVEAT, EGL_NONE,
+ EGL_NONE
+ };
+
+ if (!eglChooseConfig(eglDisplay, configSpec, 0 /* attrib_listOffset */,
+ configs, 0 /* configOffset */, 1 /* config_size */,
+ configsCount, 0 /* num_configOffset */)) {
+ err = "eglChooseConfig failed: " + GLUtils.getEGLErrorString(eglGetError());
+ throw new RuntimeException(err);
+ } else if (configsCount[0] > 0) {
+ eglConfig = configs[0];
+ }
+
+ if (eglConfig == null) {
+ throw new RuntimeException("eglConfig not initialized!");
+ }
+
+ int[] attr_list = new int[] {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
+ EGLContext eglContext = eglCreateContext(
+ eglDisplay, eglConfig, EGL_NO_CONTEXT, attr_list, 0 /* offset */);
+
+ if (eglContext == null || eglContext == EGL_NO_CONTEXT) {
+ err = "eglCreateContext failed: " + GLUtils.getEGLErrorString(eglGetError());
+ throw new RuntimeException(err);
+ }
+
+ // We create a push buffer temporarily for querying info from GL.
+ int[] attrs = {EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE};
+ EGLSurface eglSurface =
+ eglCreatePbufferSurface(eglDisplay, eglConfig, attrs, 0 /* offset */);
+ eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
+
+ // Now, we are ready to query the info from GL.
+ int[] maxSize = new int[1];
+ glGetIntegerv(GL_MAX_TEXTURE_SIZE, maxSize, 0 /* offset */);
+
+ // We have got the info we want, release all egl resources.
+ eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ eglDestroySurface(eglDisplay, eglSurface);
+ eglDestroyContext(eglDisplay, eglContext);
+ eglTerminate(eglDisplay);
+ return maxSize[0];
+ } catch (RuntimeException e) {
+ Log.w(TAG, "Retrieve from GL failed", e);
+ return Integer.MAX_VALUE;
+ }
+ }
+
+ static int getMaxTextureSize() {
+ return sMaxTextureSize;
+ }
+}
+
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index b0f1e5d..991c09a 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -134,6 +134,9 @@
private static final boolean DEBUG = false;
private static final boolean DEBUG_LIVE = true;
+ // This 100MB limitation is defined in RecordingCanvas.
+ private static final int MAX_BITMAP_SIZE = 100 * 1024 * 1024;
+
public static class Lifecycle extends SystemService {
private IWallpaperManagerService mService;
@@ -572,7 +575,9 @@
// Only generate crop for default display.
final DisplayData wpData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
- Rect cropHint = new Rect(wallpaper.cropHint);
+ final Rect cropHint = new Rect(wallpaper.cropHint);
+ final DisplayInfo displayInfo = new DisplayInfo();
+ mDisplayManager.getDisplay(DEFAULT_DISPLAY).getDisplayInfo(displayInfo);
if (DEBUG) {
Slog.v(TAG, "Generating crop for new wallpaper(s): 0x"
@@ -618,12 +623,12 @@
}
// scale if the crop height winds up not matching the recommended metrics
- needScale = (wpData.mHeight != cropHint.height());
+ needScale = wpData.mHeight != cropHint.height()
+ || cropHint.height() > GLHelper.getMaxTextureSize()
+ || cropHint.width() > GLHelper.getMaxTextureSize();
//make sure screen aspect ratio is preserved if width is scaled under screen size
if (needScale) {
- final DisplayInfo displayInfo = new DisplayInfo();
- mDisplayManager.getDisplay(DEFAULT_DISPLAY).getDisplayInfo(displayInfo);
final float scaleByHeight = (float) wpData.mHeight / (float) cropHint.height();
final int newWidth = (int) (cropHint.width() * scaleByHeight);
if (newWidth < displayInfo.logicalWidth) {
@@ -644,14 +649,29 @@
if (!needCrop && !needScale) {
// Simple case: the nominal crop fits what we want, so we take
// the whole thing and just copy the image file directly.
- if (DEBUG) {
- Slog.v(TAG, "Null crop of new wallpaper; copying");
+
+ // TODO: It is not accurate to estimate bitmap size without decoding it,
+ // may be we can try to remove this optimized way in the future,
+ // that means, we will always go into the 'else' block.
+
+ // This is just a quick estimation, may be smaller than it is.
+ long estimateSize = options.outWidth * options.outHeight * 4;
+
+ // A bitmap over than MAX_BITMAP_SIZE will make drawBitmap() fail.
+ // Please see: RecordingCanvas#throwIfCannotDraw.
+ if (estimateSize < MAX_BITMAP_SIZE) {
+ success = FileUtils.copyFile(wallpaper.wallpaperFile, wallpaper.cropFile);
}
- success = FileUtils.copyFile(wallpaper.wallpaperFile, wallpaper.cropFile);
+
if (!success) {
wallpaper.cropFile.delete();
// TODO: fall back to default wallpaper in this case
}
+
+ if (DEBUG) {
+ Slog.v(TAG, "Null crop of new wallpaper, estimate size="
+ + estimateSize + ", success=" + success);
+ }
} else {
// Fancy case: crop and scale. First, we decode and scale down if appropriate.
FileOutputStream f = null;
@@ -665,49 +685,78 @@
// We calculate the largest power-of-two under the actual ratio rather than
// just let the decode take care of it because we also want to remap where the
// cropHint rectangle lies in the decoded [super]rect.
- final BitmapFactory.Options scaler;
final int actualScale = cropHint.height() / wpData.mHeight;
int scale = 1;
- while (2*scale < actualScale) {
+ while (2 * scale <= actualScale) {
scale *= 2;
}
- if (scale > 1) {
- scaler = new BitmapFactory.Options();
- scaler.inSampleSize = scale;
+ options.inSampleSize = scale;
+ options.inJustDecodeBounds = false;
+
+ final Rect estimateCrop = new Rect(cropHint);
+ estimateCrop.scale(1f / options.inSampleSize);
+ final float hRatio = (float) wpData.mHeight / estimateCrop.height();
+ final int destHeight = (int) (estimateCrop.height() * hRatio);
+ final int destWidth = (int) (estimateCrop.width() * hRatio);
+
+ // We estimated an invalid crop, try to adjust the cropHint to get a valid one.
+ if (destWidth > GLHelper.getMaxTextureSize()) {
+ int newHeight = (int) (wpData.mHeight / hRatio);
+ int newWidth = (int) (wpData.mWidth / hRatio);
+
if (DEBUG) {
- Slog.v(TAG, "Downsampling cropped rect with scale " + scale);
+ Slog.v(TAG, "Invalid crop dimensions, trying to adjust.");
}
- } else {
- scaler = null;
+
+ estimateCrop.set(cropHint);
+ estimateCrop.left += (cropHint.width() - newWidth) / 2;
+ estimateCrop.top += (cropHint.height() - newHeight) / 2;
+ estimateCrop.right = estimateCrop.left + newWidth;
+ estimateCrop.bottom = estimateCrop.top + newHeight;
+ cropHint.set(estimateCrop);
+ estimateCrop.scale(1f / options.inSampleSize);
}
- Bitmap cropped = decoder.decodeRegion(cropHint, scaler);
+
+ // We've got the safe cropHint; now we want to scale it properly to
+ // the desired rectangle.
+ // That's a height-biased operation: make it fit the hinted height.
+ final int safeHeight = (int) (estimateCrop.height() * hRatio);
+ final int safeWidth = (int) (estimateCrop.width() * hRatio);
+
+ if (DEBUG) {
+ Slog.v(TAG, "Decode parameters:");
+ Slog.v(TAG, " cropHint=" + cropHint + ", estimateCrop=" + estimateCrop);
+ Slog.v(TAG, " down sampling=" + options.inSampleSize
+ + ", hRatio=" + hRatio);
+ Slog.v(TAG, " dest=" + destWidth + "x" + destHeight);
+ Slog.v(TAG, " safe=" + safeWidth + "x" + safeHeight);
+ Slog.v(TAG, " maxTextureSize=" + GLHelper.getMaxTextureSize());
+ }
+
+ Bitmap cropped = decoder.decodeRegion(cropHint, options);
decoder.recycle();
if (cropped == null) {
Slog.e(TAG, "Could not decode new wallpaper");
} else {
- // We've got the extracted crop; now we want to scale it properly to
- // the desired rectangle. That's a height-biased operation: make it
- // fit the hinted height, and accept whatever width we end up with.
- cropHint.offsetTo(0, 0);
- cropHint.right /= scale; // adjust by downsampling factor
- cropHint.bottom /= scale;
- final float heightR =
- ((float) wpData.mHeight) / ((float) cropHint.height());
- if (DEBUG) {
- Slog.v(TAG, "scale " + heightR + ", extracting " + cropHint);
- }
- final int destWidth = (int)(cropHint.width() * heightR);
+ // We are safe to create final crop with safe dimensions now.
final Bitmap finalCrop = Bitmap.createScaledBitmap(cropped,
- destWidth, wpData.mHeight, true);
+ safeWidth, safeHeight, true);
if (DEBUG) {
Slog.v(TAG, "Final extract:");
Slog.v(TAG, " dims: w=" + wpData.mWidth
+ " h=" + wpData.mHeight);
- Slog.v(TAG, " out: w=" + finalCrop.getWidth()
+ Slog.v(TAG, " out: w=" + finalCrop.getWidth()
+ " h=" + finalCrop.getHeight());
}
+ // A bitmap over than MAX_BITMAP_SIZE will make drawBitmap() fail.
+ // Please see: RecordingCanvas#throwIfCannotDraw.
+ if (finalCrop.getByteCount() > MAX_BITMAP_SIZE) {
+ throw new RuntimeException(
+ "Too large bitmap, limit=" + MAX_BITMAP_SIZE);
+ }
+
f = new FileOutputStream(wallpaper.cropFile);
bos = new BufferedOutputStream(f, 32*1024);
finalCrop.compress(Bitmap.CompressFormat.JPEG, 100, bos);
@@ -1981,6 +2030,11 @@
if (!isWallpaperSupported(callingPackage)) {
return;
}
+
+ // Make sure both width and height are not larger than max texture size.
+ width = Math.min(width, GLHelper.getMaxTextureSize());
+ height = Math.min(height, GLHelper.getMaxTextureSize());
+
synchronized (mLock) {
int userId = UserHandle.getCallingUserId();
WallpaperData wallpaper = getWallpaperSafeLocked(userId, FLAG_SYSTEM);