| /* |
| * Copyright (C) 2017 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.wallpaper.module; |
| |
| import static android.app.WallpaperManager.FLAG_LOCK; |
| import static android.app.WallpaperManager.FLAG_SYSTEM; |
| |
| import android.annotation.SuppressLint; |
| import android.app.WallpaperColors; |
| import android.app.WallpaperManager; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.CompressFormat; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Point; |
| import android.graphics.PointF; |
| import android.graphics.Rect; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.os.AsyncTask; |
| import android.os.ParcelFileDescriptor; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.view.Display; |
| import android.view.WindowManager; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.wallpaper.asset.Asset; |
| import com.android.wallpaper.asset.Asset.BitmapReceiver; |
| import com.android.wallpaper.asset.BitmapUtils; |
| import com.android.wallpaper.asset.StreamableAsset; |
| import com.android.wallpaper.asset.StreamableAsset.StreamReceiver; |
| import com.android.wallpaper.model.StaticWallpaperMetadata; |
| import com.android.wallpaper.model.WallpaperInfo; |
| import com.android.wallpaper.module.BitmapCropper.Callback; |
| import com.android.wallpaper.util.BitmapTransformer; |
| import com.android.wallpaper.util.DisplayUtils; |
| import com.android.wallpaper.util.ScreenSizeCalculator; |
| import com.android.wallpaper.util.WallpaperCropUtils; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.List; |
| |
| /** |
| * Concrete implementation of WallpaperPersister which actually sets wallpapers to the system via |
| * the WallpaperManager. |
| */ |
| public class DefaultWallpaperPersister implements WallpaperPersister { |
| |
| private static final int DEFAULT_COMPRESS_QUALITY = 100; |
| private static final String TAG = "WallpaperPersister"; |
| |
| private final Context mAppContext; |
| private final WallpaperManager mWallpaperManager; |
| private final WallpaperPreferences mWallpaperPreferences; |
| private final WallpaperChangedNotifier mWallpaperChangedNotifier; |
| private final DisplayUtils mDisplayUtils; |
| private final BitmapCropper mBitmapCropper; |
| private final WallpaperStatusChecker mWallpaperStatusChecker; |
| private final CurrentWallpaperInfoFactory mCurrentWallpaperInfoFactory; |
| private final boolean mIsRefactorSettingWallpaper; |
| |
| private WallpaperInfo mWallpaperInfoInPreview; |
| |
| @SuppressLint("ServiceCast") |
| public DefaultWallpaperPersister( |
| Context context, |
| WallpaperManager wallpaperManager, |
| WallpaperPreferences wallpaperPreferences, |
| WallpaperChangedNotifier wallpaperChangedNotifier, |
| DisplayUtils displayUtils, |
| BitmapCropper bitmapCropper, |
| WallpaperStatusChecker wallpaperStatusChecker, |
| CurrentWallpaperInfoFactory wallpaperInfoFactory, |
| boolean isRefactorSettingWallpaper |
| ) { |
| mAppContext = context.getApplicationContext(); |
| mWallpaperManager = wallpaperManager; |
| mWallpaperPreferences = wallpaperPreferences; |
| mWallpaperChangedNotifier = wallpaperChangedNotifier; |
| mDisplayUtils = displayUtils; |
| mBitmapCropper = bitmapCropper; |
| mWallpaperStatusChecker = wallpaperStatusChecker; |
| mCurrentWallpaperInfoFactory = wallpaperInfoFactory; |
| mIsRefactorSettingWallpaper = isRefactorSettingWallpaper; |
| } |
| |
| @Override |
| public void setIndividualWallpaper(final WallpaperInfo wallpaper, Asset asset, |
| @Nullable Rect cropRect, float scale, @Destination final int destination, |
| final SetWallpaperCallback callback) { |
| // Set wallpaper without downscaling directly from an input stream if there's no crop rect |
| // specified by the caller and the asset is streamable. |
| |
| if (mWallpaperManager.isMultiCropEnabled() && (!(asset instanceof StreamableAsset))) { |
| asset.decodeBitmap(bitmap -> { |
| if (bitmap == null) { |
| callback.onError(null /* throwable */); |
| return; |
| } |
| setIndividualWallpaper(wallpaper, bitmap, cropRect, destination, callback); |
| }); |
| return; |
| } |
| |
| if ((cropRect == null || mWallpaperManager.isMultiCropEnabled()) |
| && asset instanceof StreamableAsset) { |
| ((StreamableAsset) asset).fetchInputStream(new StreamReceiver() { |
| @Override |
| public void onInputStreamOpened(@Nullable InputStream inputStream) { |
| if (inputStream == null) { |
| callback.onError(null /* throwable */); |
| return; |
| } |
| setIndividualWallpaper(wallpaper, inputStream, cropRect, destination, callback); |
| } |
| }); |
| return; |
| } |
| |
| // If no crop rect is specified but the wallpaper asset is not streamable, then fall back to |
| // using the device's display size. |
| if (cropRect == null) { |
| Display display = ((WindowManager) mAppContext.getSystemService(Context.WINDOW_SERVICE)) |
| .getDefaultDisplay(); |
| Point screenSize = ScreenSizeCalculator.getInstance().getScreenSize(display); |
| asset.decodeBitmap(screenSize.x, screenSize.y, new BitmapReceiver() { |
| @Override |
| public void onBitmapDecoded(@Nullable Bitmap bitmap) { |
| if (bitmap == null) { |
| callback.onError(null /* throwable */); |
| return; |
| } |
| setIndividualWallpaper(wallpaper, bitmap, null, destination, callback); |
| } |
| }); |
| return; |
| } |
| |
| mBitmapCropper.cropAndScaleBitmap(asset, scale, cropRect, false, new Callback() { |
| @Override |
| public void onBitmapCropped(Bitmap croppedBitmap) { |
| setIndividualWallpaper(wallpaper, croppedBitmap, destination, callback); |
| } |
| |
| @Override |
| public void onError(@Nullable Throwable e) { |
| callback.onError(e); |
| } |
| }); |
| } |
| |
| /** |
| * Sets a static individual wallpaper to the system via the WallpaperManager. |
| * |
| * @param wallpaper Wallpaper model object. |
| * @param croppedBitmap Bitmap representing the individual wallpaper image. |
| * @param destination The destination - where to set the wallpaper to. |
| * @param callback Called once the wallpaper was set or if an error occurred. |
| */ |
| private void setIndividualWallpaper(WallpaperInfo wallpaper, Bitmap croppedBitmap, |
| @Destination int destination, SetWallpaperCallback callback) { |
| SetWallpaperTask setWallpaperTask = |
| new SetWallpaperTask(wallpaper, croppedBitmap, null, destination, callback); |
| setWallpaperTask.execute(); |
| } |
| |
| private void setIndividualWallpaper(WallpaperInfo wallpaper, Bitmap fullBitmap, Rect cropHint, |
| @Destination int destination, SetWallpaperCallback callback) { |
| SetWallpaperTask setWallpaperTask = |
| new SetWallpaperTask(wallpaper, fullBitmap, cropHint, destination, callback); |
| setWallpaperTask.execute(); |
| } |
| |
| /** |
| * Sets a static individual wallpaper stream to the system via the WallpaperManager. |
| * |
| * @param wallpaper Wallpaper model object. |
| * @param inputStream JPEG or PNG stream of wallpaper image's bytes. |
| * @param destination The destination - where to set the wallpaper to. |
| * @param callback Called once the wallpaper was set or if an error occurred. |
| */ |
| private void setIndividualWallpaper(WallpaperInfo wallpaper, InputStream inputStream, |
| Rect cropHint, @Destination int destination, SetWallpaperCallback callback) { |
| SetWallpaperTask setWallpaperTask = |
| new SetWallpaperTask(wallpaper, inputStream, cropHint, destination, callback); |
| setWallpaperTask.execute(); |
| } |
| |
| @Override |
| public boolean setWallpaperInRotation(Bitmap wallpaperBitmap, List<String> attributions, |
| String actionUrl, String collectionId, String remoteId) { |
| final int wallpaperId = cropAndSetWallpaperBitmapInRotationStatic(wallpaperBitmap, |
| attributions, actionUrl, collectionId, getDefaultWhichWallpaper()); |
| |
| if (wallpaperId == 0) { |
| return false; |
| } |
| |
| return saveStaticWallpaperMetadata(attributions, actionUrl, collectionId, wallpaperId, |
| remoteId, DEST_HOME_SCREEN); |
| } |
| |
| @Override |
| public int setWallpaperBitmapInNextRotation(Bitmap wallpaperBitmap, List<String> attributions, |
| String actionUrl, String collectionId) { |
| // The very first time setting the rotation wallpaper, make sure we set for both so that: |
| // 1. The lock and home screen wallpaper become the same |
| // 2. Lock screen wallpaper becomes "unset" until the next time user set wallpaper solely |
| // for the lock screen |
| int whichWallpaper = WallpaperManager.FLAG_SYSTEM | WallpaperManager.FLAG_LOCK; |
| return cropAndSetWallpaperBitmapInRotationStatic(wallpaperBitmap, attributions, actionUrl, |
| collectionId, whichWallpaper); |
| } |
| |
| @Override |
| public boolean finalizeWallpaperForNextRotation(List<String> attributions, String actionUrl, |
| String collectionId, int wallpaperId, String remoteId) { |
| return saveStaticWallpaperMetadata(attributions, actionUrl, collectionId, wallpaperId, |
| remoteId, DEST_HOME_SCREEN); |
| } |
| |
| @Override |
| public boolean saveStaticWallpaperMetadata(List<String> attributions, |
| String actionUrl, |
| String collectionId, |
| int wallpaperId, |
| String remoteId, |
| @Destination int destination) { |
| if (destination == DEST_HOME_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| |
| // Persist wallpaper IDs if the rotating wallpaper component |
| mWallpaperPreferences.setHomeWallpaperManagerId(wallpaperId); |
| |
| // Only copy over wallpaper ID to lock wallpaper if no explicit lock wallpaper is set |
| // (so metadata isn't lost if a user explicitly sets a home-only wallpaper). |
| |
| mWallpaperPreferences.setHomeWallpaperAttributions(attributions); |
| mWallpaperPreferences.setHomeWallpaperActionUrl(actionUrl); |
| mWallpaperPreferences.setHomeWallpaperCollectionId(collectionId); |
| mWallpaperPreferences.setHomeWallpaperRemoteId(remoteId); |
| } |
| |
| // Set metadata to lock screen also when the rotating wallpaper so if user sets a home |
| // screen-only wallpaper later, these attributions will still be available. |
| if (destination == DEST_LOCK_SCREEN || destination == DEST_BOTH |
| || !isSeparateLockScreenWallpaperSet()) { |
| mWallpaperPreferences.clearLockWallpaperMetadata(); |
| mWallpaperPreferences.setLockWallpaperManagerId(wallpaperId); |
| mWallpaperPreferences.setLockWallpaperAttributions(attributions); |
| mWallpaperPreferences.setLockWallpaperActionUrl(actionUrl); |
| mWallpaperPreferences.setLockWallpaperCollectionId(collectionId); |
| mWallpaperPreferences.setLockWallpaperRemoteId(remoteId); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public boolean saveStaticWallpaperToPreferences(@Destination int destination, |
| @NonNull StaticWallpaperMetadata metadata) { |
| if (destination == DEST_HOME_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| mWallpaperPreferences.setHomeStaticImageWallpaperMetadata(metadata); |
| } |
| |
| if (destination == DEST_LOCK_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.clearLockWallpaperMetadata(); |
| mWallpaperPreferences.setLockStaticImageWallpaperMetadata(metadata); |
| } |
| return true; |
| } |
| |
| /** |
| * Sets a wallpaper in rotation as a static wallpaper to the {@link WallpaperManager} with the |
| * option allowBackup=false to save user data. |
| * |
| * @return wallpaper ID for the wallpaper bitmap. |
| */ |
| private int cropAndSetWallpaperBitmapInRotationStatic(Bitmap wallpaperBitmap, |
| List<String> attributions, String actionUrl, String collectionId, |
| int whichWallpaper) { |
| // Calculate crop and scale of the wallpaper to match the default one used in preview |
| Point wallpaperSize = new Point(wallpaperBitmap.getWidth(), wallpaperBitmap.getHeight()); |
| Resources resources = mAppContext.getResources(); |
| Display croppingDisplay = mDisplayUtils.getWallpaperDisplay(); |
| Point defaultCropSurfaceSize = WallpaperCropUtils.getDefaultCropSurfaceSize( |
| resources, croppingDisplay); |
| Point screenSize = ScreenSizeCalculator.getInstance().getScreenSize(croppingDisplay); |
| |
| // Determine minimum zoom to fit maximum visible area of wallpaper on crop surface. |
| float minWallpaperZoom = |
| WallpaperCropUtils.calculateMinZoom(wallpaperSize, screenSize); |
| |
| PointF centerPosition = WallpaperCropUtils.calculateDefaultCenter(mAppContext, |
| wallpaperSize, WallpaperCropUtils.calculateVisibleRect(wallpaperSize, screenSize)); |
| |
| Point scaledCenter = new Point((int) (minWallpaperZoom * centerPosition.x), |
| (int) (minWallpaperZoom * centerPosition.y)); |
| |
| int offsetX = Math.max(0, -(screenSize.x / 2 - scaledCenter.x)); |
| int offsetY = Math.max(0, -(screenSize.y / 2 - scaledCenter.y)); |
| |
| Rect cropRect = WallpaperCropUtils.calculateCropRect(mAppContext, minWallpaperZoom, |
| wallpaperSize, defaultCropSurfaceSize, screenSize, offsetX, |
| offsetY, /* cropExtraWidth= */ true); |
| |
| Rect scaledCropRect = new Rect( |
| (int) Math.floor((float) cropRect.left / minWallpaperZoom), |
| (int) Math.floor((float) cropRect.top / minWallpaperZoom), |
| (int) Math.floor((float) cropRect.right / minWallpaperZoom), |
| (int) Math.floor((float) cropRect.bottom / minWallpaperZoom)); |
| |
| // Scale and crop the bitmap |
| if (!mWallpaperManager.isMultiCropEnabled()) { |
| wallpaperBitmap = Bitmap.createBitmap(wallpaperBitmap, |
| scaledCropRect.left, |
| scaledCropRect.top, |
| scaledCropRect.width(), |
| scaledCropRect.height()); |
| } |
| scaledCropRect = mWallpaperManager.isMultiCropEnabled() ? scaledCropRect : null; |
| |
| int wallpaperId = setBitmapToWallpaperManager(wallpaperBitmap, scaledCropRect, |
| /* allowBackup */ false, whichWallpaper); |
| if (wallpaperId > 0) { |
| mWallpaperPreferences.storeLatestWallpaper(whichWallpaper, |
| String.valueOf(wallpaperId), attributions, actionUrl, collectionId, |
| wallpaperBitmap, WallpaperColors.fromBitmap(wallpaperBitmap)); |
| } |
| mCurrentWallpaperInfoFactory.clearCurrentWallpaperInfos(); |
| return wallpaperId; |
| } |
| |
| /* |
| * Note: this method will return use home-only (FLAG_SYSTEM) instead of both home and lock |
| * if there's a distinct lock-only static wallpaper set so we don't override the lock wallpaper. |
| */ |
| @Override |
| public int getDefaultWhichWallpaper() { |
| return isSeparateLockScreenWallpaperSet() |
| ? WallpaperManager.FLAG_SYSTEM |
| : WallpaperManager.FLAG_SYSTEM | WallpaperManager.FLAG_LOCK; |
| } |
| |
| @Override |
| public int setBitmapToWallpaperManager(Bitmap wallpaperBitmap, Rect cropHint, |
| boolean allowBackup, int whichWallpaper) { |
| ByteArrayOutputStream tmpOut = new ByteArrayOutputStream(); |
| if (wallpaperBitmap.compress(CompressFormat.PNG, DEFAULT_COMPRESS_QUALITY, tmpOut)) { |
| try { |
| byte[] outByteArray = tmpOut.toByteArray(); |
| return mWallpaperManager.setStream( |
| new ByteArrayInputStream(outByteArray), |
| cropHint /* visibleCropHint */, |
| allowBackup, |
| whichWallpaper); |
| } catch (IOException e) { |
| Log.e(TAG, "unable to write stream to wallpaper manager"); |
| return 0; |
| } |
| } else { |
| Log.e(TAG, "unable to compress wallpaper"); |
| try { |
| return mWallpaperManager.setBitmap( |
| wallpaperBitmap, |
| cropHint /* visibleCropHint */, |
| allowBackup, |
| whichWallpaper); |
| } catch (IOException e) { |
| Log.e(TAG, "unable to set wallpaper"); |
| return 0; |
| } |
| } |
| } |
| |
| @Override |
| public int setStreamToWallpaperManager(InputStream inputStream, Rect cropHint, |
| boolean allowBackup, int whichWallpaper) { |
| try { |
| return mWallpaperManager.setStream(inputStream, cropHint, allowBackup, |
| whichWallpaper); |
| } catch (IOException e) { |
| return 0; |
| } |
| } |
| |
| @Override |
| public void setWallpaperInfoInPreview(WallpaperInfo wallpaper) { |
| mWallpaperInfoInPreview = wallpaper; |
| } |
| |
| @Override |
| public void onLiveWallpaperSet(@Destination int destination) { |
| android.app.WallpaperInfo currentWallpaperComponent = mWallpaperManager.getWallpaperInfo(); |
| android.app.WallpaperInfo previewedWallpaperComponent = mWallpaperInfoInPreview != null |
| ? mWallpaperInfoInPreview.getWallpaperComponent() : null; |
| |
| // If there is no live wallpaper set on the WallpaperManager or it doesn't match the |
| // WallpaperInfo which was last previewed, then do nothing and nullify last previewed |
| // wallpaper. |
| if (currentWallpaperComponent == null || previewedWallpaperComponent == null |
| || !currentWallpaperComponent.getServiceName() |
| .equals(previewedWallpaperComponent.getServiceName())) { |
| mWallpaperInfoInPreview = null; |
| return; |
| } |
| |
| setLiveWallpaperMetadata(mWallpaperInfoInPreview, mWallpaperInfoInPreview.getEffectNames(), |
| destination); |
| } |
| |
| /** |
| * Returns whether a separate lock-screen wallpaper is set to the WallpaperManager. |
| */ |
| private boolean isSeparateLockScreenWallpaperSet() { |
| return mWallpaperManager.getWallpaperId(WallpaperManager.FLAG_LOCK) >= 0; |
| } |
| |
| @Override |
| public void setLiveWallpaperMetadata(WallpaperInfo wallpaperInfo, String effects, |
| @Destination int destination) { |
| android.app.WallpaperInfo component = wallpaperInfo.getWallpaperComponent(); |
| |
| if (destination == WallpaperPersister.DEST_HOME_SCREEN |
| || destination == WallpaperPersister.DEST_BOTH) { |
| mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| mWallpaperPreferences.setHomeWallpaperServiceName(component.getServiceName()); |
| mWallpaperPreferences.setHomeWallpaperEffects(effects); |
| mWallpaperPreferences.setHomeWallpaperCollectionId( |
| wallpaperInfo.getCollectionId(mAppContext)); |
| |
| // Disable rotation wallpaper when setting live wallpaper to home screen |
| // Daily rotation rotates both home and lock screen wallpaper when lock screen is not |
| // set; otherwise daily rotation only rotates home screen while lock screen wallpaper |
| // stays as what it's set to. |
| mWallpaperPreferences.setWallpaperPresentationMode( |
| WallpaperPreferences.PRESENTATION_MODE_STATIC); |
| mWallpaperPreferences.clearDailyRotations(); |
| } |
| |
| if (destination == WallpaperPersister.DEST_LOCK_SCREEN |
| || destination == WallpaperPersister.DEST_BOTH) { |
| mWallpaperPreferences.clearLockWallpaperMetadata(); |
| mWallpaperPreferences.setLockWallpaperServiceName(component.getServiceName()); |
| mWallpaperPreferences.setLockWallpaperEffects(effects); |
| mWallpaperPreferences.setLockWallpaperCollectionId( |
| wallpaperInfo.getCollectionId(mAppContext)); |
| } |
| } |
| |
| private class SetWallpaperTask extends AsyncTask<Void, Void, Boolean> { |
| |
| private final WallpaperInfo mWallpaper; |
| @Destination |
| private final int mDestination; |
| private final WallpaperPersister.SetWallpaperCallback mCallback; |
| |
| private Bitmap mBitmap; |
| private InputStream mInputStream; |
| @Nullable |
| private Rect mCropHint; |
| |
| /** |
| * Optional parameters for applying a post-decoding fill or stretch transformation. |
| */ |
| @Nullable |
| private Point mFillSize; |
| @Nullable |
| private Point mStretchSize; |
| |
| SetWallpaperTask(WallpaperInfo wallpaper, Bitmap bitmap, Rect cropHint, |
| @Destination int destination, WallpaperPersister.SetWallpaperCallback callback) { |
| super(); |
| mWallpaper = wallpaper; |
| mBitmap = bitmap; |
| mCropHint = cropHint; |
| mDestination = destination; |
| mCallback = callback; |
| } |
| |
| /** |
| * Constructor for SetWallpaperTask which takes an InputStream instead of a bitmap. The task |
| * will close the InputStream once it is done with it. |
| */ |
| SetWallpaperTask(WallpaperInfo wallpaper, InputStream stream, Rect cropHint, |
| @Destination int destination, WallpaperPersister.SetWallpaperCallback callback) { |
| mWallpaper = wallpaper; |
| mInputStream = stream; |
| mCropHint = cropHint; |
| mDestination = destination; |
| mCallback = callback; |
| } |
| |
| void setFillSize(Point fillSize) { |
| if (mStretchSize != null) { |
| throw new IllegalArgumentException( |
| "Can't pass a fill size option if a stretch size is " |
| + "already set."); |
| } |
| mFillSize = fillSize; |
| } |
| |
| void setStretchSize(Point stretchSize) { |
| if (mFillSize != null) { |
| throw new IllegalArgumentException( |
| "Can't pass a stretch size option if a fill size is " |
| + "already set."); |
| } |
| mStretchSize = stretchSize; |
| } |
| |
| @Override |
| protected Boolean doInBackground(Void... unused) { |
| int whichWallpaper; |
| if (mDestination == DEST_HOME_SCREEN) { |
| whichWallpaper = WallpaperManager.FLAG_SYSTEM; |
| } else if (mDestination == DEST_LOCK_SCREEN) { |
| whichWallpaper = WallpaperManager.FLAG_LOCK; |
| } else { // DEST_BOTH |
| whichWallpaper = WallpaperManager.FLAG_SYSTEM |
| | WallpaperManager.FLAG_LOCK; |
| } |
| |
| boolean wasLockWallpaperSet = mWallpaperStatusChecker.isLockWallpaperSet(); |
| |
| boolean allowBackup = mWallpaper.getBackupPermission() == WallpaperInfo.BACKUP_ALLOWED; |
| final int wallpaperId; |
| if (mBitmap != null) { |
| // Apply fill or stretch transformations on mBitmap if necessary. |
| if (mFillSize != null) { |
| mBitmap = BitmapTransformer.applyFillTransformation(mBitmap, mFillSize); |
| } |
| if (mStretchSize != null) { |
| mBitmap = Bitmap.createScaledBitmap(mBitmap, mStretchSize.x, mStretchSize.y, |
| true); |
| } |
| |
| wallpaperId = setBitmapToWallpaperManager(mBitmap, mCropHint, allowBackup, |
| whichWallpaper); |
| } else if (mInputStream != null) { |
| wallpaperId = setStreamToWallpaperManager(mInputStream, mCropHint, |
| allowBackup, whichWallpaper); |
| } else { |
| Log.e(TAG, |
| "Both the wallpaper bitmap and input stream are null so we're unable " |
| + "to set any kind of wallpaper here."); |
| wallpaperId = 0; |
| } |
| |
| if (wallpaperId > 0) { |
| if (mDestination == DEST_HOME_SCREEN |
| && mWallpaperPreferences.getWallpaperPresentationMode() |
| == WallpaperPreferences.PRESENTATION_MODE_ROTATING |
| && !wasLockWallpaperSet) { |
| copyRotatingWallpaperToLock(); |
| } |
| |
| if (mIsRefactorSettingWallpaper) { |
| if (mBitmap == null) { |
| mWallpaperManager.forgetLoadedWallpaper(); |
| mBitmap = ((BitmapDrawable) mWallpaperManager |
| .getDrawable(WallpaperPersister.destinationToFlags(mDestination))) |
| .getBitmap(); |
| } |
| setStaticWallpaperMetadataToPreferences( |
| mDestination, |
| wallpaperId, |
| BitmapUtils.generateHashCode(mBitmap), |
| WallpaperColors.fromBitmap(mBitmap)); |
| } else { |
| setImageWallpaperMetadata(mDestination, wallpaperId); |
| } |
| |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| protected void onPostExecute(Boolean isSuccess) { |
| if (mInputStream != null) { |
| try { |
| mInputStream.close(); |
| } catch (IOException e) { |
| Log.e(TAG, "Failed to close input stream " + e); |
| mCallback.onError(e /* throwable */); |
| return; |
| } |
| } |
| |
| if (isSuccess) { |
| mCallback.onSuccess(mWallpaper, mDestination); |
| mWallpaperChangedNotifier.notifyWallpaperChanged(); |
| } else { |
| mCallback.onError(null /* throwable */); |
| } |
| } |
| |
| /** |
| * Copies home wallpaper metadata to lock, and if rotation was enabled with a live wallpaper |
| * previously, then copies over the rotating wallpaper image to the WallpaperManager also. |
| * <p> |
| * Used to accommodate the case where a user had gone from a home+lock daily rotation to |
| * selecting a static wallpaper on home-only. The image and metadata that was previously |
| * rotating is now copied to the lock screen. |
| */ |
| private void copyRotatingWallpaperToLock() { |
| mWallpaperPreferences.setLockWallpaperAttributions( |
| mWallpaperPreferences.getHomeWallpaperAttributions()); |
| mWallpaperPreferences.setLockWallpaperActionUrl( |
| mWallpaperPreferences.getHomeWallpaperActionUrl()); |
| mWallpaperPreferences.setLockWallpaperCollectionId( |
| mWallpaperPreferences.getHomeWallpaperCollectionId()); |
| |
| // Set the lock wallpaper ID to what Android set it to, following its having |
| // copied the system wallpaper over to the lock screen when we changed from |
| // "both" to distinct system and lock screen wallpapers. |
| mWallpaperPreferences.setLockWallpaperManagerId( |
| mWallpaperManager.getWallpaperId(WallpaperManager.FLAG_LOCK)); |
| } |
| |
| /** |
| * Sets the image wallpaper's metadata on SharedPreferences. This method is called after the |
| * set wallpaper operation is successful. |
| * |
| * @param destination Which destination of wallpaper the metadata corresponds to (home |
| * screen, lock screen, or both). |
| * @param wallpaperId The ID of the static wallpaper returned by WallpaperManager, which |
| * on N and later versions of Android uniquely identifies a wallpaper |
| * image. |
| */ |
| private void setImageWallpaperMetadata(@Destination int destination, int wallpaperId) { |
| if (destination == DEST_HOME_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| setImageWallpaperHomeMetadata(wallpaperId); |
| |
| // Disable rotation wallpaper when setting static image wallpaper to home screen |
| // Daily rotation rotates both home and lock screen wallpaper when lock screen is |
| // not set; otherwise daily rotation only rotates home screen while lock screen |
| // wallpaper stays as what it's set to. |
| mWallpaperPreferences.setWallpaperPresentationMode( |
| WallpaperPreferences.PRESENTATION_MODE_STATIC); |
| mWallpaperPreferences.clearDailyRotations(); |
| } |
| |
| if (destination == DEST_LOCK_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.clearLockWallpaperMetadata(); |
| setImageWallpaperLockMetadata(wallpaperId); |
| } |
| } |
| |
| private void setImageWallpaperHomeMetadata(int homeWallpaperId) { |
| mWallpaperPreferences.setHomeWallpaperManagerId(homeWallpaperId); |
| |
| // Compute bitmap hash code after setting the wallpaper because JPEG compression has |
| // likely changed many pixels' color values. Forget the previously loaded wallpaper |
| // bitmap so that WallpaperManager doesn't return the old wallpaper drawable. Do this |
| // on N+ devices in addition to saving the wallpaper ID for the purpose of backup & |
| // restore. |
| mWallpaperManager.forgetLoadedWallpaper(); |
| mBitmap = ((BitmapDrawable) mWallpaperManager.getDrawable()).getBitmap(); |
| long bitmapHash = BitmapUtils.generateHashCode(mBitmap); |
| WallpaperColors colors = WallpaperColors.fromBitmap(mBitmap); |
| |
| mWallpaperPreferences.setHomeWallpaperHashCode(bitmapHash); |
| |
| mWallpaperPreferences.setHomeWallpaperAttributions( |
| mWallpaper.getAttributions(mAppContext)); |
| mWallpaperPreferences.setHomeWallpaperActionUrl(mWallpaper.getActionUrl(mAppContext)); |
| mWallpaperPreferences.setHomeWallpaperCollectionId( |
| mWallpaper.getCollectionId(mAppContext)); |
| mWallpaperPreferences.setHomeWallpaperRemoteId(mWallpaper.getWallpaperId()); |
| // Wallpaper ID can not be null or empty to save to the recent wallpaper as preferences |
| String recentWallpaperId = TextUtils.isEmpty(mWallpaper.getWallpaperId()) |
| ? String.valueOf(bitmapHash) : mWallpaper.getWallpaperId(); |
| mWallpaperPreferences.storeLatestWallpaper(FLAG_SYSTEM, recentWallpaperId, |
| mWallpaper, mBitmap, colors); |
| } |
| |
| private void setImageWallpaperLockMetadata(int lockWallpaperId) { |
| mWallpaperPreferences.setLockWallpaperManagerId(lockWallpaperId); |
| mWallpaperPreferences.setLockWallpaperAttributions( |
| mWallpaper.getAttributions(mAppContext)); |
| mWallpaperPreferences.setLockWallpaperActionUrl(mWallpaper.getActionUrl(mAppContext)); |
| mWallpaperPreferences.setLockWallpaperCollectionId( |
| mWallpaper.getCollectionId(mAppContext)); |
| mWallpaperPreferences.setLockWallpaperRemoteId(mWallpaper.getWallpaperId()); |
| |
| // Save the lock wallpaper image's hash code as well for the sake of backup & restore |
| // because WallpaperManager-generated IDs are specific to a physical device and |
| // cannot be used to identify a wallpaper image on another device after restore is |
| // complete. |
| Bitmap lockBitmap = getLockWallpaperBitmap(); |
| long bitmapHashCode = 0; |
| if (lockBitmap != null) { |
| saveLockWallpaperHashCode(lockBitmap); |
| bitmapHashCode = mWallpaperPreferences.getLockWallpaperHashCode(); |
| } |
| |
| // If the destination is both, use the home screen bitmap to populate the lock screen |
| // recents list. |
| if (lockBitmap == null |
| && lockWallpaperId == mWallpaperPreferences.getHomeWallpaperManagerId()) { |
| lockBitmap = mBitmap; |
| bitmapHashCode = mWallpaperPreferences.getHomeWallpaperHashCode(); |
| } |
| |
| if (lockBitmap != null) { |
| mWallpaperPreferences.storeLatestWallpaper(FLAG_LOCK, |
| TextUtils.isEmpty(mWallpaper.getWallpaperId()) ? String.valueOf( |
| bitmapHashCode) : mWallpaper.getWallpaperId(), mWallpaper, |
| lockBitmap, WallpaperColors.fromBitmap(lockBitmap)); |
| } |
| } |
| |
| private void setStaticWallpaperMetadataToPreferences(@Destination int destination, |
| int wallpaperId, long bitmapHash, WallpaperColors colors) { |
| saveStaticWallpaperToPreferences( |
| destination, |
| new StaticWallpaperMetadata( |
| mWallpaper.getAttributions(mAppContext), |
| mWallpaper.getActionUrl(mAppContext), |
| mWallpaper.getCollectionId(mAppContext), |
| bitmapHash, |
| wallpaperId, |
| mWallpaper.getWallpaperId(), |
| // Always null cropHints as this path doesn't support multi-crop |
| /* cropHints= */ null)); |
| |
| if (destination == DEST_HOME_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.storeLatestWallpaper( |
| FLAG_SYSTEM, |
| mWallpaper.getWallpaperId(), |
| mWallpaper, |
| mBitmap, |
| colors); |
| // Stop wallpaper rotation if a static wallpaper is set to home. |
| mWallpaperPreferences.setWallpaperPresentationMode( |
| WallpaperPreferences.PRESENTATION_MODE_STATIC); |
| mWallpaperPreferences.clearDailyRotations(); |
| } |
| |
| if (destination == DEST_LOCK_SCREEN || destination == DEST_BOTH) { |
| mWallpaperPreferences.storeLatestWallpaper( |
| FLAG_LOCK, |
| mWallpaper.getWallpaperId(), |
| mWallpaper, |
| mBitmap, |
| colors); |
| } |
| } |
| |
| private Bitmap getLockWallpaperBitmap() { |
| ParcelFileDescriptor parcelFd = mWallpaperManager.getWallpaperFile( |
| WallpaperManager.FLAG_LOCK); |
| |
| if (parcelFd == null) { |
| return null; |
| } |
| |
| try (InputStream fileStream = new FileInputStream(parcelFd.getFileDescriptor())) { |
| return BitmapFactory.decodeStream(fileStream); |
| } catch (IOException e) { |
| Log.e(TAG, "IO exception when closing the file stream.", e); |
| return null; |
| } finally { |
| try { |
| parcelFd.close(); |
| } catch (IOException e) { |
| Log.e(TAG, "IO exception when closing the file descriptor.", e); |
| } |
| } |
| } |
| |
| private long saveLockWallpaperHashCode(Bitmap lockBitmap) { |
| if (lockBitmap != null) { |
| long bitmapHash = BitmapUtils.generateHashCode(lockBitmap); |
| mWallpaperPreferences.setLockWallpaperHashCode(bitmapHash); |
| return bitmapHash; |
| } |
| return 0; |
| } |
| } |
| } |