Jon Miranda | 16ea1b1 | 2017-12-12 14:52:48 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package com.android.wallpaper.module; |
| 17 | |
| 18 | import android.annotation.SuppressLint; |
| 19 | import android.app.Activity; |
| 20 | import android.app.WallpaperManager; |
| 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
| 23 | import android.graphics.Bitmap; |
| 24 | import android.graphics.Bitmap.CompressFormat; |
| 25 | import android.graphics.BitmapFactory; |
| 26 | import android.graphics.Point; |
| 27 | import android.graphics.Rect; |
| 28 | import android.graphics.drawable.BitmapDrawable; |
| 29 | import android.os.AsyncTask; |
| 30 | import android.os.ParcelFileDescriptor; |
| 31 | import android.support.annotation.Nullable; |
| 32 | import android.util.Log; |
| 33 | import android.view.Display; |
| 34 | import android.view.WindowManager; |
| 35 | |
| 36 | import com.android.wallpaper.asset.Asset; |
| 37 | import com.android.wallpaper.asset.Asset.BitmapReceiver; |
| 38 | import com.android.wallpaper.asset.Asset.DimensionsReceiver; |
| 39 | import com.android.wallpaper.asset.BitmapUtils; |
| 40 | import com.android.wallpaper.asset.StreamableAsset; |
| 41 | import com.android.wallpaper.asset.StreamableAsset.StreamReceiver; |
| 42 | import com.android.wallpaper.compat.BuildCompat; |
| 43 | import com.android.wallpaper.compat.WallpaperManagerCompat; |
| 44 | import com.android.wallpaper.model.WallpaperInfo; |
| 45 | import com.android.wallpaper.module.BitmapCropper.Callback; |
| 46 | import com.android.wallpaper.module.RotatingWallpaperComponentChecker.RotatingWallpaperComponent; |
| 47 | import com.android.wallpaper.util.BitmapTransformer; |
| 48 | import com.android.wallpaper.util.DiskBasedLogger; |
| 49 | import com.android.wallpaper.util.ScreenSizeCalculator; |
| 50 | |
| 51 | import java.io.ByteArrayInputStream; |
| 52 | import java.io.ByteArrayOutputStream; |
| 53 | import java.io.File; |
| 54 | import java.io.FileInputStream; |
| 55 | import java.io.FileNotFoundException; |
| 56 | import java.io.FileOutputStream; |
| 57 | import java.io.IOException; |
| 58 | import java.io.InputStream; |
| 59 | import java.util.List; |
| 60 | |
| 61 | /** |
| 62 | * Concrete implementation of WallpaperPersister which actually sets wallpapers to the system via |
| 63 | * the WallpaperManager. |
| 64 | */ |
| 65 | public class DefaultWallpaperPersister implements WallpaperPersister { |
| 66 | |
| 67 | private static final int DEFAULT_COMPRESS_QUALITY = 100; |
| 68 | private static final String TAG = "WallpaperPersister"; |
| 69 | |
| 70 | private final Context mAppContext; // The application's context. |
| 71 | private final WallpaperManager mWallpaperManager; |
| 72 | private final WallpaperManagerCompat mWallpaperManagerCompat; |
| 73 | private final WallpaperPreferences mWallpaperPreferences; |
| 74 | private final RotatingWallpaperComponentChecker mRotatingWallpaperComponentChecker; |
| 75 | private final WallpaperChangedNotifier mWallpaperChangedNotifier; |
| 76 | |
| 77 | private WallpaperInfo mWallpaperInfoInPreview; |
| 78 | |
| 79 | @SuppressLint("ServiceCast") |
| 80 | public DefaultWallpaperPersister(Context context) { |
| 81 | mAppContext = context.getApplicationContext(); |
| 82 | // Retrieve WallpaperManager using Context#getSystemService instead of |
| 83 | // WallpaperManager#getInstance so it can be mocked out in test. |
| 84 | Injector injector = InjectorProvider.getInjector(); |
| 85 | mWallpaperManager = (WallpaperManager) context.getSystemService(Context.WALLPAPER_SERVICE); |
| 86 | mWallpaperManagerCompat = injector.getWallpaperManagerCompat(context); |
| 87 | mWallpaperPreferences = injector.getPreferences(context); |
| 88 | mRotatingWallpaperComponentChecker = injector.getRotatingWallpaperComponentChecker(); |
| 89 | mWallpaperChangedNotifier = WallpaperChangedNotifier.getInstance(); |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public void setIndividualWallpaper(final WallpaperInfo wallpaper, Asset asset, |
| 94 | @Nullable Rect cropRect, float scale, @Destination final int destination, |
| 95 | final SetWallpaperCallback callback) { |
| 96 | // Set wallpaper without downscaling directly from an input stream if there's no crop rect |
| 97 | // specified by the caller and the asset is streamable. |
| 98 | if (cropRect == null && asset instanceof StreamableAsset) { |
| 99 | ((StreamableAsset) asset).fetchInputStream(new StreamReceiver() { |
| 100 | @Override |
| 101 | public void onInputStreamOpened(@Nullable InputStream inputStream) { |
| 102 | if (inputStream == null) { |
| 103 | callback.onError(null /* throwable */); |
| 104 | return; |
| 105 | } |
| 106 | setIndividualWallpaper(wallpaper, inputStream, destination, callback); |
| 107 | } |
| 108 | }); |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | // If no crop rect is specified but the wallpaper asset is not streamable, then fall back to |
| 113 | // using the device's display size. |
| 114 | if (cropRect == null) { |
| 115 | Display display = ((WindowManager) mAppContext.getSystemService(Context.WINDOW_SERVICE)) |
| 116 | .getDefaultDisplay(); |
| 117 | Point screenSize = ScreenSizeCalculator.getInstance().getScreenSize(display); |
| 118 | asset.decodeBitmap(screenSize.x, screenSize.y, new BitmapReceiver() { |
| 119 | @Override |
| 120 | public void onBitmapDecoded(@Nullable Bitmap bitmap) { |
| 121 | if (bitmap == null) { |
| 122 | callback.onError(null /* throwable */); |
| 123 | return; |
| 124 | } |
| 125 | setIndividualWallpaper(wallpaper, bitmap, destination, callback); |
| 126 | } |
| 127 | }); |
| 128 | return; |
| 129 | } |
| 130 | |
| 131 | BitmapCropper bitmapCropper = InjectorProvider.getInjector().getBitmapCropper(); |
| 132 | bitmapCropper.cropAndScaleBitmap(asset, scale, cropRect, new Callback() { |
| 133 | @Override |
| 134 | public void onBitmapCropped(Bitmap croppedBitmap) { |
| 135 | setIndividualWallpaper(wallpaper, croppedBitmap, destination, callback); |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void onError(@Nullable Throwable e) { |
| 140 | callback.onError(e); |
| 141 | } |
| 142 | }); |
| 143 | } |
| 144 | |
| 145 | @Override |
| 146 | public void setIndividualWallpaperWithPosition(Activity activity, WallpaperInfo wallpaper, |
| 147 | @WallpaperPosition int wallpaperPosition, SetWallpaperCallback callback) { |
| 148 | Display display = ((WindowManager) mAppContext.getSystemService(Context.WINDOW_SERVICE)) |
| 149 | .getDefaultDisplay(); |
| 150 | Point screenSize = ScreenSizeCalculator.getInstance().getScreenSize(display); |
| 151 | |
| 152 | Asset asset = wallpaper.getAsset(activity); |
| 153 | asset.decodeRawDimensions(activity, new DimensionsReceiver() { |
| 154 | @Override |
| 155 | public void onDimensionsDecoded(@Nullable Point dimensions) { |
| 156 | if (dimensions == null) { |
| 157 | callback.onError(null); |
| 158 | return; |
| 159 | } |
| 160 | |
| 161 | switch (wallpaperPosition) { |
| 162 | // Crop out screen-sized center portion of the source image if it's larger than the screen |
| 163 | // in both dimensions. Otherwise, decode the entire bitmap and fill the space around it to |
| 164 | // fill a new screen-sized bitmap with plain black pixels. |
| 165 | case WALLPAPER_POSITION_CENTER: |
| 166 | setIndividualWallpaperWithCenterPosition( |
| 167 | wallpaper, asset, dimensions, screenSize, callback); |
| 168 | break; |
| 169 | |
| 170 | // Crop out a screen-size portion of the source image and set the bitmap region. |
| 171 | case WALLPAPER_POSITION_CENTER_CROP: |
| 172 | setIndividualWallpaperWithCenterCropPosition( |
| 173 | wallpaper, asset, dimensions, screenSize, callback); |
| 174 | break; |
| 175 | |
| 176 | // Decode full bitmap sized for screen and stretch it to fill the screen dimensions. |
| 177 | case WALLPAPER_POSITION_STRETCH: |
| 178 | asset.decodeBitmap(screenSize.x, screenSize.y, new BitmapReceiver() { |
| 179 | @Override |
| 180 | public void onBitmapDecoded(@Nullable Bitmap bitmap) { |
| 181 | setIndividualWallpaperStretch(wallpaper, bitmap, screenSize /* stretchSize */, |
| 182 | WallpaperPersister.DEST_BOTH, callback); |
| 183 | } |
| 184 | }); |
| 185 | break; |
| 186 | |
| 187 | default: |
| 188 | Log.e(TAG, "Unsupported wallpaper position option specified: " + wallpaperPosition); |
| 189 | callback.onError(null); |
| 190 | } |
| 191 | } |
| 192 | }); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Sets an individual wallpaper to both home + lock static wallpaper destinations with a center |
| 197 | * wallpaper position. |
| 198 | * |
| 199 | * @param wallpaper The wallpaper model object representing the wallpaper to be set. |
| 200 | * @param asset The wallpaper asset that should be used to set a wallpaper. |
| 201 | * @param dimensions Raw dimensions of the wallpaper asset. |
| 202 | * @param screenSize Dimensions of the device screen. |
| 203 | * @param callback Callback used to notify original caller of wallpaper set operation result. |
| 204 | */ |
| 205 | private void setIndividualWallpaperWithCenterPosition(WallpaperInfo wallpaper, Asset asset, |
| 206 | Point dimensions, Point screenSize, SetWallpaperCallback callback) { |
| 207 | if (dimensions.x >= screenSize.x && dimensions.y >= screenSize.y) { |
| 208 | Rect cropRect = new Rect( |
| 209 | (dimensions.x - screenSize.x) / 2, |
| 210 | (dimensions.y - screenSize.y) / 2, |
| 211 | dimensions.x - ((dimensions.x - screenSize.x) / 2), |
| 212 | dimensions.y - ((dimensions.y - screenSize.y) / 2)); |
| 213 | asset.decodeBitmapRegion(cropRect, screenSize.x, screenSize.y, new BitmapReceiver() { |
| 214 | @Override |
| 215 | public void onBitmapDecoded(@Nullable Bitmap bitmap) { |
| 216 | setIndividualWallpaper(wallpaper, bitmap, WallpaperPersister.DEST_BOTH, callback); |
| 217 | } |
| 218 | }); |
| 219 | } else { |
| 220 | // Decode the full bitmap and pass with the screen size as a fill rect. |
| 221 | asset.decodeBitmap(dimensions.x, dimensions.y, new BitmapReceiver() { |
| 222 | @Override |
| 223 | public void onBitmapDecoded(@Nullable Bitmap bitmap) { |
| 224 | if (bitmap == null) { |
| 225 | callback.onError(null); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | setIndividualWallpaperFill(wallpaper, bitmap, screenSize /* fillSize */, |
| 230 | WallpaperPersister.DEST_BOTH, callback); |
| 231 | } |
| 232 | }); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Sets an individual wallpaper to both home + lock static wallpaper destinations with a center |
| 238 | * cropped wallpaper position. |
| 239 | * |
| 240 | * @param wallpaper The wallpaper model object representing the wallpaper to be set. |
| 241 | * @param asset The wallpaper asset that should be used to set a wallpaper. |
| 242 | * @param dimensions Raw dimensions of the wallpaper asset. |
| 243 | * @param screenSize Dimensions of the device screen. |
| 244 | * @param callback Callback used to notify original caller of wallpaper set operation result. |
| 245 | */ |
| 246 | private void setIndividualWallpaperWithCenterCropPosition(WallpaperInfo wallpaper, Asset asset, |
| 247 | Point dimensions, Point screenSize, SetWallpaperCallback callback) { |
| 248 | float scale = Math.max((float) screenSize.x / dimensions.x, |
| 249 | (float) screenSize.y / dimensions.y); |
| 250 | |
| 251 | int scaledImageWidth = (int) (dimensions.x * scale); |
| 252 | int scaledImageHeight = (int) (dimensions.y * scale); |
| 253 | |
| 254 | // Crop rect is in post-scale units. |
| 255 | Rect cropRect = new Rect( |
| 256 | (scaledImageWidth - screenSize.x) / 2, |
| 257 | (scaledImageHeight - screenSize.y) / 2, |
| 258 | scaledImageWidth - ((scaledImageWidth - screenSize.x) / 2), |
| 259 | scaledImageHeight - (((scaledImageHeight - screenSize.y) / 2))); |
| 260 | |
| 261 | setIndividualWallpaper( |
| 262 | wallpaper, asset, cropRect, scale, WallpaperPersister.DEST_BOTH, callback); |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Sets a static individual wallpaper to the system via the WallpaperManager. |
| 267 | * |
| 268 | * @param wallpaper Wallpaper model object. |
| 269 | * @param croppedBitmap Bitmap representing the individual wallpaper image. |
| 270 | * @param destination The destination - where to set the wallpaper to. |
| 271 | * @param callback Called once the wallpaper was set or if an error occurred. |
| 272 | */ |
| 273 | private void setIndividualWallpaper(WallpaperInfo wallpaper, Bitmap croppedBitmap, |
| 274 | @Destination int destination, SetWallpaperCallback callback) { |
| 275 | SetWallpaperTask setWallpaperTask = |
| 276 | new SetWallpaperTask(wallpaper, croppedBitmap, destination, callback); |
| 277 | setWallpaperTask.execute(); |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Sets a static individual wallpaper to the system via the WallpaperManager with a fill option. |
| 282 | * |
| 283 | * @param wallpaper Wallpaper model object. |
| 284 | * @param croppedBitmap Bitmap representing the individual wallpaper image. |
| 285 | * @param fillSize Specifies the final bitmap size that should be set to WallpaperManager. This |
| 286 | * final bitmap will show the visible area of the provided bitmap after applying a mask with |
| 287 | * black background the source bitmap and centering. There may be black borders around the |
| 288 | * original bitmap if it's smaller than the fillSize in one or both dimensions. |
| 289 | * @param destination The destination - where to set the wallpaper to. |
| 290 | * @param callback Called once the wallpaper was set or if an error occurred. |
| 291 | */ |
| 292 | private void setIndividualWallpaperFill(WallpaperInfo wallpaper, Bitmap croppedBitmap, |
| 293 | Point fillSize, @Destination int destination, SetWallpaperCallback callback) { |
| 294 | SetWallpaperTask setWallpaperTask = |
| 295 | new SetWallpaperTask(wallpaper, croppedBitmap, destination, callback); |
| 296 | setWallpaperTask.setFillSize(fillSize); |
| 297 | setWallpaperTask.execute(); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Sets a static individual wallpaper to the system via the WallpaperManager with a stretch |
| 302 | * option. |
| 303 | * |
| 304 | * @param wallpaper Wallpaper model object. |
| 305 | * @param croppedBitmap Bitmap representing the individual wallpaper image. |
| 306 | * @param stretchSize Specifies the final size to which the the bitmap should be stretched prior |
| 307 | * to being set to the device. |
| 308 | * @param destination The destination - where to set the wallpaper to. |
| 309 | * @param callback Called once the wallpaper was set or if an error occurred. |
| 310 | */ |
| 311 | private void setIndividualWallpaperStretch(WallpaperInfo wallpaper, Bitmap croppedBitmap, |
| 312 | Point stretchSize, @Destination int destination, SetWallpaperCallback callback) { |
| 313 | SetWallpaperTask setWallpaperTask = |
| 314 | new SetWallpaperTask(wallpaper, croppedBitmap, destination, callback); |
| 315 | setWallpaperTask.setStretchSize(stretchSize); |
| 316 | setWallpaperTask.execute(); |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Sets a static individual wallpaper stream to the system via the WallpaperManager. |
| 321 | * |
| 322 | * @param wallpaper Wallpaper model object. |
| 323 | * @param inputStream JPEG or PNG stream of wallpaper image's bytes. |
| 324 | * @param destination The destination - where to set the wallpaper to. |
| 325 | * @param callback Called once the wallpaper was set or if an error occurred. |
| 326 | */ |
| 327 | private void setIndividualWallpaper(WallpaperInfo wallpaper, InputStream inputStream, |
| 328 | @Destination int destination, SetWallpaperCallback callback) { |
| 329 | SetWallpaperTask setWallpaperTask = |
| 330 | new SetWallpaperTask(wallpaper, inputStream, destination, callback); |
| 331 | setWallpaperTask.execute(); |
| 332 | } |
| 333 | |
| 334 | @Override |
| 335 | public boolean setWallpaperInRotation(Bitmap wallpaperBitmap, List<String> attributions, |
| 336 | String actionUrl, String collectionId) { |
| 337 | @RotatingWallpaperComponent int rotatingWallpaperComponent = mRotatingWallpaperComponentChecker |
| 338 | .getCurrentRotatingWallpaperComponent(mAppContext); |
| 339 | |
| 340 | switch (rotatingWallpaperComponent) { |
| 341 | case RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC: |
| 342 | return setWallpaperInRotationStatic(wallpaperBitmap, attributions, actionUrl, collectionId); |
| 343 | case RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_LIVE: |
| 344 | return setWallpaperInRotationLive(wallpaperBitmap, attributions, actionUrl, collectionId); |
| 345 | default: |
| 346 | Log.e(TAG, "Unknown rotating wallpaper component: " + rotatingWallpaperComponent); |
| 347 | return false; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | @Override |
| 352 | public int setWallpaperBitmapInNextRotation(Bitmap wallpaperBitmap) { |
| 353 | @RotatingWallpaperComponent int rotatingWallpaperComponent = mRotatingWallpaperComponentChecker |
| 354 | .getNextRotatingWallpaperComponent(mAppContext); |
| 355 | |
| 356 | switch (rotatingWallpaperComponent) { |
| 357 | case RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC: |
| 358 | return setWallpaperBitmapInRotationStatic(wallpaperBitmap); |
| 359 | case RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_LIVE: |
| 360 | boolean isSuccess = setWallpaperBitmapInRotationLive(wallpaperBitmap, true /* isPreview */); |
| 361 | return isSuccess ? 1 : 0; |
| 362 | default: |
| 363 | Log.e(TAG, "Unknown rotating wallpaper component: " + rotatingWallpaperComponent); |
| 364 | return 0; |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | @Override |
| 369 | public boolean finalizeWallpaperForNextRotation(List<String> attributions, String actionUrl, |
| 370 | String collectionId, int wallpaperId) { |
| 371 | @RotatingWallpaperComponent int rotatingWallpaperComponent = mRotatingWallpaperComponentChecker |
| 372 | .getNextRotatingWallpaperComponent(mAppContext); |
| 373 | return finalizeWallpaperForRotatingComponent(attributions, actionUrl, collectionId, |
| 374 | wallpaperId, rotatingWallpaperComponent); |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Sets wallpaper image and attributions when a static wallpaper is responsible for presenting the |
| 379 | * current "daily wallpaper". |
| 380 | */ |
| 381 | private boolean setWallpaperInRotationStatic(Bitmap wallpaperBitmap, List<String> attributions, |
| 382 | String actionUrl, String collectionId) { |
| 383 | final int wallpaperId = setWallpaperBitmapInRotationStatic(wallpaperBitmap); |
| 384 | |
| 385 | if (wallpaperId == 0) { |
| 386 | return false; |
| 387 | } |
| 388 | |
| 389 | return finalizeWallpaperForRotatingComponent(attributions, actionUrl, collectionId, |
| 390 | wallpaperId, RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * Finalizes wallpaper metadata by persisting them to SharedPreferences and finalizes the |
| 395 | * wallpaper image for live rotating components by copying the "preview" image to the "final" |
| 396 | * image file location. |
| 397 | * |
| 398 | * @return Whether the operation was successful. |
| 399 | */ |
| 400 | private boolean finalizeWallpaperForRotatingComponent(List<String> attributions, |
| 401 | String actionUrl, String collectionId, int wallpaperId, |
| 402 | @RotatingWallpaperComponent int rotatingWallpaperComponent) { |
| 403 | mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| 404 | |
| 405 | boolean isLockWallpaperSet = isSeparateLockScreenWallpaperSet(); |
| 406 | |
| 407 | // Persist wallpaper IDs if the rotating wallpaper component is static and this device is |
| 408 | // running Android N or later. |
| 409 | if (rotatingWallpaperComponent |
| 410 | == RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC) { |
| 411 | if (BuildCompat.isAtLeastN()) { |
| 412 | mWallpaperPreferences.setHomeWallpaperManagerId(wallpaperId); |
| 413 | |
| 414 | // Only copy over wallpaper ID to lock wallpaper if no explicit lock wallpaper is set (so |
| 415 | // metadata isn't lost if a user explicitly sets a home-only wallpaper). |
| 416 | if (!isLockWallpaperSet) { |
| 417 | mWallpaperPreferences.setLockWallpaperId(wallpaperId); |
| 418 | } |
| 419 | } else { // Pre-N but using static component |
| 420 | // Compute bitmap hash code after setting the wallpaper because JPEG compression has likely |
| 421 | // changed many pixels' color values. Forget the previously loaded wallpaper bitmap so that |
| 422 | // WallpaperManager doesn't return the old wallpaper drawable. |
| 423 | mWallpaperManager.forgetLoadedWallpaper(); |
| 424 | Bitmap bitmap = ((BitmapDrawable) mWallpaperManagerCompat.getDrawable()).getBitmap(); |
| 425 | long bitmapHash = BitmapUtils.generateHashCode(bitmap); |
| 426 | |
| 427 | mWallpaperPreferences.setHomeWallpaperHashCode(bitmapHash); |
| 428 | } |
| 429 | } else { // Live wallpaper rotating component. |
| 430 | |
| 431 | // Copy "preview" JPEG to "rotating" JPEG if the preview file exists. |
| 432 | File previewWallpaper = new File(mAppContext.getFilesDir(), |
| 433 | NoBackupImageWallpaper.PREVIEW_WALLPAPER_FILE_PATH); |
| 434 | File rotatingWallpaper = new File(mAppContext.getFilesDir(), |
| 435 | NoBackupImageWallpaper.ROTATING_WALLPAPER_FILE_PATH); |
| 436 | if (previewWallpaper.exists()) { |
| 437 | try { |
| 438 | if (!previewWallpaper.renameTo(rotatingWallpaper)) { |
| 439 | DiskBasedLogger.e( |
| 440 | TAG, |
| 441 | "Unable to rename preview to final file for rotating wallpaper file", |
| 442 | mAppContext); |
| 443 | return false; |
| 444 | } |
| 445 | } catch (Exception e) { |
| 446 | DiskBasedLogger.e( |
| 447 | TAG, |
| 448 | "Unable to rename preview to final file for rotating wallpaper file (exception)" |
| 449 | + e.toString(), |
| 450 | mAppContext); |
| 451 | return false; |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | try { |
| 456 | FileInputStream fis = new FileInputStream(rotatingWallpaper.getAbsolutePath()); |
| 457 | Bitmap bitmap = BitmapFactory.decodeStream(fis); |
| 458 | fis.close(); |
| 459 | |
| 460 | if (bitmap != null) { |
| 461 | long bitmapHash = BitmapUtils.generateHashCode(bitmap); |
| 462 | mWallpaperPreferences.setHomeWallpaperHashCode(bitmapHash); |
| 463 | } else { |
| 464 | Log.e(TAG, "Unable to decode rotating wallpaper file"); |
| 465 | return false; |
| 466 | } |
| 467 | } catch (FileNotFoundException e) { |
| 468 | Log.e(TAG, "Rotating wallpaper file not found at path: " |
| 469 | + rotatingWallpaper.getAbsolutePath()); |
| 470 | e.printStackTrace(); |
| 471 | return false; |
| 472 | } catch (IOException e) { |
| 473 | Log.e(TAG, "IOException when closing FileInputStream " + e); |
| 474 | return false; |
| 475 | } |
| 476 | |
| 477 | mWallpaperChangedNotifier.notifyWallpaperChanged(); |
| 478 | |
| 479 | // Send a broadcast to {@link RotatingWallpaperChangedReceiver} in the :live_wallpaper |
| 480 | // process so the currently displayed wallpaper updates. |
| 481 | notifyLiveWallpaperBitmapChanged(); |
| 482 | } |
| 483 | |
| 484 | mWallpaperPreferences.setHomeWallpaperAttributions(attributions); |
| 485 | mWallpaperPreferences.setHomeWallpaperActionUrl(actionUrl); |
| 486 | // Only set base image URL for static Backdrop images, not for rotation. |
| 487 | mWallpaperPreferences.setHomeWallpaperBaseImageUrl(null); |
| 488 | mWallpaperPreferences.setHomeWallpaperCollectionId(collectionId); |
| 489 | |
| 490 | // Set metadata to lock screen also when the rotating wallpaper is a static one so if user sets |
| 491 | // a home screen-only wallpaper later, these attributions will still be available. |
| 492 | if (rotatingWallpaperComponent |
| 493 | == RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC |
| 494 | && !isLockWallpaperSet) { |
| 495 | mWallpaperPreferences.setLockWallpaperAttributions(attributions); |
| 496 | mWallpaperPreferences.setLockWallpaperActionUrl(actionUrl); |
| 497 | mWallpaperPreferences.setLockWallpaperCollectionId(collectionId); |
| 498 | } |
| 499 | |
| 500 | return true; |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * Sets wallpaper image and attributions when a live wallpaper is responsible for presenting the |
| 505 | * current "daily wallpaper". |
| 506 | */ |
| 507 | private boolean setWallpaperInRotationLive(Bitmap wallpaperBitmap, List<String> attributions, |
| 508 | String actionUrl, String collectionId) { |
| 509 | |
| 510 | synchronized (RotatingWallpaperLockProvider.getInstance()) { |
| 511 | if (!setWallpaperBitmapInRotationLive(wallpaperBitmap, false /* isPreview */)) { |
| 512 | return false; |
| 513 | } |
| 514 | |
| 515 | return finalizeWallpaperForRotatingComponent(attributions, actionUrl, collectionId, |
| 516 | 0 /* wallpaperId */, RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_LIVE); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | /** |
| 521 | * Sets a wallpaper in rotation as a static wallpaper to the {@link WallpaperManager} with the |
| 522 | * option allowBackup=false to save user data. |
| 523 | * |
| 524 | * @return wallpaper ID for the wallpaper bitmap. |
| 525 | */ |
| 526 | private int setWallpaperBitmapInRotationStatic(Bitmap wallpaperBitmap) { |
| 527 | // Set wallpaper to home-only instead of both home and lock if there's a distinct lock-only |
| 528 | // static wallpaper set so we don't override the lock wallpaper. |
| 529 | boolean isLockWallpaperSet = isSeparateLockScreenWallpaperSet(); |
| 530 | |
| 531 | int whichWallpaper = (isLockWallpaperSet) |
| 532 | ? WallpaperManagerCompat.FLAG_SYSTEM |
| 533 | : WallpaperManagerCompat.FLAG_SYSTEM | WallpaperManagerCompat.FLAG_LOCK; |
| 534 | |
| 535 | return setBitmapToWallpaperManagerCompat(wallpaperBitmap, false /* allowBackup */, |
| 536 | whichWallpaper); |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * Sets a wallpaper in rotation as a live wallpaper. Writes wallpaper bitmap to a file in internal |
| 541 | * storage and sends a broadcast to the live wallpaper notifying it that rotating wallpaper image |
| 542 | * data changed. |
| 543 | * |
| 544 | * @return whether the set wallpaper operation was successful. |
| 545 | */ |
| 546 | private boolean setWallpaperBitmapInRotationLive(Bitmap wallpaperBitmap, boolean isPreview) { |
| 547 | File pendingFile; |
| 548 | try { |
| 549 | pendingFile = File.createTempFile("rotating_pending", ".jpg", mAppContext.getFilesDir()); |
| 550 | } catch (IOException e) { |
| 551 | Log.e(TAG, "Unable to create temp file for rotating wallpaper"); |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | File finalFile = isPreview |
| 556 | ? new File(mAppContext.getFilesDir(), NoBackupImageWallpaper.PREVIEW_WALLPAPER_FILE_PATH) |
| 557 | : new File(mAppContext.getFilesDir(), NoBackupImageWallpaper.ROTATING_WALLPAPER_FILE_PATH); |
| 558 | |
| 559 | FileOutputStream fos; |
| 560 | try { |
| 561 | fos = mAppContext.openFileOutput(pendingFile.getName(), Context.MODE_PRIVATE); |
| 562 | } catch (FileNotFoundException e) { |
| 563 | Log.e(TAG, "Unable to open file output stream for pending rotating wallpaper file"); |
| 564 | return false; |
| 565 | } |
| 566 | |
| 567 | boolean compressedSuccessfully = |
| 568 | wallpaperBitmap.compress(CompressFormat.JPEG, DEFAULT_COMPRESS_QUALITY, fos); |
| 569 | |
| 570 | // Close the file stream. |
| 571 | try { |
| 572 | fos.flush(); |
| 573 | fos.close(); |
| 574 | } catch (IOException e) { |
| 575 | Log.e(TAG, "Unable to close FileOutputStream for pending rotating wallpaper file" |
| 576 | + " (compress succeeded"); |
| 577 | return false; |
| 578 | } |
| 579 | |
| 580 | if (compressedSuccessfully) { |
| 581 | // Compressing/writing to disk succeeded, so move the pending file to the final location. |
| 582 | try { |
| 583 | if (!pendingFile.renameTo(finalFile)) { |
| 584 | return false; |
| 585 | } |
| 586 | } catch (Exception e) { |
| 587 | Log.e(TAG, "Unable to rename pending to final file for rotating wallpaper file" |
| 588 | + " (exception)" + e.toString()); |
| 589 | return false; |
| 590 | } |
| 591 | } else { |
| 592 | Log.e(TAG, "Unable to compress the wallpaper bitmap"); |
| 593 | |
| 594 | // Delete the pending file since compressing/writing the image to disk failed. |
| 595 | try { |
| 596 | pendingFile.delete(); |
| 597 | } catch (SecurityException e) { |
| 598 | Log.e(TAG, "Unable to delete pending rotating wallpaper file"); |
| 599 | return false; |
| 600 | } |
| 601 | |
| 602 | return false; |
| 603 | } |
| 604 | |
| 605 | mWallpaperChangedNotifier.notifyWallpaperChanged(); |
| 606 | |
| 607 | // Send a broadcast to {@link RotatingWallpaperChangedReceiver} in the :live_wallpaper |
| 608 | // process so the currently displayed wallpaper updates if the live wallpaper is set to the |
| 609 | // device. |
| 610 | notifyLiveWallpaperBitmapChanged(); |
| 611 | |
| 612 | return true; |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * Sets a wallpaper bitmap to the {@link WallpaperManagerCompat}. |
| 617 | * |
| 618 | * @return an integer wallpaper ID. This is an actual wallpaper ID on N and later versions of |
| 619 | * Android, otherwise on pre-N versions of Android will return a positive integer when the |
| 620 | * operation was successful and zero if the operation encountered an error. |
| 621 | */ |
| 622 | private int setBitmapToWallpaperManagerCompat(Bitmap wallpaperBitmap, boolean allowBackup, |
| 623 | int whichWallpaper) { |
| 624 | ByteArrayOutputStream tmpOut = new ByteArrayOutputStream(); |
| 625 | if (wallpaperBitmap.compress(CompressFormat.JPEG, DEFAULT_COMPRESS_QUALITY, tmpOut)) { |
| 626 | try { |
| 627 | byte[] outByteArray = tmpOut.toByteArray(); |
| 628 | return mWallpaperManagerCompat.setStream( |
| 629 | new ByteArrayInputStream(outByteArray), |
| 630 | null /* visibleCropHint */, |
| 631 | allowBackup, |
| 632 | whichWallpaper); |
| 633 | } catch (IOException e) { |
| 634 | Log.e(TAG, "unable to write stream to wallpaper manager"); |
| 635 | return 0; |
| 636 | } |
| 637 | } else { |
| 638 | Log.e(TAG, "unable to compress wallpaper"); |
| 639 | try { |
| 640 | return mWallpaperManagerCompat.setBitmap( |
| 641 | wallpaperBitmap, |
| 642 | null /* visibleCropHint */, |
| 643 | allowBackup, |
| 644 | whichWallpaper); |
| 645 | } catch (IOException e) { |
| 646 | Log.e(TAG, "unable to set wallpaper"); |
| 647 | return 0; |
| 648 | } |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | private int setStreamToWallpaperManagerCompat(InputStream inputStream, boolean allowBackup, |
| 653 | int whichWallpaper) { |
| 654 | try { |
| 655 | return mWallpaperManagerCompat.setStream(inputStream, null, allowBackup, whichWallpaper); |
| 656 | } catch (IOException e) { |
| 657 | return 0; |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | @Override |
| 662 | public void setWallpaperInfoInPreview(WallpaperInfo wallpaper) { |
| 663 | mWallpaperInfoInPreview = wallpaper; |
| 664 | } |
| 665 | |
| 666 | @Override |
| 667 | public void onLiveWallpaperSet() { |
| 668 | android.app.WallpaperInfo currentWallpaperComponent = mWallpaperManager.getWallpaperInfo(); |
| 669 | android.app.WallpaperInfo previewedWallpaperComponent = |
| 670 | mWallpaperInfoInPreview.getWallpaperComponent(); |
| 671 | |
| 672 | // If there is no live wallpaper set on the WallpaperManager or it doesn't match the |
| 673 | // WallpaperInfo which was last previewed, then do nothing and nullify last previewed wallpaper. |
| 674 | if (currentWallpaperComponent == null || previewedWallpaperComponent == null |
| 675 | || !currentWallpaperComponent.getPackageName() |
| 676 | .equals(previewedWallpaperComponent.getPackageName())) { |
| 677 | mWallpaperInfoInPreview = null; |
| 678 | return; |
| 679 | } |
| 680 | |
| 681 | setLiveWallpaperMetadata(); |
| 682 | } |
| 683 | |
| 684 | /** |
| 685 | * Returns whether a separate lock-screen (static) wallpaper is set to the WallpaperManager. |
| 686 | */ |
| 687 | private boolean isSeparateLockScreenWallpaperSet() { |
| 688 | ParcelFileDescriptor lockWallpaperFile = |
| 689 | mWallpaperManagerCompat.getWallpaperFile(WallpaperManagerCompat.FLAG_LOCK); |
| 690 | |
| 691 | boolean isLockWallpaperSet = false; |
| 692 | |
| 693 | if (lockWallpaperFile != null) { |
| 694 | isLockWallpaperSet = true; |
| 695 | |
| 696 | try { |
| 697 | lockWallpaperFile.close(); |
| 698 | } catch (IOException e) { |
| 699 | Log.e(TAG, "Unable to close PFD for lock wallpaper", e); |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | return isLockWallpaperSet; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * Sets the live wallpaper's metadata on SharedPreferences. |
| 708 | */ |
| 709 | private void setLiveWallpaperMetadata() { |
| 710 | android.app.WallpaperInfo previewedWallpaperComponent = |
| 711 | mWallpaperInfoInPreview.getWallpaperComponent(); |
| 712 | |
| 713 | mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| 714 | // NOTE: We explicitly do not also clear the lock wallpaper metadata. Since the user may have |
| 715 | // set the live wallpaper on the home screen only, we leave the lock wallpaper metadata intact. |
| 716 | // If the user has set the live wallpaper for both home and lock screens, then the |
| 717 | // WallpaperRefresher will pick up on that and update the preferences later. |
| 718 | mWallpaperPreferences |
| 719 | .setHomeWallpaperAttributions(mWallpaperInfoInPreview.getAttributions(mAppContext)); |
| 720 | mWallpaperPreferences.setHomeWallpaperPackageName( |
| 721 | previewedWallpaperComponent.getPackageName()); |
| 722 | mWallpaperPreferences.setHomeWallpaperCollectionId( |
| 723 | mWallpaperInfoInPreview.getCollectionId(mAppContext)); |
| 724 | mWallpaperPreferences.setWallpaperPresentationMode( |
| 725 | WallpaperPreferences.PRESENTATION_MODE_STATIC); |
| 726 | mWallpaperPreferences.clearDailyRotations(); |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * Notifies the :live_wallpaper process that the contents of the rotating live wallpaper bitmap |
| 731 | * changed. |
| 732 | */ |
| 733 | private void notifyLiveWallpaperBitmapChanged() { |
| 734 | Intent intent = new Intent(NoBackupImageWallpaper.ACTION_ROTATING_WALLPAPER_CHANGED); |
| 735 | // Handled by a runtime-registered receiver in NoBackupImageWallpaper. |
| 736 | intent.setPackage(mAppContext.getPackageName()); |
| 737 | mAppContext.sendBroadcast(intent); |
| 738 | } |
| 739 | |
| 740 | private class SetWallpaperTask extends AsyncTask<Void, Void, Boolean> { |
| 741 | |
| 742 | private final WallpaperInfo mWallpaper; |
| 743 | @Destination |
| 744 | private final int mDestination; |
| 745 | private final WallpaperPersister.SetWallpaperCallback mCallback; |
| 746 | |
| 747 | private Bitmap mBitmap; |
| 748 | private InputStream mInputStream; |
| 749 | |
| 750 | /** |
| 751 | * Optional parameters for applying a post-decoding fill or stretch transformation. |
| 752 | */ |
| 753 | @Nullable |
| 754 | private Point mFillSize; |
| 755 | @Nullable |
| 756 | private Point mStretchSize; |
| 757 | |
| 758 | SetWallpaperTask(WallpaperInfo wallpaper, Bitmap bitmap, @Destination int destination, |
| 759 | WallpaperPersister.SetWallpaperCallback callback) { |
| 760 | super(); |
| 761 | mWallpaper = wallpaper; |
| 762 | mBitmap = bitmap; |
| 763 | mDestination = destination; |
| 764 | mCallback = callback; |
| 765 | } |
| 766 | |
| 767 | /** |
| 768 | * Constructor for SetWallpaperTask which takes an InputStream instead of a bitmap. The task |
| 769 | * will close the InputStream once it is done with it. |
| 770 | */ |
| 771 | SetWallpaperTask(WallpaperInfo wallpaper, InputStream stream, |
| 772 | @Destination int destination, WallpaperPersister.SetWallpaperCallback callback) { |
| 773 | mWallpaper = wallpaper; |
| 774 | mInputStream = stream; |
| 775 | mDestination = destination; |
| 776 | mCallback = callback; |
| 777 | } |
| 778 | |
| 779 | void setFillSize(Point fillSize) { |
| 780 | if (mStretchSize != null) { |
| 781 | throw new IllegalArgumentException("Can't pass a fill size option if a stretch size is " |
| 782 | + "already set."); |
| 783 | } |
| 784 | mFillSize = fillSize; |
| 785 | } |
| 786 | |
| 787 | void setStretchSize(Point stretchSize) { |
| 788 | if (mFillSize != null) { |
| 789 | throw new IllegalArgumentException("Can't pass a stretch size option if a fill size is " |
| 790 | + "already set."); |
| 791 | } |
| 792 | mStretchSize = stretchSize; |
| 793 | } |
| 794 | |
| 795 | @Override |
| 796 | protected Boolean doInBackground(Void... unused) { |
| 797 | int whichWallpaper; |
| 798 | if (mDestination == DEST_HOME_SCREEN) { |
| 799 | whichWallpaper = WallpaperManagerCompat.FLAG_SYSTEM; |
| 800 | } else if (mDestination == DEST_LOCK_SCREEN) { |
| 801 | whichWallpaper = WallpaperManagerCompat.FLAG_LOCK; |
| 802 | } else { // DEST_BOTH |
| 803 | whichWallpaper = WallpaperManagerCompat.FLAG_SYSTEM |
| 804 | | WallpaperManagerCompat.FLAG_LOCK; |
| 805 | } |
| 806 | |
| 807 | // NOTE: The rotating wallpaper component must be determined here, _before_ actually setting |
| 808 | // the bitmap/stream on WallpaperManagerCompat, to ensure that the |
| 809 | // RotatingWallpaperComponentChecker is doing its check while rotation is still enabled. |
| 810 | // E.g., if "live wallpaper" is the component, then it needs to check while live wallpaper is |
| 811 | // still set as the active wallpaper on the device. Otherwise, the checker would see a static |
| 812 | // wallpaper is currently set and it would return the wrong value. |
| 813 | @RotatingWallpaperComponent int currentRotatingWallpaperComponent = |
| 814 | mRotatingWallpaperComponentChecker.getCurrentRotatingWallpaperComponent(mAppContext); |
| 815 | |
| 816 | boolean wasLockWallpaperSet = LockWallpaperStatusChecker.isLockWallpaperSet(mAppContext); |
| 817 | |
| 818 | boolean allowBackup = mWallpaper.getBackupPermission() == WallpaperInfo.BACKUP_ALLOWED; |
| 819 | final int wallpaperId; |
| 820 | if (mBitmap != null) { |
| 821 | // Apply fill or stretch transformations on mBitmap if necessary. |
| 822 | if (mFillSize != null) { |
| 823 | mBitmap = BitmapTransformer.applyFillTransformation(mBitmap, mFillSize); |
| 824 | } |
| 825 | if (mStretchSize != null) { |
| 826 | mBitmap = Bitmap.createScaledBitmap(mBitmap, mStretchSize.x, mStretchSize.y, true); |
| 827 | } |
| 828 | |
| 829 | wallpaperId = setBitmapToWallpaperManagerCompat(mBitmap, allowBackup, whichWallpaper); |
| 830 | } else if (mInputStream != null) { |
| 831 | wallpaperId = setStreamToWallpaperManagerCompat(mInputStream, allowBackup, whichWallpaper); |
| 832 | } else { |
| 833 | Log.e(TAG, "Both the wallpaper bitmap and input stream are null so we're unable to set any " |
| 834 | + "kind of wallpaper here."); |
| 835 | wallpaperId = 0; |
| 836 | } |
| 837 | |
| 838 | if (wallpaperId > 0) { |
| 839 | if (mDestination == DEST_HOME_SCREEN |
| 840 | && mWallpaperPreferences.getWallpaperPresentationMode() |
| 841 | == WallpaperPreferences.PRESENTATION_MODE_ROTATING |
| 842 | && !wasLockWallpaperSet |
| 843 | && BuildCompat.isAtLeastN()) { |
| 844 | copyRotatingWallpaperToLock(currentRotatingWallpaperComponent); |
| 845 | } |
| 846 | setImageWallpaperMetadata(mDestination, wallpaperId); |
| 847 | return true; |
| 848 | } else { |
| 849 | return false; |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | @Override |
| 854 | protected void onPostExecute(Boolean isSuccess) { |
| 855 | if (mInputStream != null) { |
| 856 | try { |
| 857 | mInputStream.close(); |
| 858 | } catch (IOException e) { |
| 859 | Log.e(TAG, "Failed to close input stream " + e); |
| 860 | mCallback.onError(e /* throwable */); |
| 861 | return; |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | if (isSuccess) { |
| 866 | mCallback.onSuccess(); |
| 867 | mWallpaperChangedNotifier.notifyWallpaperChanged(); |
| 868 | } else { |
| 869 | mCallback.onError(null /* throwable */); |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | /** |
| 874 | * Copies home wallpaper metadata to lock, and if rotation was enabled with a live wallpaper |
| 875 | * previously, then copies over the rotating wallpaper image to the WallpaperManager also. |
| 876 | * <p> |
| 877 | * Used to accommodate the case where a user had gone from a home+lock daily rotation to |
| 878 | * selecting a static wallpaper on home-only. The image and metadata that was previously |
| 879 | * rotating is now copied to the lock screen. |
| 880 | * |
| 881 | * @param currentRotatingWallpaperComponent The component in which rotating wallpapers were |
| 882 | * presented. |
| 883 | */ |
| 884 | private void copyRotatingWallpaperToLock( |
| 885 | @RotatingWallpaperComponent int currentRotatingWallpaperComponent) { |
| 886 | |
| 887 | mWallpaperPreferences.setLockWallpaperAttributions( |
| 888 | mWallpaperPreferences.getHomeWallpaperAttributions()); |
| 889 | mWallpaperPreferences.setLockWallpaperActionUrl( |
| 890 | mWallpaperPreferences.getHomeWallpaperActionUrl()); |
| 891 | mWallpaperPreferences.setLockWallpaperCollectionId( |
| 892 | mWallpaperPreferences.getHomeWallpaperCollectionId()); |
| 893 | |
| 894 | // Set the lock wallpaper ID to what Android set it to, following its having |
| 895 | // copied the system wallpaper over to the lock screen when we changed from |
| 896 | // "both" to distinct system and lock screen wallpapers. |
| 897 | if (currentRotatingWallpaperComponent |
| 898 | == RotatingWallpaperComponentChecker.ROTATING_WALLPAPER_COMPONENT_STATIC) { |
| 899 | mWallpaperPreferences.setLockWallpaperId( |
| 900 | mWallpaperManagerCompat.getWallpaperId(WallpaperManagerCompat.FLAG_LOCK)); |
| 901 | } else { |
| 902 | File rotatingWallpaper = new File(mAppContext.getFilesDir(), |
| 903 | NoBackupImageWallpaper.ROTATING_WALLPAPER_FILE_PATH); |
| 904 | try { |
| 905 | FileInputStream fileInputStream = new FileInputStream( |
| 906 | rotatingWallpaper.getAbsolutePath()); |
| 907 | int lockWallpaperId = setStreamToWallpaperManagerCompat( |
| 908 | fileInputStream, false /* allowBackup */, WallpaperManagerCompat.FLAG_LOCK); |
| 909 | fileInputStream.close(); |
| 910 | mWallpaperPreferences.setLockWallpaperId(lockWallpaperId); |
| 911 | } catch (FileNotFoundException e) { |
| 912 | Log.e(TAG, "Couldn't copy over previously rotating wallpaper to lock screen."); |
| 913 | } catch (IOException e) { |
| 914 | Log.e(TAG, "IOException when closing the file input stream " + e); |
| 915 | } |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | /** |
| 920 | * Sets the image wallpaper's metadata on SharedPreferences. This method is called after the set |
| 921 | * wallpaper operation is successful. |
| 922 | * |
| 923 | * @param destination Which destination of wallpaper the metadata corresponds to (home screen, |
| 924 | * lock screen, or both). |
| 925 | * @param wallpaperId The ID of the static wallpaper returned by WallpaperManager, which on N |
| 926 | * and later versions of Android uniquely identifies a wallpaper image. |
| 927 | */ |
| 928 | private void setImageWallpaperMetadata(@Destination int destination, int wallpaperId) { |
| 929 | if (destination == DEST_HOME_SCREEN || destination == DEST_BOTH) { |
| 930 | mWallpaperPreferences.clearHomeWallpaperMetadata(); |
| 931 | setImageWallpaperHomeMetadata(wallpaperId); |
| 932 | |
| 933 | // Reset presentation mode to STATIC if an individual wallpaper is set to the home screen |
| 934 | // because rotation always affects at least the home screen. |
| 935 | mWallpaperPreferences.setWallpaperPresentationMode( |
| 936 | WallpaperPreferences.PRESENTATION_MODE_STATIC); |
| 937 | } |
| 938 | |
| 939 | if (destination == DEST_LOCK_SCREEN || destination == DEST_BOTH) { |
| 940 | mWallpaperPreferences.clearLockWallpaperMetadata(); |
| 941 | setImageWallpaperLockMetadata(wallpaperId); |
| 942 | } |
| 943 | |
| 944 | mWallpaperPreferences.clearDailyRotations(); |
| 945 | } |
| 946 | |
| 947 | private void setImageWallpaperHomeMetadata(int homeWallpaperId) { |
| 948 | if (BuildCompat.isAtLeastN()) { |
| 949 | mWallpaperPreferences.setHomeWallpaperManagerId(homeWallpaperId); |
| 950 | } |
| 951 | |
| 952 | // Compute bitmap hash code after setting the wallpaper because JPEG compression has likely |
| 953 | // changed many pixels' color values. Forget the previously loaded wallpaper bitmap so that |
| 954 | // WallpaperManager doesn't return the old wallpaper drawable. Do this on N+ devices in |
| 955 | // addition to saving the wallpaper ID for the purpose of backup & restore. |
| 956 | mWallpaperManager.forgetLoadedWallpaper(); |
| 957 | mBitmap = ((BitmapDrawable) mWallpaperManagerCompat.getDrawable()).getBitmap(); |
| 958 | long bitmapHash = BitmapUtils.generateHashCode(mBitmap); |
| 959 | |
| 960 | mWallpaperPreferences.setHomeWallpaperHashCode(bitmapHash); |
| 961 | |
| 962 | mWallpaperPreferences.setHomeWallpaperAttributions(mWallpaper.getAttributions(mAppContext)); |
| 963 | mWallpaperPreferences.setHomeWallpaperBaseImageUrl(mWallpaper.getBaseImageUrl()); |
| 964 | mWallpaperPreferences.setHomeWallpaperActionUrl(mWallpaper.getActionUrl(mAppContext)); |
| 965 | mWallpaperPreferences.setHomeWallpaperCollectionId(mWallpaper.getCollectionId(mAppContext)); |
| 966 | mWallpaperPreferences.setHomeWallpaperRemoteId(mWallpaper.getWallpaperId()); |
| 967 | } |
| 968 | |
| 969 | private void setImageWallpaperLockMetadata(int lockWallpaperId) { |
| 970 | mWallpaperPreferences.setLockWallpaperId(lockWallpaperId); |
| 971 | mWallpaperPreferences.setLockWallpaperAttributions(mWallpaper.getAttributions(mAppContext)); |
| 972 | mWallpaperPreferences.setLockWallpaperActionUrl(mWallpaper.getActionUrl(mAppContext)); |
| 973 | mWallpaperPreferences.setLockWallpaperCollectionId(mWallpaper.getCollectionId(mAppContext)); |
| 974 | |
| 975 | // Save the lock wallpaper image's hash code as well for the sake of backup & restore because |
| 976 | // WallpaperManager-generated IDs are specific to a physical device and cannot be used to |
| 977 | // identify a wallpaper image on another device after restore is complete. |
| 978 | saveLockWallpaperHashCode(); |
| 979 | } |
| 980 | |
| 981 | private void saveLockWallpaperHashCode() { |
| 982 | Bitmap lockBitmap = null; |
| 983 | |
| 984 | ParcelFileDescriptor parcelFd = mWallpaperManagerCompat.getWallpaperFile( |
| 985 | WallpaperManagerCompat.FLAG_LOCK); |
| 986 | |
| 987 | if (parcelFd == null) { |
| 988 | return; |
| 989 | } |
| 990 | |
| 991 | InputStream fileStream = null; |
| 992 | try { |
| 993 | fileStream = new FileInputStream(parcelFd.getFileDescriptor()); |
| 994 | lockBitmap = BitmapFactory.decodeStream(fileStream); |
| 995 | parcelFd.close(); |
| 996 | } catch (IOException e) { |
| 997 | Log.e(TAG, "IO exception when closing the file descriptor."); |
| 998 | } finally { |
| 999 | if (fileStream != null) { |
| 1000 | try { |
| 1001 | fileStream.close(); |
| 1002 | } catch (IOException e) { |
| 1003 | Log.e(TAG, "IO exception when closing the input stream for the lock screen WP."); |
| 1004 | } |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | if (lockBitmap != null) { |
| 1009 | long bitmapHash = BitmapUtils.generateHashCode(lockBitmap); |
| 1010 | mWallpaperPreferences.setLockWallpaperHashCode(bitmapHash); |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | } |