Resolve layered ThemeBundle Wallpaper thumbnails
Use a new Asset class to handle wallpaper thumbnails so that
we can handle layered wallpaper thumbnails.
Bug: 136497932
Change-Id: Ib1ef78c6c202cd9c9f3d00a3bdb2974e627470ea
diff --git a/src/com/android/customization/model/theme/DefaultThemeProvider.java b/src/com/android/customization/model/theme/DefaultThemeProvider.java
index 9fdb0c9..ce12d35 100644
--- a/src/com/android/customization/model/theme/DefaultThemeProvider.java
+++ b/src/com/android/customization/model/theme/DefaultThemeProvider.java
@@ -35,7 +35,6 @@
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
-import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.service.wallpaper.WallpaperService;
import android.text.TextUtils;
@@ -53,6 +52,7 @@
import com.android.wallpaper.model.LiveWallpaperInfo;
import com.bumptech.glide.request.RequestOptions;
+import com.google.android.apps.wallpaper.asset.ThemeBundleThumbAsset;
import org.json.JSONArray;
import org.json.JSONException;
@@ -204,7 +204,7 @@
mStubApkResources.getIdentifier(WALLPAPER_ACTION_PREFIX + themeName,
"string", mStubPackageName))
.setWallpaperAsset(wallpaperThumbnailResId != ID_NULL ?
- getDrawableResourceAsset(WALLPAPER_THUMB_PREFIX, themeName)
+ getThumbAsset(WALLPAPER_THUMB_PREFIX, themeName)
: getDrawableResourceAsset(WALLPAPER_PREFIX, themeName));
} else {
// Try to see if it's a live wallpaper reference
@@ -234,7 +234,7 @@
LiveWallpaperInfo liveInfo = new LiveWallpaperInfo(wallpaperInfo);
builder.setLiveWallpaperInfo(liveInfo).setWallpaperAsset(
wallpaperThumbnailResId != ID_NULL ?
- getDrawableResourceAsset(WALLPAPER_THUMB_PREFIX, themeName)
+ getThumbAsset(WALLPAPER_THUMB_PREFIX, themeName)
: liveInfo.getThumbAsset(mContext))
.setWallpaperOptions(wallpaperOptions);
} catch (XmlPullParserException | IOException e) {
@@ -484,4 +484,11 @@
return drawableResId == 0 ? null : new ResourceAsset(mStubApkResources, drawableResId,
RequestOptions.fitCenterTransform());
}
+
+ private ThemeBundleThumbAsset getThumbAsset(String prefix, String themeName) {
+ int drawableResId = mStubApkResources.getIdentifier(prefix + themeName,
+ "drawable", mStubPackageName);
+ return drawableResId == 0 ? null : new ThemeBundleThumbAsset(mStubApkResources,
+ drawableResId);
+ }
}
diff --git a/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java b/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java
new file mode 100644
index 0000000..bc5f309
--- /dev/null
+++ b/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java
@@ -0,0 +1,108 @@
+/*
+ * 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.google.android.apps.wallpaper.asset;
+
+import android.app.Activity;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.os.AsyncTask;
+
+import androidx.annotation.Nullable;
+
+import com.android.wallpaper.asset.Asset;
+import com.android.wallpaper.module.DrawableLayerResolver;
+import com.android.wallpaper.module.InjectorProvider;
+
+public class ThemeBundleThumbAsset extends Asset {
+ private final Resources mRes;
+ private final int mResId;
+ private final DrawableLayerResolver mLayerResolver;
+
+ public ThemeBundleThumbAsset(Resources res, int resId) {
+ mRes = res;
+ mResId = resId;
+ mLayerResolver = InjectorProvider.getInjector().getDrawableLayerResolver();
+ }
+
+ @Override
+ public void decodeBitmap(int targetWidth, int targetHeight, BitmapReceiver receiver) {
+ // No scaling is needed, as the thumbnail is already a thumbnail.
+ LoadThumbnailTask task = new LoadThumbnailTask(mRes, mResId, mLayerResolver, receiver);
+ task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+ }
+
+ @Override
+ public void decodeBitmapRegion(Rect rect, int targetWidth, int targetHeight,
+ BitmapReceiver receiver) {
+
+ }
+
+ @Override
+ public void decodeRawDimensions(@Nullable Activity activity, DimensionsReceiver receiver) {
+
+ }
+
+ @Override
+ public boolean supportsTiling() {
+ return false;
+ }
+
+ /**
+ * AsyncTask subclass which loads the live wallpaper's thumbnail bitmap off the main UI thread.
+ * Resolves with null if live wallpaper thumbnail is not a bitmap.
+ */
+ private static class LoadThumbnailTask extends AsyncTask<Void, Void, Bitmap> {
+ private final DrawableLayerResolver mLayerResolver;
+ private final Resources mResources;
+ private final int mResId;
+ private BitmapReceiver mReceiver;
+
+ public LoadThumbnailTask(Resources res, int resId, DrawableLayerResolver resolver,
+ BitmapReceiver receiver) {
+ mLayerResolver = resolver;
+ mReceiver = receiver;
+ mResources = res;
+ mResId = resId;
+ }
+
+ @Override
+ protected Bitmap doInBackground(Void... unused) {
+ Drawable thumb = mResources.getDrawable(mResId, null);
+
+ // Live wallpaper components may or may not specify a thumbnail drawable.
+ if (thumb instanceof BitmapDrawable) {
+ return ((BitmapDrawable) thumb).getBitmap();
+ } else if (thumb instanceof LayerDrawable) {
+ Drawable layer = mLayerResolver.resolveLayer((LayerDrawable) thumb);
+ if (layer instanceof BitmapDrawable) {
+ return ((BitmapDrawable) layer).getBitmap();
+ }
+ }
+
+ // If no thumbnail was specified, return a null bitmap.
+ return null;
+ }
+
+ @Override
+ protected void onPostExecute(Bitmap bitmap) {
+ mReceiver.onBitmapDecoded(bitmap);
+ }
+ }
+}
