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Commit e9e1a384 authored by Chuck Liao's avatar Chuck Liao
Browse files

Remove LoadThumbnailTask to avoid using AsyncTask 

Bug: 198711500
Test: manual
Change-Id: Icbeb53c84def11a99a8efcd9a0847b21a31904d6
parent 2f526634

src/com/android/customization/model/theme/DefaultThemeProvider.java

+0 −18
Original line number Diff line number Diff line
@@ -44,10 +44,6 @@ import com.android.customization.model.theme.ThemeBundle.PreviewInfo.ShapeAppIco 
import com.android.customization.model.theme.custom.CustomTheme;

import com.android.customization.module.CustomizationPreferences;

import com.android.wallpaper.R;

import com.android.wallpaper.asset.ResourceAsset;



import com.bumptech.glide.request.RequestOptions;

import com.google.android.apps.wallpaper.asset.ThemeBundleThumbAsset;



import org.json.JSONArray;

import org.json.JSONException;
@@ -425,18 +421,4 @@ public class DefaultThemeProvider extends ResourcesApkProvider implements ThemeB 
    private String getOverlayPackage(String prefix, String themeName) {

        return getItemStringFromStub(prefix, themeName);

    }



    private ResourceAsset getDrawableResourceAsset(String prefix, String themeName) {

        int drawableResId = mStubApkResources.getIdentifier(prefix + themeName,

                "drawable", mStubPackageName);

        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);

    }

}

src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java

deleted100644 → 0
+0 −108
Original line number Diff line number Diff line 
/*

 * 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,

            boolean shouldAdjustForRtl, 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);

        }

    }

}