src/com/android/wallpaper/module/DefaultLiveWallpaperStatusChecker.java


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/*
 * 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 android.annotation.SuppressLint;
import android.app.WallpaperManager;
import android.content.Context;

/**
 * Default implementation of {@link LiveWallpaperStatusChecker}.
 */
@SuppressLint("ServiceCast")
public class DefaultLiveWallpaperStatusChecker implements LiveWallpaperStatusChecker {

    private WallpaperManager mWallpaperManager;

    public DefaultLiveWallpaperStatusChecker(Context context) {
        // Retrieve WallpaperManager using Context#getSystemService instead of
        // WallpaperManager#getInstance so it can be mocked out in test.
        mWallpaperManager = (WallpaperManager) context.getSystemService(Context.WALLPAPER_SERVICE);
    }

    @Override
    public boolean isNoBackupImageWallpaperSet() {
        android.app.WallpaperInfo liveWallpaper = mWallpaperManager.getWallpaperInfo();
        return liveWallpaper != null
                && liveWallpaper.getServiceName().equals(NoBackupImageWallpaper.class.getName());
    }
}