content: /*
   * Copyright (C) 2014 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.launcher3.compat;
  
  import android.appwidget.AppWidgetManager;
  import android.appwidget.AppWidgetProviderInfo;
  import android.content.ComponentName;
  import android.content.Context;
  import android.os.Bundle;
  import android.os.UserHandle;
  import android.support.annotation.Nullable;
  
  import com.android.launcher3.LauncherAppWidgetProviderInfo;
  import com.android.launcher3.Utilities;
  import com.android.launcher3.util.ComponentKey;
  import com.android.launcher3.util.PackageUserKey;
  
  import java.util.HashMap;
  import java.util.List;
  
  public abstract class AppWidgetManagerCompat {
  
      private static final Object sInstanceLock = new Object();
      private static AppWidgetManagerCompat sInstance;
  
      public static AppWidgetManagerCompat getInstance(Context context) {
          synchronized (sInstanceLock) {
              if (sInstance == null) {
                  if (Utilities.ATLEAST_OREO) {
                      sInstance = new AppWidgetManagerCompatVO(context.getApplicationContext());
                  } else {
                      sInstance = new AppWidgetManagerCompatVL(context.getApplicationContext());
                  }
              }
              return sInstance;
          }
      }
  
      final AppWidgetManager mAppWidgetManager;
      final Context mContext;
  
      AppWidgetManagerCompat(Context context) {
          mContext = context;
          mAppWidgetManager = AppWidgetManager.getInstance(context);
      }
  
      public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) {
          return mAppWidgetManager.getAppWidgetInfo(appWidgetId);
      }
  
      public LauncherAppWidgetProviderInfo getLauncherAppWidgetInfo(int appWidgetId) {
          AppWidgetProviderInfo info = getAppWidgetInfo(appWidgetId);
          return info == null ? null : LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
      }
  
      public abstract List<AppWidgetProviderInfo> getAllProviders(
              @Nullable PackageUserKey packageUser);
  
      public abstract boolean bindAppWidgetIdIfAllowed(
              int appWidgetId, AppWidgetProviderInfo info, Bundle options);
  
      public abstract LauncherAppWidgetProviderInfo findProvider(
              ComponentName provider, UserHandle user);
  
      public abstract HashMap<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap();
  }
  