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.content.ComponentName;
  import android.content.Context;
  import android.content.pm.PackageInstaller;
  import android.content.pm.PackageInstaller.SessionInfo;
  import android.os.Process;
  import android.os.UserHandle;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  
  import androidx.annotation.NonNull;
  
  import com.android.launcher3.Utilities;
  import com.android.launcher3.util.PackageUserKey;
  
  public abstract class PackageInstallerCompat {
  
      // Set<String> of session ids of promise icons that have been added to the home screen
      // as FLAG_PROMISE_NEW_INSTALLS.
      protected static final String PROMISE_ICON_IDS = "promise_icon_ids";
  
      public static final int STATUS_INSTALLED = 0;
      public static final int STATUS_INSTALLING = 1;
      public static final int STATUS_FAILED = 2;
  
      private static final Object sInstanceLock = new Object();
      private static PackageInstallerCompat sInstance;
  
      public static PackageInstallerCompat getInstance(Context context) {
          synchronized (sInstanceLock) {
              if (sInstance == null) {
                  sInstance = new PackageInstallerCompatVL(context);
              }
              return sInstance;
          }
      }
  
      public static UserHandle getUserHandle(SessionInfo info) {
          return Utilities.ATLEAST_Q ? info.getUser() : Process.myUserHandle();
      }
  
      /**
       * @return a map of active installs to their progress
       */
      public abstract HashMap<PackageUserKey, SessionInfo> updateAndGetActiveSessionCache();
  
      /**
       * @return an active SessionInfo for {@param pkg} or null if none exists.
       */
      public abstract SessionInfo getActiveSessionInfo(UserHandle user, String pkg);
  
      public abstract void onStop();
  
      public static final class PackageInstallInfo {
          public final ComponentName componentName;
          public final String packageName;
          public final int state;
          public final int progress;
          public final UserHandle user;
  
          private PackageInstallInfo(@NonNull SessionInfo info) {
              this.state = STATUS_INSTALLING;
              this.packageName = info.getAppPackageName();
              this.componentName = new ComponentName(packageName, "");
              this.progress = (int) (info.getProgress() * 100f);
              this.user = getUserHandle(info);
          }
  
          public PackageInstallInfo(String packageName, int state, int progress, UserHandle user) {
              this.state = state;
              this.packageName = packageName;
              this.componentName = new ComponentName(packageName, "");
              this.progress = progress;
              this.user = user;
          }
  
          public static PackageInstallInfo fromInstallingState(SessionInfo info) {
              return new PackageInstallInfo(info);
          }
  
          public static PackageInstallInfo fromState(int state, String packageName, UserHandle user) {
              return new PackageInstallInfo(packageName, state, 0 /* progress */, user);
          }
  
      }
  
      public abstract List<SessionInfo> getAllVerifiedSessions();
  
      /**
       * Returns true if a promise icon was already added to the home screen for {@param sessionId}.
       * Applicable only for icons with flag FLAG_PROMISE_NEW_INSTALLS.
       */
      public abstract boolean promiseIconAddedForId(int sessionId);
  
      /**
       * Applicable only for icons with flag FLAG_PROMISE_NEW_INSTALLS.
       */
      public abstract void removePromiseIconId(int sessionId);
  }
  