content: /*
   * Copyright (C) 2015 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 android.content.pm;
  
  import android.annotation.NonNull;
  import android.annotation.Nullable;
  import android.annotation.SystemApi;
  import android.graphics.drawable.Drawable;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  /**
   * This class represents the state of an instant app. Instant apps can
   * be installed or uninstalled. If the app is installed you can call
   * {@link #getApplicationInfo()} to get the app info, otherwise this
   * class provides APIs to get basic app info for showing it in the UI,
   * such as permissions, label, package name.
   *
   * @hide
   */
  @SystemApi
  public final class InstantAppInfo implements Parcelable {
      private final ApplicationInfo mApplicationInfo;
  
      private final String mPackageName;
      private final CharSequence mLabelText;
  
      private final String[] mRequestedPermissions;
      private final String[] mGrantedPermissions;
  
      public InstantAppInfo(ApplicationInfo appInfo,
              String[] requestedPermissions, String[] grantedPermissions) {
          mApplicationInfo = appInfo;
          mPackageName = null;
          mLabelText = null;
          mRequestedPermissions = requestedPermissions;
          mGrantedPermissions = grantedPermissions;
      }
  
      public InstantAppInfo(String packageName, CharSequence label,
              String[] requestedPermissions, String[] grantedPermissions) {
          mApplicationInfo = null;
          mPackageName = packageName;
          mLabelText = label;
          mRequestedPermissions = requestedPermissions;
          mGrantedPermissions = grantedPermissions;
      }
  
      private InstantAppInfo(Parcel parcel) {
          mPackageName = parcel.readString();
          mLabelText = parcel.readCharSequence();
          mRequestedPermissions = parcel.readStringArray();
          mGrantedPermissions = parcel.createStringArray();
          mApplicationInfo = parcel.readParcelable(null);
      }
  
      /**
       * @return The application info if the app is installed,
       *     <code>null</code> otherwise,
       */
      public @Nullable ApplicationInfo getApplicationInfo() {
          return mApplicationInfo;
      }
  
      /**
       * @return The package name.
       */
      public @NonNull String getPackageName() {
          if (mApplicationInfo != null) {
              return mApplicationInfo.packageName;
          }
          return mPackageName;
      }
  
      /**
       * @param packageManager Package manager for loading resources.
       * @return Loads the label if the app is installed or returns the cached one otherwise.
       */
      public @NonNull CharSequence loadLabel(@NonNull PackageManager packageManager) {
          if (mApplicationInfo != null) {
              return mApplicationInfo.loadLabel(packageManager);
          }
          return mLabelText;
      }
  
      /**
       * @param packageManager Package manager for loading resources.
       * @return Loads the icon if the app is installed or returns the cached one otherwise.
       */
      public @NonNull Drawable loadIcon(@NonNull PackageManager packageManager) {
          if (mApplicationInfo != null) {
              return mApplicationInfo.loadIcon(packageManager);
          }
          return packageManager.getInstantAppIcon(mPackageName);
      }
  
      /**
       * @return The requested permissions.
       */
      public @Nullable String[] getRequestedPermissions() {
          return mRequestedPermissions;
      }
  
      /**
       * @return The granted permissions.
       */
      public @Nullable String[] getGrantedPermissions() {
          return mGrantedPermissions;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel parcel, int flags) {
          parcel.writeString(mPackageName);
          parcel.writeCharSequence(mLabelText);
          parcel.writeStringArray(mRequestedPermissions);
          parcel.writeStringArray(mGrantedPermissions);
          parcel.writeParcelable(mApplicationInfo, flags);
      }
  
      public static final @android.annotation.NonNull Creator<InstantAppInfo> CREATOR =
              new Creator<InstantAppInfo>() {
          @Override
          public InstantAppInfo createFromParcel(Parcel parcel) {
              return new InstantAppInfo(parcel);
          }
  
          @Override
          public InstantAppInfo[] newArray(int size) {
              return new InstantAppInfo[0];
          }
      };
  }
  