content: /*
   * Copyright (C) 2013 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.media;
  
  import android.annotation.UnsupportedAppUsage;
  import android.os.Parcel;
  import android.os.Parcelable;
  import android.text.TextUtils;
  
  import java.util.ArrayList;
  
  /**
   * Information available from IRemoteDisplayProvider about available remote displays.
   *
   * Clients must not modify the contents of this object.
   * @hide
   */
  public final class RemoteDisplayState implements Parcelable {
      // Note: These constants are used by the remote display provider API.
      // Do not change them!
      public static final String SERVICE_INTERFACE =
              "com.android.media.remotedisplay.RemoteDisplayProvider";
      public static final int DISCOVERY_MODE_NONE = 0;
      public static final int DISCOVERY_MODE_PASSIVE = 1;
      public static final int DISCOVERY_MODE_ACTIVE = 2;
  
      /**
       * A list of all remote displays.
       */
      @UnsupportedAppUsage
      public final ArrayList<RemoteDisplayInfo> displays;
  
      @UnsupportedAppUsage
      public RemoteDisplayState() {
          displays = new ArrayList<RemoteDisplayInfo>();
      }
  
      RemoteDisplayState(Parcel src) {
          displays = src.createTypedArrayList(RemoteDisplayInfo.CREATOR);
      }
  
      public boolean isValid() {
          if (displays == null) {
              return false;
          }
          final int count = displays.size();
          for (int i = 0; i < count; i++) {
              if (!displays.get(i).isValid()) {
                  return false;
              }
          }
          return true;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeTypedList(displays);
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<RemoteDisplayState> CREATOR =
              new Parcelable.Creator<RemoteDisplayState>() {
          @Override
          public RemoteDisplayState createFromParcel(Parcel in) {
              return new RemoteDisplayState(in);
          }
  
          @Override
          public RemoteDisplayState[] newArray(int size) {
              return new RemoteDisplayState[size];
          }
      };
  
      public static final class RemoteDisplayInfo implements Parcelable {
          // Note: These constants are used by the remote display provider API.
          // Do not change them!
          public static final int STATUS_NOT_AVAILABLE = 0;
          public static final int STATUS_IN_USE = 1;
          public static final int STATUS_AVAILABLE = 2;
          public static final int STATUS_CONNECTING = 3;
          public static final int STATUS_CONNECTED = 4;
  
          public static final int PLAYBACK_VOLUME_VARIABLE =
                  MediaRouter.RouteInfo.PLAYBACK_VOLUME_VARIABLE;
          public static final int PLAYBACK_VOLUME_FIXED =
                  MediaRouter.RouteInfo.PLAYBACK_VOLUME_FIXED;
  
          public String id;
          public String name;
          public String description;
          public int status;
          public int volume;
          public int volumeMax;
          public int volumeHandling;
          public int presentationDisplayId;
  
          public RemoteDisplayInfo(String id) {
              this.id = id;
              status = STATUS_NOT_AVAILABLE;
              volumeHandling = MediaRouter.RouteInfo.PLAYBACK_VOLUME_FIXED;
              presentationDisplayId = -1;
          }
  
          public RemoteDisplayInfo(RemoteDisplayInfo other) {
              id = other.id;
              name = other.name;
              description = other.description;
              status = other.status;
              volume = other.volume;
              volumeMax = other.volumeMax;
              volumeHandling = other.volumeHandling;
              presentationDisplayId = other.presentationDisplayId;
          }
  
          RemoteDisplayInfo(Parcel in) {
              id = in.readString();
              name = in.readString();
              description = in.readString();
              status = in.readInt();
              volume = in.readInt();
              volumeMax = in.readInt();
              volumeHandling = in.readInt();
              presentationDisplayId = in.readInt();
          }
  
          public boolean isValid() {
              return !TextUtils.isEmpty(id) && !TextUtils.isEmpty(name);
          }
  
          @Override
          public int describeContents() {
              return 0;
          }
  
          @Override
          public void writeToParcel(Parcel dest, int flags) {
              dest.writeString(id);
              dest.writeString(name);
              dest.writeString(description);
              dest.writeInt(status);
              dest.writeInt(volume);
              dest.writeInt(volumeMax);
              dest.writeInt(volumeHandling);
              dest.writeInt(presentationDisplayId);
          }
  
          @Override
          public String toString() {
              return "RemoteDisplayInfo{ id=" + id
                      + ", name=" + name
                      + ", description=" + description
                      + ", status=" + status
                      + ", volume=" + volume
                      + ", volumeMax=" + volumeMax
                      + ", volumeHandling=" + volumeHandling
                      + ", presentationDisplayId=" + presentationDisplayId
                      + " }";
          }
  
          @SuppressWarnings("hiding")
          public static final @android.annotation.NonNull Parcelable.Creator<RemoteDisplayInfo> CREATOR =
                  new Parcelable.Creator<RemoteDisplayInfo>() {
              @Override
              public RemoteDisplayInfo createFromParcel(Parcel in) {
                  return new RemoteDisplayInfo(in);
              }
  
              @Override
              public RemoteDisplayInfo[] newArray(int size) {
                  return new RemoteDisplayInfo[size];
              }
          };
      }
  }
  