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 android.telecom;
  
  import android.annotation.SystemApi;
  import android.annotation.UnsupportedAppUsage;
  import android.os.Build;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import java.util.Locale;
  
  /**
   *  Encapsulates the telecom audio state, including the current audio routing, supported audio
   *  routing and mute.
   *  @deprecated - use {@link CallAudioState} instead.
   *  @hide
   */
  @Deprecated
  @SystemApi
  public class AudioState implements Parcelable {
      /** Direct the audio stream through the device's earpiece. */
      public static final int ROUTE_EARPIECE      = 0x00000001;
  
      /** Direct the audio stream through Bluetooth. */
      public static final int ROUTE_BLUETOOTH     = 0x00000002;
  
      /** Direct the audio stream through a wired headset. */
      public static final int ROUTE_WIRED_HEADSET = 0x00000004;
  
      /** Direct the audio stream through the device's speakerphone. */
      public static final int ROUTE_SPEAKER       = 0x00000008;
  
      /**
       * Direct the audio stream through the device's earpiece or wired headset if one is
       * connected.
       */
      public static final int ROUTE_WIRED_OR_EARPIECE = ROUTE_EARPIECE | ROUTE_WIRED_HEADSET;
  
      /** Bit mask of all possible audio routes. */
      private static final int ROUTE_ALL = ROUTE_EARPIECE | ROUTE_BLUETOOTH | ROUTE_WIRED_HEADSET |
              ROUTE_SPEAKER;
  
      @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 127403196)
      private final boolean isMuted;
      @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 127403196)
      private final int route;
      @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 127403196)
      private final int supportedRouteMask;
  
      public AudioState(boolean muted, int route, int supportedRouteMask) {
          this.isMuted = muted;
          this.route = route;
          this.supportedRouteMask = supportedRouteMask;
      }
  
      public AudioState(AudioState state) {
          isMuted = state.isMuted();
          route = state.getRoute();
          supportedRouteMask = state.getSupportedRouteMask();
      }
  
      public AudioState(CallAudioState state) {
          isMuted = state.isMuted();
          route = state.getRoute();
          supportedRouteMask = state.getSupportedRouteMask();
      }
  
      @Override
      public boolean equals(Object obj) {
          if (obj == null) {
              return false;
          }
          if (!(obj instanceof AudioState)) {
              return false;
          }
          AudioState state = (AudioState) obj;
          return isMuted() == state.isMuted() && getRoute() == state.getRoute() &&
                  getSupportedRouteMask() == state.getSupportedRouteMask();
      }
  
      @Override
      public String toString() {
          return String.format(Locale.US,
                  "[AudioState isMuted: %b, route: %s, supportedRouteMask: %s]",
                  isMuted,
                  audioRouteToString(route),
                  audioRouteToString(supportedRouteMask));
      }
  
      public static String audioRouteToString(int route) {
          if (route == 0 || (route & ~ROUTE_ALL) != 0x0) {
              return "UNKNOWN";
          }
  
          StringBuffer buffer = new StringBuffer();
          if ((route & ROUTE_EARPIECE) == ROUTE_EARPIECE) {
              listAppend(buffer, "EARPIECE");
          }
          if ((route & ROUTE_BLUETOOTH) == ROUTE_BLUETOOTH) {
              listAppend(buffer, "BLUETOOTH");
          }
          if ((route & ROUTE_WIRED_HEADSET) == ROUTE_WIRED_HEADSET) {
              listAppend(buffer, "WIRED_HEADSET");
          }
          if ((route & ROUTE_SPEAKER) == ROUTE_SPEAKER) {
              listAppend(buffer, "SPEAKER");
          }
  
          return buffer.toString();
      }
  
      private static void listAppend(StringBuffer buffer, String str) {
          if (buffer.length() > 0) {
              buffer.append(", ");
          }
          buffer.append(str);
      }
  
      /**
       * Responsible for creating AudioState objects for deserialized Parcels.
       */
      public static final @android.annotation.NonNull Parcelable.Creator<AudioState> CREATOR =
              new Parcelable.Creator<AudioState> () {
  
          @Override
          public AudioState createFromParcel(Parcel source) {
              boolean isMuted = source.readByte() == 0 ? false : true;
              int route = source.readInt();
              int supportedRouteMask = source.readInt();
              return new AudioState(isMuted, route, supportedRouteMask);
          }
  
          @Override
          public AudioState[] newArray(int size) {
              return new AudioState[size];
          }
      };
  
      /**
       * {@inheritDoc}
       */
      @Override
      public int describeContents() {
          return 0;
      }
  
      /**
       * Writes AudioState object into a serializeable Parcel.
       */
      @Override
      public void writeToParcel(Parcel destination, int flags) {
          destination.writeByte((byte) (isMuted ? 1 : 0));
          destination.writeInt(route);
          destination.writeInt(supportedRouteMask);
      }
  
      /**
       * @return {@code true} if the call is muted, false otherwise.
       */
      public boolean isMuted() {
          return isMuted;
      }
  
      /**
       * @return The current audio route being used.
       */
      public int getRoute() {
          return route;
      }
  
      /**
       * @return Bit mask of all routes supported by this call.
       */
      public int getSupportedRouteMask() {
          return supportedRouteMask;
      }
  }
  