1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.incallui; 18 19 import android.telecom.CallAudioState; 20 21 import com.google.common.collect.Lists; 22 23 import java.util.List; 24 25 /** 26 * Proxy class for getting and setting the audio mode. 27 */ 28 public class AudioModeProvider { 29 30 static final int AUDIO_MODE_INVALID = 0; 31 32 private static AudioModeProvider sAudioModeProvider = new AudioModeProvider(); 33 private int mAudioMode = CallAudioState.ROUTE_EARPIECE; 34 private boolean mMuted = false; 35 private int mSupportedModes = CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH | 36 CallAudioState.ROUTE_WIRED_HEADSET | CallAudioState.ROUTE_SPEAKER; 37 private final List<AudioModeListener> mListeners = Lists.newArrayList(); 38 getInstance()39 public static AudioModeProvider getInstance() { 40 return sAudioModeProvider; 41 } 42 onAudioStateChanged(CallAudioState audioState)43 public void onAudioStateChanged(CallAudioState audioState) { 44 onAudioModeChange(audioState.getRoute(), audioState.isMuted()); 45 onSupportedAudioModeChange(audioState.getSupportedRouteMask()); 46 } 47 onAudioModeChange(int newMode, boolean muted)48 public void onAudioModeChange(int newMode, boolean muted) { 49 if (mAudioMode != newMode) { 50 mAudioMode = newMode; 51 for (AudioModeListener l : mListeners) { 52 l.onAudioMode(mAudioMode); 53 } 54 } 55 56 if (mMuted != muted) { 57 mMuted = muted; 58 for (AudioModeListener l : mListeners) { 59 l.onMute(mMuted); 60 } 61 } 62 } 63 onSupportedAudioModeChange(int newModeMask)64 public void onSupportedAudioModeChange(int newModeMask) { 65 mSupportedModes = newModeMask; 66 67 for (AudioModeListener l : mListeners) { 68 l.onSupportedAudioMode(mSupportedModes); 69 } 70 } 71 addListener(AudioModeListener listener)72 public void addListener(AudioModeListener listener) { 73 if (!mListeners.contains(listener)) { 74 mListeners.add(listener); 75 listener.onSupportedAudioMode(mSupportedModes); 76 listener.onAudioMode(mAudioMode); 77 listener.onMute(mMuted); 78 } 79 } 80 removeListener(AudioModeListener listener)81 public void removeListener(AudioModeListener listener) { 82 if (mListeners.contains(listener)) { 83 mListeners.remove(listener); 84 } 85 } 86 getSupportedModes()87 public int getSupportedModes() { 88 return mSupportedModes; 89 } 90 getAudioMode()91 public int getAudioMode() { 92 return mAudioMode; 93 } 94 getMute()95 public boolean getMute() { 96 return mMuted; 97 } 98 99 /* package */ interface AudioModeListener { onAudioMode(int newMode)100 void onAudioMode(int newMode); onMute(boolean muted)101 void onMute(boolean muted); onSupportedAudioMode(int modeMask)102 void onSupportedAudioMode(int modeMask); 103 } 104 } 105