1fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi/* 2fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Copyright (C) 2013 The Android Open Source Project 3fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * 4fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Licensed under the Apache License, Version 2.0 (the "License"); 5fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * you may not use this file except in compliance with the License. 6fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * You may obtain a copy of the License at 7fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * 8fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * http://www.apache.org/licenses/LICENSE-2.0 9fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * 10fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Unless required by applicable law or agreed to in writing, software 11fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * distributed under the License is distributed on an "AS IS" BASIS, 12fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * See the License for the specific language governing permissions and 14fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * limitations under the License. 15fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 16fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 176156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockpackage com.android.server.audio; 18fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 19126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Triviimport android.annotation.NonNull; 20fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.app.AppOpsManager; 21fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.content.Context; 226156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockimport android.media.AudioAttributes; 236156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockimport android.media.AudioFocusInfo; 246156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockimport android.media.AudioManager; 256156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockimport android.media.AudioSystem; 266156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlockimport android.media.IAudioFocusDispatcher; 27126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Triviimport android.media.audiopolicy.AudioPolicy; 280212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Triviimport android.media.audiopolicy.IAudioPolicyCallback; 29fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.os.Binder; 30461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Triviimport android.os.Build; 31fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.os.IBinder; 32fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.os.RemoteException; 33fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport android.util.Log; 346156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlock 35fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport java.io.PrintWriter; 36fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport java.util.ArrayList; 37545fcf8d11399845fbf1b53488c82b492da06d46Jean-Michel Triviimport java.util.Date; 38126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Triviimport java.util.HashMap; 39fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport java.util.Iterator; 40126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Triviimport java.util.Map.Entry; 41126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Triviimport java.util.Set; 42fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Triviimport java.util.Stack; 43545fcf8d11399845fbf1b53488c82b492da06d46Jean-Michel Triviimport java.text.DateFormat; 44fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 45fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi/** 46fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * @hide 47fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * 48fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 4999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivipublic class MediaFocusControl implements PlayerFocusEnforcer { 50fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 51fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private static final String TAG = "MediaFocusControl"; 52126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi static final boolean DEBUG = false; 53fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 5499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi /** 5599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi * set to true so the framework enforces ducking itself, without communicating to apps 56952f2341abc398d245f3c0a577ebe1b28f93f368Jean-Michel Trivi * that they lost focus for most use cases. 5799489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi */ 58952f2341abc398d245f3c0a577ebe1b28f93f368Jean-Michel Trivi static final boolean ENFORCE_DUCKING = true; 5962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi /** 60461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi * set to true to the framework enforces ducking itself only with apps above a given SDK 61461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi * target level. Is ignored if ENFORCE_DUCKING is false. 62461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi */ 63461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi static final boolean ENFORCE_DUCKING_FOR_NEW = true; 64461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi /** 65461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi * the SDK level (included) up to which the framework doesn't enforce ducking itself. Is ignored 66461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi * if ENFORCE_DUCKING_FOR_NEW is false; 67461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi */ 68461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi // automatic ducking was introduced for Android O 69461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi static final int DUCKING_IN_APP_SDK_LEVEL = Build.VERSION_CODES.N_MR1; 70461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi /** 7162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi * set to true so the framework enforces muting media/game itself when the device is ringing 7262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi * or in a call. 7362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi */ 7462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi static final boolean ENFORCE_MUTING_FOR_RING_OR_CALL = true; 7599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi 76fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private final Context mContext; 77fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private final AppOpsManager mAppOps; 7899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi private PlayerFocusEnforcer mFocusEnforcer; // never null 79fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 8062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi private boolean mRingOrCallActive = false; 8162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 8299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi protected MediaFocusControl(Context cntxt, PlayerFocusEnforcer pfe) { 83fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi mContext = cntxt; 84fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi mAppOps = (AppOpsManager)mContext.getSystemService(Context.APP_OPS_SERVICE); 8599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi mFocusEnforcer = pfe; 86fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 87fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 8873673ab7988adc80fc179e9910c7a19fcabef884Jean-Michel Trivi protected void dump(PrintWriter pw) { 89545fcf8d11399845fbf1b53488c82b492da06d46Jean-Michel Trivi pw.println("\nMediaFocusControl dump time: " 90545fcf8d11399845fbf1b53488c82b492da06d46Jean-Michel Trivi + DateFormat.getTimeInstance().format(new Date())); 9173673ab7988adc80fc179e9910c7a19fcabef884Jean-Michel Trivi dumpFocusStack(pw); 92fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 93fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 9499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi //================================================================= 9599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi // PlayerFocusEnforcer implementation 9699489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi @Override 9799489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi public boolean duckPlayers(FocusRequester winner, FocusRequester loser) { 9899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi return mFocusEnforcer.duckPlayers(winner, loser); 9999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi } 10099489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi 10199489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi @Override 10299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi public void unduckPlayers(FocusRequester winner) { 10399489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi mFocusEnforcer.unduckPlayers(winner); 10499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi } 105fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 10662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi @Override 10762b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi public void mutePlayersForCall(int[] usagesToMute) { 10862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi mFocusEnforcer.mutePlayersForCall(usagesToMute); 10962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 11062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 11162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi @Override 11262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi public void unmutePlayersForCall() { 11362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi mFocusEnforcer.unmutePlayersForCall(); 11462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 11562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 116fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi //========================================================================================== 117fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // AudioFocus 118fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi //========================================================================================== 119fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 120fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private final static Object mAudioFocusLock = new Object(); 121fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 122fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 123fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Discard the current audio focus owner. 124fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Notify top of audio focus stack that it lost focus (regardless of possibility to reassign 125fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * focus), remove it from the stack, and clear the remote control display. 126fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 127fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi protected void discardAudioFocusOwner() { 128fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 129cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi if (!mFocusStack.empty()) { 130fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // notify the current focus owner it lost focus after removing it from stack 13183283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi final FocusRequester exFocusOwner = mFocusStack.pop(); 13299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi exFocusOwner.handleFocusLoss(AudioManager.AUDIOFOCUS_LOSS, null); 13383283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi exFocusOwner.release(); 134fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 135fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 136fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 137fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 1380212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi /** 1390212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * Called synchronized on mAudioFocusLock 1400212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi */ 141fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private void notifyTopOfAudioFocusStack() { 142fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // notify the top of the stack it gained focus 143cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi if (!mFocusStack.empty()) { 144fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (canReassignAudioFocus()) { 14500bf4b18173b8921d7a5cecbd8b8d3745470b5d0Jean-Michel Trivi mFocusStack.peek().handleFocusGain(AudioManager.AUDIOFOCUS_GAIN); 146fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 147fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 148fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 149fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 150cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi /** 151cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi * Focus is requested, propagate the associated loss throughout the stack. 152cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi * @param focusGain the new focus gain that will later be added at the top of the stack 153cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi */ 15499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi private void propagateFocusLossFromGain_syncAf(int focusGain, final FocusRequester fr) { 155cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi // going through the audio focus stack to signal new focus, traversing order doesn't 156cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi // matter as all entries respond to the same external focus gain 157cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); 158cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi while(stackIterator.hasNext()) { 15999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi stackIterator.next().handleExternalFocusGain(focusGain, fr); 160cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi } 161cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi } 162cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi 16383283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi private final Stack<FocusRequester> mFocusStack = new Stack<FocusRequester>(); 164fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 165fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 166fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Helper function: 167fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Display in the log the current entries in the audio focus stack 168fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 169fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private void dumpFocusStack(PrintWriter pw) { 170fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi pw.println("\nAudio Focus stack entries (last is top of stack):"); 171fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 17283283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); 173fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi while(stackIterator.hasNext()) { 17483283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi stackIterator.next().dump(pw); 175fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 176126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi pw.println("\n"); 177126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy == null) { 178126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi pw.println("No external focus policy\n"); 179126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } else { 180126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi pw.println("External focus policy: "+ mFocusPolicy + ", focus owners:\n"); 181126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi dumpExtFocusPolicyFocusOwners(pw); 182126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 183fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 18462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi pw.println("\n"); 18562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi pw.println(" Notify on duck: " + mNotifyFocusOwnerOnDuck + "\n"); 18662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi pw.println(" In ring or call: " + mRingOrCallActive + "\n"); 187fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 188fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 189fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 190fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Helper function: 191fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Called synchronized on mAudioFocusLock 192fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Remove a focus listener from the focus stack. 193fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * @param clientToRemove the focus listener 194fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding 195fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * focus, notify the next item in the stack it gained focus. 196fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 1970212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi private void removeFocusStackEntry(String clientToRemove, boolean signal, 1980212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi boolean notifyFocusFollowers) { 199fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // is the current top of the focus stack abandoning focus? (because of request, not death) 20083283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi if (!mFocusStack.empty() && mFocusStack.peek().hasSameClient(clientToRemove)) 201fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi { 202fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); 20383283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi FocusRequester fr = mFocusStack.pop(); 20483283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi fr.release(); 2050212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (notifyFocusFollowers) { 2060212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi final AudioFocusInfo afi = fr.toAudioFocusInfo(); 2070212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi afi.clearLossReceived(); 2080212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi notifyExtPolicyFocusLoss_syncAf(afi, false); 2090212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 210fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (signal) { 211fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // notify the new top of the stack it gained focus 212fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi notifyTopOfAudioFocusStack(); 213fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 214fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } else { 215fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // focus is abandoned by a client that's not at the top of the stack, 216fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // no need to update focus. 217fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // (using an iterator on the stack so we can safely remove an entry after having 218fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // evaluated it, traversal order doesn't matter here) 21983283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); 220fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi while(stackIterator.hasNext()) { 22101fe661ae5da3739215d93922412df4b24c859a2RoboErik FocusRequester fr = stackIterator.next(); 22283283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi if(fr.hasSameClient(clientToRemove)) { 22300bf4b18173b8921d7a5cecbd8b8d3745470b5d0Jean-Michel Trivi Log.i(TAG, "AudioFocus removeFocusStackEntry(): removing entry for " 22483283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi + clientToRemove); 225fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi stackIterator.remove(); 226e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi // stack entry not used anymore, clear references 22783283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi fr.release(); 228fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 229fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 230fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 231fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 232fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 233fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 234fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Helper function: 235fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Called synchronized on mAudioFocusLock 236fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Remove focus listeners from the focus stack for a particular client when it has died. 237fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 238e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi private void removeFocusStackEntryOnDeath(IBinder cb) { 239fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // is the owner of the audio focus part of the client to remove? 240fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && 24183283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi mFocusStack.peek().hasSameBinder(cb); 242fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // (using an iterator on the stack so we can safely remove an entry after having 243fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // evaluated it, traversal order doesn't matter here) 24483283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); 245fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi while(stackIterator.hasNext()) { 24601fe661ae5da3739215d93922412df4b24c859a2RoboErik FocusRequester fr = stackIterator.next(); 24783283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi if(fr.hasSameBinder(cb)) { 248e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi Log.i(TAG, "AudioFocus removeFocusStackEntryOnDeath(): removing entry for " + cb); 249fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi stackIterator.remove(); 250e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi // stack entry not used anymore, clear references 251e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi fr.release(); 252fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 253fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 254fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (isTopOfStackForClientToRemove) { 255fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // we removed an entry at the top of the stack: 256fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // notify the new top of the stack it gained focus. 257fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi notifyTopOfAudioFocusStack(); 258fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 259fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 260fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 261fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 262126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * Helper function for external focus policy: 263126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * Called synchronized on mAudioFocusLock 264126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * Remove focus listeners from the list of potential focus owners for a particular client when 265126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * it has died. 266126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi */ 267126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi private void removeFocusEntryForExtPolicy(IBinder cb) { 268126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusOwnersForFocusPolicy.isEmpty()) { 269126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return; 270126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 271126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi boolean released = false; 272126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Set<Entry<String, FocusRequester>> owners = mFocusOwnersForFocusPolicy.entrySet(); 273126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Iterator<Entry<String, FocusRequester>> ownerIterator = owners.iterator(); 274126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi while (ownerIterator.hasNext()) { 275126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Entry<String, FocusRequester> owner = ownerIterator.next(); 276126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final FocusRequester fr = owner.getValue(); 277126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (fr.hasSameBinder(cb)) { 278126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi ownerIterator.remove(); 279126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi fr.release(); 280126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi notifyExtFocusPolicyFocusAbandon_syncAf(fr.toAudioFocusInfo()); 281126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi break; 282126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 283126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 284126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 285126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 286126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi /** 287fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Helper function: 288fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. 289fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * The implementation guarantees that a state where focus cannot be immediately reassigned 290958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi * implies that an "locked" focus owner is at the top of the focus stack. 291fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * Modifications to the implementation that break this assumption will cause focus requests to 292fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * misbehave when honoring the AudioManager.AUDIOFOCUS_FLAG_DELAY_OK flag. 293fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 294fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private boolean canReassignAudioFocus() { 295fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // focus requests are rejected during a phone call or when the phone is ringing 296fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus 297958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi if (!mFocusStack.isEmpty() && isLockedFocusOwner(mFocusStack.peek())) { 298fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return false; 299fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 300fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return true; 301fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 302fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 303958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi private boolean isLockedFocusOwner(FocusRequester fr) { 3046156017c2217d0fbbbb03434986250ec6bbd69d8John Spurlock return (fr.hasSameClient(AudioSystem.IN_VOICE_COMM_FOCUS_ID) || fr.isLockedFocusOwner()); 305fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 306fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi 307fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi /** 308fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * Helper function 309958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi * Pre-conditions: focus stack is not empty, there is one or more locked focus owner 310fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * at the top of the focus stack 311fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * Push the focus requester onto the audio focus stack at the first position immediately 312958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi * following the locked focus owners. 313fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * @return {@link AudioManager#AUDIOFOCUS_REQUEST_GRANTED} or 314fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi * {@link AudioManager#AUDIOFOCUS_REQUEST_DELAYED} 315fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi */ 316958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi private int pushBelowLockedFocusOwners(FocusRequester nfr) { 317958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi int lastLockedFocusOwnerIndex = mFocusStack.size(); 318fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi for (int index = mFocusStack.size()-1; index >= 0; index--) { 319958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi if (isLockedFocusOwner(mFocusStack.elementAt(index))) { 320958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi lastLockedFocusOwnerIndex = index; 321fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 322fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 323958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi if (lastLockedFocusOwnerIndex == mFocusStack.size()) { 324fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // this should not happen, but handle it and log an error 325fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi Log.e(TAG, "No exclusive focus owner found in propagateFocusLossFromGain_syncAf()", 326fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi new Exception()); 327fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // no exclusive owner, push at top of stack, focus is granted, propagate change 32899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi propagateFocusLossFromGain_syncAf(nfr.getGainRequest(), nfr); 329fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi mFocusStack.push(nfr); 330fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 331fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } else { 332958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi mFocusStack.insertElementAt(nfr, lastLockedFocusOwnerIndex); 333fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_DELAYED; 334fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 335fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 336fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi 337fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi /** 338fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * Inner class to monitor audio focus client deaths, and remove them from the audio focus 339fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi * stack if necessary. 340fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi */ 34183283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi protected class AudioFocusDeathHandler implements IBinder.DeathRecipient { 342fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi private IBinder mCb; // To be notified of client's death 343fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 344fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi AudioFocusDeathHandler(IBinder cb) { 345fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi mCb = cb; 346fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 347fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 348fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi public void binderDied() { 349fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 350126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy != null) { 351126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi removeFocusEntryForExtPolicy(mCb); 352126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } else { 353126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi removeFocusStackEntryOnDeath(mCb); 354126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 355fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 356fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 357fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 358fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 3590212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi /** 3600212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * Indicates whether to notify an audio focus owner when it loses focus 3610212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * with {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK} if it will only duck. 3620212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * This variable being false indicates an AudioPolicy has been registered and has signaled 3630212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * it will handle audio ducking. 3640212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi */ 3650212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi private boolean mNotifyFocusOwnerOnDuck = true; 3660212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 3670212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi protected void setDuckingInExtPolicyAvailable(boolean available) { 3680212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi mNotifyFocusOwnerOnDuck = !available; 3690212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3700212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 3710212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi boolean mustNotifyFocusOwnerOnDuck() { return mNotifyFocusOwnerOnDuck; } 3720212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 3730212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi private ArrayList<IAudioPolicyCallback> mFocusFollowers = new ArrayList<IAudioPolicyCallback>(); 3740212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 3750212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi void addFocusFollower(IAudioPolicyCallback ff) { 3760212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (ff == null) { 3770212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi return; 3780212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3790212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi synchronized(mAudioFocusLock) { 3800212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi boolean found = false; 3810212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi for (IAudioPolicyCallback pcb : mFocusFollowers) { 3820212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (pcb.asBinder().equals(ff.asBinder())) { 3830212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi found = true; 3840212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi break; 3850212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3860212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3870212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (found) { 3880212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi return; 3890212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } else { 3900212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi mFocusFollowers.add(ff); 39160fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi notifyExtPolicyCurrentFocusAsync(ff); 3920212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3930212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3940212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 3950212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 3960212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi void removeFocusFollower(IAudioPolicyCallback ff) { 3970212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (ff == null) { 3980212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi return; 3990212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4000212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi synchronized(mAudioFocusLock) { 4010212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi for (IAudioPolicyCallback pcb : mFocusFollowers) { 4020212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (pcb.asBinder().equals(ff.asBinder())) { 4030212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi mFocusFollowers.remove(pcb); 4040212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi break; 4050212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4060212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4070212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4080212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4090212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 410126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi private IAudioPolicyCallback mFocusPolicy = null; 411126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 412126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // Since we don't have a stack of focus owners when using an external focus policy, we keep 413126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // track of all the focus requesters in this map, with their clientId as the key. This is 414126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // used both for focus dispatch and death handling 415126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi private HashMap<String, FocusRequester> mFocusOwnersForFocusPolicy = 416126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi new HashMap<String, FocusRequester>(); 417126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 418126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi void setFocusPolicy(IAudioPolicyCallback policy) { 419126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (policy == null) { 420126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return; 421126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 422126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi synchronized (mAudioFocusLock) { 423126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusPolicy = policy; 424126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 425126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 426126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 427126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi void unsetFocusPolicy(IAudioPolicyCallback policy) { 428126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (policy == null) { 429126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return; 430126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 431126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi synchronized (mAudioFocusLock) { 432126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy == policy) { 433126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusPolicy = null; 434126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 435126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 436126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 437126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 4380212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi /** 43960fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi * @param pcb non null 44060fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi */ 44160fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi void notifyExtPolicyCurrentFocusAsync(IAudioPolicyCallback pcb) { 44260fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi final IAudioPolicyCallback pcb2 = pcb; 44360fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi final Thread thread = new Thread() { 44460fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi @Override 44560fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi public void run() { 44660fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi synchronized(mAudioFocusLock) { 44760fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi if (mFocusStack.isEmpty()) { 44860fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi return; 44960fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } 45060fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi try { 45160fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi pcb2.notifyAudioFocusGrant(mFocusStack.peek().toAudioFocusInfo(), 45260fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi // top of focus stack always has focus 45360fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi AudioManager.AUDIOFOCUS_REQUEST_GRANTED); 45460fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } catch (RemoteException e) { 45560fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi Log.e(TAG, "Can't call notifyAudioFocusGrant() on IAudioPolicyCallback " 45660fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi + pcb2.asBinder(), e); 45760fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } 45860fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } 45960fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } 46060fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi }; 46160fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi thread.start(); 46260fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi } 46360fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi 46460fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi /** 4650212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * Called synchronized on mAudioFocusLock 4660212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi */ 4670212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi void notifyExtPolicyFocusGrant_syncAf(AudioFocusInfo afi, int requestResult) { 4680212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi for (IAudioPolicyCallback pcb : mFocusFollowers) { 4690212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi try { 4700212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi // oneway 4710212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi pcb.notifyAudioFocusGrant(afi, requestResult); 4720212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } catch (RemoteException e) { 47360fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi Log.e(TAG, "Can't call notifyAudioFocusGrant() on IAudioPolicyCallback " 4740212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi + pcb.asBinder(), e); 4750212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4760212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4770212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4780212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 4790212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi /** 4800212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi * Called synchronized on mAudioFocusLock 4810212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi */ 4820212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi void notifyExtPolicyFocusLoss_syncAf(AudioFocusInfo afi, boolean wasDispatched) { 4830212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi for (IAudioPolicyCallback pcb : mFocusFollowers) { 4840212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi try { 4850212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi // oneway 4860212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi pcb.notifyAudioFocusLoss(afi, wasDispatched); 4870212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } catch (RemoteException e) { 48860fd084331c2a50321ff399267f981488c852b6fJean-Michel Trivi Log.e(TAG, "Can't call notifyAudioFocusLoss() on IAudioPolicyCallback " 4890212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi + pcb.asBinder(), e); 4900212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4910212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4920212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 4930212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi 494126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi /** 495126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * Called synchronized on mAudioFocusLock 496126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @param afi 497126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @param requestResult 498126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @return true if the external audio focus policy (if any) is handling the focus request 499126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi */ 500126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi boolean notifyExtFocusPolicyFocusRequest_syncAf(AudioFocusInfo afi, int requestResult, 501126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi IAudioFocusDispatcher fd, IBinder cb) { 502126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy == null) { 503126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return false; 504126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 505126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (DEBUG) { 506126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi Log.v(TAG, "notifyExtFocusPolicyFocusRequest client="+afi.getClientId() 507126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi + " dispatcher=" + fd); 508126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 509126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final FocusRequester existingFr = mFocusOwnersForFocusPolicy.get(afi.getClientId()); 510126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (existingFr != null) { 511126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (!existingFr.hasSameDispatcher(fd)) { 512126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi existingFr.release(); 513126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final AudioFocusDeathHandler hdlr = new AudioFocusDeathHandler(cb); 514126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusOwnersForFocusPolicy.put(afi.getClientId(), 515126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi new FocusRequester(afi, fd, cb, hdlr, this)); 516126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 517126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } else if (requestResult == AudioManager.AUDIOFOCUS_REQUEST_GRANTED 518126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi || requestResult == AudioManager.AUDIOFOCUS_REQUEST_DELAYED) { 519126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // new focus (future) focus owner to keep track of 520126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final AudioFocusDeathHandler hdlr = new AudioFocusDeathHandler(cb); 521126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusOwnersForFocusPolicy.put(afi.getClientId(), 522126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi new FocusRequester(afi, fd, cb, hdlr, this)); 523126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 524126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi try { 525126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi //oneway 526126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusPolicy.notifyAudioFocusRequest(afi, requestResult); 527126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } catch (RemoteException e) { 528126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi Log.e(TAG, "Can't call notifyAudioFocusRequest() on IAudioPolicyCallback " 529126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi + mFocusPolicy.asBinder(), e); 530126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 531126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return true; 532126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 533126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 534126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi /** 535126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * Called synchronized on mAudioFocusLock 536126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @param afi 537126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @param requestResult 538126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi * @return true if the external audio focus policy (if any) is handling the focus request 539126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi */ 540126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi boolean notifyExtFocusPolicyFocusAbandon_syncAf(AudioFocusInfo afi) { 541126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy == null) { 542126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return false; 543126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 544126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final FocusRequester fr = mFocusOwnersForFocusPolicy.remove(afi.getClientId()); 545126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (fr != null) { 546126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi fr.release(); 547126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 548126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi try { 549126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi //oneway 550126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi mFocusPolicy.notifyAudioFocusAbandon(afi); 551126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } catch (RemoteException e) { 552126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi Log.e(TAG, "Can't call notifyAudioFocusAbandon() on IAudioPolicyCallback " 553126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi + mFocusPolicy.asBinder(), e); 554126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 555126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return true; 556126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 557126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 558126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi /** see AudioManager.dispatchFocusChange(AudioFocusInfo afi, int focusChange, AudioPolicy ap) */ 559126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi int dispatchFocusChange(AudioFocusInfo afi, int focusChange) { 560126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (DEBUG) { 561126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi Log.v(TAG, "dispatchFocusChange " + focusChange + " to afi client=" 562126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi + afi.getClientId()); 563126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 564126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi synchronized (mAudioFocusLock) { 565126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy == null) { 566126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (DEBUG) { Log.v(TAG, "> failed: no focus policy" ); } 567126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 568126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 569126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final FocusRequester fr = mFocusOwnersForFocusPolicy.get(afi.getClientId()); 570126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (fr == null) { 571126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (DEBUG) { Log.v(TAG, "> failed: no such focus requester known" ); } 572126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 573126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 574126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return fr.dispatchFocusChange(focusChange); 575126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 576126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 577126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 578126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi private void dumpExtFocusPolicyFocusOwners(PrintWriter pw) { 579126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Set<Entry<String, FocusRequester>> owners = mFocusOwnersForFocusPolicy.entrySet(); 580126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Iterator<Entry<String, FocusRequester>> ownerIterator = owners.iterator(); 581126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi while (ownerIterator.hasNext()) { 582126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final Entry<String, FocusRequester> owner = ownerIterator.next(); 583126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final FocusRequester fr = owner.getValue(); 584126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi fr.dump(pw); 585126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 586126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 587126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 5882380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi protected int getCurrentAudioFocus() { 5892380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi synchronized(mAudioFocusLock) { 5902380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi if (mFocusStack.empty()) { 5912380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi return AudioManager.AUDIOFOCUS_NONE; 5922380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi } else { 5932380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi return mFocusStack.peek().getGainRequest(); 5942380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi } 5952380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi } 5962380566debfc57eb1cc07db1306ccee23b84ddd4Jean-Michel Trivi } 597fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 59899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi /** 59962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi * Delay after entering ringing or call mode after which the framework will mute streams 60062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi * that are still playing. 60162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi */ 60262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi private static final int RING_CALL_MUTING_ENFORCEMENT_DELAY_MS = 100; 60362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 60462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi /** 60562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi * Usages to mute when the device rings or is in a call 60662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi */ 60762b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi private final static int[] USAGES_TO_MUTE_IN_RING_OR_CALL = 60862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi { AudioAttributes.USAGE_MEDIA, AudioAttributes.USAGE_GAME }; 60962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 61062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi /** 61199489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi * Return the volume ramp time expected before playback with the given AudioAttributes would 61299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi * start after gaining audio focus. 61399489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi * @param attr attributes of the sound about to start playing 61499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi * @return time in ms 61599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi */ 616dce82ab7bfd5ec7c1ef658825c18506a89e567d6Jean-Michel Trivi protected static int getFocusRampTimeMs(int focusGain, AudioAttributes attr) { 61799489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi switch (attr.getUsage()) { 61899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_MEDIA: 61999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_GAME: 62099489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi return 1000; 62199489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_ALARM: 62299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION_RINGTONE: 62399489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_ASSISTANT: 62499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY: 62599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE: 62699489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi return 700; 62799489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_VOICE_COMMUNICATION: 62899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING: 62999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION: 63099489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_REQUEST: 63199489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT: 63299489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_DELAYED: 63399489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_NOTIFICATION_EVENT: 63499489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_ASSISTANCE_SONIFICATION: 63599489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi return 500; 63699489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi case AudioAttributes.USAGE_UNKNOWN: 63799489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi default: 63899489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi return 0; 63999489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi } 64099489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi } 64199489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi 642fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi /** @see AudioManager#requestAudioFocus(AudioManager.OnAudioFocusChangeListener, int, int, int) */ 643fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi protected int requestAudioFocus(AudioAttributes aa, int focusChangeHint, IBinder cb, 644461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi IAudioFocusDispatcher fd, String clientId, String callingPackageName, int flags, 645461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi int sdk) { 64640399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi Log.i(TAG, " AudioFocus requestAudioFocus() from uid/pid " + Binder.getCallingUid() 64740399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + "/" + Binder.getCallingPid() 64840399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + " clientId=" + clientId 64940399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + " req=" + focusChangeHint 65040399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + " flags=0x" + Integer.toHexString(flags)); 651fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // we need a valid binder callback for clients 652fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (!cb.pingBinder()) { 653fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); 654fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 655fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 656fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 657fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (mAppOps.noteOp(AppOpsManager.OP_TAKE_AUDIO_FOCUS, Binder.getCallingUid(), 658fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi callingPackageName) != AppOpsManager.MODE_ALLOWED) { 659fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 660fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 661fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 662fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 66362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi boolean enteringRingOrCall = !mRingOrCallActive 66462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi & (AudioSystem.IN_VOICE_COMM_FOCUS_ID.compareTo(clientId) == 0); 66562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (enteringRingOrCall) { mRingOrCallActive = true; } 66662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 667126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final AudioFocusInfo afiForExtPolicy; 668126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy != null) { 669126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // construct AudioFocusInfo as it will be communicated to audio focus policy 670126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi afiForExtPolicy = new AudioFocusInfo(aa, Binder.getCallingUid(), 671126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi clientId, callingPackageName, focusChangeHint, 0 /*lossReceived*/, 672461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi flags, sdk); 673126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } else { 674126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi afiForExtPolicy = null; 675126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 676126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 677126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // handle delayed focus 678fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi boolean focusGrantDelayed = false; 679fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi if (!canReassignAudioFocus()) { 680fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi if ((flags & AudioManager.AUDIOFOCUS_FLAG_DELAY_OK) == 0) { 681126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final int result = AudioManager.AUDIOFOCUS_REQUEST_FAILED; 682126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi notifyExtFocusPolicyFocusRequest_syncAf(afiForExtPolicy, result, fd, cb); 683126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return result; 684fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } else { 685fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // request has AUDIOFOCUS_FLAG_DELAY_OK: focus can't be 686fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // granted right now, so the requester will be inserted in the focus stack 687fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // to receive focus later 688fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi focusGrantDelayed = true; 689fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 690fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 691fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 692126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // external focus policy: delay request for focus gain? 693126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final int resultWithExtPolicy = AudioManager.AUDIOFOCUS_REQUEST_DELAYED; 694126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (notifyExtFocusPolicyFocusRequest_syncAf( 695126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi afiForExtPolicy, resultWithExtPolicy, fd, cb)) { 696126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // stop handling focus request here as it is handled by external audio focus policy 697126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return resultWithExtPolicy; 698126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 699126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 700fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // handle the potential premature death of the new holder of the focus 701fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // (premature death == death before abandoning focus) 702fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // Register for client death notification 703fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); 704e89877245fc6dd359e435b5202901f9042819c51Jean-Michel Trivi 705fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi try { 706fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi cb.linkToDeath(afdh, 0); 707fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } catch (RemoteException e) { 708fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // client has already died! 709fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); 710fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_FAILED; 711fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 712fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 71383283f23eb1b7c1576e253c644b8aade6f657d0aJean-Michel Trivi if (!mFocusStack.empty() && mFocusStack.peek().hasSameClient(clientId)) { 714fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // if focus is already owned by this client and the reason for acquiring the focus 715fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // hasn't changed, don't do anything 716fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi final FocusRequester fr = mFocusStack.peek(); 717fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi if (fr.getGainRequest() == focusChangeHint && fr.getGrantFlags() == flags) { 718fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // unlink death handler so it can be gc'ed. 719fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // linkToDeath() creates a JNI global reference preventing collection. 720fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi cb.unlinkToDeath(afdh, 0); 7210212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi notifyExtPolicyFocusGrant_syncAf(fr.toAudioFocusInfo(), 7220212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi AudioManager.AUDIOFOCUS_REQUEST_GRANTED); 723fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 724fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 725fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // the reason for the audio focus request has changed: remove the current top of 726fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // stack and respond as if we had a new focus owner 727fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi if (!focusGrantDelayed) { 728fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi mFocusStack.pop(); 729fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // the entry that was "popped" is the same that was "peeked" above 730fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi fr.release(); 731fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 732fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 733fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 734fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // focus requester might already be somewhere below in the stack, remove it 7350212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi removeFocusStackEntry(clientId, false /* signal */, false /*notifyFocusFollowers*/); 736fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 737fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi final FocusRequester nfr = new FocusRequester(aa, focusChangeHint, flags, fd, cb, 738461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi clientId, afdh, callingPackageName, Binder.getCallingUid(), this, sdk); 739fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi if (focusGrantDelayed) { 740fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // focusGrantDelayed being true implies we can't reassign focus right now 741fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // which implies the focus stack is not empty. 7420212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi final int requestResult = pushBelowLockedFocusOwners(nfr); 7430212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi if (requestResult != AudioManager.AUDIOFOCUS_REQUEST_FAILED) { 7440212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi notifyExtPolicyFocusGrant_syncAf(nfr.toAudioFocusInfo(), requestResult); 7450212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi } 7460212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi return requestResult; 747fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } else { 748fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // propagate the focus change through the stack 749fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi if (!mFocusStack.empty()) { 75099489ccf740d369193a8ffc7eeb4bbde6919bd65Jean-Michel Trivi propagateFocusLossFromGain_syncAf(focusChangeHint, nfr); 751fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 752cbb212ff6f06b004ae19dfb6958ee3852716bbdcJean-Michel Trivi 753fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi // push focus requester at the top of the audio focus stack 754fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi mFocusStack.push(nfr); 755270f1c9d8ff38be25b8972f7d158ca178da82eb7Jean-Michel Trivi nfr.handleFocusGainFromRequest(AudioManager.AUDIOFOCUS_REQUEST_GRANTED); 756fd6ad747e6c268753d0edf7a5a59b6815b190854Jean-Michel Trivi } 7570212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi notifyExtPolicyFocusGrant_syncAf(nfr.toAudioFocusInfo(), 7580212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi AudioManager.AUDIOFOCUS_REQUEST_GRANTED); 759fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 76062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (ENFORCE_MUTING_FOR_RING_OR_CALL & enteringRingOrCall) { 76162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi runAudioCheckerForRingOrCallAsync(true/*enteringRingOrCall*/); 76262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 763fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi }//synchronized(mAudioFocusLock) 764fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 765fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 766fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 767fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 768958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi /** 769958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi * @see AudioManager#abandonAudioFocus(AudioManager.OnAudioFocusChangeListener, AudioAttributes) 770958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi * */ 771126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi protected int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId, AudioAttributes aa, 772126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi String callingPackageName) { 773958876fe55ea0fdeb73c72240a2f2bab32833443Jean-Michel Trivi // AudioAttributes are currently ignored, to be used for zones 77440399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi Log.i(TAG, " AudioFocus abandonAudioFocus() from uid/pid " + Binder.getCallingUid() 77540399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + "/" + Binder.getCallingPid() 77640399053d19a59fafe7493ca6d7bfd52df5626b6Jean-Michel Trivi + " clientId=" + clientId); 777fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi try { 778fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // this will take care of notifying the new focus owner if needed 779fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 780126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi // external focus policy? 781126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (mFocusPolicy != null) { 782126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi final AudioFocusInfo afi = new AudioFocusInfo(aa, Binder.getCallingUid(), 783126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi clientId, callingPackageName, 0 /*gainRequest*/, 0 /*lossReceived*/, 784461922fcfc8572415aa39c43c06afce685bd998dJean-Michel Trivi 0 /*flags*/, 0 /* sdk n/a here*/); 785126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi if (notifyExtFocusPolicyFocusAbandon_syncAf(afi)) { 786126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 787126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 788126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi } 789126cf03f7c8e825a23e47dd133e77eb1b3b7633dJean-Michel Trivi 79062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi boolean exitingRingOrCall = mRingOrCallActive 79162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi & (AudioSystem.IN_VOICE_COMM_FOCUS_ID.compareTo(clientId) == 0); 79262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (exitingRingOrCall) { mRingOrCallActive = false; } 79362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 7940212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi removeFocusStackEntry(clientId, true /*signal*/, true /*notifyFocusFollowers*/); 79562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi 79662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (ENFORCE_MUTING_FOR_RING_OR_CALL & exitingRingOrCall) { 79762b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi runAudioCheckerForRingOrCallAsync(false/*enteringRingOrCall*/); 79862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 799fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 800fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } catch (java.util.ConcurrentModificationException cme) { 801fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // Catching this exception here is temporary. It is here just to prevent 802fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // a crash seen when the "Silent" notification is played. This is believed to be fixed 803fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi // but this try catch block is left just to be safe. 804fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); 805fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi cme.printStackTrace(); 806fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 807fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 808fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; 809fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 810fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 811fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 812fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi protected void unregisterAudioFocusClient(String clientId) { 813fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi synchronized(mAudioFocusLock) { 8140212be5150fb9fb3c340f3c7e51f6126372cc6f9Jean-Michel Trivi removeFocusStackEntry(clientId, false, true /*notifyFocusFollowers*/); 815fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 816fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi } 817fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi 81862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi private void runAudioCheckerForRingOrCallAsync(final boolean enteringRingOrCall) { 81962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi new Thread() { 82062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi public void run() { 82162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (enteringRingOrCall) { 82262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi try { 82362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi Thread.sleep(RING_CALL_MUTING_ENFORCEMENT_DELAY_MS); 82462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } catch (InterruptedException e) { 82562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi e.printStackTrace(); 82662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 82762b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 82862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi synchronized (mAudioFocusLock) { 82962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi // since the new thread starting running the state could have changed, so 83062b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi // we need to check again mRingOrCallActive, not enteringRingOrCall 83162b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi if (mRingOrCallActive) { 83262b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi mFocusEnforcer.mutePlayersForCall(USAGES_TO_MUTE_IN_RING_OR_CALL); 83362b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } else { 83462b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi mFocusEnforcer.unmutePlayersForCall(); 83562b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 83662b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 83762b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 83862b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi }.start(); 83962b8634f06b32f17eced8020ecd9240f70838124Jean-Michel Trivi } 840fa9a69805b001034aa04c3b33989a7ac21522371Jean-Michel Trivi} 841