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Commit ad19cfbc authored by Hall Liu's avatar Hall Liu
Browse files

Follow system mic mute state in Telecom 

Listen to the new microphone mute state changed broadcast so that the
incall screen can display the mute state if it's changed by another app.

Bug: 64847052
Test: manual
Change-Id: Icec5631e24aff751efe865af2eb9b8c940bae882
parent 980ccdca

src/com/android/server/telecom/CallAudioRouteStateMachine.java

+37 −17
Original line number Diff line number Diff line
@@ -19,7 +19,10 @@ package com.android.server.telecom; 


import android.app.ActivityManager;

import android.bluetooth.BluetoothDevice;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.UserInfo;

import android.media.AudioDeviceInfo;

import android.media.AudioManager;
@@ -122,6 +125,7 @@ public class CallAudioRouteStateMachine extends StateMachine { 
    public static final int MUTE_ON = 3001;

    public static final int MUTE_OFF = 3002;

    public static final int TOGGLE_MUTE = 3003;

    public static final int MUTE_EXTERNALLY_CHANGED = 3004;



    public static final int SWITCH_FOCUS = 4001;
@@ -1221,6 +1225,18 @@ public class CallAudioRouteStateMachine extends StateMachine { 
        }

    }



    private final BroadcastReceiver mMuteChangeReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            Log.startSession("CARSM.mCR");

            if (AudioManager.ACTION_MICROPHONE_MUTE_CHANGED.equals(intent.getAction())) {

                sendInternalMessage(MUTE_EXTERNALLY_CHANGED);

            } else {

                Log.w(this, "Received non-mute-change intent");

            }

        }

    };



    private final ActiveEarpieceRoute mActiveEarpieceRoute = new ActiveEarpieceRoute();

    private final ActiveHeadsetRoute mActiveHeadsetRoute = new ActiveHeadsetRoute();

    private final ActiveBluetoothRoute mActiveBluetoothRoute = new ActiveBluetoothRoute();
@@ -1337,6 +1353,8 @@ public class CallAudioRouteStateMachine extends StateMachine { 
        mAvailableRoutes = mDeviceSupportedRoutes & getCurrentCallSupportedRoutes();

        mIsMuted = initState.isMuted();

        mWasOnSpeaker = false;

        mContext.registerReceiver(mMuteChangeReceiver,

                new IntentFilter(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED));



        mStatusBarNotifier.notifyMute(initState.isMuted());

        mStatusBarNotifier.notifySpeakerphone(initState.getRoute() == CallAudioState.ROUTE_SPEAKER);
@@ -1373,27 +1391,20 @@ public class CallAudioRouteStateMachine extends StateMachine { 
     */

    @Override

    protected void unhandledMessage(Message msg) {

        CallAudioState newCallAudioState;

        switch (msg.what) {

            case MUTE_ON:

                setMuteOn(true);

                newCallAudioState = new CallAudioState(mIsMuted,

                        mCurrentCallAudioState.getRoute(),

                        mAvailableRoutes,

                        mCurrentCallAudioState.getActiveBluetoothDevice(),

                        mBluetoothRouteManager.getConnectedDevices());

                setSystemAudioState(newCallAudioState);

                updateInternalCallAudioState();

                updateSystemMuteState();

                return;

            case MUTE_OFF:

                setMuteOn(false);

                newCallAudioState = new CallAudioState(mIsMuted,

                        mCurrentCallAudioState.getRoute(),

                        mAvailableRoutes,

                        mCurrentCallAudioState.getActiveBluetoothDevice(),

                        mBluetoothRouteManager.getConnectedDevices());

                setSystemAudioState(newCallAudioState);

                updateInternalCallAudioState();

                updateSystemMuteState();

                return;

            case MUTE_EXTERNALLY_CHANGED:

                mIsMuted = mAudioManager.isMicrophoneMute();

                if (isInActiveState()) {

                    updateSystemMuteState();

                }

                return;

            case TOGGLE_MUTE:

                if (mIsMuted) {
@@ -1474,7 +1485,6 @@ public class CallAudioRouteStateMachine extends StateMachine { 
                    // user and not the current foreground, which we want to avoid.

                    audio.setMicrophoneMute(

                            mute, mContext.getOpPackageName(), getCurrentUserId());

                    mStatusBarNotifier.notifyMute(mute);

                } catch (RemoteException e) {

                    Log.e(this, e, "Remote exception while toggling mute.");

                }
@@ -1484,6 +1494,16 @@ public class CallAudioRouteStateMachine extends StateMachine { 
        }

    }



    private void updateSystemMuteState() {

        CallAudioState newCallAudioState = new CallAudioState(mIsMuted,

                mCurrentCallAudioState.getRoute(),

                mAvailableRoutes,

                mCurrentCallAudioState.getActiveBluetoothDevice(),

                mBluetoothRouteManager.getConnectedDevices());

        setSystemAudioState(newCallAudioState);

        updateInternalCallAudioState();

    }



    /**

     * Updates the CallAudioState object from current internal state. The result is used for

     * external communication only.
@@ -1518,7 +1538,7 @@ public class CallAudioRouteStateMachine extends StateMachine { 
            Log.i(this, "setSystemAudioState: changing from %s to %s", mLastKnownCallAudioState,

                    newCallAudioState);

            if (force || !newCallAudioState.equals(mLastKnownCallAudioState)) {



                mStatusBarNotifier.notifyMute(newCallAudioState.isMuted());

                mCallsManager.onCallAudioStateChanged(mLastKnownCallAudioState, newCallAudioState);

                updateAudioForForegroundCall(newCallAudioState);

                mLastKnownCallAudioState = newCallAudioState;