Turn off hotword when in power save mode (efe0f9c7) · Commits · e / os / android_frameworks_base

services/voiceinteraction/java/com/android/server/voiceinteraction/SoundTriggerHelper.java

+62 −13

Original line number	Diff line number	Diff line
		@@ -16,6 +16,10 @@

		package com.android.server.voiceinteraction;

		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.hardware.soundtrigger.IRecognitionStatusCallback;
		import android.hardware.soundtrigger.SoundTrigger;
		import android.hardware.soundtrigger.SoundTrigger.Keyphrase;
		@@ -27,6 +31,7 @@ import android.hardware.soundtrigger.SoundTrigger.RecognitionConfig;
		import android.hardware.soundtrigger.SoundTrigger.RecognitionEvent;
		import android.hardware.soundtrigger.SoundTrigger.SoundModelEvent;
		import android.hardware.soundtrigger.SoundTriggerModule;
		import android.os.PowerManager;
		import android.os.RemoteException;
		import android.telephony.PhoneStateListener;
		import android.telephony.TelephonyManager;
		@@ -64,8 +69,10 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		/** The properties for the DSP module */
		private final SoundTriggerModule mModule;
		private final Object mLock = new Object();
		private final Context mContext;
		private final TelephonyManager mTelephonyManager;
		private final PhoneStateListener mPhoneStateListener;
		private final PowerManager mPowerManager;

		// TODO: Since many layers currently only deal with one recognition
		// we simplify things by assuming one listener here too.
		@@ -77,15 +84,19 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		private RecognitionConfig mRecognitionConfig = null;
		private boolean mRequested = false;
		private boolean mCallActive = false;
		private boolean mIsPowerSaveMode = false;
		// Indicates if the native sound trigger service is disabled or not.
		// This is an indirect indication of the microphone being open in some other application.
		private boolean mServiceDisabled = false;
		private boolean mStarted = false;
		private PowerSaveModeListener mPowerSaveModeListener;

		SoundTriggerHelper(TelephonyManager telephonyManager) {
		SoundTriggerHelper(Context context) {
		ArrayList <ModuleProperties> modules = new ArrayList<>();
		int status = SoundTrigger.listModules(modules);
		mTelephonyManager = telephonyManager;
		mContext = context;
		mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
		mPowerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
		mPhoneStateListener = new MyCallStateListener();
		if (status != SoundTrigger.STATUS_OK \|\| modules.size() == 0) {
		Slog.w(TAG, "listModules status=" + status + ", # of modules=" + modules.size());
		@@ -133,6 +144,15 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		mCallActive = mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE;
		// Register for call state changes when the first call to start recognition occurs.
		mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);

		// Register for power saver mode changes when the first call to start recognition
		// occurs.
		if (mPowerSaveModeListener == null) {
		mPowerSaveModeListener = new PowerSaveModeListener();
		mContext.registerReceiver(mPowerSaveModeListener,
		new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
		}
		mIsPowerSaveMode = mPowerManager.isPowerSaveMode();
		}

		if (moduleProperties == null \|\| mModule == null) {
		@@ -338,16 +358,6 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		}
		}

		class MyCallStateListener extends PhoneStateListener {
		@Override
		public void onCallStateChanged(int state, String arg1) {
		if (DBG) Slog.d(TAG, "onCallStateChanged: " + state);
		synchronized (mLock) {
		onCallStateChangedLocked(TelephonyManager.CALL_STATE_IDLE != state);
		}
		}
		}

		private void onCallStateChangedLocked(boolean callActive) {
		if (mCallActive == callActive) {
		// We consider multiple call states as being active
		@@ -358,6 +368,14 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		updateRecognitionLocked(true /* notify */);
		}

		private void onPowerSaveModeChangedLocked(boolean isPowerSaveMode) {
		if (mIsPowerSaveMode == isPowerSaveMode) {
		return;
		}
		mIsPowerSaveMode = isPowerSaveMode;
		updateRecognitionLocked(true /* notify */);
		}

		private void onSoundModelUpdatedLocked(SoundModelEvent event) {
		// TODO: Handle sound model update here.
		}
		@@ -438,7 +456,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		return STATUS_OK;
		}

		boolean start = mRequested && !mCallActive && !mServiceDisabled;
		boolean start = mRequested && !mCallActive && !mServiceDisabled && !mIsPowerSaveMode;
		if (start == mStarted) {
		// No-op.
		return STATUS_OK;
		@@ -509,6 +527,36 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {

		// Unregister from call state changes.
		mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);

		// Unregister from power save mode changes.
		if (mPowerSaveModeListener != null) {
		mContext.unregisterReceiver(mPowerSaveModeListener);
		mPowerSaveModeListener = null;
		}
		}

		class MyCallStateListener extends PhoneStateListener {
		@Override
		public void onCallStateChanged(int state, String arg1) {
		if (DBG) Slog.d(TAG, "onCallStateChanged: " + state);
		synchronized (mLock) {
		onCallStateChangedLocked(TelephonyManager.CALL_STATE_IDLE != state);
		}
		}
		}

		class PowerSaveModeListener extends BroadcastReceiver {
		@Override
		public void onReceive(Context context, Intent intent) {
		if (!PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(intent.getAction())) {
		return;
		}
		boolean active = mPowerManager.isPowerSaveMode();
		if (DBG) Slog.d(TAG, "onPowerSaveModeChanged: " + active);
		synchronized (mLock) {
		onPowerSaveModeChangedLocked(active);
		}
		}
		}

		void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		@@ -525,6 +573,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
		pw.print(" requested="); pw.println(mRequested);
		pw.print(" started="); pw.println(mStarted);
		pw.print(" call active="); pw.println(mCallActive);
		pw.print(" power save mode active="); pw.println(mIsPowerSaveMode);
		pw.print(" service disabled="); pw.println(mServiceDisabled);
		}
		}

services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java

+1 −3

Original line number	Diff line number	Diff line
		@@ -46,7 +46,6 @@ import android.service.voice.IVoiceInteractionSession;
		import android.service.voice.VoiceInteractionService;
		import android.service.voice.VoiceInteractionServiceInfo;
		import android.speech.RecognitionService;
		import android.telephony.TelephonyManager;
		import android.text.TextUtils;
		import android.util.Slog;

		@@ -78,8 +77,7 @@ public class VoiceInteractionManagerService extends SystemService {
		mContext = context;
		mResolver = context.getContentResolver();
		mDbHelper = new DatabaseHelper(context);
		mSoundTriggerHelper = new SoundTriggerHelper(
		(TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE));
		mSoundTriggerHelper = new SoundTriggerHelper(context);
		}

		@Override