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Turn off hotword when in power save mode

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Bug: 15705459
Change-Id: Ifa8b80223affffdc00da467c2066bc6370c85af1
This commit is contained in:
Sandeep Siddhartha
2014-08-22 17:45:04 -07:00
parent a434963fad
commit efe0f9c7f2
2 changed files with 63 additions and 16 deletions
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75
services/voiceinteraction/java/com/android/server/voiceinteraction/SoundTriggerHelper.java
View File

@@ -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);
}
}

4
services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
View File

@@ -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