Merge "Revert back wake locks in GsmCdmaConnection" into rvc-dev (015d1f7b) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/GsmCdmaConnection.java

+89 −2

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.os.Handler;
		import android.os.Looper;
		import android.os.Message;
		import android.os.PersistableBundle;
		import android.os.PowerManager;
		import android.os.Registrant;
		import android.os.SystemClock;
		import android.telephony.CarrierConfigManager;
		@@ -74,6 +75,8 @@ public class GsmCdmaConnection extends Connection {

		Handler mHandler;

		private PowerManager.WakeLock mPartialWakeLock;

		// The cached delay to be used between DTMF tones fetched from carrier config.
		private int mDtmfToneDelay = 0;

		@@ -83,11 +86,13 @@ public class GsmCdmaConnection extends Connection {
		static final int EVENT_DTMF_DONE = 1;
		static final int EVENT_PAUSE_DONE = 2;
		static final int EVENT_NEXT_POST_DIAL = 3;
		static final int EVENT_WAKE_LOCK_TIMEOUT = 4;
		static final int EVENT_DTMF_DELAY_DONE = 5;

		//***** Constants
		static final int PAUSE_DELAY_MILLIS_GSM = 3 * 1000;
		static final int PAUSE_DELAY_MILLIS_CDMA = 2 * 1000;
		static final int WAKE_LOCK_TIMEOUT_MILLIS = 60 * 1000;

		//***** Inner Classes

		@@ -104,6 +109,9 @@ public class GsmCdmaConnection extends Connection {
		case EVENT_PAUSE_DONE:
		processNextPostDialChar();
		break;
		case EVENT_WAKE_LOCK_TIMEOUT:
		releaseWakeLock();
		break;
		case EVENT_DTMF_DONE:
		// We may need to add a delay specified by carrier between DTMF tones that are
		// sent out.
		@@ -119,6 +127,8 @@ public class GsmCdmaConnection extends Connection {
		/** This is probably an MT call that we first saw in a CLCC response or a hand over. */
		public GsmCdmaConnection (GsmCdmaPhone phone, DriverCall dc, GsmCdmaCallTracker ct, int index) {
		super(phone.getPhoneType());
		createWakeLock(phone.getContext());
		acquireWakeLock();

		mOwner = ct;
		mHandler = new MyHandler(mOwner.getLooper());
		@@ -149,6 +159,8 @@ public class GsmCdmaConnection extends Connection {
		public GsmCdmaConnection (GsmCdmaPhone phone, String dialString, GsmCdmaCallTracker ct,
		GsmCdmaCall parent, boolean isEmergencyCall) {
		super(phone.getPhoneType());
		createWakeLock(phone.getContext());
		acquireWakeLock();

		mOwner = ct;
		mHandler = new MyHandler(mOwner.getLooper());
		@@ -203,6 +215,8 @@ public class GsmCdmaConnection extends Connection {
		public GsmCdmaConnection(Context context, CdmaCallWaitingNotification cw, GsmCdmaCallTracker ct,
		GsmCdmaCall parent) {
		super(parent.getPhone().getPhoneType());
		createWakeLock(context);
		acquireWakeLock();

		mOwner = ct;
		mHandler = new MyHandler(mOwner.getLooper());
		@@ -226,6 +240,7 @@ public class GsmCdmaConnection extends Connection {
		if (mParent != null) {
		mParent.detach(this);
		}
		releaseAllWakeLocks();
		}

		static boolean equalsHandlesNulls(Object a, Object b) {
		@@ -618,6 +633,7 @@ public class GsmCdmaConnection extends Connection {
		mOrigConnection = null;
		}
		clearPostDialListeners();
		releaseWakeLock();
		return changed;
		}

		@@ -633,6 +649,7 @@ public class GsmCdmaConnection extends Connection {
		mParent.detach(this);
		}
		}
		releaseWakeLock();
		}

		// Returns true if state has changed, false if nothing changed
		@@ -774,7 +791,21 @@ public class GsmCdmaConnection extends Connection {
		if (!mIsIncoming) {
		// outgoing calls only
		processNextPostDialChar();
		} else {
		// Only release wake lock for incoming calls, for outgoing calls the wake lock
		// will be released after any pause-dial is completed
		releaseWakeLock();
		}
		}

		/**
		* We have completed the migration of another connection to this GsmCdmaConnection (for example,
		* in the case of SRVCC) and not still DIALING/ALERTING/INCOMING/WAITING.
		*/
		void onConnectedConnectionMigrated() {
		// We can release the wakelock in this case, the migrated call is not still
		// DIALING/ALERTING/INCOMING/WAITING.
		releaseWakeLock();
		}

		private void
		@@ -861,7 +892,17 @@ public class GsmCdmaConnection extends Connection {
		@Override
		protected void finalize()
		{
		/**
		* It is understood that This finalizer is not guaranteed
		* to be called and the release lock call is here just in
		* case there is some path that doesn't call onDisconnect
		* and or onConnectedInOrOut.
		*/
		if (mPartialWakeLock != null && mPartialWakeLock.isHeld()) {
		Rlog.e(LOG_TAG, "UNEXPECTED; mPartialWakeLock is held when finalizing.");
		}
		clearPostDialListeners();
		releaseWakeLock();
		}

		private void
		@@ -870,6 +911,7 @@ public class GsmCdmaConnection extends Connection {
		Registrant postDialHandler;

		if (mPostDialState == PostDialState.CANCELLED) {
		releaseWakeLock();
		return;
		}

		@@ -877,6 +919,9 @@ public class GsmCdmaConnection extends Connection {
		mPostDialString.length() <= mNextPostDialChar) {
		setPostDialState(PostDialState.COMPLETE);

		// We were holding a wake lock until pause-dial was complete, so give it up now
		releaseWakeLock();

		// notifyMessage.arg1 is 0 on complete
		c = 0;
		} else {
		@@ -970,18 +1015,60 @@ public class GsmCdmaConnection extends Connection {
		* @param s new PostDialState
		*/
		private void setPostDialState(PostDialState s) {
		if (s == PostDialState.STARTED
		\|\| s == PostDialState.PAUSE) {
		synchronized (mPartialWakeLock) {
		if (mPartialWakeLock.isHeld()) {
		mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT);
		} else {
		acquireWakeLock();
		}
		Message msg = mHandler.obtainMessage(EVENT_WAKE_LOCK_TIMEOUT);
		mHandler.sendMessageDelayed(msg, WAKE_LOCK_TIMEOUT_MILLIS);
		}
		} else {
		mHandler.removeMessages(EVENT_WAKE_LOCK_TIMEOUT);
		releaseWakeLock();
		}
		mPostDialState = s;
		notifyPostDialListeners();
		}

		@UnsupportedAppUsage
		private void createWakeLock(Context context) {
		// no-op
		PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
		mPartialWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, LOG_TAG);
		}

		@UnsupportedAppUsage
		private void acquireWakeLock() {
		// no-op
		if (mPartialWakeLock != null) {
		synchronized (mPartialWakeLock) {
		log("acquireWakeLock");
		mPartialWakeLock.acquire();
		}
		}
		}

		private void releaseWakeLock() {
		if (mPartialWakeLock != null) {
		synchronized (mPartialWakeLock) {
		if (mPartialWakeLock.isHeld()) {
		log("releaseWakeLock");
		mPartialWakeLock.release();
		}
		}
		}
		}

		private void releaseAllWakeLocks() {
		if (mPartialWakeLock != null) {
		synchronized (mPartialWakeLock) {
		while (mPartialWakeLock.isHeld()) {
		mPartialWakeLock.release();
		}
		}
		}
		}

		@UnsupportedAppUsage