Merge "FP won't wake device if daemon dies" into oc-dev (e3d3ffcb) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -197,6 +197,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
		private int mFingerprintRunningState = FINGERPRINT_STATE_STOPPED;
		private LockPatternUtils mLockPatternUtils;

		// If FP daemon dies, keyguard should retry after a short delay
		private int mHardwareUnavailableRetryCount = 0;
		private static final int HW_UNAVAILABLE_TIMEOUT = 3000; // ms
		private static final int HW_UNAVAILABLE_RETRY_MAX = 3;

		private final Handler mHandler = new Handler() {
		@Override
		public void handleMessage(Message msg) {
		@@ -471,6 +476,15 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
		}
		}

		private Runnable mRetryFingerprintAuthentication = new Runnable() {
		@Override
		public void run() {
		Log.w(TAG, "Retrying fingerprint after HW unavailable, attempt " +
		mHardwareUnavailableRetryCount);
		updateFingerprintListeningState();
		}
		};

		private void handleFingerprintError(int msgId, String errString) {
		if (msgId == FingerprintManager.FINGERPRINT_ERROR_CANCELED
		&& mFingerprintRunningState == FINGERPRINT_STATE_CANCELLING_RESTARTING) {
		@@ -479,6 +493,15 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
		} else {
		setFingerprintRunningState(FINGERPRINT_STATE_STOPPED);
		}

		if (msgId == FingerprintManager.FINGERPRINT_ERROR_HW_UNAVAILABLE) {
		if (mHardwareUnavailableRetryCount < HW_UNAVAILABLE_RETRY_MAX) {
		mHardwareUnavailableRetryCount++;
		mHandler.removeCallbacks(mRetryFingerprintAuthentication);
		mHandler.postDelayed(mRetryFingerprintAuthentication, HW_UNAVAILABLE_TIMEOUT);
		}
		}

		for (int i = 0; i < mCallbacks.size(); i++) {
		KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get();
		if (cb != null) {
		@@ -940,6 +963,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
		}

		private void handleScreenTurnedOff() {
		mHardwareUnavailableRetryCount = 0;
		final int count = mCallbacks.size();
		for (int i = 0; i < count; i++) {
		KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get();
		@@ -1072,6 +1096,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener {
		}

		private void updateFingerprintListeningState() {
		mHandler.removeCallbacks(mRetryFingerprintAuthentication);
		boolean shouldListenForFingerprint = shouldListenForFingerprint();
		if (mFingerprintRunningState == FINGERPRINT_STATE_RUNNING && !shouldListenForFingerprint) {
		stopListeningForFingerprint();