[1/3] Torch long press power: add auto-off function (84e6fa99) · Commits · e / os / android_frameworks_base

core/res/AndroidManifest.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -517,6 +517,10 @@
		<protected-broadcast android:name="com.android.server.retaildemo.ACTION_RESET_DEMO" />

		<protected-broadcast android:name="cyanogenmod.intent.action.LID_STATE_CHANGED" />

		<protected-broadcast
		android:name="com.android.server.policy.PhoneWindowManager.ACTION_TORCH_OFF" />

		<!-- ====================================================================== -->
		<!-- RUNTIME PERMISSIONS -->
		<!-- ====================================================================== -->

services/core/java/com/android/server/policy/PhoneWindowManager.java

+67 −9

Original line number	Diff line number	Diff line
		@@ -43,8 +43,10 @@ import android.app.ActivityManager.StackId;
		import android.app.ActivityManagerInternal;
		import android.app.ActivityManagerInternal.SleepToken;
		import android.app.ActivityManagerNative;
		import android.app.AlarmManager;
		import android.app.AppOpsManager;
		import android.app.IUiModeManager;
		import android.app.PendingIntent;
		import android.app.ProgressDialog;
		import android.app.SearchManager;
		import android.app.StatusBarManager;
		@@ -335,6 +337,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		private static final int NAV_BAR_RIGHT = 1;
		private static final int NAV_BAR_LEFT = 2;

		private static final String ACTION_TORCH_OFF =
		"com.android.server.policy.PhoneWindowManager.ACTION_TORCH_OFF";

		/**
		* Keyguard stuff
		*/
		@@ -396,6 +401,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		AccessibilityManager mAccessibilityManager;
		BurnInProtectionHelper mBurnInProtectionHelper;
		AppOpsManager mAppOpsManager;
		AlarmManager mAlarmManager;
		private boolean mHasFeatureWatch;

		// Vibrator pattern for haptic feedback of a long press.
		@@ -885,6 +891,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		private String mRearFlashCameraId;
		private boolean mTorchLongPressPowerEnabled;
		private boolean mTorchEnabled;
		private int mTorchTimeout;
		private PendingIntent mTorchOffPendingIntent;

		int mDesiredRotation = -1;

		@@ -969,15 +977,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		break;
		}
		case MSG_TOGGLE_TORCH: {
		try {
		final String rearFlashCameraId = getRearFlashCameraId();
		if (rearFlashCameraId != null) {
		mCameraManager.setTorchMode(rearFlashCameraId, !mTorchEnabled);
		mTorchEnabled = !mTorchEnabled;
		}
		} catch (CameraAccessException e) {
		// Ignore
		}
		toggleTorch();
		break;
		}
		case MSG_BACK_DELAYED_PRESS:
		@@ -1015,6 +1015,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		resolver.registerContentObserver(CMSettings.System.getUriFor(
		CMSettings.System.TORCH_LONG_PRESS_POWER_GESTURE), false, this,
		UserHandle.USER_ALL);
		resolver.registerContentObserver(CMSettings.System.getUriFor(
		CMSettings.System.TORCH_LONG_PRESS_POWER_TIMEOUT), false, this,
		UserHandle.USER_ALL);
		resolver.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR), false, this,
		UserHandle.USER_ALL);
		@@ -1951,6 +1954,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
		mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
		mHasFeatureWatch = mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH);
		mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);

		// Init display burn-in protection
		boolean burnInProtectionEnabled = context.getResources().getBoolean(
		@@ -2248,6 +2252,23 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}
		if (DEBUG) Slog.d(TAG, "" + mDeviceKeyHandlers.size() + " device key handlers loaded");

		// Register for torch off events
		BroadcastReceiver torchReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		mTorchOffPendingIntent = null;
		if (mTorchEnabled) {
		mHandler.removeMessages(MSG_TOGGLE_TORCH);
		Message msg = mHandler.obtainMessage(MSG_TOGGLE_TORCH);
		msg.setAsynchronous(true);
		msg.sendToTarget();
		}
		}
		};
		filter = new IntentFilter();
		filter.addAction(ACTION_TORCH_OFF);
		context.registerReceiver(torchReceiver, filter);
		}

		private void updateKeyAssignments() {
		@@ -2462,6 +2483,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		mTorchLongPressPowerEnabled = CMSettings.System.getIntForUser(
		resolver, CMSettings.System.TORCH_LONG_PRESS_POWER_GESTURE, 0,
		UserHandle.USER_CURRENT) == 1;
		mTorchTimeout = CMSettings.System.getIntForUser(
		resolver, CMSettings.System.TORCH_LONG_PRESS_POWER_TIMEOUT, 0,
		UserHandle.USER_CURRENT);
		mHomeWakeScreen = (CMSettings.System.getIntForUser(resolver,
		CMSettings.System.HOME_WAKE_SCREEN, 1, UserHandle.USER_CURRENT) == 1) &&
		((mDeviceHardwareWakeKeys & KEY_MASK_HOME) != 0);
		@@ -9138,6 +9162,36 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}

		private void cancelTorchOff() {
		if (mTorchOffPendingIntent != null) {
		mAlarmManager.cancel(mTorchOffPendingIntent);
		mTorchOffPendingIntent = null;
		}
		}

		private void toggleTorch() {
		cancelTorchOff();
		final boolean origEnabled = mTorchEnabled;
		try {
		final String rearFlashCameraId = getRearFlashCameraId();
		if (rearFlashCameraId != null) {
		mCameraManager.setTorchMode(rearFlashCameraId, !mTorchEnabled);
		mTorchEnabled = !mTorchEnabled;
		}
		} catch (CameraAccessException e) {
		// Ignore
		}
		// Setup torch off alarm
		if (mTorchEnabled && !origEnabled && mTorchTimeout > 0) {
		Intent torchOff = new Intent(ACTION_TORCH_OFF);
		torchOff.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
		\| Intent.FLAG_RECEIVER_FOREGROUND);
		mTorchOffPendingIntent = PendingIntent.getBroadcast(mContext, 0, torchOff, 0);
		mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
		SystemClock.elapsedRealtime() + mTorchTimeout * 1000, mTorchOffPendingIntent);
		}
		}

		private String getRearFlashCameraId() throws CameraAccessException {
		if (mRearFlashCameraId != null) return mRearFlashCameraId;
		for (final String id : mCameraManager.getCameraIdList()) {
		@@ -9156,12 +9210,16 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		public void onTorchModeChanged(String cameraId, boolean enabled) {
		if (!cameraId.equals(mRearFlashCameraId)) return;
		mTorchEnabled = enabled;
		if (!mTorchEnabled) {
		cancelTorchOff();
		}
		}

		@Override
		public void onTorchModeUnavailable(String cameraId) {
		if (!cameraId.equals(mRearFlashCameraId)) return;
		mTorchEnabled = false;
		cancelTorchOff();
		}
		}