Merge "Scan manager: Suspend scan when location is off" into pi-dev (23346114) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/gatt/ScanManager.java

+36 −4

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.hardware.display.DisplayManager;
		import android.location.LocationManager;
		import android.os.Handler;
		import android.os.HandlerThread;
		import android.os.Looper;
		@@ -102,6 +103,7 @@ public class ScanManager {
		private DisplayManager mDm;

		private ActivityManager mActivityManager;
		private LocationManager mLocationManager;
		private static final int FOREGROUND_IMPORTANCE_CUTOFF =
		ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND_SERVICE;

		@@ -115,8 +117,6 @@ public class ScanManager {
		}
		}

		;

		ScanManager(GattService service) {
		mRegularScanClients =
		Collections.newSetFromMap(new ConcurrentHashMap<ScanClient, Boolean>());
		@@ -128,6 +128,7 @@ public class ScanManager {
		mCurUsedTrackableAdvertisements = 0;
		mDm = (DisplayManager) mService.getSystemService(Context.DISPLAY_SERVICE);
		mActivityManager = (ActivityManager) mService.getSystemService(Context.ACTIVITY_SERVICE);
		mLocationManager = (LocationManager) mService.getSystemService(Context.LOCATION_SERVICE);
		}

		void start() {
		@@ -141,6 +142,8 @@ public class ScanManager {
		mActivityManager.addOnUidImportanceListener(mUidImportanceListener,
		FOREGROUND_IMPORTANCE_CUTOFF);
		}
		IntentFilter locationIntentFilter = new IntentFilter(LocationManager.MODE_CHANGED_ACTION);
		mService.registerReceiver(mLocationReceiver, locationIntentFilter);
		}

		void cleanup() {
		@@ -170,6 +173,8 @@ public class ScanManager {
		}
		mHandler = null;
		}

		mService.unregisterReceiver(mLocationReceiver);
		}

		void registerScanner(UUID uuid) {
		@@ -313,6 +318,17 @@ public class ScanManager {
		return;
		}

		final boolean locationEnabled = mLocationManager.isLocationEnabled();
		if (!locationEnabled && !isFiltered && !client.legacyForegroundApp) {
		Log.i(TAG, "Cannot start unfiltered scan in location-off. This scan will be"
		+ " resumed when location is on: " + client.scannerId);
		mSuspendedScanClients.add(client);
		if (client.stats != null) {
		client.stats.recordScanSuspend(client.scannerId);
		}
		return;
		}

		// Begin scan operations.
		if (isBatchClient(client)) {
		mBatchClients.add(client);
		@@ -396,7 +412,7 @@ public class ScanManager {
		void handleSuspendScans() {
		for (ScanClient client : mRegularScanClients) {
		if (!mScanNative.isOpportunisticScanClient(client) && (client.filters == null
		\|\| client.filters.isEmpty())) {
		\|\| client.filters.isEmpty()) && !client.legacyForegroundApp) {
		/Suspend unfiltered scans/
		if (client.stats != null) {
		client.stats.recordScanSuspend(client.scannerId);
		@@ -1303,7 +1319,7 @@ public class ScanManager {

		@Override
		public void onDisplayChanged(int displayId) {
		if (isScreenOn()) {
		if (isScreenOn() && mLocationManager.isLocationEnabled()) {
		sendMessage(MSG_RESUME_SCANS, null);
		} else {
		sendMessage(MSG_SUSPEND_SCANS, null);
		@@ -1324,6 +1340,22 @@ public class ScanManager {
		}
		};

		private BroadcastReceiver mLocationReceiver =
		new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		String action = intent.getAction();
		if (LocationManager.MODE_CHANGED_ACTION.equals(action)) {
		final boolean locationEnabled = mLocationManager.isLocationEnabled();
		if (locationEnabled && isScreenOn()) {
		sendMessage(MSG_RESUME_SCANS, null);
		} else {
		sendMessage(MSG_SUSPEND_SCANS, null);
		}
		}
		}
		};

		private void handleImportanceChange(UidImportance imp) {
		if (imp == null) {
		return;