Merge "Use settings flag to control HAL location request" into pi-dev (4a836444) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/GnssLocationProvider.java

+14 −20

Original line number	Diff line number	Diff line
		@@ -16,11 +16,11 @@

		package com.android.server.location;

		import android.annotation.Nullable;
		import android.app.AlarmManager;
		import android.app.AppOpsManager;
		import android.app.PendingIntent;
		import android.content.BroadcastReceiver;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		@@ -251,8 +251,6 @@ public class GnssLocationProvider implements LocationProviderInterface, InjectNt
		private static final int TCP_MIN_PORT = 0;
		private static final int TCP_MAX_PORT = 0xffff;

		// 10 seconds.
		private static final long LOCATION_TIME_FRESHNESS_THESHOLD_MILLIS = 10 * 1000;
		// 1 second, or 1 Hz frequency.
		private static final long LOCATION_UPDATE_MIN_TIME_INTERVAL_MILLIS = 1000;
		// 30 seconds.
		@@ -1038,6 +1036,15 @@ public class GnssLocationProvider implements LocationProviderInterface, InjectNt
		}
		return;
		}
		ContentResolver resolver = mContext.getContentResolver();
		long durationMillis = Settings.Global.getLong(
		resolver,
		Settings.Global.GNSS_HAL_LOCATION_REQUEST_DURATION_MILLIS,
		LOCATION_UPDATE_DURATION_MILLIS);
		if (durationMillis == 0) {
		Log.i(TAG, "GNSS HAL location request is disabled by Settings.");
		return;
		}

		LocationManager locationManager = (LocationManager) mContext.getSystemService(
		Context.LOCATION_SERVICE);
		@@ -1055,7 +1062,9 @@ public class GnssLocationProvider implements LocationProviderInterface, InjectNt
		}

		Log.i(TAG,
		String.format("GNSS HAL Requesting location updates from %s provider.", provider));
		String.format(
		"GNSS HAL Requesting location updates from %s provider for %d millis.",
		provider, durationMillis));
		locationManager.requestLocationUpdates(provider,
		LOCATION_UPDATE_MIN_TIME_INTERVAL_MILLIS, /minDistance=/ 0,
		locationListener, mHandler.getLooper());
		@@ -1065,7 +1074,7 @@ public class GnssLocationProvider implements LocationProviderInterface, InjectNt
		Log.i(TAG, String.format("Removing location updates from %s provider.", provider));
		locationManager.removeUpdates(locationListener);
		}
		}, LOCATION_UPDATE_DURATION_MILLIS);
		}, durationMillis);
		}

		private void injectBestLocation(Location location) {
		@@ -1094,21 +1103,6 @@ public class GnssLocationProvider implements LocationProviderInterface, InjectNt
		timestamp);
		}

		/**
		* Get the last fresh location.
		*
		* Return null if the last location is not available or not fresh.
		*/
		private @Nullable
		Location getLastFreshLocation(LocationManager locationManager, String provider) {
		Location location = locationManager.getLastKnownLocation(provider);
		if (location != null && System.currentTimeMillis() - location.getTime()
		< LOCATION_TIME_FRESHNESS_THESHOLD_MILLIS) {
		return location;
		}
		return null;
		}

		/** Returns true if the location request is too frequent. */
		private boolean isRequestLocationRateLimited() {
		// TODO(b/73198123): implement exponential backoff.