Merge "Grant background location during emergency calls" (0daee531) · Commits · e / os / android_packages_services_Telecomm

src/com/android/server/telecom/EmergencyCallHelper.java

+40 −13

Original line number	Diff line number	Diff line
		@@ -34,6 +34,8 @@ public class EmergencyCallHelper {
		private final String mDefaultDialerPackage;
		private final Timeouts.Adapter mTimeoutsAdapter;
		private UserHandle mLocationPermissionGrantedToUser;
		private boolean mHadFineLocation = false;
		private boolean mHadBackgroundLocation = false;
		private long mLastEmergencyCallTimestampMillis;

		@VisibleForTesting
		@@ -48,7 +50,7 @@ public class EmergencyCallHelper {

		void maybeGrantTemporaryLocationPermission(Call call, UserHandle userHandle) {
		if (shouldGrantTemporaryLocationPermission(call)) {
		grantLocationPermission(userHandle, call);
		grantLocationPermission(userHandle);
		}
		if (call != null && call.isEmergencyCall()) {
		recordEmergencyCallTime();
		@@ -87,23 +89,34 @@ public class EmergencyCallHelper {
		Log.i(this, "ShouldGrantTemporaryLocationPermission, not emergency");
		return false;
		}
		if (hasLocationPermission()) {
		Log.i(this, "ShouldGrantTemporaryLocationPermission, already has location permission");
		return false;
		}
		Log.i(this, "ShouldGrantTemporaryLocationPermission, returning true");
		return true;
		}

		private void grantLocationPermission(UserHandle userHandle, Call call) {
		private void grantLocationPermission(UserHandle userHandle) {
		Log.i(this, "Granting temporary location permission to " + mDefaultDialerPackage
		+ ", user: " + userHandle);
		try {
		boolean hadBackgroundLocation = hasBackgroundLocationPermission();
		boolean hadFineLocation = hasFineLocationPermission();
		if (hadBackgroundLocation && hadFineLocation) {
		Log.i(this, "Skipping location grant because the default dialer already"
		+ " holds sufficient permissions");
		return;
		}
		if (!hadFineLocation) {
		mContext.getPackageManager().grantRuntimePermission(mDefaultDialerPackage,
		Manifest.permission.ACCESS_FINE_LOCATION, userHandle);
		}
		if (!hadBackgroundLocation) {
		mContext.getPackageManager().grantRuntimePermission(mDefaultDialerPackage,
		Manifest.permission.ACCESS_BACKGROUND_LOCATION, userHandle);
		}
		mHadFineLocation = hadFineLocation;
		mHadBackgroundLocation = hadBackgroundLocation;
		recordPermissionGrant(userHandle);
		} catch (Exception e) {
		Log.e(this, e, "Failed to grant location permission to " + mDefaultDialerPackage
		Log.e(this, e, "Failed to grant location permissions to " + mDefaultDialerPackage
		+ ", user: " + userHandle);
		}
		}
		@@ -112,17 +125,29 @@ public class EmergencyCallHelper {
		Log.i(this, "Revoking temporary location permission from " + mDefaultDialerPackage
		+ ", user: " + mLocationPermissionGrantedToUser);
		UserHandle userHandle = mLocationPermissionGrantedToUser;
		clearPermissionGrant();
		try {
		if (!mHadFineLocation) {
		mContext.getPackageManager().revokeRuntimePermission(mDefaultDialerPackage,
		Manifest.permission.ACCESS_FINE_LOCATION, userHandle);
		}
		if (!mHadBackgroundLocation) {
		mContext.getPackageManager().revokeRuntimePermission(mDefaultDialerPackage,
		Manifest.permission.ACCESS_BACKGROUND_LOCATION, userHandle);
		}
		} catch (Exception e) {
		Log.e(this, e, "Failed to revoke location permission from " + mDefaultDialerPackage
		+ ", user: " + userHandle);
		}
		clearPermissionGrant();
		}

		private boolean hasBackgroundLocationPermission() {
		return mContext.getPackageManager().checkPermission(
		Manifest.permission.ACCESS_BACKGROUND_LOCATION, mDefaultDialerPackage)
		== PackageManager.PERMISSION_GRANTED;
		}

		private boolean hasLocationPermission() {
		private boolean hasFineLocationPermission() {
		return mContext.getPackageManager().checkPermission(
		Manifest.permission.ACCESS_FINE_LOCATION, mDefaultDialerPackage)
		== PackageManager.PERMISSION_GRANTED;
		@@ -138,5 +163,7 @@ public class EmergencyCallHelper {

		private void clearPermissionGrant() {
		mLocationPermissionGrantedToUser = null;
		mHadBackgroundLocation = false;
		mHadFineLocation = false;
		}
		}