| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.location; |
| |
| import android.location.GnssMeasurementsEvent; |
| import android.location.IGnssMeasurementsListener; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| /** |
| * An base implementation for GPS measurements provider. |
| * It abstracts out the responsibility of handling listeners, while still allowing technology |
| * specific implementations to be built. |
| * |
| * @hide |
| */ |
| public abstract class GnssMeasurementsProvider |
| extends RemoteListenerHelper<IGnssMeasurementsListener> { |
| private static final String TAG = "GnssMeasurementsProvider"; |
| |
| protected GnssMeasurementsProvider(Handler handler) { |
| super(handler, TAG); |
| } |
| |
| public void onMeasurementsAvailable(final GnssMeasurementsEvent event) { |
| ListenerOperation<IGnssMeasurementsListener> operation = |
| new ListenerOperation<IGnssMeasurementsListener>() { |
| @Override |
| public void execute(IGnssMeasurementsListener listener) throws RemoteException { |
| listener.onGnssMeasurementsReceived(event); |
| } |
| }; |
| foreach(operation); |
| } |
| |
| public void onCapabilitiesUpdated(boolean isGnssMeasurementsSupported) { |
| setSupported(isGnssMeasurementsSupported); |
| updateResult(); |
| } |
| |
| public void onGpsEnabledChanged() { |
| tryUpdateRegistrationWithService(); |
| updateResult(); |
| } |
| |
| @Override |
| protected ListenerOperation<IGnssMeasurementsListener> getHandlerOperation(int result) { |
| int status; |
| switch (result) { |
| case RESULT_SUCCESS: |
| status = GnssMeasurementsEvent.Callback.STATUS_READY; |
| break; |
| case RESULT_NOT_AVAILABLE: |
| case RESULT_NOT_SUPPORTED: |
| case RESULT_INTERNAL_ERROR: |
| status = GnssMeasurementsEvent.Callback.STATUS_NOT_SUPPORTED; |
| break; |
| case RESULT_GPS_LOCATION_DISABLED: |
| status = GnssMeasurementsEvent.Callback.STATUS_LOCATION_DISABLED; |
| break; |
| case RESULT_UNKNOWN: |
| return null; |
| default: |
| Log.v(TAG, "Unhandled addListener result: " + result); |
| return null; |
| } |
| return new StatusChangedOperation(status); |
| } |
| |
| private static class StatusChangedOperation |
| implements ListenerOperation<IGnssMeasurementsListener> { |
| private final int mStatus; |
| |
| public StatusChangedOperation(int status) { |
| mStatus = status; |
| } |
| |
| @Override |
| public void execute(IGnssMeasurementsListener listener) throws RemoteException { |
| listener.onStatusChanged(mStatus); |
| } |
| } |
| } |