diff options
Diffstat (limited to 'services/core/java/com/android/server/location/ActivityRecognitionProxy.java')
-rw-r--r-- | services/core/java/com/android/server/location/ActivityRecognitionProxy.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/location/ActivityRecognitionProxy.java b/services/core/java/com/android/server/location/ActivityRecognitionProxy.java new file mode 100644 index 0000000..7e7f2e4 --- /dev/null +++ b/services/core/java/com/android/server/location/ActivityRecognitionProxy.java @@ -0,0 +1,111 @@ +/* + * 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 com.android.server.ServiceWatcher; + +import android.content.Context; +import android.hardware.location.ActivityRecognitionHardware; +import android.hardware.location.IActivityRecognitionHardwareWatcher; +import android.os.Handler; +import android.os.RemoteException; +import android.util.Log; + +/** + * Proxy class to bind GmsCore to the ActivityRecognitionHardware. + * + * @hide + */ +public class ActivityRecognitionProxy { + private final String TAG = "ActivityRecognitionProxy"; + private final ServiceWatcher mServiceWatcher; + private final ActivityRecognitionHardware mActivityRecognitionHardware; + + private ActivityRecognitionProxy( + Context context, + Handler handler, + ActivityRecognitionHardware activityRecognitionHardware, + int overlaySwitchResId, + int defaultServicePackageNameResId, + int initialPackageNameResId) { + mActivityRecognitionHardware = activityRecognitionHardware; + + Runnable newServiceWork = new Runnable() { + @Override + public void run() { + bindProvider(mActivityRecognitionHardware); + } + }; + + // prepare the connection to the provider + mServiceWatcher = new ServiceWatcher( + context, + TAG, + "com.android.location.service.ActivityRecognitionProvider", + overlaySwitchResId, + defaultServicePackageNameResId, + initialPackageNameResId, + newServiceWork, + handler); + } + + /** + * Creates an instance of the proxy and binds it to the appropriate FusedProvider. + * + * @return An instance of the proxy if it could be bound, null otherwise. + */ + public static ActivityRecognitionProxy createAndBind( + Context context, + Handler handler, + ActivityRecognitionHardware activityRecognitionHardware, + int overlaySwitchResId, + int defaultServicePackageNameResId, + int initialPackageNameResId) { + ActivityRecognitionProxy activityRecognitionProxy = new ActivityRecognitionProxy( + context, + handler, + activityRecognitionHardware, + overlaySwitchResId, + defaultServicePackageNameResId, + initialPackageNameResId); + + // try to bind the provider + if (!activityRecognitionProxy.mServiceWatcher.start()) { + return null; + } + + return activityRecognitionProxy; + } + + /** + * Helper function to bind the FusedLocationHardware to the appropriate FusedProvider instance. + */ + private void bindProvider(ActivityRecognitionHardware activityRecognitionHardware) { + IActivityRecognitionHardwareWatcher watcher = + IActivityRecognitionHardwareWatcher.Stub.asInterface(mServiceWatcher.getBinder()); + if (watcher == null) { + Log.e(TAG, "No provider instance found on connection."); + return; + } + + try { + watcher.onInstanceChanged(mActivityRecognitionHardware); + } catch (RemoteException e) { + Log.e(TAG, "Error delivering hardware interface.", e); + } + } +} |