| /* |
| * Copyright 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.telecomm; |
| |
| import android.content.ComponentName; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.telecomm.CallInfo; |
| import android.telecomm.CallServiceInfo; |
| import android.telecomm.ICallService; |
| import android.telecomm.ICallServiceAdapter; |
| import android.util.Log; |
| |
| /** |
| * Wrapper for {@link ICallService}s, handles binding to {@link ICallService} and keeps track of |
| * when the object can safely be unbound. Other classes should not use {@link ICallService} directly |
| * and instead should use this class to invoke methods of {@link ICallService}. |
| * TODO(santoscordon): Keep track of when the service can be safely unbound. |
| * TODO(santoscordon): Look into combining with android.telecomm.CallService. |
| */ |
| public class CallServiceWrapper extends ServiceBinder<ICallService> { |
| |
| /** |
| * The service action used to bind to ICallService implementations. |
| * TODO(santoscordon): Move this to TelecommConstants. |
| */ |
| static final String CALL_SERVICE_ACTION = ICallService.class.getName(); |
| |
| private static final String TAG = CallServiceWrapper.class.getSimpleName(); |
| |
| /** The descriptor of this call service as supplied by the call-service provider. */ |
| private final CallServiceInfo mCallServiceInfo; |
| |
| /** |
| * The adapter used by the underlying call-service implementation to communicate with Telecomm. |
| */ |
| private final CallServiceAdapter mAdapter; |
| |
| /** The actual service implementation. */ |
| private ICallService mServiceInterface; |
| |
| /** |
| * Creates a call-service provider for the specified component. |
| * |
| * @param info The call-service descriptor from {@link ICallServiceProvider#lookupCallServices}. |
| * @param adapter The call-service adapter. |
| */ |
| public CallServiceWrapper(CallServiceInfo info, CallServiceAdapter adapter) { |
| super(CALL_SERVICE_ACTION, info.getServiceComponent()); |
| mCallServiceInfo = info; |
| mAdapter = adapter; |
| } |
| |
| public CallServiceInfo getInfo() { |
| return mCallServiceInfo; |
| } |
| |
| /** See {@link ICallService#setCallServiceAdapter}. */ |
| public void setCallServiceAdapter(ICallServiceAdapter callServiceAdapter) { |
| try { |
| if (mServiceInterface == null) { |
| Log.wtf(TAG, "setCallServiceAdapter() invoked while the service is unbound."); |
| } else { |
| mServiceInterface.setCallServiceAdapter(callServiceAdapter); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to setCallServiceAdapter.", e); |
| } |
| } |
| |
| /** See {@link ICallService#isCompatibleWith}. */ |
| public void isCompatibleWith(CallInfo callInfo) { |
| try { |
| if (mServiceInterface == null) { |
| Log.wtf(TAG, "isCompatibleWith() invoked while the service is unbound."); |
| } else { |
| mServiceInterface.isCompatibleWith(callInfo); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed checking isCompatibleWith.", e); |
| } |
| } |
| |
| /** See {@link ICallService#call}. */ |
| public void call(CallInfo callInfo) { |
| try { |
| if (mServiceInterface == null) { |
| Log.wtf(TAG, "call() invoked while the service is unbound."); |
| } else { |
| mServiceInterface.call(callInfo); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to place call " + callInfo.getId() + ".", e); |
| } |
| } |
| |
| /** See {@link ICallService#disconnect}. */ |
| public void disconnect(String callId) { |
| try { |
| if (mServiceInterface == null) { |
| Log.wtf(TAG, "disconnect() invoked while the service is unbound."); |
| } else { |
| mServiceInterface.disconnect(callId); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to disconnect call " + callId + ".", e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void setServiceInterface(IBinder binder) { |
| mServiceInterface = ICallService.Stub.asInterface(binder); |
| setCallServiceAdapter(mAdapter); |
| } |
| } |