| /* |
| * 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.telecom; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.util.Slog; |
| |
| import com.android.server.SystemService; |
| |
| /** |
| * Starts the telecom component by binding to its ITelecomService implementation. Telecom is setup |
| * to run in the system-server process so once it is loaded into memory it will stay running. |
| * @hide |
| */ |
| public class TelecomLoaderService extends SystemService { |
| private static final String TAG = "TelecomLoaderService"; |
| |
| private class TelecomServiceConnection implements ServiceConnection { |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| // Normally, we would listen for death here, but since telecom runs in the same process |
| // as this loader (process="system") thats redundant here. |
| try { |
| service.linkToDeath(new IBinder.DeathRecipient() { |
| @Override |
| public void binderDied() { |
| connectToTelecom(); |
| } |
| }, 0); |
| |
| ServiceManager.addService(Context.TELECOM_SERVICE, service); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failed linking to death."); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| connectToTelecom(); |
| } |
| } |
| |
| private static final ComponentName SERVICE_COMPONENT = new ComponentName( |
| "com.android.server.telecom", |
| "com.android.server.telecom.TelecomService"); |
| |
| private static final String SERVICE_ACTION = "com.android.ITelecomService"; |
| |
| private final Context mContext; |
| private TelecomServiceConnection mServiceConnection; |
| |
| public TelecomLoaderService(Context context) { |
| super(context); |
| mContext = context; |
| } |
| |
| @Override |
| public void onStart() { |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_ACTIVITY_MANAGER_READY) { |
| connectToTelecom(); |
| } |
| } |
| |
| private void connectToTelecom() { |
| if (mServiceConnection != null) { |
| // TODO: Is unbinding worth doing or wait for system to rebind? |
| mContext.unbindService(mServiceConnection); |
| mServiceConnection = null; |
| } |
| |
| TelecomServiceConnection serviceConnection = new TelecomServiceConnection(); |
| Intent intent = new Intent(SERVICE_ACTION); |
| intent.setComponent(SERVICE_COMPONENT); |
| int flags = Context.BIND_IMPORTANT | Context.BIND_AUTO_CREATE; |
| |
| // Bind to Telecom and register the service |
| if (mContext.bindServiceAsUser(intent, serviceConnection, flags, UserHandle.OWNER)) { |
| mServiceConnection = serviceConnection; |
| } |
| } |
| } |