/* * 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.systemui; import android.app.Application; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Configuration; import android.os.SystemProperties; import android.util.Log; import java.util.HashMap; import java.util.Map; /** * Application class for SystemUI. */ public class SystemUIApplication extends Application { private static final String TAG = "SystemUIService"; private static final boolean DEBUG = false; /** * The classes of the stuff to start. */ private final Class[] SERVICES = new Class[] { com.android.systemui.keyguard.KeyguardViewMediator.class, com.android.systemui.recent.Recents.class, com.android.systemui.volume.VolumeUI.class, com.android.systemui.statusbar.SystemBars.class, com.android.systemui.usb.StorageNotification.class, com.android.systemui.power.PowerUI.class, com.android.systemui.media.RingtonePlayer.class }; /** * Hold a reference on the stuff we start. */ private final SystemUI[] mServices = new SystemUI[SERVICES.length]; private boolean mServicesStarted; private boolean mBootCompleted; private final Map, Object> mComponents = new HashMap, Object>(); @Override public void onCreate() { super.onCreate(); // Set the application theme that is inherited by all services. Note that setting the // application theme in the manifest does only work for activities. Keep this in sync with // the theme set there. setTheme(R.style.systemui_theme); IntentFilter filter = new IntentFilter(Intent.ACTION_BOOT_COMPLETED); filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); registerReceiver(new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (mBootCompleted) return; if (DEBUG) Log.v(TAG, "BOOT_COMPLETED received"); unregisterReceiver(this); mBootCompleted = true; if (mServicesStarted) { final int N = mServices.length; for (int i = 0; i < N; i++) { mServices[i].onBootCompleted(); } } } }, filter); } /** * Makes sure that all the SystemUI services are running. If they are already running, this is a * no-op. This is needed to conditinally start all the services, as we only need to have it in * the main process. * *

This method must only be called from the main thread.

*/ public void startServicesIfNeeded() { if (mServicesStarted) { return; } if (!mBootCompleted) { // check to see if maybe it was already completed long before we began // see ActivityManagerService.finishBooting() if ("1".equals(SystemProperties.get("sys.boot_completed"))) { mBootCompleted = true; if (DEBUG) Log.v(TAG, "BOOT_COMPLETED was already sent"); } } Log.v(TAG, "Starting SystemUI services."); final int N = SERVICES.length; for (int i=0; i cl = SERVICES[i]; if (DEBUG) Log.d(TAG, "loading: " + cl); try { mServices[i] = (SystemUI)cl.newInstance(); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } catch (InstantiationException ex) { throw new RuntimeException(ex); } mServices[i].mContext = this; mServices[i].mComponents = mComponents; if (DEBUG) Log.d(TAG, "running: " + mServices[i]); mServices[i].start(); if (mBootCompleted) { mServices[i].onBootCompleted(); } } mServicesStarted = true; } @Override public void onConfigurationChanged(Configuration newConfig) { if (mServicesStarted) { int len = mServices.length; for (int i = 0; i < len; i++) { mServices[i].onConfigurationChanged(newConfig); } } } @SuppressWarnings("unchecked") public T getComponent(Class interfaceType) { return (T) mComponents.get(interfaceType); } public SystemUI[] getServices() { return mServices; } }