1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.dagger; 18 19 import android.content.Context; 20 import android.util.DisplayMetrics; 21 import android.view.Display; 22 23 import com.android.systemui.dagger.qualifiers.Application; 24 import com.android.systemui.dagger.qualifiers.Main; 25 import com.android.systemui.plugins.PluginsModule; 26 import com.android.systemui.unfold.UnfoldTransitionModule; 27 import com.android.systemui.util.concurrency.GlobalConcurrencyModule; 28 import com.android.systemui.util.kotlin.GlobalCoroutinesModule; 29 30 import dagger.Module; 31 import dagger.Provides; 32 33 /** 34 * Supplies globally scoped instances that should be available in all versions of SystemUI 35 * 36 * Providers in this module will be accessible to both WMComponent and SysUIComponent scoped 37 * classes. They are in here because they are either needed globally or are inherently universal 38 * to the application. 39 * 40 * Note that just because a class might be used by both WM and SysUI does not necessarily mean that 41 * it should go into this module. If WM and SysUI might need the class for different purposes 42 * or different semantics, it may make sense to ask them to supply their own. Something like 43 * threading and concurrency provide a good example. Both components need 44 * Threads/Handlers/Executors, but they need separate instances of them in many cases. 45 * 46 * Please use discretion when adding things to the global scope. 47 */ 48 @Module(includes = { 49 AndroidInternalsModule.class, 50 FrameworkServicesModule.class, 51 GlobalConcurrencyModule.class, 52 GlobalCoroutinesModule.class, 53 UnfoldTransitionModule.class, 54 PluginsModule.class, 55 }) 56 public class GlobalModule { 57 /** 58 * TODO(b/229228871): This should be the default. No undecorated context should be available. 59 */ 60 @Provides 61 @Application provideApplicationContext(Context context)62 public Context provideApplicationContext(Context context) { 63 return context.getApplicationContext(); 64 } 65 66 /** Provides the default content with the main annotation. */ 67 @Provides 68 @Main provideMainContext(Context context)69 public Context provideMainContext(Context context) { 70 return context; 71 } 72 73 /** 74 * @deprecated Deprecdated because {@link Display#getMetrics} is deprecated. 75 */ 76 @Provides 77 @Deprecated provideDisplayMetrics(Context context)78 public DisplayMetrics provideDisplayMetrics(Context context) { 79 DisplayMetrics displayMetrics = new DisplayMetrics(); 80 context.getDisplay().getMetrics(displayMetrics); 81 return displayMetrics; 82 } 83 } 84