1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package com.android.systemui.plugins; 16 17 import android.text.TextUtils; 18 19 import com.android.systemui.plugins.annotations.ProvidesInterface; 20 21 public interface PluginManager { 22 23 String PLUGIN_CHANGED = "com.android.systemui.action.PLUGIN_CHANGED"; 24 25 // must be one of the channels created in NotificationChannels.java 26 String NOTIFICATION_CHANNEL_ID = "ALR"; 27 28 <T extends Plugin> T getOneShotPlugin(Class<T> cls); 29 <T extends Plugin> T getOneShotPlugin(String action, Class<?> cls); 30 31 <T extends Plugin> void addPluginListener(PluginListener<T> listener, Class<?> cls); 32 <T extends Plugin> void addPluginListener(PluginListener<T> listener, Class<?> cls, 33 boolean allowMultiple); 34 <T extends Plugin> void addPluginListener(String action, PluginListener<T> listener, 35 Class<?> cls); 36 <T extends Plugin> void addPluginListener(String action, PluginListener<T> listener, 37 Class cls, boolean allowMultiple); 38 39 void removePluginListener(PluginListener<?> listener); 40 41 <T> boolean dependsOn(Plugin p, Class<T> cls); 42 43 static <P> String getAction(Class<P> cls) { 44 ProvidesInterface info = cls.getDeclaredAnnotation(ProvidesInterface.class); 45 if (info == null) { 46 throw new RuntimeException(cls + " doesn't provide an interface"); 47 } 48 if (TextUtils.isEmpty(info.action())) { 49 throw new RuntimeException(cls + " doesn't provide an action"); 50 } 51 return info.action(); 52 } 53 } 54
