120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie/* 220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Copyright (C) 2015 The Android Open Source Project 320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Licensed under the Apache License, Version 2.0 (the "License"); 520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * you may not use this file except in compliance with the License. 620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * You may obtain a copy of the License at 720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * http://www.apache.org/licenses/LICENSE-2.0 920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 1020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Unless required by applicable law or agreed to in writing, software 1120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * distributed under the License is distributed on an "AS IS" BASIS, 1220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * See the License for the specific language governing permissions and 1420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * limitations under the License. 1520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie */ 1620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 1720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie#pragma once 1820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 1920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieclass AudioPolicyManagerInterface; 2020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieclass AudioPolicyPluginInterface; 2120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 2220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffienamespace android 2320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie{ 2420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffienamespace audio_policy 2520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie{ 2620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 2720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieclass Engine; 2820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 2920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieclass EngineInstance 3020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie{ 3120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieprotected: 3220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie EngineInstance(); 3320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 3420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffiepublic: 3520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie virtual ~EngineInstance(); 3620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 3720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie /** 3820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Get Audio Policy Engine instance. 3920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 4020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * @return pointer to Route Manager Instance object. 4120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie */ 4220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie static EngineInstance *getInstance(); 4320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 4420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie /** 4520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Interface query. 4620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * The first client of an interface of the policy engine will start the singleton. 4720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 4820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * @tparam RequestedInterface: interface that the client is wishing to retrieve. 4920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 5020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * @return interface handle. 5120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie */ 5220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie template <class RequestedInterface> 5320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie RequestedInterface *queryInterface() const; 5420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 5520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieprotected: 5620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie /** 5720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Get Audio Policy Engine instance. 5820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * 5920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * @return Audio Policy Engine singleton. 6020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie */ 6120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie Engine *getEngine() const; 6220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 6320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffieprivate: 6420f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie /* Copy facilities are put private to disable copy. */ 6520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie EngineInstance(const EngineInstance &object); 6620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie EngineInstance &operator=(const EngineInstance &object); 6720f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie}; 6820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 6920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie/** 7020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Limit template instantation to supported type interfaces. 7120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie * Compile time error will claim if invalid interface is requested. 7220f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie */ 7320f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffietemplate <> 7420f06f996337c9bf79d0b112083f6427a122ebabFrançois GaffieAudioPolicyManagerInterface *EngineInstance::queryInterface() const; 7520f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 7620f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffietemplate <> 7720f06f996337c9bf79d0b112083f6427a122ebabFrançois GaffieAudioPolicyPluginInterface *EngineInstance::queryInterface() const; 7820f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 7920f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie}; // namespace audio_policy 8020f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie 8120f06f996337c9bf79d0b112083f6427a122ebabFrançois Gaffie}; // namespace android 82