141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian/* 241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * Copyright (C) 2011 The Android Open Source Project 341f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * 441f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 541f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * you may not use this file except in compliance with the License. 641f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * You may obtain a copy of the License at 741f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * 841f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 941f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * 1041f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * Unless required by applicable law or agreed to in writing, software 1141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 1241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1341f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * See the License for the specific language governing permissions and 1441f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian * limitations under the License. 1541f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian */ 1641f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 1741f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#ifndef ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H 1841f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#define ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H 1941f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 2041f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#include <stdint.h> 2141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#include <sys/types.h> 2241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 2341f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#include <utils/Singleton.h> 2441f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#include <utils/StrongPointer.h> 2541f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 2641f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 2741f673c9b3aac0d96e41c928845c39186d565212Mathias Agopiannamespace android { 2841f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 2941f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian// --------------------------------------------------------------------------- 3041f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 3141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopianclass IMemoryHeap; 3241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopianclass ISurfaceComposer; 3341f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 3441f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian// --------------------------------------------------------------------------- 3541f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 366652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// This holds our connection to the composer service (i.e. SurfaceFlinger). 376652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// If the remote side goes away, we will re-establish the connection. 386652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// Users of this class should not retain the value from 396652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// getComposerService() for an extended period. 406652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// 416652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden// (It's not clear that using Singleton is useful here anymore.) 4241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopianclass ComposerService : public Singleton<ComposerService> 4341f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian{ 4441f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian sp<ISurfaceComposer> mComposerService; 456652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden sp<IBinder::DeathRecipient> mDeathObserver; 466652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden Mutex mLock; 476652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden 4841f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian ComposerService(); 496652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden void connectLocked(); 506652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden void composerServiceDied(); 5141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian friend class Singleton<ComposerService>; 5241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopianpublic: 536652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden 546652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden // Get a connection to the Composer Service. This will block until 556652b3edcb7ef5402c05db12f477ceb23c27d6ecAndy McFadden // a connection is established. 5641f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian static sp<ISurfaceComposer> getComposerService(); 5741f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian}; 5841f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 5941f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian// --------------------------------------------------------------------------- 6041f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian}; // namespace android 6141f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian 6241f673c9b3aac0d96e41c928845c39186d565212Mathias Agopian#endif // ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H 63