| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| #ifndef ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H |
| #define ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <utils/Singleton.h> |
| #include <utils/StrongPointer.h> |
| |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| class ISurfaceComposer; |
| |
| // --------------------------------------------------------------------------- |
| |
| // This holds our connection to the composer service (i.e. SurfaceFlinger). |
| // If the remote side goes away, we will re-establish the connection. |
| // Users of this class should not retain the value from |
| // getComposerService() for an extended period. |
| // |
| // (It's not clear that using Singleton is useful here anymore.) |
| class ComposerService : public Singleton<ComposerService> |
| { |
| sp<ISurfaceComposer> mComposerService; |
| sp<IBinder::DeathRecipient> mDeathObserver; |
| Mutex mLock; |
| |
| ComposerService(); |
| void connectLocked(); |
| void composerServiceDied(); |
| friend class Singleton<ComposerService>; |
| public: |
| |
| // Get a connection to the Composer Service. This will block until |
| // a connection is established. |
| static sp<ISurfaceComposer> getComposerService(); |
| }; |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |
| #endif // ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H |