1 /* 2 * Copyright (C) 2012 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 #ifndef ANDROID_SF_CLIENT_H 18 #define ANDROID_SF_CLIENT_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Errors.h> 24 #include <utils/KeyedVector.h> 25 #include <utils/Mutex.h> 26 27 #include <gui/ISurfaceComposerClient.h> 28 29 namespace android { 30 31 // --------------------------------------------------------------------------- 32 33 class Layer; 34 class SurfaceFlinger; 35 36 // --------------------------------------------------------------------------- 37 38 class Client : public BnSurfaceComposerClient 39 { 40 public: 41 explicit Client(const sp<SurfaceFlinger>& flinger); 42 Client(const sp<SurfaceFlinger>& flinger, const sp<Layer>& parentLayer); 43 ~Client(); 44 45 status_t initCheck() const; 46 47 // protected by SurfaceFlinger::mStateLock 48 void attachLayer(const sp<IBinder>& handle, const sp<Layer>& layer); 49 50 void detachLayer(const Layer* layer); 51 52 sp<Layer> getLayerUser(const sp<IBinder>& handle) const; 53 54 void updateParent(const sp<Layer>& parentLayer); 55 56 private: 57 // ISurfaceComposerClient interface 58 virtual status_t createSurface( 59 const String8& name, 60 uint32_t w, uint32_t h,PixelFormat format, uint32_t flags, 61 const sp<IBinder>& parent, int32_t windowType, int32_t ownerUid, 62 sp<IBinder>* handle, 63 sp<IGraphicBufferProducer>* gbp); 64 65 virtual status_t destroySurface(const sp<IBinder>& handle); 66 67 virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const; 68 69 virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const; 70 71 virtual status_t onTransact( 72 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); 73 74 sp<Layer> getParentLayer(bool* outParentDied = nullptr) const; 75 76 // constant 77 sp<SurfaceFlinger> mFlinger; 78 79 // protected by mLock 80 DefaultKeyedVector< wp<IBinder>, wp<Layer> > mLayers; 81 wp<Layer> mParentLayer; 82 83 // thread-safe 84 mutable Mutex mLock; 85 }; 86 87 // --------------------------------------------------------------------------- 88 }; // namespace android 89 90 #endif // ANDROID_SF_CLIENT_H 91
