| /* |
| * Copyright (C) 2007 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_GUI_SURFACE_CONTROL_H |
| #define ANDROID_GUI_SURFACE_CONTROL_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <utils/KeyedVector.h> |
| #include <utils/RefBase.h> |
| #include <utils/threads.h> |
| |
| #include <ui/FrameStats.h> |
| #include <ui/PixelFormat.h> |
| #include <ui/Region.h> |
| |
| #include <gui/ISurfaceComposerClient.h> |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| class IGraphicBufferProducer; |
| class Surface; |
| class SurfaceComposerClient; |
| |
| // --------------------------------------------------------------------------- |
| |
| class SurfaceControl : public RefBase |
| { |
| public: |
| static bool isValid(const sp<SurfaceControl>& surface) { |
| return (surface != 0) && surface->isValid(); |
| } |
| |
| bool isValid() { |
| return mHandle!=0 && mClient!=0; |
| } |
| |
| static bool isSameSurface( |
| const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs); |
| |
| // release surface data from java |
| void clear(); |
| |
| // disconnect any api that's connected |
| void disconnect(); |
| |
| status_t setLayerStack(uint32_t layerStack); |
| status_t setLayer(uint32_t layer); |
| status_t setPosition(float x, float y); |
| status_t setSize(uint32_t w, uint32_t h); |
| status_t hide(); |
| status_t show(); |
| status_t setFlags(uint32_t flags, uint32_t mask); |
| status_t setTransparentRegionHint(const Region& transparent); |
| status_t setAlpha(float alpha=1.0f); |
| status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy); |
| status_t setCrop(const Rect& crop); |
| status_t setFinalCrop(const Rect& crop); |
| |
| // If the size changes in this transaction, position updates specified |
| // in this transaction will not complete until a buffer of the new size |
| // arrives. |
| status_t setPositionAppliesWithResize(); |
| |
| // Defers applying any changes made in this transaction until the Layer |
| // identified by handle reaches the given frameNumber |
| status_t deferTransactionUntil(sp<IBinder> handle, uint64_t frameNumber); |
| |
| // Set an override scaling mode as documented in <system/window.h> |
| // the override scaling mode will take precedence over any client |
| // specified scaling mode. -1 will clear the override scaling mode. |
| status_t setOverrideScalingMode(int32_t overrideScalingMode); |
| |
| static status_t writeSurfaceToParcel( |
| const sp<SurfaceControl>& control, Parcel* parcel); |
| |
| sp<Surface> getSurface() const; |
| sp<IBinder> getHandle() const; |
| |
| status_t clearLayerFrameStats() const; |
| status_t getLayerFrameStats(FrameStats* outStats) const; |
| |
| private: |
| // can't be copied |
| SurfaceControl& operator = (SurfaceControl& rhs); |
| SurfaceControl(const SurfaceControl& rhs); |
| |
| friend class SurfaceComposerClient; |
| friend class Surface; |
| |
| SurfaceControl( |
| const sp<SurfaceComposerClient>& client, |
| const sp<IBinder>& handle, |
| const sp<IGraphicBufferProducer>& gbp); |
| |
| ~SurfaceControl(); |
| |
| status_t validate() const; |
| void destroy(); |
| |
| sp<SurfaceComposerClient> mClient; |
| sp<IBinder> mHandle; |
| sp<IGraphicBufferProducer> mGraphicBufferProducer; |
| mutable Mutex mLock; |
| mutable sp<Surface> mSurfaceData; |
| }; |
| |
| }; // namespace android |
| |
| #endif // ANDROID_GUI_SURFACE_CONTROL_H |