/* // Copyright (c) 2014 Intel Corporation // // 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 DISPLAY_ANALYZER_H #define DISPLAY_ANALYZER_H #include <utils/threads.h> #include <utils/Vector.h> namespace android { namespace intel { class DisplayAnalyzer { public: DisplayAnalyzer(); virtual ~DisplayAnalyzer(); public: bool initialize(); void deinitialize(); void analyzeContents(size_t numDisplays, hwc_display_contents_1_t** displays); void postHotplugEvent(bool connected); private: enum DisplayEventType { HOTPLUG_EVENT, }; struct Event { int type; union { bool bValue; int nValue; }; }; inline void postEvent(Event& e); inline bool getEvent(Event& e); void handlePendingEvents(); void handleHotplugEvent(bool connected); inline void setCompositionType(hwc_display_contents_1_t *content, int type); inline void setCompositionType(int device, int type, bool reset); private: bool mInitialized; int mCachedNumDisplays; hwc_display_contents_1_t** mCachedDisplays; Vector<Event> mPendingEvents; Mutex mEventMutex; }; } // namespace intel } // namespace android #endif /* DISPLAY_ANALYZER_H */