81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
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*
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* Not a Contribution, Apache license notifications and license are
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* retained for attribution purposes only.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HWC_EXT_OBSERVER_H
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#define HWC_EXT_OBSERVER_H
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#include <utils/threads.h>
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struct hwc_context_t;
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namespace qhwc {
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class ExtDisplayObserver : public android::Thread
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{
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//Type of external display - OFF, HDMI, WFD
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enum external_display_type {
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EXT_TYPE_NONE,
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EXT_TYPE_HDMI,
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EXT_TYPE_WIFI
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};
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// Mirroring state
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enum external_mirroring_state {
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EXT_MIRRORING_OFF,
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EXT_MIRRORING_ON,
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};
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public:
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/*Overrides*/
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virtual bool threadLoop();
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virtual int readyToRun();
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virtual void onFirstRef();
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virtual ~ExtDisplayObserver();
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static ExtDisplayObserver *getInstance();
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int getExternalDisplay() const;
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void setHwcContext(hwc_context_t* hwcCtx);
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private:
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ExtDisplayObserver();
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void setExternalDisplayStatus(int connected);
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bool readResolution();
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int parseResolution(char* edidStr, int* edidModes, int len);
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void setResolution(int ID);
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bool openFramebuffer();
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bool writeHPDOption(int userOption) const;
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bool isValidMode(int ID);
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void handleUEvent(char* str);
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int getModeOrder(int mode);
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int getBestMode();
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int fd;
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int mExternalDisplay;
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int mCurrentID;
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char mEDIDs[128];
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int mEDIDModes[64];
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int mModeCount;
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hwc_context_t *mHwcContext;
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static android::sp<ExtDisplayObserver> sExtDisplayObserverInstance;
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};
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}; //qhwc
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// ---------------------------------------------------------------------------
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#endif //HWC_EXT_OBSERVER_H
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