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/*
* Copyright © 2012 Intel Corporation
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Jackie Li <yaodong.li@intel.com>
*
*/
#ifndef __MULTIDISPLAY_OBSERVER_H
#define __MULTIDISPLAY_OBSERVER_H
#ifdef TARGET_HAS_MULTIPLE_DISPLAY
#include <display/MultiDisplayService.h>
#include <SimpleThread.h>
#else
#include <utils/Errors.h>
#endif
namespace android {
namespace intel {
struct VideoSourceInfo {
int width;
int height;
int frameRate;
};
#ifdef TARGET_HAS_MULTIPLE_DISPLAY
class MultiDisplayObserver;
class MultiDisplayCallback : public BnMultiDisplayCallback {
public:
MultiDisplayCallback(MultiDisplayObserver *observer);
virtual ~MultiDisplayCallback();
status_t blankSecondaryDisplay(bool blank);
status_t updateVideoState(int sessionId, MDS_VIDEO_STATE state);
status_t setHdmiTiming(const MDSHdmiTiming& timing);
status_t setHdmiScalingType(MDS_SCALING_TYPE type);
status_t setHdmiOverscan(int hValue, int vValue);
status_t updateInputState(bool state);
private:
MultiDisplayObserver *mDispObserver;
MDS_VIDEO_STATE mVideoState;
};
class MultiDisplayObserver {
public:
MultiDisplayObserver();
virtual ~MultiDisplayObserver();
public:
bool initialize();
void deinitialize();
status_t notifyHotPlug(bool connected);
status_t getVideoSourceInfo(int sessionID, VideoSourceInfo* info);
int getVideoSessionNumber();
bool isExternalDeviceTimingFixed() const;
status_t notifyWidiConnectionStatus(bool connected);
private:
bool isMDSRunning();
bool initMDSClient();
bool initMDSClientAsync();
void deinitMDSClient();
status_t blankSecondaryDisplay(bool blank);
status_t updateVideoState(int sessionId, MDS_VIDEO_STATE state);
status_t setHdmiTiming(const MDSHdmiTiming& timing);
status_t updateInputState(bool active);
friend class MultiDisplayCallback;
private:
enum {
THREAD_LOOP_DELAY = 10, // 10 ms
THREAD_LOOP_BOUND = 2000, // 20s
};
private:
sp<IMultiDisplayCallbackRegistrar> mMDSCbRegistrar;
sp<IMultiDisplayInfoProvider> mMDSInfoProvider;
sp<IMultiDisplayConnectionObserver> mMDSConnObserver;
sp<MultiDisplayCallback> mMDSCallback;
mutable Mutex mLock;
Condition mCondition;
int mThreadLoopCount;
bool mDeviceConnected;
// indicate external devices's timing is set
bool mExternalHdmiTiming;
bool mInitialized;
private:
DECLARE_THREAD(MDSClientInitThread, MultiDisplayObserver);
};
#else
// dummy declaration and implementation of MultiDisplayObserver
class MultiDisplayObserver {
public:
MultiDisplayObserver() {}
virtual ~MultiDisplayObserver() {}
bool initialize() { return true; }
void deinitialize() {}
status_t notifyHotPlug(bool connected) { return NO_ERROR; }
status_t getVideoSourceInfo(int sessionID, VideoSourceInfo* info) { return INVALID_OPERATION; }
int getVideoSessionNumber() { return 0; }
bool isExternalDeviceTimingFixed() const { return false; }
status_t notifyWidiConnectionStatus(bool connected) { return NO_ERROR; }
};
#endif //TARGET_HAS_MULTIPLE_DISPLAY
} // namespace intel
} // namespace android
#endif /* __MULTIMultiDisplayObserver_H_ */
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