зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
3.7 KiB
C++
148 строки
3.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsDOMClassInfoID.h"
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#include "DOMCameraManager.h"
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#include "CameraControl.h"
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using namespace mozilla;
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/**
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* Fallback camera control subclass. Can be used as a template for the
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* definition of new camera support classes.
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*/
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class nsFallbackCameraControl : public nsCameraControl
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{
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public:
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nsFallbackCameraControl(uint32_t aCameraId, nsIThread* aCameraThread);
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const char* GetParameter(const char* aKey);
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const char* GetParameterConstChar(uint32_t aKey);
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double GetParameterDouble(uint32_t aKey);
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void GetParameter(uint32_t aKey, nsTArray<dom::CameraRegion>& aRegions);
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void SetParameter(const char* aKey, const char* aValue);
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void SetParameter(uint32_t aKey, const char* aValue);
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void SetParameter(uint32_t aKey, double aValue);
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void SetParameter(uint32_t aKey, const nsTArray<dom::CameraRegion>& aRegions);
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void PushParameters();
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protected:
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~nsFallbackCameraControl();
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nsresult GetPreviewStreamImpl(GetPreviewStreamTask* aGetPreviewStream);
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nsresult AutoFocusImpl(AutoFocusTask* aAutoFocus);
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nsresult TakePictureImpl(TakePictureTask* aTakePicture);
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nsresult StartRecordingImpl(StartRecordingTask* aStartRecording);
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nsresult StopRecordingImpl(StopRecordingTask* aStopRecording);
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nsresult PushParametersImpl(PushParametersTask* aPushParameters);
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nsresult PullParametersImpl(PullParametersTask* aPullParameters);
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private:
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nsFallbackCameraControl(const nsFallbackCameraControl&) MOZ_DELETE;
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nsFallbackCameraControl& operator=(const nsFallbackCameraControl&) MOZ_DELETE;
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};
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/**
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* Stub implemetations of the fallback camera control.
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*
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* None of these should ever get called--they exist to keep the linker happy,
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* and may be used as templates for new camera support classes.
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*/
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nsFallbackCameraControl::nsFallbackCameraControl(uint32_t aCameraId, nsIThread* aCameraThread)
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: nsCameraControl(aCameraId, aCameraThread)
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{ }
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nsFallbackCameraControl::~nsFallbackCameraControl()
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{ }
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const char*
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nsFallbackCameraControl::GetParameter(const char* aKey)
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{
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return nullptr;
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}
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const char*
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nsFallbackCameraControl::GetParameterConstChar(uint32_t aKey)
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{
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return nullptr;
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}
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double
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nsFallbackCameraControl::GetParameterDouble(uint32_t aKey)
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{
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return NAN;
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}
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void
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nsFallbackCameraControl::GetParameter(uint32_t aKey, nsTArray<dom::CameraRegion>& aRegions)
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{
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}
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void
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nsFallbackCameraControl::SetParameter(const char* aKey, const char* aValue)
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{
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}
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void
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nsFallbackCameraControl::SetParameter(uint32_t aKey, const char* aValue)
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{
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}
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void
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nsFallbackCameraControl::SetParameter(uint32_t aKey, double aValue)
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{
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}
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void
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nsFallbackCameraControl::SetParameter(uint32_t aKey, const nsTArray<dom::CameraRegion>& aRegions)
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{
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}
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void
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nsFallbackCameraControl::PushParameters()
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{
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}
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nsresult
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nsFallbackCameraControl::GetPreviewStreamImpl(GetPreviewStreamTask* aGetPreviewStream)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::AutoFocusImpl(AutoFocusTask* aAutoFocus)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::TakePictureImpl(TakePictureTask* aTakePicture)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::StartRecordingImpl(StartRecordingTask* aStartRecording)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::StopRecordingImpl(StopRecordingTask* aStopRecording)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::PushParametersImpl(PushParametersTask* aPushParameters)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsFallbackCameraControl::PullParametersImpl(PullParametersTask* aPullParameters)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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