gecko-dev/dom/camera/FallbackCameraControl.cpp

76 lines
3.7 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "CameraControlImpl.h"
using namespace mozilla;
using namespace mozilla::dom;
namespace mozilla {
class RecorderProfileManager;
namespace layers {
class GraphicBufferLocked;
}
}
/**
* Fallback camera control subclass. Can be used as a template for the
* definition of new camera support classes.
*/
class FallbackCameraControl : public CameraControlImpl
{
public:
FallbackCameraControl(uint32_t aCameraId) : CameraControlImpl(aCameraId) { }
void OnAutoFocusComplete(bool aSuccess);
void OnTakePictureComplete(uint8_t* aData, uint32_t aLength) { }
void OnTakePictureError() { }
void OnNewPreviewFrame(layers::GraphicBufferLocked* aBuffer) { }
void OnRecorderEvent(int msg, int ext1, int ext2) { }
void OnError(CameraControlListener::CameraErrorContext aWhere,
CameraControlListener::CameraError aError) { }
virtual nsresult Set(uint32_t aKey, const nsAString& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, nsAString& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Set(uint32_t aKey, double aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, double& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Set(uint32_t aKey, int32_t aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, int32_t& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Set(uint32_t aKey, int64_t aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, int64_t& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Set(uint32_t aKey, const Size& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, Size& aValue) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Set(uint32_t aKey, const nsTArray<Region>& aRegions) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, nsTArray<Region>& aRegions) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult SetLocation(const Position& aLocation) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, nsTArray<Size>& aSizes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, nsTArray<nsString>& aValues) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
virtual nsresult Get(uint32_t aKey, nsTArray<double>& aValues) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
nsresult PushParameters() { return NS_ERROR_FAILURE; }
nsresult PullParameters() { return NS_ERROR_FAILURE; }
protected:
~FallbackCameraControl();
virtual nsresult StartPreviewImpl() { return NS_ERROR_FAILURE; }
virtual nsresult StopPreviewImpl() { return NS_ERROR_FAILURE; }
virtual nsresult AutoFocusImpl(bool aCancelExistingCall) { return NS_ERROR_FAILURE; }
virtual nsresult TakePictureImpl() { return NS_ERROR_FAILURE; }
virtual nsresult StartRecordingImpl(DeviceStorageFileDescriptor* aFileDescriptor,
const StartRecordingOptions* aOptions = nullptr)
{ return NS_ERROR_FAILURE; }
virtual nsresult StopRecordingImpl() { return NS_ERROR_FAILURE; }
virtual nsresult PushParametersImpl() { return NS_ERROR_FAILURE; }
virtual nsresult PullParametersImpl() { return NS_ERROR_FAILURE; }
virtual already_AddRefed<RecorderProfileManager> GetRecorderProfileManagerImpl() { return nullptr; }
private:
FallbackCameraControl(const FallbackCameraControl&) MOZ_DELETE;
FallbackCameraControl& operator=(const FallbackCameraControl&) MOZ_DELETE;
};