gecko/dom/camera/DOMCameraControl.h

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/* 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/. */
#ifndef DOM_CAMERA_DOMCAMERACONTROL_H
#define DOM_CAMERA_DOMCAMERACONTROL_H
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIDOMEventListener.h"
#include "DictionaryHelpers.h"
#include "ICameraControl.h"
#include "DOMCameraPreview.h"
#include "nsIDOMCameraManager.h"
#include "CameraCommon.h"
#include "AudioChannelAgent.h"
#include "nsProxyRelease.h"
#include "nsHashPropertyBag.h"
#include "DeviceStorage.h"
class nsDOMDeviceStorage;
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class CameraPictureOptions;
template<typename T> class Optional;
}
class ErrorResult;
// Main camera control.
class nsDOMCameraControl MOZ_FINAL : public nsIDOMEventListener,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMCameraControl)
nsDOMCameraControl(uint32_t aCameraId, nsIThread* aCameraThread,
nsICameraGetCameraCallback* onSuccess,
nsICameraErrorCallback* onError, nsPIDOMWindow* aWindow);
nsresult Result(nsresult aResult,
const nsMainThreadPtrHandle<nsICameraGetCameraCallback>& onSuccess,
const nsMainThreadPtrHandle<nsICameraErrorCallback>& onError,
uint64_t aWindowId);
nsRefPtr<ICameraControl> GetNativeCameraControl();
void Shutdown();
nsPIDOMWindow* GetParentObject() const { return mWindow; }
// WebIDL
nsICameraCapabilities* Capabilities();
void GetEffect(nsString& aEffect, ErrorResult& aRv);
void SetEffect(const nsAString& aEffect, ErrorResult& aRv);
void GetWhiteBalanceMode(nsString& aMode, ErrorResult& aRv);
void SetWhiteBalanceMode(const nsAString& aMode, ErrorResult& aRv);
void GetSceneMode(nsString& aMode, ErrorResult& aRv);
void SetSceneMode(const nsAString& aMode, ErrorResult& aRv);
void GetFlashMode(nsString& aMode, ErrorResult& aRv);
void SetFlashMode(const nsAString& aMode, ErrorResult& aRv);
void GetFocusMode(nsString& aMode, ErrorResult& aRv);
void SetFocusMode(const nsAString& aMode, ErrorResult& aRv);
double GetZoom(ErrorResult& aRv);
void SetZoom(double aZoom, ErrorResult& aRv);
JS::Value GetMeteringAreas(JSContext* aCx, ErrorResult& aRv);
void SetMeteringAreas(JSContext* aCx, JS::Handle<JS::Value> aAreas, ErrorResult& aRv);
JS::Value GetFocusAreas(JSContext* aCx, ErrorResult& aRv);
void SetFocusAreas(JSContext* aCx, JS::Handle<JS::Value> aAreas, ErrorResult& aRv);
JS::Value GetPictureSize(JSContext* aCx, ErrorResult& aRv);
void SetPictureSize(JSContext* aCx, JS::Handle<JS::Value> aSize, ErrorResult& aRv);
JS::Value GetThumbnailSize(JSContext* aCx, ErrorResult& aRv);
void SetThumbnailSize(JSContext* aCx, JS::Handle<JS::Value> aSize, ErrorResult& aRv);
double GetFocalLength(ErrorResult& aRv);
double GetFocusDistanceNear(ErrorResult& aRv);
double GetFocusDistanceOptimum(ErrorResult& aRv);
double GetFocusDistanceFar(ErrorResult& aRv);
void SetExposureCompensation(const dom::Optional<double>& aCompensation, ErrorResult& aRv);
double GetExposureCompensation(ErrorResult& aRv);
int32_t SensorAngle();
already_AddRefed<nsICameraShutterCallback> GetOnShutter(ErrorResult& aRv);
void SetOnShutter(nsICameraShutterCallback* aCb, ErrorResult& aRv);
already_AddRefed<nsICameraClosedCallback> GetOnClosed(ErrorResult& aRv);
void SetOnClosed(nsICameraClosedCallback* aCb, ErrorResult& aRv);
already_AddRefed<nsICameraRecorderStateChange> GetOnRecorderStateChange(ErrorResult& aRv);
void SetOnRecorderStateChange(nsICameraRecorderStateChange* aCb, ErrorResult& aRv);
void AutoFocus(nsICameraAutoFocusCallback* aOnSuccess, const dom::Optional<nsICameraErrorCallback*>& aOnErro, ErrorResult& aRvr);
void TakePicture(JSContext* aCx, const dom::CameraPictureOptions& aOptions,
nsICameraTakePictureCallback* onSuccess,
const dom::Optional<nsICameraErrorCallback* >& onError,
ErrorResult& aRv);
already_AddRefed<nsICameraPreviewStateChange> GetOnPreviewStateChange() const;
void SetOnPreviewStateChange(nsICameraPreviewStateChange* aOnStateChange);
void GetPreviewStreamVideoMode(JSContext* cx, JS::Handle<JS::Value> aOptions, nsICameraPreviewStreamCallback* onSuccess, const dom::Optional<nsICameraErrorCallback* >& onError, ErrorResult& aRv);
void StartRecording(JSContext* cx, JS::Handle<JS::Value> aOptions, nsDOMDeviceStorage& storageArea, const nsAString& filename, nsICameraStartRecordingCallback* onSuccess, const dom::Optional<nsICameraErrorCallback* >& onError, ErrorResult& aRv);
void StopRecording(ErrorResult& aRv);
void GetPreviewStream(JSContext* cx, JS::Handle<JS::Value> aOptions, nsICameraPreviewStreamCallback* onSuccess, const dom::Optional<nsICameraErrorCallback* >& onError, ErrorResult& aRv);
void ResumePreview(ErrorResult& aRv);
void ReleaseHardware(const dom::Optional<nsICameraReleaseCallback* >& onSuccess, const dom::Optional<nsICameraErrorCallback* >& onError, ErrorResult& aRv);
protected:
virtual ~nsDOMCameraControl();
private:
nsDOMCameraControl(const nsDOMCameraControl&) MOZ_DELETE;
nsDOMCameraControl& operator=(const nsDOMCameraControl&) MOZ_DELETE;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
nsresult NotifyRecordingStatusChange(const nsString& aMsg);
mozilla::idl::CameraStartRecordingOptions mOptions;
nsRefPtr<DeviceStorageFileDescriptor> mDSFileDescriptor;
nsCOMPtr<nsICameraStartRecordingCallback> mOnSuccessCb;
nsCOMPtr<nsICameraErrorCallback> mOnErrorCb;
protected:
/* additional members */
nsRefPtr<ICameraControl> mCameraControl; // non-DOM camera control
nsCOMPtr<nsICameraCapabilities> mDOMCapabilities;
// An agent used to join audio channel service.
nsCOMPtr<nsIAudioChannelAgent> mAudioChannelAgent;
nsCOMPtr<nsPIDOMWindow> mWindow;
};
} // namespace mozilla
#endif // DOM_CAMERA_DOMCAMERACONTROL_H