gecko-dev/dom/camera/DOMCameraCapabilities.h

116 строки
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 mozilla_dom_CameraCapabilities_h__
#define mozilla_dom_CameraCapabilities_h__
#include "nsString.h"
#include "nsAutoPtr.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/CameraManagerBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsPIDOMWindow.h"
struct JSContext;
class nsPIDOMWindow;
namespace mozilla {
class ICameraControl;
class RecorderProfileManager;
namespace dom {
class CameraCapabilities MOZ_FINAL : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CameraCapabilities)
// Because this header's filename doesn't match its C++ or DOM-facing
// classname, we can't rely on the [Func="..."] WebIDL tag to implicitly
// include the right header for us; instead we must explicitly include a
// HasSupport() method in each header. We can get rid of these with the
// Great Renaming proposed in bug 983177.
static bool HasSupport(JSContext* aCx, JSObject* aGlobal);
CameraCapabilities(nsPIDOMWindow* aWindow);
// Populate the camera capabilities interface from the specific
// camera control object.
//
// Return values:
// - NS_OK on success;
// - NS_ERROR_INVALID_ARG if 'aCameraControl' is null.
nsresult Populate(ICameraControl* aCameraControl);
nsPIDOMWindow* GetParentObject() const { return mWindow; }
virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
void GetPreviewSizes(nsTArray<CameraSize>& aRetVal) const;
void GetPictureSizes(nsTArray<CameraSize>& aRetVal) const;
void GetThumbnailSizes(nsTArray<CameraSize>& aRetVal) const;
void GetVideoSizes(nsTArray<CameraSize>& aRetVal) const;
void GetFileFormats(nsTArray<nsString>& aRetVal) const;
void GetWhiteBalanceModes(nsTArray<nsString>& aRetVal) const;
void GetSceneModes(nsTArray<nsString>& aRetVal) const;
void GetEffects(nsTArray<nsString>& aRetVal) const;
void GetFlashModes(nsTArray<nsString>& aRetVal) const;
void GetFocusModes(nsTArray<nsString>& aRetVal) const;
void GetZoomRatios(nsTArray<double>& aRetVal) const;
uint32_t MaxFocusAreas() const;
uint32_t MaxMeteringAreas() const;
uint32_t MaxDetectedFaces() const;
double MinExposureCompensation() const;
double MaxExposureCompensation() const;
double ExposureCompensationStep() const;
JS::Value RecorderProfiles(JSContext* cx) const;
void GetIsoModes(nsTArray<nsString>& aRetVal) const;
protected:
~CameraCapabilities();
nsresult TranslateToDictionary(ICameraControl* aCameraControl,
uint32_t aKey, nsTArray<CameraSize>& aSizes);
nsTArray<CameraSize> mPreviewSizes;
nsTArray<CameraSize> mPictureSizes;
nsTArray<CameraSize> mThumbnailSizes;
nsTArray<CameraSize> mVideoSizes;
nsTArray<nsString> mFileFormats;
nsTArray<nsString> mWhiteBalanceModes;
nsTArray<nsString> mSceneModes;
nsTArray<nsString> mEffects;
nsTArray<nsString> mFlashModes;
nsTArray<nsString> mFocusModes;
nsTArray<nsString> mIsoModes;
nsTArray<double> mZoomRatios;
uint32_t mMaxFocusAreas;
uint32_t mMaxMeteringAreas;
uint32_t mMaxDetectedFaces;
double mMinExposureCompensation;
double mMaxExposureCompensation;
double mExposureCompensationStep;
nsRefPtr<RecorderProfileManager> mRecorderProfileManager;
JS::Heap<JS::Value> mRecorderProfiles;
nsRefPtr<nsPIDOMWindow> mWindow;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CameraCapabilities_h__