gecko/dom/camera/DOMCameraCapabilities.h
2015-03-27 18:52:19 +00:00

246 lines
7.8 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 "base/basictypes.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/CameraManagerBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsPIDOMWindow.h"
#include "nsHashKeys.h"
#include "nsRefPtrHashtable.h"
#include "nsDataHashtable.h"
#include "ICameraControl.h"
struct JSContext;
namespace mozilla {
namespace dom {
/**
* CameraRecorderVideoProfile
*/
class CameraRecorderVideoProfile final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CameraRecorderVideoProfile)
explicit CameraRecorderVideoProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile::Video& aProfile);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
uint32_t BitsPerSecond() const { return mBitrate; }
uint32_t FramesPerSecond() const { return mFramerate; }
void GetCodec(nsAString& aCodec) const { aCodec = mCodec; }
void GetSize(dom::CameraSize& aSize) const { aSize = mSize; }
// XXXmikeh - legacy, remove these when the Camera app is updated
uint32_t Width() const { return mSize.mWidth; }
uint32_t Height() const { return mSize.mHeight; }
protected:
virtual ~CameraRecorderVideoProfile();
nsCOMPtr<nsISupports> mParent;
const nsString mCodec;
uint32_t mBitrate;
uint32_t mFramerate;
dom::CameraSize mSize;
private:
DISALLOW_EVIL_CONSTRUCTORS(CameraRecorderVideoProfile);
};
/**
* CameraRecorderAudioProfile
*/
class CameraRecorderAudioProfile final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CameraRecorderAudioProfile)
explicit CameraRecorderAudioProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile::Audio& aProfile);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
uint32_t BitsPerSecond() const { return mBitrate; }
uint32_t SamplesPerSecond() const { return mSamplerate; }
uint32_t Channels() const { return mChannels; }
void GetCodec(nsAString& aCodec) const { aCodec = mCodec; }
protected:
virtual ~CameraRecorderAudioProfile();
nsCOMPtr<nsISupports> mParent;
const nsString mCodec;
uint32_t mBitrate;
uint32_t mSamplerate;
uint32_t mChannels;
private:
DISALLOW_EVIL_CONSTRUCTORS(CameraRecorderAudioProfile);
};
/**
* CameraRecorderProfile
*/
class CameraRecorderProfile final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CameraRecorderProfile)
explicit CameraRecorderProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile& aProfile);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
void GetMimeType(nsAString& aMimeType) const { aMimeType = mMimeType; }
CameraRecorderVideoProfile* Video() { return mVideo; }
CameraRecorderAudioProfile* Audio() { return mAudio; }
void GetName(nsAString& aName) const { aName = mName; }
void
GetContainerFormat(nsAString& aContainerFormat) const
{
aContainerFormat = mContainerFormat;
}
protected:
virtual ~CameraRecorderProfile();
nsCOMPtr<nsISupports> mParent;
const nsString mName;
const nsString mContainerFormat;
const nsString mMimeType;
nsRefPtr<CameraRecorderVideoProfile> mVideo;
nsRefPtr<CameraRecorderAudioProfile> mAudio;
private:
DISALLOW_EVIL_CONSTRUCTORS(CameraRecorderProfile);
};
/**
* CameraRecorderProfiles
*/
template<class T> class CameraClosedListenerProxy;
class CameraRecorderProfiles final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CameraRecorderProfiles)
explicit CameraRecorderProfiles(nsISupports* aParent,
ICameraControl* aCameraControl);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
CameraRecorderProfile* NamedGetter(const nsAString& aName, bool& aFound);
bool NameIsEnumerable(const nsAString& aName);
void GetSupportedNames(unsigned aFlags, nsTArray<nsString>& aNames);
virtual void OnHardwareClosed();
protected:
virtual ~CameraRecorderProfiles();
nsCOMPtr<nsISupports> mParent;
nsRefPtr<ICameraControl> mCameraControl;
nsRefPtrHashtable<nsStringHashKey, CameraRecorderProfile> mProfiles;
nsRefPtr<CameraClosedListenerProxy<CameraRecorderProfiles>> mListener;
private:
DISALLOW_EVIL_CONSTRUCTORS(CameraRecorderProfiles);
};
/**
* CameraCapabilities
*/
class CameraCapabilities 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);
explicit CameraCapabilities(nsPIDOMWindow* aWindow,
ICameraControl* aCameraControl);
nsPIDOMWindow* GetParentObject() const { return mWindow; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
void GetPreviewSizes(nsTArray<CameraSize>& aRetVal);
void GetPictureSizes(nsTArray<CameraSize>& aRetVal);
void GetThumbnailSizes(nsTArray<CameraSize>& aRetVal);
void GetVideoSizes(nsTArray<CameraSize>& aRetVal);
void GetFileFormats(nsTArray<nsString>& aRetVal);
void GetWhiteBalanceModes(nsTArray<nsString>& aRetVal);
void GetSceneModes(nsTArray<nsString>& aRetVal);
void GetEffects(nsTArray<nsString>& aRetVal);
void GetFlashModes(nsTArray<nsString>& aRetVal);
void GetFocusModes(nsTArray<nsString>& aRetVal);
void GetZoomRatios(nsTArray<double>& aRetVal);
uint32_t MaxFocusAreas();
uint32_t MaxMeteringAreas();
uint32_t MaxDetectedFaces();
double MinExposureCompensation();
double MaxExposureCompensation();
double ExposureCompensationStep();
void GetIsoModes(nsTArray<nsString>& aRetVal);
void GetMeteringModes(nsTArray<nsString>& aRetVal);
CameraRecorderProfiles* RecorderProfiles();
virtual void OnHardwareClosed();
protected:
~CameraCapabilities();
nsresult TranslateToDictionary(uint32_t aKey, nsTArray<CameraSize>& aSizes);
nsRefPtr<nsPIDOMWindow> mWindow;
nsRefPtr<ICameraControl> mCameraControl;
nsRefPtr<CameraClosedListenerProxy<CameraCapabilities>> mListener;
private:
DISALLOW_EVIL_CONSTRUCTORS(CameraCapabilities);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CameraCapabilities_h__