gecko-dev/dom/html/HTMLVideoElement.h

159 строки
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_HTMLVideoElement_h
#define mozilla_dom_HTMLVideoElement_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/HTMLMediaElement.h"
namespace mozilla {
namespace dom {
class WakeLock;
class VideoPlaybackQuality;
class HTMLVideoElement final : public HTMLMediaElement
{
public:
typedef mozilla::dom::NodeInfo NodeInfo;
explicit HTMLVideoElement(already_AddRefed<NodeInfo>& aNodeInfo);
NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLVideoElement, video)
using HTMLMediaElement::GetPaused;
NS_IMETHOD_(bool) IsVideo() override {
return true;
}
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult) override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
static void Init();
virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
virtual nsresult Clone(NodeInfo *aNodeInfo, nsINode **aResult) const override;
// Set size with the current video frame's height and width.
// If there is no video frame, returns NS_ERROR_FAILURE.
nsresult GetVideoSize(nsIntSize* size);
virtual nsresult SetAcceptHeader(nsIHttpChannel* aChannel) override;
// Element
virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
// WebIDL
uint32_t Width() const
{
return GetIntAttr(nsGkAtoms::width, 0);
}
void SetWidth(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::width, aValue, 0, aRv);
}
uint32_t Height() const
{
return GetIntAttr(nsGkAtoms::height, 0);
}
void SetHeight(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::height, aValue, 0, aRv);
}
uint32_t VideoWidth() const
{
if (mMediaInfo.HasVideo()) {
if (mMediaInfo.mVideo.mRotation == VideoInfo::Rotation::kDegree_90 ||
mMediaInfo.mVideo.mRotation == VideoInfo::Rotation::kDegree_270) {
return mMediaInfo.mVideo.mDisplay.height;
}
return mMediaInfo.mVideo.mDisplay.width;
}
return 0;
}
uint32_t VideoHeight() const
{
if (mMediaInfo.HasVideo()) {
if (mMediaInfo.mVideo.mRotation == VideoInfo::Rotation::kDegree_90 ||
mMediaInfo.mVideo.mRotation == VideoInfo::Rotation::kDegree_270) {
return mMediaInfo.mVideo.mDisplay.width;
}
return mMediaInfo.mVideo.mDisplay.height;
}
return 0;
}
VideoInfo::Rotation RotationDegrees() const
{
return mMediaInfo.mVideo.mRotation;
}
void GetPoster(nsAString& aValue)
{
GetURIAttr(nsGkAtoms::poster, nullptr, aValue);
}
void SetPoster(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::poster, aValue, aRv);
}
uint32_t MozParsedFrames() const;
uint32_t MozDecodedFrames() const;
uint32_t MozPresentedFrames() const;
uint32_t MozPaintedFrames();
double MozFrameDelay();
bool MozHasAudio() const;
bool MozUseScreenWakeLock() const;
void SetMozUseScreenWakeLock(bool aValue);
void NotifyOwnerDocumentActivityChanged() override;
// Gives access to the decoder's frame statistics, if present.
FrameStatistics* GetFrameStatistics();
already_AddRefed<VideoPlaybackQuality> GetVideoPlaybackQuality();
protected:
virtual ~HTMLVideoElement();
virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual void WakeLockCreate() override;
virtual void WakeLockRelease() override;
void UpdateScreenWakeLock();
bool mUseScreenWakeLock;
RefPtr<WakeLock> mScreenWakeLock;
private:
static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
GenericSpecifiedValues* aGenericData);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLVideoElement_h