Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#ifndef mozilla_dom_HTMLVideoElement_h
#define mozilla_dom_HTMLVideoElement_h
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/HTMLMediaElement.h"
#include "mozilla/StaticPrefs_media.h"
#include "Units.h"
namespace mozilla {
class FrameStatistics;
namespace dom {
class WakeLock;
class VideoPlaybackQuality;
class HTMLVideoElement final : public HTMLMediaElement {
class SecondaryVideoOutput;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLVideoElement, HTMLMediaElement)
typedef mozilla::dom::NodeInfo NodeInfo;
explicit HTMLVideoElement(already_AddRefed<NodeInfo>&& aNodeInfo);
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLVideoElement, video)
using HTMLMediaElement::GetPaused;
void Invalidate(ImageSizeChanged aImageSizeChanged,
const Maybe<nsIntSize>& aNewIntrinsicSize,
ForceInvalidate aForceInvalidate) override;
virtual bool IsVideo() const override { return true; }
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
nsresult Clone(NodeInfo*, nsINode** aResult) const override;
void UnbindFromTree(UnbindContext&) override;
mozilla::Maybe<mozilla::CSSIntSize> GetVideoSize() const;
void UpdateMediaSize(const nsIntSize& aSize) override;
nsresult SetAcceptHeader(nsIHttpChannel* aChannel) override;
// Element
bool IsInteractiveHTMLContent() const override;
// WebIDL
uint32_t Width() const {
return GetDimensionAttrAsUnsignedInt(nsGkAtoms::width, 0);
}
void SetWidth(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::width, aValue, 0, aRv);
}
uint32_t Height() const {
return GetDimensionAttrAsUnsignedInt(nsGkAtoms::height, 0);
}
void SetHeight(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::height, aValue, 0, aRv);
}
uint32_t VideoWidth();
uint32_t VideoHeight();
VideoRotation RotationDegrees() const { return mMediaInfo.mVideo.mRotation; }
bool HasAlpha() const { return mMediaInfo.mVideo.HasAlpha(); }
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();
uint32_t MozPaintedFrames();
double MozFrameDelay();
bool MozHasAudio() const;
already_AddRefed<VideoPlaybackQuality> GetVideoPlaybackQuality();
already_AddRefed<Promise> CloneElementVisually(HTMLVideoElement& aTarget,
ErrorResult& rv);
void StopCloningElementVisually();
bool IsCloningElementVisually() const { return !!mVisualCloneTarget; }
void OnSecondaryVideoContainerInstalled(
const RefPtr<VideoFrameContainer>& aSecondaryContainer) override;
void OnSecondaryVideoOutputFirstFrameRendered();
void OnVisibilityChange(Visibility aNewVisibility) override;
bool DisablePictureInPicture() const {
return GetBoolAttr(nsGkAtoms::disablepictureinpicture);
}
void SetDisablePictureInPicture(bool aValue, ErrorResult& aError) {
SetHTMLBoolAttr(nsGkAtoms::disablepictureinpicture, aValue, aError);
}
protected:
virtual ~HTMLVideoElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
/**
* We create video wakelock when the video is playing and release it when
* video pauses. Note, the actual platform wakelock will automatically be
* released when the page is in the background, so we don't need to check the
* video's visibility by ourselves.
*/
void WakeLockRelease() override;
void UpdateWakeLock() override;
bool ShouldCreateVideoWakeLock() const;
void CreateVideoWakeLockIfNeeded();
void ReleaseVideoWakeLockIfExists();
gfx::IntSize GetVideoIntrinsicDimensions();
RefPtr<WakeLock> mScreenWakeLock;
WatchManager<HTMLVideoElement> mVideoWatchManager;
private:
bool SetVisualCloneTarget(
RefPtr<HTMLVideoElement> aVisualCloneTarget,
RefPtr<Promise> aVisualCloneTargetPromise = nullptr);
bool SetVisualCloneSource(RefPtr<HTMLVideoElement> aVisualCloneSource);
// For video elements, we can clone the frames being played to
// a secondary video element. If we're doing that, we hold a
// reference to the video element we're cloning to in
// mVisualCloneSource.
//
// Please don't set this to non-nullptr values directly - use
// SetVisualCloneTarget() instead.
RefPtr<HTMLVideoElement> mVisualCloneTarget;
// Set when mVisualCloneTarget is set, and resolved (and unset) when the
// secondary container has been applied to the underlying resource.
RefPtr<Promise> mVisualCloneTargetPromise;
// Set when beginning to clone visually and we are playing a MediaStream.
// This is the output wrapping the VideoFrameContainer of mVisualCloneTarget,
// so we can render its first frame, and resolve mVisualCloneTargetPromise as
// we do.
RefPtr<FirstFrameVideoOutput> mSecondaryVideoOutput;
// If this video is the clone target of another video element,
// then mVisualCloneSource points to that originating video
// element.
//
// Please don't set this to non-nullptr values directly - use
// SetVisualCloneTarget() instead.
RefPtr<HTMLVideoElement> mVisualCloneSource;
static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
static bool IsVideoStatsEnabled();
double TotalPlayTime() const;
virtual void MaybeBeginCloningVisually() override;
void EndCloningVisually();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLVideoElement_h