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/*
* Copyright (C) 2007-2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(VIDEO)
#include "HTMLMediaElement.h"
#include "Supplementable.h"
#include "VideoFrameRequestCallback.h"
#include <memory>
namespace WebCore {
class DestinationColorSpace;
class HTMLImageLoader;
class ImageBuffer;
class RenderVideo;
class PictureInPictureObserver;
class VideoFrameRequestCallback;
enum class ImageBufferPixelFormat : uint8_t;
enum class RenderingMode : uint8_t;
class HTMLVideoElement final : public HTMLMediaElement, public Supplementable<HTMLVideoElement> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(HTMLVideoElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(HTMLVideoElement);
public:
WEBCORE_EXPORT static Ref<HTMLVideoElement> create(Document&);
static Ref<HTMLVideoElement> create(const QualifiedName&, Document&, bool createdByParser);
~HTMLVideoElement();
WEBCORE_EXPORT unsigned videoWidth() const;
WEBCORE_EXPORT unsigned videoHeight() const;
WEBCORE_EXPORT ExceptionOr<void> webkitEnterFullscreen();
WEBCORE_EXPORT void webkitExitFullscreen();
WEBCORE_EXPORT bool webkitSupportsFullscreen();
WEBCORE_EXPORT bool webkitDisplayingFullscreen();
WEBCORE_EXPORT ExceptionOr<void> enterFullscreenIgnoringPermissionsPolicy();
void ancestorWillEnterFullscreen() final;
#if ENABLE(WIRELESS_PLAYBACK_TARGET)
bool webkitWirelessVideoPlaybackDisabled() const;
void setWebkitWirelessVideoPlaybackDisabled(bool);
#endif
#if ENABLE(MEDIA_STATISTICS)
unsigned webkitDecodedFrameCount() const;
unsigned webkitDroppedFrameCount() const;
#endif
#if ENABLE(FULLSCREEN_API) && PLATFORM(IOS_FAMILY)
void requestFullscreen(FullscreenOptions&&, RefPtr<DeferredPromise>&&) override;
#endif
RefPtr<ImageBuffer> createBufferForPainting(const FloatSize&, RenderingMode, const DestinationColorSpace&, ImageBufferPixelFormat) const;
// Used by render painting. Best effort, only paint if we already have an image generator or video output available.
void paint(GraphicsContext&, const FloatRect&);
// Used by canvas to gain raw pixel access
void paintCurrentFrameInContext(GraphicsContext&, const FloatRect&);
bool shouldGetNativeImageForCanvasDrawing() const;
WEBCORE_EXPORT RefPtr<NativeImage> nativeImageForCurrentTime();
std::optional<DestinationColorSpace> colorSpace() const;
WEBCORE_EXPORT bool shouldDisplayPosterImage() const;
URL posterImageURL() const;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
bool isReplaced(const RenderStyle&) const final { return true; }
#if ENABLE(VIDEO_PRESENTATION_MODE)
enum class VideoPresentationMode { Inline, Fullscreen, PictureInPicture, InWindow };
static VideoPresentationMode toPresentationMode(HTMLMediaElementEnums::VideoFullscreenMode);
WEBCORE_EXPORT bool webkitSupportsPresentationMode(VideoPresentationMode) const;
VideoPresentationMode webkitPresentationMode() const;
VideoPresentationMode webkitPresentationModeForBindings() const;
void webkitSetPresentationMode(VideoPresentationMode);
WEBCORE_EXPORT void setPresentationMode(VideoPresentationMode);
WEBCORE_EXPORT void didEnterFullscreenOrPictureInPicture(const FloatSize&);
WEBCORE_EXPORT void didExitFullscreenOrPictureInPicture();
WEBCORE_EXPORT bool isChangingPresentationMode() const;
WEBCORE_EXPORT void setPresentationModeIgnoringPermissionsPolicy(VideoPresentationMode);
void setVideoFullscreenFrame(const FloatRect&) final;
#if ENABLE(PICTURE_IN_PICTURE_API)
void setPictureInPictureObserver(PictureInPictureObserver*);
#endif
#endif
#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
void exitToFullscreenModeWithoutAnimationIfPossible(HTMLMediaElementEnums::VideoFullscreenMode fromMode, HTMLMediaElementEnums::VideoFullscreenMode toMode);
#endif
RenderVideo* renderer() const;
void acceleratedRenderingStateChanged();
bool supportsAcceleratedRendering() const;
bool shouldServiceRequestVideoFrameCallbacks() const { return !m_videoFrameRequests.isEmpty(); }
void serviceRequestVideoFrameCallbacks(ReducedResolutionSeconds);
unsigned requestVideoFrameCallback(Ref<VideoFrameRequestCallback>&&);
void cancelVideoFrameCallback(unsigned);
WEBCORE_EXPORT void setVideoFullscreenStandby(bool);
#if USE(GSTREAMER)
void enableGStreamerHolePunching() { m_enableGStreamerHolePunching = true; }
bool isGStreamerHolePunchingEnabled() const final { return m_enableGStreamerHolePunching; }
#endif
// ActiveDOMObject
void stop() final;
private:
HTMLVideoElement(const QualifiedName&, Document&, bool createdByParser);
void scheduleResizeEvent(const FloatSize&) final;
void scheduleResizeEventIfSizeChanged(const FloatSize&) final;
bool rendererIsNeeded(const RenderStyle&) final;
void didAttachRenderers() final;
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
bool hasPresentationalHintsForAttribute(const QualifiedName&) const final;
void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) final;
bool isVideo() const final { return true; }
bool hasVideo() const final { return player() && protectedPlayer()->hasVideo(); }
bool supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenMode) const final;
bool isURLAttribute(const Attribute&) const final;
const AtomString& imageSourceURL() const final;
void didMoveToNewDocument(Document& oldDocument, Document& newDocument) final;
bool hasAvailableVideoFrame() const;
void mediaPlayerFirstVideoFrameAvailable() final;
PlatformMediaSession::MediaType presentationType() const final { return PlatformMediaSession::MediaType::Video; }
bool mediaPlayerRenderingCanBeAccelerated() final { return m_renderingCanBeAccelerated; }
void mediaPlayerRenderingModeChanged() final;
void mediaPlayerEngineUpdated() final;
void computeAcceleratedRenderingStateAndUpdateMediaPlayer() final;
#if PLATFORM(IOS_FAMILY)
bool canShowWhileLocked() const final;
#endif
std::unique_ptr<HTMLImageLoader> m_imageLoader;
AtomString m_defaultPosterURL;
FloatSize m_lastReportedNaturalSize { };
bool m_renderingCanBeAccelerated { false };
#if ENABLE(VIDEO_PRESENTATION_MODE)
bool m_enteringPictureInPicture { false };
bool m_exitingPictureInPicture { false };
#endif
#if ENABLE(PICTURE_IN_PICTURE_API)
WeakPtr<PictureInPictureObserver> m_pictureInPictureObserver;
#endif
struct VideoFrameRequest {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
VideoFrameRequest(unsigned identifier, Ref<VideoFrameRequestCallback>&& callback)
: identifier(identifier)
, callback(WTFMove(callback))
{
}
unsigned identifier { 0 };
RefPtr<VideoFrameRequestCallback> callback;
};
Vector<UniqueRef<VideoFrameRequest>> m_videoFrameRequests;
Vector<UniqueRef<VideoFrameRequest>> m_servicedVideoFrameRequests;
unsigned m_nextVideoFrameRequestIndex { 0 };
#if USE(GSTREAMER)
bool m_enableGStreamerHolePunching { false };
#endif
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLVideoElement)
static bool isType(const WebCore::HTMLElement& element) { return element.hasTagName(WebCore::HTMLNames::videoTag); }
static bool isType(const WebCore::Node& node)
{
auto* element = dynamicDowncast<WebCore::HTMLElement>(node);
return element && isType(*element);
}
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(VIDEO)
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