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104 lines
4.3 KiB
C++
104 lines
4.3 KiB
C++
/*
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* Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef HTMLVideoElement_h
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#define HTMLVideoElement_h
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#include "core/html/HTMLMediaElement.h"
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#include "core/html/canvas/CanvasImageSource.h"
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#include "platform/graphics/GraphicsTypes3D.h"
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namespace blink {
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class WebGraphicsContext3D;
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}
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namespace blink {
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class ExceptionState;
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class HTMLImageLoader;
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class GraphicsContext;
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// GL types as defined in OpenGL ES 2.0 header file gl2.h from khronos.org.
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// That header cannot be included directly due to a conflict with NPAPI headers.
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// See crbug.com/328085.
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typedef unsigned GLenum;
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typedef int GC3Dint;
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class HTMLVideoElement final : public HTMLMediaElement, public CanvasImageSource {
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DEFINE_WRAPPERTYPEINFO();
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public:
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static PassRefPtrWillBeRawPtr<HTMLVideoElement> create(Document&);
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virtual void trace(Visitor*) override;
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unsigned videoWidth() const;
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unsigned videoHeight() const;
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// Used by canvas to gain raw pixel access
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void paintCurrentFrameInContext(GraphicsContext*, const IntRect&) const;
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// Used by WebGL to do GPU-GPU textures copy if possible.
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// See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in engine/WebCore/platform/graphics/MediaPlayer.h.
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bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, Platform3DObject texture, GC3Dint level, GLenum internalFormat, GLenum type, bool premultiplyAlpha, bool flipY);
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bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
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KURL posterImageURL() const;
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// FIXME: Remove this when WebMediaPlayerClientImpl::loadInternal does not depend on it.
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virtual KURL mediaPlayerPosterURL() override;
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// CanvasImageSource implementation
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virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceImageStatus*) const override;
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virtual bool isVideoElement() const override { return true; }
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virtual FloatSize sourceSize() const override;
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virtual const KURL& sourceURL() const override { return currentSrc(); }
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virtual bool isHTMLVideoElement() const override { return true; }
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private:
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HTMLVideoElement(Document&);
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virtual bool rendererIsNeeded(const RenderStyle&) override;
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virtual RenderObject* createRenderer(RenderStyle*) override;
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virtual void attach(const AttachContext& = AttachContext()) override;
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virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
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virtual bool hasVideo() const override { return webMediaPlayer() && webMediaPlayer()->hasVideo(); }
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virtual bool isURLAttribute(const Attribute&) const override;
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virtual const AtomicString imageSourceURL() const override;
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bool hasAvailableVideoFrame() const;
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virtual void updateDisplayState() override;
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virtual void didMoveToNewDocument(Document& oldDocument) override;
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virtual void setDisplayMode(DisplayMode) override;
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OwnPtrWillBeMember<HTMLImageLoader> m_imageLoader;
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AtomicString m_defaultPosterURL;
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};
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} // namespace blink
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#endif // HTMLVideoElement_h
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