2 * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef HTMLVideoElement_h
27 #define HTMLVideoElement_h
29 #include "core/html/HTMLMediaElement.h"
30 #include "core/html/canvas/CanvasImageSource.h"
31 #include "platform/graphics/GraphicsTypes3D.h"
34 class WebGraphicsContext3D;
40 class HTMLImageLoader;
41 class GraphicsContext;
43 // GL types as defined in OpenGL ES 2.0 header file gl2.h from khronos.org.
44 // That header cannot be included directly due to a conflict with NPAPI headers.
45 // See crbug.com/328085.
46 typedef unsigned GLenum;
49 class HTMLVideoElement FINAL : public HTMLMediaElement, public CanvasImageSource {
50 DEFINE_WRAPPERTYPEINFO();
52 static PassRefPtrWillBeRawPtr<HTMLVideoElement> create(Document&);
53 virtual void trace(Visitor*) OVERRIDE;
55 unsigned videoWidth() const;
56 unsigned videoHeight() const;
59 void webkitEnterFullscreen(ExceptionState&);
60 void webkitExitFullscreen();
61 bool webkitSupportsFullscreen();
62 bool webkitDisplayingFullscreen();
65 unsigned webkitDecodedFrameCount() const;
66 unsigned webkitDroppedFrameCount() const;
68 // Used by canvas to gain raw pixel access
69 void paintCurrentFrameInContext(GraphicsContext*, const IntRect&) const;
71 // Used by WebGL to do GPU-GPU textures copy if possible.
72 // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h.
73 bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, Platform3DObject texture, GC3Dint level, GLenum internalFormat, GLenum type, bool premultiplyAlpha, bool flipY);
75 bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
77 KURL posterImageURL() const;
79 // FIXME: Remove this when WebMediaPlayerClientImpl::loadInternal does not depend on it.
80 virtual KURL mediaPlayerPosterURL() OVERRIDE;
82 // CanvasImageSource implementation
83 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceImageStatus*) const OVERRIDE;
84 virtual bool isVideoElement() const OVERRIDE { return true; }
85 virtual bool wouldTaintOrigin(SecurityOrigin*) const OVERRIDE;
86 virtual FloatSize sourceSize() const OVERRIDE;
87 virtual const KURL& sourceURL() const OVERRIDE { return currentSrc(); }
89 virtual bool isHTMLVideoElement() const OVERRIDE { return true; }
92 HTMLVideoElement(Document&);
94 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
95 virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
96 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
97 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
98 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
99 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
100 virtual bool hasVideo() const OVERRIDE { return webMediaPlayer() && webMediaPlayer()->hasVideo(); }
101 bool supportsFullscreen() const;
102 virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
103 virtual const AtomicString imageSourceURL() const OVERRIDE;
105 bool hasAvailableVideoFrame() const;
106 virtual void updateDisplayState() OVERRIDE;
107 virtual void didMoveToNewDocument(Document& oldDocument) OVERRIDE;
108 virtual void setDisplayMode(DisplayMode) OVERRIDE;
110 OwnPtrWillBeMember<HTMLImageLoader> m_imageLoader;
112 AtomicString m_defaultPosterURL;
117 #endif // HTMLVideoElement_h