1 /* 2 * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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. 24 */ 25 26 #ifndef HTMLVideoElement_h 27 #define HTMLVideoElement_h 28 29 #include "core/html/HTMLMediaElement.h" 30 31 namespace WebCore { 32 33 class ExceptionState; 34 class HTMLImageLoader; 35 36 class HTMLVideoElement FINAL : public HTMLMediaElement { 37 public: 38 static PassRefPtr<HTMLVideoElement> create(Document* document) { return create(HTMLNames::videoTag, document, false); } 39 static PassRefPtr<HTMLVideoElement> create(const QualifiedName&, Document*, bool); 40 41 unsigned width() const; 42 unsigned height() const; 43 44 unsigned videoWidth() const; 45 unsigned videoHeight() const; 46 47 // Fullscreen 48 void webkitEnterFullscreen(ExceptionState&); 49 void webkitExitFullscreen(); 50 bool webkitSupportsFullscreen(); 51 bool webkitDisplayingFullscreen(); 52 53 // FIXME: Maintain "FullScreen" capitalization scheme for backwards compatibility. 54 // https://bugs.webkit.org/show_bug.cgi?id=36081 55 void webkitEnterFullScreen(ExceptionState& es) { webkitEnterFullscreen(es); } 56 void webkitExitFullScreen() { webkitExitFullscreen(); } 57 58 // Statistics 59 unsigned webkitDecodedFrameCount() const; 60 unsigned webkitDroppedFrameCount() const; 61 62 // Used by canvas to gain raw pixel access 63 void paintCurrentFrameInContext(GraphicsContext*, const IntRect&); 64 65 // Used by WebGL to do GPU-GPU textures copy if possible. 66 // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h. 67 bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject texture, GC3Dint level, GC3Denum type, GC3Denum internalFormat, bool premultiplyAlpha, bool flipY); 68 69 bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; } 70 71 KURL posterImageURL() const; 72 73 private: 74 HTMLVideoElement(const QualifiedName&, Document*, bool); 75 76 virtual bool rendererIsNeeded(const NodeRenderingContext&); 77 virtual RenderObject* createRenderer(RenderStyle*); 78 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; 79 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 80 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; 81 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE; 82 virtual bool isVideo() const { return true; } 83 virtual bool hasVideo() const { return player() && player()->hasVideo(); } 84 virtual bool supportsFullscreen() const; 85 virtual bool isURLAttribute(const Attribute&) const OVERRIDE; 86 virtual const AtomicString& imageSourceURL() const OVERRIDE; 87 88 virtual bool hasAvailableVideoFrame() const; 89 virtual void updateDisplayState(); 90 virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE; 91 virtual void setDisplayMode(DisplayMode); 92 93 OwnPtr<HTMLImageLoader> m_imageLoader; 94 95 AtomicString m_defaultPosterURL; 96 }; 97 98 inline bool isHTMLVideoElement(const Node* node) 99 { 100 return node->hasTagName(HTMLNames::videoTag); 101 } 102 103 inline bool isHTMLVideoElement(const Element* element) 104 { 105 return element->hasTagName(HTMLNames::videoTag); 106 } 107 108 inline HTMLVideoElement* toHTMLVideoElement(Node* node) 109 { 110 ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLVideoElement(node)); 111 return static_cast<HTMLVideoElement*>(node); 112 } 113 114 } //namespace 115 116 #endif 117