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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 #if ENABLE(VIDEO)
30 
31 #include "HTMLMediaElement.h"
32 
33 namespace WebCore {
34 
35 class HTMLImageLoader;
36 
37 class HTMLVideoElement : public HTMLMediaElement {
38 public:
39     static PassRefPtr<HTMLVideoElement> create(const QualifiedName&, Document*);
40 
41     unsigned width() const;
42     unsigned height() const;
43 
44     unsigned videoWidth() const;
45     unsigned videoHeight() const;
46 
47     // Fullscreen
48     void webkitEnterFullscreen(bool isUserGesture, ExceptionCode&);
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
webkitEnterFullScreen(bool isUserGesture,ExceptionCode & ec)55     void webkitEnterFullScreen(bool isUserGesture, ExceptionCode& ec) { webkitEnterFullscreen(isUserGesture, ec); }
webkitExitFullScreen()56     void webkitExitFullScreen() { webkitExitFullscreen(); }
57 
58 #if ENABLE(MEDIA_STATISTICS)
59     // Statistics
60     unsigned webkitDecodedFrameCount() const;
61     unsigned webkitDroppedFrameCount() const;
62 #endif
63 
64     // Used by canvas to gain raw pixel access
65     void paintCurrentFrameInContext(GraphicsContext*, const IntRect&);
66 
shouldDisplayPosterImage()67     bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
68 
69 private:
70     HTMLVideoElement(const QualifiedName&, Document*);
71 
72     virtual bool rendererIsNeeded(RenderStyle*);
73 #if !ENABLE(PLUGIN_PROXY_FOR_VIDEO)
74     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
75 #endif
76     virtual void attach();
77     virtual void detach();
78     virtual void parseMappedAttribute(Attribute*);
isVideo()79     virtual bool isVideo() const { return true; }
hasVideo()80     virtual bool hasVideo() const { return player() && player()->hasVideo(); }
81     virtual bool supportsFullscreen() const;
82     virtual bool isURLAttribute(Attribute*) const;
83     virtual const QualifiedName& imageSourceAttributeName() const;
84 
85     virtual bool hasAvailableVideoFrame() const;
86     virtual void updateDisplayState();
87 
88     virtual void willMoveToNewOwnerDocument();
89 
90     virtual void setDisplayMode(DisplayMode);
91 
92     OwnPtr<HTMLImageLoader> m_imageLoader;
93 
94 };
95 
96 } //namespace
97 
98 #endif
99 #endif
100