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#include "HTMLMediaElement.h"
31
32namespace WebCore {
33
34class HTMLImageLoader;
35
36class HTMLVideoElement FINAL : public HTMLMediaElement {
37public:
38    static PassRefPtr<HTMLVideoElement> create(const QualifiedName&, Document*, bool);
39
40    unsigned width() const;
41    unsigned height() const;
42
43    unsigned videoWidth() const;
44    unsigned videoHeight() const;
45
46    // Fullscreen
47    void webkitEnterFullscreen(ExceptionCode&);
48    void webkitExitFullscreen();
49    bool webkitSupportsFullscreen();
50    bool webkitDisplayingFullscreen();
51
52    // FIXME: Maintain "FullScreen" capitalization scheme for backwards compatibility.
53    // https://bugs.webkit.org/show_bug.cgi?id=36081
54    void webkitEnterFullScreen(ExceptionCode& ec) { webkitEnterFullscreen(ec); }
55    void webkitExitFullScreen() { webkitExitFullscreen(); }
56
57#if ENABLE(MEDIA_STATISTICS)
58    // Statistics
59    unsigned webkitDecodedFrameCount() const;
60    unsigned webkitDroppedFrameCount() const;
61#endif
62
63    // Used by canvas to gain raw pixel access
64    void paintCurrentFrameInContext(GraphicsContext*, const IntRect&);
65
66    // Used by WebGL to do GPU-GPU textures copy if possible.
67    // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h.
68    bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject texture, GC3Dint level, GC3Denum type, GC3Denum internalFormat, bool premultiplyAlpha, bool flipY);
69
70    bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
71
72    KURL posterImageURL() const;
73
74private:
75    HTMLVideoElement(const QualifiedName&, Document*, bool);
76
77    virtual bool rendererIsNeeded(const NodeRenderingContext&);
78#if !ENABLE(PLUGIN_PROXY_FOR_VIDEO)
79    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
80#endif
81    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
82    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
83    virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
84    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
85    virtual bool isVideo() const { return true; }
86    virtual bool hasVideo() const { return player() && player()->hasVideo(); }
87    virtual bool supportsFullscreen() const;
88    virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
89    virtual const AtomicString& imageSourceURL() const OVERRIDE;
90
91    virtual bool hasAvailableVideoFrame() const;
92    virtual void updateDisplayState();
93    virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
94    virtual void setDisplayMode(DisplayMode);
95
96    OwnPtr<HTMLImageLoader> m_imageLoader;
97
98    AtomicString m_defaultPosterURL;
99};
100
101} //namespace
102
103#endif
104#endif
105