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 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 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#include <memory>
33
34namespace WebCore {
35
36class HTMLImageLoader;
37
38class HTMLVideoElement final : public HTMLMediaElement {
39public:
40    static PassRefPtr<HTMLVideoElement> create(const QualifiedName&, Document&, bool);
41
42    unsigned videoWidth() const;
43    unsigned videoHeight() const;
44
45    // Fullscreen
46    void webkitEnterFullscreen(ExceptionCode&);
47    void webkitExitFullscreen();
48    bool webkitSupportsFullscreen();
49    bool webkitDisplayingFullscreen();
50
51    // FIXME: Maintain "FullScreen" capitalization scheme for backwards compatibility.
52    // https://bugs.webkit.org/show_bug.cgi?id=36081
53    void webkitEnterFullScreen(ExceptionCode& ec) { webkitEnterFullscreen(ec); }
54    void webkitExitFullScreen() { webkitExitFullscreen(); }
55
56#if ENABLE(IOS_AIRPLAY)
57    bool webkitWirelessVideoPlaybackDisabled() const;
58    void setWebkitWirelessVideoPlaybackDisabled(bool);
59#endif
60
61#if ENABLE(MEDIA_STATISTICS)
62    // Statistics
63    unsigned webkitDecodedFrameCount() const;
64    unsigned webkitDroppedFrameCount() const;
65#endif
66
67    // Used by canvas to gain raw pixel access
68    void paintCurrentFrameInContext(GraphicsContext*, const IntRect&);
69
70    PassNativeImagePtr nativeImageForCurrentTime();
71
72    // Used by WebGL to do GPU-GPU textures copy if possible.
73    // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h.
74    bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject texture, GC3Dint level, GC3Denum type, GC3Denum internalFormat, bool premultiplyAlpha, bool flipY);
75
76    bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
77
78    URL posterImageURL() const;
79    virtual RenderPtr<RenderElement> createElementRenderer(PassRef<RenderStyle>) override;
80
81private:
82    HTMLVideoElement(const QualifiedName&, Document&, bool);
83
84    virtual bool rendererIsNeeded(const RenderStyle&) override;
85    virtual void didAttachRenderers() override;
86    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
87    virtual bool isPresentationAttribute(const QualifiedName&) const override;
88    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) override;
89    virtual bool isVideo() const override { return true; }
90    virtual bool hasVideo() const override { return player() && player()->hasVideo(); }
91    virtual bool supportsFullscreen() const override;
92    virtual bool isURLAttribute(const Attribute&) const override;
93    virtual const AtomicString& imageSourceURL() const override;
94
95    virtual bool hasAvailableVideoFrame() const;
96    virtual void updateDisplayState() override;
97    virtual void didMoveToNewDocument(Document* oldDocument) override;
98    virtual void setDisplayMode(DisplayMode) override;
99
100    std::unique_ptr<HTMLImageLoader> m_imageLoader;
101
102    AtomicString m_defaultPosterURL;
103};
104
105NODE_TYPE_CASTS(HTMLVideoElement)
106
107} //namespace
108
109#endif
110#endif
111