1/*
2 * Copyright (C) 2007, 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 RenderVideo_h
27#define RenderVideo_h
28
29#if ENABLE(VIDEO)
30
31#include "RenderMedia.h"
32
33namespace WebCore {
34
35class HTMLMediaElement;
36class HTMLVideoElement;
37
38class RenderVideo : public RenderMedia {
39public:
40    RenderVideo(HTMLVideoElement*);
41    virtual ~RenderVideo();
42
43    IntRect videoBox() const;
44
45    static IntSize defaultSize();
46
47#if USE(ACCELERATED_COMPOSITING)
48    bool supportsAcceleratedRendering() const;
49    void acceleratedRenderingStateChanged();
50#endif
51
52    virtual bool shouldDisplayVideo() const;
53
54private:
55    virtual void updateFromElement();
56    inline HTMLVideoElement* videoElement() const;
57
58    virtual void intrinsicSizeChanged();
59    IntSize calculateIntrinsicSize();
60    void updateIntrinsicSize();
61
62    virtual void imageChanged(WrappedImagePtr, const IntRect*);
63
64    virtual const char* renderName() const { return "RenderVideo"; }
65
66    virtual bool requiresLayer() const { return true; }
67    virtual bool isVideo() const { return true; }
68
69    virtual void paintReplaced(PaintInfo&, int tx, int ty);
70
71    virtual void layout();
72
73    virtual int computeReplacedLogicalWidth(bool includeMaxWidth = true) const;
74    virtual int computeReplacedLogicalHeight() const;
75    virtual int minimumReplacedHeight() const;
76
77    void updatePlayer();
78
79    IntSize m_cachedImageSize;
80};
81
82inline RenderVideo* toRenderVideo(RenderObject* object)
83{
84    ASSERT(!object || object->isVideo());
85    return static_cast<RenderVideo*>(object);
86}
87
88// This will catch anyone doing an unnecessary cast.
89void toRenderVideo(const RenderVideo*);
90
91} // namespace WebCore
92
93#endif
94#endif // RenderVideo_h
95