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
33 namespace WebCore {
34
35 class HTMLMediaElement;
36 class HTMLVideoElement;
37 #if USE(ACCELERATED_COMPOSITING)
38 class GraphicsLayer;
39 #endif
40
41 class RenderVideo : public RenderMedia {
42 public:
43 RenderVideo(HTMLVideoElement*);
44 virtual ~RenderVideo();
45
46 void videoSizeChanged();
47 IntRect videoBox() const;
48
49 #if USE(ACCELERATED_COMPOSITING)
50 bool supportsAcceleratedRendering() const;
51 void acceleratedRenderingStateChanged();
52 GraphicsLayer* videoGraphicsLayer() const;
53 #endif
54
55 private:
56 virtual void updateFromElement();
57 inline HTMLVideoElement* videoElement() const;
58
59 virtual void intrinsicSizeChanged();
60 virtual void imageChanged(WrappedImagePtr, const IntRect*);
61
renderName()62 virtual const char* renderName() const { return "RenderVideo"; }
63
requiresLayer()64 virtual bool requiresLayer() const { return true; }
isVideo()65 virtual bool isVideo() const { return true; }
66
67 virtual void paintReplaced(PaintInfo&, int tx, int ty);
68
69 virtual void layout();
70
71 virtual int calcReplacedWidth(bool includeMaxWidth = true) const;
72 virtual int calcReplacedHeight() const;
73 virtual int minimumReplacedHeight() const;
74
75 int calcAspectRatioWidth() const;
76 int calcAspectRatioHeight() const;
77
78 void updatePlayer();
79
80 IntSize m_cachedImageSize;
81 };
82
toRenderVideo(RenderObject * object)83 inline RenderVideo* toRenderVideo(RenderObject* object)
84 {
85 ASSERT(!object || object->isVideo());
86 return static_cast<RenderVideo*>(object);
87 }
88
89 // This will catch anyone doing an unnecessary cast.
90 void toRenderVideo(const RenderVideo*);
91
92 } // namespace WebCore
93
94 #endif
95 #endif // RenderVideo_h
96