1 /*
2 * Copyright (C) 2007, 2009 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 #if USE(ACCELERATED_COMPOSITING)
37 class GraphicsLayer;
38 #endif
39
40 class RenderVideo : public RenderMedia {
41 public:
42 RenderVideo(HTMLMediaElement*);
43 virtual ~RenderVideo();
44
45 void videoSizeChanged();
46 IntRect videoBox() const;
47
48 #if USE(ACCELERATED_COMPOSITING)
49 bool supportsAcceleratedRendering() const;
50 void acceleratedRenderingStateChanged();
51 GraphicsLayer* videoGraphicsLayer() const;
52 #endif
53
54 private:
55 virtual void updateFromElement();
56
intrinsicSizeChanged()57 virtual void intrinsicSizeChanged() { videoSizeChanged(); }
58
renderName()59 virtual const char* renderName() const { return "RenderVideo"; }
60
requiresLayer()61 virtual bool requiresLayer() const { return true; }
isVideo()62 virtual bool isVideo() const { return true; }
63
64 virtual void paintReplaced(PaintInfo&, int tx, int ty);
65
66 virtual void layout();
67
68 virtual int calcReplacedWidth(bool includeMaxWidth = true) const;
69 virtual int calcReplacedHeight() const;
70
71 virtual void calcPrefWidths();
72
73 int calcAspectRatioWidth() const;
74 int calcAspectRatioHeight() const;
75
76 bool isWidthSpecified() const;
77 bool isHeightSpecified() const;
78
79 void updatePlayer();
80 };
81
toRenderVideo(RenderObject * object)82 inline 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.
89 void toRenderVideo(const RenderVideo*);
90
91 } // namespace WebCore
92
93 #endif
94 #endif // RenderVideo_h
95