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 
38 class RenderVideo : public RenderMedia {
39 public:
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 
54 private:
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 
renderName()64     virtual const char* renderName() const { return "RenderVideo"; }
65 
requiresLayer()66     virtual bool requiresLayer() const { return true; }
isVideo()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 
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