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 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 #include "config.h"
27 
28 #if ENABLE(VIDEO)
29 #include "RenderMedia.h"
30 
31 #include "HTMLMediaElement.h"
32 #include "RenderView.h"
33 
34 namespace WebCore {
35 
RenderMedia(HTMLMediaElement * video)36 RenderMedia::RenderMedia(HTMLMediaElement* video)
37     : RenderImage(video)
38 {
39     setImageResource(RenderImageResource::create());
40 }
41 
RenderMedia(HTMLMediaElement * video,const IntSize & intrinsicSize)42 RenderMedia::RenderMedia(HTMLMediaElement* video, const IntSize& intrinsicSize)
43     : RenderImage(video)
44 {
45     setImageResource(RenderImageResource::create());
46     setIntrinsicSize(intrinsicSize);
47 }
48 
~RenderMedia()49 RenderMedia::~RenderMedia()
50 {
51 }
52 
mediaElement() const53 HTMLMediaElement* RenderMedia::mediaElement() const
54 {
55     return static_cast<HTMLMediaElement*>(node());
56 }
57 
layout()58 void RenderMedia::layout()
59 {
60     IntSize oldSize = contentBoxRect().size();
61 
62     RenderImage::layout();
63 
64     RenderBox* controlsRenderer = toRenderBox(m_children.firstChild());
65     if (!controlsRenderer)
66         return;
67 
68     IntSize newSize = contentBoxRect().size();
69     if (newSize == oldSize && !controlsRenderer->needsLayout())
70         return;
71 
72     // When calling layout() on a child node, a parent must either push a LayoutStateMaintainter, or
73     // call view()->disableLayoutState().  Since using a LayoutStateMaintainer is slightly more efficient,
74     // and this method will be called many times per second during playback, use a LayoutStateMaintainer:
75     LayoutStateMaintainer statePusher(view(), this, IntSize(x(), y()), hasTransform() || hasReflection() || style()->isFlippedBlocksWritingMode());
76 
77     controlsRenderer->setLocation(borderLeft() + paddingLeft(), borderTop() + paddingTop());
78     controlsRenderer->style()->setHeight(Length(newSize.height(), Fixed));
79     controlsRenderer->style()->setWidth(Length(newSize.width(), Fixed));
80     controlsRenderer->setNeedsLayout(true, false);
81     controlsRenderer->layout();
82     setChildNeedsLayout(false);
83 
84     statePusher.pop();
85 }
86 
87 } // namespace WebCore
88 
89 #endif
90