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