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#include "core/rendering/RenderMedia.h" 29 30#include "core/html/HTMLMediaElement.h" 31#include "core/rendering/LayoutRectRecorder.h" 32#include "core/rendering/RenderFlowThread.h" 33#include "core/rendering/RenderView.h" 34 35namespace WebCore { 36 37RenderMedia::RenderMedia(HTMLMediaElement* video) 38 : RenderImage(video) 39{ 40 setImageResource(RenderImageResource::create()); 41} 42 43RenderMedia::~RenderMedia() 44{ 45} 46 47HTMLMediaElement* RenderMedia::mediaElement() const 48{ 49 return toHTMLMediaElement(node()); 50} 51 52void RenderMedia::layout() 53{ 54 LayoutRectRecorder recorder(*this); 55 LayoutSize oldSize = contentBoxRect().size(); 56 57 RenderImage::layout(); 58 59 RenderBox* controlsRenderer = toRenderBox(m_children.firstChild()); 60 if (!controlsRenderer) 61 return; 62 63 bool controlsNeedLayout = controlsRenderer->needsLayout(); 64 // If the region chain has changed we also need to relayout the controls to update the region box info. 65 // FIXME: We can do better once we compute region box info for RenderReplaced, not only for RenderBlock. 66 const RenderFlowThread* flowThread = flowThreadContainingBlock(); 67 if (flowThread && !controlsNeedLayout) { 68 if (flowThread->pageLogicalSizeChanged()) 69 controlsNeedLayout = true; 70 } 71 72 LayoutSize newSize = contentBoxRect().size(); 73 if (newSize == oldSize && !controlsNeedLayout) 74 return; 75 76 // When calling layout() on a child node, a parent must either push a LayoutStateMaintainter, or 77 // instantiate LayoutStateDisabler. Since using a LayoutStateMaintainer is slightly more efficient, 78 // and this method will be called many times per second during playback, use a LayoutStateMaintainer: 79 LayoutStateMaintainer statePusher(view(), this, locationOffset(), hasTransform() || hasReflection() || style()->isFlippedBlocksWritingMode()); 80 81 controlsRenderer->setLocation(LayoutPoint(borderLeft(), borderTop()) + LayoutSize(paddingLeft(), paddingTop())); 82 controlsRenderer->style()->setHeight(Length(newSize.height(), Fixed)); 83 controlsRenderer->style()->setWidth(Length(newSize.width(), Fixed)); 84 controlsRenderer->forceLayout(); 85 clearNeedsLayout(); 86 87 statePusher.pop(); 88} 89 90void RenderMedia::paintReplaced(PaintInfo&, const LayoutPoint&) 91{ 92} 93 94} // namespace WebCore 95