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| 1 /* | |
| 2 * Copyright (C) 2007 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 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 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 "sky/engine/config.h" | |
| 27 #include "sky/engine/core/rendering/LayoutState.h" | |
| 28 | |
| 29 #include "sky/engine/core/rendering/RenderInline.h" | |
| 30 #include "sky/engine/core/rendering/RenderLayer.h" | |
| 31 #include "sky/engine/core/rendering/RenderView.h" | |
| 32 #include "sky/engine/platform/Partitions.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 LayoutState::LayoutState(RenderView& view) | |
| 37 : m_containingBlockLogicalWidthChanged(false) | |
| 38 , m_next(0) | |
| 39 , m_renderer(view) | |
| 40 { | |
| 41 ASSERT(!view.layoutState()); | |
| 42 view.pushLayoutState(*this); | |
| 43 } | |
| 44 | |
| 45 LayoutState::LayoutState(RenderBox& renderer, const LayoutSize& offset, bool con
tainingBlockLogicalWidthChanged) | |
| 46 : m_containingBlockLogicalWidthChanged(containingBlockLogicalWidthChanged) | |
| 47 , m_next(renderer.view()->layoutState()) | |
| 48 , m_renderer(renderer) | |
| 49 { | |
| 50 renderer.view()->pushLayoutState(*this); | |
| 51 m_layoutOffset = m_next->m_layoutOffset + offset; | |
| 52 // FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip
if present. | |
| 53 } | |
| 54 | |
| 55 LayoutState::LayoutState(RenderObject& root) | |
| 56 : m_containingBlockLogicalWidthChanged(false) | |
| 57 , m_next(root.view()->layoutState()) | |
| 58 , m_renderer(root) | |
| 59 { | |
| 60 ASSERT(!m_next); | |
| 61 // We'll end up pushing in RenderView itself, so don't bother adding it. | |
| 62 if (root.isRenderView()) | |
| 63 return; | |
| 64 | |
| 65 root.view()->pushLayoutState(*this); | |
| 66 | |
| 67 RenderObject* container = root.container(); | |
| 68 FloatPoint absContentPoint = container->localToAbsolute(FloatPoint(), UseTra
nsforms); | |
| 69 m_layoutOffset = LayoutSize(absContentPoint.x(), absContentPoint.y()); | |
| 70 } | |
| 71 | |
| 72 LayoutState::~LayoutState() | |
| 73 { | |
| 74 if (m_renderer.view()->layoutState()) { | |
| 75 ASSERT(m_renderer.view()->layoutState() == this); | |
| 76 m_renderer.view()->popLayoutState(); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 } // namespace blink | |
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