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1 /* | 1 /* |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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41 , m_flowThread(0) | 41 , m_flowThread(0) |
42 , m_columnInfo(0) | 42 , m_columnInfo(0) |
43 , m_next(0) | 43 , m_next(0) |
44 , m_pageLogicalHeight(pageLogicalHeight) | 44 , m_pageLogicalHeight(pageLogicalHeight) |
45 , m_renderer(view) | 45 , m_renderer(view) |
46 { | 46 { |
47 ASSERT(!view.layoutState()); | 47 ASSERT(!view.layoutState()); |
48 view.pushLayoutState(*this); | 48 view.pushLayoutState(*this); |
49 } | 49 } |
50 | 50 |
51 LayoutState::LayoutState(RenderBox& renderer, const LayoutSize& offset, LayoutUn
it pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo, boo
l containingBlockLogicalWidthChanged) | 51 LayoutState::LayoutState(LayoutBox& renderer, const LayoutSize& offset, LayoutUn
it pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo, boo
l containingBlockLogicalWidthChanged) |
52 : m_containingBlockLogicalWidthChanged(containingBlockLogicalWidthChanged) | 52 : m_containingBlockLogicalWidthChanged(containingBlockLogicalWidthChanged) |
53 , m_columnInfo(columnInfo) | 53 , m_columnInfo(columnInfo) |
54 , m_next(renderer.view()->layoutState()) | 54 , m_next(renderer.view()->layoutState()) |
55 , m_renderer(renderer) | 55 , m_renderer(renderer) |
56 { | 56 { |
57 m_flowThread = renderer.isLayoutFlowThread() ? toLayoutFlowThread(&renderer)
: m_next->flowThread(); | 57 m_flowThread = renderer.isLayoutFlowThread() ? toLayoutFlowThread(&renderer)
: m_next->flowThread(); |
58 renderer.view()->pushLayoutState(*this); | 58 renderer.view()->pushLayoutState(*this); |
59 bool fixed = renderer.isOutOfFlowPositioned() && renderer.style()->position(
) == FixedPosition; | 59 bool fixed = renderer.isOutOfFlowPositioned() && renderer.style()->position(
) == FixedPosition; |
60 if (fixed) { | 60 if (fixed) { |
61 // FIXME: This doesn't work correctly with transforms. | 61 // FIXME: This doesn't work correctly with transforms. |
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132 } | 132 } |
133 } | 133 } |
134 | 134 |
135 void LayoutState::clearPaginationInformation() | 135 void LayoutState::clearPaginationInformation() |
136 { | 136 { |
137 m_pageLogicalHeight = m_next->m_pageLogicalHeight; | 137 m_pageLogicalHeight = m_next->m_pageLogicalHeight; |
138 m_pageOffset = m_next->m_pageOffset; | 138 m_pageOffset = m_next->m_pageOffset; |
139 m_columnInfo = m_next->m_columnInfo; | 139 m_columnInfo = m_next->m_columnInfo; |
140 } | 140 } |
141 | 141 |
142 LayoutUnit LayoutState::pageLogicalOffset(const RenderBox& child, const LayoutUn
it& childLogicalOffset) const | 142 LayoutUnit LayoutState::pageLogicalOffset(const LayoutBox& child, const LayoutUn
it& childLogicalOffset) const |
143 { | 143 { |
144 if (child.isHorizontalWritingMode()) | 144 if (child.isHorizontalWritingMode()) |
145 return m_layoutOffset.height() + childLogicalOffset - m_pageOffset.heigh
t(); | 145 return m_layoutOffset.height() + childLogicalOffset - m_pageOffset.heigh
t(); |
146 return m_layoutOffset.width() + childLogicalOffset - m_pageOffset.width(); | 146 return m_layoutOffset.width() + childLogicalOffset - m_pageOffset.width(); |
147 } | 147 } |
148 | 148 |
149 void LayoutState::addForcedColumnBreak(const RenderBox& child, const LayoutUnit&
childLogicalOffset) | 149 void LayoutState::addForcedColumnBreak(const LayoutBox& child, const LayoutUnit&
childLogicalOffset) |
150 { | 150 { |
151 if (!m_columnInfo || m_columnInfo->columnHeight()) | 151 if (!m_columnInfo || m_columnInfo->columnHeight()) |
152 return; | 152 return; |
153 m_columnInfo->addForcedBreak(pageLogicalOffset(child, childLogicalOffset)); | 153 m_columnInfo->addForcedBreak(pageLogicalOffset(child, childLogicalOffset)); |
154 } | 154 } |
155 | 155 |
156 } // namespace blink | 156 } // namespace blink |
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