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1 /* | 1 /* |
2 * Copyright (C) 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2012 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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66 const MultiColumnFragmentainerGroup& lastFragmentainerGroup() const { return
m_fragmentainerGroups.last(); } | 66 const MultiColumnFragmentainerGroup& lastFragmentainerGroup() const { return
m_fragmentainerGroups.last(); } |
67 MultiColumnFragmentainerGroup& fragmentainerGroupAtFlowThreadOffset(LayoutUn
it); | 67 MultiColumnFragmentainerGroup& fragmentainerGroupAtFlowThreadOffset(LayoutUn
it); |
68 const MultiColumnFragmentainerGroup& fragmentainerGroupAtFlowThreadOffset(La
youtUnit) const; | 68 const MultiColumnFragmentainerGroup& fragmentainerGroupAtFlowThreadOffset(La
youtUnit) const; |
69 const MultiColumnFragmentainerGroup& fragmentainerGroupAtVisualPoint(const L
ayoutPoint&) const; | 69 const MultiColumnFragmentainerGroup& fragmentainerGroupAtVisualPoint(const L
ayoutPoint&) const; |
70 | 70 |
71 bool isOfType(LayoutObjectType type) const override { return type == LayoutO
bjectLayoutMultiColumnSet || LayoutBlockFlow::isOfType(type); } | 71 bool isOfType(LayoutObjectType type) const override { return type == LayoutO
bjectLayoutMultiColumnSet || LayoutBlockFlow::isOfType(type); } |
72 bool canHaveChildren() const final { return false; } | 72 bool canHaveChildren() const final { return false; } |
73 | 73 |
74 // Return the width and height of a single column or page in the set. | 74 // Return the width and height of a single column or page in the set. |
75 LayoutUnit pageLogicalWidth() const { return flowThread()->logicalWidth(); } | 75 LayoutUnit pageLogicalWidth() const { return flowThread()->logicalWidth(); } |
76 LayoutUnit pageLogicalHeight() const; | 76 LayoutUnit pageLogicalHeightForOffset(LayoutUnit) const; |
| 77 LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule)
const; |
| 78 bool isPageLogicalHeightKnown() const; |
77 | 79 |
78 LayoutFlowThread* flowThread() const { return m_flowThread; } | 80 LayoutFlowThread* flowThread() const { return m_flowThread; } |
79 | 81 |
80 LayoutBlockFlow* multiColumnBlockFlow() const { return toLayoutBlockFlow(par
ent()); } | 82 LayoutBlockFlow* multiColumnBlockFlow() const { return toLayoutBlockFlow(par
ent()); } |
81 LayoutMultiColumnFlowThread* multiColumnFlowThread() const | 83 LayoutMultiColumnFlowThread* multiColumnFlowThread() const |
82 { | 84 { |
83 ASSERT_WITH_SECURITY_IMPLICATION(!flowThread() || flowThread()->isLayout
MultiColumnFlowThread()); | 85 ASSERT_WITH_SECURITY_IMPLICATION(!flowThread() || flowThread()->isLayout
MultiColumnFlowThread()); |
84 return static_cast<LayoutMultiColumnFlowThread*>(flowThread()); | 86 return static_cast<LayoutMultiColumnFlowThread*>(flowThread()); |
85 } | 87 } |
86 | 88 |
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173 MultiColumnFragmentainerGroupList m_fragmentainerGroups; | 175 MultiColumnFragmentainerGroupList m_fragmentainerGroups; |
174 LayoutFlowThread* m_flowThread; | 176 LayoutFlowThread* m_flowThread; |
175 }; | 177 }; |
176 | 178 |
177 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); | 179 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMultiColumnSet, isLayoutMultiColumnSet()); |
178 | 180 |
179 } // namespace blink | 181 } // namespace blink |
180 | 182 |
181 #endif // LayoutMultiColumnSet_h | 183 #endif // LayoutMultiColumnSet_h |
182 | 184 |
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