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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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64 // mallocs. | 64 // mallocs. |
65 DISALLOW_NEW(); | 65 DISALLOW_NEW(); |
66 WTF_MAKE_NONCOPYABLE(LayoutState); | 66 WTF_MAKE_NONCOPYABLE(LayoutState); |
67 | 67 |
68 public: | 68 public: |
69 // Constructor for root LayoutState created by LayoutView | 69 // Constructor for root LayoutState created by LayoutView |
70 explicit LayoutState(LayoutView&); | 70 explicit LayoutState(LayoutView&); |
71 // Constructor for sub-tree layout and orthogonal writing-mode roots | 71 // Constructor for sub-tree layout and orthogonal writing-mode roots |
72 explicit LayoutState(LayoutObject& root); | 72 explicit LayoutState(LayoutObject& root); |
73 | 73 |
74 LayoutState(LayoutBox&, | 74 LayoutState(LayoutBox&, bool containingBlockLogicalWidthChanged = false); |
75 bool containingBlockLogicalWidthChanged = false); | |
76 | 75 |
77 ~LayoutState(); | 76 ~LayoutState(); |
78 | 77 |
79 bool isPaginated() const { return m_isPaginated; } | 78 bool isPaginated() const { return m_isPaginated; } |
80 | 79 |
81 // The page logical offset is the object's offset from the top of the page in | 80 // The page logical offset is the object's offset from the top of the page in |
82 // the page progression direction (so an x-offset in vertical text and a | 81 // the page progression direction (so an x-offset in vertical text and a |
83 // y-offset for horizontal text). | 82 // y-offset for horizontal text). |
84 LayoutUnit pageLogicalOffset(const LayoutBox&, | 83 LayoutUnit pageLogicalOffset(const LayoutBox&, |
85 const LayoutUnit& childLogicalOffset) const; | 84 const LayoutUnit& childLogicalOffset) const; |
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113 // x/y offset from the logical top / start of the first page. Does not include | 112 // x/y offset from the logical top / start of the first page. Does not include |
114 // relative positioning or scroll offsets. | 113 // relative positioning or scroll offsets. |
115 LayoutSize m_paginationOffset; | 114 LayoutSize m_paginationOffset; |
116 | 115 |
117 LayoutObject& m_layoutObject; | 116 LayoutObject& m_layoutObject; |
118 }; | 117 }; |
119 | 118 |
120 } // namespace blink | 119 } // namespace blink |
121 | 120 |
122 #endif // LayoutState_h | 121 #endif // LayoutState_h |
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