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| 1 /* | 1 /* |
| 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. | 3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. |
| 4 * Copyright (C) 2010 Google Inc. All rights reserved. | 4 * Copyright (C) 2010 Google Inc. All rights reserved. |
| 5 * Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved. | 5 * Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved. |
| 6 * | 6 * |
| 7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
| 8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
| 9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
| 10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
| (...skipping 15 matching lines...) Expand all Loading... |
| 26 | 26 |
| 27 #include "core/rendering/RenderBlockFlow.h" | 27 #include "core/rendering/RenderBlockFlow.h" |
| 28 #include "platform/geometry/LayoutRect.h" | 28 #include "platform/geometry/LayoutRect.h" |
| 29 | 29 |
| 30 namespace blink { | 30 namespace blink { |
| 31 | 31 |
| 32 // Like LayoutState for layout(), LineLayoutState keeps track of global informat
ion | 32 // Like LayoutState for layout(), LineLayoutState keeps track of global informat
ion |
| 33 // during an entire linebox tree layout pass (aka layoutInlineChildren). | 33 // during an entire linebox tree layout pass (aka layoutInlineChildren). |
| 34 class LineLayoutState { | 34 class LineLayoutState { |
| 35 public: | 35 public: |
| 36 LineLayoutState(bool fullLayout, LayoutUnit& repaintLogicalTop, LayoutUnit&
repaintLogicalBottom, RenderFlowThread* flowThread) | 36 LineLayoutState(bool fullLayout, LayoutUnit& paintInvalidationLogicalTop, La
youtUnit& paintInvalidationLogicalBottom, RenderFlowThread* flowThread) |
| 37 : m_lastFloat(0) | 37 : m_lastFloat(0) |
| 38 , m_endLine(0) | 38 , m_endLine(0) |
| 39 , m_floatIndex(0) | 39 , m_floatIndex(0) |
| 40 , m_endLineLogicalTop(0) | 40 , m_endLineLogicalTop(0) |
| 41 , m_endLineMatched(false) | 41 , m_endLineMatched(false) |
| 42 , m_checkForFloatsFromLastLine(false) | 42 , m_checkForFloatsFromLastLine(false) |
| 43 , m_hasInlineChild(false) | 43 , m_hasInlineChild(false) |
| 44 , m_isFullLayout(fullLayout) | 44 , m_isFullLayout(fullLayout) |
| 45 , m_repaintLogicalTop(repaintLogicalTop) | 45 , m_paintInvalidationLogicalTop(paintInvalidationLogicalTop) |
| 46 , m_repaintLogicalBottom(repaintLogicalBottom) | 46 , m_paintInvalidationLogicalBottom(paintInvalidationLogicalBottom) |
| 47 , m_adjustedLogicalLineTop(0) | 47 , m_adjustedLogicalLineTop(0) |
| 48 , m_usesRepaintBounds(false) | 48 , m_usesPaintInvalidationBounds(false) |
| 49 , m_flowThread(flowThread) | 49 , m_flowThread(flowThread) |
| 50 { } | 50 { } |
| 51 | 51 |
| 52 void markForFullLayout() { m_isFullLayout = true; } | 52 void markForFullLayout() { m_isFullLayout = true; } |
| 53 bool isFullLayout() const { return m_isFullLayout; } | 53 bool isFullLayout() const { return m_isFullLayout; } |
| 54 | 54 |
| 55 bool usesRepaintBounds() const { return m_usesRepaintBounds; } | 55 bool usesPaintInvalidationBounds() const { return m_usesPaintInvalidationBou
nds; } |
| 56 | 56 |
| 57 void setRepaintRange(LayoutUnit logicalHeight) | 57 void setPaintInvalidationRange(LayoutUnit logicalHeight) |
| 58 { | 58 { |
| 59 m_usesRepaintBounds = true; | 59 m_usesPaintInvalidationBounds = true; |
| 60 m_repaintLogicalTop = m_repaintLogicalBottom = logicalHeight; | 60 m_paintInvalidationLogicalTop = m_paintInvalidationLogicalBottom = logic
alHeight; |
| 61 } | 61 } |
| 62 | 62 |
| 63 void updateRepaintRangeFromBox(RootInlineBox* box, LayoutUnit paginationDelt
a = 0) | 63 void updatePaintInvalidationRangeFromBox(RootInlineBox* box, LayoutUnit pagi
nationDelta = 0) |
| 64 { | 64 { |
| 65 m_usesRepaintBounds = true; | 65 m_usesPaintInvalidationBounds = true; |
| 66 m_repaintLogicalTop = std::min(m_repaintLogicalTop, box->logicalTopVisua
lOverflow() + std::min<LayoutUnit>(paginationDelta, 0)); | 66 m_paintInvalidationLogicalTop = std::min(m_paintInvalidationLogicalTop,
box->logicalTopVisualOverflow() + std::min<LayoutUnit>(paginationDelta, 0)); |
| 67 m_repaintLogicalBottom = std::max(m_repaintLogicalBottom, box->logicalBo
ttomVisualOverflow() + std::max<LayoutUnit>(paginationDelta, 0)); | 67 m_paintInvalidationLogicalBottom = std::max(m_paintInvalidationLogicalBo
ttom, box->logicalBottomVisualOverflow() + std::max<LayoutUnit>(paginationDelta,
0)); |
| 68 } | 68 } |
| 69 | 69 |
| 70 bool endLineMatched() const { return m_endLineMatched; } | 70 bool endLineMatched() const { return m_endLineMatched; } |
| 71 void setEndLineMatched(bool endLineMatched) { m_endLineMatched = endLineMatc
hed; } | 71 void setEndLineMatched(bool endLineMatched) { m_endLineMatched = endLineMatc
hed; } |
| 72 | 72 |
| 73 bool checkForFloatsFromLastLine() const { return m_checkForFloatsFromLastLin
e; } | 73 bool checkForFloatsFromLastLine() const { return m_checkForFloatsFromLastLin
e; } |
| 74 void setCheckForFloatsFromLastLine(bool check) { m_checkForFloatsFromLastLin
e = check; } | 74 void setCheckForFloatsFromLastLine(bool check) { m_checkForFloatsFromLastLin
e = check; } |
| 75 | 75 |
| 76 bool hasInlineChild() const { return m_hasInlineChild; } | 76 bool hasInlineChild() const { return m_hasInlineChild; } |
| 77 void setHasInlineChild(bool hasInlineChild) { m_hasInlineChild = hasInlineCh
ild; } | 77 void setHasInlineChild(bool hasInlineChild) { m_hasInlineChild = hasInlineCh
ild; } |
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| 101 | 101 |
| 102 private: | 102 private: |
| 103 Vector<RenderBlockFlow::FloatWithRect> m_floats; | 103 Vector<RenderBlockFlow::FloatWithRect> m_floats; |
| 104 FloatingObject* m_lastFloat; | 104 FloatingObject* m_lastFloat; |
| 105 RootInlineBox* m_endLine; | 105 RootInlineBox* m_endLine; |
| 106 LineInfo m_lineInfo; | 106 LineInfo m_lineInfo; |
| 107 unsigned m_floatIndex; | 107 unsigned m_floatIndex; |
| 108 LayoutUnit m_endLineLogicalTop; | 108 LayoutUnit m_endLineLogicalTop; |
| 109 bool m_endLineMatched; | 109 bool m_endLineMatched; |
| 110 bool m_checkForFloatsFromLastLine; | 110 bool m_checkForFloatsFromLastLine; |
| 111 // Used as a performance optimization to avoid doing a full repaint when our
floats | 111 // Used as a performance optimization to avoid doing a full paint invalidati
on when our floats |
| 112 // change but we don't have any inline children. | 112 // change but we don't have any inline children. |
| 113 bool m_hasInlineChild; | 113 bool m_hasInlineChild; |
| 114 | 114 |
| 115 bool m_isFullLayout; | 115 bool m_isFullLayout; |
| 116 | 116 |
| 117 // FIXME: Should this be a range object instead of two ints? | 117 // FIXME: Should this be a range object instead of two ints? |
| 118 LayoutUnit& m_repaintLogicalTop; | 118 LayoutUnit& m_paintInvalidationLogicalTop; |
| 119 LayoutUnit& m_repaintLogicalBottom; | 119 LayoutUnit& m_paintInvalidationLogicalBottom; |
| 120 | 120 |
| 121 LayoutUnit m_adjustedLogicalLineTop; | 121 LayoutUnit m_adjustedLogicalLineTop; |
| 122 | 122 |
| 123 bool m_usesRepaintBounds; | 123 bool m_usesPaintInvalidationBounds; |
| 124 | 124 |
| 125 RenderFlowThread* m_flowThread; | 125 RenderFlowThread* m_flowThread; |
| 126 }; | 126 }; |
| 127 | 127 |
| 128 } | 128 } |
| 129 | 129 |
| 130 #endif // LineLayoutState_h | 130 #endif // LineLayoutState_h |
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