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Side by Side Diff: Source/core/rendering/RenderFlowThread.h

Issue 898783003: Move rendering/RenderLayer* to layout/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. 2 * Copyright (C) 2011 Adobe Systems Incorporated. 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 * 7 *
8 * 1. Redistributions of source code must retain the above 8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following 9 * copyright notice, this list of conditions and the following
10 * disclaimer. 10 * disclaimer.
(...skipping 12 matching lines...) Expand all
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE. 27 * SUCH DAMAGE.
28 */ 28 */
29 29
30 #ifndef RenderFlowThread_h 30 #ifndef RenderFlowThread_h
31 #define RenderFlowThread_h 31 #define RenderFlowThread_h
32 32
33 #include "core/rendering/LayerFragment.h" 33 #include "core/layout/LayerFragment.h"
34 #include "core/rendering/RenderBlockFlow.h" 34 #include "core/rendering/RenderBlockFlow.h"
35 #include "wtf/ListHashSet.h" 35 #include "wtf/ListHashSet.h"
36 36
37 namespace blink { 37 namespace blink {
38 38
39 class RenderMultiColumnSet; 39 class RenderMultiColumnSet;
40 class RenderRegion; 40 class RenderRegion;
41 41
42 typedef ListHashSet<RenderMultiColumnSet*> RenderMultiColumnSetList; 42 typedef ListHashSet<RenderMultiColumnSet*> RenderMultiColumnSetList;
43 43
44 // RenderFlowThread is used to collect all the render objects that participate i n a 44 // RenderFlowThread is used to collect all the render objects that participate i n a
45 // flow thread. It will also help in doing the layout. However, it will not rend er 45 // flow thread. It will also help in doing the layout. However, it will not rend er
46 // directly to screen. Instead, RenderRegion objects will redirect their paint 46 // directly to screen. Instead, RenderRegion objects will redirect their paint
47 // and nodeAtPoint methods to this object. Each RenderRegion will actually be a viewPort 47 // and nodeAtPoint methods to this object. Each RenderRegion will actually be a viewPort
48 // of the RenderFlowThread. 48 // of the RenderFlowThread.
49 49
50 class RenderFlowThread: public RenderBlockFlow { 50 class RenderFlowThread: public RenderBlockFlow {
51 public: 51 public:
52 RenderFlowThread(); 52 RenderFlowThread();
53 virtual ~RenderFlowThread() { }; 53 virtual ~RenderFlowThread() { };
54 54
55 virtual bool isRenderFlowThread() const override final { return true; } 55 virtual bool isRenderFlowThread() const override final { return true; }
56 virtual bool isRenderMultiColumnFlowThread() const { return false; } 56 virtual bool isRenderMultiColumnFlowThread() const { return false; }
57 virtual bool isRenderPagedFlowThread() const { return false; } 57 virtual bool isRenderPagedFlowThread() const { return false; }
58 58
59 virtual bool supportsPaintInvalidationStateCachedOffsets() const override { return false; } 59 virtual bool supportsPaintInvalidationStateCachedOffsets() const override { return false; }
60 60
61 virtual void layout() override; 61 virtual void layout() override;
62 62
63 // Always create a RenderLayer for the RenderFlowThread so that we 63 // Always create a Layer for the RenderFlowThread so that we
64 // can easily avoid drawing the children directly. 64 // can easily avoid drawing the children directly.
65 virtual LayerType layerTypeRequired() const override final { return NormalLa yer; } 65 virtual LayerType layerTypeRequired() const override final { return NormalLa yer; }
66 66
67 // Skip past a column spanner during flow thread layout. Spanners are not la id out inside the 67 // Skip past a column spanner during flow thread layout. Spanners are not la id out inside the
68 // flow thread, since the flow thread is not in a spanner's containing block chain (since the 68 // flow thread, since the flow thread is not in a spanner's containing block chain (since the
69 // containing block is the multicol container). If the spanner follows right after a column set 69 // containing block is the multicol container). If the spanner follows right after a column set
70 // (as opposed to following another spanner), we may have to stretch the flo w thread to ensure 70 // (as opposed to following another spanner), we may have to stretch the flo w thread to ensure
71 // completely filled columns in the preceding column set. Return this adjust ment, if any. 71 // completely filled columns in the preceding column set. Return this adjust ment, if any.
72 virtual LayoutUnit skipColumnSpanner(RenderBox*, LayoutUnit logicalTopInFlow Thread) { return LayoutUnit(); } 72 virtual LayoutUnit skipColumnSpanner(RenderBox*, LayoutUnit logicalTopInFlow Thread) { return LayoutUnit(); }
73 73
74 virtual void flowThreadDescendantWasInserted(RenderObject*) { } 74 virtual void flowThreadDescendantWasInserted(RenderObject*) { }
75 virtual void flowThreadDescendantWillBeRemoved(RenderObject*) { } 75 virtual void flowThreadDescendantWillBeRemoved(RenderObject*) { }
76 76
77 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct ion) override final; 77 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct ion) override final;
78 78
79 virtual void addRegionToThread(RenderMultiColumnSet*) = 0; 79 virtual void addRegionToThread(RenderMultiColumnSet*) = 0;
80 virtual void removeRegionFromThread(RenderMultiColumnSet*); 80 virtual void removeRegionFromThread(RenderMultiColumnSet*);
81 81
82 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic alTop, LogicalExtentComputedValues&) const override; 82 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic alTop, LogicalExtentComputedValues&) const override;
83 83
84 bool hasRegions() const { return m_multiColumnSetList.size(); } 84 bool hasRegions() const { return m_multiColumnSetList.size(); }
85 85
86 void validateRegions(); 86 void validateRegions();
87 void invalidateRegions(); 87 void invalidateRegions();
88 bool hasValidRegionInfo() const { return !m_regionsInvalidated && !m_multiCo lumnSetList.isEmpty(); } 88 bool hasValidRegionInfo() const { return !m_regionsInvalidated && !m_multiCo lumnSetList.isEmpty(); }
89 89
90 virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const o verride; 90 virtual void mapRectToPaintInvalidationBacking(const LayoutLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const o verride;
91 91
92 LayoutUnit pageLogicalHeightForOffset(LayoutUnit); 92 LayoutUnit pageLogicalHeightForOffset(LayoutUnit);
93 LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule = IncludePageBoundary); 93 LayoutUnit pageRemainingLogicalHeightForOffset(LayoutUnit, PageBoundaryRule = IncludePageBoundary);
94 94
95 virtual void setPageBreak(LayoutUnit /*offset*/, LayoutUnit /*spaceShortage* /) { } 95 virtual void setPageBreak(LayoutUnit /*offset*/, LayoutUnit /*spaceShortage* /) { }
96 virtual void updateMinimumPageHeight(LayoutUnit /*offset*/, LayoutUnit /*min Height*/) { } 96 virtual void updateMinimumPageHeight(LayoutUnit /*offset*/, LayoutUnit /*min Height*/) { }
97 97
98 bool regionsHaveUniformLogicalHeight() const { return m_regionsHaveUniformLo gicalHeight; } 98 bool regionsHaveUniformLogicalHeight() const { return m_regionsHaveUniformLo gicalHeight; }
99 99
100 // FIXME: These 2 functions should return a RenderMultiColumnSet. 100 // FIXME: These 2 functions should return a RenderMultiColumnSet.
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164 }; 164 };
165 165
166 template <> struct ValueToString<RenderMultiColumnSet*> { 166 template <> struct ValueToString<RenderMultiColumnSet*> {
167 static String string(const RenderMultiColumnSet* value) { return String::for mat("%p", value); } 167 static String string(const RenderMultiColumnSet* value) { return String::for mat("%p", value); }
168 }; 168 };
169 #endif 169 #endif
170 170
171 } // namespace blink 171 } // namespace blink
172 172
173 #endif // RenderFlowThread_h 173 #endif // RenderFlowThread_h
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