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Side by Side Diff: third_party/WebKit/Source/core/paint/LayoutObjectDrawingRecorder.h

Issue 2872423002: Tweak PaintInvalidationReasons (Closed)
Patch Set: Rebaseline-cl Created 3 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef LayoutObjectDrawingRecorder_h 5 #ifndef LayoutObjectDrawingRecorder_h
6 #define LayoutObjectDrawingRecorder_h 6 #define LayoutObjectDrawingRecorder_h
7 7
8 #include "core/layout/LayoutObject.h" 8 #include "core/layout/LayoutObject.h"
9 #include "core/paint/PaintPhase.h" 9 #include "core/paint/PaintPhase.h"
10 #include "platform/geometry/LayoutPoint.h" 10 #include "platform/geometry/LayoutPoint.h"
11 #include "platform/geometry/LayoutRect.h" 11 #include "platform/geometry/LayoutRect.h"
12 #include "platform/graphics/paint/DisplayItemCacheSkipper.h" 12 #include "platform/graphics/paint/DisplayItemCacheSkipper.h"
13 #include "platform/graphics/paint/DrawingRecorder.h" 13 #include "platform/graphics/paint/DrawingRecorder.h"
14 #include "platform/wtf/Allocator.h" 14 #include "platform/wtf/Allocator.h"
15 #include "platform/wtf/Optional.h" 15 #include "platform/wtf/Optional.h"
16 16
17 namespace blink { 17 namespace blink {
18 18
19 class GraphicsContext; 19 class GraphicsContext;
20 20
21 // Convenience wrapper of DrawingRecorder for LayoutObject painters. 21 // Convenience wrapper of DrawingRecorder for LayoutObject painters.
22 class LayoutObjectDrawingRecorder final { 22 class LayoutObjectDrawingRecorder final {
23 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); 23 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
24 24
25 public: 25 public:
26 static bool UseCachedDrawingIfPossible(GraphicsContext& context, 26 static bool UseCachedDrawingIfPossible(GraphicsContext& context,
27 const LayoutObject& layout_object, 27 const LayoutObject& layout_object,
28 DisplayItem::Type display_item_type) { 28 DisplayItem::Type display_item_type) {
29 if (layout_object.FullPaintInvalidationReason() == 29 if (layout_object.FullPaintInvalidationReason() ==
30 kPaintInvalidationDelayedFull) 30 PaintInvalidationReason::kDelayedFull)
31 return false; 31 return false;
32 return DrawingRecorder::UseCachedDrawingIfPossible(context, layout_object, 32 return DrawingRecorder::UseCachedDrawingIfPossible(context, layout_object,
33 display_item_type); 33 display_item_type);
34 } 34 }
35 35
36 static bool UseCachedDrawingIfPossible(GraphicsContext& context, 36 static bool UseCachedDrawingIfPossible(GraphicsContext& context,
37 const LayoutObject& layout_object, 37 const LayoutObject& layout_object,
38 PaintPhase phase) { 38 PaintPhase phase) {
39 return UseCachedDrawingIfPossible( 39 return UseCachedDrawingIfPossible(
40 context, layout_object, DisplayItem::PaintPhaseToDrawingType(phase)); 40 context, layout_object, DisplayItem::PaintPhaseToDrawingType(phase));
41 } 41 }
42 42
43 LayoutObjectDrawingRecorder(GraphicsContext& context, 43 LayoutObjectDrawingRecorder(GraphicsContext& context,
44 const LayoutObject& layout_object, 44 const LayoutObject& layout_object,
45 DisplayItem::Type display_item_type, 45 DisplayItem::Type display_item_type,
46 const FloatRect& clip) { 46 const FloatRect& clip) {
47 // We may paint a delayed-invalidation object before it's actually 47 // We may paint a delayed-invalidation object before it's actually
48 // invalidated. 48 // invalidated.
49 if (layout_object.FullPaintInvalidationReason() == 49 if (layout_object.FullPaintInvalidationReason() ==
50 kPaintInvalidationDelayedFull) 50 PaintInvalidationReason::kDelayedFull)
51 cache_skipper_.emplace(context); 51 cache_skipper_.emplace(context);
52 drawing_recorder_.emplace(context, layout_object, display_item_type, clip); 52 drawing_recorder_.emplace(context, layout_object, display_item_type, clip);
53 } 53 }
54 54
55 LayoutObjectDrawingRecorder(GraphicsContext& context, 55 LayoutObjectDrawingRecorder(GraphicsContext& context,
56 const LayoutObject& layout_object, 56 const LayoutObject& layout_object,
57 DisplayItem::Type display_item_type, 57 DisplayItem::Type display_item_type,
58 const LayoutRect& clip) 58 const LayoutRect& clip)
59 : LayoutObjectDrawingRecorder(context, 59 : LayoutObjectDrawingRecorder(context,
60 layout_object, 60 layout_object,
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
94 } 94 }
95 95
96 private: 96 private:
97 Optional<DisplayItemCacheSkipper> cache_skipper_; 97 Optional<DisplayItemCacheSkipper> cache_skipper_;
98 Optional<DrawingRecorder> drawing_recorder_; 98 Optional<DrawingRecorder> drawing_recorder_;
99 }; 99 };
100 100
101 } // namespace blink 101 } // namespace blink
102 102
103 #endif // LayoutObjectDrawingRecorder_h 103 #endif // LayoutObjectDrawingRecorder_h
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