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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, |
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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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