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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 ScrollDisplayItem_h | 5 #ifndef ScrollDisplayItem_h |
6 #define ScrollDisplayItem_h | 6 #define ScrollDisplayItem_h |
7 | 7 |
8 #include "platform/geometry/IntSize.h" | 8 #include "platform/geometry/IntSize.h" |
9 #include "platform/graphics/paint/DisplayItem.h" | 9 #include "platform/graphics/paint/DisplayItem.h" |
10 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
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22 | 22 |
23 void replay(GraphicsContext&) const override; | 23 void replay(GraphicsContext&) const override; |
24 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; | 24 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; |
25 | 25 |
26 const IntSize& currentOffset() const { return m_currentOffset; } | 26 const IntSize& currentOffset() const { return m_currentOffset; } |
27 | 27 |
28 private: | 28 private: |
29 #ifndef NDEBUG | 29 #ifndef NDEBUG |
30 void dumpPropertiesAsDebugString(WTF::StringBuilder&) const final; | 30 void dumpPropertiesAsDebugString(WTF::StringBuilder&) const final; |
31 #endif | 31 #endif |
32 #if ENABLE(ASSERT) | |
33 bool equals(const DisplayItem& other) const final | 32 bool equals(const DisplayItem& other) const final |
34 { | 33 { |
35 return DisplayItem::equals(other) | 34 return DisplayItem::equals(other) |
36 && m_currentOffset == static_cast<const BeginScrollDisplayItem&>(oth
er).m_currentOffset; | 35 && m_currentOffset == static_cast<const BeginScrollDisplayItem&>(oth
er).m_currentOffset; |
37 } | 36 } |
38 #endif | |
39 | 37 |
40 const IntSize m_currentOffset; | 38 const IntSize m_currentOffset; |
41 }; | 39 }; |
42 | 40 |
43 class PLATFORM_EXPORT EndScrollDisplayItem final : public PairedEndDisplayItem { | 41 class PLATFORM_EXPORT EndScrollDisplayItem final : public PairedEndDisplayItem { |
44 public: | 42 public: |
45 EndScrollDisplayItem(const DisplayItemClient& client, Type type) | 43 EndScrollDisplayItem(const DisplayItemClient& client, Type type) |
46 : PairedEndDisplayItem(client, type, sizeof(*this)) | 44 : PairedEndDisplayItem(client, type, sizeof(*this)) |
47 { | 45 { |
48 ASSERT(isEndScrollType(type)); | 46 ASSERT(isEndScrollType(type)); |
49 } | 47 } |
50 | 48 |
51 void replay(GraphicsContext&) const override; | 49 void replay(GraphicsContext&) const override; |
52 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; | 50 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; |
53 | 51 |
54 private: | 52 private: |
55 #if ENABLE(ASSERT) | 53 #if ENABLE(ASSERT) |
56 bool isEndAndPairedWith(DisplayItem::Type otherType) const final { return Di
splayItem::isScrollType(otherType); } | 54 bool isEndAndPairedWith(DisplayItem::Type otherType) const final { return Di
splayItem::isScrollType(otherType); } |
57 #endif | 55 #endif |
58 }; | 56 }; |
59 | 57 |
60 } // namespace blink | 58 } // namespace blink |
61 | 59 |
62 #endif // ScrollDisplayItem_h | 60 #endif // ScrollDisplayItem_h |
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