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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) |
32 bool equals(const DisplayItem& other) const final | 33 bool equals(const DisplayItem& other) const final |
33 { | 34 { |
34 return DisplayItem::equals(other) | 35 return DisplayItem::equals(other) |
35 && m_currentOffset == static_cast<const BeginScrollDisplayItem&>(oth
er).m_currentOffset; | 36 && m_currentOffset == static_cast<const BeginScrollDisplayItem&>(oth
er).m_currentOffset; |
36 } | 37 } |
| 38 #endif |
37 | 39 |
38 const IntSize m_currentOffset; | 40 const IntSize m_currentOffset; |
39 }; | 41 }; |
40 | 42 |
41 class PLATFORM_EXPORT EndScrollDisplayItem final : public PairedEndDisplayItem { | 43 class PLATFORM_EXPORT EndScrollDisplayItem final : public PairedEndDisplayItem { |
42 public: | 44 public: |
43 EndScrollDisplayItem(const DisplayItemClient& client, Type type) | 45 EndScrollDisplayItem(const DisplayItemClient& client, Type type) |
44 : PairedEndDisplayItem(client, type, sizeof(*this)) | 46 : PairedEndDisplayItem(client, type, sizeof(*this)) |
45 { | 47 { |
46 ASSERT(isEndScrollType(type)); | 48 ASSERT(isEndScrollType(type)); |
47 } | 49 } |
48 | 50 |
49 void replay(GraphicsContext&) const override; | 51 void replay(GraphicsContext&) const override; |
50 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; | 52 void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const o
verride; |
51 | 53 |
52 private: | 54 private: |
53 #if ENABLE(ASSERT) | 55 #if ENABLE(ASSERT) |
54 bool isEndAndPairedWith(DisplayItem::Type otherType) const final { return Di
splayItem::isScrollType(otherType); } | 56 bool isEndAndPairedWith(DisplayItem::Type otherType) const final { return Di
splayItem::isScrollType(otherType); } |
55 #endif | 57 #endif |
56 }; | 58 }; |
57 | 59 |
58 } // namespace blink | 60 } // namespace blink |
59 | 61 |
60 #endif // ScrollDisplayItem_h | 62 #endif // ScrollDisplayItem_h |
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