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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Neither the name of Google Inc. nor the names of its | 10 * * Neither the name of Google Inc. nor the names of its |
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34 | 34 |
35 class RenderedDocumentMarker final : public DocumentMarker { | 35 class RenderedDocumentMarker final : public DocumentMarker { |
36 private: | 36 private: |
37 enum class State { Invalid, ValidNull, ValidNotNull }; | 37 enum class State { Invalid, ValidNull, ValidNotNull }; |
38 | 38 |
39 public: | 39 public: |
40 static RenderedDocumentMarker* create(const DocumentMarker& marker) { | 40 static RenderedDocumentMarker* create(const DocumentMarker& marker) { |
41 return new RenderedDocumentMarker(marker); | 41 return new RenderedDocumentMarker(marker); |
42 } | 42 } |
43 | 43 |
| 44 RenderedDocumentMarker* clone() const final; |
| 45 |
44 bool isRendered() const { return m_state == State::ValidNotNull; } | 46 bool isRendered() const { return m_state == State::ValidNotNull; } |
45 bool contains(const LayoutPoint& point) const { | 47 bool contains(const LayoutPoint& point) const { |
46 DCHECK_EQ(m_state, State::ValidNotNull); | 48 DCHECK_EQ(m_state, State::ValidNotNull); |
47 return m_renderedRect.contains(point); | 49 return m_renderedRect.contains(point); |
48 } | 50 } |
49 void setRenderedRect(const LayoutRect& rect) { | 51 void setRenderedRect(const LayoutRect& rect) { |
50 if (m_state == State::ValidNotNull && rect == m_renderedRect) | 52 if (m_state == State::ValidNotNull && rect == m_renderedRect) |
51 return; | 53 return; |
52 m_state = State::ValidNotNull; | 54 m_state = State::ValidNotNull; |
53 m_renderedRect = rect; | 55 m_renderedRect = rect; |
54 } | 56 } |
55 | 57 |
56 const LayoutRect& renderedRect() const { | 58 const LayoutRect& renderedRect() const { |
57 DCHECK_EQ(m_state, State::ValidNotNull); | 59 DCHECK_EQ(m_state, State::ValidNotNull); |
58 return m_renderedRect; | 60 return m_renderedRect; |
59 } | 61 } |
60 | 62 |
61 void nullifyRenderedRect() { | 63 void nullifyRenderedRect() { |
62 m_state = State::ValidNull; | 64 m_state = State::ValidNull; |
63 // Now |m_renderedRect| can not be accessed until |setRenderedRect| is | 65 // Now |m_renderedRect| can not be accessed until |setRenderedRect| is |
64 // called. | 66 // called. |
65 } | 67 } |
66 | 68 |
67 void invalidate() { m_state = State::Invalid; } | 69 void invalidate() { m_state = State::Invalid; } |
68 bool isValid() const { return m_state != State::Invalid; } | 70 bool isValid() const { return m_state != State::Invalid; } |
69 | 71 |
| 72 protected: |
| 73 RenderedDocumentMarker(RenderedDocumentMarker&) = default; |
| 74 |
70 private: | 75 private: |
71 explicit RenderedDocumentMarker(const DocumentMarker& marker) | 76 explicit RenderedDocumentMarker(const DocumentMarker& marker) |
72 : DocumentMarker(marker), m_state(State::Invalid) {} | 77 : DocumentMarker(marker), m_state(State::Invalid) {} |
73 | 78 |
74 LayoutRect m_renderedRect; | 79 LayoutRect m_renderedRect; |
75 State m_state; | 80 State m_state; |
76 }; | 81 }; |
77 | 82 |
78 DEFINE_TYPE_CASTS(RenderedDocumentMarker, DocumentMarker, marker, true, true); | 83 DEFINE_TYPE_CASTS(RenderedDocumentMarker, DocumentMarker, marker, true, true); |
79 | 84 |
80 } // namespace blink | 85 } // namespace blink |
81 | 86 |
82 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS( | 87 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS( |
83 blink::RenderedDocumentMarker); | 88 blink::RenderedDocumentMarker); |
84 | 89 |
85 #endif | 90 #endif |
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