OLD | NEW |
---|---|
(Empty) | |
1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef RenderedTextMatchMarker_h | |
6 #define RenderedTextMatchMarker_h | |
7 | |
8 #include <utility> | |
9 #include "core/editing/markers/DocumentMarker.h" | |
10 #include "platform/geometry/LayoutRect.h" | |
11 | |
12 namespace blink { | |
13 | |
14 class RenderedTextMatchMarker : public DocumentMarker { | |
Xiaocheng
2017/03/21 03:59:44
How about just naming it |TextMatchMarker|? "Rende
| |
15 public: | |
16 static RenderedTextMatchMarker* create(const DocumentMarker& marker) { | |
17 DCHECK(marker.type() == DocumentMarker::TextMatch); | |
18 return new RenderedTextMatchMarker(marker); | |
19 } | |
20 | |
21 bool isRendered() const { return m_state == State::ValidNotNull; } | |
22 | |
23 void setRenderedRect(const LayoutRect& rect) { | |
24 if (m_state == State::ValidNotNull && rect == m_renderedRect) | |
25 return; | |
26 m_state = State::ValidNotNull; | |
27 m_renderedRect = rect; | |
28 } | |
29 | |
30 const LayoutRect& renderedRect() const { | |
31 DCHECK_EQ(m_state, State::ValidNotNull); | |
32 return m_renderedRect; | |
33 } | |
34 | |
35 void updateRenderedRectIfNeeded(const Node&); | |
36 void updateRenderedRect(const Node&); | |
37 | |
38 void nullifyRenderedRect() { | |
39 m_state = State::ValidNull; | |
40 // Now |m_renderedRect| can not be accessed until |setRenderedRect| is | |
41 // called. | |
42 } | |
43 | |
44 void invalidate() { m_state = State::Invalid; } | |
45 bool isValid() const { return m_state != State::Invalid; } | |
46 | |
47 bool isRenderedTextMatch() const final; | |
48 | |
49 private: | |
50 explicit RenderedTextMatchMarker(const DocumentMarker& marker) | |
51 : DocumentMarker(marker), m_state(State::Invalid) {} | |
52 | |
53 enum class State { Invalid, ValidNull, ValidNotNull }; | |
54 | |
55 LayoutRect m_renderedRect; | |
56 State m_state; | |
57 }; | |
58 | |
59 DEFINE_TYPE_CASTS(RenderedTextMatchMarker, | |
60 DocumentMarker, | |
61 marker, | |
62 marker->isRenderedTextMatch(), | |
63 marker.isRenderedTextMatch()); | |
64 | |
65 } // namespace blink | |
66 | |
67 #endif // RenderedTextMatchMarker_h | |
OLD | NEW |