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| 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/TextMatchMarker.h" |
| 10 #include "platform/geometry/LayoutRect.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 class RenderedTextMatchMarker : public TextMatchMarker { |
| 15 public: |
| 16 static RenderedTextMatchMarker* create(const TextMatchMarker& marker) { |
| 17 return new RenderedTextMatchMarker(marker); |
| 18 } |
| 19 |
| 20 bool isRendered() const { return m_state == State::ValidNotNull; } |
| 21 |
| 22 void setRenderedRect(const LayoutRect& rect) { |
| 23 if (m_state == State::ValidNotNull && rect == m_renderedRect) |
| 24 return; |
| 25 m_state = State::ValidNotNull; |
| 26 m_renderedRect = rect; |
| 27 } |
| 28 |
| 29 const LayoutRect& renderedRect() const { |
| 30 DCHECK_EQ(m_state, State::ValidNotNull); |
| 31 return m_renderedRect; |
| 32 } |
| 33 |
| 34 void nullifyRenderedRect() { |
| 35 m_state = State::ValidNull; |
| 36 // Now |m_renderedRect| can not be accessed until |setRenderedRect| is |
| 37 // called. |
| 38 } |
| 39 |
| 40 void invalidate() { m_state = State::Invalid; } |
| 41 bool isValid() const { return m_state != State::Invalid; } |
| 42 |
| 43 bool isRenderedTextMatch() const final; |
| 44 |
| 45 private: |
| 46 explicit RenderedTextMatchMarker(const TextMatchMarker& marker) |
| 47 : TextMatchMarker(marker), m_state(State::Invalid) {} |
| 48 |
| 49 enum class State { Invalid, ValidNull, ValidNotNull }; |
| 50 |
| 51 LayoutRect m_renderedRect; |
| 52 State m_state; |
| 53 }; |
| 54 |
| 55 } // namespace blink |
| 56 |
| 57 #endif // RenderedTextMatchMarker_h |
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