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| 1 /* | |
| 2 * Copyright (C) 2011 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Neither the name of Google Inc. nor the names of its | |
| 11 * contributors may be used to endorse or promote products derived from | |
| 12 * this software without specific prior written permission. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #ifndef RenderedDocumentMarker_h | |
| 28 #define RenderedDocumentMarker_h | |
| 29 | |
| 30 #include "core/editing/markers/DocumentMarker.h" | |
| 31 #include "platform/geometry/LayoutRect.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 class RenderedDocumentMarker final : public DocumentMarker { | |
| 36 private: | |
| 37 enum class State { Invalid, ValidNull, ValidNotNull }; | |
| 38 | |
| 39 public: | |
| 40 static RenderedDocumentMarker* create(const DocumentMarker& marker) { | |
| 41 return new RenderedDocumentMarker(marker); | |
| 42 } | |
| 43 | |
| 44 RenderedDocumentMarker* clone() const final; | |
| 45 | |
| 46 bool isRendered() const { return m_state == State::ValidNotNull; } | |
| 47 bool contains(const LayoutPoint& point) const { | |
| 48 DCHECK_EQ(m_state, State::ValidNotNull); | |
| 49 return m_renderedRect.contains(point); | |
| 50 } | |
| 51 void setRenderedRect(const LayoutRect& rect) { | |
| 52 if (m_state == State::ValidNotNull && rect == m_renderedRect) | |
| 53 return; | |
| 54 m_state = State::ValidNotNull; | |
| 55 m_renderedRect = rect; | |
| 56 } | |
| 57 | |
| 58 const LayoutRect& renderedRect() const { | |
| 59 DCHECK_EQ(m_state, State::ValidNotNull); | |
| 60 return m_renderedRect; | |
| 61 } | |
| 62 | |
| 63 void nullifyRenderedRect() { | |
| 64 m_state = State::ValidNull; | |
| 65 // Now |m_renderedRect| can not be accessed until |setRenderedRect| is | |
| 66 // called. | |
| 67 } | |
| 68 | |
| 69 void invalidate() { m_state = State::Invalid; } | |
| 70 bool isValid() const { return m_state != State::Invalid; } | |
| 71 | |
| 72 protected: | |
| 73 RenderedDocumentMarker(RenderedDocumentMarker&) = default; | |
| 74 | |
| 75 private: | |
| 76 explicit RenderedDocumentMarker(const DocumentMarker& marker) | |
| 77 : DocumentMarker(marker), m_state(State::Invalid) {} | |
| 78 | |
| 79 LayoutRect m_renderedRect; | |
| 80 State m_state; | |
| 81 }; | |
| 82 | |
| 83 DEFINE_TYPE_CASTS(RenderedDocumentMarker, DocumentMarker, marker, true, true); | |
| 84 | |
| 85 } // namespace blink | |
| 86 | |
| 87 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS( | |
| 88 blink::RenderedDocumentMarker); | |
| 89 | |
| 90 #endif | |
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Chromium Code Reviews
Issue 2723663002:
Refactor DocumentMarkerController (Closed)
