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| 1 // Copyright 2016 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 // https://discourse.wicg.io/t/proposal-staticrange-to-be-used-instead-of-range-
for-new-apis/1472 |
| 6 |
| 7 #ifndef StaticRange_h |
| 8 #define StaticRange_h |
| 9 |
| 10 #include "bindings/core/v8/ScriptWrappable.h" |
| 11 #include "core/CoreExport.h" |
| 12 #include "platform/heap/Handle.h" |
| 13 |
| 14 namespace blink { |
| 15 |
| 16 class Document; |
| 17 class ExceptionState; |
| 18 class Range; |
| 19 |
| 20 class CORE_EXPORT StaticRange final : public GarbageCollected<StaticRange>, publ
ic ScriptWrappable { |
| 21 DEFINE_WRAPPERTYPEINFO(); |
| 22 |
| 23 public: |
| 24 static StaticRange* create(Document& document) |
| 25 { |
| 26 return new StaticRange(document); |
| 27 } |
| 28 static StaticRange* create(Document& document, Node* startContainer, int sta
rtOffset, Node* endContainer, int endOffset) |
| 29 { |
| 30 return new StaticRange(document, startContainer, startOffset, endContain
er, endOffset); |
| 31 } |
| 32 |
| 33 Node* startContainer() const { return m_startContainer.get(); } |
| 34 void setStartContainer(Node* startContainer) { m_startContainer = startConta
iner; } |
| 35 |
| 36 int startOffset() const { return m_startOffset; } |
| 37 void setStartOffset(int startOffset) { m_startOffset = startOffset; } |
| 38 |
| 39 Node* endContainer() const { return m_endContainer.get(); } |
| 40 void setEndContainer(Node* endContainer) { m_endContainer = endContainer; } |
| 41 |
| 42 int endOffset() const { return m_endOffset; } |
| 43 void setEndOffset(int endOffset) { m_endOffset = endOffset; } |
| 44 |
| 45 bool collapsed() const { return m_startContainer == m_endContainer && m_star
tOffset == m_endOffset; } |
| 46 |
| 47 void setStart(Node* container, int offset); |
| 48 void setEnd(Node* container, int offset); |
| 49 |
| 50 Range* toRange(ExceptionState&) const; |
| 51 |
| 52 DECLARE_TRACE(); |
| 53 |
| 54 private: |
| 55 explicit StaticRange(Document&); |
| 56 StaticRange(Document&, Node* startContainer, int startOffset, Node* endConta
iner, int endOffset); |
| 57 |
| 58 Member<Document> m_ownerDocument; // Required by |toRange()|. |
| 59 Member<Node> m_startContainer; |
| 60 int m_startOffset; |
| 61 Member<Node> m_endContainer; |
| 62 int m_endOffset; |
| 63 }; |
| 64 |
| 65 using StaticRangeVector = HeapVector<Member<StaticRange>>; |
| 66 |
| 67 } // namespace blink |
| 68 |
| 69 #endif // StaticRange_h |
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