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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 #include "core/dom/StaticRange.h" | |
8 | |
9 #include "bindings/core/v8/ExceptionState.h" | |
10 #include "bindings/core/v8/ScriptState.h" | |
11 #include "core/dom/Range.h" | |
12 #include "core/frame/LocalDOMWindow.h" | |
13 | |
14 namespace blink { | |
15 | |
16 StaticRange::StaticRange() | |
17 : m_startContainer(nullptr) | |
18 , m_startOffset(0) | |
19 , m_endContainer(nullptr) | |
20 , m_endOffset(0) | |
21 { | |
22 } | |
23 | |
24 StaticRange::StaticRange(Node* startContainer, int startOffset, Node* endContain er, int endOffset) | |
25 : m_startContainer(startContainer) | |
26 , m_startOffset(startOffset) | |
27 , m_endContainer(endContainer) | |
28 , m_endOffset(endOffset) | |
29 { | |
30 } | |
31 | |
32 void StaticRange::setStart(Node* container, int offset) | |
33 { | |
34 m_startContainer = container; | |
35 m_startOffset = offset; | |
36 } | |
37 | |
38 void StaticRange::setEnd(Node* container, int offset) | |
39 { | |
40 m_endContainer = container; | |
41 m_endOffset = offset; | |
42 } | |
43 | |
44 Range* StaticRange::toRange(ScriptState* scriptState, ExceptionState& exceptionS tate) const | |
45 { | |
46 return toRangeImpl(*scriptState->domWindow()->document(), exceptionState); | |
dtapuska
2016/06/02 15:26:29
Is this correct? does this work across iframes?
chongz
2016/06/06 19:43:43
Fixed by passing |Document| to constructor.
| |
47 } | |
48 | |
49 Range* StaticRange::toRangeImpl(Document& document, ExceptionState& exceptionSta te) const | |
50 { | |
51 Range* range = Range::create(document); | |
52 // Do the offset checking. | |
53 range->setStart(m_startContainer, m_startOffset, exceptionState); | |
54 range->setEnd(m_endContainer, m_endOffset, exceptionState); | |
55 return range; | |
56 } | |
57 | |
58 DEFINE_TRACE(StaticRange) | |
59 { | |
60 visitor->trace(m_startContainer); | |
61 visitor->trace(m_endContainer); | |
62 } | |
63 | |
64 } // namespace blink | |
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