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1 /* | 1 /* |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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41 #include "wtf/MainThread.h" | 41 #include "wtf/MainThread.h" |
42 | 42 |
43 namespace blink { | 43 namespace blink { |
44 | 44 |
45 History::History(LocalFrame* frame) | 45 History::History(LocalFrame* frame) |
46 : DOMWindowProperty(frame) | 46 : DOMWindowProperty(frame) |
47 , m_lastStateObjectRequested(nullptr) | 47 , m_lastStateObjectRequested(nullptr) |
48 { | 48 { |
49 } | 49 } |
50 | 50 |
| 51 void History::trace(Visitor* visitor) |
| 52 { |
| 53 DOMWindowProperty::trace(visitor); |
| 54 } |
| 55 |
51 unsigned History::length() const | 56 unsigned History::length() const |
52 { | 57 { |
53 if (!m_frame) | 58 if (!m_frame) |
54 return 0; | 59 return 0; |
55 if (!m_frame->page()) | 60 if (!m_frame->page()) |
56 return 0; | 61 return 0; |
57 return m_frame->page()->backForward().backForwardListCount(); | 62 return m_frame->page()->backForward().backForwardListCount(); |
58 } | 63 } |
59 | 64 |
60 SerializedScriptValue* History::state() | 65 SerializedScriptValue* History::state() |
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130 KURL fullURL = urlForState(urlString); | 135 KURL fullURL = urlForState(urlString); |
131 if (!fullURL.isValid() || !m_frame->document()->securityOrigin()->canRequest
(fullURL)) { | 136 if (!fullURL.isValid() || !m_frame->document()->securityOrigin()->canRequest
(fullURL)) { |
132 // We can safely expose the URL to JavaScript, as a) no redirection take
s place: JavaScript already had this URL, b) JavaScript can only access a same-o
rigin History object. | 137 // We can safely expose the URL to JavaScript, as a) no redirection take
s place: JavaScript already had this URL, b) JavaScript can only access a same-o
rigin History object. |
133 exceptionState.throwSecurityError("A history state object with URL '" +
fullURL.elidedString() + "' cannot be created in a document with origin '" + m_f
rame->document()->securityOrigin()->toString() + "'."); | 138 exceptionState.throwSecurityError("A history state object with URL '" +
fullURL.elidedString() + "' cannot be created in a document with origin '" + m_f
rame->document()->securityOrigin()->toString() + "'."); |
134 return; | 139 return; |
135 } | 140 } |
136 m_frame->loader().updateForSameDocumentNavigation(fullURL, SameDocumentNavig
ationHistoryApi, data, type); | 141 m_frame->loader().updateForSameDocumentNavigation(fullURL, SameDocumentNavig
ationHistoryApi, data, type); |
137 } | 142 } |
138 | 143 |
139 } // namespace blink | 144 } // namespace blink |
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