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| 1 /* | |
| 2 * Copyright (C) 2007 Apple 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 | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "core/page/History.h" | |
| 28 | |
| 29 #include "bindings/v8/ExceptionState.h" | |
| 30 #include "bindings/v8/SerializedScriptValue.h" | |
| 31 #include "core/dom/Document.h" | |
| 32 #include "core/dom/ExceptionCode.h" | |
| 33 #include "core/history/BackForwardController.h" | |
| 34 #include "core/history/HistoryItem.h" | |
| 35 #include "core/loader/DocumentLoader.h" | |
| 36 #include "core/loader/FrameLoader.h" | |
| 37 #include "core/loader/FrameLoaderClient.h" | |
| 38 #include "core/page/Frame.h" | |
| 39 #include "core/page/Page.h" | |
| 40 #include "weborigin/KURL.h" | |
| 41 #include "weborigin/SecurityOrigin.h" | |
| 42 #include "wtf/MainThread.h" | |
| 43 | |
| 44 namespace WebCore { | |
| 45 | |
| 46 History::History(Frame* frame) | |
| 47 : DOMWindowProperty(frame) | |
| 48 , m_lastStateObjectRequested(0) | |
| 49 { | |
| 50 ScriptWrappable::init(this); | |
| 51 } | |
| 52 | |
| 53 unsigned History::length() const | |
| 54 { | |
| 55 if (!m_frame) | |
| 56 return 0; | |
| 57 if (!m_frame->page()) | |
| 58 return 0; | |
| 59 return m_frame->page()->backForward().count(); | |
| 60 } | |
| 61 | |
| 62 SerializedScriptValue* History::state() | |
| 63 { | |
| 64 m_lastStateObjectRequested = stateInternal(); | |
| 65 return m_lastStateObjectRequested.get(); | |
| 66 } | |
| 67 | |
| 68 SerializedScriptValue* History::stateInternal() const | |
| 69 { | |
| 70 if (!m_frame) | |
| 71 return 0; | |
| 72 | |
| 73 if (HistoryItem* historyItem = m_frame->loader()->history()->currentItem()) | |
| 74 return historyItem->stateObject(); | |
| 75 | |
| 76 return 0; | |
| 77 } | |
| 78 | |
| 79 bool History::stateChanged() const | |
| 80 { | |
| 81 return m_lastStateObjectRequested != stateInternal(); | |
| 82 } | |
| 83 | |
| 84 bool History::isSameAsCurrentState(SerializedScriptValue* state) const | |
| 85 { | |
| 86 return state == stateInternal(); | |
| 87 } | |
| 88 | |
| 89 void History::back() | |
| 90 { | |
| 91 go(-1); | |
| 92 } | |
| 93 | |
| 94 void History::back(ScriptExecutionContext* context) | |
| 95 { | |
| 96 go(context, -1); | |
| 97 } | |
| 98 | |
| 99 void History::forward() | |
| 100 { | |
| 101 go(1); | |
| 102 } | |
| 103 | |
| 104 void History::forward(ScriptExecutionContext* context) | |
| 105 { | |
| 106 go(context, 1); | |
| 107 } | |
| 108 | |
| 109 void History::go(int distance) | |
| 110 { | |
| 111 if (!m_frame) | |
| 112 return; | |
| 113 | |
| 114 m_frame->navigationScheduler()->scheduleHistoryNavigation(distance); | |
| 115 } | |
| 116 | |
| 117 void History::go(ScriptExecutionContext* context, int distance) | |
| 118 { | |
| 119 if (!m_frame) | |
| 120 return; | |
| 121 | |
| 122 ASSERT(isMainThread()); | |
| 123 Document* activeDocument = toDocument(context); | |
| 124 if (!activeDocument) | |
| 125 return; | |
| 126 | |
| 127 if (!activeDocument->canNavigate(m_frame)) | |
| 128 return; | |
| 129 | |
| 130 m_frame->navigationScheduler()->scheduleHistoryNavigation(distance); | |
| 131 } | |
| 132 | |
| 133 KURL History::urlForState(const String& urlString) | |
| 134 { | |
| 135 Document* document = m_frame->document(); | |
| 136 | |
| 137 if (urlString.isNull()) | |
| 138 return document->url(); | |
| 139 if (urlString.isEmpty()) | |
| 140 return document->baseURL(); | |
| 141 | |
| 142 return KURL(document->baseURL(), urlString); | |
| 143 } | |
| 144 | |
| 145 void History::stateObjectAdded(PassRefPtr<SerializedScriptValue> data, const Str
ing& /* title */, const String& urlString, SameDocumentNavigationSource sameDocu
mentNavigationSource, ExceptionState& es) | |
| 146 { | |
| 147 if (!m_frame || !m_frame->page()) | |
| 148 return; | |
| 149 | |
| 150 KURL fullURL = urlForState(urlString); | |
| 151 if (!fullURL.isValid() || !m_frame->document()->securityOrigin()->canRequest
(fullURL)) { | |
| 152 // 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. | |
| 153 es.throwSecurityError("A history state object with URL '" + fullURL.elid
edString() + "' cannot be created in a document with origin '" + m_frame->docume
nt()->securityOrigin()->toString() + "'."); | |
| 154 return; | |
| 155 } | |
| 156 m_frame->loader()->updateForSameDocumentNavigation(fullURL, sameDocumentNavi
gationSource, data, FrameLoader::DoNotUpdateBackForwardList); | |
| 157 } | |
| 158 | |
| 159 } // namespace WebCore | |
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Chromium Code Reviews
Issue 26848007:
Move Navigation Timing and other various window-level objects out of page/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk