1 /*
2 * Copyright (C) 2005, 2006, 2008, 2011 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/history/HistoryItem.h"
28
29 #include "core/dom/Document.h"
30 #include "platform/network/ResourceRequest.h"
31 #include "wtf/CurrentTime.h"
32 #include "wtf/text/CString.h"
33
34 namespace WebCore {
35
generateSequenceNumber()36 static long long generateSequenceNumber()
37 {
38 // Initialize to the current time to reduce the likelihood of generating
39 // identifiers that overlap with those from past/future browser sessions.
40 static long long next = static_cast<long long>(currentTime() * 1000000.0);
41 return ++next;
42 }
43
HistoryItem()44 HistoryItem::HistoryItem()
45 : m_pageScaleFactor(0)
46 , m_itemSequenceNumber(generateSequenceNumber())
47 , m_documentSequenceNumber(generateSequenceNumber())
48 , m_targetFrameID(0)
49 {
50 }
51
~HistoryItem()52 HistoryItem::~HistoryItem()
53 {
54 }
55
HistoryItem(const HistoryItem & item)56 inline HistoryItem::HistoryItem(const HistoryItem& item)
57 : RefCounted<HistoryItem>()
58 , m_urlString(item.m_urlString)
59 , m_originalURLString(item.m_originalURLString)
60 , m_referrer(item.m_referrer)
61 , m_target(item.m_target)
62 , m_scrollPoint(item.m_scrollPoint)
63 , m_pageScaleFactor(item.m_pageScaleFactor)
64 , m_documentState(item.m_documentState)
65 , m_itemSequenceNumber(item.m_itemSequenceNumber)
66 , m_documentSequenceNumber(item.m_documentSequenceNumber)
67 , m_targetFrameID(item.m_targetFrameID)
68 , m_stateObject(item.m_stateObject)
69 , m_formContentType(item.m_formContentType)
70 {
71 if (item.m_formData)
72 m_formData = item.m_formData->copy();
73
74 unsigned size = item.m_children.size();
75 m_children.reserveInitialCapacity(size);
76 for (unsigned i = 0; i < size; ++i)
77 m_children.uncheckedAppend(item.m_children[i]->copy());
78 }
79
copy() const80 PassRefPtr<HistoryItem> HistoryItem::copy() const
81 {
82 return adoptRef(new HistoryItem(*this));
83 }
84
reset()85 void HistoryItem::reset()
86 {
87 m_urlString = String();
88 m_originalURLString = String();
89 m_referrer = nullAtom;
90 m_target = String();
91 m_itemSequenceNumber = generateSequenceNumber();
92 m_stateObject = 0;
93 m_documentSequenceNumber = generateSequenceNumber();
94 m_targetFrameID = 0;
95 m_formData = 0;
96 m_formContentType = nullAtom;
97 clearChildren();
98 }
99
urlString() const100 const String& HistoryItem::urlString() const
101 {
102 return m_urlString;
103 }
104
105 // The first URL we loaded to get to where this history item points. Includes both client
106 // and server redirects.
originalURLString() const107 const String& HistoryItem::originalURLString() const
108 {
109 return m_originalURLString;
110 }
111
url() const112 KURL HistoryItem::url() const
113 {
114 return KURL(ParsedURLString, m_urlString);
115 }
116
originalURL() const117 KURL HistoryItem::originalURL() const
118 {
119 return KURL(ParsedURLString, m_originalURLString);
120 }
121
referrer() const122 const AtomicString& HistoryItem::referrer() const
123 {
124 return m_referrer;
125 }
126
target() const127 const String& HistoryItem::target() const
128 {
129 return m_target;
130 }
131
setURLString(const String & urlString)132 void HistoryItem::setURLString(const String& urlString)
133 {
134 if (m_urlString != urlString)
135 m_urlString = urlString;
136 }
137
setURL(const KURL & url)138 void HistoryItem::setURL(const KURL& url)
139 {
140 setURLString(url.string());
141 clearDocumentState();
142 }
143
setOriginalURLString(const String & urlString)144 void HistoryItem::setOriginalURLString(const String& urlString)
145 {
146 m_originalURLString = urlString;
147 }
148
setReferrer(const AtomicString & referrer)149 void HistoryItem::setReferrer(const AtomicString& referrer)
150 {
151 m_referrer = referrer;
152 }
153
setTarget(const String & target)154 void HistoryItem::setTarget(const String& target)
155 {
156 m_target = target;
157 }
158
scrollPoint() const159 const IntPoint& HistoryItem::scrollPoint() const
160 {
161 return m_scrollPoint;
162 }
163
setScrollPoint(const IntPoint & point)164 void HistoryItem::setScrollPoint(const IntPoint& point)
165 {
166 m_scrollPoint = point;
167 }
168
clearScrollPoint()169 void HistoryItem::clearScrollPoint()
170 {
171 m_scrollPoint.setX(0);
172 m_scrollPoint.setY(0);
173 }
174
pageScaleFactor() const175 float HistoryItem::pageScaleFactor() const
176 {
177 return m_pageScaleFactor;
178 }
179
setPageScaleFactor(float scaleFactor)180 void HistoryItem::setPageScaleFactor(float scaleFactor)
181 {
182 m_pageScaleFactor = scaleFactor;
183 }
184
setDocumentState(const Vector<String> & state)185 void HistoryItem::setDocumentState(const Vector<String>& state)
186 {
187 m_documentState = state;
188 }
189
documentState() const190 const Vector<String>& HistoryItem::documentState() const
191 {
192 return m_documentState;
193 }
194
clearDocumentState()195 void HistoryItem::clearDocumentState()
196 {
197 m_documentState.clear();
198 }
199
setStateObject(PassRefPtr<SerializedScriptValue> object)200 void HistoryItem::setStateObject(PassRefPtr<SerializedScriptValue> object)
201 {
202 m_stateObject = object;
203 }
204
addChildItem(PassRefPtr<HistoryItem> child)205 void HistoryItem::addChildItem(PassRefPtr<HistoryItem> child)
206 {
207 m_children.append(child);
208 }
209
children() const210 const HistoryItemVector& HistoryItem::children() const
211 {
212 return m_children;
213 }
214
clearChildren()215 void HistoryItem::clearChildren()
216 {
217 m_children.clear();
218 }
219
formContentType() const220 const AtomicString& HistoryItem::formContentType() const
221 {
222 return m_formContentType;
223 }
224
setFormInfoFromRequest(const ResourceRequest & request)225 void HistoryItem::setFormInfoFromRequest(const ResourceRequest& request)
226 {
227 m_referrer = request.httpReferrer();
228
229 if (equalIgnoringCase(request.httpMethod(), "POST")) {
230 // FIXME: Eventually we have to make this smart enough to handle the case where
231 // we have a stream for the body to handle the "data interspersed with files" feature.
232 m_formData = request.httpBody();
233 m_formContentType = request.httpContentType();
234 } else {
235 m_formData = 0;
236 m_formContentType = nullAtom;
237 }
238 }
239
setFormData(PassRefPtr<FormData> formData)240 void HistoryItem::setFormData(PassRefPtr<FormData> formData)
241 {
242 m_formData = formData;
243 }
244
setFormContentType(const AtomicString & formContentType)245 void HistoryItem::setFormContentType(const AtomicString& formContentType)
246 {
247 m_formContentType = formContentType;
248 }
249
formData()250 FormData* HistoryItem::formData()
251 {
252 return m_formData.get();
253 }
254
isCurrentDocument(Document * doc) const255 bool HistoryItem::isCurrentDocument(Document* doc) const
256 {
257 // FIXME: We should find a better way to check if this is the current document.
258 return equalIgnoringFragmentIdentifier(url(), doc->url());
259 }
260
261 } // namespace WebCore
262
263