1 // Copyright (c) 2012 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 #include "chrome/browser/bookmarks/bookmark_node_data.h"
6
7 #include <string>
8
9 #include "base/basictypes.h"
10 #include "base/pickle.h"
11 #include "base/strings/string_util.h"
12 #include "base/strings/utf_string_conversions.h"
13 #include "chrome/browser/bookmarks/bookmark_model.h"
14 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
15 #include "chrome/browser/profiles/profile.h"
16 #include "ui/base/clipboard/scoped_clipboard_writer.h"
17
18 const char* BookmarkNodeData::kClipboardFormatString =
19 "chromium/x-bookmark-entries";
20
Element()21 BookmarkNodeData::Element::Element() : is_url(false), id_(0) {
22 }
23
Element(const BookmarkNode * node)24 BookmarkNodeData::Element::Element(const BookmarkNode* node)
25 : is_url(node->is_url()),
26 url(node->url()),
27 title(node->GetTitle()),
28 date_added(node->date_added()),
29 date_folder_modified(node->date_folder_modified()),
30 id_(node->id()) {
31 if (node->GetMetaInfoMap())
32 meta_info_map = *node->GetMetaInfoMap();
33 for (int i = 0; i < node->child_count(); ++i)
34 children.push_back(Element(node->GetChild(i)));
35 }
36
~Element()37 BookmarkNodeData::Element::~Element() {
38 }
39
WriteToPickle(Pickle * pickle) const40 void BookmarkNodeData::Element::WriteToPickle(Pickle* pickle) const {
41 pickle->WriteBool(is_url);
42 pickle->WriteString(url.spec());
43 pickle->WriteString16(title);
44 pickle->WriteInt64(id_);
45 pickle->WriteUInt64(meta_info_map.size());
46 for (BookmarkNode::MetaInfoMap::const_iterator it = meta_info_map.begin();
47 it != meta_info_map.end(); ++it) {
48 pickle->WriteString(it->first);
49 pickle->WriteString(it->second);
50 }
51 if (!is_url) {
52 pickle->WriteUInt64(children.size());
53 for (std::vector<Element>::const_iterator i = children.begin();
54 i != children.end(); ++i) {
55 i->WriteToPickle(pickle);
56 }
57 }
58 }
59
ReadFromPickle(Pickle * pickle,PickleIterator * iterator)60 bool BookmarkNodeData::Element::ReadFromPickle(Pickle* pickle,
61 PickleIterator* iterator) {
62 std::string url_spec;
63 if (!pickle->ReadBool(iterator, &is_url) ||
64 !pickle->ReadString(iterator, &url_spec) ||
65 !pickle->ReadString16(iterator, &title) ||
66 !pickle->ReadInt64(iterator, &id_)) {
67 return false;
68 }
69 url = GURL(url_spec);
70 date_added = base::Time();
71 date_folder_modified = base::Time();
72 meta_info_map.clear();
73 uint64 meta_field_count;
74 if (!pickle->ReadUInt64(iterator, &meta_field_count))
75 return false;
76 for (uint64 i = 0; i < meta_field_count; ++i) {
77 std::string key;
78 std::string value;
79 if (!pickle->ReadString(iterator, &key) ||
80 !pickle->ReadString(iterator, &value)) {
81 return false;
82 }
83 meta_info_map[key] = value;
84 }
85 children.clear();
86 if (!is_url) {
87 uint64 children_count;
88 if (!pickle->ReadUInt64(iterator, &children_count))
89 return false;
90 children.reserve(children_count);
91 for (uint64 i = 0; i < children_count; ++i) {
92 children.push_back(Element());
93 if (!children.back().ReadFromPickle(pickle, iterator))
94 return false;
95 }
96 }
97 return true;
98 }
99
100 // BookmarkNodeData -----------------------------------------------------------
101
BookmarkNodeData()102 BookmarkNodeData::BookmarkNodeData() {
103 }
104
BookmarkNodeData(const BookmarkNode * node)105 BookmarkNodeData::BookmarkNodeData(const BookmarkNode* node) {
106 elements.push_back(Element(node));
107 }
108
BookmarkNodeData(const std::vector<const BookmarkNode * > & nodes)109 BookmarkNodeData::BookmarkNodeData(
110 const std::vector<const BookmarkNode*>& nodes) {
111 ReadFromVector(nodes);
112 }
113
~BookmarkNodeData()114 BookmarkNodeData::~BookmarkNodeData() {
115 }
116
117 #if !defined(OS_MACOSX)
118 // static
ClipboardContainsBookmarks()119 bool BookmarkNodeData::ClipboardContainsBookmarks() {
120 return ui::Clipboard::GetForCurrentThread()->IsFormatAvailable(
121 ui::Clipboard::GetFormatType(kClipboardFormatString),
122 ui::CLIPBOARD_TYPE_COPY_PASTE);
123 }
124 #endif
125
ReadFromVector(const std::vector<const BookmarkNode * > & nodes)126 bool BookmarkNodeData::ReadFromVector(
127 const std::vector<const BookmarkNode*>& nodes) {
128 Clear();
129
130 if (nodes.empty())
131 return false;
132
133 for (size_t i = 0; i < nodes.size(); ++i)
134 elements.push_back(Element(nodes[i]));
135
136 return true;
137 }
138
ReadFromTuple(const GURL & url,const base::string16 & title)139 bool BookmarkNodeData::ReadFromTuple(const GURL& url, const base::string16& title) {
140 Clear();
141
142 if (!url.is_valid())
143 return false;
144
145 Element element;
146 element.title = title;
147 element.url = url;
148 element.is_url = true;
149
150 elements.push_back(element);
151
152 return true;
153 }
154
155 #if !defined(OS_MACOSX)
WriteToClipboard(ui::ClipboardType type)156 void BookmarkNodeData::WriteToClipboard(ui::ClipboardType type) {
157 DCHECK_EQ(type, ui::CLIPBOARD_TYPE_COPY_PASTE);
158 ui::ScopedClipboardWriter scw(ui::Clipboard::GetForCurrentThread(),
159 ui::CLIPBOARD_TYPE_COPY_PASTE);
160
161 // If there is only one element and it is a URL, write the URL to the
162 // clipboard.
163 if (elements.size() == 1 && elements[0].is_url) {
164 const base::string16& title = elements[0].title;
165 const std::string url = elements[0].url.spec();
166
167 scw.WriteBookmark(title, url);
168
169 // Don't call scw.WriteHyperlink() here, since some rich text editors will
170 // change fonts when such data is pasted in; besides, most such editors
171 // auto-linkify at some point anyway.
172
173 // Also write the URL to the clipboard as text so that it can be pasted
174 // into text fields. We use WriteText instead of WriteURL because we don't
175 // want to clobber the X clipboard when the user copies out of the omnibox
176 // on Linux (on Windows and Mac, there is no difference between these
177 // functions).
178 scw.WriteText(UTF8ToUTF16(url));
179 }
180
181 Pickle pickle;
182 WriteToPickle(NULL, &pickle);
183 scw.WritePickledData(pickle,
184 ui::Clipboard::GetFormatType(kClipboardFormatString));
185 }
186
ReadFromClipboard(ui::ClipboardType type)187 bool BookmarkNodeData::ReadFromClipboard(ui::ClipboardType type) {
188 DCHECK_EQ(type, ui::CLIPBOARD_TYPE_COPY_PASTE);
189 std::string data;
190 ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
191 clipboard->ReadData(ui::Clipboard::GetFormatType(kClipboardFormatString),
192 &data);
193
194 if (!data.empty()) {
195 Pickle pickle(data.data(), data.size());
196 if (ReadFromPickle(&pickle))
197 return true;
198 }
199
200 base::string16 title;
201 std::string url;
202 clipboard->ReadBookmark(&title, &url);
203 if (!url.empty()) {
204 Element element;
205 element.is_url = true;
206 element.url = GURL(url);
207 element.title = title;
208
209 elements.clear();
210 elements.push_back(element);
211 return true;
212 }
213
214 return false;
215 }
216 #endif
217
WriteToPickle(Profile * profile,Pickle * pickle) const218 void BookmarkNodeData::WriteToPickle(Profile* profile, Pickle* pickle) const {
219 base::FilePath path = profile ? profile->GetPath() : base::FilePath();
220 path.WriteToPickle(pickle);
221 pickle->WriteUInt64(elements.size());
222
223 for (size_t i = 0; i < elements.size(); ++i)
224 elements[i].WriteToPickle(pickle);
225 }
226
ReadFromPickle(Pickle * pickle)227 bool BookmarkNodeData::ReadFromPickle(Pickle* pickle) {
228 PickleIterator data_iterator(*pickle);
229 uint64 element_count;
230 if (profile_path_.ReadFromPickle(&data_iterator) &&
231 pickle->ReadUInt64(&data_iterator, &element_count)) {
232 std::vector<Element> tmp_elements;
233 tmp_elements.resize(element_count);
234 for (uint64 i = 0; i < element_count; ++i) {
235 if (!tmp_elements[i].ReadFromPickle(pickle, &data_iterator)) {
236 return false;
237 }
238 }
239 elements.swap(tmp_elements);
240 }
241
242 return true;
243 }
244
GetNodes(Profile * profile) const245 std::vector<const BookmarkNode*> BookmarkNodeData::GetNodes(
246 Profile* profile) const {
247 std::vector<const BookmarkNode*> nodes;
248
249 if (!IsFromProfile(profile))
250 return nodes;
251
252 for (size_t i = 0; i < elements.size(); ++i) {
253 const BookmarkNode* node = BookmarkModelFactory::GetForProfile(
254 profile)->GetNodeByID(elements[i].id_);
255 if (!node) {
256 nodes.clear();
257 return nodes;
258 }
259 nodes.push_back(node);
260 }
261 return nodes;
262 }
263
GetFirstNode(Profile * profile) const264 const BookmarkNode* BookmarkNodeData::GetFirstNode(Profile* profile) const {
265 std::vector<const BookmarkNode*> nodes = GetNodes(profile);
266 return nodes.size() == 1 ? nodes[0] : NULL;
267 }
268
Clear()269 void BookmarkNodeData::Clear() {
270 profile_path_.clear();
271 elements.clear();
272 }
273
SetOriginatingProfile(Profile * profile)274 void BookmarkNodeData::SetOriginatingProfile(Profile* profile) {
275 DCHECK(profile_path_.empty());
276
277 if (profile)
278 profile_path_ = profile->GetPath();
279 }
280
IsFromProfile(Profile * profile) const281 bool BookmarkNodeData::IsFromProfile(Profile* profile) const {
282 // An empty path means the data is not associated with any profile.
283 return !profile_path_.empty() && profile_path_ == profile->GetPath();
284 }
285