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| 1 // Copyright (c) 2011 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/ui/webui/ntp/bookmarks_handler.h" | |
| 6 | |
| 7 #include "base/auto_reset.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/bind_helpers.h" | |
| 10 #include "base/string_number_conversions.h" | |
| 11 #include "base/values.h" | |
| 12 #include "chrome/browser/bookmarks/bookmark_extension_api_constants.h" | |
| 13 #include "chrome/browser/bookmarks/bookmark_model.h" | |
| 14 #include "chrome/browser/prefs/pref_service.h" | |
| 15 #include "chrome/browser/profiles/profile.h" | |
| 16 #include "chrome/browser/sync/profile_sync_service.h" | |
| 17 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h" | |
| 18 #include "chrome/common/chrome_notification_types.h" | |
| 19 #include "chrome/common/pref_names.h" | |
| 20 | |
| 21 // TODO(csilv): | |
| 22 // Much of this implementation is based on the classes defined in | |
| 23 // extension_bookmarks_module.cc. Longer term we should consider migrating | |
| 24 // NTP into an embedded extension which would allow us to leverage the same | |
| 25 // bookmark APIs as the bookmark manager. | |
| 26 | |
| 27 namespace keys = bookmark_extension_api_constants; | |
| 28 | |
| 29 BookmarksHandler::BookmarksHandler() : model_(NULL), | |
| 30 dom_ready_(false), | |
| 31 from_current_page_(false) { | |
| 32 } | |
| 33 | |
| 34 BookmarksHandler::~BookmarksHandler() { | |
| 35 if (model_) | |
| 36 model_->RemoveObserver(this); | |
| 37 } | |
| 38 | |
| 39 WebUIMessageHandler* BookmarksHandler::Attach(WebUI* web_ui) { | |
| 40 WebUIMessageHandler::Attach(web_ui); | |
| 41 model_ = Profile::FromWebUI(web_ui)->GetBookmarkModel(); | |
| 42 if (model_) | |
| 43 model_->AddObserver(this); | |
| 44 return this; | |
| 45 } | |
| 46 | |
| 47 void BookmarksHandler::RegisterMessages() { | |
| 48 web_ui_->RegisterMessageCallback("createBookmark", | |
| 49 base::Bind(&BookmarksHandler::HandleCreateBookmark, | |
| 50 base::Unretained(this))); | |
| 51 web_ui_->RegisterMessageCallback("getBookmarksData", | |
| 52 base::Bind(&BookmarksHandler::HandleGetBookmarksData, | |
| 53 base::Unretained(this))); | |
| 54 web_ui_->RegisterMessageCallback("moveBookmark", | |
| 55 base::Bind(&BookmarksHandler::HandleMoveBookmark, | |
| 56 base::Unretained(this))); | |
| 57 web_ui_->RegisterMessageCallback("removeBookmark", | |
| 58 base::Bind(&BookmarksHandler::HandleRemoveBookmark, | |
| 59 base::Unretained(this))); | |
| 60 } | |
| 61 | |
| 62 void BookmarksHandler::Loaded(BookmarkModel* model, bool ids_reassigned) { | |
| 63 if (dom_ready_) | |
| 64 HandleGetBookmarksData(NULL); | |
| 65 } | |
| 66 | |
| 67 void BookmarksHandler::BookmarkModelBeingDeleted(BookmarkModel* model) { | |
| 68 // If this occurs it probably means that this tab will close shortly. | |
| 69 // Discard our reference to the model so that we won't use it again. | |
| 70 model_ = NULL; | |
| 71 } | |
| 72 | |
| 73 void BookmarksHandler::BookmarkNodeMoved(BookmarkModel* model, | |
| 74 const BookmarkNode* old_parent, | |
| 75 int old_index, | |
| 76 const BookmarkNode* new_parent, | |
| 77 int new_index) { | |
| 78 if (!dom_ready_) return; | |
| 79 const BookmarkNode* node = new_parent->GetChild(new_index); | |
| 80 base::StringValue id(base::Int64ToString(node->id())); | |
| 81 base::DictionaryValue move_info; | |
| 82 move_info.SetString(keys::kParentIdKey, | |
| 83 base::Int64ToString(new_parent->id())); | |
| 84 move_info.SetInteger(keys::kIndexKey, new_index); | |
| 85 move_info.SetString(keys::kOldParentIdKey, | |
| 86 base::Int64ToString(old_parent->id())); | |
| 87 move_info.SetInteger(keys::kOldIndexKey, old_index); | |
| 88 base::FundamentalValue from_page(from_current_page_); | |
| 89 | |
| 90 web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeMoved", id, move_info, | |
| 91 from_page); | |
| 92 } | |
| 93 | |
| 94 void BookmarksHandler::BookmarkNodeAdded(BookmarkModel* model, | |
| 95 const BookmarkNode* parent, | |
| 96 int index) { | |
| 97 if (!dom_ready_) return; | |
| 98 const BookmarkNode* node = parent->GetChild(index); | |
| 99 base::StringValue id(base::Int64ToString(node->id())); | |
| 100 scoped_ptr<base::DictionaryValue> node_info(GetNodeDictionary(node)); | |
| 101 base::FundamentalValue from_page(from_current_page_); | |
| 102 | |
| 103 web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeAdded", id, *node_info, | |
| 104 from_page); | |
| 105 } | |
| 106 | |
| 107 void BookmarksHandler::BookmarkNodeRemoved(BookmarkModel* model, | |
| 108 const BookmarkNode* parent, | |
| 109 int index, | |
| 110 const BookmarkNode* node) { | |
| 111 if (!dom_ready_) return; | |
| 112 | |
| 113 base::StringValue id(base::Int64ToString(node->id())); | |
| 114 base::DictionaryValue remove_info; | |
| 115 remove_info.SetString(keys::kParentIdKey, base::Int64ToString(parent->id())); | |
| 116 remove_info.SetInteger(keys::kIndexKey, index); | |
| 117 base::FundamentalValue from_page(from_current_page_); | |
| 118 | |
| 119 web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeRemoved", id, remove_info, | |
| 120 from_page); | |
| 121 } | |
| 122 | |
| 123 void BookmarksHandler::BookmarkNodeChanged(BookmarkModel* model, | |
| 124 const BookmarkNode* node) { | |
| 125 if (!dom_ready_) return; | |
| 126 base::StringValue id(base::Int64ToString(node->id())); | |
| 127 base::DictionaryValue change_info; | |
| 128 change_info.SetString(keys::kTitleKey, node->GetTitle()); | |
| 129 if (node->is_url()) | |
| 130 change_info.SetString(keys::kUrlKey, node->url().spec()); | |
| 131 base::FundamentalValue from_page(from_current_page_); | |
| 132 | |
| 133 web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeChanged", id, change_info, | |
| 134 from_page); | |
| 135 } | |
| 136 | |
| 137 void BookmarksHandler::BookmarkNodeFaviconChanged(BookmarkModel* model, | |
| 138 const BookmarkNode* node) { | |
| 139 // Favicons are handled by through use of the chrome://favicon protocol, so | |
| 140 // there's nothing for us to do here (but we need to provide an | |
| 141 // implementation). | |
| 142 } | |
| 143 | |
| 144 void BookmarksHandler::BookmarkNodeChildrenReordered(BookmarkModel* model, | |
| 145 const BookmarkNode* node) { | |
| 146 if (!dom_ready_) return; | |
| 147 base::StringValue id(base::Int64ToString(node->id())); | |
| 148 base::ListValue* children = new base::ListValue; | |
| 149 for (int i = 0; i < node->child_count(); ++i) { | |
| 150 const BookmarkNode* child = node->GetChild(i); | |
| 151 Value* child_id = new StringValue(base::Int64ToString(child->id())); | |
| 152 children->Append(child_id); | |
| 153 } | |
| 154 base::DictionaryValue reorder_info; | |
| 155 reorder_info.Set(keys::kChildIdsKey, children); | |
| 156 base::FundamentalValue from_page(from_current_page_); | |
| 157 | |
| 158 web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeChildrenReordered", id, | |
| 159 reorder_info, from_page); | |
| 160 } | |
| 161 | |
| 162 void BookmarksHandler::BookmarkImportBeginning(BookmarkModel* model) { | |
| 163 if (dom_ready_) | |
| 164 web_ui_->CallJavascriptFunction("ntp4.bookmarkImportBegan"); | |
| 165 } | |
| 166 | |
| 167 void BookmarksHandler::BookmarkImportEnding(BookmarkModel* model) { | |
| 168 if (dom_ready_) | |
| 169 web_ui_->CallJavascriptFunction("ntp4.bookmarkImportEnded"); | |
| 170 } | |
| 171 | |
| 172 void BookmarksHandler::HandleCreateBookmark(const ListValue* args) { | |
| 173 if (!model_) return; | |
| 174 | |
| 175 // This is the only required argument - a stringified int64 parent ID. | |
| 176 std::string parent_id_string; | |
| 177 CHECK(args->GetString(0, &parent_id_string)); | |
| 178 int64 parent_id; | |
| 179 CHECK(base::StringToInt64(parent_id_string, &parent_id)); | |
| 180 | |
| 181 const BookmarkNode* parent = model_->GetNodeByID(parent_id); | |
| 182 if (!parent) return; | |
| 183 | |
| 184 double index; | |
| 185 if (!args->GetDouble(1, &index) || | |
| 186 (index > parent->child_count() || index < 0)) { | |
| 187 index = parent->child_count(); | |
| 188 } | |
| 189 | |
| 190 // If they didn't pass the argument, just use a blank string. | |
| 191 string16 title; | |
| 192 if (!args->GetString(2, &title)) | |
| 193 title = string16(); | |
| 194 | |
| 195 // We'll be creating either a bookmark or a folder, so set this for both. | |
| 196 AutoReset<bool> from_page(&from_current_page_, true); | |
| 197 | |
| 198 // According to the bookmarks API, "If url is NULL or missing, it will be a | |
| 199 // folder.". Let's just follow the same behavior. | |
| 200 std::string url_string; | |
| 201 if (args->GetString(3, &url_string)) { | |
| 202 GURL url(url_string); | |
| 203 if (!url.is_empty() && url.is_valid()) { | |
| 204 // Only valid case for a bookmark as opposed to folder. | |
| 205 model_->AddURL(parent, static_cast<int>(index), title, url); | |
| 206 return; | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 // We didn't have all the valid parts for a bookmark, just make a folder. | |
| 211 model_->AddFolder(parent, static_cast<int>(index), title); | |
| 212 } | |
| 213 | |
| 214 void BookmarksHandler::HandleGetBookmarksData(const base::ListValue* args) { | |
| 215 dom_ready_ = true; | |
| 216 | |
| 217 // At startup, Bookmarks may not be fully loaded. If this is the case, | |
| 218 // we'll wait for the notification to arrive. | |
| 219 Profile* profile = Profile::FromWebUI(web_ui_); | |
| 220 BookmarkModel* model = profile->GetBookmarkModel(); | |
| 221 if (!model->IsLoaded()) return; | |
| 222 | |
| 223 int64 id; | |
| 224 std::string id_string; | |
| 225 PrefService* prefs = profile->GetPrefs(); | |
| 226 if (args && args->GetString(0, &id_string) && | |
| 227 base::StringToInt64(id_string, &id)) { | |
| 228 // A folder ID was requested, so persist this value. | |
| 229 prefs->SetInt64(prefs::kNTPShownBookmarksFolder, id); | |
| 230 } else { | |
| 231 // No folder ID was requested, so get the default (persisted) value. | |
| 232 id = prefs->GetInt64(prefs::kNTPShownBookmarksFolder); | |
| 233 } | |
| 234 | |
| 235 const BookmarkNode* node = model->GetNodeByID(id); | |
| 236 if (!node) | |
| 237 node = model->root_node(); | |
| 238 | |
| 239 // We wish to merge the root node with the bookmarks bar node. | |
| 240 if (model->is_root_node(node)) | |
| 241 node = model->bookmark_bar_node(); | |
| 242 | |
| 243 base::ListValue* items = new base::ListValue; | |
| 244 for (int i = 0; i < node->child_count(); ++i) { | |
| 245 const BookmarkNode* child = node->GetChild(i); | |
| 246 AddNode(child, items); | |
| 247 } | |
| 248 if (node == model->bookmark_bar_node() && model->other_node()->child_count()) | |
| 249 AddNode(model->other_node(), items); | |
| 250 | |
| 251 base::ListValue* navigation_items = new base::ListValue; | |
| 252 while (node) { | |
| 253 if (node != model->bookmark_bar_node()) | |
| 254 AddNode(node, navigation_items); | |
| 255 node = node->parent(); | |
| 256 } | |
| 257 | |
| 258 base::DictionaryValue bookmarksData; | |
| 259 bookmarksData.Set("items", items); | |
| 260 bookmarksData.Set("navigationItems", navigation_items); | |
| 261 web_ui_->CallJavascriptFunction("ntp4.setBookmarksData", bookmarksData); | |
| 262 } | |
| 263 | |
| 264 void BookmarksHandler::HandleRemoveBookmark(const ListValue* args) { | |
| 265 if (!model_) return; | |
| 266 | |
| 267 std::string id_string; | |
| 268 CHECK(args->GetString(0, &id_string)); | |
| 269 int64 id; | |
| 270 CHECK(base::StringToInt64(id_string, &id)); | |
| 271 | |
| 272 const BookmarkNode* node = model_->GetNodeByID(id); | |
| 273 if (!node) return; | |
| 274 | |
| 275 AutoReset<bool> from_page(&from_current_page_, true); | |
| 276 model_->Remove(node->parent(), node->parent()->GetIndexOf(node)); | |
| 277 } | |
| 278 | |
| 279 void BookmarksHandler::HandleMoveBookmark(const ListValue* args) { | |
| 280 if (!model_) return; | |
| 281 | |
| 282 std::string id_string; | |
| 283 CHECK(args->GetString(0, &id_string)); | |
| 284 int64 id; | |
| 285 CHECK(base::StringToInt64(id_string, &id)); | |
| 286 | |
| 287 std::string parent_id_string; | |
| 288 CHECK(args->GetString(1, &parent_id_string)); | |
| 289 int64 parent_id; | |
| 290 CHECK(base::StringToInt64(parent_id_string, &parent_id)); | |
| 291 | |
| 292 double index; | |
| 293 args->GetDouble(2, &index); | |
| 294 | |
| 295 const BookmarkNode* parent = model_->GetNodeByID(parent_id); | |
| 296 if (!parent) return; | |
| 297 | |
| 298 const BookmarkNode* node = model_->GetNodeByID(id); | |
| 299 if (!node) return; | |
| 300 | |
| 301 AutoReset<bool> from_page(&from_current_page_, true); | |
| 302 model_->Move(node, parent, static_cast<int>(index)); | |
| 303 } | |
| 304 | |
| 305 base::DictionaryValue* BookmarksHandler::GetNodeDictionary( | |
| 306 const BookmarkNode* node) { | |
| 307 base::DictionaryValue* dict = new base::DictionaryValue(); | |
| 308 dict->SetString(keys::kIdKey, base::Int64ToString(node->id())); | |
| 309 | |
| 310 const BookmarkNode* parent = node->parent(); | |
| 311 if (parent) { | |
| 312 dict->SetString(keys::kParentIdKey, base::Int64ToString(parent->id())); | |
| 313 dict->SetInteger(keys::kIndexKey, parent->GetIndexOf(node)); | |
| 314 } | |
| 315 | |
| 316 NewTabUI::SetURLTitleAndDirection(dict, node->GetTitle(), node->url()); | |
| 317 | |
| 318 if (!node->is_folder()) | |
| 319 dict->SetString(keys::kUrlKey, node->url().spec()); | |
| 320 | |
| 321 return dict; | |
| 322 } | |
| 323 | |
| 324 void BookmarksHandler::AddNode(const BookmarkNode* node, | |
| 325 base::ListValue* list) { | |
| 326 list->Append(GetNodeDictionary(node)); | |
| 327 } | |
| 328 | |
| 329 // static | |
| 330 void BookmarksHandler::RegisterUserPrefs(PrefService* prefs) { | |
| 331 // Default folder is the root node. | |
| 332 // TODO(csilv): Should we sync this preference? | |
| 333 prefs->RegisterInt64Pref(prefs::kNTPShownBookmarksFolder, 0, | |
| 334 PrefService::UNSYNCABLE_PREF); | |
| 335 } | |
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