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| 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/ui/webui/ntp/most_visited_handler.h" | |
| 6 | |
| 7 #include <set> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/bind_helpers.h" | |
| 11 #include "base/command_line.h" | |
| 12 #include "base/md5.h" | |
| 13 #include "base/memory/scoped_vector.h" | |
| 14 #include "base/memory/singleton.h" | |
| 15 #include "base/metrics/histogram.h" | |
| 16 #include "base/prefs/pref_service.h" | |
| 17 #include "base/prefs/scoped_user_pref_update.h" | |
| 18 #include "base/strings/string16.h" | |
| 19 #include "base/strings/string_number_conversions.h" | |
| 20 #include "base/strings/utf_string_conversions.h" | |
| 21 #include "base/threading/thread.h" | |
| 22 #include "base/values.h" | |
| 23 #include "chrome/browser/favicon/fallback_icon_service_factory.h" | |
| 24 #include "chrome/browser/favicon/large_icon_service_factory.h" | |
| 25 #include "chrome/browser/history/top_sites_factory.h" | |
| 26 #include "chrome/browser/profiles/profile.h" | |
| 27 #include "chrome/browser/thumbnails/thumbnail_list_source.h" | |
| 28 #include "chrome/browser/ui/browser.h" | |
| 29 #include "chrome/browser/ui/browser_finder.h" | |
| 30 #include "chrome/browser/ui/tabs/tab_strip_model.h" | |
| 31 #include "chrome/browser/ui/tabs/tab_strip_model_utils.h" | |
| 32 #include "chrome/browser/ui/webui/fallback_icon_source.h" | |
| 33 #include "chrome/browser/ui/webui/favicon_source.h" | |
| 34 #include "chrome/browser/ui/webui/large_icon_source.h" | |
| 35 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h" | |
| 36 #include "chrome/browser/ui/webui/ntp/ntp_stats.h" | |
| 37 #include "chrome/browser/ui/webui/ntp/thumbnail_source.h" | |
| 38 #include "chrome/common/pref_names.h" | |
| 39 #include "chrome/common/url_constants.h" | |
| 40 #include "components/favicon/core/fallback_icon_service.h" | |
| 41 #include "components/favicon/core/large_icon_service.h" | |
| 42 #include "components/history/core/browser/page_usage_data.h" | |
| 43 #include "components/history/core/browser/top_sites.h" | |
| 44 #include "components/keyed_service/core/service_access_type.h" | |
| 45 #include "components/pref_registry/pref_registry_syncable.h" | |
| 46 #include "content/public/browser/navigation_controller.h" | |
| 47 #include "content/public/browser/navigation_entry.h" | |
| 48 #include "content/public/browser/url_data_source.h" | |
| 49 #include "content/public/browser/user_metrics.h" | |
| 50 #include "content/public/browser/web_contents.h" | |
| 51 #include "content/public/browser/web_ui.h" | |
| 52 #include "url/gurl.h" | |
| 53 | |
| 54 using base::UserMetricsAction; | |
| 55 | |
| 56 MostVisitedHandler::MostVisitedHandler() | |
| 57 : scoped_observer_(this), | |
| 58 got_first_most_visited_request_(false), | |
| 59 most_visited_viewed_(false), | |
| 60 user_action_logged_(false), | |
| 61 weak_ptr_factory_(this) { | |
| 62 } | |
| 63 | |
| 64 MostVisitedHandler::~MostVisitedHandler() { | |
| 65 if (!user_action_logged_ && most_visited_viewed_) { | |
| 66 const GURL ntp_url = GURL(chrome::kChromeUINewTabURL); | |
| 67 int action_id = NTP_FOLLOW_ACTION_OTHER; | |
| 68 content::NavigationEntry* entry = | |
| 69 web_ui()->GetWebContents()->GetController().GetLastCommittedEntry(); | |
| 70 if (entry && (entry->GetURL() != ntp_url)) { | |
| 71 action_id = | |
| 72 ui::PageTransitionStripQualifier(entry->GetTransitionType()); | |
| 73 } | |
| 74 | |
| 75 UMA_HISTOGRAM_ENUMERATION("NewTabPage.MostVisitedAction", action_id, | |
| 76 NUM_NTP_FOLLOW_ACTIONS); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 void MostVisitedHandler::RegisterMessages() { | |
| 81 Profile* profile = Profile::FromWebUI(web_ui()); | |
| 82 // Set up our sources for thumbnail and favicon data. | |
| 83 content::URLDataSource::Add(profile, new ThumbnailSource(profile, false)); | |
| 84 content::URLDataSource::Add(profile, new ThumbnailSource(profile, true)); | |
| 85 | |
| 86 // Set up our sources for top-sites data. | |
| 87 content::URLDataSource::Add(profile, new ThumbnailListSource(profile)); | |
| 88 | |
| 89 favicon::FallbackIconService* fallback_icon_service = | |
| 90 FallbackIconServiceFactory::GetForBrowserContext(profile); | |
| 91 favicon::LargeIconService* large_icon_service = | |
| 92 LargeIconServiceFactory::GetForBrowserContext(profile); | |
| 93 | |
| 94 // Register chrome://fallback-icon as a data source for fallback icons. | |
| 95 content::URLDataSource::Add(profile, | |
| 96 new FallbackIconSource(fallback_icon_service)); | |
| 97 | |
| 98 // Register chrome://favicon as a data source for favicons. | |
| 99 content::URLDataSource::Add( | |
| 100 profile, new FaviconSource(profile, FaviconSource::FAVICON)); | |
| 101 | |
| 102 // Register chrome://large-icon as a data source for large icons. | |
| 103 content::URLDataSource::Add( | |
| 104 profile, new LargeIconSource(fallback_icon_service, large_icon_service)); | |
| 105 | |
| 106 scoped_refptr<history::TopSites> top_sites = | |
| 107 TopSitesFactory::GetForProfile(profile); | |
| 108 if (top_sites) { | |
| 109 // TopSites updates itself after a delay. This is especially noticable when | |
| 110 // your profile is empty. Ask TopSites to update itself when we're about to | |
| 111 // show the new tab page. | |
| 112 top_sites->SyncWithHistory(); | |
| 113 | |
| 114 // Register as TopSitesObserver so that we can update ourselves when the | |
| 115 // TopSites changes. | |
| 116 scoped_observer_.Add(top_sites.get()); | |
| 117 } | |
| 118 | |
| 119 // We pre-emptively make a fetch for the most visited pages so we have the | |
| 120 // results sooner. | |
| 121 StartQueryForMostVisited(); | |
| 122 | |
| 123 web_ui()->RegisterMessageCallback("getMostVisited", | |
| 124 base::Bind(&MostVisitedHandler::HandleGetMostVisited, | |
| 125 base::Unretained(this))); | |
| 126 | |
| 127 // Register ourselves for any most-visited item blacklisting. | |
| 128 web_ui()->RegisterMessageCallback("blacklistURLFromMostVisited", | |
| 129 base::Bind(&MostVisitedHandler::HandleBlacklistUrl, | |
| 130 base::Unretained(this))); | |
| 131 web_ui()->RegisterMessageCallback("removeURLsFromMostVisitedBlacklist", | |
| 132 base::Bind(&MostVisitedHandler::HandleRemoveUrlsFromBlacklist, | |
| 133 base::Unretained(this))); | |
| 134 web_ui()->RegisterMessageCallback("clearMostVisitedURLsBlacklist", | |
| 135 base::Bind(&MostVisitedHandler::HandleClearBlacklist, | |
| 136 base::Unretained(this))); | |
| 137 web_ui()->RegisterMessageCallback("mostVisitedAction", | |
| 138 base::Bind(&MostVisitedHandler::HandleMostVisitedAction, | |
| 139 base::Unretained(this))); | |
| 140 web_ui()->RegisterMessageCallback("mostVisitedSelected", | |
| 141 base::Bind(&MostVisitedHandler::HandleMostVisitedSelected, | |
| 142 base::Unretained(this))); | |
| 143 } | |
| 144 | |
| 145 void MostVisitedHandler::HandleGetMostVisited(const base::ListValue* args) { | |
| 146 if (!got_first_most_visited_request_) { | |
| 147 // If our initial data is already here, return it. | |
| 148 SendPagesValue(); | |
| 149 got_first_most_visited_request_ = true; | |
| 150 } else { | |
| 151 StartQueryForMostVisited(); | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 void MostVisitedHandler::SendPagesValue() { | |
| 156 if (pages_value_) { | |
| 157 Profile* profile = Profile::FromWebUI(web_ui()); | |
| 158 const base::DictionaryValue* url_blacklist = | |
| 159 profile->GetPrefs()->GetDictionary(prefs::kNtpMostVisitedURLsBlacklist); | |
| 160 bool has_blacklisted_urls = !url_blacklist->empty(); | |
| 161 scoped_refptr<history::TopSites> ts = | |
| 162 TopSitesFactory::GetForProfile(profile); | |
| 163 if (ts) | |
| 164 has_blacklisted_urls = ts->HasBlacklistedItems(); | |
| 165 | |
| 166 base::FundamentalValue has_blacklisted_urls_value(has_blacklisted_urls); | |
| 167 web_ui()->CallJavascriptFunction("ntp.setMostVisitedPages", | |
| 168 *pages_value_, | |
| 169 has_blacklisted_urls_value); | |
| 170 pages_value_.reset(); | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 void MostVisitedHandler::StartQueryForMostVisited() { | |
| 175 scoped_refptr<history::TopSites> ts = | |
| 176 TopSitesFactory::GetForProfile(Profile::FromWebUI(web_ui())); | |
| 177 if (ts) { | |
| 178 ts->GetMostVisitedURLs( | |
| 179 base::Bind(&MostVisitedHandler::OnMostVisitedUrlsAvailable, | |
| 180 weak_ptr_factory_.GetWeakPtr()), false); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 void MostVisitedHandler::HandleBlacklistUrl(const base::ListValue* args) { | |
| 185 std::string url = base::UTF16ToUTF8(ExtractStringValue(args)); | |
| 186 BlacklistUrl(GURL(url)); | |
| 187 } | |
| 188 | |
| 189 void MostVisitedHandler::HandleRemoveUrlsFromBlacklist( | |
| 190 const base::ListValue* args) { | |
| 191 DCHECK(args->GetSize() != 0); | |
| 192 | |
| 193 for (base::ListValue::const_iterator iter = args->begin(); | |
| 194 iter != args->end(); ++iter) { | |
| 195 std::string url; | |
| 196 bool r = (*iter)->GetAsString(&url); | |
| 197 if (!r) { | |
| 198 NOTREACHED(); | |
| 199 return; | |
| 200 } | |
| 201 content::RecordAction(UserMetricsAction("MostVisited_UrlRemoved")); | |
| 202 scoped_refptr<history::TopSites> ts = | |
| 203 TopSitesFactory::GetForProfile(Profile::FromWebUI(web_ui())); | |
| 204 if (ts) | |
| 205 ts->RemoveBlacklistedURL(GURL(url)); | |
| 206 } | |
| 207 } | |
| 208 | |
| 209 void MostVisitedHandler::HandleClearBlacklist(const base::ListValue* args) { | |
| 210 content::RecordAction(UserMetricsAction("MostVisited_BlacklistCleared")); | |
| 211 | |
| 212 scoped_refptr<history::TopSites> ts = | |
| 213 TopSitesFactory::GetForProfile(Profile::FromWebUI(web_ui())); | |
| 214 if (ts) | |
| 215 ts->ClearBlacklistedURLs(); | |
| 216 } | |
| 217 | |
| 218 void MostVisitedHandler::HandleMostVisitedAction(const base::ListValue* args) { | |
| 219 DCHECK(args); | |
| 220 | |
| 221 double action_id; | |
| 222 if (!args->GetDouble(0, &action_id)) | |
| 223 NOTREACHED(); | |
| 224 | |
| 225 UMA_HISTOGRAM_ENUMERATION("NewTabPage.MostVisitedAction", | |
| 226 static_cast<int>(action_id), | |
| 227 NUM_NTP_FOLLOW_ACTIONS); | |
| 228 most_visited_viewed_ = true; | |
| 229 user_action_logged_ = true; | |
| 230 } | |
| 231 | |
| 232 void MostVisitedHandler::HandleMostVisitedSelected( | |
| 233 const base::ListValue* args) { | |
| 234 most_visited_viewed_ = true; | |
| 235 } | |
| 236 | |
| 237 void MostVisitedHandler::SetPagesValueFromTopSites( | |
| 238 const history::MostVisitedURLList& data) { | |
| 239 pages_value_.reset(new base::ListValue); | |
| 240 | |
| 241 history::MostVisitedURLList top_sites(data); | |
| 242 for (size_t i = 0; i < top_sites.size(); i++) { | |
| 243 const history::MostVisitedURL& url = top_sites[i]; | |
| 244 | |
| 245 // The items which are to be written into |page_value| are also described in | |
| 246 // chrome/browser/resources/ntp4/new_tab.js in @typedef for PageData. Please | |
| 247 // update it whenever you add or remove any keys here. | |
| 248 base::DictionaryValue* page_value = new base::DictionaryValue(); | |
| 249 if (url.url.is_empty()) { | |
| 250 page_value->SetBoolean("filler", true); | |
| 251 pages_value_->Append(page_value); | |
| 252 continue; | |
| 253 } | |
| 254 | |
| 255 NewTabUI::SetUrlTitleAndDirection(page_value, | |
| 256 url.title, | |
| 257 url.url); | |
| 258 pages_value_->Append(page_value); | |
| 259 } | |
| 260 } | |
| 261 | |
| 262 void MostVisitedHandler::OnMostVisitedUrlsAvailable( | |
| 263 const history::MostVisitedURLList& data) { | |
| 264 SetPagesValueFromTopSites(data); | |
| 265 if (got_first_most_visited_request_) { | |
| 266 SendPagesValue(); | |
| 267 } | |
| 268 } | |
| 269 | |
| 270 void MostVisitedHandler::TopSitesLoaded(history::TopSites* top_sites) { | |
| 271 } | |
| 272 | |
| 273 void MostVisitedHandler::TopSitesChanged(history::TopSites* top_sites) { | |
| 274 // Most visited urls changed, query again. | |
| 275 StartQueryForMostVisited(); | |
| 276 } | |
| 277 | |
| 278 void MostVisitedHandler::BlacklistUrl(const GURL& url) { | |
| 279 scoped_refptr<history::TopSites> ts = | |
| 280 TopSitesFactory::GetForProfile(Profile::FromWebUI(web_ui())); | |
| 281 if (ts) | |
| 282 ts->AddBlacklistedURL(url); | |
| 283 content::RecordAction(UserMetricsAction("MostVisited_UrlBlacklisted")); | |
| 284 } | |
| 285 | |
| 286 std::string MostVisitedHandler::GetDictionaryKeyForUrl(const std::string& url) { | |
| 287 return base::MD5String(url); | |
| 288 } | |
| 289 | |
| 290 // static | |
| 291 void MostVisitedHandler::RegisterProfilePrefs( | |
| 292 user_prefs::PrefRegistrySyncable* registry) { | |
| 293 registry->RegisterDictionaryPref(prefs::kNtpMostVisitedURLsBlacklist); | |
| 294 } | |
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Chromium Code Reviews
Issue 1129903008:
NTP Zombie Code Slayer Part IV: Most Visited (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master