chrome/browser/bookmarks/chrome_bookmark_client.cc

   1 // Copyright 2014 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/chrome_bookmark_client.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/logging.h"
  10 #include "base/values.h"
  11 #include "chrome/browser/favicon/favicon_service.h"
  12 #include "chrome/browser/favicon/favicon_service_factory.h"
  13 #include "chrome/browser/history/history_service.h"
  14 #include "chrome/browser/policy/profile_policy_connector.h"
  15 #include "chrome/browser/policy/profile_policy_connector_factory.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "components/bookmarks/browser/bookmark_model.h"
  18 #include "components/bookmarks/browser/bookmark_node.h"
  19 #include "components/bookmarks/browser/bookmark_utils.h"
  20 #include "components/history/core/browser/url_database.h"
  21 #include "content/public/browser/browser_thread.h"
  22 #include "content/public/browser/notification_details.h"
  23 #include "content/public/browser/notification_source.h"
  24 #include "content/public/browser/user_metrics.h"
  25 #include "grit/components_strings.h"
  26 #include "policy/policy_constants.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28
  29 using bookmarks::BookmarkModel;
  30 using bookmarks::BookmarkNode;
  31 using bookmarks::BookmarkPermanentNode;
  32
  33 namespace {
  34
  35 void RunCallbackWithImage(
  36     const favicon_base::FaviconImageCallback& callback,
  37     const favicon_base::FaviconRawBitmapResult& bitmap_result) {
  38   favicon_base::FaviconImageResult result;
  39   if (bitmap_result.is_valid()) {
  40     result.image = gfx::Image::CreateFrom1xPNGBytes(
  41         bitmap_result.bitmap_data->front(), bitmap_result.bitmap_data->size());
  42     result.icon_url = bitmap_result.icon_url;
  43     callback.Run(result);
  44     return;
  45   }
  46   callback.Run(result);
  47 }
  48
  49 void LoadInitialContents(BookmarkPermanentNode* node,
  50                          base::ListValue* initial_bookmarks,
  51                          int64* next_node_id) {
  52   // Load the initial contents of the |node| now, and assign it an unused ID.
  53   int64 id = *next_node_id;
  54   node->set_id(id);
  55   *next_node_id = policy::ManagedBookmarksTracker::LoadInitial(
  56       node, initial_bookmarks, id + 1);
  57   node->set_visible(!node->empty());
  58 }
  59
  60 }  // namespace
  61
  62 ChromeBookmarkClient::ChromeBookmarkClient(Profile* profile)
  63     : profile_(profile),
  64       history_service_(NULL),
  65       model_(NULL),
  66       managed_node_(NULL),
  67       supervised_node_(NULL) {
  68 }
  69
  70 ChromeBookmarkClient::~ChromeBookmarkClient() {
  71 }
  72
  73 void ChromeBookmarkClient::Init(BookmarkModel* model) {
  74   DCHECK(model);
  75   DCHECK(!model_);
  76   model_ = model;
  77   model_->AddObserver(this);
  78
  79   managed_bookmarks_tracker_.reset(new policy::ManagedBookmarksTracker(
  80       model_,
  81       profile_->GetPrefs(),
  82       false,
  83       base::Bind(&ChromeBookmarkClient::GetManagedBookmarksDomain,
  84                  base::Unretained(this))));
  85   supervised_bookmarks_tracker_.reset(new policy::ManagedBookmarksTracker(
  86       model_,
  87       profile_->GetPrefs(),
  88       true,
  89       base::Callback<std::string()>()));
  90 }
  91
  92 void ChromeBookmarkClient::Shutdown() {
  93   favicon_changed_subscription_.reset();
  94   if (model_) {
  95     model_->RemoveObserver(this);
  96     model_ = NULL;
  97   }
  98   BookmarkClient::Shutdown();
  99 }
 100
 101 bool ChromeBookmarkClient::PreferTouchIcon() {
 102 #if !defined(OS_IOS)
 103   return false;
 104 #else
 105   return true;
 106 #endif
 107 }
 108
 109 base::CancelableTaskTracker::TaskId
 110 ChromeBookmarkClient::GetFaviconImageForPageURL(
 111     const GURL& page_url,
 112     favicon_base::IconType type,
 113     const favicon_base::FaviconImageCallback& callback,
 114     base::CancelableTaskTracker* tracker) {
 115   FaviconService* favicon_service = FaviconServiceFactory::GetForProfile(
 116       profile_, ServiceAccessType::EXPLICIT_ACCESS);
 117   if (!favicon_service)
 118     return base::CancelableTaskTracker::kBadTaskId;
 119   if (type == favicon_base::FAVICON) {
 120     return favicon_service->GetFaviconImageForPageURL(
 121         page_url, callback, tracker);
 122   } else {
 123     return favicon_service->GetRawFaviconForPageURL(
 124         page_url,
 125         type,
 126         0,
 127         base::Bind(&RunCallbackWithImage, callback),
 128         tracker);
 129   }
 130 }
 131
 132 bool ChromeBookmarkClient::SupportsTypedCountForNodes() {
 133   return true;
 134 }
 135
 136 void ChromeBookmarkClient::GetTypedCountForNodes(
 137     const NodeSet& nodes,
 138     NodeTypedCountPairs* node_typed_count_pairs) {
 139   history::URLDatabase* url_db =
 140       history_service_ ? history_service_->InMemoryDatabase() : NULL;
 141   for (NodeSet::const_iterator i = nodes.begin(); i != nodes.end(); ++i) {
 142     int typed_count = 0;
 143
 144     // If |url_db| is the InMemoryDatabase, it might not cache all URLRows, but
 145     // it guarantees to contain those with |typed_count| > 0. Thus, if we cannot
 146     // fetch the URLRow, it is safe to assume that its |typed_count| is 0.
 147     history::URLRow url;
 148     if (url_db && url_db->GetRowForURL((*i)->url(), &url))
 149       typed_count = url.typed_count();
 150
 151     NodeTypedCountPair pair(*i, typed_count);
 152     node_typed_count_pairs->push_back(pair);
 153   }
 154 }
 155
 156 bool ChromeBookmarkClient::IsPermanentNodeVisible(
 157     const BookmarkPermanentNode* node) {
 158   DCHECK(node->type() == BookmarkNode::BOOKMARK_BAR ||
 159          node->type() == BookmarkNode::OTHER_NODE ||
 160          node->type() == BookmarkNode::MOBILE ||
 161          node == managed_node_ ||
 162          node == supervised_node_);
 163   if (node == managed_node_ || node == supervised_node_)
 164     return false;
 165 #if !defined(OS_IOS)
 166   return node->type() != BookmarkNode::MOBILE;
 167 #else
 168   return node->type() == BookmarkNode::MOBILE;
 169 #endif
 170 }
 171
 172 void ChromeBookmarkClient::RecordAction(const base::UserMetricsAction& action) {
 173   content::RecordAction(action);
 174 }
 175
 176 bookmarks::LoadExtraCallback ChromeBookmarkClient::GetLoadExtraNodesCallback() {
 177   // Create the managed_node_ and supervised_node_ with a temporary ID of 0 now.
 178   // They will be populated (and assigned proper IDs) in the LoadExtraNodes
 179   // callback.
 180   // The ownership of managed_node_ and supervised_node_ is in limbo until
 181   // LoadExtraNodes runs, so we leave them in the care of the closure meanwhile.
 182   scoped_ptr<BookmarkPermanentNode> managed(new BookmarkPermanentNode(0));
 183   managed_node_ = managed.get();
 184   scoped_ptr<BookmarkPermanentNode> supervised(new BookmarkPermanentNode(0));
 185   supervised_node_ = supervised.get();
 186
 187   return base::Bind(
 188       &ChromeBookmarkClient::LoadExtraNodes,
 189       base::Passed(&managed),
 190       base::Passed(managed_bookmarks_tracker_->GetInitialManagedBookmarks()),
 191       base::Passed(&supervised),
 192       base::Passed(
 193           supervised_bookmarks_tracker_->GetInitialManagedBookmarks()));
 194 }
 195
 196 bool ChromeBookmarkClient::CanSetPermanentNodeTitle(
 197     const BookmarkNode* permanent_node) {
 198   // The |managed_node_| can have its title updated if the user signs in or
 199   // out, since the name of the managed domain can appear in it. The
 200   // |supervised_node_| has a fixed title which can never be updated.
 201   return (!bookmarks::IsDescendantOf(permanent_node, managed_node_) &&
 202           !bookmarks::IsDescendantOf(permanent_node, supervised_node_)) ||
 203          permanent_node == managed_node_;
 204 }
 205
 206 bool ChromeBookmarkClient::CanSyncNode(const BookmarkNode* node) {
 207   return !bookmarks::IsDescendantOf(node, managed_node_) &&
 208          !bookmarks::IsDescendantOf(node, supervised_node_);
 209 }
 210
 211 bool ChromeBookmarkClient::CanBeEditedByUser(const BookmarkNode* node) {
 212   return !bookmarks::IsDescendantOf(node, managed_node_) &&
 213          !bookmarks::IsDescendantOf(node, supervised_node_);
 214 }
 215
 216 void ChromeBookmarkClient::SetHistoryService(HistoryService* history_service) {
 217   DCHECK(history_service);
 218   history_service_ = history_service;
 219   favicon_changed_subscription_ = history_service_->AddFaviconChangedCallback(
 220       base::Bind(&BookmarkModel::OnFaviconChanged, base::Unretained(model_)));
 221 }
 222
 223 void ChromeBookmarkClient::BookmarkModelChanged() {
 224 }
 225
 226 void ChromeBookmarkClient::BookmarkNodeRemoved(
 227     BookmarkModel* model,
 228     const BookmarkNode* parent,
 229     int old_index,
 230     const BookmarkNode* node,
 231     const std::set<GURL>& removed_urls) {
 232   if (history_service_)
 233     history_service_->URLsNoLongerBookmarked(removed_urls);
 234 }
 235
 236 void ChromeBookmarkClient::BookmarkAllUserNodesRemoved(
 237     BookmarkModel* model,
 238     const std::set<GURL>& removed_urls) {
 239   if (history_service_)
 240     history_service_->URLsNoLongerBookmarked(removed_urls);
 241 }
 242
 243 void ChromeBookmarkClient::BookmarkModelLoaded(BookmarkModel* model,
 244                                                bool ids_reassigned) {
 245   // Start tracking the managed and supervised bookmarks. This will detect any
 246   // changes that may have occurred while the initial managed and supervised
 247   // bookmarks were being loaded on the background.
 248   managed_bookmarks_tracker_->Init(managed_node_);
 249   supervised_bookmarks_tracker_->Init(supervised_node_);
 250 }
 251
 252 // static
 253 bookmarks::BookmarkPermanentNodeList ChromeBookmarkClient::LoadExtraNodes(
 254     scoped_ptr<BookmarkPermanentNode> managed_node,
 255     scoped_ptr<base::ListValue> initial_managed_bookmarks,
 256     scoped_ptr<BookmarkPermanentNode> supervised_node,
 257     scoped_ptr<base::ListValue> initial_supervised_bookmarks,
 258     int64* next_node_id) {
 259   LoadInitialContents(
 260       managed_node.get(), initial_managed_bookmarks.get(), next_node_id);
 261   managed_node->SetTitle(l10n_util::GetStringUTF16(
 262       IDS_BOOKMARK_BAR_MANAGED_FOLDER_DEFAULT_NAME));
 263
 264   LoadInitialContents(
 265       supervised_node.get(), initial_supervised_bookmarks.get(), next_node_id);
 266   supervised_node->SetTitle(l10n_util::GetStringUTF16(
 267       IDS_BOOKMARK_BAR_SUPERVISED_FOLDER_DEFAULT_NAME));
 268
 269   bookmarks::BookmarkPermanentNodeList extra_nodes;
 270   // Ownership of the managed and supervised nodes passed to the caller.
 271   extra_nodes.push_back(managed_node.release());
 272   extra_nodes.push_back(supervised_node.release());
 273
 274   return extra_nodes.Pass();
 275 }
 276
 277 std::string ChromeBookmarkClient::GetManagedBookmarksDomain() {
 278   policy::ProfilePolicyConnector* connector =
 279       policy::ProfilePolicyConnectorFactory::GetForBrowserContext(profile_);
 280   if (connector->IsPolicyFromCloudPolicy(policy::key::kManagedBookmarks))
 281     return connector->GetManagementDomain();
 282   return std::string();
 283 }