| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h" |
| |
| #include "base/bind.h" |
| #include "base/metrics/histogram.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/app/chrome_command_ids.h" |
| #include "chrome/browser/favicon/favicon_service_factory.h" |
| #include "chrome/browser/prefs/scoped_user_pref_update.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/search/search.h" |
| #include "chrome/browser/sessions/session_restore.h" |
| #include "chrome/browser/sessions/tab_restore_service.h" |
| #include "chrome/browser/sessions/tab_restore_service_delegate.h" |
| #include "chrome/browser/sessions/tab_restore_service_factory.h" |
| #include "chrome/browser/sync/glue/session_model_associator.h" |
| #include "chrome/browser/sync/glue/synced_session.h" |
| #include "chrome/browser/sync/profile_sync_service.h" |
| #include "chrome/browser/sync/profile_sync_service_factory.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_commands.h" |
| #include "chrome/browser/ui/tabs/tab_strip_model.h" |
| #include "chrome/common/favicon/favicon_types.h" |
| #include "chrome/common/pref_names.h" |
| #include "grit/browser_resources.h" |
| #include "grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "grit/ui_resources.h" |
| #include "ui/base/accelerators/accelerator.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/gfx/favicon_size.h" |
| |
| #if defined(USE_ASH) |
| #include "ash/accelerators/accelerator_table.h" |
| #endif // defined(USE_ASH) |
| |
| namespace { |
| |
| // First comamnd id for navigatable (and hence executable) tab menu item. |
| // The models and menu are not 1-1: |
| // - menu has "Reopen closed tab", "No tabs from other devices", device section |
| // headers, separators and executable tab items. |
| // - |tab_navigation_items_| only has navigatabale/executable tab items. |
| // - |window_items_| only has executable open window items. |
| // Using an initial command ids for tab/window items makes it easier and less |
| // error-prone to manipulate the models and menu. |
| // These values must be bigger than the maximum possible number of items in |
| // menu, so that index of last menu item doesn't clash with this value when menu |
| // items are retrieved via GetIndexOfCommandId. |
| const int kFirstTabCommandId = 100; |
| const int kFirstWindowCommandId = 200; |
| |
| // The maximum number of recently closed entries to be shown in the menu. |
| const int kMaxRecentlyClosedEntries = 8; |
| |
| // Comparator function for use with std::sort that will sort sessions by |
| // descending modified_time (i.e., most recent first). |
| bool SortSessionsByRecency(const browser_sync::SyncedSession* s1, |
| const browser_sync::SyncedSession* s2) { |
| return s1->modified_time > s2->modified_time; |
| } |
| |
| // Comparator function for use with std::sort that will sort tabs by |
| // descending timestamp (i.e., most recent first). |
| bool SortTabsByRecency(const SessionTab* t1, const SessionTab* t2) { |
| return t1->timestamp > t2->timestamp; |
| } |
| |
| // Returns true if the command id is related to a tab model index. |
| bool IsTabModelCommandId(int command_id) { |
| return command_id >= kFirstTabCommandId && command_id < kFirstWindowCommandId; |
| } |
| |
| // Returns true if the command id is related to a window model index. |
| bool IsWindowModelCommandId(int command_id) { |
| return command_id >= kFirstWindowCommandId && |
| command_id < RecentTabsSubMenuModel::kRecentlyClosedHeaderCommandId; |
| } |
| |
| // Convert |tab_model_index| to command id of menu item. |
| int TabModelIndexToCommandId(int tab_model_index) { |
| int command_id = tab_model_index + kFirstTabCommandId; |
| DCHECK_LT(command_id, kFirstWindowCommandId); |
| return command_id; |
| } |
| |
| // Convert |command_id| of menu item to index in tab model. |
| int CommandIdToTabModelIndex(int command_id) { |
| DCHECK_GE(command_id, kFirstTabCommandId); |
| DCHECK_LT(command_id, kFirstWindowCommandId); |
| return command_id - kFirstTabCommandId; |
| } |
| |
| // Convert |window_model_index| to command id of menu item. |
| int WindowModelIndexToCommandId(int window_model_index) { |
| int command_id = window_model_index + kFirstWindowCommandId; |
| DCHECK_LT(command_id, RecentTabsSubMenuModel::kRecentlyClosedHeaderCommandId); |
| return command_id; |
| } |
| |
| // Convert |command_id| of menu item to index in window model. |
| int CommandIdToWindowModelIndex(int command_id) { |
| DCHECK_GE(command_id, kFirstWindowCommandId); |
| DCHECK_LT(command_id, RecentTabsSubMenuModel::kRecentlyClosedHeaderCommandId); |
| return command_id - kFirstWindowCommandId; |
| } |
| |
| } // namespace |
| |
| enum RecentTabAction { |
| LOCAL_SESSION_TAB = 0, |
| OTHER_DEVICE_TAB, |
| RESTORE_WINDOW, |
| SHOW_MORE, |
| LIMIT_RECENT_TAB_ACTION |
| }; |
| |
| // An element in |RecentTabsSubMenuModel::tab_navigation_items_| that stores |
| // the navigation information of a local or foreign tab required to restore the |
| // tab. |
| struct RecentTabsSubMenuModel::TabNavigationItem { |
| TabNavigationItem() : tab_id(-1) {} |
| |
| TabNavigationItem(const std::string& session_tag, |
| const SessionID::id_type& tab_id, |
| const string16& title, |
| const GURL& url) |
| : session_tag(session_tag), |
| tab_id(tab_id), |
| title(title), |
| url(url) {} |
| |
| // For use by std::set for sorting. |
| bool operator<(const TabNavigationItem& other) const { |
| return url < other.url; |
| } |
| |
| std::string session_tag; // Empty for local tabs, non-empty for foreign tabs. |
| SessionID::id_type tab_id; // -1 for invalid, >= 0 otherwise. |
| string16 title; |
| GURL url; |
| }; |
| |
| const int RecentTabsSubMenuModel::kRecentlyClosedHeaderCommandId = 500; |
| const int RecentTabsSubMenuModel::kDisabledRecentlyClosedHeaderCommandId = 501; |
| const int RecentTabsSubMenuModel::kDeviceNameCommandId = 1000; |
| |
| RecentTabsSubMenuModel::RecentTabsSubMenuModel( |
| ui::AcceleratorProvider* accelerator_provider, |
| Browser* browser, |
| browser_sync::SessionModelAssociator* associator) |
| : ui::SimpleMenuModel(this), |
| browser_(browser), |
| associator_(associator), |
| default_favicon_(ResourceBundle::GetSharedInstance(). |
| GetNativeImageNamed(IDR_DEFAULT_FAVICON)), |
| weak_ptr_factory_(this) { |
| Build(); |
| |
| // Retrieve accelerator key for IDC_RESTORE_TAB now, because on ASH, it's not |
| // defined in |accelerator_provider|, but in shell, so simply retrieve it now |
| // for all ASH and non-ASH for use in |GetAcceleratorForCommandId|. |
| #if defined(USE_ASH) |
| for (size_t i = 0; i < ash::kAcceleratorDataLength; ++i) { |
| const ash::AcceleratorData& accel_data = ash::kAcceleratorData[i]; |
| if (accel_data.action == ash::RESTORE_TAB) { |
| reopen_closed_tab_accelerator_ = ui::Accelerator(accel_data.keycode, |
| accel_data.modifiers); |
| break; |
| } |
| } |
| #else |
| if (accelerator_provider) { |
| accelerator_provider->GetAcceleratorForCommandId( |
| IDC_RESTORE_TAB, &reopen_closed_tab_accelerator_); |
| } |
| #endif // defined(USE_ASH) |
| } |
| |
| RecentTabsSubMenuModel::~RecentTabsSubMenuModel() { |
| } |
| |
| bool RecentTabsSubMenuModel::IsCommandIdChecked(int command_id) const { |
| return false; |
| } |
| |
| bool RecentTabsSubMenuModel::IsCommandIdEnabled(int command_id) const { |
| if (command_id == kRecentlyClosedHeaderCommandId || |
| command_id == kDisabledRecentlyClosedHeaderCommandId || |
| command_id == kDeviceNameCommandId || |
| command_id == IDC_RECENT_TABS_NO_DEVICE_TABS) { |
| return false; |
| } |
| return true; |
| } |
| |
| bool RecentTabsSubMenuModel::GetAcceleratorForCommandId( |
| int command_id, ui::Accelerator* accelerator) { |
| // If there are no recently closed items, we show the accelerator beside |
| // the header, otherwise, we show it beside the first item underneath it. |
| int index_in_menu = GetIndexOfCommandId(command_id); |
| int header_index = GetIndexOfCommandId(kRecentlyClosedHeaderCommandId); |
| if ((command_id == kDisabledRecentlyClosedHeaderCommandId || |
| (header_index != -1 && index_in_menu == header_index + 1)) && |
| reopen_closed_tab_accelerator_.key_code() != ui::VKEY_UNKNOWN) { |
| *accelerator = reopen_closed_tab_accelerator_; |
| return true; |
| } |
| return false; |
| } |
| |
| void RecentTabsSubMenuModel::ExecuteCommand(int command_id, int event_flags) { |
| if (command_id == IDC_SHOW_HISTORY) { |
| UMA_HISTOGRAM_ENUMERATION("WrenchMenu.RecentTabsSubMenu", SHOW_MORE, |
| LIMIT_RECENT_TAB_ACTION); |
| // We show all "other devices" on the history page. |
| chrome::ExecuteCommandWithDisposition(browser_, IDC_SHOW_HISTORY, |
| ui::DispositionFromEventFlags(event_flags)); |
| return; |
| } |
| |
| DCHECK_NE(kDeviceNameCommandId, command_id); |
| DCHECK_NE(IDC_RECENT_TABS_NO_DEVICE_TABS, command_id); |
| |
| WindowOpenDisposition disposition = |
| ui::DispositionFromEventFlags(event_flags); |
| if (disposition == CURRENT_TAB) // Force to open a new foreground tab. |
| disposition = NEW_FOREGROUND_TAB; |
| |
| TabRestoreService* service = |
| TabRestoreServiceFactory::GetForProfile(browser_->profile()); |
| TabRestoreServiceDelegate* delegate = |
| TabRestoreServiceDelegate::FindDelegateForWebContents( |
| browser_->tab_strip_model()->GetActiveWebContents()); |
| if (IsTabModelCommandId(command_id)) { |
| int model_idx = CommandIdToTabModelIndex(command_id); |
| DCHECK(model_idx >= 0 && |
| model_idx < static_cast<int>(tab_navigation_items_.size())); |
| const TabNavigationItem& item = tab_navigation_items_[model_idx]; |
| DCHECK(item.tab_id > -1 && item.url.is_valid()); |
| |
| if (item.session_tag.empty()) { // Restore tab of local session. |
| if (service && delegate) { |
| UMA_HISTOGRAM_ENUMERATION("WrenchMenu.RecentTabsSubMenu", |
| LOCAL_SESSION_TAB, LIMIT_RECENT_TAB_ACTION); |
| service->RestoreEntryById(delegate, item.tab_id, |
| browser_->host_desktop_type(), disposition); |
| } |
| } else { // Restore tab of foreign session. |
| browser_sync::SessionModelAssociator* associator = GetModelAssociator(); |
| if (!associator) |
| return; |
| const SessionTab* tab; |
| if (!associator->GetForeignTab(item.session_tag, item.tab_id, &tab)) |
| return; |
| if (tab->navigations.empty()) |
| return; |
| UMA_HISTOGRAM_ENUMERATION("WrenchMenu.RecentTabsSubMenu", |
| OTHER_DEVICE_TAB, LIMIT_RECENT_TAB_ACTION); |
| SessionRestore::RestoreForeignSessionTab( |
| browser_->tab_strip_model()->GetActiveWebContents(), |
| *tab, disposition); |
| } |
| } else { |
| DCHECK(IsWindowModelCommandId(command_id)); |
| if (service && delegate) { |
| int model_idx = CommandIdToWindowModelIndex(command_id); |
| DCHECK(model_idx >= 0 && |
| model_idx < static_cast<int>(window_items_.size())); |
| UMA_HISTOGRAM_ENUMERATION("WrenchMenu.RecentTabsSubMenu", RESTORE_WINDOW, |
| LIMIT_RECENT_TAB_ACTION); |
| service->RestoreEntryById(delegate, window_items_[model_idx], |
| browser_->host_desktop_type(), disposition); |
| } |
| } |
| } |
| |
| const gfx::Font* RecentTabsSubMenuModel::GetLabelFontAt(int index) const { |
| int command_id = GetCommandIdAt(index); |
| if (command_id == kDeviceNameCommandId || |
| command_id == kRecentlyClosedHeaderCommandId) { |
| return &ResourceBundle::GetSharedInstance().GetFont( |
| ResourceBundle::BoldFont); |
| } |
| return NULL; |
| } |
| |
| int RecentTabsSubMenuModel::GetMaxWidthForItemAtIndex(int item_index) const { |
| int command_id = GetCommandIdAt(item_index); |
| if (command_id == IDC_RECENT_TABS_NO_DEVICE_TABS || |
| command_id == kRecentlyClosedHeaderCommandId || |
| command_id == kDisabledRecentlyClosedHeaderCommandId) { |
| return -1; |
| } |
| return 320; |
| } |
| |
| bool RecentTabsSubMenuModel::GetURLAndTitleForItemAtIndex( |
| int index, |
| std::string* url, |
| string16* title) const { |
| int command_id = GetCommandIdAt(index); |
| if (IsTabModelCommandId(command_id)) { |
| int model_idx = CommandIdToTabModelIndex(command_id); |
| DCHECK(model_idx >= 0 && |
| model_idx < static_cast<int>(tab_navigation_items_.size())); |
| *url = tab_navigation_items_[model_idx].url.possibly_invalid_spec(); |
| *title = tab_navigation_items_[model_idx].title; |
| return true; |
| } |
| return false; |
| } |
| |
| void RecentTabsSubMenuModel::Build() { |
| // The menu contains: |
| // - Recently closed tabs header, then list of tabs, then separator |
| // - device 1 section header, then list of tabs from device, then separator |
| // - device 2 section header, then list of tabs from device, then separator |
| // - device 3 section header, then list of tabs from device, then separator |
| // - More... to open the history tab to get more other devices. |
| // |tab_navigation_items_| only contains navigatable (and hence executable) |
| // tab items for other devices, and |window_items_| contains the recently |
| // closed windows. |
| BuildRecentTabs(); |
| BuildDevices(); |
| } |
| |
| void RecentTabsSubMenuModel::BuildRecentTabs() { |
| ListValue recently_closed_list; |
| TabRestoreService* service = |
| TabRestoreServiceFactory::GetForProfile(browser_->profile()); |
| if (service) { |
| // This does nothing if the tabs have already been loaded or they |
| // shouldn't be loaded. |
| service->LoadTabsFromLastSession(); |
| } |
| |
| if (!service || service->entries().size() == 0) { |
| // This is to show a disabled restore tab entry with the accelerator to |
| // teach users about this command. |
| AddItemWithStringId(kDisabledRecentlyClosedHeaderCommandId, |
| IDS_NEW_TAB_RECENTLY_CLOSED); |
| return; |
| } |
| |
| AddItemWithStringId(kRecentlyClosedHeaderCommandId, |
| IDS_NEW_TAB_RECENTLY_CLOSED); |
| ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| SetIcon(GetItemCount() - 1, |
| rb.GetNativeImageNamed(IDR_RECENTLY_CLOSED_WINDOW)); |
| |
| int added_count = 0; |
| TabRestoreService::Entries entries = service->entries(); |
| for (TabRestoreService::Entries::const_iterator it = entries.begin(); |
| it != entries.end() && added_count < kMaxRecentlyClosedEntries; ++it) { |
| TabRestoreService::Entry* entry = *it; |
| if (entry->type == TabRestoreService::TAB) { |
| TabRestoreService::Tab* tab = static_cast<TabRestoreService::Tab*>(entry); |
| const sessions::SerializedNavigationEntry& current_navigation = |
| tab->navigations.at(tab->current_navigation_index); |
| BuildLocalTabItem( |
| entry->id, |
| current_navigation.title(), |
| current_navigation.virtual_url()); |
| } else { |
| DCHECK_EQ(entry->type, TabRestoreService::WINDOW); |
| BuildWindowItem( |
| entry->id, |
| static_cast<TabRestoreService::Window*>(entry)->tabs.size()); |
| } |
| ++added_count; |
| } |
| } |
| |
| void RecentTabsSubMenuModel::BuildDevices() { |
| browser_sync::SessionModelAssociator* associator = GetModelAssociator(); |
| std::vector<const browser_sync::SyncedSession*> sessions; |
| if (!associator || !associator->GetAllForeignSessions(&sessions)) { |
| AddSeparator(ui::NORMAL_SEPARATOR); |
| AddItemWithStringId(IDC_RECENT_TABS_NO_DEVICE_TABS, |
| IDS_RECENT_TABS_NO_DEVICE_TABS); |
| return; |
| } |
| |
| // Sort sessions from most recent to least recent. |
| std::sort(sessions.begin(), sessions.end(), SortSessionsByRecency); |
| |
| const size_t kMaxSessionsToShow = 3; |
| size_t num_sessions_added = 0; |
| for (size_t i = 0; |
| i < sessions.size() && num_sessions_added < kMaxSessionsToShow; ++i) { |
| const browser_sync::SyncedSession* session = sessions[i]; |
| const std::string& session_tag = session->session_tag; |
| |
| // Get windows of session. |
| std::vector<const SessionWindow*> windows; |
| if (!associator->GetForeignSession(session_tag, &windows) || |
| windows.empty()) { |
| continue; |
| } |
| |
| // Collect tabs from all windows of session, pruning those that are not |
| // syncable or are NewTabPage, then sort them from most recent to least |
| // recent, independent of which window the tabs were from. |
| std::vector<const SessionTab*> tabs_in_session; |
| for (size_t j = 0; j < windows.size(); ++j) { |
| const SessionWindow* window = windows[j]; |
| for (size_t t = 0; t < window->tabs.size(); ++t) { |
| const SessionTab* tab = window->tabs[t]; |
| if (tab->navigations.empty()) |
| continue; |
| const sessions::SerializedNavigationEntry& current_navigation = |
| tab->navigations.at(tab->normalized_navigation_index()); |
| if (chrome::IsNTPURL(current_navigation.virtual_url(), |
| browser_->profile())) { |
| continue; |
| } |
| tabs_in_session.push_back(tab); |
| } |
| } |
| if (tabs_in_session.empty()) |
| continue; |
| std::sort(tabs_in_session.begin(), tabs_in_session.end(), |
| SortTabsByRecency); |
| |
| // Add the header for the device session. |
| DCHECK(!session->session_name.empty()); |
| AddSeparator(ui::NORMAL_SEPARATOR); |
| AddItem(kDeviceNameCommandId, UTF8ToUTF16(session->session_name)); |
| AddDeviceFavicon(GetItemCount() - 1, session->device_type); |
| |
| // Build tab menu items from sorted session tabs. |
| const size_t kMaxTabsPerSessionToShow = 4; |
| for (size_t k = 0; |
| k < std::min(tabs_in_session.size(), kMaxTabsPerSessionToShow); |
| ++k) { |
| BuildForeignTabItem(session_tag, *tabs_in_session[k]); |
| } // for all tabs in one session |
| |
| ++num_sessions_added; |
| } // for all sessions |
| |
| // We are not supposed to get here unless at least some items were added. |
| DCHECK_GT(GetItemCount(), 0); |
| AddSeparator(ui::NORMAL_SEPARATOR); |
| AddItemWithStringId(IDC_SHOW_HISTORY, IDS_RECENT_TABS_MORE); |
| } |
| |
| void RecentTabsSubMenuModel::BuildLocalTabItem( |
| int session_id, |
| const string16& title, |
| const GURL& url) { |
| TabNavigationItem item("", session_id, title, url); |
| int command_id = TabModelIndexToCommandId(tab_navigation_items_.size()); |
| // There may be no tab title, in which case, use the url as tab title. |
| AddItem(command_id, title.empty() ? UTF8ToUTF16(item.url.spec()) : title); |
| AddTabFavicon(tab_navigation_items_.size(), command_id, item.url); |
| tab_navigation_items_.push_back(item); |
| } |
| |
| void RecentTabsSubMenuModel::BuildForeignTabItem( |
| const std::string& session_tag, |
| const SessionTab& tab) { |
| const sessions::SerializedNavigationEntry& current_navigation = |
| tab.navigations.at(tab.normalized_navigation_index()); |
| TabNavigationItem item(session_tag, tab.tab_id.id(), |
| current_navigation.title(), |
| current_navigation.virtual_url()); |
| int command_id = TabModelIndexToCommandId(tab_navigation_items_.size()); |
| // There may be no tab title, in which case, use the url as tab title. |
| AddItem(command_id, |
| current_navigation.title().empty() ? |
| UTF8ToUTF16(item.url.spec()) : current_navigation.title()); |
| AddTabFavicon(tab_navigation_items_.size(), command_id, item.url); |
| tab_navigation_items_.push_back(item); |
| } |
| |
| void RecentTabsSubMenuModel::BuildWindowItem( |
| const SessionID::id_type& window_id, |
| int num_tabs) { |
| int command_id = WindowModelIndexToCommandId(window_items_.size()); |
| if (num_tabs == 1) { |
| AddItemWithStringId(command_id, IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE); |
| } else { |
| AddItem(command_id, l10n_util::GetStringFUTF16( |
| IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE, |
| base::IntToString16(num_tabs))); |
| } |
| ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| SetIcon(GetItemCount() - 1, |
| rb.GetNativeImageNamed(IDR_RECENTLY_CLOSED_WINDOW)); |
| window_items_.push_back(window_id); |
| } |
| |
| void RecentTabsSubMenuModel::AddDeviceFavicon( |
| int index_in_menu, |
| browser_sync::SyncedSession::DeviceType device_type) { |
| int favicon_id = -1; |
| switch (device_type) { |
| case browser_sync::SyncedSession::TYPE_PHONE: |
| favicon_id = IDR_PHONE_FAVICON; |
| break; |
| |
| case browser_sync::SyncedSession::TYPE_TABLET: |
| favicon_id = IDR_TABLET_FAVICON; |
| break; |
| |
| case browser_sync::SyncedSession::TYPE_CHROMEOS: |
| case browser_sync::SyncedSession::TYPE_WIN: |
| case browser_sync::SyncedSession::TYPE_MACOSX: |
| case browser_sync::SyncedSession::TYPE_LINUX: |
| case browser_sync::SyncedSession::TYPE_OTHER: |
| case browser_sync::SyncedSession::TYPE_UNSET: |
| favicon_id = IDR_LAPTOP_FAVICON; |
| break; |
| }; |
| |
| ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| SetIcon(index_in_menu, rb.GetNativeImageNamed(favicon_id)); |
| } |
| |
| void RecentTabsSubMenuModel::AddTabFavicon(int model_index, |
| int command_id, |
| const GURL& url) { |
| int index_in_menu = GetIndexOfCommandId(command_id); |
| |
| // If tab has synced favicon, use it. |
| // Note that currently, foreign tab only has favicon if --sync-tab-favicons |
| // switch is on; according to zea@, this flag is now automatically enabled for |
| // iOS and android, and they're looking into enabling it for other platforms. |
| browser_sync::SessionModelAssociator* associator = GetModelAssociator(); |
| scoped_refptr<base::RefCountedMemory> favicon_png; |
| if (associator && |
| associator->GetSyncedFaviconForPageURL(url.spec(), &favicon_png)) { |
| gfx::Image image = gfx::Image::CreateFrom1xPNGBytes( |
| favicon_png->front(), |
| favicon_png->size()); |
| SetIcon(index_in_menu, image); |
| return; |
| } |
| |
| // Otherwise, start to fetch the favicon from local history asynchronously. |
| // Set default icon first. |
| SetIcon(index_in_menu, default_favicon_); |
| // Start request to fetch actual icon if possible. |
| FaviconService* favicon_service = FaviconServiceFactory::GetForProfile( |
| browser_->profile(), Profile::EXPLICIT_ACCESS); |
| if (!favicon_service) |
| return; |
| |
| favicon_service->GetFaviconImageForURL( |
| FaviconService::FaviconForURLParams(browser_->profile(), |
| url, |
| chrome::FAVICON, |
| gfx::kFaviconSize), |
| base::Bind(&RecentTabsSubMenuModel::OnFaviconDataAvailable, |
| weak_ptr_factory_.GetWeakPtr(), |
| command_id), |
| &cancelable_task_tracker_); |
| } |
| |
| void RecentTabsSubMenuModel::OnFaviconDataAvailable( |
| int command_id, |
| const chrome::FaviconImageResult& image_result) { |
| if (image_result.image.IsEmpty()) |
| return; |
| DCHECK(!tab_navigation_items_.empty()); |
| int index_in_menu = GetIndexOfCommandId(command_id); |
| DCHECK(index_in_menu != -1); |
| SetIcon(index_in_menu, image_result.image); |
| if (GetMenuModelDelegate()) |
| GetMenuModelDelegate()->OnIconChanged(index_in_menu); |
| } |
| |
| browser_sync::SessionModelAssociator* |
| RecentTabsSubMenuModel::GetModelAssociator() { |
| if (!associator_) { |
| ProfileSyncService* service = ProfileSyncServiceFactory::GetInstance()-> |
| GetForProfile(browser_->profile()); |
| // Only return the associator if it exists and it is done syncing sessions. |
| if (service && service->ShouldPushChanges()) |
| associator_ = service->GetSessionModelAssociator(); |
| } |
| return associator_; |
| } |