// 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/browser.h" #if defined(OS_WIN) #include #include #endif // defined(OS_WIN) #include #include #include "base/base_paths.h" #include "base/bind.h" #include "base/command_line.h" #include "base/logging.h" #include "base/metrics/histogram.h" #include "base/path_service.h" #include "base/prefs/pref_service.h" #include "base/process/process_info.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_util.h" #include "base/strings/stringprintf.h" #include "base/strings/utf_string_conversions.h" #include "base/threading/thread.h" #include "base/threading/thread_restrictions.h" #include "base/time/time.h" #include "chrome/app/chrome_command_ids.h" #include "chrome/browser/app_mode/app_mode_utils.h" #include "chrome/browser/autofill/personal_data_manager_factory.h" #include "chrome/browser/background/background_contents_service.h" #include "chrome/browser/background/background_contents_service_factory.h" #include "chrome/browser/browser_process.h" #include "chrome/browser/browser_shutdown.h" #include "chrome/browser/character_encoding.h" #include "chrome/browser/chrome_notification_types.h" #include "chrome/browser/chrome_page_zoom.h" #include "chrome/browser/content_settings/host_content_settings_map.h" #include "chrome/browser/content_settings/tab_specific_content_settings.h" #include "chrome/browser/custom_handlers/protocol_handler_registry.h" #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h" #include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h" #include "chrome/browser/custom_handlers/register_protocol_handler_permission_request.h" #include "chrome/browser/defaults.h" #include "chrome/browser/devtools/devtools_toggle_action.h" #include "chrome/browser/devtools/devtools_window.h" #include "chrome/browser/download/download_item_model.h" #include "chrome/browser/download/download_service.h" #include "chrome/browser/download/download_service_factory.h" #include "chrome/browser/download/download_shelf.h" #include "chrome/browser/extensions/api/tabs/tabs_event_router.h" #include "chrome/browser/extensions/api/tabs/tabs_windows_api.h" #include "chrome/browser/extensions/browser_extension_window_controller.h" #include "chrome/browser/extensions/extension_service.h" #include "chrome/browser/extensions/extension_util.h" #include "chrome/browser/extensions/tab_helper.h" #include "chrome/browser/favicon/favicon_tab_helper.h" #include "chrome/browser/file_select_helper.h" #include "chrome/browser/first_run/first_run.h" #include "chrome/browser/history/top_sites.h" #include "chrome/browser/infobars/infobar_service.h" #include "chrome/browser/infobars/simple_alert_infobar_delegate.h" #include "chrome/browser/lifetime/application_lifetime.h" #include "chrome/browser/notifications/notification_ui_manager.h" #include "chrome/browser/pepper_broker_infobar_delegate.h" #include "chrome/browser/prefs/incognito_mode_prefs.h" #include "chrome/browser/profiles/profile.h" #include "chrome/browser/profiles/profile_destroyer.h" #include "chrome/browser/profiles/profile_metrics.h" #include "chrome/browser/repost_form_warning_controller.h" #include "chrome/browser/search/search.h" #include "chrome/browser/sessions/session_service.h" #include "chrome/browser/sessions/session_service_factory.h" #include "chrome/browser/sessions/session_tab_helper.h" #include "chrome/browser/sessions/session_types.h" #include "chrome/browser/sessions/tab_restore_service.h" #include "chrome/browser/sessions/tab_restore_service_factory.h" #include "chrome/browser/sync/profile_sync_service.h" #include "chrome/browser/sync/profile_sync_service_factory.h" #include "chrome/browser/sync/sync_ui_util.h" #include "chrome/browser/tab_contents/background_contents.h" #include "chrome/browser/tab_contents/retargeting_details.h" #include "chrome/browser/tab_contents/tab_util.h" #include "chrome/browser/themes/theme_service.h" #include "chrome/browser/themes/theme_service_factory.h" #include "chrome/browser/translate/chrome_translate_client.h" #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h" #include "chrome/browser/ui/autofill/chrome_autofill_client.h" #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h" #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" #include "chrome/browser/ui/bookmarks/bookmark_utils.h" #include "chrome/browser/ui/browser_command_controller.h" #include "chrome/browser/ui/browser_commands.h" #include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h" #include "chrome/browser/ui/browser_content_translate_driver_observer.h" #include "chrome/browser/ui/browser_dialogs.h" #include "chrome/browser/ui/browser_finder.h" #include "chrome/browser/ui/browser_instant_controller.h" #include "chrome/browser/ui/browser_iterator.h" #include "chrome/browser/ui/browser_list.h" #include "chrome/browser/ui/browser_navigator.h" #include "chrome/browser/ui/browser_tab_restore_service_delegate.h" #include "chrome/browser/ui/browser_tab_strip_model_delegate.h" #include "chrome/browser/ui/browser_tabstrip.h" #include "chrome/browser/ui/browser_toolbar_model_delegate.h" #include "chrome/browser/ui/browser_ui_prefs.h" #include "chrome/browser/ui/browser_window.h" #include "chrome/browser/ui/chrome_pages.h" #include "chrome/browser/ui/chrome_select_file_policy.h" #include "chrome/browser/ui/fast_unload_controller.h" #include "chrome/browser/ui/find_bar/find_bar.h" #include "chrome/browser/ui/find_bar/find_bar_controller.h" #include "chrome/browser/ui/find_bar/find_tab_helper.h" #include "chrome/browser/ui/fullscreen/fullscreen_controller.h" #include "chrome/browser/ui/global_error/global_error.h" #include "chrome/browser/ui/global_error/global_error_service.h" #include "chrome/browser/ui/global_error/global_error_service_factory.h" #include "chrome/browser/ui/location_bar/location_bar.h" #include "chrome/browser/ui/media_utils.h" #include "chrome/browser/ui/search/search_delegate.h" #include "chrome/browser/ui/search/search_model.h" #include "chrome/browser/ui/search/search_tab_helper.h" #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h" #include "chrome/browser/ui/settings_window_manager.h" #include "chrome/browser/ui/singleton_tabs.h" #include "chrome/browser/ui/status_bubble.h" #include "chrome/browser/ui/sync/browser_synced_window_delegate.h" #include "chrome/browser/ui/tab_contents/core_tab_helper.h" #include "chrome/browser/ui/tab_helpers.h" #include "chrome/browser/ui/tab_modal_confirm_dialog.h" #include "chrome/browser/ui/tabs/tab_menu_model.h" #include "chrome/browser/ui/tabs/tab_strip_model.h" #include "chrome/browser/ui/tabs/tab_strip_model_utils.h" #include "chrome/browser/ui/toolbar/toolbar_model_impl.h" #include "chrome/browser/ui/unload_controller.h" #include "chrome/browser/ui/validation_message_bubble.h" #include "chrome/browser/ui/website_settings/permission_bubble_manager.h" #include "chrome/browser/ui/webui/signin/login_ui_service.h" #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h" #include "chrome/browser/ui/window_sizer/window_sizer.h" #include "chrome/browser/ui/zoom/zoom_controller.h" #include "chrome/browser/upgrade_detector.h" #include "chrome/browser/web_applications/web_app.h" #include "chrome/common/chrome_constants.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/custom_handlers/protocol_handler.h" #include "chrome/common/pref_names.h" #include "chrome/common/profiling.h" #include "chrome/common/search_types.h" #include "chrome/common/url_constants.h" #include "chrome/grit/chromium_strings.h" #include "chrome/grit/generated_resources.h" #include "chrome/grit/locale_settings.h" #include "components/bookmarks/browser/bookmark_model.h" #include "components/bookmarks/browser/bookmark_utils.h" #include "components/google/core/browser/google_url_tracker.h" #include "components/search/search.h" #include "components/startup_metric_utils/startup_metric_utils.h" #include "components/web_modal/popup_manager.h" #include "components/web_modal/web_contents_modal_dialog_manager.h" #include "content/public/browser/devtools_agent_host.h" #include "content/public/browser/download_item.h" #include "content/public/browser/download_manager.h" #include "content/public/browser/interstitial_page.h" #include "content/public/browser/invalidate_type.h" #include "content/public/browser/navigation_controller.h" #include "content/public/browser/navigation_entry.h" #include "content/public/browser/notification_details.h" #include "content/public/browser/notification_service.h" #include "content/public/browser/plugin_service.h" #include "content/public/browser/render_process_host.h" #include "content/public/browser/render_view_host.h" #include "content/public/browser/render_widget_host_view.h" #include "content/public/browser/site_instance.h" #include "content/public/browser/user_metrics.h" #include "content/public/browser/web_contents.h" #include "content/public/common/content_switches.h" #include "content/public/common/page_zoom.h" #include "content/public/common/renderer_preferences.h" #include "content/public/common/webplugininfo.h" #include "extensions/browser/extension_prefs.h" #include "extensions/browser/extension_system.h" #include "extensions/common/constants.h" #include "extensions/common/extension.h" #include "extensions/common/manifest_handlers/background_info.h" #include "net/base/filename_util.h" #include "net/base/registry_controlled_domains/registry_controlled_domain.h" #include "net/cookies/cookie_monster.h" #include "net/url_request/url_request_context.h" #include "third_party/WebKit/public/web/WebWindowFeatures.h" #include "ui/base/l10n/l10n_util.h" #include "ui/base/window_open_disposition.h" #include "ui/gfx/point.h" #include "ui/shell_dialogs/selected_file_info.h" #if defined(OS_WIN) #include "base/win/metro.h" #include "chrome/browser/ssl/ssl_error_info.h" #include "chrome/browser/task_manager/task_manager.h" #include "chrome/browser/ui/view_ids.h" #include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h" #include "ui/base/win/shell.h" #endif // OS_WIN #if defined(OS_CHROMEOS) #include "chrome/browser/chromeos/drive/file_system_util.h" #endif #if defined(USE_ASH) #include "ash/ash_switches.h" #endif using base::TimeDelta; using base::UserMetricsAction; using content::NativeWebKeyboardEvent; using content::NavigationController; using content::NavigationEntry; using content::OpenURLParams; using content::PluginService; using content::Referrer; using content::RenderWidgetHostView; using content::SiteInstance; using content::WebContents; using extensions::Extension; using ui::WebDialogDelegate; using web_modal::WebContentsModalDialogManager; using blink::WebWindowFeatures; /////////////////////////////////////////////////////////////////////////////// namespace { // How long we wait before updating the browser chrome while loading a page. const int kUIUpdateCoalescingTimeMS = 200; BrowserWindow* CreateBrowserWindow(Browser* browser) { return BrowserWindow::CreateBrowserWindow(browser); } // Is the fast tab unload experiment enabled? bool IsFastTabUnloadEnabled() { return CommandLine::ForCurrentProcess()->HasSwitch( switches::kEnableFastUnload); } } // namespace //////////////////////////////////////////////////////////////////////////////// // Browser, CreateParams: Browser::CreateParams::CreateParams(Profile* profile, chrome::HostDesktopType host_desktop_type) : type(TYPE_TABBED), profile(profile), host_desktop_type(host_desktop_type), trusted_source(false), initial_show_state(ui::SHOW_STATE_DEFAULT), is_session_restore(false), window(NULL) { } Browser::CreateParams::CreateParams(Type type, Profile* profile, chrome::HostDesktopType host_desktop_type) : type(type), profile(profile), host_desktop_type(host_desktop_type), trusted_source(false), initial_show_state(ui::SHOW_STATE_DEFAULT), is_session_restore(false), window(NULL) { } // static Browser::CreateParams Browser::CreateParams::CreateForApp( const std::string& app_name, bool trusted_source, const gfx::Rect& window_bounds, Profile* profile, chrome::HostDesktopType host_desktop_type) { DCHECK(!app_name.empty()); CreateParams params(TYPE_POPUP, profile, host_desktop_type); params.app_name = app_name; params.trusted_source = trusted_source; params.initial_bounds = window_bounds; return params; } // static Browser::CreateParams Browser::CreateParams::CreateForDevTools( Profile* profile, chrome::HostDesktopType host_desktop_type) { CreateParams params(TYPE_POPUP, profile, host_desktop_type); params.app_name = DevToolsWindow::kDevToolsApp; params.trusted_source = true; return params; } //////////////////////////////////////////////////////////////////////////////// // Browser, InterstitialObserver: class Browser::InterstitialObserver : public content::WebContentsObserver { public: InterstitialObserver(Browser* browser, content::WebContents* web_contents) : WebContentsObserver(web_contents), browser_(browser) { } virtual void DidAttachInterstitialPage() OVERRIDE { browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); } virtual void DidDetachInterstitialPage() OVERRIDE { browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); } private: Browser* browser_; DISALLOW_COPY_AND_ASSIGN(InterstitialObserver); }; /////////////////////////////////////////////////////////////////////////////// // Browser, Constructors, Creation, Showing: Browser::Browser(const CreateParams& params) : type_(params.type), profile_(params.profile), window_(NULL), tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)), tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(), params.profile)), app_name_(params.app_name), is_trusted_source_(params.trusted_source), cancel_download_confirmation_state_(NOT_PROMPTED), override_bounds_(params.initial_bounds), initial_show_state_(params.initial_show_state), is_session_restore_(params.is_session_restore), host_desktop_type_(BrowserWindow::AdjustHostDesktopType( params.host_desktop_type)), content_setting_bubble_model_delegate_( new BrowserContentSettingBubbleModelDelegate(this)), toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)), tab_restore_service_delegate_(new BrowserTabRestoreServiceDelegate(this)), synced_window_delegate_(new BrowserSyncedWindowDelegate(this)), bookmark_bar_state_(BookmarkBar::HIDDEN), command_controller_(new chrome::BrowserCommandController(this)), window_has_shown_(false), chrome_updater_factory_(this), translate_driver_observer_( new BrowserContentTranslateDriverObserver(this)), weak_factory_(this) { // If this causes a crash then a window is being opened using a profile type // that is disallowed by policy. The crash prevents the disabled window type // from opening at all, but the path that triggered it should be fixed. CHECK(IncognitoModePrefs::CanOpenBrowser(profile_)); CHECK(!profile_->IsGuestSession() || profile_->IsOffTheRecord()) << "Only off the record browser may be opened in guest mode"; // TODO(jeremy): Move to initializer list once flag is removed. if (IsFastTabUnloadEnabled()) fast_unload_controller_.reset(new chrome::FastUnloadController(this)); else unload_controller_.reset(new chrome::UnloadController(this)); tab_strip_model_->AddObserver(this); toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get())); search_model_.reset(new SearchModel()); search_delegate_.reset(new SearchDelegate(search_model_.get())); registrar_.Add(this, extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, content::Source(profile_->GetOriginalProfile())); registrar_.Add(this, extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED, content::Source(profile_->GetOriginalProfile())); registrar_.Add(this, extensions::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED, content::Source(profile_->GetOriginalProfile())); registrar_.Add(this, extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED, content::NotificationService::AllSources()); #if defined(ENABLE_THEMES) registrar_.Add( this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, content::Source( ThemeServiceFactory::GetForProfile(profile_))); #endif registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED, content::NotificationService::AllSources()); profile_pref_registrar_.Init(profile_->GetPrefs()); profile_pref_registrar_.Add( prefs::kDevToolsDisabled, base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this))); profile_pref_registrar_.Add( bookmarks::prefs::kShowBookmarkBar, base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this), BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE)); BrowserList::AddBrowser(this); // NOTE: These prefs all need to be explicitly destroyed in the destructor // or you'll get a nasty surprise when you run the incognito tests. encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector, profile_->GetPrefs()); if (chrome::IsInstantExtendedAPIEnabled() && is_type_tabbed()) instant_controller_.reset(new BrowserInstantController(this)); UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT); ProfileMetrics::LogProfileLaunch(profile_); window_ = params.window ? params.window : CreateBrowserWindow(this); // Create the extension window controller before sending notifications. extension_window_controller_.reset( new BrowserExtensionWindowController(this)); SessionService* session_service = SessionServiceFactory::GetForProfileForSessionRestore(profile_); if (session_service) session_service->WindowOpened(this); // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and // replace uses of this with BL's notifications. content::NotificationService::current()->Notify( chrome::NOTIFICATION_BROWSER_WINDOW_READY, content::Source(this), content::NotificationService::NoDetails()); // TODO(beng): move to ChromeBrowserMain: if (first_run::ShouldDoPersonalDataManagerFirstRun()) { #if defined(OS_WIN) // Notify PDM that this is a first run. ImportAutofillDataWin( autofill::PersonalDataManagerFactory::GetForProfile(profile_)); #endif // defined(OS_WIN) } fullscreen_controller_.reset(new FullscreenController(this)); // Must be initialized after window_. // Also: surprise! a modal dialog host is not necessary to host modal dialogs // without a modal dialog host, so that value may be null. popup_manager_.reset(new web_modal::PopupManager( GetWebContentsModalDialogHost())); } Browser::~Browser() { // Stop observing notifications before continuing with destruction. Profile // destruction will unload extensions and reentrant calls to Browser:: should // be avoided while it is being torn down. registrar_.RemoveAll(); // The tab strip should not have any tabs at this point. DCHECK(tab_strip_model_->empty()); tab_strip_model_->RemoveObserver(this); // Destroy the BrowserCommandController before removing the browser, so that // it doesn't act on any notifications that are sent as a result of removing // the browser. command_controller_.reset(); BrowserList::RemoveBrowser(this); SessionService* session_service = SessionServiceFactory::GetForProfile(profile_); if (session_service) session_service->WindowClosed(session_id_); TabRestoreService* tab_restore_service = TabRestoreServiceFactory::GetForProfile(profile()); if (tab_restore_service) tab_restore_service->BrowserClosed(tab_restore_service_delegate()); #if !defined(OS_MACOSX) if (!chrome::GetTotalBrowserCountForProfile(profile_)) { // We're the last browser window with this profile. We need to nuke the // TabRestoreService, which will start the shutdown of the // NavigationControllers and allow for proper shutdown. If we don't do this // chrome won't shutdown cleanly, and may end up crashing when some // thread tries to use the IO thread (or another thread) that is no longer // valid. // This isn't a valid assumption for Mac OS, as it stays running after // the last browser has closed. The Mac equivalent is in its app // controller. TabRestoreServiceFactory::ResetForProfile(profile_); } #endif profile_pref_registrar_.RemoveAll(); encoding_auto_detect_.Destroy(); // Destroy BrowserExtensionWindowController before the incognito profile // is destroyed to make sure the chrome.windows.onRemoved event is sent. extension_window_controller_.reset(); // Destroy BrowserInstantController before the incongnito profile is destroyed // because the InstantController destructor depends on this profile. instant_controller_.reset(); if (profile_->IsOffTheRecord() && !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) { // An incognito profile is no longer needed, this indirectly frees // its cache and cookies once it gets destroyed at the appropriate time. ProfileDestroyer::DestroyProfileWhenAppropriate(profile_); } // There may be pending file dialogs, we need to tell them that we've gone // away so they don't try and call back to us. if (select_file_dialog_.get()) select_file_dialog_->ListenerDestroyed(); int num_downloads; if (OkToCloseWithInProgressDownloads(&num_downloads) == DOWNLOAD_CLOSE_BROWSER_SHUTDOWN && !browser_defaults::kBrowserAliveWithNoWindows) { DownloadService::CancelAllDownloads(); } } /////////////////////////////////////////////////////////////////////////////// // Getters & Setters FindBarController* Browser::GetFindBarController() { if (!find_bar_controller_.get()) { FindBar* find_bar = window_->CreateFindBar(); find_bar_controller_.reset(new FindBarController(find_bar)); find_bar->SetFindBarController(find_bar_controller_.get()); find_bar_controller_->ChangeWebContents( tab_strip_model_->GetActiveWebContents()); find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); } return find_bar_controller_.get(); } bool Browser::HasFindBarController() const { return find_bar_controller_.get() != NULL; } bool Browser::is_app() const { return !app_name_.empty(); } bool Browser::is_devtools() const { return app_name_ == DevToolsWindow::kDevToolsApp; } /////////////////////////////////////////////////////////////////////////////// // Browser, State Storage and Retrieval for UI: gfx::Image Browser::GetCurrentPageIcon() const { WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); // |web_contents| can be NULL since GetCurrentPageIcon() is called by the // window during the window's creation (before tabs have been added). FaviconTabHelper* favicon_tab_helper = web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL; return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image(); } base::string16 Browser::GetWindowTitleForCurrentTab() const { WebContents* contents = tab_strip_model_->GetActiveWebContents(); base::string16 title; // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the // window during the window's creation (before tabs have been added). if (contents) { // Streamlined hosted apps use the host instead of the title. if (is_app() && extensions::util::IsStreamlinedHostedAppsEnabled()) return base::UTF8ToUTF16(contents->GetURL().host()); title = contents->GetTitle(); FormatTitleForDisplay(&title); } if (title.empty()) title = CoreTabHelper::GetDefaultTitle(); #if defined(OS_MACOSX) // On Mac, we don't want to suffix the page title with // the application name. return title; #elif defined(USE_ASH) // On Ash, we don't want to suffix the page title with the application name, // but on Windows, where USE_ASH can also be true, we still want the prefix // on desktop. if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) return title; #endif // Don't append the app name to window titles on app frames and app popups return is_app() ? title : l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title); } // static void Browser::FormatTitleForDisplay(base::string16* title) { size_t current_index = 0; size_t match_index; while ((match_index = title->find(L'\n', current_index)) != base::string16::npos) { title->replace(match_index, 1, base::string16()); current_index = match_index; } } /////////////////////////////////////////////////////////////////////////////// // Browser, OnBeforeUnload handling: bool Browser::ShouldCloseWindow() { if (!CanCloseWithInProgressDownloads()) return false; if (IsFastTabUnloadEnabled()) return fast_unload_controller_->ShouldCloseWindow(); return unload_controller_->ShouldCloseWindow(); } bool Browser::CallBeforeUnloadHandlers( const base::Callback& on_close_confirmed) { cancel_download_confirmation_state_ = RESPONSE_RECEIVED; if (IsFastTabUnloadEnabled()) { return fast_unload_controller_->CallBeforeUnloadHandlers( on_close_confirmed); } return unload_controller_->CallBeforeUnloadHandlers(on_close_confirmed); } void Browser::ResetBeforeUnloadHandlers() { cancel_download_confirmation_state_ = NOT_PROMPTED; if (IsFastTabUnloadEnabled()) fast_unload_controller_->ResetBeforeUnloadHandlers(); else unload_controller_->ResetBeforeUnloadHandlers(); } bool Browser::HasCompletedUnloadProcessing() const { DCHECK(IsFastTabUnloadEnabled()); return fast_unload_controller_->HasCompletedUnloadProcessing(); } bool Browser::IsAttemptingToCloseBrowser() const { if (IsFastTabUnloadEnabled()) return fast_unload_controller_->is_attempting_to_close_browser(); return unload_controller_->is_attempting_to_close_browser(); } void Browser::OnWindowClosing() { if (!ShouldCloseWindow()) return; // Application should shutdown on last window close if the user is explicitly // trying to quit, or if there is nothing keeping the browser alive (such as // AppController on the Mac, or BackgroundContentsService for background // pages). bool should_quit_if_last_browser = browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive(); if (should_quit_if_last_browser && chrome::ShouldStartShutdown(this)) browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE); // Don't use GetForProfileIfExisting here, we want to force creation of the // session service so that user can restore what was open. SessionService* session_service = SessionServiceFactory::GetForProfile(profile()); if (session_service) session_service->WindowClosing(session_id()); TabRestoreService* tab_restore_service = TabRestoreServiceFactory::GetForProfile(profile()); #if defined(USE_AURA) if (tab_restore_service && is_app() && !is_devtools()) tab_restore_service->BrowserClosing(tab_restore_service_delegate()); #endif if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count()) tab_restore_service->BrowserClosing(tab_restore_service_delegate()); // TODO(sky): convert session/tab restore to use notification. content::NotificationService::current()->Notify( chrome::NOTIFICATION_BROWSER_CLOSING, content::Source(this), content::NotificationService::NoDetails()); if (!IsFastTabUnloadEnabled()) tab_strip_model_->CloseAllTabs(); } //////////////////////////////////////////////////////////////////////////////// // In-progress download termination handling: void Browser::InProgressDownloadResponse(bool cancel_downloads) { if (cancel_downloads) { cancel_download_confirmation_state_ = RESPONSE_RECEIVED; chrome::CloseWindow(this); return; } // Sets the confirmation state to NOT_PROMPTED so that if the user tries to // close again we'll show the warning again. cancel_download_confirmation_state_ = NOT_PROMPTED; // Show the download page so the user can figure-out what downloads are still // in-progress. chrome::ShowDownloads(this); // Reset UnloadController::is_attempting_to_close_browser_ so that we don't // prompt every time any tab is closed. http://crbug.com/305516 if (IsFastTabUnloadEnabled()) fast_unload_controller_->CancelWindowClose(); else unload_controller_->CancelWindowClose(); } Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads( int* num_downloads_blocking) const { DCHECK(num_downloads_blocking); *num_downloads_blocking = 0; // If we're not running a full browser process with a profile manager // (testing), it's ok to close the browser. if (!g_browser_process->profile_manager()) return DOWNLOAD_CLOSE_OK; int total_download_count = DownloadService::NonMaliciousDownloadCountAllProfiles(); if (total_download_count == 0) return DOWNLOAD_CLOSE_OK; // No downloads; can definitely close. // Figure out how many windows are open total, and associated with this // profile, that are relevant for the ok-to-close decision. int profile_window_count = 0; int total_window_count = 0; for (chrome::BrowserIterator it; !it.done(); it.Next()) { // Don't count this browser window or any other in the process of closing. Browser* const browser = *it; // Window closing may be delayed, and windows that are in the process of // closing don't count against our totals. if (browser == this || browser->IsAttemptingToCloseBrowser()) continue; if (it->profile() == profile()) profile_window_count++; total_window_count++; } // If there aren't any other windows, we're at browser shutdown, // which would cancel all current downloads. if (total_window_count == 0) { *num_downloads_blocking = total_download_count; return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN; } // If there aren't any other windows on our profile, and we're an incognito // profile, and there are downloads associated with that profile, // those downloads would be cancelled by our window (-> profile) close. DownloadService* download_service = DownloadServiceFactory::GetForBrowserContext(profile()); if ((profile_window_count == 0) && (download_service->NonMaliciousDownloadCount() > 0) && profile()->IsOffTheRecord()) { *num_downloads_blocking = download_service->NonMaliciousDownloadCount(); return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE; } // Those are the only conditions under which we will block shutdown. return DOWNLOAD_CLOSE_OK; } //////////////////////////////////////////////////////////////////////////////// // Browser, Tab adding/showing functions: void Browser::WindowFullscreenStateChanged() { fullscreen_controller_->WindowFullscreenStateChanged(); command_controller_->FullscreenStateChanged(); UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN); } /////////////////////////////////////////////////////////////////////////////// // Browser, Assorted browser commands: void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) { fullscreen_controller_-> ToggleBrowserFullscreenModeWithExtension(extension_url); } bool Browser::SupportsWindowFeature(WindowFeature feature) const { return SupportsWindowFeatureImpl(feature, true); } bool Browser::CanSupportWindowFeature(WindowFeature feature) const { return SupportsWindowFeatureImpl(feature, false); } void Browser::ToggleEncodingAutoDetect() { content::RecordAction(UserMetricsAction("AutoDetectChange")); encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue()); // If "auto detect" is turned on, then any current override encoding // is cleared. This also implicitly performs a reload. // OTOH, if "auto detect" is turned off, we don't change the currently // active encoding. if (encoding_auto_detect_.GetValue()) { WebContents* contents = tab_strip_model_->GetActiveWebContents(); if (contents) contents->ResetOverrideEncoding(); } } void Browser::OverrideEncoding(int encoding_id) { content::RecordAction(UserMetricsAction("OverrideEncoding")); const std::string selected_encoding = CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id); WebContents* contents = tab_strip_model_->GetActiveWebContents(); if (!selected_encoding.empty() && contents) contents->SetOverrideEncoding(selected_encoding); // Update the list of recently selected encodings. std::string new_selected_encoding_list; if (CharacterEncoding::UpdateRecentlySelectedEncoding( profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding), encoding_id, &new_selected_encoding_list)) { profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding, new_selected_encoding_list); } } void Browser::OpenFile() { content::RecordAction(UserMetricsAction("OpenFile")); select_file_dialog_ = ui::SelectFileDialog::Create( this, new ChromeSelectFilePolicy( tab_strip_model_->GetActiveWebContents())); const base::FilePath directory = profile_->last_selected_directory(); // TODO(beng): figure out how to juggle this. gfx::NativeWindow parent_window = window_->GetNativeWindow(); ui::SelectFileDialog::FileTypeInfo file_types; file_types.support_drive = true; select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE, base::string16(), directory, &file_types, 0, base::FilePath::StringType(), parent_window, NULL); } void Browser::UpdateDownloadShelfVisibility(bool visible) { if (GetStatusBubble()) GetStatusBubble()->UpdateDownloadShelfVisibility(visible); } /////////////////////////////////////////////////////////////////////////////// void Browser::UpdateUIForNavigationInTab(WebContents* contents, content::PageTransition transition, bool user_initiated) { tab_strip_model_->TabNavigating(contents, transition); bool contents_is_selected = contents == tab_strip_model_->GetActiveWebContents(); if (user_initiated && contents_is_selected && window()->GetLocationBar()) { // Forcibly reset the location bar if the url is going to change in the // current tab, since otherwise it won't discard any ongoing user edits, // since it doesn't realize this is a user-initiated action. window()->GetLocationBar()->Revert(); } if (GetStatusBubble()) GetStatusBubble()->Hide(); // Update the location bar. This is synchronous. We specifically don't // update the load state since the load hasn't started yet and updating it // will put it out of sync with the actual state like whether we're // displaying a favicon, which controls the throbber. If we updated it here, // the throbber will show the default favicon for a split second when // navigating away from the new tab page. ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL); if (contents_is_selected) contents->SetInitialFocus(); } /////////////////////////////////////////////////////////////////////////////// // Browser, PageNavigator implementation: WebContents* Browser::OpenURL(const OpenURLParams& params) { return OpenURLFromTab(NULL, params); } /////////////////////////////////////////////////////////////////////////////// // Browser, TabStripModelObserver implementation: void Browser::TabInsertedAt(WebContents* contents, int index, bool foreground) { SetAsDelegate(contents, true); if (popup_manager_) popup_manager_->RegisterWith(contents); SessionTabHelper* session_tab_helper = SessionTabHelper::FromWebContents(contents); session_tab_helper->SetWindowID(session_id()); content::NotificationService::current()->Notify( chrome::NOTIFICATION_TAB_PARENTED, content::Source(contents), content::NotificationService::NoDetails()); SyncHistoryWithTabs(index); // Make sure the loading state is updated correctly, otherwise the throbber // won't start if the page is loading. LoadingStateChanged(contents, true); interstitial_observers_.push_back(new InterstitialObserver(this, contents)); SessionService* session_service = SessionServiceFactory::GetForProfile(profile_); if (session_service) { session_service->TabInserted(contents); int new_active_index = tab_strip_model_->active_index(); if (index < new_active_index) session_service->SetSelectedTabInWindow(session_id(), new_active_index); } } void Browser::TabClosingAt(TabStripModel* tab_strip_model, WebContents* contents, int index) { fullscreen_controller_->OnTabClosing(contents); SessionService* session_service = SessionServiceFactory::GetForProfile(profile_); if (session_service) session_service->TabClosing(contents); content::NotificationService::current()->Notify( chrome::NOTIFICATION_TAB_CLOSING, content::Source(&contents->GetController()), content::NotificationService::NoDetails()); if (popup_manager_) popup_manager_->UnregisterWith(contents); // Sever the WebContents' connection back to us. SetAsDelegate(contents, false); } void Browser::TabDetachedAt(WebContents* contents, int index) { // TabDetachedAt is called before TabStripModel has updated the // active index. int old_active_index = tab_strip_model_->active_index(); if (index < old_active_index && !tab_strip_model_->closing_all()) { SessionService* session_service = SessionServiceFactory::GetForProfileIfExisting(profile_); if (session_service) session_service->SetSelectedTabInWindow(session_id(), old_active_index - 1); } if (popup_manager_) popup_manager_->UnregisterWith(contents); TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH); } void Browser::TabDeactivated(WebContents* contents) { fullscreen_controller_->OnTabDeactivated(contents); search_delegate_->OnTabDeactivated(contents); SearchTabHelper::FromWebContents(contents)->OnTabDeactivated(); // Save what the user's currently typing, so it can be restored when we // switch back to this tab. window_->GetLocationBar()->SaveStateToContents(contents); if (instant_controller_) instant_controller_->TabDeactivated(contents); } void Browser::ActiveTabChanged(WebContents* old_contents, WebContents* new_contents, int index, int reason) { content::RecordAction(UserMetricsAction("ActiveTabChanged")); // Update the bookmark state, since the BrowserWindow may query it during // OnActiveTabChanged() below. UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH); // Let the BrowserWindow do its handling. On e.g. views this changes the // focused object, which should happen before we update the toolbar below, // since the omnibox expects the correct element to already be focused when it // is updated. window_->OnActiveTabChanged(old_contents, new_contents, index, reason); fullscreen_controller_->OnTabDetachedFromView(old_contents); // Discarded tabs always get reloaded. if (tab_strip_model_->IsTabDiscarded(index)) { LOG(WARNING) << "Reloading discarded tab at " << index; static int reload_count = 0; UMA_HISTOGRAM_CUSTOM_COUNTS( "Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50); chrome::Reload(this, CURRENT_TAB); } // If we have any update pending, do it now. if (chrome_updater_factory_.HasWeakPtrs() && old_contents) ProcessPendingUIUpdates(); // Propagate the profile to the location bar. UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0); if (chrome::IsInstantExtendedAPIEnabled()) search_delegate_->OnTabActivated(new_contents); // Update reload/stop state. command_controller_->LoadingStateChanged(new_contents->IsLoading(), true); // Update commands to reflect current state. command_controller_->TabStateChanged(); // Reset the status bubble. StatusBubble* status_bubble = GetStatusBubble(); if (status_bubble) { status_bubble->Hide(); // Show the loading state (if any). status_bubble->SetStatus(CoreTabHelper::FromWebContents( tab_strip_model_->GetActiveWebContents())->GetStatusText()); } if (HasFindBarController()) { find_bar_controller_->ChangeWebContents(new_contents); find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); } // Update sessions. Don't force creation of sessions. If sessions doesn't // exist, the change will be picked up by sessions when created. SessionService* session_service = SessionServiceFactory::GetForProfileIfExisting(profile_); if (session_service && !tab_strip_model_->closing_all()) { session_service->SetSelectedTabInWindow(session_id(), tab_strip_model_->active_index()); } // This needs to be called after notifying SearchDelegate. if (instant_controller_) instant_controller_->ActiveTabChanged(); autofill::ChromeAutofillClient::FromWebContents(new_contents)->TabActivated(); SearchTabHelper::FromWebContents(new_contents)->OnTabActivated(); } void Browser::TabMoved(WebContents* contents, int from_index, int to_index) { DCHECK(from_index >= 0 && to_index >= 0); // Notify the history service. SyncHistoryWithTabs(std::min(from_index, to_index)); } void Browser::TabReplacedAt(TabStripModel* tab_strip_model, WebContents* old_contents, WebContents* new_contents, int index) { TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE); fullscreen_controller_->OnTabClosing(old_contents); SessionService* session_service = SessionServiceFactory::GetForProfile(profile_); if (session_service) session_service->TabClosing(old_contents); TabInsertedAt(new_contents, index, (index == tab_strip_model_->active_index())); int entry_count = new_contents->GetController().GetEntryCount(); if (entry_count > 0) { // Send out notification so that observers are updated appropriately. new_contents->GetController().NotifyEntryChanged( new_contents->GetController().GetEntryAtIndex(entry_count - 1), entry_count - 1); } if (session_service) { // The new_contents may end up with a different navigation stack. Force // the session service to update itself. session_service->TabRestored(new_contents, tab_strip_model_->IsTabPinned(index)); } } void Browser::TabPinnedStateChanged(WebContents* contents, int index) { SessionService* session_service = SessionServiceFactory::GetForProfileIfExisting(profile()); if (session_service) { SessionTabHelper* session_tab_helper = SessionTabHelper::FromWebContents(contents); session_service->SetPinnedState(session_id(), session_tab_helper->session_id(), tab_strip_model_->IsTabPinned(index)); } } void Browser::TabStripEmpty() { // Close the frame after we return to the message loop (not immediately, // otherwise it will destroy this object before the stack has a chance to // cleanly unwind.) // Note: This will be called several times if TabStripEmpty is called several // times. This is because it does not close the window if tabs are // still present. base::MessageLoop::current()->PostTask( FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr())); // Instant may have visible WebContents that need to be detached before the // window system closes. instant_controller_.reset(); } bool Browser::CanOverscrollContent() const { #if defined(USE_AURA) const std::string value = CommandLine::ForCurrentProcess()-> GetSwitchValueASCII(switches::kOverscrollHistoryNavigation); bool overscroll_enabled = value != "0"; if (!overscroll_enabled) return false; if (is_app() || is_devtools() || !is_type_tabbed()) return false; // The detached bookmark bar has appearance of floating above the // web-contents. This does not play nicely with overscroll navigation // gestures. So disable overscroll navigation when the bookmark bar is in the // detached state and the overscroll effect moves the layers. if (value == "1" && bookmark_bar_state_ == BookmarkBar::DETACHED) return false; return true; #else return false; #endif } bool Browser::ShouldPreserveAbortedURLs(WebContents* source) { // Allow failed URLs to stick around in the omnibox on the NTP, but not when // other pages have committed. Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext()); if (!profile || !source->GetController().GetLastCommittedEntry()) return false; GURL committed_url(source->GetController().GetLastCommittedEntry()->GetURL()); return chrome::IsNTPURL(committed_url, profile); } bool Browser::PreHandleKeyboardEvent(content::WebContents* source, const NativeWebKeyboardEvent& event, bool* is_keyboard_shortcut) { // Escape exits tabbed fullscreen mode. // TODO(koz): Write a test for this http://crbug.com/100441. if (event.windowsKeyCode == 27 && fullscreen_controller_->HandleUserPressedEscape()) { return true; } return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut); } void Browser::HandleKeyboardEvent(content::WebContents* source, const NativeWebKeyboardEvent& event) { DevToolsWindow* devtools_window = DevToolsWindow::GetInstanceForInspectedWebContents(source); bool handled = false; if (devtools_window) handled = devtools_window->ForwardKeyboardEvent(event); if (!handled) window()->HandleKeyboardEvent(event); } bool Browser::TabsNeedBeforeUnloadFired() { if (IsFastTabUnloadEnabled()) return fast_unload_controller_->TabsNeedBeforeUnloadFired(); return unload_controller_->TabsNeedBeforeUnloadFired(); } void Browser::OverscrollUpdate(int delta_y) { window_->OverscrollUpdate(delta_y); } void Browser::ShowValidationMessage(content::WebContents* web_contents, const gfx::Rect& anchor_in_root_view, const base::string16& main_text, const base::string16& sub_text) { RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); if (rwhv) { validation_message_bubble_ = chrome::ValidationMessageBubble::CreateAndShow( rwhv->GetRenderWidgetHost(), anchor_in_root_view, main_text, sub_text); } } void Browser::HideValidationMessage(content::WebContents* web_contents) { validation_message_bubble_.reset(); } void Browser::MoveValidationMessage(content::WebContents* web_contents, const gfx::Rect& anchor_in_root_view) { if (!validation_message_bubble_) return; RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); if (rwhv) { validation_message_bubble_->SetPositionRelativeToAnchor( rwhv->GetRenderWidgetHost(), anchor_in_root_view); } } bool Browser::PreHandleGestureEvent(content::WebContents* source, const blink::WebGestureEvent& event) { // Disable pinch zooming in undocked dev tools window due to poor UX. if (app_name() == DevToolsWindow::kDevToolsApp) return event.type == blink::WebGestureEvent::GesturePinchBegin || event.type == blink::WebGestureEvent::GesturePinchUpdate || event.type == blink::WebGestureEvent::GesturePinchEnd; return false; } bool Browser::CanDragEnter(content::WebContents* source, const content::DropData& data, blink::WebDragOperationsMask operations_allowed) { // Disallow drag-and-drop navigation for Settings windows which do not support // external navigation. if ((operations_allowed & blink::WebDragOperationLink) && chrome::SettingsWindowManager::GetInstance()->IsSettingsBrowser(this)) { return false; } return true; } bool Browser::IsMouseLocked() const { return fullscreen_controller_->IsMouseLocked(); } void Browser::OnWindowDidShow() { if (window_has_shown_) return; window_has_shown_ = true; // CurrentProcessInfo::CreationTime() is missing on some platforms. #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) // Measure the latency from startup till the first browser window becomes // visible. static bool is_first_browser_window = true; if (is_first_browser_window && !startup_metric_utils::WasNonBrowserUIDisplayed()) { is_first_browser_window = false; const base::Time process_creation_time = base::CurrentProcessInfo::CreationTime(); if (!process_creation_time.is_null()) { UMA_HISTOGRAM_LONG_TIMES( "Startup.BrowserWindowDisplay", base::Time::Now() - process_creation_time); } } #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) // Nothing to do for non-tabbed windows. if (!is_type_tabbed()) return; // Show any pending global error bubble. GlobalErrorService* service = GlobalErrorServiceFactory::GetForProfile(profile()); GlobalError* error = service->GetFirstGlobalErrorWithBubbleView(); if (error) error->ShowBubbleView(this); } void Browser::ShowFirstRunBubble() { window()->GetLocationBar()->ShowFirstRunBubble(); } void Browser::ShowDownload(content::DownloadItem* download) { if (!window()) return; // If the download occurs in a new tab, and it's not a save page // download (started before initial navigation completed) close it. WebContents* source = download->GetWebContents(); if (source && source->GetController().IsInitialNavigation() && tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) { CloseContents(source); } // Some (app downloads) are not supposed to appear on the shelf. if (!DownloadItemModel(download).ShouldShowInShelf()) return; // GetDownloadShelf creates the download shelf if it was not yet created. DownloadShelf* shelf = window()->GetDownloadShelf(); shelf->AddDownload(download); } /////////////////////////////////////////////////////////////////////////////// // Browser, content::WebContentsDelegate implementation: WebContents* Browser::OpenURLFromTab(WebContents* source, const OpenURLParams& params) { chrome::NavigateParams nav_params(this, params.url, params.transition); FillNavigateParamsFromOpenURLParams(&nav_params, params); nav_params.source_contents = source; nav_params.tabstrip_add_types = TabStripModel::ADD_NONE; if (params.user_gesture) nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW; nav_params.user_gesture = params.user_gesture; PopupBlockerTabHelper* popup_blocker_helper = NULL; if (source) popup_blocker_helper = PopupBlockerTabHelper::FromWebContents(source); if (popup_blocker_helper) { if ((params.disposition == NEW_POPUP || params.disposition == NEW_FOREGROUND_TAB || params.disposition == NEW_BACKGROUND_TAB || params.disposition == NEW_WINDOW) && !params.user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch( switches::kDisablePopupBlocking)) { if (popup_blocker_helper->MaybeBlockPopup(nav_params, WebWindowFeatures())) { return NULL; } } } chrome::Navigate(&nav_params); return nav_params.target_contents; } void Browser::NavigationStateChanged(const WebContents* source, content::InvalidateTypes changed_flags) { // Only update the UI when something visible has changed. if (changed_flags) ScheduleUIUpdate(source, changed_flags); // We can synchronously update commands since they will only change once per // navigation, so we don't have to worry about flickering. We do, however, // need to update the command state early on load to always present usable // actions in the face of slow-to-commit pages. if (changed_flags & (content::INVALIDATE_TYPE_URL | content::INVALIDATE_TYPE_LOAD)) command_controller_->TabStateChanged(); } void Browser::VisibleSSLStateChanged(const WebContents* source) { // When the current tab's SSL state changes, we need to update the URL // bar to reflect the new state. DCHECK(source); if (tab_strip_model_->GetActiveWebContents() == source) UpdateToolbar(false); } void Browser::AddNewContents(WebContents* source, WebContents* new_contents, WindowOpenDisposition disposition, const gfx::Rect& initial_pos, bool user_gesture, bool* was_blocked) { chrome::AddWebContents(this, source, new_contents, disposition, initial_pos, user_gesture, was_blocked); } void Browser::ActivateContents(WebContents* contents) { tab_strip_model_->ActivateTabAt( tab_strip_model_->GetIndexOfWebContents(contents), false); window_->Activate(); } void Browser::DeactivateContents(WebContents* contents) { window_->Deactivate(); } void Browser::LoadingStateChanged(WebContents* source, bool to_different_document) { window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading()); window_->UpdateTitleBar(); WebContents* selected_contents = tab_strip_model_->GetActiveWebContents(); if (source == selected_contents) { bool is_loading = source->IsLoading() && to_different_document; command_controller_->LoadingStateChanged(is_loading, false); if (GetStatusBubble()) { GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( tab_strip_model_->GetActiveWebContents())->GetStatusText()); } } } void Browser::CloseContents(WebContents* source) { bool can_close_contents; if (IsFastTabUnloadEnabled()) can_close_contents = fast_unload_controller_->CanCloseContents(source); else can_close_contents = unload_controller_->CanCloseContents(source); if (can_close_contents) chrome::CloseWebContents(this, source, true); } void Browser::MoveContents(WebContents* source, const gfx::Rect& pos) { if (!IsPopupOrPanel(source)) { NOTREACHED() << "moving invalid browser type"; return; } window_->SetBounds(pos); } bool Browser::IsPopupOrPanel(const WebContents* source) const { return is_type_popup(); } void Browser::UpdateTargetURL(WebContents* source, int32 page_id, const GURL& url) { if (!GetStatusBubble()) return; if (source == tab_strip_model_->GetActiveWebContents()) { PrefService* prefs = profile_->GetPrefs(); GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages)); } } void Browser::ContentsMouseEvent( WebContents* source, const gfx::Point& location, bool motion) { if (!GetStatusBubble()) return; if (source == tab_strip_model_->GetActiveWebContents()) { GetStatusBubble()->MouseMoved(location, !motion); if (!motion) GetStatusBubble()->SetURL(GURL(), std::string()); } } void Browser::ContentsZoomChange(bool zoom_in) { chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS); } void Browser::WebContentsFocused(WebContents* contents) { window_->WebContentsFocused(contents); } bool Browser::TakeFocus(content::WebContents* source, bool reverse) { content::NotificationService::current()->Notify( chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER, content::Source(this), content::NotificationService::NoDetails()); return false; } gfx::Rect Browser::GetRootWindowResizerRect() const { return window_->GetRootWindowResizerRect(); } void Browser::BeforeUnloadFired(WebContents* web_contents, bool proceed, bool* proceed_to_fire_unload) { if (is_devtools() && DevToolsWindow::HandleBeforeUnload(web_contents, proceed, proceed_to_fire_unload)) return; if (IsFastTabUnloadEnabled()) { *proceed_to_fire_unload = fast_unload_controller_->BeforeUnloadFired(web_contents, proceed); } else { *proceed_to_fire_unload = unload_controller_->BeforeUnloadFired(web_contents, proceed); } } bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) { const content::NavigationEntry* entry = source->GetController().GetActiveEntry(); if (entry) { GURL url = entry->GetURL(); GURL virtual_url = entry->GetVirtualURL(); if ((url.SchemeIs(content::kChromeUIScheme) && url.host() == chrome::kChromeUINewTabHost) || (virtual_url.SchemeIs(content::kChromeUIScheme) && virtual_url.host() == chrome::kChromeUINewTabHost)) { return true; } } return chrome::NavEntryIsInstantNTP(source, entry); } void Browser::SetFocusToLocationBar(bool select_all) { // Two differences between this and FocusLocationBar(): // (1) This doesn't get recorded in user metrics, since it's called // internally. // (2) This checks whether the location bar can be focused, and if not, clears // the focus. FocusLocationBar() is only reached when the location bar is // focusable, but this may be reached at other times, e.g. while in // fullscreen mode, where we need to leave focus in a consistent state. window_->SetFocusToLocationBar(select_all); } int Browser::GetExtraRenderViewHeight() const { return window_->GetExtraRenderViewHeight(); } void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) { DCHECK(source); chrome::ViewSource(this, source); } void Browser::ViewSourceForFrame(WebContents* source, const GURL& frame_url, const content::PageState& frame_page_state) { DCHECK(source); chrome::ViewSource(this, source, frame_url, frame_page_state); } void Browser::ShowRepostFormWarningDialog(WebContents* source) { TabModalConfirmDialog::Create(new RepostFormWarningController(source), source); } bool Browser::ShouldCreateWebContents( WebContents* web_contents, int route_id, WindowContainerType window_container_type, const base::string16& frame_name, const GURL& target_url, const std::string& partition_id, content::SessionStorageNamespace* session_storage_namespace) { if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) { // If a BackgroundContents is created, suppress the normal WebContents. return !MaybeCreateBackgroundContents(route_id, web_contents, frame_name, target_url, partition_id, session_storage_namespace); } return true; } void Browser::WebContentsCreated(WebContents* source_contents, int opener_render_frame_id, const base::string16& frame_name, const GURL& target_url, WebContents* new_contents) { // Adopt the WebContents now, so all observers are in place, as the network // requests for its initial navigation will start immediately. The WebContents // will later be inserted into this browser using Browser::Navigate via // AddNewContents. TabHelpers::AttachTabHelpers(new_contents); // Notify. RetargetingDetails details; details.source_web_contents = source_contents; details.source_render_frame_id = opener_render_frame_id; details.target_url = target_url; details.target_web_contents = new_contents; details.not_yet_in_tabstrip = true; content::NotificationService::current()->Notify( chrome::NOTIFICATION_RETARGETING, content::Source(profile_), content::Details(&details)); } void Browser::RendererUnresponsive(WebContents* source) { // Ignore hangs if a tab is blocked. int index = tab_strip_model_->GetIndexOfWebContents(source); DCHECK_NE(TabStripModel::kNoTab, index); if (tab_strip_model_->IsTabBlocked(index)) return; chrome::ShowHungRendererDialog(source); } void Browser::RendererResponsive(WebContents* source) { chrome::HideHungRendererDialog(source); } void Browser::WorkerCrashed(WebContents* source) { SimpleAlertInfoBarDelegate::Create( InfoBarService::FromWebContents(source), infobars::InfoBarDelegate::kNoIconID, l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true); } void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) { if (web_contents == tab_strip_model_->GetActiveWebContents()) UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); } void Browser::DidNavigateToPendingEntry(WebContents* web_contents) { if (web_contents == tab_strip_model_->GetActiveWebContents()) UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); } content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() { return GetJavaScriptDialogManagerInstance(); } content::ColorChooser* Browser::OpenColorChooser( WebContents* web_contents, SkColor initial_color, const std::vector& suggestions) { return chrome::ShowColorChooser(web_contents, initial_color); } void Browser::RunFileChooser(WebContents* web_contents, const content::FileChooserParams& params) { FileSelectHelper::RunFileChooser(web_contents, params); } void Browser::EnumerateDirectory(WebContents* web_contents, int request_id, const base::FilePath& path) { FileSelectHelper::EnumerateDirectory(web_contents, request_id, path); } bool Browser::EmbedsFullscreenWidget() const { return true; } void Browser::ToggleFullscreenModeForTab(WebContents* web_contents, bool enter_fullscreen) { fullscreen_controller_->ToggleFullscreenModeForTab(web_contents, enter_fullscreen); } bool Browser::IsFullscreenForTabOrPending( const WebContents* web_contents) const { return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents); } void Browser::RegisterProtocolHandler(WebContents* web_contents, const std::string& protocol, const GURL& url, bool user_gesture) { content::BrowserContext* context = web_contents->GetBrowserContext(); if (context->IsOffTheRecord()) return; ProtocolHandler handler = ProtocolHandler::CreateProtocolHandler(protocol, url); ProtocolHandlerRegistry* registry = ProtocolHandlerRegistryFactory::GetForBrowserContext(context); if (registry->SilentlyHandleRegisterHandlerRequest(handler)) return; TabSpecificContentSettings* tab_content_settings = TabSpecificContentSettings::FromWebContents(web_contents); if (!user_gesture && window_) { tab_content_settings->set_pending_protocol_handler(handler); tab_content_settings->set_previous_protocol_handler( registry->GetHandlerFor(handler.protocol())); window_->GetLocationBar()->UpdateContentSettingsIcons(); return; } // Make sure content-setting icon is turned off in case the page does // ungestured and gestured RPH calls. if (window_) { tab_content_settings->ClearPendingProtocolHandler(); window_->GetLocationBar()->UpdateContentSettingsIcons(); } PermissionBubbleManager* bubble_manager = PermissionBubbleManager::FromWebContents(web_contents); if (PermissionBubbleManager::Enabled() && bubble_manager) { bubble_manager->AddRequest( new RegisterProtocolHandlerPermissionRequest(registry, handler, url, user_gesture)); } else { RegisterProtocolHandlerInfoBarDelegate::Create( InfoBarService::FromWebContents(web_contents), registry, handler); } } void Browser::UnregisterProtocolHandler(WebContents* web_contents, const std::string& protocol, const GURL& url, bool user_gesture) { // user_gesture will be used in case we decide to have confirmation bubble // for user while un-registering the handler. content::BrowserContext* context = web_contents->GetBrowserContext(); if (context->IsOffTheRecord()) return; ProtocolHandler handler = ProtocolHandler::CreateProtocolHandler(protocol, url); ProtocolHandlerRegistry* registry = ProtocolHandlerRegistryFactory::GetForBrowserContext(context); registry->RemoveHandler(handler); } void Browser::UpdatePreferredSize(WebContents* source, const gfx::Size& pref_size) { window_->UpdatePreferredSize(source, pref_size); } void Browser::ResizeDueToAutoResize(WebContents* source, const gfx::Size& new_size) { window_->ResizeDueToAutoResize(source, new_size); } void Browser::FindReply(WebContents* web_contents, int request_id, int number_of_matches, const gfx::Rect& selection_rect, int active_match_ordinal, bool final_update) { FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); if (!find_tab_helper) return; find_tab_helper->HandleFindReply(request_id, number_of_matches, selection_rect, active_match_ordinal, final_update); } void Browser::RequestToLockMouse(WebContents* web_contents, bool user_gesture, bool last_unlocked_by_target) { fullscreen_controller_->RequestToLockMouse(web_contents, user_gesture, last_unlocked_by_target); } void Browser::LostMouseLock() { fullscreen_controller_->LostMouseLock(); } void Browser::RequestMediaAccessPermission( content::WebContents* web_contents, const content::MediaStreamRequest& request, const content::MediaResponseCallback& callback) { ::RequestMediaAccessPermission(web_contents, profile_, request, callback); } bool Browser::CheckMediaAccessPermission(content::WebContents* web_contents, const GURL& security_origin, content::MediaStreamType type) { return ::CheckMediaAccessPermission(web_contents, security_origin, type); } bool Browser::RequestPpapiBrokerPermission( WebContents* web_contents, const GURL& url, const base::FilePath& plugin_path, const base::Callback& callback) { PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback); return true; } gfx::Size Browser::GetSizeForNewRenderView(WebContents* web_contents) const { // When navigating away from NTP with unpinned bookmark bar, the bookmark bar // would disappear on non-NTP pages, resulting in a bigger size for the new // render view. gfx::Size size = web_contents->GetContainerBounds().size(); // Don't change render view size if bookmark bar is currently not detached, // or there's no pending entry, or navigating to a NTP page. if (size.IsEmpty() || bookmark_bar_state_ != BookmarkBar::DETACHED) return size; const NavigationEntry* pending_entry = web_contents->GetController().GetPendingEntry(); if (pending_entry && !chrome::IsNTPURL(pending_entry->GetVirtualURL(), profile_)) { size.Enlarge( 0, window()->GetRenderViewHeightInsetWithDetachedBookmarkBar()); } return size; } /////////////////////////////////////////////////////////////////////////////// // Browser, CoreTabHelperDelegate implementation: void Browser::SwapTabContents(content::WebContents* old_contents, content::WebContents* new_contents, bool did_start_load, bool did_finish_load) { int index = tab_strip_model_->GetIndexOfWebContents(old_contents); DCHECK_NE(TabStripModel::kNoTab, index); tab_strip_model_->ReplaceWebContentsAt(index, new_contents); } bool Browser::CanReloadContents(content::WebContents* web_contents) const { return chrome::CanReload(this); } bool Browser::CanSaveContents(content::WebContents* web_contents) const { return chrome::CanSavePage(this); } /////////////////////////////////////////////////////////////////////////////// // Browser, SearchEngineTabHelperDelegate implementation: void Browser::ConfirmAddSearchProvider(TemplateURL* template_url, Profile* profile) { window()->ConfirmAddSearchProvider(template_url, profile); } /////////////////////////////////////////////////////////////////////////////// // Browser, SearchTabHelperDelegate implementation: void Browser::NavigateOnThumbnailClick(const GURL& url, WindowOpenDisposition disposition, content::WebContents* source_contents) { DCHECK(source_contents); // We're guaranteed that AUTO_BOOKMARK is the right transition since this only // gets called to handle clicks in the new tab page (to navigate to most // visited item URLs) and in the search results page (to navigate to // privileged destinations (e.g. chrome://URLs)). // // TODO(kmadhusu): Page transitions to privileged destinations should be // marked as "LINK" instead of "AUTO_BOOKMARK"? chrome::NavigateParams params(this, url, content::PAGE_TRANSITION_AUTO_BOOKMARK); params.referrer = content::Referrer(); params.source_contents = source_contents; params.disposition = disposition; params.is_renderer_initiated = false; params.initiating_profile = profile_; chrome::Navigate(¶ms); } void Browser::OnWebContentsInstantSupportDisabled( const content::WebContents* web_contents) { DCHECK(web_contents); if (tab_strip_model_->GetActiveWebContents() == web_contents) UpdateToolbar(false); } OmniboxView* Browser::GetOmniboxView() { return window_->GetLocationBar()->GetOmniboxView(); } std::set Browser::GetOpenUrls() { history::TopSites* top_sites = profile_->GetTopSites(); if (!top_sites) // NULL for Incognito profiles. return std::set(); std::set open_urls; chrome::GetOpenUrls(*tab_strip_model_, *top_sites, &open_urls); return open_urls; } /////////////////////////////////////////////////////////////////////////////// // Browser, web_modal::WebContentsModalDialogManagerDelegate implementation: void Browser::SetWebContentsBlocked(content::WebContents* web_contents, bool blocked) { int index = tab_strip_model_->GetIndexOfWebContents(web_contents); if (index == TabStripModel::kNoTab) { NOTREACHED(); return; } tab_strip_model_->SetTabBlocked(index, blocked); if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents) web_contents->Focus(); } web_modal::WebContentsModalDialogHost* Browser::GetWebContentsModalDialogHost() { return window_->GetWebContentsModalDialogHost(); } /////////////////////////////////////////////////////////////////////////////// // Browser, BookmarkTabHelperDelegate implementation: void Browser::URLStarredChanged(content::WebContents* web_contents, bool starred) { if (web_contents == tab_strip_model_->GetActiveWebContents()) window_->SetStarredState(starred); } /////////////////////////////////////////////////////////////////////////////// // Browser, ZoomObserver implementation: void Browser::OnZoomChanged(const ZoomController::ZoomChangedEventData& data) { if (data.web_contents == tab_strip_model_->GetActiveWebContents()) { // Only show the zoom bubble for zoom changes in the active window. window_->ZoomChangedForActiveTab(data.can_show_bubble && window_->IsActive()); // Change the zoom commands state based on the zoom state command_controller_->ZoomStateChanged(); } } /////////////////////////////////////////////////////////////////////////////// // Browser, ui::SelectFileDialog::Listener implementation: void Browser::FileSelected(const base::FilePath& path, int index, void* params) { FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params); } void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info, int index, void* params) { profile_->set_last_selected_directory(file_info.file_path.DirName()); GURL url = net::FilePathToFileURL(file_info.local_path); #if defined(OS_CHROMEOS) drive::util::MaybeSetDriveURL(profile_, file_info.file_path, &url); #endif if (url.is_empty()) return; OpenURL(OpenURLParams( url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false)); } /////////////////////////////////////////////////////////////////////////////// // Browser, content::NotificationObserver implementation: void Browser::Observe(int type, const content::NotificationSource& source, const content::NotificationDetails& details) { switch (type) { case extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: { chrome::UpdateCommandEnabled( this, IDC_BOOKMARK_PAGE, !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); chrome::UpdateCommandEnabled( this, IDC_BOOKMARK_ALL_TABS, !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); if (window()->GetLocationBar()) window()->GetLocationBar()->UpdatePageActions(); const extensions::UnloadedExtensionInfo* extension_info = content::Details(details).ptr(); // Close any tabs from the unloaded extension, unless it's terminated, // in which case let the sad tabs remain. if (extension_info->reason != extensions::UnloadedExtensionInfo::REASON_TERMINATE) { const Extension* extension = extension_info->extension; // Iterate backwards as we may remove items while iterating. for (int i = tab_strip_model_->count() - 1; i >= 0; --i) { WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); // Two cases are handled here: // - The scheme check is for when an extension page is loaded in a // tab, e.g. chrome-extension://id/page.html. // - The extension_app check is for apps, which can have non-extension // schemes, e.g. https://mail.google.com if you have the Gmail app // installed. if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) && web_contents->GetURL().host() == extension->id()) || (extensions::TabHelper::FromWebContents( web_contents)->extension_app() == extension)) { tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE); } } } break; } case extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: { Profile* profile = content::Source(source).ptr(); if (profile_->IsSameProfile(profile) && window()->GetLocationBar()) window()->GetLocationBar()->InvalidatePageActions(); break; } case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: chrome::UpdateCommandEnabled( this, IDC_BOOKMARK_PAGE, !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); chrome::UpdateCommandEnabled( this, IDC_BOOKMARK_ALL_TABS, !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); // fallthrough case extensions::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED: // During window creation on Windows we may end up calling into // SHAppBarMessage, which internally spawns a nested message loop. This // makes it possible for us to end up here before window creation has // completed, at which point window_ is NULL. See 94752 for details. if (window() && window()->GetLocationBar()) window()->GetLocationBar()->UpdatePageActions(); break; #if defined(ENABLE_THEMES) case chrome::NOTIFICATION_BROWSER_THEME_CHANGED: window()->UserChangedTheme(); break; #endif case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: { WebContents* web_contents = content::Source(source).ptr(); if (web_contents == tab_strip_model_->GetActiveWebContents()) { LocationBar* location_bar = window()->GetLocationBar(); if (location_bar) location_bar->UpdateContentSettingsIcons(); } break; } default: NOTREACHED() << "Got a notification we didn't register for."; } } /////////////////////////////////////////////////////////////////////////////// // Browser, Command and state updating (private): void Browser::OnDevToolsDisabledChanged() { if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled)) content::DevToolsAgentHost::DetachAllClients(); } /////////////////////////////////////////////////////////////////////////////// // Browser, UI update coalescing and handling (private): void Browser::UpdateToolbar(bool should_restore_state) { window_->UpdateToolbar(should_restore_state ? tab_strip_model_->GetActiveWebContents() : NULL); } void Browser::ScheduleUIUpdate(const WebContents* source, unsigned changed_flags) { DCHECK(source); int index = tab_strip_model_->GetIndexOfWebContents(source); DCHECK_NE(TabStripModel::kNoTab, index); // Do some synchronous updates. if (changed_flags & content::INVALIDATE_TYPE_URL && source == tab_strip_model_->GetActiveWebContents()) { // Only update the URL for the current tab. Note that we do not update // the navigation commands since those would have already been updated // synchronously by NavigationStateChanged. UpdateToolbar(false); changed_flags &= ~content::INVALIDATE_TYPE_URL; } if (changed_flags & content::INVALIDATE_TYPE_LOAD) { // Update the loading state synchronously. This is so the throbber will // immediately start/stop, which gives a more snappy feel. We want to do // this for any tab so they start & stop quickly. tab_strip_model_->UpdateWebContentsStateAt( tab_strip_model_->GetIndexOfWebContents(source), TabStripModelObserver::LOADING_ONLY); // The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too, // but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from // changed_flags. } if (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) { // To correctly calculate whether the title changed while not loading // we need to process the update synchronously. This state only matters for // the TabStripModel, so we notify the TabStripModel now and notify others // asynchronously. tab_strip_model_->UpdateWebContentsStateAt( tab_strip_model_->GetIndexOfWebContents(source), TabStripModelObserver::TITLE_NOT_LOADING); } // If the only updates were synchronously handled above, we're done. if (changed_flags == 0) return; // Save the dirty bits. scheduled_updates_[source] |= changed_flags; if (!chrome_updater_factory_.HasWeakPtrs()) { // No task currently scheduled, start another. base::MessageLoop::current()->PostDelayedTask( FROM_HERE, base::Bind(&Browser::ProcessPendingUIUpdates, chrome_updater_factory_.GetWeakPtr()), base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS)); } } void Browser::ProcessPendingUIUpdates() { #ifndef NDEBUG // Validate that all tabs we have pending updates for exist. This is scary // because the pending list must be kept in sync with any detached or // deleted tabs. for (UpdateMap::const_iterator i = scheduled_updates_.begin(); i != scheduled_updates_.end(); ++i) { bool found = false; for (int tab = 0; tab < tab_strip_model_->count(); tab++) { if (tab_strip_model_->GetWebContentsAt(tab) == i->first) { found = true; break; } } DCHECK(found); } #endif chrome_updater_factory_.InvalidateWeakPtrs(); for (UpdateMap::const_iterator i = scheduled_updates_.begin(); i != scheduled_updates_.end(); ++i) { // Do not dereference |contents|, it may be out-of-date! const WebContents* contents = i->first; unsigned flags = i->second; if (contents == tab_strip_model_->GetActiveWebContents()) { // Updates that only matter when the tab is selected go here. // Updating the URL happens synchronously in ScheduleUIUpdate. if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) { GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( tab_strip_model_->GetActiveWebContents())->GetStatusText()); } if (flags & (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { window_->UpdateTitleBar(); } } // Updates that don't depend upon the selected state go here. if (flags & (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { tab_strip_model_->UpdateWebContentsStateAt( tab_strip_model_->GetIndexOfWebContents(contents), TabStripModelObserver::ALL); } // Update the bookmark bar. It may happen that the tab is crashed, and if // so, the bookmark bar should be hidden. if (flags & content::INVALIDATE_TYPE_TAB) UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); // We don't need to process INVALIDATE_STATE, since that's not visible. } scheduled_updates_.clear(); } void Browser::RemoveScheduledUpdatesFor(WebContents* contents) { if (!contents) return; UpdateMap::iterator i = scheduled_updates_.find(contents); if (i != scheduled_updates_.end()) scheduled_updates_.erase(i); } /////////////////////////////////////////////////////////////////////////////// // Browser, Getters for UI (private): StatusBubble* Browser::GetStatusBubble() { // In kiosk and exclusive app mode, we want to always hide the status bubble. if (chrome::IsRunningInAppMode()) return NULL; return window_ ? window_->GetStatusBubble() : NULL; } /////////////////////////////////////////////////////////////////////////////// // Browser, Session restore functions (private): void Browser::SyncHistoryWithTabs(int index) { SessionService* session_service = SessionServiceFactory::GetForProfileIfExisting(profile()); if (session_service) { for (int i = index; i < tab_strip_model_->count(); ++i) { WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); if (web_contents) { SessionTabHelper* session_tab_helper = SessionTabHelper::FromWebContents(web_contents); session_service->SetTabIndexInWindow( session_id(), session_tab_helper->session_id(), i); session_service->SetPinnedState( session_id(), session_tab_helper->session_id(), tab_strip_model_->IsTabPinned(i)); } } } } /////////////////////////////////////////////////////////////////////////////// // Browser, In-progress download termination handling (private): bool Browser::CanCloseWithInProgressDownloads() { // If we've prompted, we need to hear from the user before we // can close. if (cancel_download_confirmation_state_ != NOT_PROMPTED) return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE; int num_downloads_blocking; Browser::DownloadClosePreventionType dialog_type = OkToCloseWithInProgressDownloads(&num_downloads_blocking); if (dialog_type == DOWNLOAD_CLOSE_OK) return true; // Closing this window will kill some downloads; prompt to make sure // that's ok. cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE; window_->ConfirmBrowserCloseWithPendingDownloads( num_downloads_blocking, dialog_type, false, base::Bind(&Browser::InProgressDownloadResponse, weak_factory_.GetWeakPtr())); // Return false so the browser does not close. We'll close if the user // confirms in the dialog. return false; } /////////////////////////////////////////////////////////////////////////////// // Browser, Assorted utility functions (private): void Browser::SetAsDelegate(WebContents* web_contents, bool set_delegate) { Browser* delegate = set_delegate ? this : NULL; // WebContents... web_contents->SetDelegate(delegate); // ...and all the helpers. BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate); WebContentsModalDialogManager::FromWebContents(web_contents)-> SetDelegate(delegate); CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate); SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate); SearchTabHelper::FromWebContents(web_contents)->set_delegate(delegate); translate::ContentTranslateDriver& content_translate_driver = ChromeTranslateClient::FromWebContents(web_contents)->translate_driver(); if (delegate) { ZoomController::FromWebContents(web_contents)->AddObserver(this); content_translate_driver.AddObserver(translate_driver_observer_.get()); } else { ZoomController::FromWebContents(web_contents)->RemoveObserver(this); content_translate_driver.RemoveObserver(translate_driver_observer_.get()); } } void Browser::CloseFrame() { window_->Close(); } void Browser::TabDetachedAtImpl(content::WebContents* contents, int index, DetachType type) { if (type == DETACH_TYPE_DETACH) { // Save the current location bar state, but only if the tab being detached // is the selected tab. Because saving state can conditionally revert the // location bar, saving the current tab's location bar state to a // non-selected tab can corrupt both tabs. if (contents == tab_strip_model_->GetActiveWebContents()) { LocationBar* location_bar = window()->GetLocationBar(); if (location_bar) location_bar->SaveStateToContents(contents); } if (!tab_strip_model_->closing_all()) SyncHistoryWithTabs(0); } SetAsDelegate(contents, false); RemoveScheduledUpdatesFor(contents); if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) { find_bar_controller_->ChangeWebContents(NULL); } // Stop observing search model changes for this tab. search_delegate_->OnTabDetached(contents); for (size_t i = 0; i < interstitial_observers_.size(); i++) { if (interstitial_observers_[i]->web_contents() != contents) continue; delete interstitial_observers_[i]; interstitial_observers_.erase(interstitial_observers_.begin() + i); return; } } bool Browser::ShouldShowLocationBar() const { // Tabbed browser always show a location bar. if (is_type_tabbed()) return true; if (is_app()) { if (extensions::util::IsStreamlinedHostedAppsEnabled() && host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH) { // If streamlined hosted apps are enabled, show the location bar for // bookmark apps, except on ash which has the toolbar merged into the // frame. ExtensionService* service = extensions::ExtensionSystem::Get(profile_)->extension_service(); const extensions::Extension* extension = service ? service->GetInstalledExtension( web_app::GetExtensionIdFromApplicationName(app_name())) : NULL; return (!extension || extension->from_bookmark()) && app_name() != DevToolsWindow::kDevToolsApp; } else { return false; } } // Trusted app windows and system windows never show a location bar. return !is_trusted_source(); } bool Browser::SupportsWindowFeatureImpl(WindowFeature feature, bool check_fullscreen) const { bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen(); unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF; if (is_type_tabbed()) features |= FEATURE_BOOKMARKBAR; if (!hide_ui_for_fullscreen) { if (!is_type_tabbed()) features |= FEATURE_TITLEBAR; if (is_type_tabbed()) features |= FEATURE_TABSTRIP; if (is_type_tabbed()) features |= FEATURE_TOOLBAR; if (ShouldShowLocationBar()) features |= FEATURE_LOCATIONBAR; } return !!(features & feature); } void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) { BookmarkBar::State state; // The bookmark bar is always hidden for Guest Sessions and in fullscreen // mode, unless on the new tab page. if (profile_->IsGuestSession()) { state = BookmarkBar::HIDDEN; } else if (browser_defaults::bookmarks_enabled && profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar) && !ShouldHideUIForFullscreen()) { state = BookmarkBar::SHOW; } else { WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); BookmarkTabHelper* bookmark_tab_helper = web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL; if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar()) state = BookmarkBar::DETACHED; else state = BookmarkBar::HIDDEN; } if (state == bookmark_bar_state_) return; bookmark_bar_state_ = state; if (!window_) return; // This is called from the constructor when window_ is NULL. if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) { // Don't notify BrowserWindow on a tab switch as at the time this is invoked // BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations // end up querying state once they process the tab switch. return; } bool shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE; window_->BookmarkBarStateChanged(shouldAnimate ? BookmarkBar::ANIMATE_STATE_CHANGE : BookmarkBar::DONT_ANIMATE_STATE_CHANGE); } bool Browser::ShouldHideUIForFullscreen() const { // Windows and GTK remove the top controls in fullscreen, but Mac and Ash // keep the controls in a slide-down panel. return window_ && window_->ShouldHideUIForFullscreen(); } bool Browser::MaybeCreateBackgroundContents( int route_id, WebContents* opener_web_contents, const base::string16& frame_name, const GURL& target_url, const std::string& partition_id, content::SessionStorageNamespace* session_storage_namespace) { GURL opener_url = opener_web_contents->GetURL(); ExtensionService* extensions_service = extensions::ExtensionSystem::Get(profile_)->extension_service(); if (!opener_url.is_valid() || frame_name.empty() || !extensions_service || !extensions_service->is_ready()) return false; // Only hosted apps have web extents, so this ensures that only hosted apps // can create BackgroundContents. We don't have to check for background // permission as that is checked in RenderMessageFilter when the CreateWindow // message is processed. const Extension* extension = extensions_service->extensions()->GetHostedAppByURL(opener_url); if (!extension) return false; // No BackgroundContents allowed if BackgroundContentsService doesn't exist. BackgroundContentsService* service = BackgroundContentsServiceFactory::GetForProfile(profile_); if (!service) return false; // Ensure that we're trying to open this from the extension's process. SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance(); extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile_); if (!opener_site_instance->GetProcess() || !process_map->Contains( extension->id(), opener_site_instance->GetProcess()->GetID())) { return false; } // Only allow a single background contents per app. bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension); BackgroundContents* existing = service->GetAppBackgroundContents(base::ASCIIToUTF16(extension->id())); if (existing) { // For non-scriptable background contents, ignore the request altogether, // (returning true, so that a regular WebContents isn't created either). if (!allow_js_access) return true; // For scriptable background pages, if one already exists, close it (even // if it was specified in the manifest). delete existing; } // If script access is not allowed, create the the background contents in a // new SiteInstance, so that a separate process is used. scoped_refptr site_instance = allow_js_access ? opener_site_instance : content::SiteInstance::Create(opener_web_contents->GetBrowserContext()); // Passed all the checks, so this should be created as a BackgroundContents. BackgroundContents* contents = service->CreateBackgroundContents(site_instance.get(), route_id, profile_, frame_name, base::ASCIIToUTF16(extension->id()), partition_id, session_storage_namespace); // When a separate process is used, the original renderer cannot access the // new window later, thus we need to navigate the window now. if (contents && !allow_js_access) { contents->web_contents()->GetController().LoadURL( target_url, content::Referrer(), content::PAGE_TRANSITION_LINK, std::string()); // No extra headers. } return contents != NULL; }