browser.cc revision 868fa2fe829687343ffae624259930155e16dbd8
1// Copyright 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/browser/ui/browser.h" 6 7#if defined(OS_WIN) 8#include <windows.h> 9#include <shellapi.h> 10#endif // defined(OS_WIN) 11 12#include <algorithm> 13#include <string> 14 15#include "base/base_paths.h" 16#include "base/bind.h" 17#include "base/command_line.h" 18#include "base/logging.h" 19#include "base/metrics/histogram.h" 20#include "base/path_service.h" 21#include "base/prefs/pref_service.h" 22#include "base/process_info.h" 23#include "base/strings/string_number_conversions.h" 24#include "base/strings/string_util.h" 25#include "base/strings/stringprintf.h" 26#include "base/strings/utf_string_conversions.h" 27#include "base/threading/thread.h" 28#include "base/threading/thread_restrictions.h" 29#include "base/time.h" 30#include "chrome/app/chrome_command_ids.h" 31#include "chrome/browser/app_mode/app_mode_utils.h" 32#include "chrome/browser/autofill/personal_data_manager_factory.h" 33#include "chrome/browser/background/background_contents_service.h" 34#include "chrome/browser/background/background_contents_service_factory.h" 35#include "chrome/browser/bookmarks/bookmark_model.h" 36#include "chrome/browser/bookmarks/bookmark_utils.h" 37#include "chrome/browser/browser_process.h" 38#include "chrome/browser/browser_shutdown.h" 39#include "chrome/browser/character_encoding.h" 40#include "chrome/browser/chrome_page_zoom.h" 41#include "chrome/browser/content_settings/host_content_settings_map.h" 42#include "chrome/browser/content_settings/tab_specific_content_settings.h" 43#include "chrome/browser/custom_handlers/protocol_handler_registry.h" 44#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h" 45#include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h" 46#include "chrome/browser/devtools/devtools_toggle_action.h" 47#include "chrome/browser/devtools/devtools_window.h" 48#include "chrome/browser/download/download_item_model.h" 49#include "chrome/browser/download/download_service.h" 50#include "chrome/browser/download/download_service_factory.h" 51#include "chrome/browser/download/download_shelf.h" 52#include "chrome/browser/extensions/browser_extension_window_controller.h" 53#include "chrome/browser/extensions/extension_prefs.h" 54#include "chrome/browser/extensions/extension_service.h" 55#include "chrome/browser/extensions/extension_system.h" 56#include "chrome/browser/extensions/tab_helper.h" 57#include "chrome/browser/favicon/favicon_tab_helper.h" 58#include "chrome/browser/file_select_helper.h" 59#include "chrome/browser/first_run/first_run.h" 60#include "chrome/browser/google/google_url_tracker.h" 61#include "chrome/browser/infobars/infobar_service.h" 62#include "chrome/browser/infobars/simple_alert_infobar_delegate.h" 63#include "chrome/browser/lifetime/application_lifetime.h" 64#include "chrome/browser/media/media_capture_devices_dispatcher.h" 65#include "chrome/browser/net/url_fixer_upper.h" 66#include "chrome/browser/notifications/notification_ui_manager.h" 67#include "chrome/browser/pepper_broker_infobar_delegate.h" 68#include "chrome/browser/prefs/incognito_mode_prefs.h" 69#include "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h" 70#include "chrome/browser/profiles/profile.h" 71#include "chrome/browser/profiles/profile_destroyer.h" 72#include "chrome/browser/profiles/profile_manager.h" 73#include "chrome/browser/profiles/profile_metrics.h" 74#include "chrome/browser/repost_form_warning_controller.h" 75#include "chrome/browser/search/search.h" 76#include "chrome/browser/sessions/session_service.h" 77#include "chrome/browser/sessions/session_service_factory.h" 78#include "chrome/browser/sessions/session_tab_helper.h" 79#include "chrome/browser/sessions/session_types.h" 80#include "chrome/browser/sessions/tab_restore_service.h" 81#include "chrome/browser/sessions/tab_restore_service_factory.h" 82#include "chrome/browser/sync/profile_sync_service.h" 83#include "chrome/browser/sync/profile_sync_service_factory.h" 84#include "chrome/browser/sync/sync_ui_util.h" 85#include "chrome/browser/tab_contents/background_contents.h" 86#include "chrome/browser/tab_contents/retargeting_details.h" 87#include "chrome/browser/tab_contents/tab_util.h" 88#include "chrome/browser/themes/theme_service.h" 89#include "chrome/browser/themes/theme_service_factory.h" 90#include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h" 91#include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h" 92#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" 93#include "chrome/browser/ui/browser_command_controller.h" 94#include "chrome/browser/ui/browser_commands.h" 95#include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h" 96#include "chrome/browser/ui/browser_dialogs.h" 97#include "chrome/browser/ui/browser_finder.h" 98#include "chrome/browser/ui/browser_instant_controller.h" 99#include "chrome/browser/ui/browser_iterator.h" 100#include "chrome/browser/ui/browser_list.h" 101#include "chrome/browser/ui/browser_navigator.h" 102#include "chrome/browser/ui/browser_tab_contents.h" 103#include "chrome/browser/ui/browser_tab_restore_service_delegate.h" 104#include "chrome/browser/ui/browser_tab_strip_model_delegate.h" 105#include "chrome/browser/ui/browser_tabstrip.h" 106#include "chrome/browser/ui/browser_toolbar_model_delegate.h" 107#include "chrome/browser/ui/browser_ui_prefs.h" 108#include "chrome/browser/ui/browser_window.h" 109#include "chrome/browser/ui/chrome_pages.h" 110#include "chrome/browser/ui/chrome_select_file_policy.h" 111#include "chrome/browser/ui/extensions/shell_window.h" 112#include "chrome/browser/ui/find_bar/find_bar.h" 113#include "chrome/browser/ui/find_bar/find_bar_controller.h" 114#include "chrome/browser/ui/find_bar/find_tab_helper.h" 115#include "chrome/browser/ui/fullscreen/fullscreen_controller.h" 116#include "chrome/browser/ui/global_error/global_error.h" 117#include "chrome/browser/ui/global_error/global_error_service.h" 118#include "chrome/browser/ui/global_error/global_error_service_factory.h" 119#include "chrome/browser/ui/omnibox/location_bar.h" 120#include "chrome/browser/ui/search/search_delegate.h" 121#include "chrome/browser/ui/search/search_model.h" 122#include "chrome/browser/ui/search_engines/search_engine_tab_helper.h" 123#include "chrome/browser/ui/singleton_tabs.h" 124#include "chrome/browser/ui/status_bubble.h" 125#include "chrome/browser/ui/sync/browser_synced_window_delegate.h" 126#include "chrome/browser/ui/tab_contents/core_tab_helper.h" 127#include "chrome/browser/ui/tab_modal_confirm_dialog.h" 128#include "chrome/browser/ui/tabs/dock_info.h" 129#include "chrome/browser/ui/tabs/tab_menu_model.h" 130#include "chrome/browser/ui/tabs/tab_strip_model.h" 131#include "chrome/browser/ui/toolbar/toolbar_model_impl.h" 132#include "chrome/browser/ui/unload_controller.h" 133#include "chrome/browser/ui/web_applications/web_app_ui.h" 134#include "chrome/browser/ui/webui/signin/login_ui_service.h" 135#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h" 136#include "chrome/browser/ui/window_sizer/window_sizer.h" 137#include "chrome/browser/ui/zoom/zoom_controller.h" 138#include "chrome/browser/upgrade_detector.h" 139#include "chrome/browser/web_applications/web_app.h" 140#include "chrome/common/chrome_constants.h" 141#include "chrome/common/chrome_notification_types.h" 142#include "chrome/common/chrome_switches.h" 143#include "chrome/common/custom_handlers/protocol_handler.h" 144#include "chrome/common/extensions/background_info.h" 145#include "chrome/common/extensions/extension.h" 146#include "chrome/common/extensions/extension_constants.h" 147#include "chrome/common/pref_names.h" 148#include "chrome/common/profiling.h" 149#include "chrome/common/search_types.h" 150#include "chrome/common/startup_metric_utils.h" 151#include "chrome/common/url_constants.h" 152#include "components/web_modal/web_contents_modal_dialog_manager.h" 153#include "content/public/browser/devtools_manager.h" 154#include "content/public/browser/download_item.h" 155#include "content/public/browser/download_manager.h" 156#include "content/public/browser/interstitial_page.h" 157#include "content/public/browser/invalidate_type.h" 158#include "content/public/browser/navigation_controller.h" 159#include "content/public/browser/navigation_entry.h" 160#include "content/public/browser/notification_details.h" 161#include "content/public/browser/notification_service.h" 162#include "content/public/browser/plugin_service.h" 163#include "content/public/browser/render_process_host.h" 164#include "content/public/browser/render_view_host.h" 165#include "content/public/browser/site_instance.h" 166#include "content/public/browser/user_metrics.h" 167#include "content/public/browser/web_contents.h" 168#include "content/public/browser/web_contents_view.h" 169#include "content/public/common/content_restriction.h" 170#include "content/public/common/content_switches.h" 171#include "content/public/common/page_zoom.h" 172#include "content/public/common/renderer_preferences.h" 173#include "extensions/common/constants.h" 174#include "grit/chromium_strings.h" 175#include "grit/generated_resources.h" 176#include "grit/locale_settings.h" 177#include "grit/theme_resources.h" 178#include "net/base/net_util.h" 179#include "net/base/registry_controlled_domains/registry_controlled_domain.h" 180#include "net/cookies/cookie_monster.h" 181#include "net/url_request/url_request_context.h" 182#include "ui/base/l10n/l10n_util.h" 183#include "ui/base/window_open_disposition.h" 184#include "ui/gfx/point.h" 185#include "ui/shell_dialogs/selected_file_info.h" 186#include "webkit/glue/webkit_glue.h" 187#include "webkit/plugins/webplugininfo.h" 188 189#if defined(OS_WIN) 190#include "base/win/metro.h" 191#include "chrome/browser/shell_integration.h" 192#include "chrome/browser/ssl/ssl_error_info.h" 193#include "chrome/browser/task_manager/task_manager.h" 194#include "chrome/browser/ui/view_ids.h" 195#include "components/autofill/browser/autofill_ie_toolbar_import_win.h" 196#include "ui/base/win/shell.h" 197#include "ui/views/win/hwnd_util.h" 198#endif // OS_WIN 199 200#if defined(OS_CHROMEOS) 201#include "chrome/browser/chromeos/drive/file_system_util.h" 202#endif 203 204#if defined(USE_ASH) 205#include "ash/ash_switches.h" 206#endif 207 208using base::TimeDelta; 209using content::NativeWebKeyboardEvent; 210using content::NavigationController; 211using content::NavigationEntry; 212using content::OpenURLParams; 213using content::PluginService; 214using content::Referrer; 215using content::SiteInstance; 216using content::UserMetricsAction; 217using content::WebContents; 218using extensions::Extension; 219using ui::WebDialogDelegate; 220using web_modal::WebContentsModalDialogManager; 221 222/////////////////////////////////////////////////////////////////////////////// 223 224namespace { 225 226// The URL to be loaded to display the "Report a broken page" form. 227const char kBrokenPageUrl[] = 228 "https://www.google.com/support/chrome/bin/request.py?contact_type=" 229 "broken_website&format=inproduct&p.page_title=$1&p.page_url=$2"; 230 231// How long we wait before updating the browser chrome while loading a page. 232const int kUIUpdateCoalescingTimeMS = 200; 233 234BrowserWindow* CreateBrowserWindow(Browser* browser) { 235 return BrowserWindow::CreateBrowserWindow(browser); 236} 237 238} // namespace 239 240//////////////////////////////////////////////////////////////////////////////// 241// Browser, CreateParams: 242 243Browser::CreateParams::CreateParams(Profile* profile, 244 chrome::HostDesktopType host_desktop_type) 245 : type(TYPE_TABBED), 246 profile(profile), 247 host_desktop_type(host_desktop_type), 248 app_type(APP_TYPE_HOST), 249 initial_show_state(ui::SHOW_STATE_DEFAULT), 250 is_session_restore(false), 251 window(NULL) { 252} 253 254Browser::CreateParams::CreateParams(Type type, 255 Profile* profile, 256 chrome::HostDesktopType host_desktop_type) 257 : type(type), 258 profile(profile), 259 host_desktop_type(host_desktop_type), 260 app_type(APP_TYPE_HOST), 261 initial_show_state(ui::SHOW_STATE_DEFAULT), 262 is_session_restore(false), 263 window(NULL) { 264} 265 266// static 267Browser::CreateParams Browser::CreateParams::CreateForApp( 268 Type type, 269 const std::string& app_name, 270 const gfx::Rect& window_bounds, 271 Profile* profile, 272 chrome::HostDesktopType host_desktop_type) { 273 DCHECK(type != TYPE_TABBED); 274 DCHECK(!app_name.empty()); 275 276 CreateParams params(type, profile, host_desktop_type); 277 params.app_name = app_name; 278 params.app_type = APP_TYPE_CHILD; 279 params.initial_bounds = window_bounds; 280 281 return params; 282} 283 284// static 285Browser::CreateParams Browser::CreateParams::CreateForDevTools( 286 Profile* profile, 287 chrome::HostDesktopType host_desktop_type) { 288 CreateParams params(TYPE_POPUP, profile, host_desktop_type); 289 params.app_name = DevToolsWindow::kDevToolsApp; 290 return params; 291} 292 293//////////////////////////////////////////////////////////////////////////////// 294// Browser, InterstitialObserver: 295 296class Browser::InterstitialObserver : public content::WebContentsObserver { 297 public: 298 InterstitialObserver(Browser* browser, content::WebContents* web_contents) 299 : WebContentsObserver(web_contents), 300 browser_(browser) { 301 } 302 303 using content::WebContentsObserver::web_contents; 304 305 virtual void DidAttachInterstitialPage() OVERRIDE { 306 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 307 } 308 309 virtual void DidDetachInterstitialPage() OVERRIDE { 310 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 311 } 312 313 private: 314 Browser* browser_; 315 316 DISALLOW_COPY_AND_ASSIGN(InterstitialObserver); 317}; 318 319/////////////////////////////////////////////////////////////////////////////// 320// Browser, Constructors, Creation, Showing: 321 322Browser::Browser(const CreateParams& params) 323 : type_(params.type), 324 profile_(params.profile), 325 window_(NULL), 326 tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)), 327 tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(), 328 params.profile)), 329 app_name_(params.app_name), 330 app_type_(params.app_type), 331 chrome_updater_factory_(this), 332 cancel_download_confirmation_state_(NOT_PROMPTED), 333 override_bounds_(params.initial_bounds), 334 initial_show_state_(params.initial_show_state), 335 is_session_restore_(params.is_session_restore), 336 host_desktop_type_(params.host_desktop_type), 337 unload_controller_(new chrome::UnloadController(this)), 338 weak_factory_(this), 339 content_setting_bubble_model_delegate_( 340 new BrowserContentSettingBubbleModelDelegate(this)), 341 toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)), 342 tab_restore_service_delegate_(new BrowserTabRestoreServiceDelegate(this)), 343 synced_window_delegate_(new BrowserSyncedWindowDelegate(this)), 344 bookmark_bar_state_(BookmarkBar::HIDDEN), 345 command_controller_(new chrome::BrowserCommandController( 346 this, g_browser_process->profile_manager())), 347 window_has_shown_(false) { 348 // If this causes a crash then a window is being opened using a profile type 349 // that is disallowed by policy. The crash prevents the disabled window type 350 // from opening at all, but the path that triggered it should be fixed. 351 CHECK(IncognitoModePrefs::CanOpenBrowser(profile_)); 352 353 if (!app_name_.empty()) 354 chrome::RegisterAppPrefs(app_name_, profile_); 355 tab_strip_model_->AddObserver(this); 356 357 toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get())); 358 search_model_.reset(new SearchModel()); 359 search_delegate_.reset( 360 new SearchDelegate(search_model_.get(), toolbar_model_.get())); 361 362 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, 363 content::Source<Profile>(profile_->GetOriginalProfile())); 364 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, 365 content::Source<Profile>(profile_->GetOriginalProfile())); 366 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED, 367 content::Source<Profile>(profile_->GetOriginalProfile())); 368 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED, 369 content::NotificationService::AllSources()); 370#if defined(ENABLE_THEMES) 371 registrar_.Add( 372 this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 373 content::Source<ThemeService>( 374 ThemeServiceFactory::GetForProfile(profile_))); 375#endif 376 registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED, 377 content::NotificationService::AllSources()); 378 379 profile_pref_registrar_.Init(profile_->GetPrefs()); 380 profile_pref_registrar_.Add( 381 prefs::kDevToolsDisabled, 382 base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this))); 383 profile_pref_registrar_.Add( 384 prefs::kShowBookmarkBar, 385 base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this), 386 BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE)); 387 388 BrowserList::AddBrowser(this); 389 390 // NOTE: These prefs all need to be explicitly destroyed in the destructor 391 // or you'll get a nasty surprise when you run the incognito tests. 392 encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector, 393 profile_->GetPrefs()); 394 395 if (is_type_tabbed()) 396 instant_controller_.reset(new BrowserInstantController(this)); 397 398 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT); 399 400 ProfileMetrics::LogProfileLaunch(profile_); 401 402 window_ = params.window ? params.window : CreateBrowserWindow(this); 403 404 // TODO(beng): move to BrowserFrameWin. 405#if defined(OS_WIN) 406 // Set the app user model id for this application to that of the application 407 // name. See http://crbug.com/7028. 408 ui::win::SetAppIdForWindow( 409 is_app() ? 410 ShellIntegration::GetAppModelIdForProfile(UTF8ToWide(app_name_), 411 profile_->GetPath()) : 412 ShellIntegration::GetChromiumModelIdForProfile(profile_->GetPath()), 413 views::HWNDForNativeWindow(window()->GetNativeWindow())); 414#endif 415 416 // Create the extension window controller before sending notifications. 417 extension_window_controller_.reset( 418 new BrowserExtensionWindowController(this)); 419 420 // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and 421 // replace uses of this with BL's notifications. 422 content::NotificationService::current()->Notify( 423 chrome::NOTIFICATION_BROWSER_WINDOW_READY, 424 content::Source<Browser>(this), 425 content::NotificationService::NoDetails()); 426 427 // TODO(beng): move to ChromeBrowserMain: 428 if (first_run::ShouldDoPersonalDataManagerFirstRun()) { 429#if defined(OS_WIN) 430 // Notify PDM that this is a first run. 431 ImportAutofillDataWin( 432 autofill::PersonalDataManagerFactory::GetForProfile(profile_)); 433#endif // defined(OS_WIN) 434 } 435 436 fullscreen_controller_.reset(new FullscreenController(this)); 437 search_model_->AddObserver(this); 438} 439 440Browser::~Browser() { 441 // The tab strip should not have any tabs at this point. 442 if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers()) 443 DCHECK(tab_strip_model_->empty()); 444 445 search_model_->RemoveObserver(this); 446 tab_strip_model_->RemoveObserver(this); 447 448 // Destroy the BrowserCommandController before removing the browser, so that 449 // it doesn't act on any notifications that are sent as a result of removing 450 // the browser. 451 command_controller_.reset(); 452 BrowserList::RemoveBrowser(this); 453 454 SessionService* session_service = 455 SessionServiceFactory::GetForProfile(profile_); 456 if (session_service) 457 session_service->WindowClosed(session_id_); 458 459 TabRestoreService* tab_restore_service = 460 TabRestoreServiceFactory::GetForProfile(profile()); 461 if (tab_restore_service) 462 tab_restore_service->BrowserClosed(tab_restore_service_delegate()); 463 464#if !defined(OS_MACOSX) 465 if (!chrome::GetTotalBrowserCountForProfile(profile_)) { 466 // We're the last browser window with this profile. We need to nuke the 467 // TabRestoreService, which will start the shutdown of the 468 // NavigationControllers and allow for proper shutdown. If we don't do this 469 // chrome won't shutdown cleanly, and may end up crashing when some 470 // thread tries to use the IO thread (or another thread) that is no longer 471 // valid. 472 // This isn't a valid assumption for Mac OS, as it stays running after 473 // the last browser has closed. The Mac equivalent is in its app 474 // controller. 475 TabRestoreServiceFactory::ResetForProfile(profile_); 476 } 477#endif 478 479 profile_pref_registrar_.RemoveAll(); 480 481 encoding_auto_detect_.Destroy(); 482 483 // Destroy BrowserExtensionWindowController before the incognito profile 484 // is destroyed to make sure the chrome.windows.onRemoved event is sent. 485 extension_window_controller_.reset(); 486 487 if (profile_->IsOffTheRecord() && 488 !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) { 489 // An incognito profile is no longer needed, this indirectly frees 490 // its cache and cookies once it gets destroyed at the appropriate time. 491 ProfileDestroyer::DestroyProfileWhenAppropriate(profile_); 492 } 493 494 // There may be pending file dialogs, we need to tell them that we've gone 495 // away so they don't try and call back to us. 496 if (select_file_dialog_.get()) 497 select_file_dialog_->ListenerDestroyed(); 498} 499 500/////////////////////////////////////////////////////////////////////////////// 501// Getters & Setters 502 503FindBarController* Browser::GetFindBarController() { 504 if (!find_bar_controller_.get()) { 505 FindBar* find_bar = window_->CreateFindBar(); 506 find_bar_controller_.reset(new FindBarController(find_bar)); 507 find_bar->SetFindBarController(find_bar_controller_.get()); 508 find_bar_controller_->ChangeWebContents( 509 tab_strip_model_->GetActiveWebContents()); 510 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 511 } 512 return find_bar_controller_.get(); 513} 514 515bool Browser::HasFindBarController() const { 516 return find_bar_controller_.get() != NULL; 517} 518 519bool Browser::is_app() const { 520 return !app_name_.empty(); 521} 522 523bool Browser::is_devtools() const { 524 return app_name_ == DevToolsWindow::kDevToolsApp; 525} 526 527/////////////////////////////////////////////////////////////////////////////// 528// Browser, State Storage and Retrieval for UI: 529 530gfx::Image Browser::GetCurrentPageIcon() const { 531 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 532 // |web_contents| can be NULL since GetCurrentPageIcon() is called by the 533 // window during the window's creation (before tabs have been added). 534 FaviconTabHelper* favicon_tab_helper = 535 web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL; 536 return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image(); 537} 538 539string16 Browser::GetWindowTitleForCurrentTab() const { 540 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 541 string16 title; 542 543 // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the 544 // window during the window's creation (before tabs have been added). 545 if (contents) { 546 title = contents->GetTitle(); 547 FormatTitleForDisplay(&title); 548 } 549 if (title.empty()) 550 title = CoreTabHelper::GetDefaultTitle(); 551 552#if defined(OS_MACOSX) 553 // On Mac, we don't want to suffix the page title with 554 // the application name. 555 return title; 556#elif defined(USE_ASH) 557 // On Ash, we don't want to suffix the page title with the application name, 558 // but on Windows, where USE_ASH can also be true, we still want the prefix 559 // on desktop. 560 if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) 561 return title; 562#endif 563 // Don't append the app name to window titles on app frames and app popups 564 return is_app() ? 565 title : 566 l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title); 567} 568 569// static 570void Browser::FormatTitleForDisplay(string16* title) { 571 size_t current_index = 0; 572 size_t match_index; 573 while ((match_index = title->find(L'\n', current_index)) != string16::npos) { 574 title->replace(match_index, 1, string16()); 575 current_index = match_index; 576 } 577} 578 579/////////////////////////////////////////////////////////////////////////////// 580// Browser, OnBeforeUnload handling: 581 582bool Browser::ShouldCloseWindow() { 583 if (!CanCloseWithInProgressDownloads()) 584 return false; 585 586 return unload_controller_->ShouldCloseWindow(); 587} 588 589bool Browser::TabsNeedBeforeUnloadFired() { 590 return unload_controller_->TabsNeedBeforeUnloadFired(); 591} 592 593bool Browser::HasCompletedUnloadProcessing() const { 594 return unload_controller_->HasCompletedUnloadProcessing(); 595} 596 597bool Browser::IsAttemptingToCloseBrowser() const { 598 return unload_controller_->is_attempting_to_close_browser(); 599} 600 601void Browser::OnWindowClosing() { 602 if (!ShouldCloseWindow()) 603 return; 604 605 // Application should shutdown on last window close if the user is explicitly 606 // trying to quit, or if there is nothing keeping the browser alive (such as 607 // AppController on the Mac, or BackgroundContentsService for background 608 // pages). 609 bool should_quit_if_last_browser = 610 browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive(); 611 612 if (should_quit_if_last_browser && 613 BrowserList::GetInstance(host_desktop_type_)->size() == 1) { 614 browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE); 615 } 616 617 // Don't use GetForProfileIfExisting here, we want to force creation of the 618 // session service so that user can restore what was open. 619 SessionService* session_service = 620 SessionServiceFactory::GetForProfile(profile()); 621 if (session_service) 622 session_service->WindowClosing(session_id()); 623 624 TabRestoreService* tab_restore_service = 625 TabRestoreServiceFactory::GetForProfile(profile()); 626 627#if defined(USE_AURA) 628 if (tab_restore_service && is_app()) 629 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 630#endif 631 632 if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count()) 633 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 634 635 // TODO(sky): convert session/tab restore to use notification. 636 content::NotificationService::current()->Notify( 637 chrome::NOTIFICATION_BROWSER_CLOSING, 638 content::Source<Browser>(this), 639 content::NotificationService::NoDetails()); 640} 641 642//////////////////////////////////////////////////////////////////////////////// 643// In-progress download termination handling: 644 645void Browser::InProgressDownloadResponse(bool cancel_downloads) { 646 if (cancel_downloads) { 647 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 648 chrome::CloseWindow(this); 649 return; 650 } 651 652 // Sets the confirmation state to NOT_PROMPTED so that if the user tries to 653 // close again we'll show the warning again. 654 cancel_download_confirmation_state_ = NOT_PROMPTED; 655 656 // Show the download page so the user can figure-out what downloads are still 657 // in-progress. 658 chrome::ShowDownloads(this); 659} 660 661Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads( 662 int* num_downloads_blocking) const { 663 DCHECK(num_downloads_blocking); 664 *num_downloads_blocking = 0; 665 666 if (IsAttemptingToCloseBrowser()) 667 return DOWNLOAD_CLOSE_OK; 668 669 // If we're not running a full browser process with a profile manager 670 // (testing), it's ok to close the browser. 671 if (!g_browser_process->profile_manager()) 672 return DOWNLOAD_CLOSE_OK; 673 674 int total_download_count = DownloadService::DownloadCountAllProfiles(); 675 if (total_download_count == 0) 676 return DOWNLOAD_CLOSE_OK; // No downloads; can definitely close. 677 678 // Figure out how many windows are open total, and associated with this 679 // profile, that are relevant for the ok-to-close decision. 680 int profile_window_count = 0; 681 int total_window_count = 0; 682 for (chrome::BrowserIterator it; !it.done(); it.Next()) { 683 // Don't count this browser window or any other in the process of closing. 684 Browser* const browser = *it; 685 // Window closing may be delayed, and windows that are in the process of 686 // closing don't count against our totals. 687 if (browser == this || browser->IsAttemptingToCloseBrowser()) 688 continue; 689 690 if (it->profile() == profile()) 691 profile_window_count++; 692 total_window_count++; 693 } 694 695 // If there aren't any other windows, we're at browser shutdown, 696 // which would cancel all current downloads. 697 if (total_window_count == 0) { 698 *num_downloads_blocking = total_download_count; 699 return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN; 700 } 701 702 // If there aren't any other windows on our profile, and we're an incognito 703 // profile, and there are downloads associated with that profile, 704 // those downloads would be cancelled by our window (-> profile) close. 705 DownloadService* download_service = 706 DownloadServiceFactory::GetForProfile(profile()); 707 if (profile_window_count == 0 && download_service->DownloadCount() > 0 && 708 profile()->IsOffTheRecord()) { 709 *num_downloads_blocking = download_service->DownloadCount(); 710 return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE; 711 } 712 713 // Those are the only conditions under which we will block shutdown. 714 return DOWNLOAD_CLOSE_OK; 715} 716 717//////////////////////////////////////////////////////////////////////////////// 718// Browser, Tab adding/showing functions: 719 720void Browser::WindowFullscreenStateChanged() { 721 fullscreen_controller_->WindowFullscreenStateChanged(); 722 command_controller_->FullscreenStateChanged(); 723 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN); 724} 725 726void Browser::VisibleSSLStateChanged(content::WebContents* web_contents) { 727 // When the current tab's SSL state changes, we need to update the URL 728 // bar to reflect the new state. 729 DCHECK(web_contents); 730 if (tab_strip_model_->GetActiveWebContents() == web_contents) 731 UpdateToolbar(false); 732} 733 734/////////////////////////////////////////////////////////////////////////////// 735// Browser, Assorted browser commands: 736 737void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) { 738 fullscreen_controller_->ToggleFullscreenModeWithExtension(extension_url); 739} 740 741bool Browser::SupportsWindowFeature(WindowFeature feature) const { 742 return SupportsWindowFeatureImpl(feature, true); 743} 744 745bool Browser::CanSupportWindowFeature(WindowFeature feature) const { 746 return SupportsWindowFeatureImpl(feature, false); 747} 748 749void Browser::ToggleEncodingAutoDetect() { 750 content::RecordAction(UserMetricsAction("AutoDetectChange")); 751 encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue()); 752 // If "auto detect" is turned on, then any current override encoding 753 // is cleared. This also implicitly performs a reload. 754 // OTOH, if "auto detect" is turned off, we don't change the currently 755 // active encoding. 756 if (encoding_auto_detect_.GetValue()) { 757 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 758 if (contents) 759 contents->ResetOverrideEncoding(); 760 } 761} 762 763void Browser::OverrideEncoding(int encoding_id) { 764 content::RecordAction(UserMetricsAction("OverrideEncoding")); 765 const std::string selected_encoding = 766 CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id); 767 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 768 if (!selected_encoding.empty() && contents) 769 contents->SetOverrideEncoding(selected_encoding); 770 // Update the list of recently selected encodings. 771 std::string new_selected_encoding_list; 772 if (CharacterEncoding::UpdateRecentlySelectedEncoding( 773 profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding), 774 encoding_id, 775 &new_selected_encoding_list)) { 776 profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding, 777 new_selected_encoding_list); 778 } 779} 780 781void Browser::OpenFile() { 782 content::RecordAction(UserMetricsAction("OpenFile")); 783 select_file_dialog_ = ui::SelectFileDialog::Create( 784 this, new ChromeSelectFilePolicy( 785 tab_strip_model_->GetActiveWebContents())); 786 787 const base::FilePath directory = profile_->last_selected_directory(); 788 789 // TODO(beng): figure out how to juggle this. 790 gfx::NativeWindow parent_window = window_->GetNativeWindow(); 791 ui::SelectFileDialog::FileTypeInfo file_types; 792 file_types.support_drive = true; 793 select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE, 794 string16(), 795 directory, 796 &file_types, 797 0, 798 base::FilePath::StringType(), 799 parent_window, 800 NULL); 801} 802 803void Browser::UpdateDownloadShelfVisibility(bool visible) { 804 if (GetStatusBubble()) 805 GetStatusBubble()->UpdateDownloadShelfVisibility(visible); 806} 807 808/////////////////////////////////////////////////////////////////////////////// 809 810// static 811bool Browser::RunUnloadEventsHelper(WebContents* contents) { 812 // If the WebContents is not connected yet, then there's no unload 813 // handler we can fire even if the WebContents has an unload listener. 814 // One case where we hit this is in a tab that has an infinite loop 815 // before load. 816 if (contents->NeedToFireBeforeUnload()) { 817 // If the page has unload listeners, then we tell the renderer to fire 818 // them. Once they have fired, we'll get a message back saying whether 819 // to proceed closing the page or not, which sends us back to this method 820 // with the NeedToFireBeforeUnload bit cleared. 821 contents->GetRenderViewHost()->FirePageBeforeUnload(false); 822 return true; 823 } 824 return false; 825} 826 827// static 828void Browser::JSOutOfMemoryHelper(WebContents* web_contents) { 829 InfoBarService* infobar_service = 830 InfoBarService::FromWebContents(web_contents); 831 if (!infobar_service) 832 return; 833 834 SimpleAlertInfoBarDelegate::Create( 835 infobar_service, InfoBarDelegate::kNoIconID, 836 l10n_util::GetStringUTF16(IDS_JS_OUT_OF_MEMORY_PROMPT), true); 837} 838 839// static 840void Browser::RegisterProtocolHandlerHelper(WebContents* web_contents, 841 const std::string& protocol, 842 const GURL& url, 843 const string16& title, 844 bool user_gesture, 845 BrowserWindow* window) { 846 Profile* profile = 847 Profile::FromBrowserContext(web_contents->GetBrowserContext()); 848 if (profile->IsOffTheRecord()) 849 return; 850 851 ProtocolHandler handler = 852 ProtocolHandler::CreateProtocolHandler(protocol, url, title); 853 854 ProtocolHandlerRegistry* registry = 855 ProtocolHandlerRegistryFactory::GetForProfile(profile); 856 if (registry->SilentlyHandleRegisterHandlerRequest(handler)) 857 return; 858 859 TabSpecificContentSettings* tab_content_settings = 860 TabSpecificContentSettings::FromWebContents(web_contents); 861 if (!user_gesture && window) { 862 tab_content_settings->set_pending_protocol_handler(handler); 863 tab_content_settings->set_previous_protocol_handler( 864 registry->GetHandlerFor(handler.protocol())); 865 window->GetLocationBar()->UpdateContentSettingsIcons(); 866 return; 867 } 868 869 // Make sure content-setting icon is turned off in case the page does 870 // ungestured and gestured RPH calls. 871 if (window) { 872 tab_content_settings->ClearPendingProtocolHandler(); 873 window->GetLocationBar()->UpdateContentSettingsIcons(); 874 } 875 876 RegisterProtocolHandlerInfoBarDelegate::Create( 877 InfoBarService::FromWebContents(web_contents), registry, handler); 878} 879 880// static 881void Browser::FindReplyHelper(WebContents* web_contents, 882 int request_id, 883 int number_of_matches, 884 const gfx::Rect& selection_rect, 885 int active_match_ordinal, 886 bool final_update) { 887 FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); 888 if (!find_tab_helper) 889 return; 890 891 find_tab_helper->HandleFindReply(request_id, 892 number_of_matches, 893 selection_rect, 894 active_match_ordinal, 895 final_update); 896} 897 898void Browser::UpdateUIForNavigationInTab(WebContents* contents, 899 content::PageTransition transition, 900 bool user_initiated) { 901 tab_strip_model_->TabNavigating(contents, transition); 902 903 bool contents_is_selected = 904 contents == tab_strip_model_->GetActiveWebContents(); 905 if (user_initiated && contents_is_selected && window()->GetLocationBar()) { 906 // Forcibly reset the location bar if the url is going to change in the 907 // current tab, since otherwise it won't discard any ongoing user edits, 908 // since it doesn't realize this is a user-initiated action. 909 window()->GetLocationBar()->Revert(); 910 } 911 912 if (GetStatusBubble()) 913 GetStatusBubble()->Hide(); 914 915 // Update the location bar. This is synchronous. We specifically don't 916 // update the load state since the load hasn't started yet and updating it 917 // will put it out of sync with the actual state like whether we're 918 // displaying a favicon, which controls the throbber. If we updated it here, 919 // the throbber will show the default favicon for a split second when 920 // navigating away from the new tab page. 921 ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL); 922 923 if (contents_is_selected) 924 contents->GetView()->SetInitialFocus(); 925} 926 927/////////////////////////////////////////////////////////////////////////////// 928// Browser, PageNavigator implementation: 929 930WebContents* Browser::OpenURL(const OpenURLParams& params) { 931 return OpenURLFromTab(NULL, params); 932} 933 934/////////////////////////////////////////////////////////////////////////////// 935// Browser, TabStripModelObserver implementation: 936 937void Browser::TabInsertedAt(WebContents* contents, 938 int index, 939 bool foreground) { 940 SetAsDelegate(contents, this); 941 SessionTabHelper* session_tab_helper = 942 SessionTabHelper::FromWebContents(contents); 943 session_tab_helper->SetWindowID(session_id()); 944 945 content::NotificationService::current()->Notify( 946 chrome::NOTIFICATION_TAB_PARENTED, 947 content::Source<content::WebContents>(contents), 948 content::NotificationService::NoDetails()); 949 950 SyncHistoryWithTabs(index); 951 952 // Make sure the loading state is updated correctly, otherwise the throbber 953 // won't start if the page is loading. 954 LoadingStateChanged(contents); 955 956 interstitial_observers_.push_back(new InterstitialObserver(this, contents)); 957 958 SessionService* session_service = 959 SessionServiceFactory::GetForProfile(profile_); 960 if (session_service) { 961 session_service->TabInserted(contents); 962 int new_active_index = tab_strip_model_->active_index(); 963 if (index < new_active_index) 964 session_service->SetSelectedTabInWindow(session_id(), 965 new_active_index); 966 } 967} 968 969void Browser::TabClosingAt(TabStripModel* tab_strip_model, 970 WebContents* contents, 971 int index) { 972 fullscreen_controller_->OnTabClosing(contents); 973 SessionService* session_service = 974 SessionServiceFactory::GetForProfile(profile_); 975 if (session_service) 976 session_service->TabClosing(contents); 977 content::NotificationService::current()->Notify( 978 chrome::NOTIFICATION_TAB_CLOSING, 979 content::Source<NavigationController>(&contents->GetController()), 980 content::NotificationService::NoDetails()); 981 982 // Sever the WebContents' connection back to us. 983 SetAsDelegate(contents, NULL); 984} 985 986void Browser::TabDetachedAt(WebContents* contents, int index) { 987 // TabDetachedAt is called before TabStripModel has updated the 988 // active index. 989 int old_active_index = tab_strip_model_->active_index(); 990 if (index < old_active_index && !tab_strip_model_->closing_all()) { 991 SessionService* session_service = 992 SessionServiceFactory::GetForProfileIfExisting(profile_); 993 if (session_service) 994 session_service->SetSelectedTabInWindow(session_id(), 995 old_active_index - 1); 996 } 997 TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH); 998} 999 1000void Browser::TabDeactivated(WebContents* contents) { 1001 fullscreen_controller_->OnTabDeactivated(contents); 1002 search_delegate_->OnTabDeactivated(contents); 1003 1004 // Save what the user's currently typing, so it can be restored when we 1005 // switch back to this tab. 1006 window_->GetLocationBar()->SaveStateToContents(contents); 1007 1008 if (instant_controller_) 1009 instant_controller_->TabDeactivated(contents); 1010} 1011 1012void Browser::ActiveTabChanged(WebContents* old_contents, 1013 WebContents* new_contents, 1014 int index, 1015 int reason) { 1016 content::RecordAction(UserMetricsAction("ActiveTabChanged")); 1017 1018 // Discarded tabs always get reloaded. 1019 if (tab_strip_model_->IsTabDiscarded(index)) { 1020 LOG(WARNING) << "Reloading discarded tab at " << index; 1021 static int reload_count = 0; 1022 UMA_HISTOGRAM_CUSTOM_COUNTS( 1023 "Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50); 1024 chrome::Reload(this, CURRENT_TAB); 1025 } 1026 1027 // If we have any update pending, do it now. 1028 if (chrome_updater_factory_.HasWeakPtrs() && old_contents) 1029 ProcessPendingUIUpdates(); 1030 1031 // Propagate the profile to the location bar. 1032 UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0); 1033 1034 // Propagate tab state to toolbar, tab-strip, etc. 1035 UpdateSearchState(new_contents); 1036 1037 // Update reload/stop state. 1038 command_controller_->LoadingStateChanged(new_contents->IsLoading(), true); 1039 1040 // Update commands to reflect current state. 1041 command_controller_->TabStateChanged(); 1042 1043 // Reset the status bubble. 1044 StatusBubble* status_bubble = GetStatusBubble(); 1045 if (status_bubble) { 1046 status_bubble->Hide(); 1047 1048 // Show the loading state (if any). 1049 status_bubble->SetStatus(CoreTabHelper::FromWebContents( 1050 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1051 } 1052 1053 if (HasFindBarController()) { 1054 find_bar_controller_->ChangeWebContents(new_contents); 1055 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 1056 } 1057 1058 // Update sessions. Don't force creation of sessions. If sessions doesn't 1059 // exist, the change will be picked up by sessions when created. 1060 SessionService* session_service = 1061 SessionServiceFactory::GetForProfileIfExisting(profile_); 1062 if (session_service && !tab_strip_model_->closing_all()) { 1063 session_service->SetSelectedTabInWindow(session_id(), 1064 tab_strip_model_->active_index()); 1065 } 1066 1067 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH); 1068 1069 // This needs to be called after UpdateSearchState(). 1070 if (instant_controller_) 1071 instant_controller_->ActiveTabChanged(); 1072} 1073 1074void Browser::TabMoved(WebContents* contents, 1075 int from_index, 1076 int to_index) { 1077 DCHECK(from_index >= 0 && to_index >= 0); 1078 // Notify the history service. 1079 SyncHistoryWithTabs(std::min(from_index, to_index)); 1080} 1081 1082void Browser::TabReplacedAt(TabStripModel* tab_strip_model, 1083 WebContents* old_contents, 1084 WebContents* new_contents, 1085 int index) { 1086 TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE); 1087 SessionService* session_service = 1088 SessionServiceFactory::GetForProfile(profile_); 1089 if (session_service) 1090 session_service->TabClosing(old_contents); 1091 TabInsertedAt(new_contents, 1092 index, 1093 (index == tab_strip_model_->active_index())); 1094 1095 int entry_count = new_contents->GetController().GetEntryCount(); 1096 if (entry_count > 0) { 1097 // Send out notification so that observers are updated appropriately. 1098 new_contents->GetController().NotifyEntryChanged( 1099 new_contents->GetController().GetEntryAtIndex(entry_count - 1), 1100 entry_count - 1); 1101 } 1102 1103 if (session_service) { 1104 // The new_contents may end up with a different navigation stack. Force 1105 // the session service to update itself. 1106 session_service->TabRestored(new_contents, 1107 tab_strip_model_->IsTabPinned(index)); 1108 } 1109} 1110 1111void Browser::TabPinnedStateChanged(WebContents* contents, int index) { 1112 SessionService* session_service = 1113 SessionServiceFactory::GetForProfileIfExisting(profile()); 1114 if (session_service) { 1115 SessionTabHelper* session_tab_helper = 1116 SessionTabHelper::FromWebContents(contents); 1117 session_service->SetPinnedState(session_id(), 1118 session_tab_helper->session_id(), 1119 tab_strip_model_->IsTabPinned(index)); 1120 } 1121} 1122 1123void Browser::TabStripEmpty() { 1124 // Close the frame after we return to the message loop (not immediately, 1125 // otherwise it will destroy this object before the stack has a chance to 1126 // cleanly unwind.) 1127 // Note: This will be called several times if TabStripEmpty is called several 1128 // times. This is because it does not close the window if tabs are 1129 // still present. 1130 base::MessageLoop::current()->PostTask( 1131 FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr())); 1132 1133 // Instant may have visible WebContents that need to be detached before the 1134 // window system closes. 1135 instant_controller_.reset(); 1136} 1137 1138bool Browser::CanOverscrollContent() const { 1139#if defined(USE_AURA) 1140 bool overscroll_enabled = CommandLine::ForCurrentProcess()-> 1141 GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) == "1"; 1142 if (!overscroll_enabled) 1143 return false; 1144 if (is_app() || is_devtools() || !is_type_tabbed()) 1145 return false; 1146 1147 // The detached bookmark bar has appearance of floating above the 1148 // web-contents. This does not play nicely with overscroll navigation 1149 // gestures. So disable overscroll navigation when the bookmark bar is in the 1150 // detached state. 1151 if (bookmark_bar_state_ == BookmarkBar::DETACHED) 1152 return false; 1153 return true; 1154#else 1155 return false; 1156#endif 1157} 1158 1159bool Browser::PreHandleKeyboardEvent(content::WebContents* source, 1160 const NativeWebKeyboardEvent& event, 1161 bool* is_keyboard_shortcut) { 1162 // Escape exits tabbed fullscreen mode. 1163 // TODO(koz): Write a test for this http://crbug.com/100441. 1164 if (event.windowsKeyCode == 27 && 1165 fullscreen_controller_->HandleUserPressedEscape()) { 1166 return true; 1167 } 1168 return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut); 1169} 1170 1171void Browser::HandleKeyboardEvent(content::WebContents* source, 1172 const NativeWebKeyboardEvent& event) { 1173 window()->HandleKeyboardEvent(event); 1174} 1175 1176bool Browser::IsMouseLocked() const { 1177 return fullscreen_controller_->IsMouseLocked(); 1178} 1179 1180void Browser::OnWindowDidShow() { 1181 if (window_has_shown_) 1182 return; 1183 window_has_shown_ = true; 1184 1185// CurrentProcessInfo::CreationTime() is currently only implemented on Mac and 1186// Windows. 1187#if defined(OS_MACOSX) || defined(OS_WIN) 1188 // Measure the latency from startup till the first browser window becomes 1189 // visible. 1190 static bool is_first_browser_window = true; 1191 if (is_first_browser_window && 1192 !startup_metric_utils::WasNonBrowserUIDisplayed()) { 1193 is_first_browser_window = false; 1194 const base::Time* process_creation_time = 1195 base::CurrentProcessInfo::CreationTime(); 1196 1197 if (process_creation_time) { 1198 UMA_HISTOGRAM_LONG_TIMES( 1199 "Startup.BrowserWindowDisplay", 1200 base::Time::Now() - *process_creation_time); 1201 } 1202 } 1203#endif // defined(OS_MACOSX) || defined(OS_WIN) 1204 1205 // Nothing to do for non-tabbed windows. 1206 if (!is_type_tabbed()) 1207 return; 1208 1209 // Show any pending global error bubble. 1210 GlobalErrorService* service = 1211 GlobalErrorServiceFactory::GetForProfile(profile()); 1212 GlobalError* error = service->GetFirstGlobalErrorWithBubbleView(); 1213 if (error) 1214 error->ShowBubbleView(this); 1215} 1216 1217void Browser::ShowFirstRunBubble() { 1218 window()->GetLocationBar()->ShowFirstRunBubble(); 1219} 1220 1221void Browser::ShowDownload(content::DownloadItem* download) { 1222 if (!window()) 1223 return; 1224 1225 // If the download occurs in a new tab, and it's not a save page 1226 // download (started before initial navigation completed) close it. 1227 WebContents* source = download->GetWebContents(); 1228 if (source && source->GetController().IsInitialNavigation() && 1229 tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) { 1230 CloseContents(source); 1231 } 1232 1233 // Some (app downloads) are not supposed to appear on the shelf. 1234 if (!DownloadItemModel(download).ShouldShowInShelf()) 1235 return; 1236 1237 // GetDownloadShelf creates the download shelf if it was not yet created. 1238 DownloadShelf* shelf = window()->GetDownloadShelf(); 1239 shelf->AddDownload(download); 1240} 1241 1242/////////////////////////////////////////////////////////////////////////////// 1243// Browser, content::WebContentsDelegate implementation: 1244 1245WebContents* Browser::OpenURLFromTab(WebContents* source, 1246 const OpenURLParams& params) { 1247 chrome::NavigateParams nav_params(this, params.url, params.transition); 1248 FillNavigateParamsFromOpenURLParams(&nav_params, params); 1249 nav_params.source_contents = source; 1250 nav_params.tabstrip_add_types = TabStripModel::ADD_NONE; 1251 nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW; 1252 nav_params.user_gesture = true; 1253 chrome::Navigate(&nav_params); 1254 1255 return nav_params.target_contents; 1256} 1257 1258void Browser::NavigationStateChanged(const WebContents* source, 1259 unsigned changed_flags) { 1260 // Only update the UI when something visible has changed. 1261 if (changed_flags) 1262 ScheduleUIUpdate(source, changed_flags); 1263 1264 // We can synchronously update commands since they will only change once per 1265 // navigation, so we don't have to worry about flickering. We do, however, 1266 // need to update the command state early on load to always present usable 1267 // actions in the face of slow-to-commit pages. 1268 if (changed_flags & (content::INVALIDATE_TYPE_URL | 1269 content::INVALIDATE_TYPE_LOAD)) 1270 command_controller_->TabStateChanged(); 1271} 1272 1273void Browser::AddNewContents(WebContents* source, 1274 WebContents* new_contents, 1275 WindowOpenDisposition disposition, 1276 const gfx::Rect& initial_pos, 1277 bool user_gesture, 1278 bool* was_blocked) { 1279 chrome::AddWebContents(this, source, new_contents, disposition, initial_pos, 1280 user_gesture, was_blocked); 1281} 1282 1283void Browser::ActivateContents(WebContents* contents) { 1284 tab_strip_model_->ActivateTabAt( 1285 tab_strip_model_->GetIndexOfWebContents(contents), false); 1286 window_->Activate(); 1287} 1288 1289void Browser::DeactivateContents(WebContents* contents) { 1290 window_->Deactivate(); 1291} 1292 1293void Browser::LoadingStateChanged(WebContents* source) { 1294 window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading()); 1295 window_->UpdateTitleBar(); 1296 1297 WebContents* selected_contents = tab_strip_model_->GetActiveWebContents(); 1298 if (source == selected_contents) { 1299 bool is_loading = source->IsLoading(); 1300 command_controller_->LoadingStateChanged(is_loading, false); 1301 if (GetStatusBubble()) { 1302 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1303 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1304 } 1305 } 1306} 1307 1308void Browser::CloseContents(WebContents* source) { 1309 if (unload_controller_->CanCloseContents(source)) 1310 chrome::CloseWebContents(this, source, true); 1311} 1312 1313void Browser::MoveContents(WebContents* source, const gfx::Rect& pos) { 1314 if (!IsPopupOrPanel(source)) { 1315 NOTREACHED() << "moving invalid browser type"; 1316 return; 1317 } 1318 window_->SetBounds(pos); 1319} 1320 1321bool Browser::IsPopupOrPanel(const WebContents* source) const { 1322 return is_type_popup(); 1323} 1324 1325void Browser::UpdateTargetURL(WebContents* source, int32 page_id, 1326 const GURL& url) { 1327 if (!GetStatusBubble()) 1328 return; 1329 1330 if (source == tab_strip_model_->GetActiveWebContents()) { 1331 PrefService* prefs = profile_->GetPrefs(); 1332 GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages)); 1333 } 1334} 1335 1336void Browser::ContentsMouseEvent( 1337 WebContents* source, const gfx::Point& location, bool motion) { 1338 if (!GetStatusBubble()) 1339 return; 1340 1341 if (source == tab_strip_model_->GetActiveWebContents()) { 1342 GetStatusBubble()->MouseMoved(location, !motion); 1343 if (!motion) 1344 GetStatusBubble()->SetURL(GURL(), std::string()); 1345 } 1346} 1347 1348void Browser::ContentsZoomChange(bool zoom_in) { 1349 chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS); 1350} 1351 1352void Browser::WebContentsFocused(WebContents* contents) { 1353 window_->WebContentsFocused(contents); 1354} 1355 1356bool Browser::TakeFocus(content::WebContents* source, 1357 bool reverse) { 1358 content::NotificationService::current()->Notify( 1359 chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER, 1360 content::Source<Browser>(this), 1361 content::NotificationService::NoDetails()); 1362 return false; 1363} 1364 1365gfx::Rect Browser::GetRootWindowResizerRect() const { 1366 return window_->GetRootWindowResizerRect(); 1367} 1368 1369void Browser::BeforeUnloadFired(WebContents* web_contents, 1370 bool proceed, 1371 bool* proceed_to_fire_unload) { 1372 *proceed_to_fire_unload = 1373 unload_controller_->BeforeUnloadFired(web_contents, proceed); 1374} 1375 1376bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) { 1377 const content::NavigationEntry* entry = 1378 source->GetController().GetActiveEntry(); 1379 if (entry) { 1380 GURL url = entry->GetURL(); 1381 GURL virtual_url = entry->GetVirtualURL(); 1382 if ((url.SchemeIs(chrome::kChromeUIScheme) && 1383 url.host() == chrome::kChromeUINewTabHost) || 1384 (virtual_url.SchemeIs(chrome::kChromeUIScheme) && 1385 virtual_url.host() == chrome::kChromeUINewTabHost)) { 1386 return true; 1387 } 1388 } 1389 1390 return chrome::NavEntryIsInstantNTP(source, entry); 1391} 1392 1393void Browser::SetFocusToLocationBar(bool select_all) { 1394 // Two differences between this and FocusLocationBar(): 1395 // (1) This doesn't get recorded in user metrics, since it's called 1396 // internally. 1397 // (2) This checks whether the location bar can be focused, and if not, clears 1398 // the focus. FocusLocationBar() is only reached when the location bar is 1399 // focusable, but this may be reached at other times, e.g. while in 1400 // fullscreen mode, where we need to leave focus in a consistent state. 1401 window_->SetFocusToLocationBar(select_all); 1402} 1403 1404void Browser::RenderWidgetShowing() { 1405 window_->DisableInactiveFrame(); 1406} 1407 1408int Browser::GetExtraRenderViewHeight() const { 1409 return window_->GetExtraRenderViewHeight(); 1410} 1411 1412void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) { 1413 DCHECK(source); 1414 chrome::ViewSource(this, source); 1415} 1416 1417void Browser::ViewSourceForFrame(WebContents* source, 1418 const GURL& frame_url, 1419 const content::PageState& frame_page_state) { 1420 DCHECK(source); 1421 chrome::ViewSource(this, source, frame_url, frame_page_state); 1422} 1423 1424void Browser::ShowRepostFormWarningDialog(WebContents* source) { 1425 TabModalConfirmDialog::Create(new RepostFormWarningController(source), 1426 source); 1427} 1428 1429bool Browser::ShouldCreateWebContents( 1430 WebContents* web_contents, 1431 int route_id, 1432 WindowContainerType window_container_type, 1433 const string16& frame_name, 1434 const GURL& target_url) { 1435 if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) { 1436 // If a BackgroundContents is created, suppress the normal WebContents. 1437 return !MaybeCreateBackgroundContents( 1438 route_id, web_contents, frame_name, target_url); 1439 } 1440 1441 return true; 1442} 1443 1444void Browser::WebContentsCreated(WebContents* source_contents, 1445 int64 source_frame_id, 1446 const string16& frame_name, 1447 const GURL& target_url, 1448 WebContents* new_contents) { 1449 // Adopt the WebContents now, so all observers are in place, as the network 1450 // requests for its initial navigation will start immediately. The WebContents 1451 // will later be inserted into this browser using Browser::Navigate via 1452 // AddNewContents. 1453 BrowserTabContents::AttachTabHelpers(new_contents); 1454 1455 // Notify. 1456 RetargetingDetails details; 1457 details.source_web_contents = source_contents; 1458 details.source_frame_id = source_frame_id; 1459 details.target_url = target_url; 1460 details.target_web_contents = new_contents; 1461 details.not_yet_in_tabstrip = true; 1462 content::NotificationService::current()->Notify( 1463 chrome::NOTIFICATION_RETARGETING, 1464 content::Source<Profile>(profile_), 1465 content::Details<RetargetingDetails>(&details)); 1466} 1467 1468void Browser::ContentRestrictionsChanged(WebContents* source) { 1469 command_controller_->ContentRestrictionsChanged(); 1470} 1471 1472void Browser::RendererUnresponsive(WebContents* source) { 1473 // Ignore hangs if a tab is blocked. 1474 int index = tab_strip_model_->GetIndexOfWebContents(source); 1475 DCHECK_NE(TabStripModel::kNoTab, index); 1476 if (tab_strip_model_->IsTabBlocked(index)) 1477 return; 1478 1479 chrome::ShowHungRendererDialog(source); 1480} 1481 1482void Browser::RendererResponsive(WebContents* source) { 1483 chrome::HideHungRendererDialog(source); 1484} 1485 1486void Browser::WorkerCrashed(WebContents* source) { 1487 SimpleAlertInfoBarDelegate::Create( 1488 InfoBarService::FromWebContents(source), InfoBarDelegate::kNoIconID, 1489 l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true); 1490} 1491 1492void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) { 1493 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1494 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1495} 1496 1497void Browser::DidNavigateToPendingEntry(WebContents* web_contents) { 1498 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1499 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1500} 1501 1502content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() { 1503 return GetJavaScriptDialogManagerInstance(); 1504} 1505 1506content::ColorChooser* Browser::OpenColorChooser(WebContents* web_contents, 1507 SkColor initial_color) { 1508 return chrome::ShowColorChooser(web_contents, initial_color); 1509} 1510 1511void Browser::RunFileChooser(WebContents* web_contents, 1512 const content::FileChooserParams& params) { 1513 FileSelectHelper::RunFileChooser(web_contents, params); 1514} 1515 1516void Browser::EnumerateDirectory(WebContents* web_contents, 1517 int request_id, 1518 const base::FilePath& path) { 1519 FileSelectHelper::EnumerateDirectory(web_contents, request_id, path); 1520} 1521 1522void Browser::ToggleFullscreenModeForTab(WebContents* web_contents, 1523 bool enter_fullscreen) { 1524 fullscreen_controller_->ToggleFullscreenModeForTab(web_contents, 1525 enter_fullscreen); 1526} 1527 1528bool Browser::IsFullscreenForTabOrPending( 1529 const WebContents* web_contents) const { 1530 return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents); 1531} 1532 1533void Browser::JSOutOfMemory(WebContents* web_contents) { 1534 JSOutOfMemoryHelper(web_contents); 1535} 1536 1537void Browser::RegisterProtocolHandler(WebContents* web_contents, 1538 const std::string& protocol, 1539 const GURL& url, 1540 const string16& title, 1541 bool user_gesture) { 1542 RegisterProtocolHandlerHelper( 1543 web_contents, protocol, url, title, user_gesture, window()); 1544} 1545 1546void Browser::UpdatePreferredSize(WebContents* source, 1547 const gfx::Size& pref_size) { 1548 window_->UpdatePreferredSize(source, pref_size); 1549} 1550 1551void Browser::ResizeDueToAutoResize(WebContents* source, 1552 const gfx::Size& new_size) { 1553 window_->ResizeDueToAutoResize(source, new_size); 1554} 1555 1556void Browser::FindReply(WebContents* web_contents, 1557 int request_id, 1558 int number_of_matches, 1559 const gfx::Rect& selection_rect, 1560 int active_match_ordinal, 1561 bool final_update) { 1562 FindReplyHelper(web_contents, request_id, number_of_matches, selection_rect, 1563 active_match_ordinal, final_update); 1564} 1565 1566void Browser::RequestToLockMouse(WebContents* web_contents, 1567 bool user_gesture, 1568 bool last_unlocked_by_target) { 1569 fullscreen_controller_->RequestToLockMouse(web_contents, 1570 user_gesture, 1571 last_unlocked_by_target); 1572} 1573 1574void Browser::LostMouseLock() { 1575 fullscreen_controller_->LostMouseLock(); 1576} 1577 1578void Browser::RequestMediaAccessPermission( 1579 content::WebContents* web_contents, 1580 const content::MediaStreamRequest& request, 1581 const content::MediaResponseCallback& callback) { 1582 const extensions::Extension* extension = NULL; 1583 GURL origin(request.security_origin); 1584 if (origin.SchemeIs(extensions::kExtensionScheme)) { 1585 ExtensionService* extensions_service = 1586 extensions::ExtensionSystem::Get(profile_)->extension_service(); 1587 extension = extensions_service->extensions()->GetByID(origin.host()); 1588 DCHECK(extension); 1589 } 1590 1591 MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest( 1592 web_contents, request, callback, extension); 1593} 1594 1595bool Browser::RequestPpapiBrokerPermission( 1596 WebContents* web_contents, 1597 const GURL& url, 1598 const base::FilePath& plugin_path, 1599 const base::Callback<void(bool)>& callback) { 1600 PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback); 1601 return true; 1602} 1603 1604/////////////////////////////////////////////////////////////////////////////// 1605// Browser, CoreTabHelperDelegate implementation: 1606 1607void Browser::SwapTabContents(content::WebContents* old_contents, 1608 content::WebContents* new_contents) { 1609 int index = tab_strip_model_->GetIndexOfWebContents(old_contents); 1610 DCHECK_NE(TabStripModel::kNoTab, index); 1611 tab_strip_model_->ReplaceWebContentsAt(index, new_contents); 1612} 1613 1614bool Browser::CanReloadContents(content::WebContents* web_contents) const { 1615 return chrome::CanReload(this); 1616} 1617 1618bool Browser::CanSaveContents(content::WebContents* web_contents) const { 1619 return chrome::CanSavePage(this); 1620} 1621 1622/////////////////////////////////////////////////////////////////////////////// 1623// Browser, SearchEngineTabHelperDelegate implementation: 1624 1625void Browser::ConfirmAddSearchProvider(TemplateURL* template_url, 1626 Profile* profile) { 1627 window()->ConfirmAddSearchProvider(template_url, profile); 1628} 1629 1630/////////////////////////////////////////////////////////////////////////////// 1631// Browser, web_modal::WebContentsModalDialogManagerDelegate implementation: 1632 1633void Browser::SetWebContentsBlocked(content::WebContents* web_contents, 1634 bool blocked) { 1635 ChromeWebModalDialogManagerDelegate::SetWebContentsBlocked(web_contents, 1636 blocked); 1637 int index = tab_strip_model_->GetIndexOfWebContents(web_contents); 1638 if (index == TabStripModel::kNoTab) { 1639 NOTREACHED(); 1640 return; 1641 } 1642 tab_strip_model_->SetTabBlocked(index, blocked); 1643 if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents) 1644 web_contents->GetView()->Focus(); 1645} 1646 1647web_modal::WebContentsModalDialogHost* 1648Browser::GetWebContentsModalDialogHost() { 1649 return window_->GetWebContentsModalDialogHost(); 1650} 1651 1652/////////////////////////////////////////////////////////////////////////////// 1653// Browser, BlockedContentTabHelperDelegate implementation: 1654 1655content::WebContents* Browser::GetConstrainingWebContents( 1656 content::WebContents* source) { 1657 return source; 1658} 1659 1660/////////////////////////////////////////////////////////////////////////////// 1661// Browser, BookmarkTabHelperDelegate implementation: 1662 1663void Browser::URLStarredChanged(content::WebContents* web_contents, 1664 bool starred) { 1665 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1666 window_->SetStarredState(starred); 1667} 1668 1669/////////////////////////////////////////////////////////////////////////////// 1670// Browser, ZoomObserver implementation: 1671 1672void Browser::OnZoomChanged(content::WebContents* source, 1673 bool can_show_bubble) { 1674 if (source == tab_strip_model_->GetActiveWebContents()) { 1675 // Only show the zoom bubble for zoom changes in the active window. 1676 window_->ZoomChangedForActiveTab(can_show_bubble && window_->IsActive()); 1677 } 1678} 1679 1680/////////////////////////////////////////////////////////////////////////////// 1681// Browser, ui::SelectFileDialog::Listener implementation: 1682 1683void Browser::FileSelected(const base::FilePath& path, int index, 1684 void* params) { 1685 FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params); 1686} 1687 1688void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info, 1689 int index, 1690 void* params) { 1691 profile_->set_last_selected_directory(file_info.file_path.DirName()); 1692 1693 GURL url = net::FilePathToFileURL(file_info.local_path); 1694 1695#if defined(OS_CHROMEOS) 1696 drive::util::MaybeSetDriveURL(profile_, file_info.file_path, &url); 1697#endif 1698 1699 if (url.is_empty()) 1700 return; 1701 1702 OpenURL(OpenURLParams( 1703 url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false)); 1704} 1705 1706/////////////////////////////////////////////////////////////////////////////// 1707// Browser, content::NotificationObserver implementation: 1708 1709void Browser::Observe(int type, 1710 const content::NotificationSource& source, 1711 const content::NotificationDetails& details) { 1712 switch (type) { 1713 case chrome::NOTIFICATION_EXTENSION_UNLOADED: { 1714 if (window()->GetLocationBar()) 1715 window()->GetLocationBar()->UpdatePageActions(); 1716 1717 const extensions::UnloadedExtensionInfo* extension_info = 1718 content::Details<extensions::UnloadedExtensionInfo>(details).ptr(); 1719 1720 // Close any tabs from the unloaded extension, unless it's terminated, 1721 // in which case let the sad tabs remain. 1722 if (extension_info->reason != extension_misc::UNLOAD_REASON_TERMINATE) { 1723 const Extension* extension = extension_info->extension; 1724 // Iterate backwards as we may remove items while iterating. 1725 for (int i = tab_strip_model_->count() - 1; i >= 0; --i) { 1726 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1727 // Two cases are handled here: 1728 // - The scheme check is for when an extension page is loaded in a 1729 // tab, e.g. chrome-extension://id/page.html. 1730 // - The extension_app check is for apps, which can have non-extension 1731 // schemes, e.g. https://mail.google.com if you have the Gmail app 1732 // installed. 1733 if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) && 1734 web_contents->GetURL().host() == extension->id()) || 1735 (extensions::TabHelper::FromWebContents( 1736 web_contents)->extension_app() == extension)) { 1737 tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE); 1738 } 1739 } 1740 } 1741 break; 1742 } 1743 1744 case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: { 1745 Profile* profile = content::Source<Profile>(source).ptr(); 1746 if (profile_->IsSameProfile(profile) && window()->GetLocationBar()) 1747 window()->GetLocationBar()->InvalidatePageActions(); 1748 break; 1749 } 1750 1751 case chrome::NOTIFICATION_EXTENSION_UNINSTALLED: 1752 case chrome::NOTIFICATION_EXTENSION_LOADED: 1753 // During window creation on Windows we may end up calling into 1754 // SHAppBarMessage, which internally spawns a nested message loop. This 1755 // makes it possible for us to end up here before window creation has 1756 // completed, at which point window_ is NULL. See 94752 for details. 1757 if (window() && window()->GetLocationBar()) 1758 window()->GetLocationBar()->UpdatePageActions(); 1759 break; 1760 1761#if defined(ENABLE_THEMES) 1762 case chrome::NOTIFICATION_BROWSER_THEME_CHANGED: 1763 window()->UserChangedTheme(); 1764 break; 1765#endif 1766 1767 case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: { 1768 WebContents* web_contents = content::Source<WebContents>(source).ptr(); 1769 if (web_contents == tab_strip_model_->GetActiveWebContents()) { 1770 LocationBar* location_bar = window()->GetLocationBar(); 1771 if (location_bar) 1772 location_bar->UpdateContentSettingsIcons(); 1773 } 1774 break; 1775 } 1776 1777 default: 1778 NOTREACHED() << "Got a notification we didn't register for."; 1779 } 1780} 1781 1782void Browser::ModelChanged(const SearchModel::State& old_state, 1783 const SearchModel::State& new_state) { 1784 if (SearchModel::ShouldChangeTopBarsVisibility(old_state, new_state)) 1785 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1786} 1787 1788/////////////////////////////////////////////////////////////////////////////// 1789// Browser, Command and state updating (private): 1790 1791void Browser::OnDevToolsDisabledChanged() { 1792 if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled)) 1793 content::DevToolsManager::GetInstance()->CloseAllClientHosts(); 1794} 1795 1796/////////////////////////////////////////////////////////////////////////////// 1797// Browser, UI update coalescing and handling (private): 1798 1799void Browser::UpdateToolbar(bool should_restore_state) { 1800 window_->UpdateToolbar(tab_strip_model_->GetActiveWebContents(), 1801 should_restore_state); 1802} 1803 1804void Browser::UpdateSearchState(WebContents* contents) { 1805 if (chrome::IsInstantExtendedAPIEnabled()) 1806 search_delegate_->OnTabActivated(contents); 1807} 1808 1809void Browser::ScheduleUIUpdate(const WebContents* source, 1810 unsigned changed_flags) { 1811 if (!source) 1812 return; 1813 1814 // Do some synchronous updates. 1815 if (changed_flags & content::INVALIDATE_TYPE_URL && 1816 source == tab_strip_model_->GetActiveWebContents()) { 1817 // Only update the URL for the current tab. Note that we do not update 1818 // the navigation commands since those would have already been updated 1819 // synchronously by NavigationStateChanged. 1820 UpdateToolbar(false); 1821 changed_flags &= ~content::INVALIDATE_TYPE_URL; 1822 } 1823 if (changed_flags & content::INVALIDATE_TYPE_LOAD) { 1824 // Update the loading state synchronously. This is so the throbber will 1825 // immediately start/stop, which gives a more snappy feel. We want to do 1826 // this for any tab so they start & stop quickly. 1827 tab_strip_model_->UpdateWebContentsStateAt( 1828 tab_strip_model_->GetIndexOfWebContents(source), 1829 TabStripModelObserver::LOADING_ONLY); 1830 // The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too, 1831 // but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from 1832 // changed_flags. 1833 } 1834 1835 if (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) { 1836 // To correctly calculate whether the title changed while not loading 1837 // we need to process the update synchronously. This state only matters for 1838 // the TabStripModel, so we notify the TabStripModel now and notify others 1839 // asynchronously. 1840 tab_strip_model_->UpdateWebContentsStateAt( 1841 tab_strip_model_->GetIndexOfWebContents(source), 1842 TabStripModelObserver::TITLE_NOT_LOADING); 1843 } 1844 1845 // If the only updates were synchronously handled above, we're done. 1846 if (changed_flags == 0) 1847 return; 1848 1849 // Save the dirty bits. 1850 scheduled_updates_[source] |= changed_flags; 1851 1852 if (!chrome_updater_factory_.HasWeakPtrs()) { 1853 // No task currently scheduled, start another. 1854 base::MessageLoop::current()->PostDelayedTask( 1855 FROM_HERE, 1856 base::Bind(&Browser::ProcessPendingUIUpdates, 1857 chrome_updater_factory_.GetWeakPtr()), 1858 base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS)); 1859 } 1860} 1861 1862void Browser::ProcessPendingUIUpdates() { 1863#ifndef NDEBUG 1864 // Validate that all tabs we have pending updates for exist. This is scary 1865 // because the pending list must be kept in sync with any detached or 1866 // deleted tabs. 1867 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 1868 i != scheduled_updates_.end(); ++i) { 1869 bool found = false; 1870 for (int tab = 0; tab < tab_strip_model_->count(); tab++) { 1871 if (tab_strip_model_->GetWebContentsAt(tab) == i->first) { 1872 found = true; 1873 break; 1874 } 1875 } 1876 DCHECK(found); 1877 } 1878#endif 1879 1880 chrome_updater_factory_.InvalidateWeakPtrs(); 1881 1882 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 1883 i != scheduled_updates_.end(); ++i) { 1884 // Do not dereference |contents|, it may be out-of-date! 1885 const WebContents* contents = i->first; 1886 unsigned flags = i->second; 1887 1888 if (contents == tab_strip_model_->GetActiveWebContents()) { 1889 // Updates that only matter when the tab is selected go here. 1890 1891 if (flags & content::INVALIDATE_TYPE_PAGE_ACTIONS) { 1892 LocationBar* location_bar = window()->GetLocationBar(); 1893 if (location_bar) 1894 location_bar->UpdatePageActions(); 1895 } 1896 // Updating the URL happens synchronously in ScheduleUIUpdate. 1897 if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) { 1898 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1899 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1900 } 1901 1902 if (flags & (content::INVALIDATE_TYPE_TAB | 1903 content::INVALIDATE_TYPE_TITLE)) { 1904 window_->UpdateTitleBar(); 1905 } 1906 } 1907 1908 // Updates that don't depend upon the selected state go here. 1909 if (flags & 1910 (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { 1911 tab_strip_model_->UpdateWebContentsStateAt( 1912 tab_strip_model_->GetIndexOfWebContents(contents), 1913 TabStripModelObserver::ALL); 1914 } 1915 1916 // Update the bookmark bar. It may happen that the tab is crashed, and if 1917 // so, the bookmark bar should be hidden. 1918 if (flags & content::INVALIDATE_TYPE_TAB) 1919 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1920 1921 // We don't need to process INVALIDATE_STATE, since that's not visible. 1922 } 1923 1924 scheduled_updates_.clear(); 1925} 1926 1927void Browser::RemoveScheduledUpdatesFor(WebContents* contents) { 1928 if (!contents) 1929 return; 1930 1931 UpdateMap::iterator i = scheduled_updates_.find(contents); 1932 if (i != scheduled_updates_.end()) 1933 scheduled_updates_.erase(i); 1934} 1935 1936/////////////////////////////////////////////////////////////////////////////// 1937// Browser, Getters for UI (private): 1938 1939StatusBubble* Browser::GetStatusBubble() { 1940 // In kiosk and exclusive app mode, we want to always hide the status bubble. 1941 if (chrome::IsRunningInAppMode()) 1942 return NULL; 1943 1944 return window_ ? window_->GetStatusBubble() : NULL; 1945} 1946 1947/////////////////////////////////////////////////////////////////////////////// 1948// Browser, Session restore functions (private): 1949 1950void Browser::SyncHistoryWithTabs(int index) { 1951 SessionService* session_service = 1952 SessionServiceFactory::GetForProfileIfExisting(profile()); 1953 if (session_service) { 1954 for (int i = index; i < tab_strip_model_->count(); ++i) { 1955 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1956 if (web_contents) { 1957 SessionTabHelper* session_tab_helper = 1958 SessionTabHelper::FromWebContents(web_contents); 1959 session_service->SetTabIndexInWindow( 1960 session_id(), session_tab_helper->session_id(), i); 1961 session_service->SetPinnedState( 1962 session_id(), 1963 session_tab_helper->session_id(), 1964 tab_strip_model_->IsTabPinned(i)); 1965 } 1966 } 1967 } 1968} 1969 1970/////////////////////////////////////////////////////////////////////////////// 1971// Browser, In-progress download termination handling (private): 1972 1973bool Browser::CanCloseWithInProgressDownloads() { 1974 // If we've prompted, we need to hear from the user before we 1975 // can close. 1976 if (cancel_download_confirmation_state_ != NOT_PROMPTED) 1977 return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE; 1978 1979 int num_downloads_blocking; 1980 if (DOWNLOAD_CLOSE_OK == 1981 OkToCloseWithInProgressDownloads(&num_downloads_blocking)) 1982 return true; 1983 1984 // Closing this window will kill some downloads; prompt to make sure 1985 // that's ok. 1986 cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE; 1987 window_->ConfirmBrowserCloseWithPendingDownloads(); 1988 1989 // Return false so the browser does not close. We'll close if the user 1990 // confirms in the dialog. 1991 return false; 1992} 1993 1994/////////////////////////////////////////////////////////////////////////////// 1995// Browser, Assorted utility functions (private): 1996 1997void Browser::SetAsDelegate(WebContents* web_contents, Browser* delegate) { 1998 // WebContents... 1999 web_contents->SetDelegate(delegate); 2000 2001 // ...and all the helpers. 2002 BlockedContentTabHelper::FromWebContents(web_contents)-> 2003 set_delegate(delegate); 2004 BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2005 WebContentsModalDialogManager::FromWebContents(web_contents)-> 2006 set_delegate(delegate); 2007 CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2008 SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2009 ZoomController::FromWebContents(web_contents)->set_observer(delegate); 2010} 2011 2012void Browser::CloseFrame() { 2013 window_->Close(); 2014} 2015 2016void Browser::TabDetachedAtImpl(content::WebContents* contents, 2017 int index, 2018 DetachType type) { 2019 if (type == DETACH_TYPE_DETACH) { 2020 // Save the current location bar state, but only if the tab being detached 2021 // is the selected tab. Because saving state can conditionally revert the 2022 // location bar, saving the current tab's location bar state to a 2023 // non-selected tab can corrupt both tabs. 2024 if (contents == tab_strip_model_->GetActiveWebContents()) { 2025 LocationBar* location_bar = window()->GetLocationBar(); 2026 if (location_bar) 2027 location_bar->SaveStateToContents(contents); 2028 } 2029 2030 if (!tab_strip_model_->closing_all()) 2031 SyncHistoryWithTabs(0); 2032 } 2033 2034 SetAsDelegate(contents, NULL); 2035 RemoveScheduledUpdatesFor(contents); 2036 2037 if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) { 2038 find_bar_controller_->ChangeWebContents(NULL); 2039 } 2040 2041 // Stop observing search model changes for this tab. 2042 search_delegate_->OnTabDetached(contents); 2043 2044 for (size_t i = 0; i < interstitial_observers_.size(); i++) { 2045 if (interstitial_observers_[i]->web_contents() != contents) 2046 continue; 2047 2048 delete interstitial_observers_[i]; 2049 interstitial_observers_.erase(interstitial_observers_.begin() + i); 2050 return; 2051 } 2052} 2053 2054bool Browser::SupportsWindowFeatureImpl(WindowFeature feature, 2055 bool check_fullscreen) const { 2056 bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen(); 2057 2058 unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF; 2059 2060 if (is_type_tabbed()) 2061 features |= FEATURE_BOOKMARKBAR; 2062 2063 if (!hide_ui_for_fullscreen) { 2064 if (!is_type_tabbed()) 2065 features |= FEATURE_TITLEBAR; 2066 2067 if (is_type_tabbed()) 2068 features |= FEATURE_TABSTRIP; 2069 2070 if (is_type_tabbed()) 2071 features |= FEATURE_TOOLBAR; 2072 2073 if (!is_app()) 2074 features |= FEATURE_LOCATIONBAR; 2075 } 2076 return !!(features & feature); 2077} 2078 2079void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) { 2080 BookmarkBar::State state; 2081 // The bookmark bar is hidden in fullscreen mode, unless on the new tab page. 2082 if (browser_defaults::bookmarks_enabled && 2083 profile_->GetPrefs()->GetBoolean(prefs::kShowBookmarkBar) && 2084 !ShouldHideUIForFullscreen()) { 2085 state = BookmarkBar::SHOW; 2086 } else { 2087 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 2088 BookmarkTabHelper* bookmark_tab_helper = 2089 web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL; 2090 if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar()) 2091 state = BookmarkBar::DETACHED; 2092 else 2093 state = BookmarkBar::HIDDEN; 2094 } 2095 2096 // Bookmark bar may need to be hidden for |SEARCH_SUGGESTIONS| and 2097 // |SEARCH_RESULTS| modes as per SearchBox API or Instant overlay or if it's 2098 // detached when origin is not |NTP|. 2099 // TODO(sail): remove conditional MACOSX flag when bookmark bar is actually 2100 // hidden on mac; for now, mac keeps the bookmark bar shown but changes its 2101 // z-order to stack it below contents. 2102#if !defined(OS_MACOSX) 2103 if (search_model_->mode().is_search() && 2104 ((state == BookmarkBar::DETACHED && 2105 !search_model_->mode().is_origin_ntp()) || 2106 !search_model_->top_bars_visible())) { 2107 state = BookmarkBar::HIDDEN; 2108 } 2109#else 2110 // TODO(sail): remove this when the above block is enabled for mac. 2111 if (state == BookmarkBar::DETACHED && search_model_->mode().is_search() && 2112 !search_model_->mode().is_origin_ntp()) { 2113 state = BookmarkBar::HIDDEN; 2114 } 2115#endif // !defined(OS_MACOSX) 2116 2117 if (state == bookmark_bar_state_) 2118 return; 2119 2120 bookmark_bar_state_ = state; 2121 2122 if (!window_) 2123 return; // This is called from the constructor when window_ is NULL. 2124 2125 if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) { 2126 // Don't notify BrowserWindow on a tab switch as at the time this is invoked 2127 // BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations 2128 // end up querying state once they process the tab switch. 2129 return; 2130 } 2131 2132 bool shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE; 2133 window_->BookmarkBarStateChanged(shouldAnimate ? 2134 BookmarkBar::ANIMATE_STATE_CHANGE : 2135 BookmarkBar::DONT_ANIMATE_STATE_CHANGE); 2136} 2137 2138bool Browser::ShouldHideUIForFullscreen() const { 2139 // Windows and GTK remove the top controls in fullscreen, but Mac and Ash 2140 // keep the controls in a slide-down panel. 2141 return window_ && window_->ShouldHideUIForFullscreen(); 2142} 2143 2144bool Browser::MaybeCreateBackgroundContents(int route_id, 2145 WebContents* opener_web_contents, 2146 const string16& frame_name, 2147 const GURL& target_url) { 2148 GURL opener_url = opener_web_contents->GetURL(); 2149 ExtensionService* extensions_service = 2150 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2151 2152 if (!opener_url.is_valid() || 2153 frame_name.empty() || 2154 !extensions_service || 2155 !extensions_service->is_ready()) 2156 return false; 2157 2158 // Only hosted apps have web extents, so this ensures that only hosted apps 2159 // can create BackgroundContents. We don't have to check for background 2160 // permission as that is checked in RenderMessageFilter when the CreateWindow 2161 // message is processed. 2162 const Extension* extension = 2163 extensions_service->extensions()->GetHostedAppByURL( 2164 ExtensionURLInfo(opener_url)); 2165 if (!extension) 2166 return false; 2167 2168 // No BackgroundContents allowed if BackgroundContentsService doesn't exist. 2169 BackgroundContentsService* service = 2170 BackgroundContentsServiceFactory::GetForProfile(profile_); 2171 if (!service) 2172 return false; 2173 2174 // Ensure that we're trying to open this from the extension's process. 2175 SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance(); 2176 extensions::ProcessMap* process_map = extensions_service->process_map(); 2177 if (!opener_site_instance->GetProcess() || 2178 !process_map->Contains( 2179 extension->id(), opener_site_instance->GetProcess()->GetID())) { 2180 return false; 2181 } 2182 2183 // Only allow a single background contents per app. 2184 bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension); 2185 BackgroundContents* existing = 2186 service->GetAppBackgroundContents(ASCIIToUTF16(extension->id())); 2187 if (existing) { 2188 // For non-scriptable background contents, ignore the request altogether, 2189 // (returning true, so that a regular WebContents isn't created either). 2190 if (!allow_js_access) 2191 return true; 2192 // For scriptable background pages, if one already exists, close it (even 2193 // if it was specified in the manifest). 2194 DLOG(INFO) << "Closing existing BackgroundContents for " << opener_url; 2195 delete existing; 2196 } 2197 2198 // If script access is not allowed, create the the background contents in a 2199 // new SiteInstance, so that a separate process is used. 2200 scoped_refptr<content::SiteInstance> site_instance = 2201 allow_js_access ? 2202 opener_site_instance : 2203 content::SiteInstance::Create(opener_web_contents->GetBrowserContext()); 2204 2205 // Passed all the checks, so this should be created as a BackgroundContents. 2206 BackgroundContents* contents = 2207 service->CreateBackgroundContents(site_instance.get(), 2208 route_id, 2209 profile_, 2210 frame_name, 2211 ASCIIToUTF16(extension->id())); 2212 2213 // When a separate process is used, the original renderer cannot access the 2214 // new window later, thus we need to navigate the window now. 2215 if (contents && !allow_js_access) { 2216 contents->web_contents()->GetController().LoadURL( 2217 target_url, 2218 content::Referrer(), 2219 content::PAGE_TRANSITION_LINK, 2220 std::string()); // No extra headers. 2221 } 2222 2223 return contents != NULL; 2224} 2225