browser.cc revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace
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/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/profiles/profile.h" 70#include "chrome/browser/profiles/profile_destroyer.h" 71#include "chrome/browser/profiles/profile_manager.h" 72#include "chrome/browser/profiles/profile_metrics.h" 73#include "chrome/browser/repost_form_warning_controller.h" 74#include "chrome/browser/search/search.h" 75#include "chrome/browser/sessions/session_service.h" 76#include "chrome/browser/sessions/session_service_factory.h" 77#include "chrome/browser/sessions/session_tab_helper.h" 78#include "chrome/browser/sessions/session_types.h" 79#include "chrome/browser/sessions/tab_restore_service.h" 80#include "chrome/browser/sessions/tab_restore_service_factory.h" 81#include "chrome/browser/sync/profile_sync_service.h" 82#include "chrome/browser/sync/profile_sync_service_factory.h" 83#include "chrome/browser/sync/sync_ui_util.h" 84#include "chrome/browser/tab_contents/background_contents.h" 85#include "chrome/browser/tab_contents/retargeting_details.h" 86#include "chrome/browser/tab_contents/tab_util.h" 87#include "chrome/browser/themes/theme_service.h" 88#include "chrome/browser/themes/theme_service_factory.h" 89#include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h" 90#include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h" 91#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" 92#include "chrome/browser/ui/browser_command_controller.h" 93#include "chrome/browser/ui/browser_commands.h" 94#include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h" 95#include "chrome/browser/ui/browser_dialogs.h" 96#include "chrome/browser/ui/browser_finder.h" 97#include "chrome/browser/ui/browser_instant_controller.h" 98#include "chrome/browser/ui/browser_iterator.h" 99#include "chrome/browser/ui/browser_list.h" 100#include "chrome/browser/ui/browser_navigator.h" 101#include "chrome/browser/ui/browser_tab_contents.h" 102#include "chrome/browser/ui/browser_tab_restore_service_delegate.h" 103#include "chrome/browser/ui/browser_tab_strip_model_delegate.h" 104#include "chrome/browser/ui/browser_tabstrip.h" 105#include "chrome/browser/ui/browser_toolbar_model_delegate.h" 106#include "chrome/browser/ui/browser_ui_prefs.h" 107#include "chrome/browser/ui/browser_window.h" 108#include "chrome/browser/ui/chrome_pages.h" 109#include "chrome/browser/ui/chrome_select_file_policy.h" 110#include "chrome/browser/ui/fast_unload_controller.h" 111#include "chrome/browser/ui/find_bar/find_bar.h" 112#include "chrome/browser/ui/find_bar/find_bar_controller.h" 113#include "chrome/browser/ui/find_bar/find_tab_helper.h" 114#include "chrome/browser/ui/fullscreen/fullscreen_controller.h" 115#include "chrome/browser/ui/global_error/global_error.h" 116#include "chrome/browser/ui/global_error/global_error_service.h" 117#include "chrome/browser/ui/global_error/global_error_service_factory.h" 118#include "chrome/browser/ui/omnibox/location_bar.h" 119#include "chrome/browser/ui/search/search_delegate.h" 120#include "chrome/browser/ui/search/search_model.h" 121#include "chrome/browser/ui/search_engines/search_engine_tab_helper.h" 122#include "chrome/browser/ui/singleton_tabs.h" 123#include "chrome/browser/ui/status_bubble.h" 124#include "chrome/browser/ui/sync/browser_synced_window_delegate.h" 125#include "chrome/browser/ui/tab_contents/core_tab_helper.h" 126#include "chrome/browser/ui/tab_modal_confirm_dialog.h" 127#include "chrome/browser/ui/tabs/dock_info.h" 128#include "chrome/browser/ui/tabs/tab_menu_model.h" 129#include "chrome/browser/ui/tabs/tab_strip_model.h" 130#include "chrome/browser/ui/toolbar/toolbar_model_impl.h" 131#include "chrome/browser/ui/unload_controller.h" 132#include "chrome/browser/ui/web_applications/web_app_ui.h" 133#include "chrome/browser/ui/webui/signin/login_ui_service.h" 134#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h" 135#include "chrome/browser/ui/window_sizer/window_sizer.h" 136#include "chrome/browser/ui/zoom/zoom_controller.h" 137#include "chrome/browser/upgrade_detector.h" 138#include "chrome/browser/web_applications/web_app.h" 139#include "chrome/common/chrome_constants.h" 140#include "chrome/common/chrome_notification_types.h" 141#include "chrome/common/chrome_switches.h" 142#include "chrome/common/custom_handlers/protocol_handler.h" 143#include "chrome/common/extensions/background_info.h" 144#include "chrome/common/extensions/extension.h" 145#include "chrome/common/extensions/extension_constants.h" 146#include "chrome/common/pref_names.h" 147#include "chrome/common/profiling.h" 148#include "chrome/common/search_types.h" 149#include "chrome/common/startup_metric_utils.h" 150#include "chrome/common/url_constants.h" 151#include "components/web_modal/web_contents_modal_dialog_manager.h" 152#include "content/public/browser/devtools_manager.h" 153#include "content/public/browser/download_item.h" 154#include "content/public/browser/download_manager.h" 155#include "content/public/browser/interstitial_page.h" 156#include "content/public/browser/invalidate_type.h" 157#include "content/public/browser/navigation_controller.h" 158#include "content/public/browser/navigation_entry.h" 159#include "content/public/browser/notification_details.h" 160#include "content/public/browser/notification_service.h" 161#include "content/public/browser/plugin_service.h" 162#include "content/public/browser/render_process_host.h" 163#include "content/public/browser/render_view_host.h" 164#include "content/public/browser/site_instance.h" 165#include "content/public/browser/user_metrics.h" 166#include "content/public/browser/web_contents.h" 167#include "content/public/browser/web_contents_view.h" 168#include "content/public/common/content_restriction.h" 169#include "content/public/common/content_switches.h" 170#include "content/public/common/page_zoom.h" 171#include "content/public/common/renderer_preferences.h" 172#include "extensions/common/constants.h" 173#include "grit/chromium_strings.h" 174#include "grit/generated_resources.h" 175#include "grit/locale_settings.h" 176#include "grit/theme_resources.h" 177#include "net/base/net_util.h" 178#include "net/base/registry_controlled_domains/registry_controlled_domain.h" 179#include "net/cookies/cookie_monster.h" 180#include "net/url_request/url_request_context.h" 181#include "ui/base/l10n/l10n_util.h" 182#include "ui/base/window_open_disposition.h" 183#include "ui/gfx/point.h" 184#include "ui/shell_dialogs/selected_file_info.h" 185#include "webkit/plugins/webplugininfo.h" 186 187#if defined(OS_WIN) 188#include "base/win/metro.h" 189#include "chrome/browser/shell_integration.h" 190#include "chrome/browser/ssl/ssl_error_info.h" 191#include "chrome/browser/task_manager/task_manager.h" 192#include "chrome/browser/ui/view_ids.h" 193#include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h" 194#include "ui/base/win/shell.h" 195#include "ui/views/win/hwnd_util.h" 196#endif // OS_WIN 197 198#if defined(OS_CHROMEOS) 199#include "chrome/browser/chromeos/drive/file_system_util.h" 200#endif 201 202#if defined(USE_ASH) 203#include "ash/ash_switches.h" 204#endif 205 206using base::TimeDelta; 207using content::NativeWebKeyboardEvent; 208using content::NavigationController; 209using content::NavigationEntry; 210using content::OpenURLParams; 211using content::PluginService; 212using content::Referrer; 213using content::SiteInstance; 214using content::UserMetricsAction; 215using content::WebContents; 216using extensions::Extension; 217using ui::WebDialogDelegate; 218using web_modal::WebContentsModalDialogManager; 219 220/////////////////////////////////////////////////////////////////////////////// 221 222namespace { 223 224// The URL to be loaded to display the "Report a broken page" form. 225const char kBrokenPageUrl[] = 226 "https://www.google.com/support/chrome/bin/request.py?contact_type=" 227 "broken_website&format=inproduct&p.page_title=$1&p.page_url=$2"; 228 229// How long we wait before updating the browser chrome while loading a page. 230const int kUIUpdateCoalescingTimeMS = 200; 231 232BrowserWindow* CreateBrowserWindow(Browser* browser) { 233 return BrowserWindow::CreateBrowserWindow(browser); 234} 235 236// Is the fast tab unload experiment enabled? 237bool IsFastTabUnloadEnabled() { 238 return CommandLine::ForCurrentProcess()->HasSwitch( 239 switches::kEnableFastUnload); 240} 241 242} // namespace 243 244//////////////////////////////////////////////////////////////////////////////// 245// Browser, CreateParams: 246 247Browser::CreateParams::CreateParams(Profile* profile, 248 chrome::HostDesktopType host_desktop_type) 249 : type(TYPE_TABBED), 250 profile(profile), 251 host_desktop_type(host_desktop_type), 252 app_type(APP_TYPE_HOST), 253 initial_show_state(ui::SHOW_STATE_DEFAULT), 254 is_session_restore(false), 255 window(NULL) { 256} 257 258Browser::CreateParams::CreateParams(Type type, 259 Profile* profile, 260 chrome::HostDesktopType host_desktop_type) 261 : type(type), 262 profile(profile), 263 host_desktop_type(host_desktop_type), 264 app_type(APP_TYPE_HOST), 265 initial_show_state(ui::SHOW_STATE_DEFAULT), 266 is_session_restore(false), 267 window(NULL) { 268} 269 270// static 271Browser::CreateParams Browser::CreateParams::CreateForApp( 272 Type type, 273 const std::string& app_name, 274 const gfx::Rect& window_bounds, 275 Profile* profile, 276 chrome::HostDesktopType host_desktop_type) { 277 DCHECK(type != TYPE_TABBED); 278 DCHECK(!app_name.empty()); 279 280 CreateParams params(type, profile, host_desktop_type); 281 params.app_name = app_name; 282 params.app_type = APP_TYPE_CHILD; 283 params.initial_bounds = window_bounds; 284 285 return params; 286} 287 288// static 289Browser::CreateParams Browser::CreateParams::CreateForDevTools( 290 Profile* profile, 291 chrome::HostDesktopType host_desktop_type) { 292 CreateParams params(TYPE_POPUP, profile, host_desktop_type); 293 params.app_name = DevToolsWindow::kDevToolsApp; 294 return params; 295} 296 297//////////////////////////////////////////////////////////////////////////////// 298// Browser, InterstitialObserver: 299 300class Browser::InterstitialObserver : public content::WebContentsObserver { 301 public: 302 InterstitialObserver(Browser* browser, content::WebContents* web_contents) 303 : WebContentsObserver(web_contents), 304 browser_(browser) { 305 } 306 307 using content::WebContentsObserver::web_contents; 308 309 virtual void DidAttachInterstitialPage() OVERRIDE { 310 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 311 } 312 313 virtual void DidDetachInterstitialPage() OVERRIDE { 314 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 315 } 316 317 private: 318 Browser* browser_; 319 320 DISALLOW_COPY_AND_ASSIGN(InterstitialObserver); 321}; 322 323/////////////////////////////////////////////////////////////////////////////// 324// Browser, Constructors, Creation, Showing: 325 326Browser::Browser(const CreateParams& params) 327 : type_(params.type), 328 profile_(params.profile), 329 window_(NULL), 330 tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)), 331 tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(), 332 params.profile)), 333 app_name_(params.app_name), 334 app_type_(params.app_type), 335 chrome_updater_factory_(this), 336 cancel_download_confirmation_state_(NOT_PROMPTED), 337 override_bounds_(params.initial_bounds), 338 initial_show_state_(params.initial_show_state), 339 is_session_restore_(params.is_session_restore), 340 host_desktop_type_(params.host_desktop_type), 341 weak_factory_(this), 342 content_setting_bubble_model_delegate_( 343 new BrowserContentSettingBubbleModelDelegate(this)), 344 toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)), 345 tab_restore_service_delegate_(new BrowserTabRestoreServiceDelegate(this)), 346 synced_window_delegate_(new BrowserSyncedWindowDelegate(this)), 347 bookmark_bar_state_(BookmarkBar::HIDDEN), 348 command_controller_(new chrome::BrowserCommandController( 349 this, g_browser_process->profile_manager())), 350 window_has_shown_(false) { 351 // If this causes a crash then a window is being opened using a profile type 352 // that is disallowed by policy. The crash prevents the disabled window type 353 // from opening at all, but the path that triggered it should be fixed. 354 CHECK(IncognitoModePrefs::CanOpenBrowser(profile_)); 355 356 // TODO(jeremy): Move to initializer list once flag is removed. 357 if (IsFastTabUnloadEnabled()) 358 fast_unload_controller_.reset(new chrome::FastUnloadController(this)); 359 else 360 unload_controller_.reset(new chrome::UnloadController(this)); 361 362 if (!app_name_.empty()) 363 chrome::RegisterAppPrefs(app_name_, profile_); 364 tab_strip_model_->AddObserver(this); 365 366 toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get())); 367 search_model_.reset(new SearchModel()); 368 search_delegate_.reset( 369 new SearchDelegate(search_model_.get(), toolbar_model_.get())); 370 371 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, 372 content::Source<Profile>(profile_->GetOriginalProfile())); 373 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, 374 content::Source<Profile>(profile_->GetOriginalProfile())); 375 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED, 376 content::Source<Profile>(profile_->GetOriginalProfile())); 377 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED, 378 content::NotificationService::AllSources()); 379#if defined(ENABLE_THEMES) 380 registrar_.Add( 381 this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 382 content::Source<ThemeService>( 383 ThemeServiceFactory::GetForProfile(profile_))); 384#endif 385 registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED, 386 content::NotificationService::AllSources()); 387 388 profile_pref_registrar_.Init(profile_->GetPrefs()); 389 profile_pref_registrar_.Add( 390 prefs::kDevToolsDisabled, 391 base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this))); 392 profile_pref_registrar_.Add( 393 prefs::kShowBookmarkBar, 394 base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this), 395 BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE)); 396 397 BrowserList::AddBrowser(this); 398 399 // NOTE: These prefs all need to be explicitly destroyed in the destructor 400 // or you'll get a nasty surprise when you run the incognito tests. 401 encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector, 402 profile_->GetPrefs()); 403 404 if (is_type_tabbed()) 405 instant_controller_.reset(new BrowserInstantController(this)); 406 407 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT); 408 409 ProfileMetrics::LogProfileLaunch(profile_); 410 411 window_ = params.window ? params.window : CreateBrowserWindow(this); 412 413 // TODO(beng): move to BrowserFrameWin. 414#if defined(OS_WIN) 415 // Set the app user model id for this application to that of the application 416 // name. See http://crbug.com/7028. 417 ui::win::SetAppIdForWindow( 418 is_app() ? 419 ShellIntegration::GetAppModelIdForProfile(UTF8ToWide(app_name_), 420 profile_->GetPath()) : 421 ShellIntegration::GetChromiumModelIdForProfile(profile_->GetPath()), 422 views::HWNDForNativeWindow(window()->GetNativeWindow())); 423#endif 424 425 // Create the extension window controller before sending notifications. 426 extension_window_controller_.reset( 427 new BrowserExtensionWindowController(this)); 428 429 // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and 430 // replace uses of this with BL's notifications. 431 content::NotificationService::current()->Notify( 432 chrome::NOTIFICATION_BROWSER_WINDOW_READY, 433 content::Source<Browser>(this), 434 content::NotificationService::NoDetails()); 435 436 // TODO(beng): move to ChromeBrowserMain: 437 if (first_run::ShouldDoPersonalDataManagerFirstRun()) { 438#if defined(OS_WIN) 439 // Notify PDM that this is a first run. 440 ImportAutofillDataWin( 441 autofill::PersonalDataManagerFactory::GetForProfile(profile_)); 442#endif // defined(OS_WIN) 443 } 444 445 fullscreen_controller_.reset(new FullscreenController(this)); 446 search_model_->AddObserver(this); 447} 448 449Browser::~Browser() { 450 // The tab strip should not have any tabs at this point. 451 if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers()) 452 DCHECK(tab_strip_model_->empty()); 453 454 search_model_->RemoveObserver(this); 455 tab_strip_model_->RemoveObserver(this); 456 457 // Destroy the BrowserCommandController before removing the browser, so that 458 // it doesn't act on any notifications that are sent as a result of removing 459 // the browser. 460 command_controller_.reset(); 461 BrowserList::RemoveBrowser(this); 462 463 SessionService* session_service = 464 SessionServiceFactory::GetForProfile(profile_); 465 if (session_service) 466 session_service->WindowClosed(session_id_); 467 468 TabRestoreService* tab_restore_service = 469 TabRestoreServiceFactory::GetForProfile(profile()); 470 if (tab_restore_service) 471 tab_restore_service->BrowserClosed(tab_restore_service_delegate()); 472 473#if !defined(OS_MACOSX) 474 if (!chrome::GetTotalBrowserCountForProfile(profile_)) { 475 // We're the last browser window with this profile. We need to nuke the 476 // TabRestoreService, which will start the shutdown of the 477 // NavigationControllers and allow for proper shutdown. If we don't do this 478 // chrome won't shutdown cleanly, and may end up crashing when some 479 // thread tries to use the IO thread (or another thread) that is no longer 480 // valid. 481 // This isn't a valid assumption for Mac OS, as it stays running after 482 // the last browser has closed. The Mac equivalent is in its app 483 // controller. 484 TabRestoreServiceFactory::ResetForProfile(profile_); 485 } 486#endif 487 488 profile_pref_registrar_.RemoveAll(); 489 490 encoding_auto_detect_.Destroy(); 491 492 // Destroy BrowserExtensionWindowController before the incognito profile 493 // is destroyed to make sure the chrome.windows.onRemoved event is sent. 494 extension_window_controller_.reset(); 495 496 // Destroy BrowserInstantController before the incongnito profile is destroyed 497 // because the InstantController destructor depends on this profile. 498 instant_controller_.reset(); 499 500 if (profile_->IsOffTheRecord() && 501 !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) { 502 // An incognito profile is no longer needed, this indirectly frees 503 // its cache and cookies once it gets destroyed at the appropriate time. 504 ProfileDestroyer::DestroyProfileWhenAppropriate(profile_); 505 } 506 507 // There may be pending file dialogs, we need to tell them that we've gone 508 // away so they don't try and call back to us. 509 if (select_file_dialog_.get()) 510 select_file_dialog_->ListenerDestroyed(); 511} 512 513/////////////////////////////////////////////////////////////////////////////// 514// Getters & Setters 515 516FindBarController* Browser::GetFindBarController() { 517 if (!find_bar_controller_.get()) { 518 FindBar* find_bar = window_->CreateFindBar(); 519 find_bar_controller_.reset(new FindBarController(find_bar)); 520 find_bar->SetFindBarController(find_bar_controller_.get()); 521 find_bar_controller_->ChangeWebContents( 522 tab_strip_model_->GetActiveWebContents()); 523 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 524 } 525 return find_bar_controller_.get(); 526} 527 528bool Browser::HasFindBarController() const { 529 return find_bar_controller_.get() != NULL; 530} 531 532bool Browser::is_app() const { 533 return !app_name_.empty(); 534} 535 536bool Browser::is_devtools() const { 537 return app_name_ == DevToolsWindow::kDevToolsApp; 538} 539 540/////////////////////////////////////////////////////////////////////////////// 541// Browser, State Storage and Retrieval for UI: 542 543gfx::Image Browser::GetCurrentPageIcon() const { 544 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 545 // |web_contents| can be NULL since GetCurrentPageIcon() is called by the 546 // window during the window's creation (before tabs have been added). 547 FaviconTabHelper* favicon_tab_helper = 548 web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL; 549 return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image(); 550} 551 552string16 Browser::GetWindowTitleForCurrentTab() const { 553 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 554 string16 title; 555 556 // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the 557 // window during the window's creation (before tabs have been added). 558 if (contents) { 559 title = contents->GetTitle(); 560 FormatTitleForDisplay(&title); 561 } 562 if (title.empty()) 563 title = CoreTabHelper::GetDefaultTitle(); 564 565#if defined(OS_MACOSX) 566 // On Mac, we don't want to suffix the page title with 567 // the application name. 568 return title; 569#elif defined(USE_ASH) 570 // On Ash, we don't want to suffix the page title with the application name, 571 // but on Windows, where USE_ASH can also be true, we still want the prefix 572 // on desktop. 573 if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) 574 return title; 575#endif 576 // Don't append the app name to window titles on app frames and app popups 577 return is_app() ? 578 title : 579 l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title); 580} 581 582// static 583void Browser::FormatTitleForDisplay(string16* title) { 584 size_t current_index = 0; 585 size_t match_index; 586 while ((match_index = title->find(L'\n', current_index)) != string16::npos) { 587 title->replace(match_index, 1, string16()); 588 current_index = match_index; 589 } 590} 591 592/////////////////////////////////////////////////////////////////////////////// 593// Browser, OnBeforeUnload handling: 594 595bool Browser::ShouldCloseWindow() { 596 if (!CanCloseWithInProgressDownloads()) 597 return false; 598 599 if (IsFastTabUnloadEnabled()) 600 return fast_unload_controller_->ShouldCloseWindow(); 601 return unload_controller_->ShouldCloseWindow(); 602} 603 604bool Browser::HasCompletedUnloadProcessing() const { 605 DCHECK(IsFastTabUnloadEnabled()); 606 return fast_unload_controller_->HasCompletedUnloadProcessing(); 607} 608 609bool Browser::IsAttemptingToCloseBrowser() const { 610 if (IsFastTabUnloadEnabled()) 611 return fast_unload_controller_->is_attempting_to_close_browser(); 612 return unload_controller_->is_attempting_to_close_browser(); 613} 614 615void Browser::OnWindowClosing() { 616 if (!ShouldCloseWindow()) 617 return; 618 619 // Application should shutdown on last window close if the user is explicitly 620 // trying to quit, or if there is nothing keeping the browser alive (such as 621 // AppController on the Mac, or BackgroundContentsService for background 622 // pages). 623 bool should_quit_if_last_browser = 624 browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive(); 625 626 if (should_quit_if_last_browser && 627 BrowserList::GetInstance(host_desktop_type_)->size() == 1) { 628 browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE); 629 } 630 631 // Don't use GetForProfileIfExisting here, we want to force creation of the 632 // session service so that user can restore what was open. 633 SessionService* session_service = 634 SessionServiceFactory::GetForProfile(profile()); 635 if (session_service) 636 session_service->WindowClosing(session_id()); 637 638 TabRestoreService* tab_restore_service = 639 TabRestoreServiceFactory::GetForProfile(profile()); 640 641#if defined(USE_AURA) 642 if (tab_restore_service && is_app()) 643 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 644#endif 645 646 if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count()) 647 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 648 649 // TODO(sky): convert session/tab restore to use notification. 650 content::NotificationService::current()->Notify( 651 chrome::NOTIFICATION_BROWSER_CLOSING, 652 content::Source<Browser>(this), 653 content::NotificationService::NoDetails()); 654 655 if (!IsFastTabUnloadEnabled()) 656 tab_strip_model_->CloseAllTabs(); 657} 658 659//////////////////////////////////////////////////////////////////////////////// 660// In-progress download termination handling: 661 662void Browser::InProgressDownloadResponse(bool cancel_downloads) { 663 if (cancel_downloads) { 664 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 665 chrome::CloseWindow(this); 666 return; 667 } 668 669 // Sets the confirmation state to NOT_PROMPTED so that if the user tries to 670 // close again we'll show the warning again. 671 cancel_download_confirmation_state_ = NOT_PROMPTED; 672 673 // Show the download page so the user can figure-out what downloads are still 674 // in-progress. 675 chrome::ShowDownloads(this); 676} 677 678Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads( 679 int* num_downloads_blocking) const { 680 DCHECK(num_downloads_blocking); 681 *num_downloads_blocking = 0; 682 683 if (IsAttemptingToCloseBrowser()) 684 return DOWNLOAD_CLOSE_OK; 685 686 // If we're not running a full browser process with a profile manager 687 // (testing), it's ok to close the browser. 688 if (!g_browser_process->profile_manager()) 689 return DOWNLOAD_CLOSE_OK; 690 691 int total_download_count = DownloadService::DownloadCountAllProfiles(); 692 if (total_download_count == 0) 693 return DOWNLOAD_CLOSE_OK; // No downloads; can definitely close. 694 695 // Figure out how many windows are open total, and associated with this 696 // profile, that are relevant for the ok-to-close decision. 697 int profile_window_count = 0; 698 int total_window_count = 0; 699 for (chrome::BrowserIterator it; !it.done(); it.Next()) { 700 // Don't count this browser window or any other in the process of closing. 701 Browser* const browser = *it; 702 // Window closing may be delayed, and windows that are in the process of 703 // closing don't count against our totals. 704 if (browser == this || browser->IsAttemptingToCloseBrowser()) 705 continue; 706 707 if (it->profile() == profile()) 708 profile_window_count++; 709 total_window_count++; 710 } 711 712 // If there aren't any other windows, we're at browser shutdown, 713 // which would cancel all current downloads. 714 if (total_window_count == 0) { 715 *num_downloads_blocking = total_download_count; 716 return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN; 717 } 718 719 // If there aren't any other windows on our profile, and we're an incognito 720 // profile, and there are downloads associated with that profile, 721 // those downloads would be cancelled by our window (-> profile) close. 722 DownloadService* download_service = 723 DownloadServiceFactory::GetForProfile(profile()); 724 if (profile_window_count == 0 && download_service->DownloadCount() > 0 && 725 profile()->IsOffTheRecord()) { 726 *num_downloads_blocking = download_service->DownloadCount(); 727 return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE; 728 } 729 730 // Those are the only conditions under which we will block shutdown. 731 return DOWNLOAD_CLOSE_OK; 732} 733 734//////////////////////////////////////////////////////////////////////////////// 735// Browser, Tab adding/showing functions: 736 737void Browser::WindowFullscreenStateChanged() { 738 fullscreen_controller_->WindowFullscreenStateChanged(); 739 command_controller_->FullscreenStateChanged(); 740 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN); 741} 742 743void Browser::VisibleSSLStateChanged(content::WebContents* web_contents) { 744 // When the current tab's SSL state changes, we need to update the URL 745 // bar to reflect the new state. 746 DCHECK(web_contents); 747 if (tab_strip_model_->GetActiveWebContents() == web_contents) 748 UpdateToolbar(false); 749} 750 751/////////////////////////////////////////////////////////////////////////////// 752// Browser, Assorted browser commands: 753 754void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) { 755 fullscreen_controller_->ToggleFullscreenModeWithExtension(extension_url); 756} 757 758bool Browser::SupportsWindowFeature(WindowFeature feature) const { 759 return SupportsWindowFeatureImpl(feature, true); 760} 761 762bool Browser::CanSupportWindowFeature(WindowFeature feature) const { 763 return SupportsWindowFeatureImpl(feature, false); 764} 765 766void Browser::ToggleEncodingAutoDetect() { 767 content::RecordAction(UserMetricsAction("AutoDetectChange")); 768 encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue()); 769 // If "auto detect" is turned on, then any current override encoding 770 // is cleared. This also implicitly performs a reload. 771 // OTOH, if "auto detect" is turned off, we don't change the currently 772 // active encoding. 773 if (encoding_auto_detect_.GetValue()) { 774 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 775 if (contents) 776 contents->ResetOverrideEncoding(); 777 } 778} 779 780void Browser::OverrideEncoding(int encoding_id) { 781 content::RecordAction(UserMetricsAction("OverrideEncoding")); 782 const std::string selected_encoding = 783 CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id); 784 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 785 if (!selected_encoding.empty() && contents) 786 contents->SetOverrideEncoding(selected_encoding); 787 // Update the list of recently selected encodings. 788 std::string new_selected_encoding_list; 789 if (CharacterEncoding::UpdateRecentlySelectedEncoding( 790 profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding), 791 encoding_id, 792 &new_selected_encoding_list)) { 793 profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding, 794 new_selected_encoding_list); 795 } 796} 797 798void Browser::OpenFile() { 799 content::RecordAction(UserMetricsAction("OpenFile")); 800 select_file_dialog_ = ui::SelectFileDialog::Create( 801 this, new ChromeSelectFilePolicy( 802 tab_strip_model_->GetActiveWebContents())); 803 804 const base::FilePath directory = profile_->last_selected_directory(); 805 806 // TODO(beng): figure out how to juggle this. 807 gfx::NativeWindow parent_window = window_->GetNativeWindow(); 808 ui::SelectFileDialog::FileTypeInfo file_types; 809 file_types.support_drive = true; 810 select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE, 811 string16(), 812 directory, 813 &file_types, 814 0, 815 base::FilePath::StringType(), 816 parent_window, 817 NULL); 818} 819 820void Browser::UpdateDownloadShelfVisibility(bool visible) { 821 if (GetStatusBubble()) 822 GetStatusBubble()->UpdateDownloadShelfVisibility(visible); 823} 824 825/////////////////////////////////////////////////////////////////////////////// 826 827// static 828bool Browser::RunUnloadEventsHelper(WebContents* contents) { 829 // If the WebContents is not connected yet, then there's no unload 830 // handler we can fire even if the WebContents has an unload listener. 831 // One case where we hit this is in a tab that has an infinite loop 832 // before load. 833 if (contents->NeedToFireBeforeUnload()) { 834 // If the page has unload listeners, then we tell the renderer to fire 835 // them. Once they have fired, we'll get a message back saying whether 836 // to proceed closing the page or not, which sends us back to this method 837 // with the NeedToFireBeforeUnload bit cleared. 838 contents->GetRenderViewHost()->FirePageBeforeUnload(false); 839 return true; 840 } 841 return false; 842} 843 844// static 845void Browser::JSOutOfMemoryHelper(WebContents* web_contents) { 846 InfoBarService* infobar_service = 847 InfoBarService::FromWebContents(web_contents); 848 if (!infobar_service) 849 return; 850 851 SimpleAlertInfoBarDelegate::Create( 852 infobar_service, InfoBarDelegate::kNoIconID, 853 l10n_util::GetStringUTF16(IDS_JS_OUT_OF_MEMORY_PROMPT), true); 854} 855 856// static 857void Browser::RegisterProtocolHandlerHelper(WebContents* web_contents, 858 const std::string& protocol, 859 const GURL& url, 860 const string16& title, 861 bool user_gesture, 862 BrowserWindow* window) { 863 Profile* profile = 864 Profile::FromBrowserContext(web_contents->GetBrowserContext()); 865 if (profile->IsOffTheRecord()) 866 return; 867 868 ProtocolHandler handler = 869 ProtocolHandler::CreateProtocolHandler(protocol, url, title); 870 871 ProtocolHandlerRegistry* registry = 872 ProtocolHandlerRegistryFactory::GetForProfile(profile); 873 if (registry->SilentlyHandleRegisterHandlerRequest(handler)) 874 return; 875 876 TabSpecificContentSettings* tab_content_settings = 877 TabSpecificContentSettings::FromWebContents(web_contents); 878 if (!user_gesture && window) { 879 tab_content_settings->set_pending_protocol_handler(handler); 880 tab_content_settings->set_previous_protocol_handler( 881 registry->GetHandlerFor(handler.protocol())); 882 window->GetLocationBar()->UpdateContentSettingsIcons(); 883 return; 884 } 885 886 // Make sure content-setting icon is turned off in case the page does 887 // ungestured and gestured RPH calls. 888 if (window) { 889 tab_content_settings->ClearPendingProtocolHandler(); 890 window->GetLocationBar()->UpdateContentSettingsIcons(); 891 } 892 893 RegisterProtocolHandlerInfoBarDelegate::Create( 894 InfoBarService::FromWebContents(web_contents), registry, handler); 895} 896 897// static 898void Browser::FindReplyHelper(WebContents* web_contents, 899 int request_id, 900 int number_of_matches, 901 const gfx::Rect& selection_rect, 902 int active_match_ordinal, 903 bool final_update) { 904 FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); 905 if (!find_tab_helper) 906 return; 907 908 find_tab_helper->HandleFindReply(request_id, 909 number_of_matches, 910 selection_rect, 911 active_match_ordinal, 912 final_update); 913} 914 915void Browser::UpdateUIForNavigationInTab(WebContents* contents, 916 content::PageTransition transition, 917 bool user_initiated) { 918 tab_strip_model_->TabNavigating(contents, transition); 919 920 bool contents_is_selected = 921 contents == tab_strip_model_->GetActiveWebContents(); 922 if (user_initiated && contents_is_selected && window()->GetLocationBar()) { 923 // Forcibly reset the location bar if the url is going to change in the 924 // current tab, since otherwise it won't discard any ongoing user edits, 925 // since it doesn't realize this is a user-initiated action. 926 window()->GetLocationBar()->Revert(); 927 } 928 929 if (GetStatusBubble()) 930 GetStatusBubble()->Hide(); 931 932 // Update the location bar. This is synchronous. We specifically don't 933 // update the load state since the load hasn't started yet and updating it 934 // will put it out of sync with the actual state like whether we're 935 // displaying a favicon, which controls the throbber. If we updated it here, 936 // the throbber will show the default favicon for a split second when 937 // navigating away from the new tab page. 938 ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL); 939 940 if (contents_is_selected) 941 contents->GetView()->SetInitialFocus(); 942} 943 944/////////////////////////////////////////////////////////////////////////////// 945// Browser, PageNavigator implementation: 946 947WebContents* Browser::OpenURL(const OpenURLParams& params) { 948 return OpenURLFromTab(NULL, params); 949} 950 951/////////////////////////////////////////////////////////////////////////////// 952// Browser, TabStripModelObserver implementation: 953 954void Browser::TabInsertedAt(WebContents* contents, 955 int index, 956 bool foreground) { 957 SetAsDelegate(contents, this); 958 SessionTabHelper* session_tab_helper = 959 SessionTabHelper::FromWebContents(contents); 960 session_tab_helper->SetWindowID(session_id()); 961 962 content::NotificationService::current()->Notify( 963 chrome::NOTIFICATION_TAB_PARENTED, 964 content::Source<content::WebContents>(contents), 965 content::NotificationService::NoDetails()); 966 967 SyncHistoryWithTabs(index); 968 969 // Make sure the loading state is updated correctly, otherwise the throbber 970 // won't start if the page is loading. 971 LoadingStateChanged(contents); 972 973 interstitial_observers_.push_back(new InterstitialObserver(this, contents)); 974 975 SessionService* session_service = 976 SessionServiceFactory::GetForProfile(profile_); 977 if (session_service) { 978 session_service->TabInserted(contents); 979 int new_active_index = tab_strip_model_->active_index(); 980 if (index < new_active_index) 981 session_service->SetSelectedTabInWindow(session_id(), 982 new_active_index); 983 } 984} 985 986void Browser::TabClosingAt(TabStripModel* tab_strip_model, 987 WebContents* contents, 988 int index) { 989 fullscreen_controller_->OnTabClosing(contents); 990 SessionService* session_service = 991 SessionServiceFactory::GetForProfile(profile_); 992 if (session_service) 993 session_service->TabClosing(contents); 994 content::NotificationService::current()->Notify( 995 chrome::NOTIFICATION_TAB_CLOSING, 996 content::Source<NavigationController>(&contents->GetController()), 997 content::NotificationService::NoDetails()); 998 999 // Sever the WebContents' connection back to us. 1000 SetAsDelegate(contents, NULL); 1001} 1002 1003void Browser::TabDetachedAt(WebContents* contents, int index) { 1004 // TabDetachedAt is called before TabStripModel has updated the 1005 // active index. 1006 int old_active_index = tab_strip_model_->active_index(); 1007 if (index < old_active_index && !tab_strip_model_->closing_all()) { 1008 SessionService* session_service = 1009 SessionServiceFactory::GetForProfileIfExisting(profile_); 1010 if (session_service) 1011 session_service->SetSelectedTabInWindow(session_id(), 1012 old_active_index - 1); 1013 } 1014 TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH); 1015} 1016 1017void Browser::TabDeactivated(WebContents* contents) { 1018 fullscreen_controller_->OnTabDeactivated(contents); 1019 search_delegate_->OnTabDeactivated(contents); 1020 1021 // Save what the user's currently typing, so it can be restored when we 1022 // switch back to this tab. 1023 window_->GetLocationBar()->SaveStateToContents(contents); 1024 1025 if (instant_controller_) 1026 instant_controller_->TabDeactivated(contents); 1027} 1028 1029void Browser::ActiveTabChanged(WebContents* old_contents, 1030 WebContents* new_contents, 1031 int index, 1032 int reason) { 1033 content::RecordAction(UserMetricsAction("ActiveTabChanged")); 1034 1035 // Discarded tabs always get reloaded. 1036 if (tab_strip_model_->IsTabDiscarded(index)) { 1037 LOG(WARNING) << "Reloading discarded tab at " << index; 1038 static int reload_count = 0; 1039 UMA_HISTOGRAM_CUSTOM_COUNTS( 1040 "Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50); 1041 chrome::Reload(this, CURRENT_TAB); 1042 } 1043 1044 // If we have any update pending, do it now. 1045 if (chrome_updater_factory_.HasWeakPtrs() && old_contents) 1046 ProcessPendingUIUpdates(); 1047 1048 // Propagate the profile to the location bar. 1049 UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0); 1050 1051 // Propagate tab state to toolbar, tab-strip, etc. 1052 UpdateSearchState(new_contents); 1053 1054 // Update reload/stop state. 1055 command_controller_->LoadingStateChanged(new_contents->IsLoading(), true); 1056 1057 // Update commands to reflect current state. 1058 command_controller_->TabStateChanged(); 1059 1060 // Reset the status bubble. 1061 StatusBubble* status_bubble = GetStatusBubble(); 1062 if (status_bubble) { 1063 status_bubble->Hide(); 1064 1065 // Show the loading state (if any). 1066 status_bubble->SetStatus(CoreTabHelper::FromWebContents( 1067 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1068 } 1069 1070 if (HasFindBarController()) { 1071 find_bar_controller_->ChangeWebContents(new_contents); 1072 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 1073 } 1074 1075 // Update sessions. Don't force creation of sessions. If sessions doesn't 1076 // exist, the change will be picked up by sessions when created. 1077 SessionService* session_service = 1078 SessionServiceFactory::GetForProfileIfExisting(profile_); 1079 if (session_service && !tab_strip_model_->closing_all()) { 1080 session_service->SetSelectedTabInWindow(session_id(), 1081 tab_strip_model_->active_index()); 1082 } 1083 1084 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH); 1085 1086 // This needs to be called after UpdateSearchState(). 1087 if (instant_controller_) 1088 instant_controller_->ActiveTabChanged(); 1089} 1090 1091void Browser::TabMoved(WebContents* contents, 1092 int from_index, 1093 int to_index) { 1094 DCHECK(from_index >= 0 && to_index >= 0); 1095 // Notify the history service. 1096 SyncHistoryWithTabs(std::min(from_index, to_index)); 1097} 1098 1099void Browser::TabReplacedAt(TabStripModel* tab_strip_model, 1100 WebContents* old_contents, 1101 WebContents* new_contents, 1102 int index) { 1103 TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE); 1104 fullscreen_controller_->OnTabClosing(old_contents); 1105 SessionService* session_service = 1106 SessionServiceFactory::GetForProfile(profile_); 1107 if (session_service) 1108 session_service->TabClosing(old_contents); 1109 TabInsertedAt(new_contents, 1110 index, 1111 (index == tab_strip_model_->active_index())); 1112 1113 int entry_count = new_contents->GetController().GetEntryCount(); 1114 if (entry_count > 0) { 1115 // Send out notification so that observers are updated appropriately. 1116 new_contents->GetController().NotifyEntryChanged( 1117 new_contents->GetController().GetEntryAtIndex(entry_count - 1), 1118 entry_count - 1); 1119 } 1120 1121 if (session_service) { 1122 // The new_contents may end up with a different navigation stack. Force 1123 // the session service to update itself. 1124 session_service->TabRestored(new_contents, 1125 tab_strip_model_->IsTabPinned(index)); 1126 } 1127} 1128 1129void Browser::TabPinnedStateChanged(WebContents* contents, int index) { 1130 SessionService* session_service = 1131 SessionServiceFactory::GetForProfileIfExisting(profile()); 1132 if (session_service) { 1133 SessionTabHelper* session_tab_helper = 1134 SessionTabHelper::FromWebContents(contents); 1135 session_service->SetPinnedState(session_id(), 1136 session_tab_helper->session_id(), 1137 tab_strip_model_->IsTabPinned(index)); 1138 } 1139} 1140 1141void Browser::TabStripEmpty() { 1142 // Close the frame after we return to the message loop (not immediately, 1143 // otherwise it will destroy this object before the stack has a chance to 1144 // cleanly unwind.) 1145 // Note: This will be called several times if TabStripEmpty is called several 1146 // times. This is because it does not close the window if tabs are 1147 // still present. 1148 base::MessageLoop::current()->PostTask( 1149 FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr())); 1150 1151 // Instant may have visible WebContents that need to be detached before the 1152 // window system closes. 1153 instant_controller_.reset(); 1154} 1155 1156bool Browser::CanOverscrollContent() const { 1157#if defined(USE_AURA) 1158 bool overscroll_enabled = CommandLine::ForCurrentProcess()-> 1159 GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) != "0"; 1160 if (!overscroll_enabled) 1161 return false; 1162 if (is_app() || is_devtools() || !is_type_tabbed()) 1163 return false; 1164 1165 // The detached bookmark bar has appearance of floating above the 1166 // web-contents. This does not play nicely with overscroll navigation 1167 // gestures. So disable overscroll navigation when the bookmark bar is in the 1168 // detached state. 1169 if (bookmark_bar_state_ == BookmarkBar::DETACHED) 1170 return false; 1171 return true; 1172#else 1173 return false; 1174#endif 1175} 1176 1177bool Browser::PreHandleKeyboardEvent(content::WebContents* source, 1178 const NativeWebKeyboardEvent& event, 1179 bool* is_keyboard_shortcut) { 1180 // Escape exits tabbed fullscreen mode. 1181 // TODO(koz): Write a test for this http://crbug.com/100441. 1182 if (event.windowsKeyCode == 27 && 1183 fullscreen_controller_->HandleUserPressedEscape()) { 1184 return true; 1185 } 1186 return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut); 1187} 1188 1189void Browser::HandleKeyboardEvent(content::WebContents* source, 1190 const NativeWebKeyboardEvent& event) { 1191 window()->HandleKeyboardEvent(event); 1192} 1193 1194bool Browser::TabsNeedBeforeUnloadFired() { 1195 if (IsFastTabUnloadEnabled()) 1196 return fast_unload_controller_->TabsNeedBeforeUnloadFired(); 1197 return unload_controller_->TabsNeedBeforeUnloadFired(); 1198} 1199 1200bool Browser::IsMouseLocked() const { 1201 return fullscreen_controller_->IsMouseLocked(); 1202} 1203 1204void Browser::OnWindowDidShow() { 1205 if (window_has_shown_) 1206 return; 1207 window_has_shown_ = true; 1208 1209// CurrentProcessInfo::CreationTime() is currently only implemented on Mac and 1210// Windows. 1211#if defined(OS_MACOSX) || defined(OS_WIN) 1212 // Measure the latency from startup till the first browser window becomes 1213 // visible. 1214 static bool is_first_browser_window = true; 1215 if (is_first_browser_window && 1216 !startup_metric_utils::WasNonBrowserUIDisplayed()) { 1217 is_first_browser_window = false; 1218 const base::Time* process_creation_time = 1219 base::CurrentProcessInfo::CreationTime(); 1220 1221 if (process_creation_time) { 1222 UMA_HISTOGRAM_LONG_TIMES( 1223 "Startup.BrowserWindowDisplay", 1224 base::Time::Now() - *process_creation_time); 1225 } 1226 } 1227#endif // defined(OS_MACOSX) || defined(OS_WIN) 1228 1229 // Nothing to do for non-tabbed windows. 1230 if (!is_type_tabbed()) 1231 return; 1232 1233 // Show any pending global error bubble. 1234 GlobalErrorService* service = 1235 GlobalErrorServiceFactory::GetForProfile(profile()); 1236 GlobalError* error = service->GetFirstGlobalErrorWithBubbleView(); 1237 if (error) 1238 error->ShowBubbleView(this); 1239} 1240 1241void Browser::ShowFirstRunBubble() { 1242 window()->GetLocationBar()->ShowFirstRunBubble(); 1243} 1244 1245void Browser::ShowDownload(content::DownloadItem* download) { 1246 if (!window()) 1247 return; 1248 1249 // If the download occurs in a new tab, and it's not a save page 1250 // download (started before initial navigation completed) close it. 1251 WebContents* source = download->GetWebContents(); 1252 if (source && source->GetController().IsInitialNavigation() && 1253 tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) { 1254 CloseContents(source); 1255 } 1256 1257 // Some (app downloads) are not supposed to appear on the shelf. 1258 if (!DownloadItemModel(download).ShouldShowInShelf()) 1259 return; 1260 1261 // GetDownloadShelf creates the download shelf if it was not yet created. 1262 DownloadShelf* shelf = window()->GetDownloadShelf(); 1263 shelf->AddDownload(download); 1264} 1265 1266/////////////////////////////////////////////////////////////////////////////// 1267// Browser, content::WebContentsDelegate implementation: 1268 1269WebContents* Browser::OpenURLFromTab(WebContents* source, 1270 const OpenURLParams& params) { 1271 chrome::NavigateParams nav_params(this, params.url, params.transition); 1272 FillNavigateParamsFromOpenURLParams(&nav_params, params); 1273 nav_params.source_contents = source; 1274 nav_params.tabstrip_add_types = TabStripModel::ADD_NONE; 1275 nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW; 1276 nav_params.user_gesture = true; 1277 chrome::Navigate(&nav_params); 1278 1279 return nav_params.target_contents; 1280} 1281 1282void Browser::NavigationStateChanged(const WebContents* source, 1283 unsigned changed_flags) { 1284 // Only update the UI when something visible has changed. 1285 if (changed_flags) 1286 ScheduleUIUpdate(source, changed_flags); 1287 1288 // We can synchronously update commands since they will only change once per 1289 // navigation, so we don't have to worry about flickering. We do, however, 1290 // need to update the command state early on load to always present usable 1291 // actions in the face of slow-to-commit pages. 1292 if (changed_flags & (content::INVALIDATE_TYPE_URL | 1293 content::INVALIDATE_TYPE_LOAD)) 1294 command_controller_->TabStateChanged(); 1295} 1296 1297void Browser::AddNewContents(WebContents* source, 1298 WebContents* new_contents, 1299 WindowOpenDisposition disposition, 1300 const gfx::Rect& initial_pos, 1301 bool user_gesture, 1302 bool* was_blocked) { 1303 chrome::AddWebContents(this, source, new_contents, disposition, initial_pos, 1304 user_gesture, was_blocked); 1305} 1306 1307void Browser::ActivateContents(WebContents* contents) { 1308 tab_strip_model_->ActivateTabAt( 1309 tab_strip_model_->GetIndexOfWebContents(contents), false); 1310 window_->Activate(); 1311} 1312 1313void Browser::DeactivateContents(WebContents* contents) { 1314 window_->Deactivate(); 1315} 1316 1317void Browser::LoadingStateChanged(WebContents* source) { 1318 window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading()); 1319 window_->UpdateTitleBar(); 1320 1321 WebContents* selected_contents = tab_strip_model_->GetActiveWebContents(); 1322 if (source == selected_contents) { 1323 bool is_loading = source->IsLoading(); 1324 command_controller_->LoadingStateChanged(is_loading, false); 1325 if (GetStatusBubble()) { 1326 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1327 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1328 } 1329 } 1330} 1331 1332void Browser::CloseContents(WebContents* source) { 1333 bool can_close_contents; 1334 if (IsFastTabUnloadEnabled()) 1335 can_close_contents = fast_unload_controller_->CanCloseContents(source); 1336 else 1337 can_close_contents = unload_controller_->CanCloseContents(source); 1338 1339 if (can_close_contents) 1340 chrome::CloseWebContents(this, source, true); 1341} 1342 1343void Browser::MoveContents(WebContents* source, const gfx::Rect& pos) { 1344 if (!IsPopupOrPanel(source)) { 1345 NOTREACHED() << "moving invalid browser type"; 1346 return; 1347 } 1348 window_->SetBounds(pos); 1349} 1350 1351bool Browser::IsPopupOrPanel(const WebContents* source) const { 1352 return is_type_popup(); 1353} 1354 1355void Browser::UpdateTargetURL(WebContents* source, int32 page_id, 1356 const GURL& url) { 1357 if (!GetStatusBubble()) 1358 return; 1359 1360 if (source == tab_strip_model_->GetActiveWebContents()) { 1361 PrefService* prefs = profile_->GetPrefs(); 1362 GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages)); 1363 } 1364} 1365 1366void Browser::ContentsMouseEvent( 1367 WebContents* source, const gfx::Point& location, bool motion) { 1368 if (!GetStatusBubble()) 1369 return; 1370 1371 if (source == tab_strip_model_->GetActiveWebContents()) { 1372 GetStatusBubble()->MouseMoved(location, !motion); 1373 if (!motion) 1374 GetStatusBubble()->SetURL(GURL(), std::string()); 1375 } 1376} 1377 1378void Browser::ContentsZoomChange(bool zoom_in) { 1379 chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS); 1380} 1381 1382void Browser::WebContentsFocused(WebContents* contents) { 1383 window_->WebContentsFocused(contents); 1384} 1385 1386bool Browser::TakeFocus(content::WebContents* source, 1387 bool reverse) { 1388 content::NotificationService::current()->Notify( 1389 chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER, 1390 content::Source<Browser>(this), 1391 content::NotificationService::NoDetails()); 1392 return false; 1393} 1394 1395gfx::Rect Browser::GetRootWindowResizerRect() const { 1396 return window_->GetRootWindowResizerRect(); 1397} 1398 1399void Browser::BeforeUnloadFired(WebContents* web_contents, 1400 bool proceed, 1401 bool* proceed_to_fire_unload) { 1402 if (IsFastTabUnloadEnabled()) { 1403 *proceed_to_fire_unload = 1404 fast_unload_controller_->BeforeUnloadFired(web_contents, proceed); 1405 } else { 1406 *proceed_to_fire_unload = 1407 unload_controller_->BeforeUnloadFired(web_contents, proceed); 1408 } 1409} 1410 1411bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) { 1412 const content::NavigationEntry* entry = 1413 source->GetController().GetActiveEntry(); 1414 if (entry) { 1415 GURL url = entry->GetURL(); 1416 GURL virtual_url = entry->GetVirtualURL(); 1417 if ((url.SchemeIs(chrome::kChromeUIScheme) && 1418 url.host() == chrome::kChromeUINewTabHost) || 1419 (virtual_url.SchemeIs(chrome::kChromeUIScheme) && 1420 virtual_url.host() == chrome::kChromeUINewTabHost)) { 1421 return true; 1422 } 1423 } 1424 1425 return chrome::NavEntryIsInstantNTP(source, entry); 1426} 1427 1428void Browser::SetFocusToLocationBar(bool select_all) { 1429 // Two differences between this and FocusLocationBar(): 1430 // (1) This doesn't get recorded in user metrics, since it's called 1431 // internally. 1432 // (2) This checks whether the location bar can be focused, and if not, clears 1433 // the focus. FocusLocationBar() is only reached when the location bar is 1434 // focusable, but this may be reached at other times, e.g. while in 1435 // fullscreen mode, where we need to leave focus in a consistent state. 1436 window_->SetFocusToLocationBar(select_all); 1437} 1438 1439void Browser::RenderWidgetShowing() { 1440 window_->DisableInactiveFrame(); 1441} 1442 1443int Browser::GetExtraRenderViewHeight() const { 1444 return window_->GetExtraRenderViewHeight(); 1445} 1446 1447void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) { 1448 DCHECK(source); 1449 chrome::ViewSource(this, source); 1450} 1451 1452void Browser::ViewSourceForFrame(WebContents* source, 1453 const GURL& frame_url, 1454 const content::PageState& frame_page_state) { 1455 DCHECK(source); 1456 chrome::ViewSource(this, source, frame_url, frame_page_state); 1457} 1458 1459void Browser::ShowRepostFormWarningDialog(WebContents* source) { 1460 TabModalConfirmDialog::Create(new RepostFormWarningController(source), 1461 source); 1462} 1463 1464bool Browser::ShouldCreateWebContents( 1465 WebContents* web_contents, 1466 int route_id, 1467 WindowContainerType window_container_type, 1468 const string16& frame_name, 1469 const GURL& target_url) { 1470 if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) { 1471 // If a BackgroundContents is created, suppress the normal WebContents. 1472 return !MaybeCreateBackgroundContents( 1473 route_id, web_contents, frame_name, target_url); 1474 } 1475 1476 return true; 1477} 1478 1479void Browser::WebContentsCreated(WebContents* source_contents, 1480 int64 source_frame_id, 1481 const string16& frame_name, 1482 const GURL& target_url, 1483 WebContents* new_contents) { 1484 // Adopt the WebContents now, so all observers are in place, as the network 1485 // requests for its initial navigation will start immediately. The WebContents 1486 // will later be inserted into this browser using Browser::Navigate via 1487 // AddNewContents. 1488 BrowserTabContents::AttachTabHelpers(new_contents); 1489 1490 // Notify. 1491 RetargetingDetails details; 1492 details.source_web_contents = source_contents; 1493 details.source_frame_id = source_frame_id; 1494 details.target_url = target_url; 1495 details.target_web_contents = new_contents; 1496 details.not_yet_in_tabstrip = true; 1497 content::NotificationService::current()->Notify( 1498 chrome::NOTIFICATION_RETARGETING, 1499 content::Source<Profile>(profile_), 1500 content::Details<RetargetingDetails>(&details)); 1501} 1502 1503void Browser::ContentRestrictionsChanged(WebContents* source) { 1504 command_controller_->ContentRestrictionsChanged(); 1505} 1506 1507void Browser::RendererUnresponsive(WebContents* source) { 1508 // Ignore hangs if a tab is blocked. 1509 int index = tab_strip_model_->GetIndexOfWebContents(source); 1510 DCHECK_NE(TabStripModel::kNoTab, index); 1511 if (tab_strip_model_->IsTabBlocked(index)) 1512 return; 1513 1514 chrome::ShowHungRendererDialog(source); 1515} 1516 1517void Browser::RendererResponsive(WebContents* source) { 1518 chrome::HideHungRendererDialog(source); 1519} 1520 1521void Browser::WorkerCrashed(WebContents* source) { 1522 SimpleAlertInfoBarDelegate::Create( 1523 InfoBarService::FromWebContents(source), InfoBarDelegate::kNoIconID, 1524 l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true); 1525} 1526 1527void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) { 1528 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1529 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1530} 1531 1532void Browser::DidNavigateToPendingEntry(WebContents* web_contents) { 1533 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1534 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1535} 1536 1537content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() { 1538 return GetJavaScriptDialogManagerInstance(); 1539} 1540 1541content::ColorChooser* Browser::OpenColorChooser(WebContents* web_contents, 1542 SkColor initial_color) { 1543 return chrome::ShowColorChooser(web_contents, initial_color); 1544} 1545 1546void Browser::RunFileChooser(WebContents* web_contents, 1547 const content::FileChooserParams& params) { 1548 FileSelectHelper::RunFileChooser(web_contents, params); 1549} 1550 1551void Browser::EnumerateDirectory(WebContents* web_contents, 1552 int request_id, 1553 const base::FilePath& path) { 1554 FileSelectHelper::EnumerateDirectory(web_contents, request_id, path); 1555} 1556 1557void Browser::ToggleFullscreenModeForTab(WebContents* web_contents, 1558 bool enter_fullscreen) { 1559 fullscreen_controller_->ToggleFullscreenModeForTab(web_contents, 1560 enter_fullscreen); 1561} 1562 1563bool Browser::IsFullscreenForTabOrPending( 1564 const WebContents* web_contents) const { 1565 return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents); 1566} 1567 1568void Browser::JSOutOfMemory(WebContents* web_contents) { 1569 JSOutOfMemoryHelper(web_contents); 1570} 1571 1572void Browser::RegisterProtocolHandler(WebContents* web_contents, 1573 const std::string& protocol, 1574 const GURL& url, 1575 const string16& title, 1576 bool user_gesture) { 1577 RegisterProtocolHandlerHelper( 1578 web_contents, protocol, url, title, user_gesture, window()); 1579} 1580 1581void Browser::UpdatePreferredSize(WebContents* source, 1582 const gfx::Size& pref_size) { 1583 window_->UpdatePreferredSize(source, pref_size); 1584} 1585 1586void Browser::ResizeDueToAutoResize(WebContents* source, 1587 const gfx::Size& new_size) { 1588 window_->ResizeDueToAutoResize(source, new_size); 1589} 1590 1591void Browser::FindReply(WebContents* web_contents, 1592 int request_id, 1593 int number_of_matches, 1594 const gfx::Rect& selection_rect, 1595 int active_match_ordinal, 1596 bool final_update) { 1597 FindReplyHelper(web_contents, request_id, number_of_matches, selection_rect, 1598 active_match_ordinal, final_update); 1599} 1600 1601void Browser::RequestToLockMouse(WebContents* web_contents, 1602 bool user_gesture, 1603 bool last_unlocked_by_target) { 1604 fullscreen_controller_->RequestToLockMouse(web_contents, 1605 user_gesture, 1606 last_unlocked_by_target); 1607} 1608 1609void Browser::LostMouseLock() { 1610 fullscreen_controller_->LostMouseLock(); 1611} 1612 1613void Browser::RequestMediaAccessPermission( 1614 content::WebContents* web_contents, 1615 const content::MediaStreamRequest& request, 1616 const content::MediaResponseCallback& callback) { 1617 const extensions::Extension* extension = NULL; 1618 GURL origin(request.security_origin); 1619 if (origin.SchemeIs(extensions::kExtensionScheme)) { 1620 ExtensionService* extensions_service = 1621 extensions::ExtensionSystem::Get(profile_)->extension_service(); 1622 extension = extensions_service->extensions()->GetByID(origin.host()); 1623 DCHECK(extension); 1624 } 1625 1626 MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest( 1627 web_contents, request, callback, extension); 1628} 1629 1630bool Browser::RequestPpapiBrokerPermission( 1631 WebContents* web_contents, 1632 const GURL& url, 1633 const base::FilePath& plugin_path, 1634 const base::Callback<void(bool)>& callback) { 1635 PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback); 1636 return true; 1637} 1638 1639/////////////////////////////////////////////////////////////////////////////// 1640// Browser, CoreTabHelperDelegate implementation: 1641 1642void Browser::SwapTabContents(content::WebContents* old_contents, 1643 content::WebContents* new_contents) { 1644 int index = tab_strip_model_->GetIndexOfWebContents(old_contents); 1645 DCHECK_NE(TabStripModel::kNoTab, index); 1646 tab_strip_model_->ReplaceWebContentsAt(index, new_contents); 1647} 1648 1649bool Browser::CanReloadContents(content::WebContents* web_contents) const { 1650 return chrome::CanReload(this); 1651} 1652 1653bool Browser::CanSaveContents(content::WebContents* web_contents) const { 1654 return chrome::CanSavePage(this); 1655} 1656 1657/////////////////////////////////////////////////////////////////////////////// 1658// Browser, SearchEngineTabHelperDelegate implementation: 1659 1660void Browser::ConfirmAddSearchProvider(TemplateURL* template_url, 1661 Profile* profile) { 1662 window()->ConfirmAddSearchProvider(template_url, profile); 1663} 1664 1665/////////////////////////////////////////////////////////////////////////////// 1666// Browser, web_modal::WebContentsModalDialogManagerDelegate implementation: 1667 1668void Browser::SetWebContentsBlocked(content::WebContents* web_contents, 1669 bool blocked) { 1670 int index = tab_strip_model_->GetIndexOfWebContents(web_contents); 1671 if (index == TabStripModel::kNoTab) { 1672 NOTREACHED(); 1673 return; 1674 } 1675 tab_strip_model_->SetTabBlocked(index, blocked); 1676 if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents) 1677 web_contents->GetView()->Focus(); 1678} 1679 1680web_modal::WebContentsModalDialogHost* 1681Browser::GetWebContentsModalDialogHost() { 1682 return window_->GetWebContentsModalDialogHost(); 1683} 1684 1685/////////////////////////////////////////////////////////////////////////////// 1686// Browser, BlockedContentTabHelperDelegate implementation: 1687 1688content::WebContents* Browser::GetConstrainingWebContents( 1689 content::WebContents* source) { 1690 return source; 1691} 1692 1693/////////////////////////////////////////////////////////////////////////////// 1694// Browser, BookmarkTabHelperDelegate implementation: 1695 1696void Browser::URLStarredChanged(content::WebContents* web_contents, 1697 bool starred) { 1698 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1699 window_->SetStarredState(starred); 1700} 1701 1702/////////////////////////////////////////////////////////////////////////////// 1703// Browser, ZoomObserver implementation: 1704 1705void Browser::OnZoomChanged(content::WebContents* source, 1706 bool can_show_bubble) { 1707 if (source == tab_strip_model_->GetActiveWebContents()) { 1708 // Only show the zoom bubble for zoom changes in the active window. 1709 window_->ZoomChangedForActiveTab(can_show_bubble && window_->IsActive()); 1710 } 1711} 1712 1713/////////////////////////////////////////////////////////////////////////////// 1714// Browser, ui::SelectFileDialog::Listener implementation: 1715 1716void Browser::FileSelected(const base::FilePath& path, int index, 1717 void* params) { 1718 FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params); 1719} 1720 1721void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info, 1722 int index, 1723 void* params) { 1724 profile_->set_last_selected_directory(file_info.file_path.DirName()); 1725 1726 GURL url = net::FilePathToFileURL(file_info.local_path); 1727 1728#if defined(OS_CHROMEOS) 1729 drive::util::MaybeSetDriveURL(profile_, file_info.file_path, &url); 1730#endif 1731 1732 if (url.is_empty()) 1733 return; 1734 1735 OpenURL(OpenURLParams( 1736 url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false)); 1737} 1738 1739/////////////////////////////////////////////////////////////////////////////// 1740// Browser, content::NotificationObserver implementation: 1741 1742void Browser::Observe(int type, 1743 const content::NotificationSource& source, 1744 const content::NotificationDetails& details) { 1745 switch (type) { 1746 case chrome::NOTIFICATION_EXTENSION_UNLOADED: { 1747 if (window()->GetLocationBar()) 1748 window()->GetLocationBar()->UpdatePageActions(); 1749 1750 const extensions::UnloadedExtensionInfo* extension_info = 1751 content::Details<extensions::UnloadedExtensionInfo>(details).ptr(); 1752 1753 // Close any tabs from the unloaded extension, unless it's terminated, 1754 // in which case let the sad tabs remain. 1755 if (extension_info->reason != extension_misc::UNLOAD_REASON_TERMINATE) { 1756 const Extension* extension = extension_info->extension; 1757 // Iterate backwards as we may remove items while iterating. 1758 for (int i = tab_strip_model_->count() - 1; i >= 0; --i) { 1759 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1760 // Two cases are handled here: 1761 // - The scheme check is for when an extension page is loaded in a 1762 // tab, e.g. chrome-extension://id/page.html. 1763 // - The extension_app check is for apps, which can have non-extension 1764 // schemes, e.g. https://mail.google.com if you have the Gmail app 1765 // installed. 1766 if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) && 1767 web_contents->GetURL().host() == extension->id()) || 1768 (extensions::TabHelper::FromWebContents( 1769 web_contents)->extension_app() == extension)) { 1770 tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE); 1771 } 1772 } 1773 } 1774 break; 1775 } 1776 1777 case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: { 1778 Profile* profile = content::Source<Profile>(source).ptr(); 1779 if (profile_->IsSameProfile(profile) && window()->GetLocationBar()) 1780 window()->GetLocationBar()->InvalidatePageActions(); 1781 break; 1782 } 1783 1784 case chrome::NOTIFICATION_EXTENSION_UNINSTALLED: 1785 case chrome::NOTIFICATION_EXTENSION_LOADED: 1786 // During window creation on Windows we may end up calling into 1787 // SHAppBarMessage, which internally spawns a nested message loop. This 1788 // makes it possible for us to end up here before window creation has 1789 // completed, at which point window_ is NULL. See 94752 for details. 1790 if (window() && window()->GetLocationBar()) 1791 window()->GetLocationBar()->UpdatePageActions(); 1792 break; 1793 1794#if defined(ENABLE_THEMES) 1795 case chrome::NOTIFICATION_BROWSER_THEME_CHANGED: 1796 window()->UserChangedTheme(); 1797 break; 1798#endif 1799 1800 case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: { 1801 WebContents* web_contents = content::Source<WebContents>(source).ptr(); 1802 if (web_contents == tab_strip_model_->GetActiveWebContents()) { 1803 LocationBar* location_bar = window()->GetLocationBar(); 1804 if (location_bar) 1805 location_bar->UpdateContentSettingsIcons(); 1806 } 1807 break; 1808 } 1809 1810 default: 1811 NOTREACHED() << "Got a notification we didn't register for."; 1812 } 1813} 1814 1815void Browser::ModelChanged(const SearchModel::State& old_state, 1816 const SearchModel::State& new_state) { 1817 if (SearchModel::ShouldChangeTopBarsVisibility(old_state, new_state)) 1818 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1819} 1820 1821/////////////////////////////////////////////////////////////////////////////// 1822// Browser, Command and state updating (private): 1823 1824void Browser::OnDevToolsDisabledChanged() { 1825 if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled)) 1826 content::DevToolsManager::GetInstance()->CloseAllClientHosts(); 1827} 1828 1829/////////////////////////////////////////////////////////////////////////////// 1830// Browser, UI update coalescing and handling (private): 1831 1832void Browser::UpdateToolbar(bool should_restore_state) { 1833 window_->UpdateToolbar(tab_strip_model_->GetActiveWebContents(), 1834 should_restore_state); 1835} 1836 1837void Browser::UpdateSearchState(WebContents* contents) { 1838 if (chrome::IsInstantExtendedAPIEnabled()) 1839 search_delegate_->OnTabActivated(contents); 1840} 1841 1842void Browser::ScheduleUIUpdate(const WebContents* source, 1843 unsigned changed_flags) { 1844 if (!source) 1845 return; 1846 1847 // Do some synchronous updates. 1848 if (changed_flags & content::INVALIDATE_TYPE_URL && 1849 source == tab_strip_model_->GetActiveWebContents()) { 1850 // Only update the URL for the current tab. Note that we do not update 1851 // the navigation commands since those would have already been updated 1852 // synchronously by NavigationStateChanged. 1853 UpdateToolbar(false); 1854 changed_flags &= ~content::INVALIDATE_TYPE_URL; 1855 } 1856 if (changed_flags & content::INVALIDATE_TYPE_LOAD) { 1857 // Update the loading state synchronously. This is so the throbber will 1858 // immediately start/stop, which gives a more snappy feel. We want to do 1859 // this for any tab so they start & stop quickly. 1860 tab_strip_model_->UpdateWebContentsStateAt( 1861 tab_strip_model_->GetIndexOfWebContents(source), 1862 TabStripModelObserver::LOADING_ONLY); 1863 // The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too, 1864 // but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from 1865 // changed_flags. 1866 } 1867 1868 if (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) { 1869 // To correctly calculate whether the title changed while not loading 1870 // we need to process the update synchronously. This state only matters for 1871 // the TabStripModel, so we notify the TabStripModel now and notify others 1872 // asynchronously. 1873 tab_strip_model_->UpdateWebContentsStateAt( 1874 tab_strip_model_->GetIndexOfWebContents(source), 1875 TabStripModelObserver::TITLE_NOT_LOADING); 1876 } 1877 1878 // If the only updates were synchronously handled above, we're done. 1879 if (changed_flags == 0) 1880 return; 1881 1882 // Save the dirty bits. 1883 scheduled_updates_[source] |= changed_flags; 1884 1885 if (!chrome_updater_factory_.HasWeakPtrs()) { 1886 // No task currently scheduled, start another. 1887 base::MessageLoop::current()->PostDelayedTask( 1888 FROM_HERE, 1889 base::Bind(&Browser::ProcessPendingUIUpdates, 1890 chrome_updater_factory_.GetWeakPtr()), 1891 base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS)); 1892 } 1893} 1894 1895void Browser::ProcessPendingUIUpdates() { 1896#ifndef NDEBUG 1897 // Validate that all tabs we have pending updates for exist. This is scary 1898 // because the pending list must be kept in sync with any detached or 1899 // deleted tabs. 1900 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 1901 i != scheduled_updates_.end(); ++i) { 1902 bool found = false; 1903 for (int tab = 0; tab < tab_strip_model_->count(); tab++) { 1904 if (tab_strip_model_->GetWebContentsAt(tab) == i->first) { 1905 found = true; 1906 break; 1907 } 1908 } 1909 DCHECK(found); 1910 } 1911#endif 1912 1913 chrome_updater_factory_.InvalidateWeakPtrs(); 1914 1915 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 1916 i != scheduled_updates_.end(); ++i) { 1917 // Do not dereference |contents|, it may be out-of-date! 1918 const WebContents* contents = i->first; 1919 unsigned flags = i->second; 1920 1921 if (contents == tab_strip_model_->GetActiveWebContents()) { 1922 // Updates that only matter when the tab is selected go here. 1923 1924 if (flags & content::INVALIDATE_TYPE_PAGE_ACTIONS) { 1925 LocationBar* location_bar = window()->GetLocationBar(); 1926 if (location_bar) 1927 location_bar->UpdatePageActions(); 1928 } 1929 // Updating the URL happens synchronously in ScheduleUIUpdate. 1930 if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) { 1931 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1932 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1933 } 1934 1935 if (flags & (content::INVALIDATE_TYPE_TAB | 1936 content::INVALIDATE_TYPE_TITLE)) { 1937 window_->UpdateTitleBar(); 1938 } 1939 } 1940 1941 // Updates that don't depend upon the selected state go here. 1942 if (flags & 1943 (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { 1944 tab_strip_model_->UpdateWebContentsStateAt( 1945 tab_strip_model_->GetIndexOfWebContents(contents), 1946 TabStripModelObserver::ALL); 1947 } 1948 1949 // Update the bookmark bar. It may happen that the tab is crashed, and if 1950 // so, the bookmark bar should be hidden. 1951 if (flags & content::INVALIDATE_TYPE_TAB) 1952 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1953 1954 // We don't need to process INVALIDATE_STATE, since that's not visible. 1955 } 1956 1957 scheduled_updates_.clear(); 1958} 1959 1960void Browser::RemoveScheduledUpdatesFor(WebContents* contents) { 1961 if (!contents) 1962 return; 1963 1964 UpdateMap::iterator i = scheduled_updates_.find(contents); 1965 if (i != scheduled_updates_.end()) 1966 scheduled_updates_.erase(i); 1967} 1968 1969/////////////////////////////////////////////////////////////////////////////// 1970// Browser, Getters for UI (private): 1971 1972StatusBubble* Browser::GetStatusBubble() { 1973 // In kiosk and exclusive app mode, we want to always hide the status bubble. 1974 if (chrome::IsRunningInAppMode()) 1975 return NULL; 1976 1977 return window_ ? window_->GetStatusBubble() : NULL; 1978} 1979 1980/////////////////////////////////////////////////////////////////////////////// 1981// Browser, Session restore functions (private): 1982 1983void Browser::SyncHistoryWithTabs(int index) { 1984 SessionService* session_service = 1985 SessionServiceFactory::GetForProfileIfExisting(profile()); 1986 if (session_service) { 1987 for (int i = index; i < tab_strip_model_->count(); ++i) { 1988 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1989 if (web_contents) { 1990 SessionTabHelper* session_tab_helper = 1991 SessionTabHelper::FromWebContents(web_contents); 1992 session_service->SetTabIndexInWindow( 1993 session_id(), session_tab_helper->session_id(), i); 1994 session_service->SetPinnedState( 1995 session_id(), 1996 session_tab_helper->session_id(), 1997 tab_strip_model_->IsTabPinned(i)); 1998 } 1999 } 2000 } 2001} 2002 2003/////////////////////////////////////////////////////////////////////////////// 2004// Browser, In-progress download termination handling (private): 2005 2006bool Browser::CanCloseWithInProgressDownloads() { 2007 // If we've prompted, we need to hear from the user before we 2008 // can close. 2009 if (cancel_download_confirmation_state_ != NOT_PROMPTED) 2010 return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE; 2011 2012 int num_downloads_blocking; 2013 if (DOWNLOAD_CLOSE_OK == 2014 OkToCloseWithInProgressDownloads(&num_downloads_blocking)) 2015 return true; 2016 2017 // Closing this window will kill some downloads; prompt to make sure 2018 // that's ok. 2019 cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE; 2020 window_->ConfirmBrowserCloseWithPendingDownloads(); 2021 2022 // Return false so the browser does not close. We'll close if the user 2023 // confirms in the dialog. 2024 return false; 2025} 2026 2027/////////////////////////////////////////////////////////////////////////////// 2028// Browser, Assorted utility functions (private): 2029 2030void Browser::SetAsDelegate(WebContents* web_contents, Browser* delegate) { 2031 // WebContents... 2032 web_contents->SetDelegate(delegate); 2033 2034 // ...and all the helpers. 2035 BlockedContentTabHelper::FromWebContents(web_contents)-> 2036 set_delegate(delegate); 2037 BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2038 WebContentsModalDialogManager::FromWebContents(web_contents)-> 2039 set_delegate(delegate); 2040 CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2041 SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2042 ZoomController::FromWebContents(web_contents)->set_observer(delegate); 2043} 2044 2045void Browser::CloseFrame() { 2046 window_->Close(); 2047} 2048 2049void Browser::TabDetachedAtImpl(content::WebContents* contents, 2050 int index, 2051 DetachType type) { 2052 if (type == DETACH_TYPE_DETACH) { 2053 // Save the current location bar state, but only if the tab being detached 2054 // is the selected tab. Because saving state can conditionally revert the 2055 // location bar, saving the current tab's location bar state to a 2056 // non-selected tab can corrupt both tabs. 2057 if (contents == tab_strip_model_->GetActiveWebContents()) { 2058 LocationBar* location_bar = window()->GetLocationBar(); 2059 if (location_bar) 2060 location_bar->SaveStateToContents(contents); 2061 } 2062 2063 if (!tab_strip_model_->closing_all()) 2064 SyncHistoryWithTabs(0); 2065 } 2066 2067 SetAsDelegate(contents, NULL); 2068 RemoveScheduledUpdatesFor(contents); 2069 2070 if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) { 2071 find_bar_controller_->ChangeWebContents(NULL); 2072 } 2073 2074 // Stop observing search model changes for this tab. 2075 search_delegate_->OnTabDetached(contents); 2076 2077 for (size_t i = 0; i < interstitial_observers_.size(); i++) { 2078 if (interstitial_observers_[i]->web_contents() != contents) 2079 continue; 2080 2081 delete interstitial_observers_[i]; 2082 interstitial_observers_.erase(interstitial_observers_.begin() + i); 2083 return; 2084 } 2085} 2086 2087bool Browser::SupportsWindowFeatureImpl(WindowFeature feature, 2088 bool check_fullscreen) const { 2089 bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen(); 2090 2091 unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF; 2092 2093 if (is_type_tabbed()) 2094 features |= FEATURE_BOOKMARKBAR; 2095 2096 if (!hide_ui_for_fullscreen) { 2097 if (!is_type_tabbed()) 2098 features |= FEATURE_TITLEBAR; 2099 2100 if (is_type_tabbed()) 2101 features |= FEATURE_TABSTRIP; 2102 2103 if (is_type_tabbed()) 2104 features |= FEATURE_TOOLBAR; 2105 2106 if (!is_app()) 2107 features |= FEATURE_LOCATIONBAR; 2108 } 2109 return !!(features & feature); 2110} 2111 2112void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) { 2113 BookmarkBar::State state; 2114 // The bookmark bar is hidden in fullscreen mode, unless on the new tab page. 2115 if (browser_defaults::bookmarks_enabled && 2116 profile_->GetPrefs()->GetBoolean(prefs::kShowBookmarkBar) && 2117 !ShouldHideUIForFullscreen()) { 2118 state = BookmarkBar::SHOW; 2119 } else { 2120 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 2121 BookmarkTabHelper* bookmark_tab_helper = 2122 web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL; 2123 if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar()) 2124 state = BookmarkBar::DETACHED; 2125 else 2126 state = BookmarkBar::HIDDEN; 2127 } 2128 2129 // Bookmark bar may need to be hidden for |SEARCH_SUGGESTIONS| and 2130 // |SEARCH_RESULTS| modes as per SearchBox API or Instant overlay or if it's 2131 // detached when origin is not |NTP|. 2132 // TODO(sail): remove conditional MACOSX flag when bookmark bar is actually 2133 // hidden on mac; for now, mac keeps the bookmark bar shown but changes its 2134 // z-order to stack it below contents. 2135#if !defined(OS_MACOSX) 2136 if (search_model_->mode().is_search() && 2137 ((state == BookmarkBar::DETACHED && 2138 !search_model_->mode().is_origin_ntp()) || 2139 !search_model_->top_bars_visible())) { 2140 state = BookmarkBar::HIDDEN; 2141 } 2142#else 2143 // TODO(sail): remove this when the above block is enabled for mac. 2144 if (state == BookmarkBar::DETACHED && search_model_->mode().is_search() && 2145 !search_model_->mode().is_origin_ntp()) { 2146 state = BookmarkBar::HIDDEN; 2147 } 2148#endif // !defined(OS_MACOSX) 2149 2150 if (state == bookmark_bar_state_) 2151 return; 2152 2153 bookmark_bar_state_ = state; 2154 2155 if (!window_) 2156 return; // This is called from the constructor when window_ is NULL. 2157 2158 if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) { 2159 // Don't notify BrowserWindow on a tab switch as at the time this is invoked 2160 // BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations 2161 // end up querying state once they process the tab switch. 2162 return; 2163 } 2164 2165 bool shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE; 2166 window_->BookmarkBarStateChanged(shouldAnimate ? 2167 BookmarkBar::ANIMATE_STATE_CHANGE : 2168 BookmarkBar::DONT_ANIMATE_STATE_CHANGE); 2169} 2170 2171bool Browser::ShouldHideUIForFullscreen() const { 2172 // Windows and GTK remove the top controls in fullscreen, but Mac and Ash 2173 // keep the controls in a slide-down panel. 2174 return window_ && window_->ShouldHideUIForFullscreen(); 2175} 2176 2177bool Browser::MaybeCreateBackgroundContents(int route_id, 2178 WebContents* opener_web_contents, 2179 const string16& frame_name, 2180 const GURL& target_url) { 2181 GURL opener_url = opener_web_contents->GetURL(); 2182 ExtensionService* extensions_service = 2183 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2184 2185 if (!opener_url.is_valid() || 2186 frame_name.empty() || 2187 !extensions_service || 2188 !extensions_service->is_ready()) 2189 return false; 2190 2191 // Only hosted apps have web extents, so this ensures that only hosted apps 2192 // can create BackgroundContents. We don't have to check for background 2193 // permission as that is checked in RenderMessageFilter when the CreateWindow 2194 // message is processed. 2195 const Extension* extension = 2196 extensions_service->extensions()->GetHostedAppByURL( 2197 ExtensionURLInfo(opener_url)); 2198 if (!extension) 2199 return false; 2200 2201 // No BackgroundContents allowed if BackgroundContentsService doesn't exist. 2202 BackgroundContentsService* service = 2203 BackgroundContentsServiceFactory::GetForProfile(profile_); 2204 if (!service) 2205 return false; 2206 2207 // Ensure that we're trying to open this from the extension's process. 2208 SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance(); 2209 extensions::ProcessMap* process_map = extensions_service->process_map(); 2210 if (!opener_site_instance->GetProcess() || 2211 !process_map->Contains( 2212 extension->id(), opener_site_instance->GetProcess()->GetID())) { 2213 return false; 2214 } 2215 2216 // Only allow a single background contents per app. 2217 bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension); 2218 BackgroundContents* existing = 2219 service->GetAppBackgroundContents(ASCIIToUTF16(extension->id())); 2220 if (existing) { 2221 // For non-scriptable background contents, ignore the request altogether, 2222 // (returning true, so that a regular WebContents isn't created either). 2223 if (!allow_js_access) 2224 return true; 2225 // For scriptable background pages, if one already exists, close it (even 2226 // if it was specified in the manifest). 2227 DLOG(INFO) << "Closing existing BackgroundContents for " << opener_url; 2228 delete existing; 2229 } 2230 2231 // If script access is not allowed, create the the background contents in a 2232 // new SiteInstance, so that a separate process is used. 2233 scoped_refptr<content::SiteInstance> site_instance = 2234 allow_js_access ? 2235 opener_site_instance : 2236 content::SiteInstance::Create(opener_web_contents->GetBrowserContext()); 2237 2238 // Passed all the checks, so this should be created as a BackgroundContents. 2239 BackgroundContents* contents = 2240 service->CreateBackgroundContents(site_instance.get(), 2241 route_id, 2242 profile_, 2243 frame_name, 2244 ASCIIToUTF16(extension->id())); 2245 2246 // When a separate process is used, the original renderer cannot access the 2247 // new window later, thus we need to navigate the window now. 2248 if (contents && !allow_js_access) { 2249 contents->web_contents()->GetController().LoadURL( 2250 target_url, 2251 content::Referrer(), 2252 content::PAGE_TRANSITION_LINK, 2253 std::string()); // No extra headers. 2254 } 2255 2256 return contents != NULL; 2257} 2258