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/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/browser_process.h" 36 #include "chrome/browser/browser_shutdown.h" 37 #include "chrome/browser/character_encoding.h" 38 #include "chrome/browser/chrome_notification_types.h" 39 #include "chrome/browser/chrome_page_zoom.h" 40 #include "chrome/browser/content_settings/host_content_settings_map.h" 41 #include "chrome/browser/content_settings/tab_specific_content_settings.h" 42 #include "chrome/browser/custom_handlers/protocol_handler_registry.h" 43 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h" 44 #include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h" 45 #include "chrome/browser/custom_handlers/register_protocol_handler_permission_request.h" 46 #include "chrome/browser/defaults.h" 47 #include "chrome/browser/devtools/devtools_toggle_action.h" 48 #include "chrome/browser/devtools/devtools_window.h" 49 #include "chrome/browser/download/download_item_model.h" 50 #include "chrome/browser/download/download_service.h" 51 #include "chrome/browser/download/download_service_factory.h" 52 #include "chrome/browser/download/download_shelf.h" 53 #include "chrome/browser/extensions/browser_extension_window_controller.h" 54 #include "chrome/browser/extensions/extension_service.h" 55 #include "chrome/browser/extensions/tab_helper.h" 56 #include "chrome/browser/favicon/favicon_tab_helper.h" 57 #include "chrome/browser/file_select_helper.h" 58 #include "chrome/browser/first_run/first_run.h" 59 #include "chrome/browser/history/top_sites.h" 60 #include "chrome/browser/infobars/infobar_service.h" 61 #include "chrome/browser/infobars/simple_alert_infobar_delegate.h" 62 #include "chrome/browser/lifetime/application_lifetime.h" 63 #include "chrome/browser/notifications/notification_ui_manager.h" 64 #include "chrome/browser/pepper_broker_infobar_delegate.h" 65 #include "chrome/browser/prefs/incognito_mode_prefs.h" 66 #include "chrome/browser/profiles/profile.h" 67 #include "chrome/browser/profiles/profile_destroyer.h" 68 #include "chrome/browser/profiles/profile_metrics.h" 69 #include "chrome/browser/repost_form_warning_controller.h" 70 #include "chrome/browser/search/search.h" 71 #include "chrome/browser/sessions/session_service.h" 72 #include "chrome/browser/sessions/session_service_factory.h" 73 #include "chrome/browser/sessions/session_tab_helper.h" 74 #include "chrome/browser/sessions/session_types.h" 75 #include "chrome/browser/sessions/tab_restore_service.h" 76 #include "chrome/browser/sessions/tab_restore_service_factory.h" 77 #include "chrome/browser/sync/profile_sync_service.h" 78 #include "chrome/browser/sync/profile_sync_service_factory.h" 79 #include "chrome/browser/sync/sync_ui_util.h" 80 #include "chrome/browser/tab_contents/background_contents.h" 81 #include "chrome/browser/tab_contents/retargeting_details.h" 82 #include "chrome/browser/tab_contents/tab_util.h" 83 #include "chrome/browser/themes/theme_service.h" 84 #include "chrome/browser/themes/theme_service_factory.h" 85 #include "chrome/browser/translate/chrome_translate_client.h" 86 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h" 87 #include "chrome/browser/ui/autofill/chrome_autofill_client.h" 88 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h" 89 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" 90 #include "chrome/browser/ui/bookmarks/bookmark_utils.h" 91 #include "chrome/browser/ui/browser_command_controller.h" 92 #include "chrome/browser/ui/browser_commands.h" 93 #include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h" 94 #include "chrome/browser/ui/browser_content_translate_driver_observer.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_restore_service_delegate.h" 102 #include "chrome/browser/ui/browser_tab_strip_model_delegate.h" 103 #include "chrome/browser/ui/browser_tabstrip.h" 104 #include "chrome/browser/ui/browser_toolbar_model_delegate.h" 105 #include "chrome/browser/ui/browser_ui_prefs.h" 106 #include "chrome/browser/ui/browser_window.h" 107 #include "chrome/browser/ui/chrome_pages.h" 108 #include "chrome/browser/ui/chrome_select_file_policy.h" 109 #include "chrome/browser/ui/fast_unload_controller.h" 110 #include "chrome/browser/ui/find_bar/find_bar.h" 111 #include "chrome/browser/ui/find_bar/find_bar_controller.h" 112 #include "chrome/browser/ui/find_bar/find_tab_helper.h" 113 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h" 114 #include "chrome/browser/ui/global_error/global_error.h" 115 #include "chrome/browser/ui/global_error/global_error_service.h" 116 #include "chrome/browser/ui/global_error/global_error_service_factory.h" 117 #include "chrome/browser/ui/media_utils.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/search_tab_helper.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_helpers.h" 128 #include "chrome/browser/ui/tab_modal_confirm_dialog.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/tabs/tab_strip_model_utils.h" 132 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h" 133 #include "chrome/browser/ui/unload_controller.h" 134 #include "chrome/browser/ui/validation_message_bubble.h" 135 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h" 136 #include "chrome/browser/ui/webui/signin/login_ui_service.h" 137 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h" 138 #include "chrome/browser/ui/window_sizer/window_sizer.h" 139 #include "chrome/browser/ui/zoom/zoom_controller.h" 140 #include "chrome/browser/upgrade_detector.h" 141 #include "chrome/browser/web_applications/web_app.h" 142 #include "chrome/common/chrome_constants.h" 143 #include "chrome/common/chrome_switches.h" 144 #include "chrome/common/custom_handlers/protocol_handler.h" 145 #include "chrome/common/pref_names.h" 146 #include "chrome/common/profiling.h" 147 #include "chrome/common/search_types.h" 148 #include "chrome/common/url_constants.h" 149 #include "components/bookmarks/browser/bookmark_model.h" 150 #include "components/bookmarks/browser/bookmark_utils.h" 151 #include "components/google/core/browser/google_url_tracker.h" 152 #include "components/startup_metric_utils/startup_metric_utils.h" 153 #include "components/web_modal/web_contents_modal_dialog_manager.h" 154 #include "content/public/browser/devtools_manager.h" 155 #include "content/public/browser/download_item.h" 156 #include "content/public/browser/download_manager.h" 157 #include "content/public/browser/interstitial_page.h" 158 #include "content/public/browser/invalidate_type.h" 159 #include "content/public/browser/navigation_controller.h" 160 #include "content/public/browser/navigation_entry.h" 161 #include "content/public/browser/notification_details.h" 162 #include "content/public/browser/notification_service.h" 163 #include "content/public/browser/plugin_service.h" 164 #include "content/public/browser/render_process_host.h" 165 #include "content/public/browser/render_view_host.h" 166 #include "content/public/browser/render_widget_host_view.h" 167 #include "content/public/browser/site_instance.h" 168 #include "content/public/browser/user_metrics.h" 169 #include "content/public/browser/web_contents.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 "content/public/common/webplugininfo.h" 174 #include "extensions/browser/extension_prefs.h" 175 #include "extensions/browser/extension_system.h" 176 #include "extensions/common/constants.h" 177 #include "extensions/common/extension.h" 178 #include "extensions/common/manifest_handlers/background_info.h" 179 #include "grit/chromium_strings.h" 180 #include "grit/generated_resources.h" 181 #include "grit/locale_settings.h" 182 #include "grit/theme_resources.h" 183 #include "net/base/filename_util.h" 184 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" 185 #include "net/cookies/cookie_monster.h" 186 #include "net/url_request/url_request_context.h" 187 #include "third_party/WebKit/public/web/WebWindowFeatures.h" 188 #include "ui/base/l10n/l10n_util.h" 189 #include "ui/base/window_open_disposition.h" 190 #include "ui/gfx/point.h" 191 #include "ui/shell_dialogs/selected_file_info.h" 192 193 #if defined(OS_WIN) 194 #include "base/win/metro.h" 195 #include "chrome/browser/ssl/ssl_error_info.h" 196 #include "chrome/browser/task_manager/task_manager.h" 197 #include "chrome/browser/ui/view_ids.h" 198 #include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h" 199 #include "ui/base/win/shell.h" 200 #endif // OS_WIN 201 202 #if defined(OS_CHROMEOS) 203 #include "chrome/browser/chromeos/drive/file_system_util.h" 204 #endif 205 206 #if defined(USE_ASH) 207 #include "ash/ash_switches.h" 208 #endif 209 210 using base::TimeDelta; 211 using base::UserMetricsAction; 212 using content::NativeWebKeyboardEvent; 213 using content::NavigationController; 214 using content::NavigationEntry; 215 using content::OpenURLParams; 216 using content::PluginService; 217 using content::Referrer; 218 using content::RenderWidgetHostView; 219 using content::SiteInstance; 220 using content::WebContents; 221 using extensions::Extension; 222 using ui::WebDialogDelegate; 223 using web_modal::WebContentsModalDialogManager; 224 using blink::WebWindowFeatures; 225 226 /////////////////////////////////////////////////////////////////////////////// 227 228 namespace { 229 230 // How long we wait before updating the browser chrome while loading a page. 231 const int kUIUpdateCoalescingTimeMS = 200; 232 233 BrowserWindow* CreateBrowserWindow(Browser* browser) { 234 return BrowserWindow::CreateBrowserWindow(browser); 235 } 236 237 // Is the fast tab unload experiment enabled? 238 bool IsFastTabUnloadEnabled() { 239 return CommandLine::ForCurrentProcess()->HasSwitch( 240 switches::kEnableFastUnload); 241 } 242 243 } // namespace 244 245 //////////////////////////////////////////////////////////////////////////////// 246 // Browser, CreateParams: 247 248 Browser::CreateParams::CreateParams(Profile* profile, 249 chrome::HostDesktopType host_desktop_type) 250 : type(TYPE_TABBED), 251 profile(profile), 252 host_desktop_type(host_desktop_type), 253 trusted_source(false), 254 initial_show_state(ui::SHOW_STATE_DEFAULT), 255 is_session_restore(false), 256 window(NULL) { 257 } 258 259 Browser::CreateParams::CreateParams(Type type, 260 Profile* profile, 261 chrome::HostDesktopType host_desktop_type) 262 : type(type), 263 profile(profile), 264 host_desktop_type(host_desktop_type), 265 trusted_source(false), 266 initial_show_state(ui::SHOW_STATE_DEFAULT), 267 is_session_restore(false), 268 window(NULL) { 269 } 270 271 // static 272 Browser::CreateParams Browser::CreateParams::CreateForApp( 273 const std::string& app_name, 274 bool trusted_source, 275 const gfx::Rect& window_bounds, 276 Profile* profile, 277 chrome::HostDesktopType host_desktop_type) { 278 DCHECK(!app_name.empty()); 279 280 CreateParams params(TYPE_POPUP, profile, host_desktop_type); 281 params.app_name = app_name; 282 params.trusted_source = trusted_source; 283 params.initial_bounds = window_bounds; 284 285 return params; 286 } 287 288 // static 289 Browser::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 params.trusted_source = true; 295 return params; 296 } 297 298 //////////////////////////////////////////////////////////////////////////////// 299 // Browser, InterstitialObserver: 300 301 class Browser::InterstitialObserver : public content::WebContentsObserver { 302 public: 303 InterstitialObserver(Browser* browser, content::WebContents* web_contents) 304 : WebContentsObserver(web_contents), 305 browser_(browser) { 306 } 307 308 using content::WebContentsObserver::web_contents; 309 310 virtual void DidAttachInterstitialPage() OVERRIDE { 311 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 312 } 313 314 virtual void DidDetachInterstitialPage() OVERRIDE { 315 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 316 } 317 318 private: 319 Browser* browser_; 320 321 DISALLOW_COPY_AND_ASSIGN(InterstitialObserver); 322 }; 323 324 /////////////////////////////////////////////////////////////////////////////// 325 // Browser, Constructors, Creation, Showing: 326 327 Browser::Browser(const CreateParams& params) 328 : type_(params.type), 329 profile_(params.profile), 330 window_(NULL), 331 tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)), 332 tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(), 333 params.profile)), 334 app_name_(params.app_name), 335 is_trusted_source_(params.trusted_source), 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_(BrowserWindow::AdjustHostDesktopType( 341 params.host_desktop_type)), 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(this)), 349 window_has_shown_(false), 350 chrome_updater_factory_(this), 351 weak_factory_(this), 352 translate_driver_observer_( 353 new BrowserContentTranslateDriverObserver(this)) { 354 // If this causes a crash then a window is being opened using a profile type 355 // that is disallowed by policy. The crash prevents the disabled window type 356 // from opening at all, but the path that triggered it should be fixed. 357 CHECK(IncognitoModePrefs::CanOpenBrowser(profile_)); 358 CHECK(!profile_->IsGuestSession() || profile_->IsOffTheRecord()) 359 << "Only off the record browser may be opened in guest mode"; 360 361 // TODO(jeremy): Move to initializer list once flag is removed. 362 if (IsFastTabUnloadEnabled()) 363 fast_unload_controller_.reset(new chrome::FastUnloadController(this)); 364 else 365 unload_controller_.reset(new chrome::UnloadController(this)); 366 367 if (!app_name_.empty()) 368 chrome::RegisterAppPrefs(app_name_, profile_); 369 tab_strip_model_->AddObserver(this); 370 371 toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get())); 372 search_model_.reset(new SearchModel()); 373 search_delegate_.reset(new SearchDelegate(search_model_.get())); 374 375 registrar_.Add(this, 376 chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, 377 content::Source<Profile>(profile_->GetOriginalProfile())); 378 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED, 379 content::Source<Profile>(profile_->GetOriginalProfile())); 380 registrar_.Add(this, 381 chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED, 382 content::Source<Profile>(profile_->GetOriginalProfile())); 383 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED, 384 content::NotificationService::AllSources()); 385 #if defined(ENABLE_THEMES) 386 registrar_.Add( 387 this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 388 content::Source<ThemeService>( 389 ThemeServiceFactory::GetForProfile(profile_))); 390 #endif 391 registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED, 392 content::NotificationService::AllSources()); 393 394 profile_pref_registrar_.Init(profile_->GetPrefs()); 395 profile_pref_registrar_.Add( 396 prefs::kDevToolsDisabled, 397 base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this))); 398 profile_pref_registrar_.Add( 399 prefs::kShowBookmarkBar, 400 base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this), 401 BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE)); 402 403 BrowserList::AddBrowser(this); 404 405 // NOTE: These prefs all need to be explicitly destroyed in the destructor 406 // or you'll get a nasty surprise when you run the incognito tests. 407 encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector, 408 profile_->GetPrefs()); 409 410 if (chrome::IsInstantExtendedAPIEnabled() && is_type_tabbed()) 411 instant_controller_.reset(new BrowserInstantController(this)); 412 413 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT); 414 415 ProfileMetrics::LogProfileLaunch(profile_); 416 417 window_ = params.window ? params.window : CreateBrowserWindow(this); 418 419 // Create the extension window controller before sending notifications. 420 extension_window_controller_.reset( 421 new BrowserExtensionWindowController(this)); 422 423 SessionService* session_service = 424 SessionServiceFactory::GetForProfileForSessionRestore(profile_); 425 if (session_service) 426 session_service->WindowOpened(this); 427 428 // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and 429 // replace uses of this with BL's notifications. 430 content::NotificationService::current()->Notify( 431 chrome::NOTIFICATION_BROWSER_WINDOW_READY, 432 content::Source<Browser>(this), 433 content::NotificationService::NoDetails()); 434 435 // TODO(beng): move to ChromeBrowserMain: 436 if (first_run::ShouldDoPersonalDataManagerFirstRun()) { 437 #if defined(OS_WIN) 438 // Notify PDM that this is a first run. 439 ImportAutofillDataWin( 440 autofill::PersonalDataManagerFactory::GetForProfile(profile_)); 441 #endif // defined(OS_WIN) 442 } 443 444 fullscreen_controller_.reset(new FullscreenController(this)); 445 } 446 447 Browser::~Browser() { 448 // Stop observing notifications before continuing with destruction. Profile 449 // destruction will unload extensions and reentrant calls to Browser:: should 450 // be avoided while it is being torn down. 451 registrar_.RemoveAll(); 452 453 // The tab strip should not have any tabs at this point. 454 DCHECK(tab_strip_model_->empty()); 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 int num_downloads; 513 if (OkToCloseWithInProgressDownloads(&num_downloads) == 514 DOWNLOAD_CLOSE_BROWSER_SHUTDOWN && 515 !browser_defaults::kBrowserAliveWithNoWindows) { 516 DownloadService::CancelAllDownloads(); 517 } 518 } 519 520 /////////////////////////////////////////////////////////////////////////////// 521 // Getters & Setters 522 523 FindBarController* Browser::GetFindBarController() { 524 if (!find_bar_controller_.get()) { 525 FindBar* find_bar = window_->CreateFindBar(); 526 find_bar_controller_.reset(new FindBarController(find_bar)); 527 find_bar->SetFindBarController(find_bar_controller_.get()); 528 find_bar_controller_->ChangeWebContents( 529 tab_strip_model_->GetActiveWebContents()); 530 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 531 } 532 return find_bar_controller_.get(); 533 } 534 535 bool Browser::HasFindBarController() const { 536 return find_bar_controller_.get() != NULL; 537 } 538 539 bool Browser::is_app() const { 540 return !app_name_.empty(); 541 } 542 543 bool Browser::is_devtools() const { 544 return app_name_ == DevToolsWindow::kDevToolsApp; 545 } 546 547 /////////////////////////////////////////////////////////////////////////////// 548 // Browser, State Storage and Retrieval for UI: 549 550 gfx::Image Browser::GetCurrentPageIcon() const { 551 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 552 // |web_contents| can be NULL since GetCurrentPageIcon() is called by the 553 // window during the window's creation (before tabs have been added). 554 FaviconTabHelper* favicon_tab_helper = 555 web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL; 556 return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image(); 557 } 558 559 base::string16 Browser::GetWindowTitleForCurrentTab() const { 560 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 561 base::string16 title; 562 563 // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the 564 // window during the window's creation (before tabs have been added). 565 if (contents) { 566 title = contents->GetTitle(); 567 FormatTitleForDisplay(&title); 568 } 569 if (title.empty()) 570 title = CoreTabHelper::GetDefaultTitle(); 571 572 #if defined(OS_MACOSX) 573 // On Mac, we don't want to suffix the page title with 574 // the application name. 575 return title; 576 #elif defined(USE_ASH) 577 // On Ash, we don't want to suffix the page title with the application name, 578 // but on Windows, where USE_ASH can also be true, we still want the prefix 579 // on desktop. 580 if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) 581 return title; 582 #endif 583 // Don't append the app name to window titles on app frames and app popups 584 return is_app() ? 585 title : 586 l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title); 587 } 588 589 // static 590 void Browser::FormatTitleForDisplay(base::string16* title) { 591 size_t current_index = 0; 592 size_t match_index; 593 while ((match_index = title->find(L'\n', current_index)) != 594 base::string16::npos) { 595 title->replace(match_index, 1, base::string16()); 596 current_index = match_index; 597 } 598 } 599 600 /////////////////////////////////////////////////////////////////////////////// 601 // Browser, OnBeforeUnload handling: 602 603 bool Browser::ShouldCloseWindow() { 604 if (!CanCloseWithInProgressDownloads()) 605 return false; 606 607 if (IsFastTabUnloadEnabled()) 608 return fast_unload_controller_->ShouldCloseWindow(); 609 return unload_controller_->ShouldCloseWindow(); 610 } 611 612 bool Browser::CallBeforeUnloadHandlers( 613 const base::Callback<void(bool)>& on_close_confirmed) { 614 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 615 if (IsFastTabUnloadEnabled()) { 616 return fast_unload_controller_->CallBeforeUnloadHandlers( 617 on_close_confirmed); 618 } 619 return unload_controller_->CallBeforeUnloadHandlers(on_close_confirmed); 620 } 621 622 void Browser::ResetBeforeUnloadHandlers() { 623 cancel_download_confirmation_state_ = NOT_PROMPTED; 624 if (IsFastTabUnloadEnabled()) 625 fast_unload_controller_->ResetBeforeUnloadHandlers(); 626 else 627 unload_controller_->ResetBeforeUnloadHandlers(); 628 } 629 630 bool Browser::HasCompletedUnloadProcessing() const { 631 DCHECK(IsFastTabUnloadEnabled()); 632 return fast_unload_controller_->HasCompletedUnloadProcessing(); 633 } 634 635 bool Browser::IsAttemptingToCloseBrowser() const { 636 if (IsFastTabUnloadEnabled()) 637 return fast_unload_controller_->is_attempting_to_close_browser(); 638 return unload_controller_->is_attempting_to_close_browser(); 639 } 640 641 void Browser::OnWindowClosing() { 642 if (!ShouldCloseWindow()) 643 return; 644 645 // Application should shutdown on last window close if the user is explicitly 646 // trying to quit, or if there is nothing keeping the browser alive (such as 647 // AppController on the Mac, or BackgroundContentsService for background 648 // pages). 649 bool should_quit_if_last_browser = 650 browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive(); 651 652 if (should_quit_if_last_browser && chrome::ShouldStartShutdown(this)) 653 browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE); 654 655 // Don't use GetForProfileIfExisting here, we want to force creation of the 656 // session service so that user can restore what was open. 657 SessionService* session_service = 658 SessionServiceFactory::GetForProfile(profile()); 659 if (session_service) 660 session_service->WindowClosing(session_id()); 661 662 TabRestoreService* tab_restore_service = 663 TabRestoreServiceFactory::GetForProfile(profile()); 664 665 #if defined(USE_AURA) 666 if (tab_restore_service && is_app() && !is_devtools()) 667 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 668 #endif 669 670 if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count()) 671 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 672 673 // TODO(sky): convert session/tab restore to use notification. 674 content::NotificationService::current()->Notify( 675 chrome::NOTIFICATION_BROWSER_CLOSING, 676 content::Source<Browser>(this), 677 content::NotificationService::NoDetails()); 678 679 if (!IsFastTabUnloadEnabled()) 680 tab_strip_model_->CloseAllTabs(); 681 } 682 683 //////////////////////////////////////////////////////////////////////////////// 684 // In-progress download termination handling: 685 686 void Browser::InProgressDownloadResponse(bool cancel_downloads) { 687 if (cancel_downloads) { 688 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 689 chrome::CloseWindow(this); 690 return; 691 } 692 693 // Sets the confirmation state to NOT_PROMPTED so that if the user tries to 694 // close again we'll show the warning again. 695 cancel_download_confirmation_state_ = NOT_PROMPTED; 696 697 // Show the download page so the user can figure-out what downloads are still 698 // in-progress. 699 chrome::ShowDownloads(this); 700 701 // Reset UnloadController::is_attempting_to_close_browser_ so that we don't 702 // prompt every time any tab is closed. http://crbug.com/305516 703 if (IsFastTabUnloadEnabled()) 704 fast_unload_controller_->CancelWindowClose(); 705 else 706 unload_controller_->CancelWindowClose(); 707 } 708 709 Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads( 710 int* num_downloads_blocking) const { 711 DCHECK(num_downloads_blocking); 712 *num_downloads_blocking = 0; 713 714 // If we're not running a full browser process with a profile manager 715 // (testing), it's ok to close the browser. 716 if (!g_browser_process->profile_manager()) 717 return DOWNLOAD_CLOSE_OK; 718 719 int total_download_count = 720 DownloadService::NonMaliciousDownloadCountAllProfiles(); 721 if (total_download_count == 0) 722 return DOWNLOAD_CLOSE_OK; // No downloads; can definitely close. 723 724 // Figure out how many windows are open total, and associated with this 725 // profile, that are relevant for the ok-to-close decision. 726 int profile_window_count = 0; 727 int total_window_count = 0; 728 for (chrome::BrowserIterator it; !it.done(); it.Next()) { 729 // Don't count this browser window or any other in the process of closing. 730 Browser* const browser = *it; 731 // Window closing may be delayed, and windows that are in the process of 732 // closing don't count against our totals. 733 if (browser == this || browser->IsAttemptingToCloseBrowser()) 734 continue; 735 736 if (it->profile() == profile()) 737 profile_window_count++; 738 total_window_count++; 739 } 740 741 // If there aren't any other windows, we're at browser shutdown, 742 // which would cancel all current downloads. 743 if (total_window_count == 0) { 744 *num_downloads_blocking = total_download_count; 745 return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN; 746 } 747 748 // If there aren't any other windows on our profile, and we're an incognito 749 // profile, and there are downloads associated with that profile, 750 // those downloads would be cancelled by our window (-> profile) close. 751 DownloadService* download_service = 752 DownloadServiceFactory::GetForBrowserContext(profile()); 753 if ((profile_window_count == 0) && 754 (download_service->NonMaliciousDownloadCount() > 0) && 755 profile()->IsOffTheRecord()) { 756 *num_downloads_blocking = download_service->NonMaliciousDownloadCount(); 757 return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE; 758 } 759 760 // Those are the only conditions under which we will block shutdown. 761 return DOWNLOAD_CLOSE_OK; 762 } 763 764 //////////////////////////////////////////////////////////////////////////////// 765 // Browser, Tab adding/showing functions: 766 767 void Browser::WindowFullscreenStateChanged() { 768 fullscreen_controller_->WindowFullscreenStateChanged(); 769 command_controller_->FullscreenStateChanged(); 770 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN); 771 } 772 773 /////////////////////////////////////////////////////////////////////////////// 774 // Browser, Assorted browser commands: 775 776 void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) { 777 fullscreen_controller_-> 778 ToggleBrowserFullscreenModeWithExtension(extension_url); 779 } 780 781 bool Browser::SupportsWindowFeature(WindowFeature feature) const { 782 return SupportsWindowFeatureImpl(feature, true); 783 } 784 785 bool Browser::CanSupportWindowFeature(WindowFeature feature) const { 786 return SupportsWindowFeatureImpl(feature, false); 787 } 788 789 void Browser::ToggleEncodingAutoDetect() { 790 content::RecordAction(UserMetricsAction("AutoDetectChange")); 791 encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue()); 792 // If "auto detect" is turned on, then any current override encoding 793 // is cleared. This also implicitly performs a reload. 794 // OTOH, if "auto detect" is turned off, we don't change the currently 795 // active encoding. 796 if (encoding_auto_detect_.GetValue()) { 797 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 798 if (contents) 799 contents->ResetOverrideEncoding(); 800 } 801 } 802 803 void Browser::OverrideEncoding(int encoding_id) { 804 content::RecordAction(UserMetricsAction("OverrideEncoding")); 805 const std::string selected_encoding = 806 CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id); 807 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 808 if (!selected_encoding.empty() && contents) 809 contents->SetOverrideEncoding(selected_encoding); 810 // Update the list of recently selected encodings. 811 std::string new_selected_encoding_list; 812 if (CharacterEncoding::UpdateRecentlySelectedEncoding( 813 profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding), 814 encoding_id, 815 &new_selected_encoding_list)) { 816 profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding, 817 new_selected_encoding_list); 818 } 819 } 820 821 void Browser::OpenFile() { 822 content::RecordAction(UserMetricsAction("OpenFile")); 823 select_file_dialog_ = ui::SelectFileDialog::Create( 824 this, new ChromeSelectFilePolicy( 825 tab_strip_model_->GetActiveWebContents())); 826 827 const base::FilePath directory = profile_->last_selected_directory(); 828 829 // TODO(beng): figure out how to juggle this. 830 gfx::NativeWindow parent_window = window_->GetNativeWindow(); 831 ui::SelectFileDialog::FileTypeInfo file_types; 832 file_types.support_drive = true; 833 select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE, 834 base::string16(), 835 directory, 836 &file_types, 837 0, 838 base::FilePath::StringType(), 839 parent_window, 840 NULL); 841 } 842 843 void Browser::UpdateDownloadShelfVisibility(bool visible) { 844 if (GetStatusBubble()) 845 GetStatusBubble()->UpdateDownloadShelfVisibility(visible); 846 } 847 848 /////////////////////////////////////////////////////////////////////////////// 849 850 void Browser::UpdateUIForNavigationInTab(WebContents* contents, 851 content::PageTransition transition, 852 bool user_initiated) { 853 tab_strip_model_->TabNavigating(contents, transition); 854 855 bool contents_is_selected = 856 contents == tab_strip_model_->GetActiveWebContents(); 857 if (user_initiated && contents_is_selected && window()->GetLocationBar()) { 858 // Forcibly reset the location bar if the url is going to change in the 859 // current tab, since otherwise it won't discard any ongoing user edits, 860 // since it doesn't realize this is a user-initiated action. 861 window()->GetLocationBar()->Revert(); 862 } 863 864 if (GetStatusBubble()) 865 GetStatusBubble()->Hide(); 866 867 // Update the location bar. This is synchronous. We specifically don't 868 // update the load state since the load hasn't started yet and updating it 869 // will put it out of sync with the actual state like whether we're 870 // displaying a favicon, which controls the throbber. If we updated it here, 871 // the throbber will show the default favicon for a split second when 872 // navigating away from the new tab page. 873 ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL); 874 875 if (contents_is_selected) 876 contents->SetInitialFocus(); 877 } 878 879 /////////////////////////////////////////////////////////////////////////////// 880 // Browser, PageNavigator implementation: 881 882 WebContents* Browser::OpenURL(const OpenURLParams& params) { 883 return OpenURLFromTab(NULL, params); 884 } 885 886 /////////////////////////////////////////////////////////////////////////////// 887 // Browser, TabStripModelObserver implementation: 888 889 void Browser::TabInsertedAt(WebContents* contents, 890 int index, 891 bool foreground) { 892 SetAsDelegate(contents, this); 893 SessionTabHelper* session_tab_helper = 894 SessionTabHelper::FromWebContents(contents); 895 session_tab_helper->SetWindowID(session_id()); 896 897 content::NotificationService::current()->Notify( 898 chrome::NOTIFICATION_TAB_PARENTED, 899 content::Source<content::WebContents>(contents), 900 content::NotificationService::NoDetails()); 901 902 SyncHistoryWithTabs(index); 903 904 // Make sure the loading state is updated correctly, otherwise the throbber 905 // won't start if the page is loading. 906 LoadingStateChanged(contents, true); 907 908 interstitial_observers_.push_back(new InterstitialObserver(this, contents)); 909 910 SessionService* session_service = 911 SessionServiceFactory::GetForProfile(profile_); 912 if (session_service) { 913 session_service->TabInserted(contents); 914 int new_active_index = tab_strip_model_->active_index(); 915 if (index < new_active_index) 916 session_service->SetSelectedTabInWindow(session_id(), 917 new_active_index); 918 } 919 } 920 921 void Browser::TabClosingAt(TabStripModel* tab_strip_model, 922 WebContents* contents, 923 int index) { 924 fullscreen_controller_->OnTabClosing(contents); 925 SessionService* session_service = 926 SessionServiceFactory::GetForProfile(profile_); 927 if (session_service) 928 session_service->TabClosing(contents); 929 content::NotificationService::current()->Notify( 930 chrome::NOTIFICATION_TAB_CLOSING, 931 content::Source<NavigationController>(&contents->GetController()), 932 content::NotificationService::NoDetails()); 933 934 // Sever the WebContents' connection back to us. 935 SetAsDelegate(contents, NULL); 936 } 937 938 void Browser::TabDetachedAt(WebContents* contents, int index) { 939 // TabDetachedAt is called before TabStripModel has updated the 940 // active index. 941 int old_active_index = tab_strip_model_->active_index(); 942 if (index < old_active_index && !tab_strip_model_->closing_all()) { 943 SessionService* session_service = 944 SessionServiceFactory::GetForProfileIfExisting(profile_); 945 if (session_service) 946 session_service->SetSelectedTabInWindow(session_id(), 947 old_active_index - 1); 948 } 949 TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH); 950 } 951 952 void Browser::TabDeactivated(WebContents* contents) { 953 fullscreen_controller_->OnTabDeactivated(contents); 954 search_delegate_->OnTabDeactivated(contents); 955 SearchTabHelper::FromWebContents(contents)->OnTabDeactivated(); 956 957 // Save what the user's currently typing, so it can be restored when we 958 // switch back to this tab. 959 window_->GetLocationBar()->SaveStateToContents(contents); 960 961 if (instant_controller_) 962 instant_controller_->TabDeactivated(contents); 963 } 964 965 void Browser::ActiveTabChanged(WebContents* old_contents, 966 WebContents* new_contents, 967 int index, 968 int reason) { 969 content::RecordAction(UserMetricsAction("ActiveTabChanged")); 970 971 // Update the bookmark state, since the BrowserWindow may query it during 972 // OnActiveTabChanged() below. 973 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH); 974 975 // Let the BrowserWindow do its handling. On e.g. views this changes the 976 // focused object, which should happen before we update the toolbar below, 977 // since the omnibox expects the correct element to already be focused when it 978 // is updated. 979 window_->OnActiveTabChanged(old_contents, new_contents, index, reason); 980 981 fullscreen_controller_->OnTabDetachedFromView(old_contents); 982 983 // Discarded tabs always get reloaded. 984 if (tab_strip_model_->IsTabDiscarded(index)) { 985 LOG(WARNING) << "Reloading discarded tab at " << index; 986 static int reload_count = 0; 987 UMA_HISTOGRAM_CUSTOM_COUNTS( 988 "Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50); 989 chrome::Reload(this, CURRENT_TAB); 990 } 991 992 // If we have any update pending, do it now. 993 if (chrome_updater_factory_.HasWeakPtrs() && old_contents) 994 ProcessPendingUIUpdates(); 995 996 // Propagate the profile to the location bar. 997 UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0); 998 999 if (chrome::IsInstantExtendedAPIEnabled()) 1000 search_delegate_->OnTabActivated(new_contents); 1001 1002 // Update reload/stop state. 1003 command_controller_->LoadingStateChanged(new_contents->IsLoading(), true); 1004 1005 // Update commands to reflect current state. 1006 command_controller_->TabStateChanged(); 1007 1008 // Reset the status bubble. 1009 StatusBubble* status_bubble = GetStatusBubble(); 1010 if (status_bubble) { 1011 status_bubble->Hide(); 1012 1013 // Show the loading state (if any). 1014 status_bubble->SetStatus(CoreTabHelper::FromWebContents( 1015 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1016 } 1017 1018 if (HasFindBarController()) { 1019 find_bar_controller_->ChangeWebContents(new_contents); 1020 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 1021 } 1022 1023 // Update sessions. Don't force creation of sessions. If sessions doesn't 1024 // exist, the change will be picked up by sessions when created. 1025 SessionService* session_service = 1026 SessionServiceFactory::GetForProfileIfExisting(profile_); 1027 if (session_service && !tab_strip_model_->closing_all()) { 1028 session_service->SetSelectedTabInWindow(session_id(), 1029 tab_strip_model_->active_index()); 1030 } 1031 1032 // This needs to be called after notifying SearchDelegate. 1033 if (instant_controller_) 1034 instant_controller_->ActiveTabChanged(); 1035 1036 autofill::ChromeAutofillClient::FromWebContents(new_contents)->TabActivated(); 1037 SearchTabHelper::FromWebContents(new_contents)->OnTabActivated(); 1038 } 1039 1040 void Browser::TabMoved(WebContents* contents, 1041 int from_index, 1042 int to_index) { 1043 DCHECK(from_index >= 0 && to_index >= 0); 1044 // Notify the history service. 1045 SyncHistoryWithTabs(std::min(from_index, to_index)); 1046 } 1047 1048 void Browser::TabReplacedAt(TabStripModel* tab_strip_model, 1049 WebContents* old_contents, 1050 WebContents* new_contents, 1051 int index) { 1052 TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE); 1053 fullscreen_controller_->OnTabClosing(old_contents); 1054 SessionService* session_service = 1055 SessionServiceFactory::GetForProfile(profile_); 1056 if (session_service) 1057 session_service->TabClosing(old_contents); 1058 TabInsertedAt(new_contents, 1059 index, 1060 (index == tab_strip_model_->active_index())); 1061 1062 int entry_count = new_contents->GetController().GetEntryCount(); 1063 if (entry_count > 0) { 1064 // Send out notification so that observers are updated appropriately. 1065 new_contents->GetController().NotifyEntryChanged( 1066 new_contents->GetController().GetEntryAtIndex(entry_count - 1), 1067 entry_count - 1); 1068 } 1069 1070 if (session_service) { 1071 // The new_contents may end up with a different navigation stack. Force 1072 // the session service to update itself. 1073 session_service->TabRestored(new_contents, 1074 tab_strip_model_->IsTabPinned(index)); 1075 } 1076 } 1077 1078 void Browser::TabPinnedStateChanged(WebContents* contents, int index) { 1079 SessionService* session_service = 1080 SessionServiceFactory::GetForProfileIfExisting(profile()); 1081 if (session_service) { 1082 SessionTabHelper* session_tab_helper = 1083 SessionTabHelper::FromWebContents(contents); 1084 session_service->SetPinnedState(session_id(), 1085 session_tab_helper->session_id(), 1086 tab_strip_model_->IsTabPinned(index)); 1087 } 1088 } 1089 1090 void Browser::TabStripEmpty() { 1091 // Close the frame after we return to the message loop (not immediately, 1092 // otherwise it will destroy this object before the stack has a chance to 1093 // cleanly unwind.) 1094 // Note: This will be called several times if TabStripEmpty is called several 1095 // times. This is because it does not close the window if tabs are 1096 // still present. 1097 base::MessageLoop::current()->PostTask( 1098 FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr())); 1099 1100 // Instant may have visible WebContents that need to be detached before the 1101 // window system closes. 1102 instant_controller_.reset(); 1103 } 1104 1105 bool Browser::CanOverscrollContent() const { 1106 #if defined(USE_AURA) 1107 const std::string value = CommandLine::ForCurrentProcess()-> 1108 GetSwitchValueASCII(switches::kOverscrollHistoryNavigation); 1109 bool overscroll_enabled = value != "0"; 1110 if (!overscroll_enabled) 1111 return false; 1112 if (is_app() || is_devtools() || !is_type_tabbed()) 1113 return false; 1114 1115 // The detached bookmark bar has appearance of floating above the 1116 // web-contents. This does not play nicely with overscroll navigation 1117 // gestures. So disable overscroll navigation when the bookmark bar is in the 1118 // detached state and the overscroll effect moves the layers. 1119 if (value == "1" && bookmark_bar_state_ == BookmarkBar::DETACHED) 1120 return false; 1121 return true; 1122 #else 1123 return false; 1124 #endif 1125 } 1126 1127 bool Browser::ShouldPreserveAbortedURLs(WebContents* source) { 1128 // Allow failed URLs to stick around in the omnibox on the NTP, but not when 1129 // other pages have committed. 1130 Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext()); 1131 if (!profile || !source->GetController().GetLastCommittedEntry()) 1132 return false; 1133 GURL committed_url(source->GetController().GetLastCommittedEntry()->GetURL()); 1134 return chrome::IsNTPURL(committed_url, profile); 1135 } 1136 1137 bool Browser::PreHandleKeyboardEvent(content::WebContents* source, 1138 const NativeWebKeyboardEvent& event, 1139 bool* is_keyboard_shortcut) { 1140 // Escape exits tabbed fullscreen mode. 1141 // TODO(koz): Write a test for this http://crbug.com/100441. 1142 if (event.windowsKeyCode == 27 && 1143 fullscreen_controller_->HandleUserPressedEscape()) { 1144 return true; 1145 } 1146 return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut); 1147 } 1148 1149 void Browser::HandleKeyboardEvent(content::WebContents* source, 1150 const NativeWebKeyboardEvent& event) { 1151 DevToolsWindow* devtools_window = 1152 DevToolsWindow::GetInstanceForInspectedWebContents(source); 1153 bool handled = false; 1154 if (devtools_window) 1155 handled = devtools_window->ForwardKeyboardEvent(event); 1156 1157 if (!handled) 1158 window()->HandleKeyboardEvent(event); 1159 } 1160 1161 bool Browser::TabsNeedBeforeUnloadFired() { 1162 if (IsFastTabUnloadEnabled()) 1163 return fast_unload_controller_->TabsNeedBeforeUnloadFired(); 1164 return unload_controller_->TabsNeedBeforeUnloadFired(); 1165 } 1166 1167 void Browser::OverscrollUpdate(int delta_y) { 1168 window_->OverscrollUpdate(delta_y); 1169 } 1170 1171 void Browser::ShowValidationMessage(content::WebContents* web_contents, 1172 const gfx::Rect& anchor_in_root_view, 1173 const base::string16& main_text, 1174 const base::string16& sub_text) { 1175 RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); 1176 if (rwhv) { 1177 validation_message_bubble_ = 1178 chrome::ValidationMessageBubble::CreateAndShow( 1179 rwhv->GetRenderWidgetHost(), 1180 anchor_in_root_view, 1181 main_text, 1182 sub_text); 1183 } 1184 } 1185 1186 void Browser::HideValidationMessage(content::WebContents* web_contents) { 1187 validation_message_bubble_.reset(); 1188 } 1189 1190 void Browser::MoveValidationMessage(content::WebContents* web_contents, 1191 const gfx::Rect& anchor_in_root_view) { 1192 if (!validation_message_bubble_) 1193 return; 1194 RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); 1195 if (rwhv) { 1196 validation_message_bubble_->SetPositionRelativeToAnchor( 1197 rwhv->GetRenderWidgetHost(), anchor_in_root_view); 1198 } 1199 } 1200 1201 bool Browser::PreHandleGestureEvent(content::WebContents* source, 1202 const blink::WebGestureEvent& event) { 1203 // Disable pinch zooming in undocked dev tools window due to poor UX. 1204 if (app_name() == DevToolsWindow::kDevToolsApp) 1205 return event.type == blink::WebGestureEvent::GesturePinchBegin || 1206 event.type == blink::WebGestureEvent::GesturePinchUpdate || 1207 event.type == blink::WebGestureEvent::GesturePinchEnd; 1208 1209 return false; 1210 } 1211 1212 bool Browser::IsMouseLocked() const { 1213 return fullscreen_controller_->IsMouseLocked(); 1214 } 1215 1216 void Browser::OnWindowDidShow() { 1217 if (window_has_shown_) 1218 return; 1219 window_has_shown_ = true; 1220 1221 // CurrentProcessInfo::CreationTime() is missing on some platforms. 1222 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 1223 // Measure the latency from startup till the first browser window becomes 1224 // visible. 1225 static bool is_first_browser_window = true; 1226 if (is_first_browser_window && 1227 !startup_metric_utils::WasNonBrowserUIDisplayed()) { 1228 is_first_browser_window = false; 1229 const base::Time process_creation_time = 1230 base::CurrentProcessInfo::CreationTime(); 1231 1232 if (!process_creation_time.is_null()) { 1233 UMA_HISTOGRAM_LONG_TIMES( 1234 "Startup.BrowserWindowDisplay", 1235 base::Time::Now() - process_creation_time); 1236 } 1237 } 1238 #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 1239 1240 // Nothing to do for non-tabbed windows. 1241 if (!is_type_tabbed()) 1242 return; 1243 1244 // Show any pending global error bubble. 1245 GlobalErrorService* service = 1246 GlobalErrorServiceFactory::GetForProfile(profile()); 1247 GlobalError* error = service->GetFirstGlobalErrorWithBubbleView(); 1248 if (error) 1249 error->ShowBubbleView(this); 1250 } 1251 1252 void Browser::ShowFirstRunBubble() { 1253 window()->GetLocationBar()->ShowFirstRunBubble(); 1254 } 1255 1256 void Browser::ShowDownload(content::DownloadItem* download) { 1257 if (!window()) 1258 return; 1259 1260 // If the download occurs in a new tab, and it's not a save page 1261 // download (started before initial navigation completed) close it. 1262 WebContents* source = download->GetWebContents(); 1263 if (source && source->GetController().IsInitialNavigation() && 1264 tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) { 1265 CloseContents(source); 1266 } 1267 1268 // Some (app downloads) are not supposed to appear on the shelf. 1269 if (!DownloadItemModel(download).ShouldShowInShelf()) 1270 return; 1271 1272 // GetDownloadShelf creates the download shelf if it was not yet created. 1273 DownloadShelf* shelf = window()->GetDownloadShelf(); 1274 shelf->AddDownload(download); 1275 } 1276 1277 /////////////////////////////////////////////////////////////////////////////// 1278 // Browser, content::WebContentsDelegate implementation: 1279 1280 WebContents* Browser::OpenURLFromTab(WebContents* source, 1281 const OpenURLParams& params) { 1282 chrome::NavigateParams nav_params(this, params.url, params.transition); 1283 FillNavigateParamsFromOpenURLParams(&nav_params, params); 1284 nav_params.source_contents = source; 1285 nav_params.tabstrip_add_types = TabStripModel::ADD_NONE; 1286 if (params.user_gesture) 1287 nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW; 1288 nav_params.user_gesture = params.user_gesture; 1289 1290 PopupBlockerTabHelper* popup_blocker_helper = NULL; 1291 if (source) 1292 popup_blocker_helper = PopupBlockerTabHelper::FromWebContents(source); 1293 1294 if (popup_blocker_helper) { 1295 if ((params.disposition == NEW_POPUP || 1296 params.disposition == NEW_FOREGROUND_TAB || 1297 params.disposition == NEW_BACKGROUND_TAB || 1298 params.disposition == NEW_WINDOW) && 1299 !params.user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch( 1300 switches::kDisablePopupBlocking)) { 1301 if (popup_blocker_helper->MaybeBlockPopup(nav_params, 1302 WebWindowFeatures())) { 1303 return NULL; 1304 } 1305 } 1306 } 1307 1308 chrome::Navigate(&nav_params); 1309 1310 return nav_params.target_contents; 1311 } 1312 1313 void Browser::NavigationStateChanged(const WebContents* source, 1314 unsigned changed_flags) { 1315 // Only update the UI when something visible has changed. 1316 if (changed_flags) 1317 ScheduleUIUpdate(source, changed_flags); 1318 1319 // We can synchronously update commands since they will only change once per 1320 // navigation, so we don't have to worry about flickering. We do, however, 1321 // need to update the command state early on load to always present usable 1322 // actions in the face of slow-to-commit pages. 1323 if (changed_flags & (content::INVALIDATE_TYPE_URL | 1324 content::INVALIDATE_TYPE_LOAD)) 1325 command_controller_->TabStateChanged(); 1326 } 1327 1328 void Browser::VisibleSSLStateChanged(const WebContents* source) { 1329 // When the current tab's SSL state changes, we need to update the URL 1330 // bar to reflect the new state. 1331 DCHECK(source); 1332 if (tab_strip_model_->GetActiveWebContents() == source) 1333 UpdateToolbar(false); 1334 } 1335 1336 void Browser::AddNewContents(WebContents* source, 1337 WebContents* new_contents, 1338 WindowOpenDisposition disposition, 1339 const gfx::Rect& initial_pos, 1340 bool user_gesture, 1341 bool* was_blocked) { 1342 chrome::AddWebContents(this, source, new_contents, disposition, initial_pos, 1343 user_gesture, was_blocked); 1344 } 1345 1346 void Browser::ActivateContents(WebContents* contents) { 1347 tab_strip_model_->ActivateTabAt( 1348 tab_strip_model_->GetIndexOfWebContents(contents), false); 1349 window_->Activate(); 1350 } 1351 1352 void Browser::DeactivateContents(WebContents* contents) { 1353 window_->Deactivate(); 1354 } 1355 1356 void Browser::LoadingStateChanged(WebContents* source, 1357 bool to_different_document) { 1358 window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading()); 1359 window_->UpdateTitleBar(); 1360 1361 WebContents* selected_contents = tab_strip_model_->GetActiveWebContents(); 1362 if (source == selected_contents) { 1363 bool is_loading = source->IsLoading() && to_different_document; 1364 command_controller_->LoadingStateChanged(is_loading, false); 1365 if (GetStatusBubble()) { 1366 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1367 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1368 } 1369 } 1370 } 1371 1372 void Browser::CloseContents(WebContents* source) { 1373 bool can_close_contents; 1374 if (IsFastTabUnloadEnabled()) 1375 can_close_contents = fast_unload_controller_->CanCloseContents(source); 1376 else 1377 can_close_contents = unload_controller_->CanCloseContents(source); 1378 1379 if (can_close_contents) 1380 chrome::CloseWebContents(this, source, true); 1381 } 1382 1383 void Browser::MoveContents(WebContents* source, const gfx::Rect& pos) { 1384 if (!IsPopupOrPanel(source)) { 1385 NOTREACHED() << "moving invalid browser type"; 1386 return; 1387 } 1388 window_->SetBounds(pos); 1389 } 1390 1391 bool Browser::IsPopupOrPanel(const WebContents* source) const { 1392 return is_type_popup(); 1393 } 1394 1395 void Browser::UpdateTargetURL(WebContents* source, int32 page_id, 1396 const GURL& url) { 1397 if (!GetStatusBubble()) 1398 return; 1399 1400 if (source == tab_strip_model_->GetActiveWebContents()) { 1401 PrefService* prefs = profile_->GetPrefs(); 1402 GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages)); 1403 } 1404 } 1405 1406 void Browser::ContentsMouseEvent( 1407 WebContents* source, const gfx::Point& location, bool motion) { 1408 if (!GetStatusBubble()) 1409 return; 1410 1411 if (source == tab_strip_model_->GetActiveWebContents()) { 1412 GetStatusBubble()->MouseMoved(location, !motion); 1413 if (!motion) 1414 GetStatusBubble()->SetURL(GURL(), std::string()); 1415 } 1416 } 1417 1418 void Browser::ContentsZoomChange(bool zoom_in) { 1419 chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS); 1420 } 1421 1422 void Browser::WebContentsFocused(WebContents* contents) { 1423 window_->WebContentsFocused(contents); 1424 } 1425 1426 bool Browser::TakeFocus(content::WebContents* source, 1427 bool reverse) { 1428 content::NotificationService::current()->Notify( 1429 chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER, 1430 content::Source<Browser>(this), 1431 content::NotificationService::NoDetails()); 1432 return false; 1433 } 1434 1435 gfx::Rect Browser::GetRootWindowResizerRect() const { 1436 return window_->GetRootWindowResizerRect(); 1437 } 1438 1439 void Browser::BeforeUnloadFired(WebContents* web_contents, 1440 bool proceed, 1441 bool* proceed_to_fire_unload) { 1442 if (is_devtools() && DevToolsWindow::HandleBeforeUnload(web_contents, 1443 proceed, proceed_to_fire_unload)) 1444 return; 1445 1446 if (IsFastTabUnloadEnabled()) { 1447 *proceed_to_fire_unload = 1448 fast_unload_controller_->BeforeUnloadFired(web_contents, proceed); 1449 } else { 1450 *proceed_to_fire_unload = 1451 unload_controller_->BeforeUnloadFired(web_contents, proceed); 1452 } 1453 } 1454 1455 bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) { 1456 const content::NavigationEntry* entry = 1457 source->GetController().GetActiveEntry(); 1458 if (entry) { 1459 GURL url = entry->GetURL(); 1460 GURL virtual_url = entry->GetVirtualURL(); 1461 if ((url.SchemeIs(content::kChromeUIScheme) && 1462 url.host() == chrome::kChromeUINewTabHost) || 1463 (virtual_url.SchemeIs(content::kChromeUIScheme) && 1464 virtual_url.host() == chrome::kChromeUINewTabHost)) { 1465 return true; 1466 } 1467 } 1468 1469 return chrome::NavEntryIsInstantNTP(source, entry); 1470 } 1471 1472 void Browser::SetFocusToLocationBar(bool select_all) { 1473 // Two differences between this and FocusLocationBar(): 1474 // (1) This doesn't get recorded in user metrics, since it's called 1475 // internally. 1476 // (2) This checks whether the location bar can be focused, and if not, clears 1477 // the focus. FocusLocationBar() is only reached when the location bar is 1478 // focusable, but this may be reached at other times, e.g. while in 1479 // fullscreen mode, where we need to leave focus in a consistent state. 1480 window_->SetFocusToLocationBar(select_all); 1481 } 1482 1483 int Browser::GetExtraRenderViewHeight() const { 1484 return window_->GetExtraRenderViewHeight(); 1485 } 1486 1487 void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) { 1488 DCHECK(source); 1489 chrome::ViewSource(this, source); 1490 } 1491 1492 void Browser::ViewSourceForFrame(WebContents* source, 1493 const GURL& frame_url, 1494 const content::PageState& frame_page_state) { 1495 DCHECK(source); 1496 chrome::ViewSource(this, source, frame_url, frame_page_state); 1497 } 1498 1499 void Browser::ShowRepostFormWarningDialog(WebContents* source) { 1500 TabModalConfirmDialog::Create(new RepostFormWarningController(source), 1501 source); 1502 } 1503 1504 bool Browser::ShouldCreateWebContents( 1505 WebContents* web_contents, 1506 int route_id, 1507 WindowContainerType window_container_type, 1508 const base::string16& frame_name, 1509 const GURL& target_url, 1510 const std::string& partition_id, 1511 content::SessionStorageNamespace* session_storage_namespace) { 1512 if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) { 1513 // If a BackgroundContents is created, suppress the normal WebContents. 1514 return !MaybeCreateBackgroundContents(route_id, 1515 web_contents, 1516 frame_name, 1517 target_url, 1518 partition_id, 1519 session_storage_namespace); 1520 } 1521 1522 return true; 1523 } 1524 1525 void Browser::WebContentsCreated(WebContents* source_contents, 1526 int opener_render_frame_id, 1527 const base::string16& frame_name, 1528 const GURL& target_url, 1529 WebContents* new_contents) { 1530 // Adopt the WebContents now, so all observers are in place, as the network 1531 // requests for its initial navigation will start immediately. The WebContents 1532 // will later be inserted into this browser using Browser::Navigate via 1533 // AddNewContents. 1534 TabHelpers::AttachTabHelpers(new_contents); 1535 1536 // Notify. 1537 RetargetingDetails details; 1538 details.source_web_contents = source_contents; 1539 details.source_render_frame_id = opener_render_frame_id; 1540 details.target_url = target_url; 1541 details.target_web_contents = new_contents; 1542 details.not_yet_in_tabstrip = true; 1543 content::NotificationService::current()->Notify( 1544 chrome::NOTIFICATION_RETARGETING, 1545 content::Source<Profile>(profile_), 1546 content::Details<RetargetingDetails>(&details)); 1547 } 1548 1549 void Browser::RendererUnresponsive(WebContents* source) { 1550 // Ignore hangs if a tab is blocked. 1551 int index = tab_strip_model_->GetIndexOfWebContents(source); 1552 DCHECK_NE(TabStripModel::kNoTab, index); 1553 if (tab_strip_model_->IsTabBlocked(index)) 1554 return; 1555 1556 chrome::ShowHungRendererDialog(source); 1557 } 1558 1559 void Browser::RendererResponsive(WebContents* source) { 1560 chrome::HideHungRendererDialog(source); 1561 } 1562 1563 void Browser::WorkerCrashed(WebContents* source) { 1564 SimpleAlertInfoBarDelegate::Create( 1565 InfoBarService::FromWebContents(source), 1566 infobars::InfoBarDelegate::kNoIconID, 1567 l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true); 1568 } 1569 1570 void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) { 1571 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1572 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1573 } 1574 1575 void Browser::DidNavigateToPendingEntry(WebContents* web_contents) { 1576 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1577 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1578 } 1579 1580 content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() { 1581 return GetJavaScriptDialogManagerInstance(); 1582 } 1583 1584 content::ColorChooser* Browser::OpenColorChooser( 1585 WebContents* web_contents, 1586 SkColor initial_color, 1587 const std::vector<content::ColorSuggestion>& suggestions) { 1588 return chrome::ShowColorChooser(web_contents, initial_color); 1589 } 1590 1591 void Browser::RunFileChooser(WebContents* web_contents, 1592 const content::FileChooserParams& params) { 1593 FileSelectHelper::RunFileChooser(web_contents, params); 1594 } 1595 1596 void Browser::EnumerateDirectory(WebContents* web_contents, 1597 int request_id, 1598 const base::FilePath& path) { 1599 FileSelectHelper::EnumerateDirectory(web_contents, request_id, path); 1600 } 1601 1602 bool Browser::EmbedsFullscreenWidget() const { 1603 return !CommandLine::ForCurrentProcess()-> 1604 HasSwitch(switches::kDisableFullscreenWithinTab); 1605 } 1606 1607 void Browser::ToggleFullscreenModeForTab(WebContents* web_contents, 1608 bool enter_fullscreen) { 1609 fullscreen_controller_->ToggleFullscreenModeForTab(web_contents, 1610 enter_fullscreen); 1611 } 1612 1613 bool Browser::IsFullscreenForTabOrPending( 1614 const WebContents* web_contents) const { 1615 return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents); 1616 } 1617 1618 void Browser::RegisterProtocolHandler(WebContents* web_contents, 1619 const std::string& protocol, 1620 const GURL& url, 1621 bool user_gesture) { 1622 Profile* profile = 1623 Profile::FromBrowserContext(web_contents->GetBrowserContext()); 1624 if (profile->IsOffTheRecord()) 1625 return; 1626 1627 ProtocolHandler handler = 1628 ProtocolHandler::CreateProtocolHandler(protocol, url); 1629 1630 ProtocolHandlerRegistry* registry = 1631 ProtocolHandlerRegistryFactory::GetForProfile(profile); 1632 if (registry->SilentlyHandleRegisterHandlerRequest(handler)) 1633 return; 1634 1635 TabSpecificContentSettings* tab_content_settings = 1636 TabSpecificContentSettings::FromWebContents(web_contents); 1637 if (!user_gesture && window_) { 1638 tab_content_settings->set_pending_protocol_handler(handler); 1639 tab_content_settings->set_previous_protocol_handler( 1640 registry->GetHandlerFor(handler.protocol())); 1641 window_->GetLocationBar()->UpdateContentSettingsIcons(); 1642 return; 1643 } 1644 1645 // Make sure content-setting icon is turned off in case the page does 1646 // ungestured and gestured RPH calls. 1647 if (window_) { 1648 tab_content_settings->ClearPendingProtocolHandler(); 1649 window_->GetLocationBar()->UpdateContentSettingsIcons(); 1650 } 1651 1652 PermissionBubbleManager* bubble_manager = 1653 PermissionBubbleManager::FromWebContents(web_contents); 1654 if (PermissionBubbleManager::Enabled() && bubble_manager) { 1655 bubble_manager->AddRequest( 1656 new RegisterProtocolHandlerPermissionRequest(registry, handler, 1657 url, user_gesture)); 1658 } else { 1659 RegisterProtocolHandlerInfoBarDelegate::Create( 1660 InfoBarService::FromWebContents(web_contents), registry, handler); 1661 } 1662 } 1663 1664 void Browser::UpdatePreferredSize(WebContents* source, 1665 const gfx::Size& pref_size) { 1666 window_->UpdatePreferredSize(source, pref_size); 1667 } 1668 1669 void Browser::ResizeDueToAutoResize(WebContents* source, 1670 const gfx::Size& new_size) { 1671 window_->ResizeDueToAutoResize(source, new_size); 1672 } 1673 1674 void Browser::FindReply(WebContents* web_contents, 1675 int request_id, 1676 int number_of_matches, 1677 const gfx::Rect& selection_rect, 1678 int active_match_ordinal, 1679 bool final_update) { 1680 FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); 1681 if (!find_tab_helper) 1682 return; 1683 1684 find_tab_helper->HandleFindReply(request_id, 1685 number_of_matches, 1686 selection_rect, 1687 active_match_ordinal, 1688 final_update); 1689 } 1690 1691 void Browser::RequestToLockMouse(WebContents* web_contents, 1692 bool user_gesture, 1693 bool last_unlocked_by_target) { 1694 fullscreen_controller_->RequestToLockMouse(web_contents, 1695 user_gesture, 1696 last_unlocked_by_target); 1697 } 1698 1699 void Browser::LostMouseLock() { 1700 fullscreen_controller_->LostMouseLock(); 1701 } 1702 1703 void Browser::RequestMediaAccessPermission( 1704 content::WebContents* web_contents, 1705 const content::MediaStreamRequest& request, 1706 const content::MediaResponseCallback& callback) { 1707 ::RequestMediaAccessPermission(web_contents, profile_, request, callback); 1708 } 1709 1710 bool Browser::RequestPpapiBrokerPermission( 1711 WebContents* web_contents, 1712 const GURL& url, 1713 const base::FilePath& plugin_path, 1714 const base::Callback<void(bool)>& callback) { 1715 PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback); 1716 return true; 1717 } 1718 1719 gfx::Size Browser::GetSizeForNewRenderView(WebContents* web_contents) const { 1720 // When navigating away from NTP with unpinned bookmark bar, the bookmark bar 1721 // would disappear on non-NTP pages, resulting in a bigger size for the new 1722 // render view. 1723 gfx::Size size = web_contents->GetContainerBounds().size(); 1724 // Don't change render view size if bookmark bar is currently not detached, 1725 // or there's no pending entry, or navigating to a NTP page. 1726 if (size.IsEmpty() || bookmark_bar_state_ != BookmarkBar::DETACHED) 1727 return size; 1728 const NavigationEntry* pending_entry = 1729 web_contents->GetController().GetPendingEntry(); 1730 if (pending_entry && 1731 !chrome::IsNTPURL(pending_entry->GetVirtualURL(), profile_)) { 1732 size.Enlarge( 1733 0, window()->GetRenderViewHeightInsetWithDetachedBookmarkBar()); 1734 } 1735 return size; 1736 } 1737 1738 /////////////////////////////////////////////////////////////////////////////// 1739 // Browser, CoreTabHelperDelegate implementation: 1740 1741 void Browser::SwapTabContents(content::WebContents* old_contents, 1742 content::WebContents* new_contents, 1743 bool did_start_load, 1744 bool did_finish_load) { 1745 int index = tab_strip_model_->GetIndexOfWebContents(old_contents); 1746 DCHECK_NE(TabStripModel::kNoTab, index); 1747 tab_strip_model_->ReplaceWebContentsAt(index, new_contents); 1748 } 1749 1750 bool Browser::CanReloadContents(content::WebContents* web_contents) const { 1751 return chrome::CanReload(this); 1752 } 1753 1754 bool Browser::CanSaveContents(content::WebContents* web_contents) const { 1755 return chrome::CanSavePage(this); 1756 } 1757 1758 /////////////////////////////////////////////////////////////////////////////// 1759 // Browser, SearchEngineTabHelperDelegate implementation: 1760 1761 void Browser::ConfirmAddSearchProvider(TemplateURL* template_url, 1762 Profile* profile) { 1763 window()->ConfirmAddSearchProvider(template_url, profile); 1764 } 1765 1766 /////////////////////////////////////////////////////////////////////////////// 1767 // Browser, SearchTabHelperDelegate implementation: 1768 1769 void Browser::NavigateOnThumbnailClick(const GURL& url, 1770 WindowOpenDisposition disposition, 1771 content::WebContents* source_contents) { 1772 DCHECK(source_contents); 1773 // We're guaranteed that AUTO_BOOKMARK is the right transition since this only 1774 // gets called to handle clicks in the new tab page (to navigate to most 1775 // visited item URLs) and in the search results page (to navigate to 1776 // privileged destinations (e.g. chrome://URLs)). 1777 // 1778 // TODO(kmadhusu): Page transitions to privileged destinations should be 1779 // marked as "LINK" instead of "AUTO_BOOKMARK"? 1780 chrome::NavigateParams params(this, url, 1781 content::PAGE_TRANSITION_AUTO_BOOKMARK); 1782 params.referrer = content::Referrer(); 1783 params.source_contents = source_contents; 1784 params.disposition = disposition; 1785 params.is_renderer_initiated = false; 1786 params.initiating_profile = profile_; 1787 chrome::Navigate(¶ms); 1788 } 1789 1790 void Browser::OnWebContentsInstantSupportDisabled( 1791 const content::WebContents* web_contents) { 1792 DCHECK(web_contents); 1793 if (tab_strip_model_->GetActiveWebContents() == web_contents) 1794 UpdateToolbar(false); 1795 } 1796 1797 OmniboxView* Browser::GetOmniboxView() { 1798 return window_->GetLocationBar()->GetOmniboxView(); 1799 } 1800 1801 std::set<std::string> Browser::GetOpenUrls() { 1802 history::TopSites* top_sites = profile_->GetTopSites(); 1803 if (!top_sites) // NULL for Incognito profiles. 1804 return std::set<std::string>(); 1805 1806 std::set<std::string> open_urls; 1807 chrome::GetOpenUrls(*tab_strip_model_, *top_sites, &open_urls); 1808 return open_urls; 1809 } 1810 1811 /////////////////////////////////////////////////////////////////////////////// 1812 // Browser, web_modal::WebContentsModalDialogManagerDelegate implementation: 1813 1814 void Browser::SetWebContentsBlocked(content::WebContents* web_contents, 1815 bool blocked) { 1816 int index = tab_strip_model_->GetIndexOfWebContents(web_contents); 1817 if (index == TabStripModel::kNoTab) { 1818 NOTREACHED(); 1819 return; 1820 } 1821 tab_strip_model_->SetTabBlocked(index, blocked); 1822 if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents) 1823 web_contents->Focus(); 1824 } 1825 1826 web_modal::WebContentsModalDialogHost* 1827 Browser::GetWebContentsModalDialogHost() { 1828 return window_->GetWebContentsModalDialogHost(); 1829 } 1830 1831 /////////////////////////////////////////////////////////////////////////////// 1832 // Browser, BookmarkTabHelperDelegate implementation: 1833 1834 void Browser::URLStarredChanged(content::WebContents* web_contents, 1835 bool starred) { 1836 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1837 window_->SetStarredState(starred); 1838 } 1839 1840 /////////////////////////////////////////////////////////////////////////////// 1841 // Browser, ZoomObserver implementation: 1842 1843 void Browser::OnZoomChanged(content::WebContents* source, 1844 bool can_show_bubble) { 1845 if (source == tab_strip_model_->GetActiveWebContents()) { 1846 // Only show the zoom bubble for zoom changes in the active window. 1847 window_->ZoomChangedForActiveTab(can_show_bubble && window_->IsActive() && 1848 !is_devtools()); 1849 } 1850 } 1851 1852 /////////////////////////////////////////////////////////////////////////////// 1853 // Browser, ui::SelectFileDialog::Listener implementation: 1854 1855 void Browser::FileSelected(const base::FilePath& path, int index, 1856 void* params) { 1857 FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params); 1858 } 1859 1860 void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info, 1861 int index, 1862 void* params) { 1863 profile_->set_last_selected_directory(file_info.file_path.DirName()); 1864 1865 GURL url = net::FilePathToFileURL(file_info.local_path); 1866 1867 #if defined(OS_CHROMEOS) 1868 drive::util::MaybeSetDriveURL(profile_, file_info.file_path, &url); 1869 #endif 1870 1871 if (url.is_empty()) 1872 return; 1873 1874 OpenURL(OpenURLParams( 1875 url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false)); 1876 } 1877 1878 /////////////////////////////////////////////////////////////////////////////// 1879 // Browser, content::NotificationObserver implementation: 1880 1881 void Browser::Observe(int type, 1882 const content::NotificationSource& source, 1883 const content::NotificationDetails& details) { 1884 switch (type) { 1885 case chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: { 1886 chrome::UpdateCommandEnabled( 1887 this, 1888 IDC_BOOKMARK_PAGE, 1889 !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); 1890 chrome::UpdateCommandEnabled( 1891 this, 1892 IDC_BOOKMARK_ALL_TABS, 1893 !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); 1894 1895 if (window()->GetLocationBar()) 1896 window()->GetLocationBar()->UpdatePageActions(); 1897 1898 const extensions::UnloadedExtensionInfo* extension_info = 1899 content::Details<extensions::UnloadedExtensionInfo>(details).ptr(); 1900 1901 // Close any tabs from the unloaded extension, unless it's terminated, 1902 // in which case let the sad tabs remain. 1903 if (extension_info->reason != 1904 extensions::UnloadedExtensionInfo::REASON_TERMINATE) { 1905 const Extension* extension = extension_info->extension; 1906 // Iterate backwards as we may remove items while iterating. 1907 for (int i = tab_strip_model_->count() - 1; i >= 0; --i) { 1908 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1909 // Two cases are handled here: 1910 // - The scheme check is for when an extension page is loaded in a 1911 // tab, e.g. chrome-extension://id/page.html. 1912 // - The extension_app check is for apps, which can have non-extension 1913 // schemes, e.g. https://mail.google.com if you have the Gmail app 1914 // installed. 1915 if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) && 1916 web_contents->GetURL().host() == extension->id()) || 1917 (extensions::TabHelper::FromWebContents( 1918 web_contents)->extension_app() == extension)) { 1919 tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE); 1920 } 1921 } 1922 } 1923 break; 1924 } 1925 1926 case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: { 1927 Profile* profile = content::Source<Profile>(source).ptr(); 1928 if (profile_->IsSameProfile(profile) && window()->GetLocationBar()) 1929 window()->GetLocationBar()->InvalidatePageActions(); 1930 break; 1931 } 1932 1933 case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: 1934 chrome::UpdateCommandEnabled( 1935 this, 1936 IDC_BOOKMARK_PAGE, 1937 !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); 1938 chrome::UpdateCommandEnabled( 1939 this, 1940 IDC_BOOKMARK_ALL_TABS, 1941 !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); 1942 // fallthrough 1943 case chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED: 1944 // During window creation on Windows we may end up calling into 1945 // SHAppBarMessage, which internally spawns a nested message loop. This 1946 // makes it possible for us to end up here before window creation has 1947 // completed, at which point window_ is NULL. See 94752 for details. 1948 if (window() && window()->GetLocationBar()) 1949 window()->GetLocationBar()->UpdatePageActions(); 1950 break; 1951 1952 #if defined(ENABLE_THEMES) 1953 case chrome::NOTIFICATION_BROWSER_THEME_CHANGED: 1954 window()->UserChangedTheme(); 1955 break; 1956 #endif 1957 1958 case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: { 1959 WebContents* web_contents = content::Source<WebContents>(source).ptr(); 1960 if (web_contents == tab_strip_model_->GetActiveWebContents()) { 1961 LocationBar* location_bar = window()->GetLocationBar(); 1962 if (location_bar) 1963 location_bar->UpdateContentSettingsIcons(); 1964 } 1965 break; 1966 } 1967 1968 default: 1969 NOTREACHED() << "Got a notification we didn't register for."; 1970 } 1971 } 1972 1973 /////////////////////////////////////////////////////////////////////////////// 1974 // Browser, Command and state updating (private): 1975 1976 void Browser::OnDevToolsDisabledChanged() { 1977 if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled)) 1978 content::DevToolsManager::GetInstance()->CloseAllClientHosts(); 1979 } 1980 1981 /////////////////////////////////////////////////////////////////////////////// 1982 // Browser, UI update coalescing and handling (private): 1983 1984 void Browser::UpdateToolbar(bool should_restore_state) { 1985 window_->UpdateToolbar(should_restore_state ? 1986 tab_strip_model_->GetActiveWebContents() : NULL); 1987 } 1988 1989 void Browser::ScheduleUIUpdate(const WebContents* source, 1990 unsigned changed_flags) { 1991 DCHECK(source); 1992 int index = tab_strip_model_->GetIndexOfWebContents(source); 1993 DCHECK_NE(TabStripModel::kNoTab, index); 1994 1995 // Do some synchronous updates. 1996 if (changed_flags & content::INVALIDATE_TYPE_URL && 1997 source == tab_strip_model_->GetActiveWebContents()) { 1998 // Only update the URL for the current tab. Note that we do not update 1999 // the navigation commands since those would have already been updated 2000 // synchronously by NavigationStateChanged. 2001 UpdateToolbar(false); 2002 changed_flags &= ~content::INVALIDATE_TYPE_URL; 2003 } 2004 if (changed_flags & content::INVALIDATE_TYPE_LOAD) { 2005 // Update the loading state synchronously. This is so the throbber will 2006 // immediately start/stop, which gives a more snappy feel. We want to do 2007 // this for any tab so they start & stop quickly. 2008 tab_strip_model_->UpdateWebContentsStateAt( 2009 tab_strip_model_->GetIndexOfWebContents(source), 2010 TabStripModelObserver::LOADING_ONLY); 2011 // The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too, 2012 // but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from 2013 // changed_flags. 2014 } 2015 2016 if (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) { 2017 // To correctly calculate whether the title changed while not loading 2018 // we need to process the update synchronously. This state only matters for 2019 // the TabStripModel, so we notify the TabStripModel now and notify others 2020 // asynchronously. 2021 tab_strip_model_->UpdateWebContentsStateAt( 2022 tab_strip_model_->GetIndexOfWebContents(source), 2023 TabStripModelObserver::TITLE_NOT_LOADING); 2024 } 2025 2026 // If the only updates were synchronously handled above, we're done. 2027 if (changed_flags == 0) 2028 return; 2029 2030 // Save the dirty bits. 2031 scheduled_updates_[source] |= changed_flags; 2032 2033 if (!chrome_updater_factory_.HasWeakPtrs()) { 2034 // No task currently scheduled, start another. 2035 base::MessageLoop::current()->PostDelayedTask( 2036 FROM_HERE, 2037 base::Bind(&Browser::ProcessPendingUIUpdates, 2038 chrome_updater_factory_.GetWeakPtr()), 2039 base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS)); 2040 } 2041 } 2042 2043 void Browser::ProcessPendingUIUpdates() { 2044 #ifndef NDEBUG 2045 // Validate that all tabs we have pending updates for exist. This is scary 2046 // because the pending list must be kept in sync with any detached or 2047 // deleted tabs. 2048 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 2049 i != scheduled_updates_.end(); ++i) { 2050 bool found = false; 2051 for (int tab = 0; tab < tab_strip_model_->count(); tab++) { 2052 if (tab_strip_model_->GetWebContentsAt(tab) == i->first) { 2053 found = true; 2054 break; 2055 } 2056 } 2057 DCHECK(found); 2058 } 2059 #endif 2060 2061 chrome_updater_factory_.InvalidateWeakPtrs(); 2062 2063 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 2064 i != scheduled_updates_.end(); ++i) { 2065 // Do not dereference |contents|, it may be out-of-date! 2066 const WebContents* contents = i->first; 2067 unsigned flags = i->second; 2068 2069 if (contents == tab_strip_model_->GetActiveWebContents()) { 2070 // Updates that only matter when the tab is selected go here. 2071 2072 if (flags & content::INVALIDATE_TYPE_PAGE_ACTIONS) { 2073 LocationBar* location_bar = window()->GetLocationBar(); 2074 if (location_bar) 2075 location_bar->UpdatePageActions(); 2076 } 2077 // Updating the URL happens synchronously in ScheduleUIUpdate. 2078 if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) { 2079 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 2080 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 2081 } 2082 2083 if (flags & (content::INVALIDATE_TYPE_TAB | 2084 content::INVALIDATE_TYPE_TITLE)) { 2085 window_->UpdateTitleBar(); 2086 } 2087 } 2088 2089 // Updates that don't depend upon the selected state go here. 2090 if (flags & 2091 (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { 2092 tab_strip_model_->UpdateWebContentsStateAt( 2093 tab_strip_model_->GetIndexOfWebContents(contents), 2094 TabStripModelObserver::ALL); 2095 } 2096 2097 // Update the bookmark bar. It may happen that the tab is crashed, and if 2098 // so, the bookmark bar should be hidden. 2099 if (flags & content::INVALIDATE_TYPE_TAB) 2100 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 2101 2102 // We don't need to process INVALIDATE_STATE, since that's not visible. 2103 } 2104 2105 scheduled_updates_.clear(); 2106 } 2107 2108 void Browser::RemoveScheduledUpdatesFor(WebContents* contents) { 2109 if (!contents) 2110 return; 2111 2112 UpdateMap::iterator i = scheduled_updates_.find(contents); 2113 if (i != scheduled_updates_.end()) 2114 scheduled_updates_.erase(i); 2115 } 2116 2117 /////////////////////////////////////////////////////////////////////////////// 2118 // Browser, Getters for UI (private): 2119 2120 StatusBubble* Browser::GetStatusBubble() { 2121 // In kiosk and exclusive app mode, we want to always hide the status bubble. 2122 if (chrome::IsRunningInAppMode()) 2123 return NULL; 2124 2125 return window_ ? window_->GetStatusBubble() : NULL; 2126 } 2127 2128 /////////////////////////////////////////////////////////////////////////////// 2129 // Browser, Session restore functions (private): 2130 2131 void Browser::SyncHistoryWithTabs(int index) { 2132 SessionService* session_service = 2133 SessionServiceFactory::GetForProfileIfExisting(profile()); 2134 if (session_service) { 2135 for (int i = index; i < tab_strip_model_->count(); ++i) { 2136 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 2137 if (web_contents) { 2138 SessionTabHelper* session_tab_helper = 2139 SessionTabHelper::FromWebContents(web_contents); 2140 session_service->SetTabIndexInWindow( 2141 session_id(), session_tab_helper->session_id(), i); 2142 session_service->SetPinnedState( 2143 session_id(), 2144 session_tab_helper->session_id(), 2145 tab_strip_model_->IsTabPinned(i)); 2146 } 2147 } 2148 } 2149 } 2150 2151 /////////////////////////////////////////////////////////////////////////////// 2152 // Browser, In-progress download termination handling (private): 2153 2154 bool Browser::CanCloseWithInProgressDownloads() { 2155 // If we've prompted, we need to hear from the user before we 2156 // can close. 2157 if (cancel_download_confirmation_state_ != NOT_PROMPTED) 2158 return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE; 2159 2160 int num_downloads_blocking; 2161 Browser::DownloadClosePreventionType dialog_type = 2162 OkToCloseWithInProgressDownloads(&num_downloads_blocking); 2163 if (dialog_type == DOWNLOAD_CLOSE_OK) 2164 return true; 2165 2166 // Closing this window will kill some downloads; prompt to make sure 2167 // that's ok. 2168 cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE; 2169 window_->ConfirmBrowserCloseWithPendingDownloads( 2170 num_downloads_blocking, 2171 dialog_type, 2172 false, 2173 base::Bind(&Browser::InProgressDownloadResponse, 2174 weak_factory_.GetWeakPtr())); 2175 2176 // Return false so the browser does not close. We'll close if the user 2177 // confirms in the dialog. 2178 return false; 2179 } 2180 2181 /////////////////////////////////////////////////////////////////////////////// 2182 // Browser, Assorted utility functions (private): 2183 2184 void Browser::SetAsDelegate(WebContents* web_contents, Browser* delegate) { 2185 // WebContents... 2186 web_contents->SetDelegate(delegate); 2187 2188 // ...and all the helpers. 2189 BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2190 WebContentsModalDialogManager::FromWebContents(web_contents)-> 2191 SetDelegate(delegate); 2192 CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2193 SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2194 SearchTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2195 ZoomController::FromWebContents(web_contents)->set_observer(delegate); 2196 ChromeTranslateClient* chrome_translate_client = 2197 ChromeTranslateClient::FromWebContents(web_contents); 2198 chrome_translate_client->translate_driver().set_observer( 2199 delegate ? delegate->translate_driver_observer_.get() : NULL); 2200 } 2201 2202 void Browser::CloseFrame() { 2203 window_->Close(); 2204 } 2205 2206 void Browser::TabDetachedAtImpl(content::WebContents* contents, 2207 int index, 2208 DetachType type) { 2209 if (type == DETACH_TYPE_DETACH) { 2210 // Save the current location bar state, but only if the tab being detached 2211 // is the selected tab. Because saving state can conditionally revert the 2212 // location bar, saving the current tab's location bar state to a 2213 // non-selected tab can corrupt both tabs. 2214 if (contents == tab_strip_model_->GetActiveWebContents()) { 2215 LocationBar* location_bar = window()->GetLocationBar(); 2216 if (location_bar) 2217 location_bar->SaveStateToContents(contents); 2218 } 2219 2220 if (!tab_strip_model_->closing_all()) 2221 SyncHistoryWithTabs(0); 2222 } 2223 2224 SetAsDelegate(contents, NULL); 2225 RemoveScheduledUpdatesFor(contents); 2226 2227 if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) { 2228 find_bar_controller_->ChangeWebContents(NULL); 2229 } 2230 2231 // Stop observing search model changes for this tab. 2232 search_delegate_->OnTabDetached(contents); 2233 2234 for (size_t i = 0; i < interstitial_observers_.size(); i++) { 2235 if (interstitial_observers_[i]->web_contents() != contents) 2236 continue; 2237 2238 delete interstitial_observers_[i]; 2239 interstitial_observers_.erase(interstitial_observers_.begin() + i); 2240 return; 2241 } 2242 } 2243 2244 bool Browser::ShouldShowLocationBar() const { 2245 // Tabbed browser always show a location bar. 2246 if (is_type_tabbed()) 2247 return true; 2248 2249 if (is_app()) { 2250 if (CommandLine::ForCurrentProcess()->HasSwitch( 2251 switches::kEnableStreamlinedHostedApps)) { 2252 // If kEnableStreamlinedHostedApps is true, show the location bar for 2253 // bookmark apps. 2254 ExtensionService* service = 2255 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2256 const extensions::Extension* extension = 2257 service ? service->GetInstalledExtension( 2258 web_app::GetExtensionIdFromApplicationName(app_name())) 2259 : NULL; 2260 return (!extension || extension->from_bookmark()) && 2261 app_name() != DevToolsWindow::kDevToolsApp; 2262 } else { 2263 return false; 2264 } 2265 } 2266 2267 // Trusted app windows and system windows never show a location bar. 2268 return !is_trusted_source(); 2269 } 2270 2271 bool Browser::SupportsWindowFeatureImpl(WindowFeature feature, 2272 bool check_fullscreen) const { 2273 bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen(); 2274 2275 unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF; 2276 2277 if (is_type_tabbed()) 2278 features |= FEATURE_BOOKMARKBAR; 2279 2280 if (!hide_ui_for_fullscreen) { 2281 if (!is_type_tabbed()) 2282 features |= FEATURE_TITLEBAR; 2283 2284 if (is_type_tabbed()) 2285 features |= FEATURE_TABSTRIP; 2286 2287 if (is_type_tabbed()) 2288 features |= FEATURE_TOOLBAR; 2289 2290 if (ShouldShowLocationBar()) 2291 features |= FEATURE_LOCATIONBAR; 2292 } 2293 return !!(features & feature); 2294 } 2295 2296 void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) { 2297 BookmarkBar::State state; 2298 // The bookmark bar is always hidden for Guest Sessions and in fullscreen 2299 // mode, unless on the new tab page. 2300 if (profile_->IsGuestSession()) { 2301 state = BookmarkBar::HIDDEN; 2302 } else if (browser_defaults::bookmarks_enabled && 2303 profile_->GetPrefs()->GetBoolean(prefs::kShowBookmarkBar) && 2304 !ShouldHideUIForFullscreen()) { 2305 state = BookmarkBar::SHOW; 2306 } else { 2307 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 2308 BookmarkTabHelper* bookmark_tab_helper = 2309 web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL; 2310 if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar()) 2311 state = BookmarkBar::DETACHED; 2312 else 2313 state = BookmarkBar::HIDDEN; 2314 } 2315 2316 if (state == bookmark_bar_state_) 2317 return; 2318 2319 bookmark_bar_state_ = state; 2320 2321 if (!window_) 2322 return; // This is called from the constructor when window_ is NULL. 2323 2324 if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) { 2325 // Don't notify BrowserWindow on a tab switch as at the time this is invoked 2326 // BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations 2327 // end up querying state once they process the tab switch. 2328 return; 2329 } 2330 2331 bool shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE; 2332 window_->BookmarkBarStateChanged(shouldAnimate ? 2333 BookmarkBar::ANIMATE_STATE_CHANGE : 2334 BookmarkBar::DONT_ANIMATE_STATE_CHANGE); 2335 } 2336 2337 bool Browser::ShouldHideUIForFullscreen() const { 2338 // Windows and GTK remove the top controls in fullscreen, but Mac and Ash 2339 // keep the controls in a slide-down panel. 2340 return window_ && window_->ShouldHideUIForFullscreen(); 2341 } 2342 2343 bool Browser::MaybeCreateBackgroundContents( 2344 int route_id, 2345 WebContents* opener_web_contents, 2346 const base::string16& frame_name, 2347 const GURL& target_url, 2348 const std::string& partition_id, 2349 content::SessionStorageNamespace* session_storage_namespace) { 2350 GURL opener_url = opener_web_contents->GetURL(); 2351 ExtensionService* extensions_service = 2352 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2353 2354 if (!opener_url.is_valid() || 2355 frame_name.empty() || 2356 !extensions_service || 2357 !extensions_service->is_ready()) 2358 return false; 2359 2360 // Only hosted apps have web extents, so this ensures that only hosted apps 2361 // can create BackgroundContents. We don't have to check for background 2362 // permission as that is checked in RenderMessageFilter when the CreateWindow 2363 // message is processed. 2364 const Extension* extension = 2365 extensions_service->extensions()->GetHostedAppByURL(opener_url); 2366 if (!extension) 2367 return false; 2368 2369 // No BackgroundContents allowed if BackgroundContentsService doesn't exist. 2370 BackgroundContentsService* service = 2371 BackgroundContentsServiceFactory::GetForProfile(profile_); 2372 if (!service) 2373 return false; 2374 2375 // Ensure that we're trying to open this from the extension's process. 2376 SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance(); 2377 extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile_); 2378 if (!opener_site_instance->GetProcess() || 2379 !process_map->Contains( 2380 extension->id(), opener_site_instance->GetProcess()->GetID())) { 2381 return false; 2382 } 2383 2384 // Only allow a single background contents per app. 2385 bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension); 2386 BackgroundContents* existing = 2387 service->GetAppBackgroundContents(base::ASCIIToUTF16(extension->id())); 2388 if (existing) { 2389 // For non-scriptable background contents, ignore the request altogether, 2390 // (returning true, so that a regular WebContents isn't created either). 2391 if (!allow_js_access) 2392 return true; 2393 // For scriptable background pages, if one already exists, close it (even 2394 // if it was specified in the manifest). 2395 delete existing; 2396 } 2397 2398 // If script access is not allowed, create the the background contents in a 2399 // new SiteInstance, so that a separate process is used. 2400 scoped_refptr<content::SiteInstance> site_instance = 2401 allow_js_access ? 2402 opener_site_instance : 2403 content::SiteInstance::Create(opener_web_contents->GetBrowserContext()); 2404 2405 // Passed all the checks, so this should be created as a BackgroundContents. 2406 BackgroundContents* contents = 2407 service->CreateBackgroundContents(site_instance.get(), 2408 route_id, 2409 profile_, 2410 frame_name, 2411 base::ASCIIToUTF16(extension->id()), 2412 partition_id, 2413 session_storage_namespace); 2414 2415 // When a separate process is used, the original renderer cannot access the 2416 // new window later, thus we need to navigate the window now. 2417 if (contents && !allow_js_access) { 2418 contents->web_contents()->GetController().LoadURL( 2419 target_url, 2420 content::Referrer(), 2421 content::PAGE_TRANSITION_LINK, 2422 std::string()); // No extra headers. 2423 } 2424 2425 return contents != NULL; 2426 } 2427
