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/api/tabs/tabs_event_router.h" 54 #include "chrome/browser/extensions/api/tabs/tabs_windows_api.h" 55 #include "chrome/browser/extensions/browser_extension_window_controller.h" 56 #include "chrome/browser/extensions/extension_service.h" 57 #include "chrome/browser/extensions/extension_util.h" 58 #include "chrome/browser/extensions/tab_helper.h" 59 #include "chrome/browser/favicon/favicon_tab_helper.h" 60 #include "chrome/browser/file_select_helper.h" 61 #include "chrome/browser/first_run/first_run.h" 62 #include "chrome/browser/history/top_sites.h" 63 #include "chrome/browser/infobars/infobar_service.h" 64 #include "chrome/browser/infobars/simple_alert_infobar_delegate.h" 65 #include "chrome/browser/lifetime/application_lifetime.h" 66 #include "chrome/browser/notifications/notification_ui_manager.h" 67 #include "chrome/browser/pepper_broker_infobar_delegate.h" 68 #include "chrome/browser/prefs/incognito_mode_prefs.h" 69 #include "chrome/browser/profiles/profile.h" 70 #include "chrome/browser/profiles/profile_destroyer.h" 71 #include "chrome/browser/profiles/profile_metrics.h" 72 #include "chrome/browser/repost_form_warning_controller.h" 73 #include "chrome/browser/search/search.h" 74 #include "chrome/browser/sessions/session_service.h" 75 #include "chrome/browser/sessions/session_service_factory.h" 76 #include "chrome/browser/sessions/session_tab_helper.h" 77 #include "chrome/browser/sessions/session_types.h" 78 #include "chrome/browser/sessions/tab_restore_service.h" 79 #include "chrome/browser/sessions/tab_restore_service_factory.h" 80 #include "chrome/browser/sync/profile_sync_service.h" 81 #include "chrome/browser/sync/profile_sync_service_factory.h" 82 #include "chrome/browser/sync/sync_ui_util.h" 83 #include "chrome/browser/tab_contents/background_contents.h" 84 #include "chrome/browser/tab_contents/retargeting_details.h" 85 #include "chrome/browser/tab_contents/tab_util.h" 86 #include "chrome/browser/themes/theme_service.h" 87 #include "chrome/browser/themes/theme_service_factory.h" 88 #include "chrome/browser/translate/chrome_translate_client.h" 89 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h" 90 #include "chrome/browser/ui/autofill/chrome_autofill_client.h" 91 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h" 92 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" 93 #include "chrome/browser/ui/bookmarks/bookmark_utils.h" 94 #include "chrome/browser/ui/browser_command_controller.h" 95 #include "chrome/browser/ui/browser_commands.h" 96 #include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h" 97 #include "chrome/browser/ui/browser_content_translate_driver_observer.h" 98 #include "chrome/browser/ui/browser_dialogs.h" 99 #include "chrome/browser/ui/browser_finder.h" 100 #include "chrome/browser/ui/browser_instant_controller.h" 101 #include "chrome/browser/ui/browser_iterator.h" 102 #include "chrome/browser/ui/browser_list.h" 103 #include "chrome/browser/ui/browser_navigator.h" 104 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h" 105 #include "chrome/browser/ui/browser_tab_strip_model_delegate.h" 106 #include "chrome/browser/ui/browser_tabstrip.h" 107 #include "chrome/browser/ui/browser_toolbar_model_delegate.h" 108 #include "chrome/browser/ui/browser_ui_prefs.h" 109 #include "chrome/browser/ui/browser_window.h" 110 #include "chrome/browser/ui/chrome_pages.h" 111 #include "chrome/browser/ui/chrome_select_file_policy.h" 112 #include "chrome/browser/ui/fast_unload_controller.h" 113 #include "chrome/browser/ui/find_bar/find_bar.h" 114 #include "chrome/browser/ui/find_bar/find_bar_controller.h" 115 #include "chrome/browser/ui/find_bar/find_tab_helper.h" 116 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h" 117 #include "chrome/browser/ui/global_error/global_error.h" 118 #include "chrome/browser/ui/global_error/global_error_service.h" 119 #include "chrome/browser/ui/global_error/global_error_service_factory.h" 120 #include "chrome/browser/ui/location_bar/location_bar.h" 121 #include "chrome/browser/ui/media_utils.h" 122 #include "chrome/browser/ui/search/search_delegate.h" 123 #include "chrome/browser/ui/search/search_model.h" 124 #include "chrome/browser/ui/search/search_tab_helper.h" 125 #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h" 126 #include "chrome/browser/ui/settings_window_manager.h" 127 #include "chrome/browser/ui/singleton_tabs.h" 128 #include "chrome/browser/ui/status_bubble.h" 129 #include "chrome/browser/ui/sync/browser_synced_window_delegate.h" 130 #include "chrome/browser/ui/tab_contents/core_tab_helper.h" 131 #include "chrome/browser/ui/tab_helpers.h" 132 #include "chrome/browser/ui/tab_modal_confirm_dialog.h" 133 #include "chrome/browser/ui/tabs/tab_menu_model.h" 134 #include "chrome/browser/ui/tabs/tab_strip_model.h" 135 #include "chrome/browser/ui/tabs/tab_strip_model_utils.h" 136 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h" 137 #include "chrome/browser/ui/unload_controller.h" 138 #include "chrome/browser/ui/validation_message_bubble.h" 139 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h" 140 #include "chrome/browser/ui/webui/signin/login_ui_service.h" 141 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h" 142 #include "chrome/browser/ui/window_sizer/window_sizer.h" 143 #include "chrome/browser/ui/zoom/zoom_controller.h" 144 #include "chrome/browser/upgrade_detector.h" 145 #include "chrome/browser/web_applications/web_app.h" 146 #include "chrome/common/chrome_constants.h" 147 #include "chrome/common/chrome_switches.h" 148 #include "chrome/common/custom_handlers/protocol_handler.h" 149 #include "chrome/common/pref_names.h" 150 #include "chrome/common/profiling.h" 151 #include "chrome/common/search_types.h" 152 #include "chrome/common/url_constants.h" 153 #include "chrome/grit/chromium_strings.h" 154 #include "chrome/grit/generated_resources.h" 155 #include "chrome/grit/locale_settings.h" 156 #include "components/bookmarks/browser/bookmark_model.h" 157 #include "components/bookmarks/browser/bookmark_utils.h" 158 #include "components/google/core/browser/google_url_tracker.h" 159 #include "components/search/search.h" 160 #include "components/startup_metric_utils/startup_metric_utils.h" 161 #include "components/web_modal/popup_manager.h" 162 #include "components/web_modal/web_contents_modal_dialog_manager.h" 163 #include "content/public/browser/devtools_agent_host.h" 164 #include "content/public/browser/download_item.h" 165 #include "content/public/browser/download_manager.h" 166 #include "content/public/browser/interstitial_page.h" 167 #include "content/public/browser/invalidate_type.h" 168 #include "content/public/browser/navigation_controller.h" 169 #include "content/public/browser/navigation_entry.h" 170 #include "content/public/browser/notification_details.h" 171 #include "content/public/browser/notification_service.h" 172 #include "content/public/browser/plugin_service.h" 173 #include "content/public/browser/render_process_host.h" 174 #include "content/public/browser/render_view_host.h" 175 #include "content/public/browser/render_widget_host_view.h" 176 #include "content/public/browser/site_instance.h" 177 #include "content/public/browser/user_metrics.h" 178 #include "content/public/browser/web_contents.h" 179 #include "content/public/common/content_switches.h" 180 #include "content/public/common/page_zoom.h" 181 #include "content/public/common/renderer_preferences.h" 182 #include "content/public/common/webplugininfo.h" 183 #include "extensions/browser/extension_prefs.h" 184 #include "extensions/browser/extension_system.h" 185 #include "extensions/common/constants.h" 186 #include "extensions/common/extension.h" 187 #include "extensions/common/manifest_handlers/background_info.h" 188 #include "net/base/filename_util.h" 189 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" 190 #include "net/cookies/cookie_monster.h" 191 #include "net/url_request/url_request_context.h" 192 #include "third_party/WebKit/public/web/WebWindowFeatures.h" 193 #include "ui/base/l10n/l10n_util.h" 194 #include "ui/base/window_open_disposition.h" 195 #include "ui/gfx/point.h" 196 #include "ui/shell_dialogs/selected_file_info.h" 197 198 #if defined(OS_WIN) 199 #include "base/win/metro.h" 200 #include "chrome/browser/ssl/ssl_error_info.h" 201 #include "chrome/browser/task_manager/task_manager.h" 202 #include "chrome/browser/ui/view_ids.h" 203 #include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h" 204 #include "ui/base/win/shell.h" 205 #endif // OS_WIN 206 207 #if defined(OS_CHROMEOS) 208 #include "chrome/browser/chromeos/fileapi/external_file_url_util.h" 209 #endif 210 211 #if defined(USE_ASH) 212 #include "ash/ash_switches.h" 213 #endif 214 215 using base::TimeDelta; 216 using base::UserMetricsAction; 217 using content::NativeWebKeyboardEvent; 218 using content::NavigationController; 219 using content::NavigationEntry; 220 using content::OpenURLParams; 221 using content::PluginService; 222 using content::Referrer; 223 using content::RenderWidgetHostView; 224 using content::SiteInstance; 225 using content::WebContents; 226 using extensions::Extension; 227 using ui::WebDialogDelegate; 228 using web_modal::WebContentsModalDialogManager; 229 using blink::WebWindowFeatures; 230 231 /////////////////////////////////////////////////////////////////////////////// 232 233 namespace { 234 235 // How long we wait before updating the browser chrome while loading a page. 236 const int kUIUpdateCoalescingTimeMS = 200; 237 238 BrowserWindow* CreateBrowserWindow(Browser* browser) { 239 return BrowserWindow::CreateBrowserWindow(browser); 240 } 241 242 // Is the fast tab unload experiment enabled? 243 bool IsFastTabUnloadEnabled() { 244 return CommandLine::ForCurrentProcess()->HasSwitch( 245 switches::kEnableFastUnload); 246 } 247 248 } // namespace 249 250 //////////////////////////////////////////////////////////////////////////////// 251 // Browser, CreateParams: 252 253 Browser::CreateParams::CreateParams(Profile* profile, 254 chrome::HostDesktopType host_desktop_type) 255 : type(TYPE_TABBED), 256 profile(profile), 257 host_desktop_type(host_desktop_type), 258 trusted_source(false), 259 initial_show_state(ui::SHOW_STATE_DEFAULT), 260 is_session_restore(false), 261 window(NULL) { 262 } 263 264 Browser::CreateParams::CreateParams(Type type, 265 Profile* profile, 266 chrome::HostDesktopType host_desktop_type) 267 : type(type), 268 profile(profile), 269 host_desktop_type(host_desktop_type), 270 trusted_source(false), 271 initial_show_state(ui::SHOW_STATE_DEFAULT), 272 is_session_restore(false), 273 window(NULL) { 274 } 275 276 // static 277 Browser::CreateParams Browser::CreateParams::CreateForApp( 278 const std::string& app_name, 279 bool trusted_source, 280 const gfx::Rect& window_bounds, 281 Profile* profile, 282 chrome::HostDesktopType host_desktop_type) { 283 DCHECK(!app_name.empty()); 284 285 CreateParams params(TYPE_POPUP, profile, host_desktop_type); 286 params.app_name = app_name; 287 params.trusted_source = trusted_source; 288 params.initial_bounds = window_bounds; 289 290 return params; 291 } 292 293 // static 294 Browser::CreateParams Browser::CreateParams::CreateForDevTools( 295 Profile* profile, 296 chrome::HostDesktopType host_desktop_type) { 297 CreateParams params(TYPE_POPUP, profile, host_desktop_type); 298 params.app_name = DevToolsWindow::kDevToolsApp; 299 params.trusted_source = true; 300 return params; 301 } 302 303 //////////////////////////////////////////////////////////////////////////////// 304 // Browser, InterstitialObserver: 305 306 class Browser::InterstitialObserver : public content::WebContentsObserver { 307 public: 308 InterstitialObserver(Browser* browser, content::WebContents* web_contents) 309 : WebContentsObserver(web_contents), 310 browser_(browser) { 311 } 312 313 virtual void DidAttachInterstitialPage() OVERRIDE { 314 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 315 } 316 317 virtual void DidDetachInterstitialPage() OVERRIDE { 318 browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 319 } 320 321 private: 322 Browser* browser_; 323 324 DISALLOW_COPY_AND_ASSIGN(InterstitialObserver); 325 }; 326 327 /////////////////////////////////////////////////////////////////////////////// 328 // Browser, Constructors, Creation, Showing: 329 330 Browser::Browser(const CreateParams& params) 331 : type_(params.type), 332 profile_(params.profile), 333 window_(NULL), 334 tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)), 335 tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(), 336 params.profile)), 337 app_name_(params.app_name), 338 is_trusted_source_(params.trusted_source), 339 cancel_download_confirmation_state_(NOT_PROMPTED), 340 override_bounds_(params.initial_bounds), 341 initial_show_state_(params.initial_show_state), 342 is_session_restore_(params.is_session_restore), 343 host_desktop_type_(BrowserWindow::AdjustHostDesktopType( 344 params.host_desktop_type)), 345 content_setting_bubble_model_delegate_( 346 new BrowserContentSettingBubbleModelDelegate(this)), 347 toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)), 348 tab_restore_service_delegate_(new BrowserTabRestoreServiceDelegate(this)), 349 synced_window_delegate_(new BrowserSyncedWindowDelegate(this)), 350 bookmark_bar_state_(BookmarkBar::HIDDEN), 351 command_controller_(new chrome::BrowserCommandController(this)), 352 window_has_shown_(false), 353 chrome_updater_factory_(this), 354 translate_driver_observer_( 355 new BrowserContentTranslateDriverObserver(this)), 356 weak_factory_(this) { 357 // If this causes a crash then a window is being opened using a profile type 358 // that is disallowed by policy. The crash prevents the disabled window type 359 // from opening at all, but the path that triggered it should be fixed. 360 CHECK(IncognitoModePrefs::CanOpenBrowser(profile_)); 361 CHECK(!profile_->IsGuestSession() || profile_->IsOffTheRecord()) 362 << "Only off the record browser may be opened in guest mode"; 363 364 // TODO(jeremy): Move to initializer list once flag is removed. 365 if (IsFastTabUnloadEnabled()) 366 fast_unload_controller_.reset(new chrome::FastUnloadController(this)); 367 else 368 unload_controller_.reset(new chrome::UnloadController(this)); 369 370 tab_strip_model_->AddObserver(this); 371 372 toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get())); 373 search_model_.reset(new SearchModel()); 374 search_delegate_.reset(new SearchDelegate(search_model_.get())); 375 376 registrar_.Add(this, 377 extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, 378 content::Source<Profile>(profile_->GetOriginalProfile())); 379 registrar_.Add(this, 380 extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED, 381 content::Source<Profile>(profile_->GetOriginalProfile())); 382 registrar_.Add(this, 383 extensions::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED, 384 content::Source<Profile>(profile_->GetOriginalProfile())); 385 registrar_.Add(this, 386 extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED, 387 content::NotificationService::AllSources()); 388 #if defined(ENABLE_THEMES) 389 registrar_.Add( 390 this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 391 content::Source<ThemeService>( 392 ThemeServiceFactory::GetForProfile(profile_))); 393 #endif 394 registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED, 395 content::NotificationService::AllSources()); 396 397 profile_pref_registrar_.Init(profile_->GetPrefs()); 398 profile_pref_registrar_.Add( 399 prefs::kDevToolsDisabled, 400 base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this))); 401 profile_pref_registrar_.Add( 402 bookmarks::prefs::kShowBookmarkBar, 403 base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this), 404 BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE)); 405 406 BrowserList::AddBrowser(this); 407 408 // NOTE: These prefs all need to be explicitly destroyed in the destructor 409 // or you'll get a nasty surprise when you run the incognito tests. 410 encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector, 411 profile_->GetPrefs()); 412 413 if (chrome::IsInstantExtendedAPIEnabled() && is_type_tabbed()) 414 instant_controller_.reset(new BrowserInstantController(this)); 415 416 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT); 417 418 ProfileMetrics::LogProfileLaunch(profile_); 419 420 window_ = params.window ? params.window : CreateBrowserWindow(this); 421 422 // Create the extension window controller before sending notifications. 423 extension_window_controller_.reset( 424 new BrowserExtensionWindowController(this)); 425 426 SessionService* session_service = 427 SessionServiceFactory::GetForProfileForSessionRestore(profile_); 428 if (session_service) 429 session_service->WindowOpened(this); 430 431 // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and 432 // replace uses of this with BL's notifications. 433 content::NotificationService::current()->Notify( 434 chrome::NOTIFICATION_BROWSER_WINDOW_READY, 435 content::Source<Browser>(this), 436 content::NotificationService::NoDetails()); 437 438 // TODO(beng): move to ChromeBrowserMain: 439 if (first_run::ShouldDoPersonalDataManagerFirstRun()) { 440 #if defined(OS_WIN) 441 // Notify PDM that this is a first run. 442 ImportAutofillDataWin( 443 autofill::PersonalDataManagerFactory::GetForProfile(profile_)); 444 #endif // defined(OS_WIN) 445 } 446 447 fullscreen_controller_.reset(new FullscreenController(this)); 448 449 // Must be initialized after window_. 450 // Also: surprise! a modal dialog host is not necessary to host modal dialogs 451 // without a modal dialog host, so that value may be null. 452 popup_manager_.reset(new web_modal::PopupManager( 453 GetWebContentsModalDialogHost())); 454 } 455 456 Browser::~Browser() { 457 // Stop observing notifications before continuing with destruction. Profile 458 // destruction will unload extensions and reentrant calls to Browser:: should 459 // be avoided while it is being torn down. 460 registrar_.RemoveAll(); 461 462 // The tab strip should not have any tabs at this point. 463 DCHECK(tab_strip_model_->empty()); 464 tab_strip_model_->RemoveObserver(this); 465 466 // Destroy the BrowserCommandController before removing the browser, so that 467 // it doesn't act on any notifications that are sent as a result of removing 468 // the browser. 469 command_controller_.reset(); 470 BrowserList::RemoveBrowser(this); 471 472 SessionService* session_service = 473 SessionServiceFactory::GetForProfile(profile_); 474 if (session_service) 475 session_service->WindowClosed(session_id_); 476 477 TabRestoreService* tab_restore_service = 478 TabRestoreServiceFactory::GetForProfile(profile()); 479 if (tab_restore_service) 480 tab_restore_service->BrowserClosed(tab_restore_service_delegate()); 481 482 #if !defined(OS_MACOSX) 483 if (!chrome::GetTotalBrowserCountForProfile(profile_)) { 484 // We're the last browser window with this profile. We need to nuke the 485 // TabRestoreService, which will start the shutdown of the 486 // NavigationControllers and allow for proper shutdown. If we don't do this 487 // chrome won't shutdown cleanly, and may end up crashing when some 488 // thread tries to use the IO thread (or another thread) that is no longer 489 // valid. 490 // This isn't a valid assumption for Mac OS, as it stays running after 491 // the last browser has closed. The Mac equivalent is in its app 492 // controller. 493 TabRestoreServiceFactory::ResetForProfile(profile_); 494 } 495 #endif 496 497 profile_pref_registrar_.RemoveAll(); 498 499 encoding_auto_detect_.Destroy(); 500 501 // Destroy BrowserExtensionWindowController before the incognito profile 502 // is destroyed to make sure the chrome.windows.onRemoved event is sent. 503 extension_window_controller_.reset(); 504 505 // Destroy BrowserInstantController before the incongnito profile is destroyed 506 // because the InstantController destructor depends on this profile. 507 instant_controller_.reset(); 508 509 if (profile_->IsOffTheRecord() && 510 !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) { 511 // An incognito profile is no longer needed, this indirectly frees 512 // its cache and cookies once it gets destroyed at the appropriate time. 513 ProfileDestroyer::DestroyProfileWhenAppropriate(profile_); 514 } 515 516 // There may be pending file dialogs, we need to tell them that we've gone 517 // away so they don't try and call back to us. 518 if (select_file_dialog_.get()) 519 select_file_dialog_->ListenerDestroyed(); 520 521 int num_downloads; 522 if (OkToCloseWithInProgressDownloads(&num_downloads) == 523 DOWNLOAD_CLOSE_BROWSER_SHUTDOWN && 524 !browser_defaults::kBrowserAliveWithNoWindows) { 525 DownloadService::CancelAllDownloads(); 526 } 527 } 528 529 /////////////////////////////////////////////////////////////////////////////// 530 // Getters & Setters 531 532 FindBarController* Browser::GetFindBarController() { 533 if (!find_bar_controller_.get()) { 534 FindBar* find_bar = window_->CreateFindBar(); 535 find_bar_controller_.reset(new FindBarController(find_bar)); 536 find_bar->SetFindBarController(find_bar_controller_.get()); 537 find_bar_controller_->ChangeWebContents( 538 tab_strip_model_->GetActiveWebContents()); 539 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 540 } 541 return find_bar_controller_.get(); 542 } 543 544 bool Browser::HasFindBarController() const { 545 return find_bar_controller_.get() != NULL; 546 } 547 548 bool Browser::is_app() const { 549 return !app_name_.empty(); 550 } 551 552 bool Browser::is_devtools() const { 553 return app_name_ == DevToolsWindow::kDevToolsApp; 554 } 555 556 /////////////////////////////////////////////////////////////////////////////// 557 // Browser, State Storage and Retrieval for UI: 558 559 gfx::Image Browser::GetCurrentPageIcon() const { 560 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 561 // |web_contents| can be NULL since GetCurrentPageIcon() is called by the 562 // window during the window's creation (before tabs have been added). 563 FaviconTabHelper* favicon_tab_helper = 564 web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL; 565 return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image(); 566 } 567 568 base::string16 Browser::GetWindowTitleForCurrentTab() const { 569 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 570 base::string16 title; 571 572 // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the 573 // window during the window's creation (before tabs have been added). 574 if (contents) { 575 // Streamlined hosted apps use the host instead of the title. 576 if (is_app() && extensions::util::IsStreamlinedHostedAppsEnabled()) 577 return base::UTF8ToUTF16(contents->GetURL().host()); 578 579 title = contents->GetTitle(); 580 FormatTitleForDisplay(&title); 581 } 582 if (title.empty()) 583 title = CoreTabHelper::GetDefaultTitle(); 584 585 #if defined(OS_MACOSX) 586 // On Mac, we don't want to suffix the page title with 587 // the application name. 588 return title; 589 #elif defined(USE_ASH) 590 // On Ash, we don't want to suffix the page title with the application name, 591 // but on Windows, where USE_ASH can also be true, we still want the prefix 592 // on desktop. 593 if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) 594 return title; 595 #endif 596 // Don't append the app name to window titles on app frames and app popups 597 return is_app() ? 598 title : 599 l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title); 600 } 601 602 // static 603 void Browser::FormatTitleForDisplay(base::string16* title) { 604 size_t current_index = 0; 605 size_t match_index; 606 while ((match_index = title->find(L'\n', current_index)) != 607 base::string16::npos) { 608 title->replace(match_index, 1, base::string16()); 609 current_index = match_index; 610 } 611 } 612 613 /////////////////////////////////////////////////////////////////////////////// 614 // Browser, OnBeforeUnload handling: 615 616 bool Browser::ShouldCloseWindow() { 617 if (!CanCloseWithInProgressDownloads()) 618 return false; 619 620 if (IsFastTabUnloadEnabled()) 621 return fast_unload_controller_->ShouldCloseWindow(); 622 return unload_controller_->ShouldCloseWindow(); 623 } 624 625 bool Browser::CallBeforeUnloadHandlers( 626 const base::Callback<void(bool)>& on_close_confirmed) { 627 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 628 if (IsFastTabUnloadEnabled()) { 629 return fast_unload_controller_->CallBeforeUnloadHandlers( 630 on_close_confirmed); 631 } 632 return unload_controller_->CallBeforeUnloadHandlers(on_close_confirmed); 633 } 634 635 void Browser::ResetBeforeUnloadHandlers() { 636 cancel_download_confirmation_state_ = NOT_PROMPTED; 637 if (IsFastTabUnloadEnabled()) 638 fast_unload_controller_->ResetBeforeUnloadHandlers(); 639 else 640 unload_controller_->ResetBeforeUnloadHandlers(); 641 } 642 643 bool Browser::HasCompletedUnloadProcessing() const { 644 DCHECK(IsFastTabUnloadEnabled()); 645 return fast_unload_controller_->HasCompletedUnloadProcessing(); 646 } 647 648 bool Browser::IsAttemptingToCloseBrowser() const { 649 if (IsFastTabUnloadEnabled()) 650 return fast_unload_controller_->is_attempting_to_close_browser(); 651 return unload_controller_->is_attempting_to_close_browser(); 652 } 653 654 void Browser::OnWindowClosing() { 655 if (!ShouldCloseWindow()) 656 return; 657 658 // Application should shutdown on last window close if the user is explicitly 659 // trying to quit, or if there is nothing keeping the browser alive (such as 660 // AppController on the Mac, or BackgroundContentsService for background 661 // pages). 662 bool should_quit_if_last_browser = 663 browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive(); 664 665 if (should_quit_if_last_browser && chrome::ShouldStartShutdown(this)) 666 browser_shutdown::OnShutdownStarting(browser_shutdown::WINDOW_CLOSE); 667 668 // Don't use GetForProfileIfExisting here, we want to force creation of the 669 // session service so that user can restore what was open. 670 SessionService* session_service = 671 SessionServiceFactory::GetForProfile(profile()); 672 if (session_service) 673 session_service->WindowClosing(session_id()); 674 675 TabRestoreService* tab_restore_service = 676 TabRestoreServiceFactory::GetForProfile(profile()); 677 678 #if defined(USE_AURA) 679 if (tab_restore_service && is_app() && !is_devtools()) 680 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 681 #endif 682 683 if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count()) 684 tab_restore_service->BrowserClosing(tab_restore_service_delegate()); 685 686 // TODO(sky): convert session/tab restore to use notification. 687 content::NotificationService::current()->Notify( 688 chrome::NOTIFICATION_BROWSER_CLOSING, 689 content::Source<Browser>(this), 690 content::NotificationService::NoDetails()); 691 692 if (!IsFastTabUnloadEnabled()) 693 tab_strip_model_->CloseAllTabs(); 694 } 695 696 //////////////////////////////////////////////////////////////////////////////// 697 // In-progress download termination handling: 698 699 void Browser::InProgressDownloadResponse(bool cancel_downloads) { 700 if (cancel_downloads) { 701 cancel_download_confirmation_state_ = RESPONSE_RECEIVED; 702 chrome::CloseWindow(this); 703 return; 704 } 705 706 // Sets the confirmation state to NOT_PROMPTED so that if the user tries to 707 // close again we'll show the warning again. 708 cancel_download_confirmation_state_ = NOT_PROMPTED; 709 710 // Show the download page so the user can figure-out what downloads are still 711 // in-progress. 712 chrome::ShowDownloads(this); 713 714 // Reset UnloadController::is_attempting_to_close_browser_ so that we don't 715 // prompt every time any tab is closed. http://crbug.com/305516 716 if (IsFastTabUnloadEnabled()) 717 fast_unload_controller_->CancelWindowClose(); 718 else 719 unload_controller_->CancelWindowClose(); 720 } 721 722 Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads( 723 int* num_downloads_blocking) const { 724 DCHECK(num_downloads_blocking); 725 *num_downloads_blocking = 0; 726 727 // If we're not running a full browser process with a profile manager 728 // (testing), it's ok to close the browser. 729 if (!g_browser_process->profile_manager()) 730 return DOWNLOAD_CLOSE_OK; 731 732 int total_download_count = 733 DownloadService::NonMaliciousDownloadCountAllProfiles(); 734 if (total_download_count == 0) 735 return DOWNLOAD_CLOSE_OK; // No downloads; can definitely close. 736 737 // Figure out how many windows are open total, and associated with this 738 // profile, that are relevant for the ok-to-close decision. 739 int profile_window_count = 0; 740 int total_window_count = 0; 741 for (chrome::BrowserIterator it; !it.done(); it.Next()) { 742 // Don't count this browser window or any other in the process of closing. 743 Browser* const browser = *it; 744 // Window closing may be delayed, and windows that are in the process of 745 // closing don't count against our totals. 746 if (browser == this || browser->IsAttemptingToCloseBrowser()) 747 continue; 748 749 if (it->profile() == profile()) 750 profile_window_count++; 751 total_window_count++; 752 } 753 754 // If there aren't any other windows, we're at browser shutdown, 755 // which would cancel all current downloads. 756 if (total_window_count == 0) { 757 *num_downloads_blocking = total_download_count; 758 return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN; 759 } 760 761 // If there aren't any other windows on our profile, and we're an incognito 762 // profile, and there are downloads associated with that profile, 763 // those downloads would be cancelled by our window (-> profile) close. 764 DownloadService* download_service = 765 DownloadServiceFactory::GetForBrowserContext(profile()); 766 if ((profile_window_count == 0) && 767 (download_service->NonMaliciousDownloadCount() > 0) && 768 profile()->IsOffTheRecord()) { 769 *num_downloads_blocking = download_service->NonMaliciousDownloadCount(); 770 return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE; 771 } 772 773 // Those are the only conditions under which we will block shutdown. 774 return DOWNLOAD_CLOSE_OK; 775 } 776 777 //////////////////////////////////////////////////////////////////////////////// 778 // Browser, Tab adding/showing functions: 779 780 void Browser::WindowFullscreenStateChanged() { 781 fullscreen_controller_->WindowFullscreenStateChanged(); 782 command_controller_->FullscreenStateChanged(); 783 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN); 784 } 785 786 /////////////////////////////////////////////////////////////////////////////// 787 // Browser, Assorted browser commands: 788 789 void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) { 790 fullscreen_controller_-> 791 ToggleBrowserFullscreenModeWithExtension(extension_url); 792 } 793 794 bool Browser::SupportsWindowFeature(WindowFeature feature) const { 795 return SupportsWindowFeatureImpl(feature, true); 796 } 797 798 bool Browser::CanSupportWindowFeature(WindowFeature feature) const { 799 return SupportsWindowFeatureImpl(feature, false); 800 } 801 802 void Browser::ToggleEncodingAutoDetect() { 803 content::RecordAction(UserMetricsAction("AutoDetectChange")); 804 encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue()); 805 // If "auto detect" is turned on, then any current override encoding 806 // is cleared. This also implicitly performs a reload. 807 // OTOH, if "auto detect" is turned off, we don't change the currently 808 // active encoding. 809 if (encoding_auto_detect_.GetValue()) { 810 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 811 if (contents) 812 contents->ResetOverrideEncoding(); 813 } 814 } 815 816 void Browser::OverrideEncoding(int encoding_id) { 817 content::RecordAction(UserMetricsAction("OverrideEncoding")); 818 const std::string selected_encoding = 819 CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id); 820 WebContents* contents = tab_strip_model_->GetActiveWebContents(); 821 if (!selected_encoding.empty() && contents) 822 contents->SetOverrideEncoding(selected_encoding); 823 // Update the list of recently selected encodings. 824 std::string new_selected_encoding_list; 825 if (CharacterEncoding::UpdateRecentlySelectedEncoding( 826 profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding), 827 encoding_id, 828 &new_selected_encoding_list)) { 829 profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding, 830 new_selected_encoding_list); 831 } 832 } 833 834 void Browser::OpenFile() { 835 content::RecordAction(UserMetricsAction("OpenFile")); 836 select_file_dialog_ = ui::SelectFileDialog::Create( 837 this, new ChromeSelectFilePolicy( 838 tab_strip_model_->GetActiveWebContents())); 839 840 const base::FilePath directory = profile_->last_selected_directory(); 841 842 // TODO(beng): figure out how to juggle this. 843 gfx::NativeWindow parent_window = window_->GetNativeWindow(); 844 ui::SelectFileDialog::FileTypeInfo file_types; 845 file_types.support_drive = true; 846 select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE, 847 base::string16(), 848 directory, 849 &file_types, 850 0, 851 base::FilePath::StringType(), 852 parent_window, 853 NULL); 854 } 855 856 void Browser::UpdateDownloadShelfVisibility(bool visible) { 857 if (GetStatusBubble()) 858 GetStatusBubble()->UpdateDownloadShelfVisibility(visible); 859 } 860 861 /////////////////////////////////////////////////////////////////////////////// 862 863 void Browser::UpdateUIForNavigationInTab(WebContents* contents, 864 ui::PageTransition transition, 865 bool user_initiated) { 866 tab_strip_model_->TabNavigating(contents, transition); 867 868 bool contents_is_selected = 869 contents == tab_strip_model_->GetActiveWebContents(); 870 if (user_initiated && contents_is_selected && window()->GetLocationBar()) { 871 // Forcibly reset the location bar if the url is going to change in the 872 // current tab, since otherwise it won't discard any ongoing user edits, 873 // since it doesn't realize this is a user-initiated action. 874 window()->GetLocationBar()->Revert(); 875 } 876 877 if (GetStatusBubble()) 878 GetStatusBubble()->Hide(); 879 880 // Update the location bar. This is synchronous. We specifically don't 881 // update the load state since the load hasn't started yet and updating it 882 // will put it out of sync with the actual state like whether we're 883 // displaying a favicon, which controls the throbber. If we updated it here, 884 // the throbber will show the default favicon for a split second when 885 // navigating away from the new tab page. 886 ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL); 887 888 if (contents_is_selected) 889 contents->SetInitialFocus(); 890 } 891 892 /////////////////////////////////////////////////////////////////////////////// 893 // Browser, PageNavigator implementation: 894 895 WebContents* Browser::OpenURL(const OpenURLParams& params) { 896 return OpenURLFromTab(NULL, params); 897 } 898 899 /////////////////////////////////////////////////////////////////////////////// 900 // Browser, TabStripModelObserver implementation: 901 902 void Browser::TabInsertedAt(WebContents* contents, 903 int index, 904 bool foreground) { 905 SetAsDelegate(contents, true); 906 907 if (popup_manager_) 908 popup_manager_->RegisterWith(contents); 909 910 SessionTabHelper* session_tab_helper = 911 SessionTabHelper::FromWebContents(contents); 912 session_tab_helper->SetWindowID(session_id()); 913 914 content::NotificationService::current()->Notify( 915 chrome::NOTIFICATION_TAB_PARENTED, 916 content::Source<content::WebContents>(contents), 917 content::NotificationService::NoDetails()); 918 919 SyncHistoryWithTabs(index); 920 921 // Make sure the loading state is updated correctly, otherwise the throbber 922 // won't start if the page is loading. 923 LoadingStateChanged(contents, true); 924 925 interstitial_observers_.push_back(new InterstitialObserver(this, contents)); 926 927 SessionService* session_service = 928 SessionServiceFactory::GetForProfile(profile_); 929 if (session_service) { 930 session_service->TabInserted(contents); 931 int new_active_index = tab_strip_model_->active_index(); 932 if (index < new_active_index) 933 session_service->SetSelectedTabInWindow(session_id(), 934 new_active_index); 935 } 936 } 937 938 void Browser::TabClosingAt(TabStripModel* tab_strip_model, 939 WebContents* contents, 940 int index) { 941 fullscreen_controller_->OnTabClosing(contents); 942 SessionService* session_service = 943 SessionServiceFactory::GetForProfile(profile_); 944 if (session_service) 945 session_service->TabClosing(contents); 946 content::NotificationService::current()->Notify( 947 chrome::NOTIFICATION_TAB_CLOSING, 948 content::Source<NavigationController>(&contents->GetController()), 949 content::NotificationService::NoDetails()); 950 951 if (popup_manager_) 952 popup_manager_->UnregisterWith(contents); 953 954 // Sever the WebContents' connection back to us. 955 SetAsDelegate(contents, false); 956 } 957 958 void Browser::TabDetachedAt(WebContents* contents, int index) { 959 // TabDetachedAt is called before TabStripModel has updated the 960 // active index. 961 int old_active_index = tab_strip_model_->active_index(); 962 if (index < old_active_index && !tab_strip_model_->closing_all()) { 963 SessionService* session_service = 964 SessionServiceFactory::GetForProfileIfExisting(profile_); 965 if (session_service) 966 session_service->SetSelectedTabInWindow(session_id(), 967 old_active_index - 1); 968 } 969 970 if (popup_manager_) 971 popup_manager_->UnregisterWith(contents); 972 973 TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH); 974 } 975 976 void Browser::TabDeactivated(WebContents* contents) { 977 fullscreen_controller_->OnTabDeactivated(contents); 978 search_delegate_->OnTabDeactivated(contents); 979 SearchTabHelper::FromWebContents(contents)->OnTabDeactivated(); 980 981 // Save what the user's currently typing, so it can be restored when we 982 // switch back to this tab. 983 window_->GetLocationBar()->SaveStateToContents(contents); 984 985 if (instant_controller_) 986 instant_controller_->TabDeactivated(contents); 987 } 988 989 void Browser::ActiveTabChanged(WebContents* old_contents, 990 WebContents* new_contents, 991 int index, 992 int reason) { 993 content::RecordAction(UserMetricsAction("ActiveTabChanged")); 994 995 // Update the bookmark state, since the BrowserWindow may query it during 996 // OnActiveTabChanged() below. 997 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH); 998 999 // Let the BrowserWindow do its handling. On e.g. views this changes the 1000 // focused object, which should happen before we update the toolbar below, 1001 // since the omnibox expects the correct element to already be focused when it 1002 // is updated. 1003 window_->OnActiveTabChanged(old_contents, new_contents, index, reason); 1004 1005 fullscreen_controller_->OnTabDetachedFromView(old_contents); 1006 1007 // Discarded tabs always get reloaded. 1008 if (tab_strip_model_->IsTabDiscarded(index)) { 1009 LOG(WARNING) << "Reloading discarded tab at " << index; 1010 static int reload_count = 0; 1011 UMA_HISTOGRAM_CUSTOM_COUNTS( 1012 "Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50); 1013 chrome::Reload(this, CURRENT_TAB); 1014 } 1015 1016 // If we have any update pending, do it now. 1017 if (chrome_updater_factory_.HasWeakPtrs() && old_contents) 1018 ProcessPendingUIUpdates(); 1019 1020 // Propagate the profile to the location bar. 1021 UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0); 1022 1023 if (chrome::IsInstantExtendedAPIEnabled()) 1024 search_delegate_->OnTabActivated(new_contents); 1025 1026 // Update reload/stop state. 1027 command_controller_->LoadingStateChanged(new_contents->IsLoading(), true); 1028 1029 // Update commands to reflect current state. 1030 command_controller_->TabStateChanged(); 1031 1032 // Reset the status bubble. 1033 StatusBubble* status_bubble = GetStatusBubble(); 1034 if (status_bubble) { 1035 status_bubble->Hide(); 1036 1037 // Show the loading state (if any). 1038 status_bubble->SetStatus(CoreTabHelper::FromWebContents( 1039 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1040 } 1041 1042 if (HasFindBarController()) { 1043 find_bar_controller_->ChangeWebContents(new_contents); 1044 find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true); 1045 } 1046 1047 // Update sessions. Don't force creation of sessions. If sessions doesn't 1048 // exist, the change will be picked up by sessions when created. 1049 SessionService* session_service = 1050 SessionServiceFactory::GetForProfileIfExisting(profile_); 1051 if (session_service && !tab_strip_model_->closing_all()) { 1052 session_service->SetSelectedTabInWindow(session_id(), 1053 tab_strip_model_->active_index()); 1054 } 1055 1056 // This needs to be called after notifying SearchDelegate. 1057 if (instant_controller_) 1058 instant_controller_->ActiveTabChanged(); 1059 1060 autofill::ChromeAutofillClient::FromWebContents(new_contents)->TabActivated(); 1061 SearchTabHelper::FromWebContents(new_contents)->OnTabActivated(); 1062 } 1063 1064 void Browser::TabMoved(WebContents* contents, 1065 int from_index, 1066 int to_index) { 1067 DCHECK(from_index >= 0 && to_index >= 0); 1068 // Notify the history service. 1069 SyncHistoryWithTabs(std::min(from_index, to_index)); 1070 } 1071 1072 void Browser::TabReplacedAt(TabStripModel* tab_strip_model, 1073 WebContents* old_contents, 1074 WebContents* new_contents, 1075 int index) { 1076 TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE); 1077 fullscreen_controller_->OnTabClosing(old_contents); 1078 SessionService* session_service = 1079 SessionServiceFactory::GetForProfile(profile_); 1080 if (session_service) 1081 session_service->TabClosing(old_contents); 1082 TabInsertedAt(new_contents, 1083 index, 1084 (index == tab_strip_model_->active_index())); 1085 1086 int entry_count = new_contents->GetController().GetEntryCount(); 1087 if (entry_count > 0) { 1088 // Send out notification so that observers are updated appropriately. 1089 new_contents->GetController().NotifyEntryChanged( 1090 new_contents->GetController().GetEntryAtIndex(entry_count - 1), 1091 entry_count - 1); 1092 } 1093 1094 if (session_service) { 1095 // The new_contents may end up with a different navigation stack. Force 1096 // the session service to update itself. 1097 session_service->TabRestored(new_contents, 1098 tab_strip_model_->IsTabPinned(index)); 1099 } 1100 } 1101 1102 void Browser::TabPinnedStateChanged(WebContents* contents, int index) { 1103 SessionService* session_service = 1104 SessionServiceFactory::GetForProfileIfExisting(profile()); 1105 if (session_service) { 1106 SessionTabHelper* session_tab_helper = 1107 SessionTabHelper::FromWebContents(contents); 1108 session_service->SetPinnedState(session_id(), 1109 session_tab_helper->session_id(), 1110 tab_strip_model_->IsTabPinned(index)); 1111 } 1112 } 1113 1114 void Browser::TabStripEmpty() { 1115 // Close the frame after we return to the message loop (not immediately, 1116 // otherwise it will destroy this object before the stack has a chance to 1117 // cleanly unwind.) 1118 // Note: This will be called several times if TabStripEmpty is called several 1119 // times. This is because it does not close the window if tabs are 1120 // still present. 1121 base::MessageLoop::current()->PostTask( 1122 FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr())); 1123 1124 // Instant may have visible WebContents that need to be detached before the 1125 // window system closes. 1126 instant_controller_.reset(); 1127 } 1128 1129 bool Browser::CanOverscrollContent() const { 1130 #if defined(USE_AURA) 1131 const std::string value = CommandLine::ForCurrentProcess()-> 1132 GetSwitchValueASCII(switches::kOverscrollHistoryNavigation); 1133 bool overscroll_enabled = value != "0"; 1134 if (!overscroll_enabled) 1135 return false; 1136 if (is_app() || is_devtools() || !is_type_tabbed()) 1137 return false; 1138 1139 // The detached bookmark bar has appearance of floating above the 1140 // web-contents. This does not play nicely with overscroll navigation 1141 // gestures. So disable overscroll navigation when the bookmark bar is in the 1142 // detached state and the overscroll effect moves the layers. 1143 if (value == "1" && bookmark_bar_state_ == BookmarkBar::DETACHED) 1144 return false; 1145 return true; 1146 #else 1147 return false; 1148 #endif 1149 } 1150 1151 bool Browser::ShouldPreserveAbortedURLs(WebContents* source) { 1152 // Allow failed URLs to stick around in the omnibox on the NTP, but not when 1153 // other pages have committed. 1154 Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext()); 1155 if (!profile || !source->GetController().GetLastCommittedEntry()) 1156 return false; 1157 GURL committed_url(source->GetController().GetLastCommittedEntry()->GetURL()); 1158 return chrome::IsNTPURL(committed_url, profile); 1159 } 1160 1161 bool Browser::PreHandleKeyboardEvent(content::WebContents* source, 1162 const NativeWebKeyboardEvent& event, 1163 bool* is_keyboard_shortcut) { 1164 // Escape exits tabbed fullscreen mode. 1165 // TODO(koz): Write a test for this http://crbug.com/100441. 1166 if (event.windowsKeyCode == 27 && 1167 fullscreen_controller_->HandleUserPressedEscape()) { 1168 return true; 1169 } 1170 return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut); 1171 } 1172 1173 void Browser::HandleKeyboardEvent(content::WebContents* source, 1174 const NativeWebKeyboardEvent& event) { 1175 DevToolsWindow* devtools_window = 1176 DevToolsWindow::GetInstanceForInspectedWebContents(source); 1177 bool handled = false; 1178 if (devtools_window) 1179 handled = devtools_window->ForwardKeyboardEvent(event); 1180 1181 if (!handled) 1182 window()->HandleKeyboardEvent(event); 1183 } 1184 1185 bool Browser::TabsNeedBeforeUnloadFired() { 1186 if (IsFastTabUnloadEnabled()) 1187 return fast_unload_controller_->TabsNeedBeforeUnloadFired(); 1188 return unload_controller_->TabsNeedBeforeUnloadFired(); 1189 } 1190 1191 void Browser::OverscrollUpdate(int delta_y) { 1192 window_->OverscrollUpdate(delta_y); 1193 } 1194 1195 void Browser::ShowValidationMessage(content::WebContents* web_contents, 1196 const gfx::Rect& anchor_in_root_view, 1197 const base::string16& main_text, 1198 const base::string16& sub_text) { 1199 RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); 1200 if (rwhv) { 1201 validation_message_bubble_ = 1202 chrome::ValidationMessageBubble::CreateAndShow( 1203 rwhv->GetRenderWidgetHost(), 1204 anchor_in_root_view, 1205 main_text, 1206 sub_text); 1207 } 1208 } 1209 1210 void Browser::HideValidationMessage(content::WebContents* web_contents) { 1211 validation_message_bubble_.reset(); 1212 } 1213 1214 void Browser::MoveValidationMessage(content::WebContents* web_contents, 1215 const gfx::Rect& anchor_in_root_view) { 1216 if (!validation_message_bubble_) 1217 return; 1218 RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView(); 1219 if (rwhv) { 1220 validation_message_bubble_->SetPositionRelativeToAnchor( 1221 rwhv->GetRenderWidgetHost(), anchor_in_root_view); 1222 } 1223 } 1224 1225 bool Browser::PreHandleGestureEvent(content::WebContents* source, 1226 const blink::WebGestureEvent& event) { 1227 // Disable pinch zooming in undocked dev tools window due to poor UX. 1228 if (app_name() == DevToolsWindow::kDevToolsApp) 1229 return event.type == blink::WebGestureEvent::GesturePinchBegin || 1230 event.type == blink::WebGestureEvent::GesturePinchUpdate || 1231 event.type == blink::WebGestureEvent::GesturePinchEnd; 1232 1233 return false; 1234 } 1235 1236 bool Browser::CanDragEnter(content::WebContents* source, 1237 const content::DropData& data, 1238 blink::WebDragOperationsMask operations_allowed) { 1239 // Disallow drag-and-drop navigation for Settings windows which do not support 1240 // external navigation. 1241 if ((operations_allowed & blink::WebDragOperationLink) && 1242 chrome::SettingsWindowManager::GetInstance()->IsSettingsBrowser(this)) { 1243 return false; 1244 } 1245 return true; 1246 } 1247 1248 bool Browser::IsMouseLocked() const { 1249 return fullscreen_controller_->IsMouseLocked(); 1250 } 1251 1252 void Browser::OnWindowDidShow() { 1253 if (window_has_shown_) 1254 return; 1255 window_has_shown_ = true; 1256 1257 // CurrentProcessInfo::CreationTime() is missing on some platforms. 1258 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 1259 // Measure the latency from startup till the first browser window becomes 1260 // visible. 1261 static bool is_first_browser_window = true; 1262 if (is_first_browser_window && 1263 !startup_metric_utils::WasNonBrowserUIDisplayed()) { 1264 is_first_browser_window = false; 1265 const base::Time process_creation_time = 1266 base::CurrentProcessInfo::CreationTime(); 1267 1268 if (!process_creation_time.is_null()) { 1269 UMA_HISTOGRAM_LONG_TIMES( 1270 "Startup.BrowserWindowDisplay", 1271 base::Time::Now() - process_creation_time); 1272 } 1273 } 1274 #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) 1275 1276 // Nothing to do for non-tabbed windows. 1277 if (!is_type_tabbed()) 1278 return; 1279 1280 // Show any pending global error bubble. 1281 GlobalErrorService* service = 1282 GlobalErrorServiceFactory::GetForProfile(profile()); 1283 GlobalError* error = service->GetFirstGlobalErrorWithBubbleView(); 1284 if (error) 1285 error->ShowBubbleView(this); 1286 } 1287 1288 void Browser::ShowFirstRunBubble() { 1289 window()->GetLocationBar()->ShowFirstRunBubble(); 1290 } 1291 1292 void Browser::ShowDownload(content::DownloadItem* download) { 1293 if (!window()) 1294 return; 1295 1296 // If the download occurs in a new tab, and it's not a save page 1297 // download (started before initial navigation completed) close it. 1298 WebContents* source = download->GetWebContents(); 1299 if (source && source->GetController().IsInitialNavigation() && 1300 tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) { 1301 CloseContents(source); 1302 } 1303 1304 // Some (app downloads) are not supposed to appear on the shelf. 1305 if (!DownloadItemModel(download).ShouldShowInShelf()) 1306 return; 1307 1308 // GetDownloadShelf creates the download shelf if it was not yet created. 1309 DownloadShelf* shelf = window()->GetDownloadShelf(); 1310 shelf->AddDownload(download); 1311 } 1312 1313 /////////////////////////////////////////////////////////////////////////////// 1314 // Browser, content::WebContentsDelegate implementation: 1315 1316 WebContents* Browser::OpenURLFromTab(WebContents* source, 1317 const OpenURLParams& params) { 1318 chrome::NavigateParams nav_params(this, params.url, params.transition); 1319 FillNavigateParamsFromOpenURLParams(&nav_params, params); 1320 nav_params.source_contents = source; 1321 nav_params.tabstrip_add_types = TabStripModel::ADD_NONE; 1322 if (params.user_gesture) 1323 nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW; 1324 nav_params.user_gesture = params.user_gesture; 1325 1326 PopupBlockerTabHelper* popup_blocker_helper = NULL; 1327 if (source) 1328 popup_blocker_helper = PopupBlockerTabHelper::FromWebContents(source); 1329 1330 if (popup_blocker_helper) { 1331 if ((params.disposition == NEW_POPUP || 1332 params.disposition == NEW_FOREGROUND_TAB || 1333 params.disposition == NEW_BACKGROUND_TAB || 1334 params.disposition == NEW_WINDOW) && 1335 !params.user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch( 1336 switches::kDisablePopupBlocking)) { 1337 if (popup_blocker_helper->MaybeBlockPopup(nav_params, 1338 WebWindowFeatures())) { 1339 return NULL; 1340 } 1341 } 1342 } 1343 1344 chrome::Navigate(&nav_params); 1345 1346 return nav_params.target_contents; 1347 } 1348 1349 void Browser::NavigationStateChanged(const WebContents* source, 1350 content::InvalidateTypes changed_flags) { 1351 // Only update the UI when something visible has changed. 1352 if (changed_flags) 1353 ScheduleUIUpdate(source, changed_flags); 1354 1355 // We can synchronously update commands since they will only change once per 1356 // navigation, so we don't have to worry about flickering. We do, however, 1357 // need to update the command state early on load to always present usable 1358 // actions in the face of slow-to-commit pages. 1359 if (changed_flags & (content::INVALIDATE_TYPE_URL | 1360 content::INVALIDATE_TYPE_LOAD)) 1361 command_controller_->TabStateChanged(); 1362 } 1363 1364 void Browser::VisibleSSLStateChanged(const WebContents* source) { 1365 // When the current tab's SSL state changes, we need to update the URL 1366 // bar to reflect the new state. 1367 DCHECK(source); 1368 if (tab_strip_model_->GetActiveWebContents() == source) 1369 UpdateToolbar(false); 1370 } 1371 1372 void Browser::AddNewContents(WebContents* source, 1373 WebContents* new_contents, 1374 WindowOpenDisposition disposition, 1375 const gfx::Rect& initial_pos, 1376 bool user_gesture, 1377 bool* was_blocked) { 1378 chrome::AddWebContents(this, source, new_contents, disposition, initial_pos, 1379 user_gesture, was_blocked); 1380 } 1381 1382 void Browser::ActivateContents(WebContents* contents) { 1383 tab_strip_model_->ActivateTabAt( 1384 tab_strip_model_->GetIndexOfWebContents(contents), false); 1385 window_->Activate(); 1386 } 1387 1388 void Browser::DeactivateContents(WebContents* contents) { 1389 window_->Deactivate(); 1390 } 1391 1392 void Browser::LoadingStateChanged(WebContents* source, 1393 bool to_different_document) { 1394 window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading()); 1395 window_->UpdateTitleBar(); 1396 1397 WebContents* selected_contents = tab_strip_model_->GetActiveWebContents(); 1398 if (source == selected_contents) { 1399 bool is_loading = source->IsLoading() && to_different_document; 1400 command_controller_->LoadingStateChanged(is_loading, false); 1401 if (GetStatusBubble()) { 1402 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 1403 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 1404 } 1405 } 1406 } 1407 1408 void Browser::CloseContents(WebContents* source) { 1409 bool can_close_contents; 1410 if (IsFastTabUnloadEnabled()) 1411 can_close_contents = fast_unload_controller_->CanCloseContents(source); 1412 else 1413 can_close_contents = unload_controller_->CanCloseContents(source); 1414 1415 if (can_close_contents) 1416 chrome::CloseWebContents(this, source, true); 1417 } 1418 1419 void Browser::MoveContents(WebContents* source, const gfx::Rect& pos) { 1420 if (!IsPopupOrPanel(source)) { 1421 NOTREACHED() << "moving invalid browser type"; 1422 return; 1423 } 1424 window_->SetBounds(pos); 1425 } 1426 1427 bool Browser::IsPopupOrPanel(const WebContents* source) const { 1428 return is_type_popup(); 1429 } 1430 1431 void Browser::UpdateTargetURL(WebContents* source, const GURL& url) { 1432 if (!GetStatusBubble()) 1433 return; 1434 1435 if (source == tab_strip_model_->GetActiveWebContents()) { 1436 PrefService* prefs = profile_->GetPrefs(); 1437 GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages)); 1438 } 1439 } 1440 1441 void Browser::ContentsMouseEvent( 1442 WebContents* source, const gfx::Point& location, bool motion) { 1443 if (!GetStatusBubble()) 1444 return; 1445 1446 if (source == tab_strip_model_->GetActiveWebContents()) { 1447 GetStatusBubble()->MouseMoved(location, !motion); 1448 if (!motion) 1449 GetStatusBubble()->SetURL(GURL(), std::string()); 1450 } 1451 } 1452 1453 void Browser::ContentsZoomChange(bool zoom_in) { 1454 chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS); 1455 } 1456 1457 void Browser::WebContentsFocused(WebContents* contents) { 1458 window_->WebContentsFocused(contents); 1459 } 1460 1461 bool Browser::TakeFocus(content::WebContents* source, 1462 bool reverse) { 1463 content::NotificationService::current()->Notify( 1464 chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER, 1465 content::Source<Browser>(this), 1466 content::NotificationService::NoDetails()); 1467 return false; 1468 } 1469 1470 gfx::Rect Browser::GetRootWindowResizerRect() const { 1471 return window_->GetRootWindowResizerRect(); 1472 } 1473 1474 void Browser::BeforeUnloadFired(WebContents* web_contents, 1475 bool proceed, 1476 bool* proceed_to_fire_unload) { 1477 if (is_devtools() && DevToolsWindow::HandleBeforeUnload(web_contents, 1478 proceed, proceed_to_fire_unload)) 1479 return; 1480 1481 if (IsFastTabUnloadEnabled()) { 1482 *proceed_to_fire_unload = 1483 fast_unload_controller_->BeforeUnloadFired(web_contents, proceed); 1484 } else { 1485 *proceed_to_fire_unload = 1486 unload_controller_->BeforeUnloadFired(web_contents, proceed); 1487 } 1488 } 1489 1490 bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) { 1491 const content::NavigationEntry* entry = 1492 source->GetController().GetActiveEntry(); 1493 if (entry) { 1494 GURL url = entry->GetURL(); 1495 GURL virtual_url = entry->GetVirtualURL(); 1496 if ((url.SchemeIs(content::kChromeUIScheme) && 1497 url.host() == chrome::kChromeUINewTabHost) || 1498 (virtual_url.SchemeIs(content::kChromeUIScheme) && 1499 virtual_url.host() == chrome::kChromeUINewTabHost)) { 1500 return true; 1501 } 1502 } 1503 1504 return chrome::NavEntryIsInstantNTP(source, entry); 1505 } 1506 1507 void Browser::SetFocusToLocationBar(bool select_all) { 1508 // Two differences between this and FocusLocationBar(): 1509 // (1) This doesn't get recorded in user metrics, since it's called 1510 // internally. 1511 // (2) This checks whether the location bar can be focused, and if not, clears 1512 // the focus. FocusLocationBar() is only reached when the location bar is 1513 // focusable, but this may be reached at other times, e.g. while in 1514 // fullscreen mode, where we need to leave focus in a consistent state. 1515 window_->SetFocusToLocationBar(select_all); 1516 } 1517 1518 int Browser::GetExtraRenderViewHeight() const { 1519 return window_->GetExtraRenderViewHeight(); 1520 } 1521 1522 void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) { 1523 DCHECK(source); 1524 chrome::ViewSource(this, source); 1525 } 1526 1527 void Browser::ViewSourceForFrame(WebContents* source, 1528 const GURL& frame_url, 1529 const content::PageState& frame_page_state) { 1530 DCHECK(source); 1531 chrome::ViewSource(this, source, frame_url, frame_page_state); 1532 } 1533 1534 void Browser::ShowRepostFormWarningDialog(WebContents* source) { 1535 TabModalConfirmDialog::Create(new RepostFormWarningController(source), 1536 source); 1537 } 1538 1539 bool Browser::ShouldCreateWebContents( 1540 WebContents* web_contents, 1541 int route_id, 1542 WindowContainerType window_container_type, 1543 const base::string16& frame_name, 1544 const GURL& target_url, 1545 const std::string& partition_id, 1546 content::SessionStorageNamespace* session_storage_namespace) { 1547 if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) { 1548 // If a BackgroundContents is created, suppress the normal WebContents. 1549 return !MaybeCreateBackgroundContents(route_id, 1550 web_contents, 1551 frame_name, 1552 target_url, 1553 partition_id, 1554 session_storage_namespace); 1555 } 1556 1557 return true; 1558 } 1559 1560 void Browser::WebContentsCreated(WebContents* source_contents, 1561 int opener_render_frame_id, 1562 const base::string16& frame_name, 1563 const GURL& target_url, 1564 WebContents* new_contents) { 1565 // Adopt the WebContents now, so all observers are in place, as the network 1566 // requests for its initial navigation will start immediately. The WebContents 1567 // will later be inserted into this browser using Browser::Navigate via 1568 // AddNewContents. 1569 TabHelpers::AttachTabHelpers(new_contents); 1570 1571 // Notify. 1572 RetargetingDetails details; 1573 details.source_web_contents = source_contents; 1574 details.source_render_frame_id = opener_render_frame_id; 1575 details.target_url = target_url; 1576 details.target_web_contents = new_contents; 1577 details.not_yet_in_tabstrip = true; 1578 content::NotificationService::current()->Notify( 1579 chrome::NOTIFICATION_RETARGETING, 1580 content::Source<Profile>(profile_), 1581 content::Details<RetargetingDetails>(&details)); 1582 } 1583 1584 void Browser::RendererUnresponsive(WebContents* source) { 1585 // Ignore hangs if a tab is blocked. 1586 int index = tab_strip_model_->GetIndexOfWebContents(source); 1587 DCHECK_NE(TabStripModel::kNoTab, index); 1588 if (tab_strip_model_->IsTabBlocked(index)) 1589 return; 1590 1591 chrome::ShowHungRendererDialog(source); 1592 } 1593 1594 void Browser::RendererResponsive(WebContents* source) { 1595 chrome::HideHungRendererDialog(source); 1596 } 1597 1598 void Browser::WorkerCrashed(WebContents* source) { 1599 SimpleAlertInfoBarDelegate::Create( 1600 InfoBarService::FromWebContents(source), 1601 infobars::InfoBarDelegate::kNoIconID, 1602 l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true); 1603 } 1604 1605 void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) { 1606 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1607 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1608 } 1609 1610 void Browser::DidNavigateToPendingEntry(WebContents* web_contents) { 1611 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1612 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 1613 } 1614 1615 content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() { 1616 return GetJavaScriptDialogManagerInstance(); 1617 } 1618 1619 content::ColorChooser* Browser::OpenColorChooser( 1620 WebContents* web_contents, 1621 SkColor initial_color, 1622 const std::vector<content::ColorSuggestion>& suggestions) { 1623 return chrome::ShowColorChooser(web_contents, initial_color); 1624 } 1625 1626 void Browser::RunFileChooser(WebContents* web_contents, 1627 const content::FileChooserParams& params) { 1628 FileSelectHelper::RunFileChooser(web_contents, params); 1629 } 1630 1631 void Browser::EnumerateDirectory(WebContents* web_contents, 1632 int request_id, 1633 const base::FilePath& path) { 1634 FileSelectHelper::EnumerateDirectory(web_contents, request_id, path); 1635 } 1636 1637 bool Browser::EmbedsFullscreenWidget() const { 1638 return true; 1639 } 1640 1641 void Browser::ToggleFullscreenModeForTab(WebContents* web_contents, 1642 bool enter_fullscreen) { 1643 fullscreen_controller_->ToggleFullscreenModeForTab(web_contents, 1644 enter_fullscreen); 1645 } 1646 1647 bool Browser::IsFullscreenForTabOrPending( 1648 const WebContents* web_contents) const { 1649 return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents); 1650 } 1651 1652 void Browser::RegisterProtocolHandler(WebContents* web_contents, 1653 const std::string& protocol, 1654 const GURL& url, 1655 bool user_gesture) { 1656 content::BrowserContext* context = web_contents->GetBrowserContext(); 1657 if (context->IsOffTheRecord()) 1658 return; 1659 1660 ProtocolHandler handler = 1661 ProtocolHandler::CreateProtocolHandler(protocol, url); 1662 1663 ProtocolHandlerRegistry* registry = 1664 ProtocolHandlerRegistryFactory::GetForBrowserContext(context); 1665 if (registry->SilentlyHandleRegisterHandlerRequest(handler)) 1666 return; 1667 1668 TabSpecificContentSettings* tab_content_settings = 1669 TabSpecificContentSettings::FromWebContents(web_contents); 1670 if (!user_gesture && window_) { 1671 tab_content_settings->set_pending_protocol_handler(handler); 1672 tab_content_settings->set_previous_protocol_handler( 1673 registry->GetHandlerFor(handler.protocol())); 1674 window_->GetLocationBar()->UpdateContentSettingsIcons(); 1675 return; 1676 } 1677 1678 // Make sure content-setting icon is turned off in case the page does 1679 // ungestured and gestured RPH calls. 1680 if (window_) { 1681 tab_content_settings->ClearPendingProtocolHandler(); 1682 window_->GetLocationBar()->UpdateContentSettingsIcons(); 1683 } 1684 1685 PermissionBubbleManager* bubble_manager = 1686 PermissionBubbleManager::FromWebContents(web_contents); 1687 if (PermissionBubbleManager::Enabled() && bubble_manager) { 1688 bubble_manager->AddRequest( 1689 new RegisterProtocolHandlerPermissionRequest(registry, handler, 1690 url, user_gesture)); 1691 } else { 1692 RegisterProtocolHandlerInfoBarDelegate::Create( 1693 InfoBarService::FromWebContents(web_contents), registry, handler); 1694 } 1695 } 1696 1697 void Browser::UnregisterProtocolHandler(WebContents* web_contents, 1698 const std::string& protocol, 1699 const GURL& url, 1700 bool user_gesture) { 1701 // user_gesture will be used in case we decide to have confirmation bubble 1702 // for user while un-registering the handler. 1703 content::BrowserContext* context = web_contents->GetBrowserContext(); 1704 if (context->IsOffTheRecord()) 1705 return; 1706 1707 ProtocolHandler handler = 1708 ProtocolHandler::CreateProtocolHandler(protocol, url); 1709 1710 ProtocolHandlerRegistry* registry = 1711 ProtocolHandlerRegistryFactory::GetForBrowserContext(context); 1712 registry->RemoveHandler(handler); 1713 } 1714 1715 void Browser::UpdatePreferredSize(WebContents* source, 1716 const gfx::Size& pref_size) { 1717 window_->UpdatePreferredSize(source, pref_size); 1718 } 1719 1720 void Browser::ResizeDueToAutoResize(WebContents* source, 1721 const gfx::Size& new_size) { 1722 window_->ResizeDueToAutoResize(source, new_size); 1723 } 1724 1725 void Browser::FindReply(WebContents* web_contents, 1726 int request_id, 1727 int number_of_matches, 1728 const gfx::Rect& selection_rect, 1729 int active_match_ordinal, 1730 bool final_update) { 1731 FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); 1732 if (!find_tab_helper) 1733 return; 1734 1735 find_tab_helper->HandleFindReply(request_id, 1736 number_of_matches, 1737 selection_rect, 1738 active_match_ordinal, 1739 final_update); 1740 } 1741 1742 void Browser::RequestToLockMouse(WebContents* web_contents, 1743 bool user_gesture, 1744 bool last_unlocked_by_target) { 1745 fullscreen_controller_->RequestToLockMouse(web_contents, 1746 user_gesture, 1747 last_unlocked_by_target); 1748 } 1749 1750 void Browser::LostMouseLock() { 1751 fullscreen_controller_->LostMouseLock(); 1752 } 1753 1754 void Browser::RequestMediaAccessPermission( 1755 content::WebContents* web_contents, 1756 const content::MediaStreamRequest& request, 1757 const content::MediaResponseCallback& callback) { 1758 ::RequestMediaAccessPermission(web_contents, profile_, request, callback); 1759 } 1760 1761 bool Browser::CheckMediaAccessPermission(content::WebContents* web_contents, 1762 const GURL& security_origin, 1763 content::MediaStreamType type) { 1764 return ::CheckMediaAccessPermission(web_contents, security_origin, type); 1765 } 1766 1767 bool Browser::RequestPpapiBrokerPermission( 1768 WebContents* web_contents, 1769 const GURL& url, 1770 const base::FilePath& plugin_path, 1771 const base::Callback<void(bool)>& callback) { 1772 PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback); 1773 return true; 1774 } 1775 1776 gfx::Size Browser::GetSizeForNewRenderView(WebContents* web_contents) const { 1777 // When navigating away from NTP with unpinned bookmark bar, the bookmark bar 1778 // would disappear on non-NTP pages, resulting in a bigger size for the new 1779 // render view. 1780 gfx::Size size = web_contents->GetContainerBounds().size(); 1781 // Don't change render view size if bookmark bar is currently not detached, 1782 // or there's no pending entry, or navigating to a NTP page. 1783 if (size.IsEmpty() || bookmark_bar_state_ != BookmarkBar::DETACHED) 1784 return size; 1785 const NavigationEntry* pending_entry = 1786 web_contents->GetController().GetPendingEntry(); 1787 if (pending_entry && 1788 !chrome::IsNTPURL(pending_entry->GetVirtualURL(), profile_)) { 1789 size.Enlarge( 1790 0, window()->GetRenderViewHeightInsetWithDetachedBookmarkBar()); 1791 } 1792 return size; 1793 } 1794 1795 /////////////////////////////////////////////////////////////////////////////// 1796 // Browser, CoreTabHelperDelegate implementation: 1797 1798 void Browser::SwapTabContents(content::WebContents* old_contents, 1799 content::WebContents* new_contents, 1800 bool did_start_load, 1801 bool did_finish_load) { 1802 int index = tab_strip_model_->GetIndexOfWebContents(old_contents); 1803 DCHECK_NE(TabStripModel::kNoTab, index); 1804 tab_strip_model_->ReplaceWebContentsAt(index, new_contents); 1805 } 1806 1807 bool Browser::CanReloadContents(content::WebContents* web_contents) const { 1808 return chrome::CanReload(this); 1809 } 1810 1811 bool Browser::CanSaveContents(content::WebContents* web_contents) const { 1812 return chrome::CanSavePage(this); 1813 } 1814 1815 /////////////////////////////////////////////////////////////////////////////// 1816 // Browser, SearchEngineTabHelperDelegate implementation: 1817 1818 void Browser::ConfirmAddSearchProvider(TemplateURL* template_url, 1819 Profile* profile) { 1820 window()->ConfirmAddSearchProvider(template_url, profile); 1821 } 1822 1823 /////////////////////////////////////////////////////////////////////////////// 1824 // Browser, SearchTabHelperDelegate implementation: 1825 1826 void Browser::NavigateOnThumbnailClick(const GURL& url, 1827 WindowOpenDisposition disposition, 1828 content::WebContents* source_contents) { 1829 DCHECK(source_contents); 1830 // We're guaranteed that AUTO_BOOKMARK is the right transition since this only 1831 // gets called to handle clicks in the new tab page (to navigate to most 1832 // visited item URLs) and in the search results page (to navigate to 1833 // privileged destinations (e.g. chrome://URLs)). 1834 // 1835 // TODO(kmadhusu): Page transitions to privileged destinations should be 1836 // marked as "LINK" instead of "AUTO_BOOKMARK"? 1837 chrome::NavigateParams params(this, url, 1838 ui::PAGE_TRANSITION_AUTO_BOOKMARK); 1839 params.referrer = content::Referrer(); 1840 params.source_contents = source_contents; 1841 params.disposition = disposition; 1842 params.is_renderer_initiated = false; 1843 params.initiating_profile = profile_; 1844 chrome::Navigate(¶ms); 1845 } 1846 1847 void Browser::OnWebContentsInstantSupportDisabled( 1848 const content::WebContents* web_contents) { 1849 DCHECK(web_contents); 1850 if (tab_strip_model_->GetActiveWebContents() == web_contents) 1851 UpdateToolbar(false); 1852 } 1853 1854 OmniboxView* Browser::GetOmniboxView() { 1855 return window_->GetLocationBar()->GetOmniboxView(); 1856 } 1857 1858 std::set<std::string> Browser::GetOpenUrls() { 1859 history::TopSites* top_sites = profile_->GetTopSites(); 1860 if (!top_sites) // NULL for Incognito profiles. 1861 return std::set<std::string>(); 1862 1863 std::set<std::string> open_urls; 1864 chrome::GetOpenUrls(*tab_strip_model_, *top_sites, &open_urls); 1865 return open_urls; 1866 } 1867 1868 /////////////////////////////////////////////////////////////////////////////// 1869 // Browser, web_modal::WebContentsModalDialogManagerDelegate implementation: 1870 1871 void Browser::SetWebContentsBlocked(content::WebContents* web_contents, 1872 bool blocked) { 1873 int index = tab_strip_model_->GetIndexOfWebContents(web_contents); 1874 if (index == TabStripModel::kNoTab) { 1875 NOTREACHED(); 1876 return; 1877 } 1878 tab_strip_model_->SetTabBlocked(index, blocked); 1879 if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents) 1880 web_contents->Focus(); 1881 } 1882 1883 web_modal::WebContentsModalDialogHost* 1884 Browser::GetWebContentsModalDialogHost() { 1885 return window_->GetWebContentsModalDialogHost(); 1886 } 1887 1888 /////////////////////////////////////////////////////////////////////////////// 1889 // Browser, BookmarkTabHelperDelegate implementation: 1890 1891 void Browser::URLStarredChanged(content::WebContents* web_contents, 1892 bool starred) { 1893 if (web_contents == tab_strip_model_->GetActiveWebContents()) 1894 window_->SetStarredState(starred); 1895 } 1896 1897 /////////////////////////////////////////////////////////////////////////////// 1898 // Browser, ZoomObserver implementation: 1899 1900 void Browser::OnZoomChanged(const ZoomController::ZoomChangedEventData& data) { 1901 if (data.web_contents == tab_strip_model_->GetActiveWebContents()) { 1902 // Only show the zoom bubble for zoom changes in the active window. 1903 window_->ZoomChangedForActiveTab(data.can_show_bubble && 1904 window_->IsActive()); 1905 // Change the zoom commands state based on the zoom state 1906 command_controller_->ZoomStateChanged(); 1907 } 1908 } 1909 1910 /////////////////////////////////////////////////////////////////////////////// 1911 // Browser, ui::SelectFileDialog::Listener implementation: 1912 1913 void Browser::FileSelected(const base::FilePath& path, int index, 1914 void* params) { 1915 FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params); 1916 } 1917 1918 void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info, 1919 int index, 1920 void* params) { 1921 profile_->set_last_selected_directory(file_info.file_path.DirName()); 1922 1923 GURL url = net::FilePathToFileURL(file_info.local_path); 1924 1925 #if defined(OS_CHROMEOS) 1926 const GURL external_url = 1927 chromeos::CreateExternalFileURLFromPath(profile_, file_info.file_path); 1928 if (!external_url.is_empty()) 1929 url = external_url; 1930 #endif 1931 1932 if (url.is_empty()) 1933 return; 1934 1935 OpenURL(OpenURLParams( 1936 url, Referrer(), CURRENT_TAB, ui::PAGE_TRANSITION_TYPED, false)); 1937 } 1938 1939 /////////////////////////////////////////////////////////////////////////////// 1940 // Browser, content::NotificationObserver implementation: 1941 1942 void Browser::Observe(int type, 1943 const content::NotificationSource& source, 1944 const content::NotificationDetails& details) { 1945 switch (type) { 1946 case extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: { 1947 chrome::UpdateCommandEnabled( 1948 this, 1949 IDC_BOOKMARK_PAGE, 1950 !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); 1951 chrome::UpdateCommandEnabled( 1952 this, 1953 IDC_BOOKMARK_ALL_TABS, 1954 !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); 1955 1956 if (window()->GetLocationBar()) 1957 window()->GetLocationBar()->UpdatePageActions(); 1958 1959 const extensions::UnloadedExtensionInfo* extension_info = 1960 content::Details<extensions::UnloadedExtensionInfo>(details).ptr(); 1961 1962 // Close any tabs from the unloaded extension, unless it's terminated, 1963 // in which case let the sad tabs remain. 1964 if (extension_info->reason != 1965 extensions::UnloadedExtensionInfo::REASON_TERMINATE) { 1966 const Extension* extension = extension_info->extension; 1967 // Iterate backwards as we may remove items while iterating. 1968 for (int i = tab_strip_model_->count() - 1; i >= 0; --i) { 1969 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 1970 // Two cases are handled here: 1971 // - The scheme check is for when an extension page is loaded in a 1972 // tab, e.g. chrome-extension://id/page.html. 1973 // - The extension_app check is for apps, which can have non-extension 1974 // schemes, e.g. https://mail.google.com if you have the Gmail app 1975 // installed. 1976 if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) && 1977 web_contents->GetURL().host() == extension->id()) || 1978 (extensions::TabHelper::FromWebContents( 1979 web_contents)->extension_app() == extension)) { 1980 tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE); 1981 } 1982 } 1983 } 1984 break; 1985 } 1986 1987 case extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: { 1988 Profile* profile = content::Source<Profile>(source).ptr(); 1989 if (profile_->IsSameProfile(profile) && window()->GetLocationBar()) 1990 window()->GetLocationBar()->InvalidatePageActions(); 1991 break; 1992 } 1993 1994 case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: 1995 chrome::UpdateCommandEnabled( 1996 this, 1997 IDC_BOOKMARK_PAGE, 1998 !chrome::ShouldRemoveBookmarkThisPageUI(profile_)); 1999 chrome::UpdateCommandEnabled( 2000 this, 2001 IDC_BOOKMARK_ALL_TABS, 2002 !chrome::ShouldRemoveBookmarkOpenPagesUI(profile_)); 2003 // fallthrough 2004 case extensions::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED: 2005 // During window creation on Windows we may end up calling into 2006 // SHAppBarMessage, which internally spawns a nested message loop. This 2007 // makes it possible for us to end up here before window creation has 2008 // completed, at which point window_ is NULL. See 94752 for details. 2009 if (window() && window()->GetLocationBar()) 2010 window()->GetLocationBar()->UpdatePageActions(); 2011 break; 2012 2013 #if defined(ENABLE_THEMES) 2014 case chrome::NOTIFICATION_BROWSER_THEME_CHANGED: 2015 window()->UserChangedTheme(); 2016 break; 2017 #endif 2018 2019 case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: { 2020 WebContents* web_contents = content::Source<WebContents>(source).ptr(); 2021 if (web_contents == tab_strip_model_->GetActiveWebContents()) { 2022 LocationBar* location_bar = window()->GetLocationBar(); 2023 if (location_bar) 2024 location_bar->UpdateContentSettingsIcons(); 2025 } 2026 break; 2027 } 2028 2029 default: 2030 NOTREACHED() << "Got a notification we didn't register for."; 2031 } 2032 } 2033 2034 /////////////////////////////////////////////////////////////////////////////// 2035 // Browser, Command and state updating (private): 2036 2037 void Browser::OnDevToolsDisabledChanged() { 2038 if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled)) 2039 content::DevToolsAgentHost::DetachAllClients(); 2040 } 2041 2042 /////////////////////////////////////////////////////////////////////////////// 2043 // Browser, UI update coalescing and handling (private): 2044 2045 void Browser::UpdateToolbar(bool should_restore_state) { 2046 window_->UpdateToolbar(should_restore_state ? 2047 tab_strip_model_->GetActiveWebContents() : NULL); 2048 } 2049 2050 void Browser::ScheduleUIUpdate(const WebContents* source, 2051 unsigned changed_flags) { 2052 DCHECK(source); 2053 int index = tab_strip_model_->GetIndexOfWebContents(source); 2054 DCHECK_NE(TabStripModel::kNoTab, index); 2055 2056 // Do some synchronous updates. 2057 if (changed_flags & content::INVALIDATE_TYPE_URL && 2058 source == tab_strip_model_->GetActiveWebContents()) { 2059 // Only update the URL for the current tab. Note that we do not update 2060 // the navigation commands since those would have already been updated 2061 // synchronously by NavigationStateChanged. 2062 UpdateToolbar(false); 2063 changed_flags &= ~content::INVALIDATE_TYPE_URL; 2064 } 2065 if (changed_flags & content::INVALIDATE_TYPE_LOAD) { 2066 // Update the loading state synchronously. This is so the throbber will 2067 // immediately start/stop, which gives a more snappy feel. We want to do 2068 // this for any tab so they start & stop quickly. 2069 tab_strip_model_->UpdateWebContentsStateAt( 2070 tab_strip_model_->GetIndexOfWebContents(source), 2071 TabStripModelObserver::LOADING_ONLY); 2072 // The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too, 2073 // but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from 2074 // changed_flags. 2075 } 2076 2077 if (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) { 2078 // To correctly calculate whether the title changed while not loading 2079 // we need to process the update synchronously. This state only matters for 2080 // the TabStripModel, so we notify the TabStripModel now and notify others 2081 // asynchronously. 2082 tab_strip_model_->UpdateWebContentsStateAt( 2083 tab_strip_model_->GetIndexOfWebContents(source), 2084 TabStripModelObserver::TITLE_NOT_LOADING); 2085 } 2086 2087 // If the only updates were synchronously handled above, we're done. 2088 if (changed_flags == 0) 2089 return; 2090 2091 // Save the dirty bits. 2092 scheduled_updates_[source] |= changed_flags; 2093 2094 if (!chrome_updater_factory_.HasWeakPtrs()) { 2095 // No task currently scheduled, start another. 2096 base::MessageLoop::current()->PostDelayedTask( 2097 FROM_HERE, 2098 base::Bind(&Browser::ProcessPendingUIUpdates, 2099 chrome_updater_factory_.GetWeakPtr()), 2100 base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS)); 2101 } 2102 } 2103 2104 void Browser::ProcessPendingUIUpdates() { 2105 #ifndef NDEBUG 2106 // Validate that all tabs we have pending updates for exist. This is scary 2107 // because the pending list must be kept in sync with any detached or 2108 // deleted tabs. 2109 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 2110 i != scheduled_updates_.end(); ++i) { 2111 bool found = false; 2112 for (int tab = 0; tab < tab_strip_model_->count(); tab++) { 2113 if (tab_strip_model_->GetWebContentsAt(tab) == i->first) { 2114 found = true; 2115 break; 2116 } 2117 } 2118 DCHECK(found); 2119 } 2120 #endif 2121 2122 chrome_updater_factory_.InvalidateWeakPtrs(); 2123 2124 for (UpdateMap::const_iterator i = scheduled_updates_.begin(); 2125 i != scheduled_updates_.end(); ++i) { 2126 // Do not dereference |contents|, it may be out-of-date! 2127 const WebContents* contents = i->first; 2128 unsigned flags = i->second; 2129 2130 if (contents == tab_strip_model_->GetActiveWebContents()) { 2131 // Updates that only matter when the tab is selected go here. 2132 2133 // Updating the URL happens synchronously in ScheduleUIUpdate. 2134 if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) { 2135 GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents( 2136 tab_strip_model_->GetActiveWebContents())->GetStatusText()); 2137 } 2138 2139 if (flags & (content::INVALIDATE_TYPE_TAB | 2140 content::INVALIDATE_TYPE_TITLE)) { 2141 window_->UpdateTitleBar(); 2142 } 2143 } 2144 2145 // Updates that don't depend upon the selected state go here. 2146 if (flags & 2147 (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) { 2148 tab_strip_model_->UpdateWebContentsStateAt( 2149 tab_strip_model_->GetIndexOfWebContents(contents), 2150 TabStripModelObserver::ALL); 2151 } 2152 2153 // Update the bookmark bar. It may happen that the tab is crashed, and if 2154 // so, the bookmark bar should be hidden. 2155 if (flags & content::INVALIDATE_TYPE_TAB) 2156 UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE); 2157 2158 // We don't need to process INVALIDATE_STATE, since that's not visible. 2159 } 2160 2161 scheduled_updates_.clear(); 2162 } 2163 2164 void Browser::RemoveScheduledUpdatesFor(WebContents* contents) { 2165 if (!contents) 2166 return; 2167 2168 UpdateMap::iterator i = scheduled_updates_.find(contents); 2169 if (i != scheduled_updates_.end()) 2170 scheduled_updates_.erase(i); 2171 } 2172 2173 /////////////////////////////////////////////////////////////////////////////// 2174 // Browser, Getters for UI (private): 2175 2176 StatusBubble* Browser::GetStatusBubble() { 2177 // In kiosk and exclusive app mode, we want to always hide the status bubble. 2178 if (chrome::IsRunningInAppMode()) 2179 return NULL; 2180 2181 return window_ ? window_->GetStatusBubble() : NULL; 2182 } 2183 2184 /////////////////////////////////////////////////////////////////////////////// 2185 // Browser, Session restore functions (private): 2186 2187 void Browser::SyncHistoryWithTabs(int index) { 2188 SessionService* session_service = 2189 SessionServiceFactory::GetForProfileIfExisting(profile()); 2190 if (session_service) { 2191 for (int i = index; i < tab_strip_model_->count(); ++i) { 2192 WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i); 2193 if (web_contents) { 2194 SessionTabHelper* session_tab_helper = 2195 SessionTabHelper::FromWebContents(web_contents); 2196 session_service->SetTabIndexInWindow( 2197 session_id(), session_tab_helper->session_id(), i); 2198 session_service->SetPinnedState( 2199 session_id(), 2200 session_tab_helper->session_id(), 2201 tab_strip_model_->IsTabPinned(i)); 2202 } 2203 } 2204 } 2205 } 2206 2207 /////////////////////////////////////////////////////////////////////////////// 2208 // Browser, In-progress download termination handling (private): 2209 2210 bool Browser::CanCloseWithInProgressDownloads() { 2211 // If we've prompted, we need to hear from the user before we 2212 // can close. 2213 if (cancel_download_confirmation_state_ != NOT_PROMPTED) 2214 return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE; 2215 2216 int num_downloads_blocking; 2217 Browser::DownloadClosePreventionType dialog_type = 2218 OkToCloseWithInProgressDownloads(&num_downloads_blocking); 2219 if (dialog_type == DOWNLOAD_CLOSE_OK) 2220 return true; 2221 2222 // Closing this window will kill some downloads; prompt to make sure 2223 // that's ok. 2224 cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE; 2225 window_->ConfirmBrowserCloseWithPendingDownloads( 2226 num_downloads_blocking, 2227 dialog_type, 2228 false, 2229 base::Bind(&Browser::InProgressDownloadResponse, 2230 weak_factory_.GetWeakPtr())); 2231 2232 // Return false so the browser does not close. We'll close if the user 2233 // confirms in the dialog. 2234 return false; 2235 } 2236 2237 /////////////////////////////////////////////////////////////////////////////// 2238 // Browser, Assorted utility functions (private): 2239 2240 void Browser::SetAsDelegate(WebContents* web_contents, bool set_delegate) { 2241 Browser* delegate = set_delegate ? this : NULL; 2242 // WebContents... 2243 web_contents->SetDelegate(delegate); 2244 2245 // ...and all the helpers. 2246 BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2247 WebContentsModalDialogManager::FromWebContents(web_contents)-> 2248 SetDelegate(delegate); 2249 CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2250 SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2251 SearchTabHelper::FromWebContents(web_contents)->set_delegate(delegate); 2252 translate::ContentTranslateDriver& content_translate_driver = 2253 ChromeTranslateClient::FromWebContents(web_contents)->translate_driver(); 2254 if (delegate) { 2255 ZoomController::FromWebContents(web_contents)->AddObserver(this); 2256 content_translate_driver.AddObserver(translate_driver_observer_.get()); 2257 } else { 2258 ZoomController::FromWebContents(web_contents)->RemoveObserver(this); 2259 content_translate_driver.RemoveObserver(translate_driver_observer_.get()); 2260 } 2261 } 2262 2263 void Browser::CloseFrame() { 2264 window_->Close(); 2265 } 2266 2267 void Browser::TabDetachedAtImpl(content::WebContents* contents, 2268 int index, 2269 DetachType type) { 2270 if (type == DETACH_TYPE_DETACH) { 2271 // Save the current location bar state, but only if the tab being detached 2272 // is the selected tab. Because saving state can conditionally revert the 2273 // location bar, saving the current tab's location bar state to a 2274 // non-selected tab can corrupt both tabs. 2275 if (contents == tab_strip_model_->GetActiveWebContents()) { 2276 LocationBar* location_bar = window()->GetLocationBar(); 2277 if (location_bar) 2278 location_bar->SaveStateToContents(contents); 2279 } 2280 2281 if (!tab_strip_model_->closing_all()) 2282 SyncHistoryWithTabs(0); 2283 } 2284 2285 SetAsDelegate(contents, false); 2286 RemoveScheduledUpdatesFor(contents); 2287 2288 if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) { 2289 find_bar_controller_->ChangeWebContents(NULL); 2290 } 2291 2292 // Stop observing search model changes for this tab. 2293 search_delegate_->OnTabDetached(contents); 2294 2295 for (size_t i = 0; i < interstitial_observers_.size(); i++) { 2296 if (interstitial_observers_[i]->web_contents() != contents) 2297 continue; 2298 2299 delete interstitial_observers_[i]; 2300 interstitial_observers_.erase(interstitial_observers_.begin() + i); 2301 return; 2302 } 2303 } 2304 2305 bool Browser::ShouldShowLocationBar() const { 2306 // Tabbed browser always show a location bar. 2307 if (is_type_tabbed()) 2308 return true; 2309 2310 if (is_app()) { 2311 if (extensions::util::IsStreamlinedHostedAppsEnabled() && 2312 host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH) { 2313 // If streamlined hosted apps are enabled, show the location bar for 2314 // bookmark apps, except on ash which has the toolbar merged into the 2315 // frame. 2316 ExtensionService* service = 2317 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2318 const extensions::Extension* extension = 2319 service ? service->GetInstalledExtension( 2320 web_app::GetExtensionIdFromApplicationName(app_name())) 2321 : NULL; 2322 return (!extension || extension->from_bookmark()) && 2323 app_name() != DevToolsWindow::kDevToolsApp; 2324 } else { 2325 return false; 2326 } 2327 } 2328 2329 // Trusted app windows and system windows never show a location bar. 2330 return !is_trusted_source(); 2331 } 2332 2333 bool Browser::SupportsWindowFeatureImpl(WindowFeature feature, 2334 bool check_fullscreen) const { 2335 bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen(); 2336 2337 unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF; 2338 2339 if (is_type_tabbed()) 2340 features |= FEATURE_BOOKMARKBAR; 2341 2342 if (!hide_ui_for_fullscreen) { 2343 if (!is_type_tabbed()) 2344 features |= FEATURE_TITLEBAR; 2345 2346 if (is_type_tabbed()) 2347 features |= FEATURE_TABSTRIP; 2348 2349 if (is_type_tabbed()) 2350 features |= FEATURE_TOOLBAR; 2351 2352 if (ShouldShowLocationBar()) 2353 features |= FEATURE_LOCATIONBAR; 2354 } 2355 return !!(features & feature); 2356 } 2357 2358 void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) { 2359 BookmarkBar::State state; 2360 // The bookmark bar is always hidden for Guest Sessions and in fullscreen 2361 // mode, unless on the new tab page. 2362 if (profile_->IsGuestSession()) { 2363 state = BookmarkBar::HIDDEN; 2364 } else if (browser_defaults::bookmarks_enabled && 2365 profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar) && 2366 !ShouldHideUIForFullscreen()) { 2367 state = BookmarkBar::SHOW; 2368 } else { 2369 WebContents* web_contents = tab_strip_model_->GetActiveWebContents(); 2370 BookmarkTabHelper* bookmark_tab_helper = 2371 web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL; 2372 if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar()) 2373 state = BookmarkBar::DETACHED; 2374 else 2375 state = BookmarkBar::HIDDEN; 2376 } 2377 2378 if (state == bookmark_bar_state_) 2379 return; 2380 2381 bookmark_bar_state_ = state; 2382 2383 if (!window_) 2384 return; // This is called from the constructor when window_ is NULL. 2385 2386 if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) { 2387 // Don't notify BrowserWindow on a tab switch as at the time this is invoked 2388 // BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations 2389 // end up querying state once they process the tab switch. 2390 return; 2391 } 2392 2393 bool shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE; 2394 window_->BookmarkBarStateChanged(shouldAnimate ? 2395 BookmarkBar::ANIMATE_STATE_CHANGE : 2396 BookmarkBar::DONT_ANIMATE_STATE_CHANGE); 2397 } 2398 2399 bool Browser::ShouldHideUIForFullscreen() const { 2400 // Windows and GTK remove the top controls in fullscreen, but Mac and Ash 2401 // keep the controls in a slide-down panel. 2402 return window_ && window_->ShouldHideUIForFullscreen(); 2403 } 2404 2405 bool Browser::MaybeCreateBackgroundContents( 2406 int route_id, 2407 WebContents* opener_web_contents, 2408 const base::string16& frame_name, 2409 const GURL& target_url, 2410 const std::string& partition_id, 2411 content::SessionStorageNamespace* session_storage_namespace) { 2412 GURL opener_url = opener_web_contents->GetURL(); 2413 ExtensionService* extensions_service = 2414 extensions::ExtensionSystem::Get(profile_)->extension_service(); 2415 2416 if (!opener_url.is_valid() || 2417 frame_name.empty() || 2418 !extensions_service || 2419 !extensions_service->is_ready()) 2420 return false; 2421 2422 // Only hosted apps have web extents, so this ensures that only hosted apps 2423 // can create BackgroundContents. We don't have to check for background 2424 // permission as that is checked in RenderMessageFilter when the CreateWindow 2425 // message is processed. 2426 const Extension* extension = 2427 extensions_service->extensions()->GetHostedAppByURL(opener_url); 2428 if (!extension) 2429 return false; 2430 2431 // No BackgroundContents allowed if BackgroundContentsService doesn't exist. 2432 BackgroundContentsService* service = 2433 BackgroundContentsServiceFactory::GetForProfile(profile_); 2434 if (!service) 2435 return false; 2436 2437 // Ensure that we're trying to open this from the extension's process. 2438 SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance(); 2439 extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile_); 2440 if (!opener_site_instance->GetProcess() || 2441 !process_map->Contains( 2442 extension->id(), opener_site_instance->GetProcess()->GetID())) { 2443 return false; 2444 } 2445 2446 // Only allow a single background contents per app. 2447 bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension); 2448 BackgroundContents* existing = 2449 service->GetAppBackgroundContents(base::ASCIIToUTF16(extension->id())); 2450 if (existing) { 2451 // For non-scriptable background contents, ignore the request altogether, 2452 // (returning true, so that a regular WebContents isn't created either). 2453 if (!allow_js_access) 2454 return true; 2455 // For scriptable background pages, if one already exists, close it (even 2456 // if it was specified in the manifest). 2457 delete existing; 2458 } 2459 2460 // If script access is not allowed, create the the background contents in a 2461 // new SiteInstance, so that a separate process is used. 2462 scoped_refptr<content::SiteInstance> site_instance = 2463 allow_js_access ? 2464 opener_site_instance : 2465 content::SiteInstance::Create(opener_web_contents->GetBrowserContext()); 2466 2467 // Passed all the checks, so this should be created as a BackgroundContents. 2468 BackgroundContents* contents = 2469 service->CreateBackgroundContents(site_instance.get(), 2470 route_id, 2471 profile_, 2472 frame_name, 2473 base::ASCIIToUTF16(extension->id()), 2474 partition_id, 2475 session_storage_namespace); 2476 2477 // When a separate process is used, the original renderer cannot access the 2478 // new window later, thus we need to navigate the window now. 2479 if (contents && !allow_js_access) { 2480 contents->web_contents()->GetController().LoadURL( 2481 target_url, 2482 content::Referrer(), 2483 ui::PAGE_TRANSITION_LINK, 2484 std::string()); // No extra headers. 2485 } 2486 2487 return contents != NULL; 2488 } 2489
