chrome/browser/ui/browser_command_controller.cc

   1 // Copyright (c) 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_command_controller.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "chrome/app/chrome_command_ids.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/browser/defaults.h"
  13 #include "chrome/browser/extensions/extension_service.h"
  14 #include "chrome/browser/extensions/extension_util.h"
  15 #include "chrome/browser/lifetime/application_lifetime.h"
  16 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/profiles/profile_manager.h"
  19 #include "chrome/browser/sessions/tab_restore_service.h"
  20 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  21 #include "chrome/browser/shell_integration.h"
  22 #include "chrome/browser/signin/signin_promo.h"
  23 #include "chrome/browser/sync/profile_sync_service.h"
  24 #include "chrome/browser/sync/profile_sync_service_factory.h"
  25 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
  26 #include "chrome/browser/ui/browser.h"
  27 #include "chrome/browser/ui/browser_commands.h"
  28 #include "chrome/browser/ui/browser_window.h"
  29 #include "chrome/browser/ui/chrome_pages.h"
  30 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  31 #include "chrome/browser/ui/tabs/tab_strip_model_utils.h"
  32 #include "chrome/browser/ui/webui/inspect_ui.h"
  33 #include "chrome/common/chrome_switches.h"
  34 #include "chrome/common/content_restriction.h"
  35 #include "chrome/common/pref_names.h"
  36 #include "chrome/common/profiling.h"
  37 #include "content/public/browser/native_web_keyboard_event.h"
  38 #include "content/public/browser/navigation_controller.h"
  39 #include "content/public/browser/navigation_entry.h"
  40 #include "content/public/browser/user_metrics.h"
  41 #include "content/public/browser/web_contents.h"
  42 #include "content/public/browser/web_contents_observer.h"
  43 #include "content/public/common/url_constants.h"
  44 #include "extensions/browser/extension_system.h"
  45 #include "ui/events/keycodes/keyboard_codes.h"
  46
  47 #if defined(OS_MACOSX)
  48 #include "chrome/browser/ui/browser_commands_mac.h"
  49 #endif
  50
  51 #if defined(OS_WIN)
  52 #include "base/win/metro.h"
  53 #include "base/win/windows_version.h"
  54 #include "chrome/browser/ui/apps/apps_metro_handler_win.h"
  55 #include "content/public/browser/gpu_data_manager.h"
  56 #endif
  57
  58 #if defined(USE_ASH)
  59 #include "ash/accelerators/accelerator_commands.h"
  60 #include "chrome/browser/ui/ash/ash_util.h"
  61 #endif
  62
  63 #if defined(OS_CHROMEOS)
  64 #include "ash/multi_profile_uma.h"
  65 #include "ash/session/session_state_delegate.h"
  66 #include "ash/shell.h"
  67 #include "chrome/browser/ui/ash/multi_user/multi_user_context_menu.h"
  68 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
  69 #include "chrome/browser/ui/browser_commands_chromeos.h"
  70 #endif
  71
  72 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  73 #include "ui/events/linux/text_edit_key_bindings_delegate_auralinux.h"
  74 #endif
  75
  76 using content::NavigationEntry;
  77 using content::NavigationController;
  78 using content::WebContents;
  79
  80 namespace {
  81
  82 enum WindowState {
  83   // Not in fullscreen mode.
  84   WINDOW_STATE_NOT_FULLSCREEN,
  85
  86   // Fullscreen mode, occupying the whole screen.
  87   WINDOW_STATE_FULLSCREEN,
  88
  89   // Fullscreen mode for metro snap, occupying the full height and 20% of
  90   // the screen width.
  91   WINDOW_STATE_METRO_SNAP,
  92 };
  93
  94 // Returns |true| if entry has an internal chrome:// URL, |false| otherwise.
  95 bool HasInternalURL(const NavigationEntry* entry) {
  96   if (!entry)
  97     return false;
  98
  99   // Check the |virtual_url()| first. This catches regular chrome:// URLs
 100   // including URLs that were rewritten (such as chrome://bookmarks).
 101   if (entry->GetVirtualURL().SchemeIs(content::kChromeUIScheme))
 102     return true;
 103
 104   // If the |virtual_url()| isn't a chrome:// URL, check if it's actually
 105   // view-source: of a chrome:// URL.
 106   if (entry->GetVirtualURL().SchemeIs(content::kViewSourceScheme))
 107     return entry->GetURL().SchemeIs(content::kChromeUIScheme);
 108
 109   return false;
 110 }
 111
 112 #if defined(OS_WIN)
 113 // Windows 8 specific helper class to manage DefaultBrowserWorker. It does the
 114 // following asynchronous actions in order:
 115 // 1- Check that chrome is the default browser
 116 // 2- If we are the default, restart chrome in metro and exit
 117 // 3- If not the default browser show the 'select default browser' system dialog
 118 // 4- When dialog dismisses check again who got made the default
 119 // 5- If we are the default then restart chrome in metro and exit
 120 // 6- If we are not the default exit.
 121 //
 122 // Note: this class deletes itself.
 123 class SwitchToMetroUIHandler
 124     : public ShellIntegration::DefaultWebClientObserver {
 125  public:
 126   SwitchToMetroUIHandler()
 127       : default_browser_worker_(
 128             new ShellIntegration::DefaultBrowserWorker(this)),
 129         first_check_(true) {
 130     default_browser_worker_->StartCheckIsDefault();
 131   }
 132
 133   virtual ~SwitchToMetroUIHandler() {
 134     default_browser_worker_->ObserverDestroyed();
 135   }
 136
 137  private:
 138   virtual void SetDefaultWebClientUIState(
 139       ShellIntegration::DefaultWebClientUIState state) override {
 140     switch (state) {
 141       case ShellIntegration::STATE_PROCESSING:
 142         return;
 143       case ShellIntegration::STATE_UNKNOWN :
 144         break;
 145       case ShellIntegration::STATE_IS_DEFAULT:
 146         chrome::AttemptRestartToMetroMode();
 147         break;
 148       case ShellIntegration::STATE_NOT_DEFAULT:
 149         if (first_check_) {
 150           default_browser_worker_->StartSetAsDefault();
 151           return;
 152         }
 153         break;
 154       default:
 155         NOTREACHED();
 156     }
 157     delete this;
 158   }
 159
 160   virtual void OnSetAsDefaultConcluded(bool success)  override {
 161     if (!success) {
 162       delete this;
 163       return;
 164     }
 165     first_check_ = false;
 166     default_browser_worker_->StartCheckIsDefault();
 167   }
 168
 169   virtual bool IsInteractiveSetDefaultPermitted() override {
 170     return true;
 171   }
 172
 173   scoped_refptr<ShellIntegration::DefaultBrowserWorker> default_browser_worker_;
 174   bool first_check_;
 175
 176   DISALLOW_COPY_AND_ASSIGN(SwitchToMetroUIHandler);
 177 };
 178 #endif  // defined(OS_WIN)
 179
 180 }  // namespace
 181
 182 namespace chrome {
 183
 184 ///////////////////////////////////////////////////////////////////////////////
 185 // BrowserCommandController, public:
 186
 187 BrowserCommandController::BrowserCommandController(Browser* browser)
 188     : browser_(browser),
 189       command_updater_(this),
 190       block_command_execution_(false),
 191       last_blocked_command_id_(-1),
 192       last_blocked_command_disposition_(CURRENT_TAB) {
 193   browser_->tab_strip_model()->AddObserver(this);
 194   PrefService* local_state = g_browser_process->local_state();
 195   if (local_state) {
 196     local_pref_registrar_.Init(local_state);
 197     local_pref_registrar_.Add(
 198         prefs::kAllowFileSelectionDialogs,
 199         base::Bind(
 200             &BrowserCommandController::UpdateCommandsForFileSelectionDialogs,
 201             base::Unretained(this)));
 202   }
 203
 204   profile_pref_registrar_.Init(profile()->GetPrefs());
 205   profile_pref_registrar_.Add(
 206       prefs::kDevToolsDisabled,
 207       base::Bind(&BrowserCommandController::UpdateCommandsForDevTools,
 208                  base::Unretained(this)));
 209   profile_pref_registrar_.Add(
 210       bookmarks::prefs::kEditBookmarksEnabled,
 211       base::Bind(&BrowserCommandController::UpdateCommandsForBookmarkEditing,
 212                  base::Unretained(this)));
 213   profile_pref_registrar_.Add(
 214       bookmarks::prefs::kShowBookmarkBar,
 215       base::Bind(&BrowserCommandController::UpdateCommandsForBookmarkBar,
 216                  base::Unretained(this)));
 217   profile_pref_registrar_.Add(
 218       prefs::kIncognitoModeAvailability,
 219       base::Bind(
 220           &BrowserCommandController::UpdateCommandsForIncognitoAvailability,
 221           base::Unretained(this)));
 222   profile_pref_registrar_.Add(
 223       prefs::kPrintingEnabled,
 224       base::Bind(&BrowserCommandController::UpdatePrintingState,
 225                  base::Unretained(this)));
 226 #if !defined(OS_MACOSX)
 227   profile_pref_registrar_.Add(
 228       prefs::kFullscreenAllowed,
 229       base::Bind(&BrowserCommandController::UpdateCommandsForFullscreenMode,
 230                  base::Unretained(this)));
 231 #endif
 232   pref_signin_allowed_.Init(
 233       prefs::kSigninAllowed,
 234       profile()->GetOriginalProfile()->GetPrefs(),
 235       base::Bind(&BrowserCommandController::OnSigninAllowedPrefChange,
 236                  base::Unretained(this)));
 237
 238   InitCommandState();
 239
 240   TabRestoreService* tab_restore_service =
 241       TabRestoreServiceFactory::GetForProfile(profile());
 242   if (tab_restore_service) {
 243     tab_restore_service->AddObserver(this);
 244     TabRestoreServiceChanged(tab_restore_service);
 245   }
 246 }
 247
 248 BrowserCommandController::~BrowserCommandController() {
 249   // TabRestoreService may have been shutdown by the time we get here. Don't
 250   // trigger creating it.
 251   TabRestoreService* tab_restore_service =
 252       TabRestoreServiceFactory::GetForProfileIfExisting(profile());
 253   if (tab_restore_service)
 254     tab_restore_service->RemoveObserver(this);
 255   profile_pref_registrar_.RemoveAll();
 256   local_pref_registrar_.RemoveAll();
 257   browser_->tab_strip_model()->RemoveObserver(this);
 258 }
 259
 260 bool BrowserCommandController::IsReservedCommandOrKey(
 261     int command_id,
 262     const content::NativeWebKeyboardEvent& event) {
 263   // In Apps mode, no keys are reserved.
 264   if (browser_->is_app())
 265     return false;
 266
 267 #if defined(OS_CHROMEOS)
 268   // On Chrome OS, the top row of keys are mapped to browser actions like
 269   // back/forward or refresh. We don't want web pages to be able to change the
 270   // behavior of these keys.  Ash handles F4 and up; this leaves us needing to
 271   // reserve browser back/forward and refresh here.
 272   ui::KeyboardCode key_code =
 273     static_cast<ui::KeyboardCode>(event.windowsKeyCode);
 274   if ((key_code == ui::VKEY_BROWSER_BACK && command_id == IDC_BACK) ||
 275       (key_code == ui::VKEY_BROWSER_FORWARD && command_id == IDC_FORWARD) ||
 276       (key_code == ui::VKEY_BROWSER_REFRESH && command_id == IDC_RELOAD)) {
 277     return true;
 278   }
 279 #endif
 280
 281   if (window()->IsFullscreen() && command_id == IDC_FULLSCREEN)
 282     return true;
 283
 284 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 285   // If this key was registered by the user as a content editing hotkey, then
 286   // it is not reserved.
 287   ui::TextEditKeyBindingsDelegateAuraLinux* delegate =
 288       ui::GetTextEditKeyBindingsDelegate();
 289   if (delegate && event.os_event && delegate->MatchEvent(*event.os_event, NULL))
 290     return false;
 291 #endif
 292
 293   return command_id == IDC_CLOSE_TAB ||
 294          command_id == IDC_CLOSE_WINDOW ||
 295          command_id == IDC_NEW_INCOGNITO_WINDOW ||
 296          command_id == IDC_NEW_TAB ||
 297          command_id == IDC_NEW_WINDOW ||
 298          command_id == IDC_RESTORE_TAB ||
 299          command_id == IDC_SELECT_NEXT_TAB ||
 300          command_id == IDC_SELECT_PREVIOUS_TAB ||
 301          command_id == IDC_EXIT;
 302 }
 303
 304 void BrowserCommandController::SetBlockCommandExecution(bool block) {
 305   block_command_execution_ = block;
 306   if (block) {
 307     last_blocked_command_id_ = -1;
 308     last_blocked_command_disposition_ = CURRENT_TAB;
 309   }
 310 }
 311
 312 int BrowserCommandController::GetLastBlockedCommand(
 313     WindowOpenDisposition* disposition) {
 314   if (disposition)
 315     *disposition = last_blocked_command_disposition_;
 316   return last_blocked_command_id_;
 317 }
 318
 319 void BrowserCommandController::TabStateChanged() {
 320   UpdateCommandsForTabState();
 321 }
 322
 323 void BrowserCommandController::ZoomStateChanged() {
 324   UpdateCommandsForZoomState();
 325 }
 326
 327 void BrowserCommandController::ContentRestrictionsChanged() {
 328   UpdateCommandsForContentRestrictionState();
 329 }
 330
 331 void BrowserCommandController::FullscreenStateChanged() {
 332   UpdateCommandsForFullscreenMode();
 333 }
 334
 335 void BrowserCommandController::PrintingStateChanged() {
 336   UpdatePrintingState();
 337 }
 338
 339 void BrowserCommandController::LoadingStateChanged(bool is_loading,
 340                                                    bool force) {
 341   UpdateReloadStopState(is_loading, force);
 342 }
 343
 344 ////////////////////////////////////////////////////////////////////////////////
 345 // BrowserCommandController, CommandUpdaterDelegate implementation:
 346
 347 void BrowserCommandController::ExecuteCommandWithDisposition(
 348     int id,
 349     WindowOpenDisposition disposition) {
 350   // No commands are enabled if there is not yet any selected tab.
 351   // TODO(pkasting): It seems like we should not need this, because either
 352   // most/all commands should not have been enabled yet anyway or the ones that
 353   // are enabled should be global, or safe themselves against having no selected
 354   // tab.  However, Ben says he tried removing this before and got lots of
 355   // crashes, e.g. from Windows sending WM_COMMANDs at random times during
 356   // window construction.  This probably could use closer examination someday.
 357   if (browser_->tab_strip_model()->active_index() == TabStripModel::kNoTab)
 358     return;
 359
 360   DCHECK(command_updater_.IsCommandEnabled(id)) << "Invalid/disabled command "
 361                                                 << id;
 362
 363   // If command execution is blocked then just record the command and return.
 364   if (block_command_execution_) {
 365     // We actually only allow no more than one blocked command, otherwise some
 366     // commands maybe lost.
 367     DCHECK_EQ(last_blocked_command_id_, -1);
 368     last_blocked_command_id_ = id;
 369     last_blocked_command_disposition_ = disposition;
 370     return;
 371   }
 372
 373   // The order of commands in this switch statement must match the function
 374   // declaration order in browser.h!
 375   switch (id) {
 376     // Navigation commands
 377     case IDC_BACK:
 378       GoBack(browser_, disposition);
 379       break;
 380     case IDC_FORWARD:
 381       GoForward(browser_, disposition);
 382       break;
 383     case IDC_RELOAD:
 384       Reload(browser_, disposition);
 385       break;
 386     case IDC_RELOAD_CLEARING_CACHE:
 387       ClearCache(browser_);
 388       // FALL THROUGH
 389     case IDC_RELOAD_IGNORING_CACHE:
 390       ReloadIgnoringCache(browser_, disposition);
 391       break;
 392     case IDC_HOME:
 393       Home(browser_, disposition);
 394       break;
 395     case IDC_OPEN_CURRENT_URL:
 396       OpenCurrentURL(browser_);
 397       break;
 398     case IDC_STOP:
 399       Stop(browser_);
 400       break;
 401
 402      // Window management commands
 403     case IDC_NEW_WINDOW:
 404       NewWindow(browser_);
 405       break;
 406     case IDC_NEW_INCOGNITO_WINDOW:
 407       NewIncognitoWindow(browser_);
 408       break;
 409     case IDC_CLOSE_WINDOW:
 410       content::RecordAction(base::UserMetricsAction("CloseWindowByKey"));
 411       CloseWindow(browser_);
 412       break;
 413     case IDC_NEW_TAB:
 414       NewTab(browser_);
 415       break;
 416     case IDC_CLOSE_TAB:
 417       content::RecordAction(base::UserMetricsAction("CloseTabByKey"));
 418       CloseTab(browser_);
 419       break;
 420     case IDC_SELECT_NEXT_TAB:
 421       content::RecordAction(base::UserMetricsAction("Accel_SelectNextTab"));
 422       SelectNextTab(browser_);
 423       break;
 424     case IDC_SELECT_PREVIOUS_TAB:
 425       content::RecordAction(
 426           base::UserMetricsAction("Accel_SelectPreviousTab"));
 427       SelectPreviousTab(browser_);
 428       break;
 429     case IDC_MOVE_TAB_NEXT:
 430       MoveTabNext(browser_);
 431       break;
 432     case IDC_MOVE_TAB_PREVIOUS:
 433       MoveTabPrevious(browser_);
 434       break;
 435     case IDC_SELECT_TAB_0:
 436     case IDC_SELECT_TAB_1:
 437     case IDC_SELECT_TAB_2:
 438     case IDC_SELECT_TAB_3:
 439     case IDC_SELECT_TAB_4:
 440     case IDC_SELECT_TAB_5:
 441     case IDC_SELECT_TAB_6:
 442     case IDC_SELECT_TAB_7:
 443       SelectNumberedTab(browser_, id - IDC_SELECT_TAB_0);
 444       break;
 445     case IDC_SELECT_LAST_TAB:
 446       SelectLastTab(browser_);
 447       break;
 448     case IDC_DUPLICATE_TAB:
 449       DuplicateTab(browser_);
 450       break;
 451     case IDC_RESTORE_TAB:
 452       RestoreTab(browser_);
 453       break;
 454     case IDC_SHOW_AS_TAB:
 455       ConvertPopupToTabbedBrowser(browser_);
 456       break;
 457     case IDC_FULLSCREEN:
 458 #if defined(OS_MACOSX)
 459       chrome::ToggleFullscreenWithChromeOrFallback(browser_);
 460 #else
 461       chrome::ToggleFullscreenMode(browser_);
 462 #endif
 463       break;
 464
 465 #if defined(OS_CHROMEOS)
 466     case IDC_VISIT_DESKTOP_OF_LRU_USER_2:
 467     case IDC_VISIT_DESKTOP_OF_LRU_USER_3:
 468       ExecuteVisitDesktopCommand(id, browser_->window()->GetNativeWindow());
 469       break;
 470 #endif
 471
 472 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 473     case IDC_USE_SYSTEM_TITLE_BAR: {
 474       PrefService* prefs = browser_->profile()->GetPrefs();
 475       prefs->SetBoolean(prefs::kUseCustomChromeFrame,
 476                         !prefs->GetBoolean(prefs::kUseCustomChromeFrame));
 477       break;
 478     }
 479 #endif
 480
 481 #if defined(OS_WIN)
 482     // Windows 8 specific commands.
 483     case IDC_METRO_SNAP_ENABLE:
 484       browser_->SetMetroSnapMode(true);
 485       break;
 486     case IDC_METRO_SNAP_DISABLE:
 487       browser_->SetMetroSnapMode(false);
 488       break;
 489     case IDC_WIN_DESKTOP_RESTART:
 490       if (!VerifyASHSwitchForApps(window()->GetNativeWindow(), id))
 491         break;
 492
 493       chrome::AttemptRestartToDesktopMode();
 494       if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 495         content::RecordAction(base::UserMetricsAction("Win8DesktopRestart"));
 496       } else {
 497         content::RecordAction(base::UserMetricsAction("Win7DesktopRestart"));
 498       }
 499       break;
 500     case IDC_WIN8_METRO_RESTART:
 501     case IDC_WIN_CHROMEOS_RESTART:
 502       if (!VerifyASHSwitchForApps(window()->GetNativeWindow(), id))
 503         break;
 504       if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 505         // SwitchToMetroUIHandler deletes itself.
 506         new SwitchToMetroUIHandler;
 507         content::RecordAction(base::UserMetricsAction("Win8MetroRestart"));
 508       } else {
 509         content::RecordAction(base::UserMetricsAction("Win7ASHRestart"));
 510         chrome::AttemptRestartToMetroMode();
 511       }
 512       break;
 513 #endif
 514
 515 #if defined(OS_MACOSX)
 516     case IDC_PRESENTATION_MODE:
 517       chrome::ToggleFullscreenMode(browser_);
 518       break;
 519 #endif
 520     case IDC_EXIT:
 521       Exit();
 522       break;
 523
 524     // Page-related commands
 525     case IDC_SAVE_PAGE:
 526       SavePage(browser_);
 527       break;
 528     case IDC_BOOKMARK_PAGE:
 529       BookmarkCurrentPage(browser_);
 530       break;
 531     case IDC_PIN_TO_START_SCREEN:
 532       TogglePagePinnedToStartScreen(browser_);
 533       break;
 534     case IDC_BOOKMARK_ALL_TABS:
 535       BookmarkAllTabs(browser_);
 536       break;
 537     case IDC_VIEW_SOURCE:
 538       ViewSelectedSource(browser_);
 539       break;
 540     case IDC_EMAIL_PAGE_LOCATION:
 541       EmailPageLocation(browser_);
 542       break;
 543     case IDC_PRINT:
 544       Print(browser_);
 545       break;
 546 #if !defined(DISABLE_BASIC_PRINTING)
 547     case IDC_BASIC_PRINT:
 548       content::RecordAction(base::UserMetricsAction("Accel_Advanced_Print"));
 549       BasicPrint(browser_);
 550       break;
 551 #endif  // !DISABLE_BASIC_PRINTING
 552     case IDC_TRANSLATE_PAGE:
 553       Translate(browser_);
 554       break;
 555     case IDC_MANAGE_PASSWORDS_FOR_PAGE:
 556       ManagePasswordsForPage(browser_);
 557       break;
 558
 559     // Page encoding commands
 560     case IDC_ENCODING_AUTO_DETECT:
 561       browser_->ToggleEncodingAutoDetect();
 562       break;
 563     case IDC_ENCODING_UTF8:
 564     case IDC_ENCODING_UTF16LE:
 565     case IDC_ENCODING_ISO88591:
 566     case IDC_ENCODING_WINDOWS1252:
 567     case IDC_ENCODING_GBK:
 568     case IDC_ENCODING_GB18030:
 569     case IDC_ENCODING_BIG5HKSCS:
 570     case IDC_ENCODING_BIG5:
 571     case IDC_ENCODING_KOREAN:
 572     case IDC_ENCODING_SHIFTJIS:
 573     case IDC_ENCODING_ISO2022JP:
 574     case IDC_ENCODING_EUCJP:
 575     case IDC_ENCODING_THAI:
 576     case IDC_ENCODING_ISO885915:
 577     case IDC_ENCODING_MACINTOSH:
 578     case IDC_ENCODING_ISO88592:
 579     case IDC_ENCODING_WINDOWS1250:
 580     case IDC_ENCODING_ISO88595:
 581     case IDC_ENCODING_WINDOWS1251:
 582     case IDC_ENCODING_KOI8R:
 583     case IDC_ENCODING_KOI8U:
 584     case IDC_ENCODING_ISO88597:
 585     case IDC_ENCODING_WINDOWS1253:
 586     case IDC_ENCODING_ISO88594:
 587     case IDC_ENCODING_ISO885913:
 588     case IDC_ENCODING_WINDOWS1257:
 589     case IDC_ENCODING_ISO88593:
 590     case IDC_ENCODING_ISO885910:
 591     case IDC_ENCODING_ISO885914:
 592     case IDC_ENCODING_ISO885916:
 593     case IDC_ENCODING_WINDOWS1254:
 594     case IDC_ENCODING_ISO88596:
 595     case IDC_ENCODING_WINDOWS1256:
 596     case IDC_ENCODING_ISO88598:
 597     case IDC_ENCODING_ISO88598I:
 598     case IDC_ENCODING_WINDOWS1255:
 599     case IDC_ENCODING_WINDOWS1258:
 600       browser_->OverrideEncoding(id);
 601       break;
 602
 603     // Clipboard commands
 604     case IDC_CUT:
 605       Cut(browser_);
 606       break;
 607     case IDC_COPY:
 608       Copy(browser_);
 609       break;
 610     case IDC_PASTE:
 611       Paste(browser_);
 612       break;
 613
 614     // Find-in-page
 615     case IDC_FIND:
 616       Find(browser_);
 617       break;
 618     case IDC_FIND_NEXT:
 619       FindNext(browser_);
 620       break;
 621     case IDC_FIND_PREVIOUS:
 622       FindPrevious(browser_);
 623       break;
 624
 625     // Zoom
 626     case IDC_ZOOM_PLUS:
 627       Zoom(browser_, content::PAGE_ZOOM_IN);
 628       break;
 629     case IDC_ZOOM_NORMAL:
 630       Zoom(browser_, content::PAGE_ZOOM_RESET);
 631       break;
 632     case IDC_ZOOM_MINUS:
 633       Zoom(browser_, content::PAGE_ZOOM_OUT);
 634       break;
 635
 636     // Focus various bits of UI
 637     case IDC_FOCUS_TOOLBAR:
 638       content::RecordAction(base::UserMetricsAction("Accel_Focus_Toolbar"));
 639       FocusToolbar(browser_);
 640       break;
 641     case IDC_FOCUS_LOCATION:
 642       content::RecordAction(base::UserMetricsAction("Accel_Focus_Location"));
 643       FocusLocationBar(browser_);
 644       break;
 645     case IDC_FOCUS_SEARCH:
 646       content::RecordAction(base::UserMetricsAction("Accel_Focus_Search"));
 647       FocusSearch(browser_);
 648       break;
 649     case IDC_FOCUS_MENU_BAR:
 650       FocusAppMenu(browser_);
 651       break;
 652     case IDC_FOCUS_BOOKMARKS:
 653       content::RecordAction(
 654           base::UserMetricsAction("Accel_Focus_Bookmarks"));
 655       FocusBookmarksToolbar(browser_);
 656       break;
 657     case IDC_FOCUS_INFOBARS:
 658       FocusInfobars(browser_);
 659       break;
 660     case IDC_FOCUS_NEXT_PANE:
 661       FocusNextPane(browser_);
 662       break;
 663     case IDC_FOCUS_PREVIOUS_PANE:
 664       FocusPreviousPane(browser_);
 665       break;
 666
 667     // Show various bits of UI
 668     case IDC_OPEN_FILE:
 669       browser_->OpenFile();
 670       break;
 671     case IDC_CREATE_SHORTCUTS:
 672       CreateApplicationShortcuts(browser_);
 673       break;
 674     case IDC_CREATE_HOSTED_APP:
 675       CreateBookmarkAppFromCurrentWebContents(browser_);
 676       break;
 677     case IDC_DEV_TOOLS:
 678       ToggleDevToolsWindow(browser_, DevToolsToggleAction::Show());
 679       break;
 680     case IDC_DEV_TOOLS_CONSOLE:
 681       ToggleDevToolsWindow(browser_, DevToolsToggleAction::ShowConsole());
 682       break;
 683     case IDC_DEV_TOOLS_DEVICES:
 684       InspectUI::InspectDevices(browser_);
 685       break;
 686     case IDC_DEV_TOOLS_INSPECT:
 687       ToggleDevToolsWindow(browser_, DevToolsToggleAction::Inspect());
 688       break;
 689     case IDC_DEV_TOOLS_TOGGLE:
 690       ToggleDevToolsWindow(browser_, DevToolsToggleAction::Toggle());
 691       break;
 692     case IDC_TASK_MANAGER:
 693       OpenTaskManager(browser_);
 694       break;
 695 #if defined(OS_CHROMEOS)
 696     case IDC_TAKE_SCREENSHOT:
 697       TakeScreenshot();
 698       break;
 699 #endif
 700 #if defined(GOOGLE_CHROME_BUILD)
 701     case IDC_FEEDBACK:
 702       OpenFeedbackDialog(browser_);
 703       break;
 704 #endif
 705     case IDC_SHOW_BOOKMARK_BAR:
 706       ToggleBookmarkBar(browser_);
 707       break;
 708     case IDC_PROFILING_ENABLED:
 709       Profiling::Toggle();
 710       break;
 711
 712     case IDC_SHOW_BOOKMARK_MANAGER:
 713       ShowBookmarkManager(browser_);
 714       break;
 715     case IDC_SHOW_APP_MENU:
 716       content::RecordAction(base::UserMetricsAction("Accel_Show_App_Menu"));
 717       ShowAppMenu(browser_);
 718       break;
 719     case IDC_SHOW_AVATAR_MENU:
 720       ShowAvatarMenu(browser_);
 721       break;
 722     case IDC_SHOW_HISTORY:
 723       ShowHistory(browser_);
 724       break;
 725     case IDC_SHOW_DOWNLOADS:
 726       ShowDownloads(browser_);
 727       break;
 728     case IDC_MANAGE_EXTENSIONS:
 729       ShowExtensions(browser_, std::string());
 730       break;
 731     case IDC_OPTIONS:
 732       ShowSettings(browser_);
 733       break;
 734     case IDC_EDIT_SEARCH_ENGINES:
 735       ShowSearchEngineSettings(browser_);
 736       break;
 737     case IDC_VIEW_PASSWORDS:
 738       ShowPasswordManager(browser_);
 739       break;
 740     case IDC_CLEAR_BROWSING_DATA:
 741       ShowClearBrowsingDataDialog(browser_);
 742       break;
 743     case IDC_IMPORT_SETTINGS:
 744       ShowImportDialog(browser_);
 745       break;
 746     case IDC_TOGGLE_REQUEST_TABLET_SITE:
 747       ToggleRequestTabletSite(browser_);
 748       break;
 749     case IDC_ABOUT:
 750       ShowAboutChrome(browser_);
 751       break;
 752     case IDC_UPGRADE_DIALOG:
 753       OpenUpdateChromeDialog(browser_);
 754       break;
 755     case IDC_VIEW_INCOMPATIBILITIES:
 756       ShowConflicts(browser_);
 757       break;
 758     case IDC_HELP_PAGE_VIA_KEYBOARD:
 759       ShowHelp(browser_, HELP_SOURCE_KEYBOARD);
 760       break;
 761     case IDC_HELP_PAGE_VIA_MENU:
 762       ShowHelp(browser_, HELP_SOURCE_MENU);
 763       break;
 764     case IDC_SHOW_SIGNIN:
 765       ShowBrowserSignin(browser_, signin::SOURCE_MENU);
 766       break;
 767     case IDC_TOGGLE_SPEECH_INPUT:
 768       ToggleSpeechInput(browser_);
 769       break;
 770     case IDC_DISTILL_PAGE:
 771       DistillCurrentPage(browser_);
 772       break;
 773 #if defined(OS_CHROMEOS)
 774     case IDC_TOUCH_HUD_PROJECTION_TOGGLE:
 775       ash::accelerators::ToggleTouchHudProjection();
 776       break;
 777 #endif
 778
 779     default:
 780       LOG(WARNING) << "Received Unimplemented Command: " << id;
 781       break;
 782   }
 783 }
 784
 785 ////////////////////////////////////////////////////////////////////////////////
 786 // BrowserCommandController, SigninPrefObserver implementation:
 787
 788 void BrowserCommandController::OnSigninAllowedPrefChange() {
 789   // For unit tests, we don't have a window.
 790   if (!window())
 791     return;
 792   UpdateShowSyncState(IsShowingMainUI());
 793 }
 794
 795 // BrowserCommandController, TabStripModelObserver implementation:
 796
 797 void BrowserCommandController::TabInsertedAt(WebContents* contents,
 798                                              int index,
 799                                              bool foreground) {
 800   AddInterstitialObservers(contents);
 801 }
 802
 803 void BrowserCommandController::TabDetachedAt(WebContents* contents, int index) {
 804   RemoveInterstitialObservers(contents);
 805 }
 806
 807 void BrowserCommandController::TabReplacedAt(TabStripModel* tab_strip_model,
 808                                              WebContents* old_contents,
 809                                              WebContents* new_contents,
 810                                              int index) {
 811   RemoveInterstitialObservers(old_contents);
 812   AddInterstitialObservers(new_contents);
 813 }
 814
 815 void BrowserCommandController::TabBlockedStateChanged(
 816     content::WebContents* contents,
 817     int index) {
 818   PrintingStateChanged();
 819   FullscreenStateChanged();
 820   UpdateCommandsForFind();
 821 }
 822
 823 ////////////////////////////////////////////////////////////////////////////////
 824 // BrowserCommandController, TabRestoreServiceObserver implementation:
 825
 826 void BrowserCommandController::TabRestoreServiceChanged(
 827     TabRestoreService* service) {
 828   UpdateTabRestoreCommandState();
 829 }
 830
 831 void BrowserCommandController::TabRestoreServiceDestroyed(
 832     TabRestoreService* service) {
 833   service->RemoveObserver(this);
 834 }
 835
 836 void BrowserCommandController::TabRestoreServiceLoaded(
 837     TabRestoreService* service) {
 838   UpdateTabRestoreCommandState();
 839 }
 840
 841 ////////////////////////////////////////////////////////////////////////////////
 842 // BrowserCommandController, private:
 843
 844 class BrowserCommandController::InterstitialObserver
 845     : public content::WebContentsObserver {
 846  public:
 847   InterstitialObserver(BrowserCommandController* controller,
 848                        content::WebContents* web_contents)
 849       : WebContentsObserver(web_contents),
 850         controller_(controller) {
 851   }
 852
 853   virtual void DidAttachInterstitialPage() override {
 854     controller_->UpdateCommandsForTabState();
 855   }
 856
 857   virtual void DidDetachInterstitialPage() override {
 858     controller_->UpdateCommandsForTabState();
 859   }
 860
 861  private:
 862   BrowserCommandController* controller_;
 863
 864   DISALLOW_COPY_AND_ASSIGN(InterstitialObserver);
 865 };
 866
 867 bool BrowserCommandController::IsShowingMainUI() {
 868   bool should_hide_ui = window() && window()->ShouldHideUIForFullscreen();
 869   return browser_->is_type_tabbed() && !should_hide_ui;
 870 }
 871
 872 void BrowserCommandController::InitCommandState() {
 873   // All browser commands whose state isn't set automagically some other way
 874   // (like Back & Forward with initial page load) must have their state
 875   // initialized here, otherwise they will be forever disabled.
 876
 877   // Navigation commands
 878   command_updater_.UpdateCommandEnabled(IDC_RELOAD, true);
 879   command_updater_.UpdateCommandEnabled(IDC_RELOAD_IGNORING_CACHE, true);
 880   command_updater_.UpdateCommandEnabled(IDC_RELOAD_CLEARING_CACHE, true);
 881
 882   // Window management commands
 883   command_updater_.UpdateCommandEnabled(IDC_CLOSE_WINDOW, true);
 884   command_updater_.UpdateCommandEnabled(IDC_NEW_TAB, true);
 885   command_updater_.UpdateCommandEnabled(IDC_CLOSE_TAB, true);
 886   command_updater_.UpdateCommandEnabled(IDC_DUPLICATE_TAB, true);
 887   UpdateTabRestoreCommandState();
 888 #if defined(OS_WIN) && defined(USE_ASH)
 889   if (browser_->host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH)
 890     command_updater_.UpdateCommandEnabled(IDC_EXIT, true);
 891 #else
 892   command_updater_.UpdateCommandEnabled(IDC_EXIT, true);
 893 #endif
 894   command_updater_.UpdateCommandEnabled(IDC_DEBUG_FRAME_TOGGLE, true);
 895 #if defined(USE_ASH)
 896   command_updater_.UpdateCommandEnabled(IDC_MINIMIZE_WINDOW, true);
 897 #endif
 898 #if defined(OS_CHROMEOS)
 899   command_updater_.UpdateCommandEnabled(IDC_VISIT_DESKTOP_OF_LRU_USER_2, true);
 900   command_updater_.UpdateCommandEnabled(IDC_VISIT_DESKTOP_OF_LRU_USER_3, true);
 901 #endif
 902 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 903   command_updater_.UpdateCommandEnabled(IDC_USE_SYSTEM_TITLE_BAR, true);
 904 #endif
 905
 906   // Page-related commands
 907   command_updater_.UpdateCommandEnabled(IDC_EMAIL_PAGE_LOCATION, true);
 908   command_updater_.UpdateCommandEnabled(IDC_MANAGE_PASSWORDS_FOR_PAGE, true);
 909   command_updater_.UpdateCommandEnabled(IDC_ENCODING_AUTO_DETECT, true);
 910   command_updater_.UpdateCommandEnabled(IDC_ENCODING_UTF8, true);
 911   command_updater_.UpdateCommandEnabled(IDC_ENCODING_UTF16LE, true);
 912   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88591, true);
 913   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1252, true);
 914   command_updater_.UpdateCommandEnabled(IDC_ENCODING_GBK, true);
 915   command_updater_.UpdateCommandEnabled(IDC_ENCODING_GB18030, true);
 916   command_updater_.UpdateCommandEnabled(IDC_ENCODING_BIG5HKSCS, true);
 917   command_updater_.UpdateCommandEnabled(IDC_ENCODING_BIG5, true);
 918   command_updater_.UpdateCommandEnabled(IDC_ENCODING_THAI, true);
 919   command_updater_.UpdateCommandEnabled(IDC_ENCODING_KOREAN, true);
 920   command_updater_.UpdateCommandEnabled(IDC_ENCODING_SHIFTJIS, true);
 921   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO2022JP, true);
 922   command_updater_.UpdateCommandEnabled(IDC_ENCODING_EUCJP, true);
 923   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO885915, true);
 924   command_updater_.UpdateCommandEnabled(IDC_ENCODING_MACINTOSH, true);
 925   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88592, true);
 926   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1250, true);
 927   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88595, true);
 928   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1251, true);
 929   command_updater_.UpdateCommandEnabled(IDC_ENCODING_KOI8R, true);
 930   command_updater_.UpdateCommandEnabled(IDC_ENCODING_KOI8U, true);
 931   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88597, true);
 932   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1253, true);
 933   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88594, true);
 934   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO885913, true);
 935   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1257, true);
 936   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88593, true);
 937   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO885910, true);
 938   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO885914, true);
 939   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO885916, true);
 940   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1254, true);
 941   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88596, true);
 942   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1256, true);
 943   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88598, true);
 944   command_updater_.UpdateCommandEnabled(IDC_ENCODING_ISO88598I, true);
 945   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1255, true);
 946   command_updater_.UpdateCommandEnabled(IDC_ENCODING_WINDOWS1258, true);
 947
 948   // Zoom
 949   command_updater_.UpdateCommandEnabled(IDC_ZOOM_MENU, true);
 950   command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS, true);
 951   command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL, false);
 952   command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS, true);
 953
 954   // Show various bits of UI
 955   const bool guest_session = profile()->IsGuestSession();
 956   const bool normal_window = browser_->is_type_tabbed();
 957   UpdateOpenFileState(&command_updater_);
 958   command_updater_.UpdateCommandEnabled(IDC_CREATE_SHORTCUTS, false);
 959   UpdateCommandsForDevTools();
 960   command_updater_.UpdateCommandEnabled(IDC_TASK_MANAGER, CanOpenTaskManager());
 961   command_updater_.UpdateCommandEnabled(IDC_SHOW_HISTORY, !guest_session);
 962   command_updater_.UpdateCommandEnabled(IDC_SHOW_DOWNLOADS, true);
 963   command_updater_.UpdateCommandEnabled(IDC_HELP_MENU, true);
 964   command_updater_.UpdateCommandEnabled(IDC_HELP_PAGE_VIA_KEYBOARD, true);
 965   command_updater_.UpdateCommandEnabled(IDC_HELP_PAGE_VIA_MENU, true);
 966   command_updater_.UpdateCommandEnabled(IDC_BOOKMARKS_MENU, !guest_session);
 967   command_updater_.UpdateCommandEnabled(IDC_RECENT_TABS_MENU,
 968                                         !guest_session &&
 969                                         !profile()->IsOffTheRecord());
 970   command_updater_.UpdateCommandEnabled(IDC_CLEAR_BROWSING_DATA, normal_window);
 971 #if defined(OS_CHROMEOS)
 972   command_updater_.UpdateCommandEnabled(IDC_TAKE_SCREENSHOT, true);
 973   command_updater_.UpdateCommandEnabled(IDC_TOUCH_HUD_PROJECTION_TOGGLE, true);
 974 #else
 975   // Chrome OS uses the system tray menu to handle multi-profiles.
 976   if (normal_window && (guest_session || !profile()->IsOffTheRecord()))
 977     command_updater_.UpdateCommandEnabled(IDC_SHOW_AVATAR_MENU, true);
 978 #endif
 979
 980   UpdateShowSyncState(true);
 981
 982   // Navigation commands
 983   command_updater_.UpdateCommandEnabled(
 984       IDC_HOME,
 985       normal_window || (extensions::util::IsStreamlinedHostedAppsEnabled() &&
 986                         browser_->is_app()));
 987
 988   // Window management commands
 989   command_updater_.UpdateCommandEnabled(IDC_SELECT_NEXT_TAB, normal_window);
 990   command_updater_.UpdateCommandEnabled(IDC_SELECT_PREVIOUS_TAB,
 991                                         normal_window);
 992   command_updater_.UpdateCommandEnabled(IDC_MOVE_TAB_NEXT, normal_window);
 993   command_updater_.UpdateCommandEnabled(IDC_MOVE_TAB_PREVIOUS, normal_window);
 994   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_0, normal_window);
 995   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_1, normal_window);
 996   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_2, normal_window);
 997   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_3, normal_window);
 998   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_4, normal_window);
 999   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_5, normal_window);
1000   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_6, normal_window);
1001   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_7, normal_window);
1002   command_updater_.UpdateCommandEnabled(IDC_SELECT_LAST_TAB, normal_window);
1003 #if defined(OS_WIN)
1004   bool metro = browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH;
1005   command_updater_.UpdateCommandEnabled(IDC_METRO_SNAP_ENABLE, metro);
1006   command_updater_.UpdateCommandEnabled(IDC_METRO_SNAP_DISABLE, metro);
1007   int restart_mode = metro ? IDC_WIN_DESKTOP_RESTART :
1008       (base::win::GetVersion() >= base::win::VERSION_WIN8 ?
1009           IDC_WIN8_METRO_RESTART : IDC_WIN_CHROMEOS_RESTART);
1010   command_updater_.UpdateCommandEnabled(restart_mode, normal_window);
1011 #endif
1012
1013   // These are always enabled; the menu determines their menu item visibility.
1014   command_updater_.UpdateCommandEnabled(IDC_UPGRADE_DIALOG, true);
1015   command_updater_.UpdateCommandEnabled(IDC_VIEW_INCOMPATIBILITIES, true);
1016
1017   // Toggle speech input
1018   command_updater_.UpdateCommandEnabled(IDC_TOGGLE_SPEECH_INPUT, true);
1019
1020   // Distill current page.
1021   command_updater_.UpdateCommandEnabled(
1022       IDC_DISTILL_PAGE,
1023       CommandLine::ForCurrentProcess()->HasSwitch(
1024           switches::kEnableDomDistiller));
1025
1026   // Initialize other commands whose state changes based on various conditions.
1027   UpdateCommandsForFullscreenMode();
1028   UpdateCommandsForContentRestrictionState();
1029   UpdateCommandsForBookmarkEditing();
1030   UpdateCommandsForIncognitoAvailability();
1031 }
1032
1033 // static
1034 void BrowserCommandController::UpdateSharedCommandsForIncognitoAvailability(
1035     CommandUpdater* command_updater,
1036     Profile* profile) {
1037   const bool guest_session = profile->IsGuestSession();
1038   // TODO(mlerman): Make GetAvailability account for profile->IsGuestSession().
1039   IncognitoModePrefs::Availability incognito_availability =
1040       IncognitoModePrefs::GetAvailability(profile->GetPrefs());
1041   command_updater->UpdateCommandEnabled(
1042       IDC_NEW_WINDOW,
1043       incognito_availability != IncognitoModePrefs::FORCED);
1044   command_updater->UpdateCommandEnabled(
1045       IDC_NEW_INCOGNITO_WINDOW,
1046       incognito_availability != IncognitoModePrefs::DISABLED && !guest_session);
1047
1048   const bool forced_incognito =
1049       incognito_availability == IncognitoModePrefs::FORCED ||
1050       guest_session;  // Guest always runs in Incognito mode.
1051   command_updater->UpdateCommandEnabled(
1052       IDC_SHOW_BOOKMARK_MANAGER,
1053       browser_defaults::bookmarks_enabled && !forced_incognito);
1054   ExtensionService* extension_service =
1055       extensions::ExtensionSystem::Get(profile)->extension_service();
1056   const bool enable_extensions =
1057       extension_service && extension_service->extensions_enabled();
1058
1059   // Bookmark manager and settings page/subpages are forced to open in normal
1060   // mode. For this reason we disable these commands when incognito is forced.
1061   command_updater->UpdateCommandEnabled(IDC_MANAGE_EXTENSIONS,
1062                                         enable_extensions && !forced_incognito);
1063
1064   command_updater->UpdateCommandEnabled(IDC_IMPORT_SETTINGS, !forced_incognito);
1065   command_updater->UpdateCommandEnabled(IDC_OPTIONS,
1066                                         !forced_incognito || guest_session);
1067   command_updater->UpdateCommandEnabled(IDC_SHOW_SIGNIN, !forced_incognito);
1068 }
1069
1070 void BrowserCommandController::UpdateCommandsForIncognitoAvailability() {
1071   UpdateSharedCommandsForIncognitoAvailability(&command_updater_, profile());
1072
1073   if (!IsShowingMainUI()) {
1074     command_updater_.UpdateCommandEnabled(IDC_IMPORT_SETTINGS, false);
1075     command_updater_.UpdateCommandEnabled(IDC_OPTIONS, false);
1076   }
1077 }
1078
1079 void BrowserCommandController::UpdateCommandsForTabState() {
1080   WebContents* current_web_contents =
1081       browser_->tab_strip_model()->GetActiveWebContents();
1082   if (!current_web_contents)  // May be NULL during tab restore.
1083     return;
1084
1085   // Navigation commands
1086   command_updater_.UpdateCommandEnabled(IDC_BACK, CanGoBack(browser_));
1087   command_updater_.UpdateCommandEnabled(IDC_FORWARD, CanGoForward(browser_));
1088   command_updater_.UpdateCommandEnabled(IDC_RELOAD, CanReload(browser_));
1089   command_updater_.UpdateCommandEnabled(IDC_RELOAD_IGNORING_CACHE,
1090                                         CanReload(browser_));
1091   command_updater_.UpdateCommandEnabled(IDC_RELOAD_CLEARING_CACHE,
1092                                         CanReload(browser_));
1093
1094   // Window management commands
1095   command_updater_.UpdateCommandEnabled(IDC_DUPLICATE_TAB,
1096       !browser_->is_app() && CanDuplicateTab(browser_));
1097
1098   // Page-related commands
1099   window()->SetStarredState(
1100       BookmarkTabHelper::FromWebContents(current_web_contents)->is_starred());
1101   window()->ZoomChangedForActiveTab(false);
1102   command_updater_.UpdateCommandEnabled(IDC_VIEW_SOURCE,
1103                                         CanViewSource(browser_));
1104   command_updater_.UpdateCommandEnabled(IDC_EMAIL_PAGE_LOCATION,
1105                                         CanEmailPageLocation(browser_));
1106   if (browser_->is_devtools())
1107     command_updater_.UpdateCommandEnabled(IDC_OPEN_FILE, false);
1108
1109   // Changing the encoding is not possible on Chrome-internal webpages.
1110   NavigationController& nc = current_web_contents->GetController();
1111   bool is_chrome_internal = HasInternalURL(nc.GetLastCommittedEntry()) ||
1112       current_web_contents->ShowingInterstitialPage();
1113   command_updater_.UpdateCommandEnabled(IDC_ENCODING_MENU,
1114       !is_chrome_internal && current_web_contents->IsSavable());
1115
1116   // Show various bits of UI
1117   // TODO(pinkerton): Disable app-mode in the model until we implement it
1118   // on the Mac. Be sure to remove both ifdefs. http://crbug.com/13148
1119 #if !defined(OS_MACOSX)
1120   command_updater_.UpdateCommandEnabled(
1121       IDC_CREATE_SHORTCUTS,
1122       CanCreateApplicationShortcuts(browser_));
1123   command_updater_.UpdateCommandEnabled(IDC_CREATE_HOSTED_APP,
1124                                         CanCreateBookmarkApp(browser_));
1125 #endif
1126
1127   command_updater_.UpdateCommandEnabled(
1128       IDC_TOGGLE_REQUEST_TABLET_SITE,
1129       CanRequestTabletSite(current_web_contents));
1130
1131   UpdateCommandsForContentRestrictionState();
1132   UpdateCommandsForBookmarkEditing();
1133   UpdateCommandsForFind();
1134   // Update the zoom commands when an active tab is selected.
1135   UpdateCommandsForZoomState();
1136 }
1137
1138 void BrowserCommandController::UpdateCommandsForZoomState() {
1139   WebContents* contents =
1140       browser_->tab_strip_model()->GetActiveWebContents();
1141   if (!contents)
1142     return;
1143   command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS, CanZoomIn(contents));
1144   command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL, ActualSize(contents));
1145   command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS, CanZoomOut(contents));
1146 }
1147
1148 void BrowserCommandController::UpdateCommandsForContentRestrictionState() {
1149   int restrictions = GetContentRestrictions(browser_);
1150
1151   command_updater_.UpdateCommandEnabled(
1152       IDC_COPY, !(restrictions & CONTENT_RESTRICTION_COPY));
1153   command_updater_.UpdateCommandEnabled(
1154       IDC_CUT, !(restrictions & CONTENT_RESTRICTION_CUT));
1155   command_updater_.UpdateCommandEnabled(
1156       IDC_PASTE, !(restrictions & CONTENT_RESTRICTION_PASTE));
1157   UpdateSaveAsState();
1158   UpdatePrintingState();
1159 }
1160
1161 void BrowserCommandController::UpdateCommandsForDevTools() {
1162   bool dev_tools_enabled =
1163       !profile()->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled);
1164   command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS,
1165                                         dev_tools_enabled);
1166   command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_CONSOLE,
1167                                         dev_tools_enabled);
1168   command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_DEVICES,
1169                                         dev_tools_enabled);
1170   command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_INSPECT,
1171                                         dev_tools_enabled);
1172   command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_TOGGLE,
1173                                         dev_tools_enabled);
1174 }
1175
1176 void BrowserCommandController::UpdateCommandsForBookmarkEditing() {
1177   command_updater_.UpdateCommandEnabled(IDC_BOOKMARK_PAGE,
1178                                         CanBookmarkCurrentPage(browser_));
1179   command_updater_.UpdateCommandEnabled(IDC_BOOKMARK_ALL_TABS,
1180                                         CanBookmarkAllTabs(browser_));
1181   command_updater_.UpdateCommandEnabled(IDC_PIN_TO_START_SCREEN,
1182                                         true);
1183 }
1184
1185 void BrowserCommandController::UpdateCommandsForBookmarkBar() {
1186   command_updater_.UpdateCommandEnabled(
1187       IDC_SHOW_BOOKMARK_BAR,
1188       browser_defaults::bookmarks_enabled && !profile()->IsGuestSession() &&
1189           !profile()->GetPrefs()->IsManagedPreference(
1190               bookmarks::prefs::kShowBookmarkBar) &&
1191           IsShowingMainUI());
1192 }
1193
1194 void BrowserCommandController::UpdateCommandsForFileSelectionDialogs() {
1195   UpdateSaveAsState();
1196   UpdateOpenFileState(&command_updater_);
1197 }
1198
1199 void BrowserCommandController::UpdateCommandsForFullscreenMode() {
1200   WindowState window_state = WINDOW_STATE_NOT_FULLSCREEN;
1201   if (window() && window()->IsFullscreen()) {
1202     window_state = WINDOW_STATE_FULLSCREEN;
1203 #if defined(OS_WIN)
1204     if (window()->IsInMetroSnapMode())
1205       window_state = WINDOW_STATE_METRO_SNAP;
1206 #endif
1207   }
1208   bool show_main_ui = IsShowingMainUI();
1209   bool main_not_fullscreen =
1210       show_main_ui && window_state == WINDOW_STATE_NOT_FULLSCREEN;
1211
1212   // Navigation commands
1213   command_updater_.UpdateCommandEnabled(IDC_OPEN_CURRENT_URL, show_main_ui);
1214
1215   // Window management commands
1216   command_updater_.UpdateCommandEnabled(
1217       IDC_SHOW_AS_TAB,
1218       !browser_->is_type_tabbed() &&
1219           window_state == WINDOW_STATE_NOT_FULLSCREEN);
1220
1221   // Focus various bits of UI
1222   command_updater_.UpdateCommandEnabled(IDC_FOCUS_TOOLBAR, show_main_ui);
1223   command_updater_.UpdateCommandEnabled(IDC_FOCUS_LOCATION, show_main_ui);
1224   command_updater_.UpdateCommandEnabled(IDC_FOCUS_SEARCH, show_main_ui);
1225   command_updater_.UpdateCommandEnabled(
1226       IDC_FOCUS_MENU_BAR, main_not_fullscreen);
1227   command_updater_.UpdateCommandEnabled(
1228       IDC_FOCUS_NEXT_PANE, main_not_fullscreen);
1229   command_updater_.UpdateCommandEnabled(
1230       IDC_FOCUS_PREVIOUS_PANE, main_not_fullscreen);
1231   command_updater_.UpdateCommandEnabled(
1232       IDC_FOCUS_BOOKMARKS, main_not_fullscreen);
1233   command_updater_.UpdateCommandEnabled(
1234       IDC_FOCUS_INFOBARS, main_not_fullscreen);
1235
1236   // Show various bits of UI
1237   command_updater_.UpdateCommandEnabled(IDC_DEVELOPER_MENU, show_main_ui);
1238 #if defined(GOOGLE_CHROME_BUILD)
1239   command_updater_.UpdateCommandEnabled(IDC_FEEDBACK, show_main_ui);
1240 #endif
1241   UpdateShowSyncState(show_main_ui);
1242
1243   // Settings page/subpages are forced to open in normal mode. We disable these
1244   // commands for guest sessions and when incognito is forced.
1245   const bool options_enabled = show_main_ui &&
1246       IncognitoModePrefs::GetAvailability(
1247           profile()->GetPrefs()) != IncognitoModePrefs::FORCED;
1248   const bool guest_session = profile()->IsGuestSession();
1249   command_updater_.UpdateCommandEnabled(IDC_OPTIONS, options_enabled);
1250   command_updater_.UpdateCommandEnabled(IDC_IMPORT_SETTINGS,
1251                                         options_enabled && !guest_session);
1252
1253   command_updater_.UpdateCommandEnabled(IDC_EDIT_SEARCH_ENGINES, show_main_ui);
1254   command_updater_.UpdateCommandEnabled(IDC_VIEW_PASSWORDS, show_main_ui);
1255   command_updater_.UpdateCommandEnabled(IDC_ABOUT, show_main_ui);
1256   command_updater_.UpdateCommandEnabled(IDC_SHOW_APP_MENU, show_main_ui);
1257 #if defined (ENABLE_PROFILING) && !defined(NO_TCMALLOC)
1258   command_updater_.UpdateCommandEnabled(IDC_PROFILING_ENABLED, show_main_ui);
1259 #endif
1260
1261   // Disable explicit fullscreen toggling when in metro snap mode.
1262   bool fullscreen_enabled = window_state != WINDOW_STATE_METRO_SNAP;
1263 #if !defined(OS_MACOSX)
1264   if (window_state == WINDOW_STATE_NOT_FULLSCREEN &&
1265       !profile()->GetPrefs()->GetBoolean(prefs::kFullscreenAllowed)) {
1266     // Disable toggling into fullscreen mode if disallowed by pref.
1267     fullscreen_enabled = false;
1268   }
1269 #endif
1270
1271   command_updater_.UpdateCommandEnabled(IDC_FULLSCREEN, fullscreen_enabled);
1272   command_updater_.UpdateCommandEnabled(IDC_PRESENTATION_MODE,
1273                                         fullscreen_enabled);
1274
1275   UpdateCommandsForBookmarkBar();
1276 }
1277
1278 void BrowserCommandController::UpdatePrintingState() {
1279   bool print_enabled = CanPrint(browser_);
1280   command_updater_.UpdateCommandEnabled(IDC_PRINT, print_enabled);
1281 #if !defined(DISABLE_BASIC_PRINTING)
1282   command_updater_.UpdateCommandEnabled(IDC_BASIC_PRINT,
1283                                         CanBasicPrint(browser_));
1284 #endif  // !DISABLE_BASIC_PRINTING
1285 }
1286
1287 void BrowserCommandController::UpdateSaveAsState() {
1288   command_updater_.UpdateCommandEnabled(IDC_SAVE_PAGE, CanSavePage(browser_));
1289 }
1290
1291 void BrowserCommandController::UpdateShowSyncState(bool show_main_ui) {
1292   command_updater_.UpdateCommandEnabled(
1293       IDC_SHOW_SYNC_SETUP, show_main_ui && pref_signin_allowed_.GetValue());
1294 }
1295
1296 // static
1297 void BrowserCommandController::UpdateOpenFileState(
1298     CommandUpdater* command_updater) {
1299   bool enabled = true;
1300   PrefService* local_state = g_browser_process->local_state();
1301   if (local_state)
1302     enabled = local_state->GetBoolean(prefs::kAllowFileSelectionDialogs);
1303
1304   command_updater->UpdateCommandEnabled(IDC_OPEN_FILE, enabled);
1305 }
1306
1307 void BrowserCommandController::UpdateReloadStopState(bool is_loading,
1308                                                      bool force) {
1309   window()->UpdateReloadStopState(is_loading, force);
1310   command_updater_.UpdateCommandEnabled(IDC_STOP, is_loading);
1311 }
1312
1313 void BrowserCommandController::UpdateTabRestoreCommandState() {
1314   TabRestoreService* tab_restore_service =
1315       TabRestoreServiceFactory::GetForProfile(profile());
1316   // The command is enabled if the service hasn't loaded yet to trigger loading.
1317   // The command is updated once the load completes.
1318   command_updater_.UpdateCommandEnabled(
1319       IDC_RESTORE_TAB,
1320       tab_restore_service &&
1321       (!tab_restore_service->IsLoaded() ||
1322        GetRestoreTabType(browser_) != TabStripModelDelegate::RESTORE_NONE));
1323 }
1324
1325 void BrowserCommandController::UpdateCommandsForFind() {
1326   TabStripModel* model = browser_->tab_strip_model();
1327   bool enabled = !model->IsTabBlocked(model->active_index()) &&
1328                  !browser_->is_devtools();
1329
1330   command_updater_.UpdateCommandEnabled(IDC_FIND, enabled);
1331   command_updater_.UpdateCommandEnabled(IDC_FIND_NEXT, enabled);
1332   command_updater_.UpdateCommandEnabled(IDC_FIND_PREVIOUS, enabled);
1333 }
1334
1335 void BrowserCommandController::AddInterstitialObservers(WebContents* contents) {
1336   interstitial_observers_.push_back(new InterstitialObserver(this, contents));
1337 }
1338
1339 void BrowserCommandController::RemoveInterstitialObservers(
1340     WebContents* contents) {
1341   for (size_t i = 0; i < interstitial_observers_.size(); i++) {
1342     if (interstitial_observers_[i]->web_contents() != contents)
1343       continue;
1344
1345     delete interstitial_observers_[i];
1346     interstitial_observers_.erase(interstitial_observers_.begin() + i);
1347     return;
1348   }
1349 }
1350
1351 BrowserWindow* BrowserCommandController::window() {
1352   return browser_->window();
1353 }
1354
1355 Profile* BrowserCommandController::profile() {
1356   return browser_->profile();
1357 }
1358
1359 }  // namespace chrome