Compact Navigation prototype

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 245 matching lines @@
   profile_pref_registrar_.Add(prefs::kInstantEnabled, this);
 
   InitCommandState();
   BrowserList::AddBrowser(this);
 
   // NOTE: These prefs all need to be explicitly destroyed in the destructor
   // or you'll get a nasty surprise when you run the incognito tests.
   encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector,
                              profile_->GetPrefs(), NULL);
   use_vertical_tabs_.Init(prefs::kUseVerticalTabs, profile_->GetPrefs(), this);
+  use_compact_navigation_bar_.Init(prefs::kUseCompactNavigationBar,
+                                   profile_->GetPrefs(),
+                                   this);
 
   if (!TabMenuModel::AreVerticalTabsEnabled()) {
     // If vertical tabs aren't enabled, explicitly turn them off. Otherwise we
     // might show vertical tabs but not show an option to turn them off.
     use_vertical_tabs_.SetValue(false);
   }
+  if (!TabMenuModel::IsCompactNavigationModeEnabled()) {
+    // If the compact navigation bar isn't enabled, explicitly turn it off.
+    // Otherwise we might show the compact navigation bar but not show an option
+    // to turn it off.
+    use_compact_navigation_bar_.SetValue(false);
+  }
+
   UpdateTabStripModelInsertionPolicy();
 
   tab_restore_service_ = TabRestoreServiceFactory::GetForProfile(profile);
   if (tab_restore_service_) {
     tab_restore_service_->AddObserver(this);
     TabRestoreServiceChanged(tab_restore_service_);
   }
 
   if (profile_->GetProfileSyncService())
     profile_->GetProfileSyncService()->AddObserver(this);
@@ skipping 38 matching lines @@
   TabRestoreService* tab_restore_service =
       TabRestoreServiceFactory::GetForProfile(profile());
   if (tab_restore_service)
     tab_restore_service->BrowserClosed(tab_restore_service_delegate());
 
   profile_pref_registrar_.RemoveAll();
   local_pref_registrar_.RemoveAll();
 
   encoding_auto_detect_.Destroy();
   use_vertical_tabs_.Destroy();
+  use_compact_navigation_bar_.Destroy();
 
   if (profile_->IsOffTheRecord() &&
       !BrowserList::IsOffTheRecordSessionActive()) {
     // An incognito profile is no longer needed, this indirectly
     // frees its cache and cookies.
     profile_->GetOriginalProfile()->DestroyOffTheRecordProfile();
   }
 
   // There may be pending file dialogs, we need to tell them that we've gone
   // away so they don't try and call back to us.
@@ skipping 79 matching lines @@
         ShellIntegration::GetChromiumAppId(profile_->GetPath()),
         window()->GetNativeHandle());
   }
 #endif
 
   NotificationService::current()->Notify(
       NotificationType::BROWSER_WINDOW_READY,
       Source<Browser>(this),
       NotificationService::NoDetails());
 
+  if (use_compact_navigation_bar_.GetValue()) {
+    // This enables the compact navigation bar host.
+    UseCompactNavigationBarChanged();
+  }
+
   // Show the First Run information bubble if we've been told to.
   PrefService* local_state = g_browser_process->local_state();
   if (!local_state)
     return;
   if (local_state->FindPreference(prefs::kShouldShowFirstRunBubble) &&
       local_state->GetBoolean(prefs::kShouldShowFirstRunBubble)) {
     FirstRun::BubbleType bubble_type = FirstRun::LARGE_BUBBLE;
     if (local_state->
         FindPreference(prefs::kShouldUseOEMFirstRunBubble) &&
         local_state->GetBoolean(prefs::kShouldUseOEMFirstRunBubble)) {
@@ skipping 769 matching lines @@
   command_updater_.UpdateCommandEnabled(IDC_IMPORT_SETTINGS, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_SYNC_BOOKMARKS,
       show_main_ui && profile_->IsSyncAccessible());
 
   command_updater_.UpdateCommandEnabled(IDC_OPTIONS, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_EDIT_SEARCH_ENGINES, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_VIEW_PASSWORDS, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_ABOUT, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_APP_MENU, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_TOGGLE_VERTICAL_TABS, show_main_ui);
+  command_updater_.UpdateCommandEnabled(IDC_COMPACT_NAVBAR, show_main_ui);
 #if defined (ENABLE_PROFILING) && !defined(NO_TCMALLOC)
   command_updater_.UpdateCommandEnabled(IDC_PROFILING_ENABLED, show_main_ui);
 #endif
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Assorted browser commands:
 
 bool Browser::ShouldOpenNewTabForWindowDisposition(
     WindowOpenDisposition disposition) {
@@ skipping 17 matching lines @@
 void Browser::UpdateTabStripModelInsertionPolicy() {
   tab_handler_->GetTabStripModel()->SetInsertionPolicy(UseVerticalTabs() ?
       TabStripModel::INSERT_BEFORE : TabStripModel::INSERT_AFTER);
 }
 
 void Browser::UseVerticalTabsChanged() {
   UpdateTabStripModelInsertionPolicy();
   window()->ToggleTabStripMode();
 }
 
+void Browser::UseCompactNavigationBarChanged() {
+  window_->ToggleUseCompactNavigationBar();
+}
+
 bool Browser::SupportsWindowFeatureImpl(WindowFeature feature,
                                         bool check_fullscreen) const {
   // On Mac, fullscreen mode has most normal things (in a slide-down panel). On
   // other platforms, we hide some controls when in fullscreen mode.
   bool hide_ui_for_fullscreen = false;
 #if !defined(OS_MACOSX)
   hide_ui_for_fullscreen = check_fullscreen && window_ &&
       window_->IsFullscreen();
 #endif
 
@@ skipping 844 matching lines @@
   prefs->RegisterBooleanPref(prefs::kDeleteCookies, true);
   prefs->RegisterBooleanPref(prefs::kDeletePasswords, false);
   prefs->RegisterBooleanPref(prefs::kDeleteFormData, false);
   prefs->RegisterIntegerPref(prefs::kDeleteTimePeriod, 0);
   prefs->RegisterBooleanPref(prefs::kCheckDefaultBrowser, true);
   prefs->RegisterBooleanPref(prefs::kShowOmniboxSearchHint, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateOnDesktop, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateInAppsMenu, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateInQuickLaunchBar, true);
   prefs->RegisterBooleanPref(prefs::kUseVerticalTabs, false);
+  prefs->RegisterBooleanPref(prefs::kUseCompactNavigationBar, false);
   prefs->RegisterBooleanPref(prefs::kEnableTranslate, true);
   prefs->RegisterBooleanPref(prefs::kEnableBookmarkBar, true);
   prefs->RegisterBooleanPref(prefs::kRemotingHasSetupCompleted, false);
   prefs->RegisterBooleanPref(prefs::kChromotingEnabled, false);
   prefs->RegisterBooleanPref(prefs::kChromotingHostEnabled, false);
   prefs->RegisterBooleanPref(prefs::kChromotingHostFirewallTraversal, false);
   prefs->RegisterStringPref(prefs::kCloudPrintEmail, std::string());
   prefs->RegisterBooleanPref(prefs::kCloudPrintProxyEnabled, true);
   prefs->RegisterBooleanPref(prefs::kDevToolsDisabled, false);
   prefs->RegisterBooleanPref(prefs::kIncognitoEnabled, true);
@@ skipping 105 matching lines @@
     case IDC_SELECT_TAB_7:          SelectNumberedTab(id - IDC_SELECT_TAB_0);
                                                                       break;
     case IDC_SELECT_LAST_TAB:       SelectLastTab();                  break;
     case IDC_DUPLICATE_TAB:         DuplicateTab();                   break;
     case IDC_RESTORE_TAB:           RestoreTab();                     break;
     case IDC_COPY_URL:              WriteCurrentURLToClipboard();     break;
     case IDC_SHOW_AS_TAB:           ConvertPopupToTabbedBrowser();    break;
     case IDC_FULLSCREEN:            ToggleFullscreenMode();           break;
     case IDC_EXIT:                  Exit();                           break;
     case IDC_TOGGLE_VERTICAL_TABS:  ToggleUseVerticalTabs();          break;
+    case IDC_COMPACT_NAVBAR:        ToggleUseCompactNavigationBar();  break;
 #if defined(OS_CHROMEOS)
     case IDC_SEARCH:                Search();                         break;
     case IDC_SHOW_KEYBOARD_OVERLAY: ShowKeyboardOverlay();            break;
 #endif
 
     // Page-related commands
     case IDC_SAVE_PAGE:             SavePage();                       break;
     case IDC_BOOKMARK_PAGE:         BookmarkCurrentPage();            break;
     case IDC_BOOKMARK_ALL_TABS:     BookmarkAllTabs();                break;
     case IDC_VIEW_SOURCE:           ViewSelectedSource();             break;
@@ skipping 455 matching lines @@
   TabCloseableStateWatcher* watcher =
       g_browser_process->tab_closeable_state_watcher();
   return !watcher || watcher->CanCloseTab(this);
 }
 
 void Browser::ToggleUseVerticalTabs() {
   use_vertical_tabs_.SetValue(!UseVerticalTabs());
   UseVerticalTabsChanged();
 }
 
+void Browser::ToggleUseCompactNavigationBar() {
+  use_compact_navigation_bar_.SetValue(!UseCompactNavigationBar());
+  UseCompactNavigationBarChanged();
+}
+
 bool Browser::LargeIconsPermitted() const {
   // We don't show the big icons in tabs for TYPE_EXTENSION_APP windows because
   // for those windows, we already have a big icon in the top-left outside any
   // tab. Having big tab icons too looks kinda redonk.
   return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, TabStripModelObserver implementation:
 
@@ skipping 364 matching lines @@
 
 void Browser::UpdateDownloadShelfVisibility(bool visible) {
   if (GetStatusBubble())
     GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
 }
 
 bool Browser::UseVerticalTabs() const {
   return use_vertical_tabs_.GetValue();
 }
 
+bool Browser::UseCompactNavigationBar() const {
+  return use_compact_navigation_bar_.GetValue();
+}
+
 void Browser::ContentsZoomChange(bool zoom_in) {
   ExecuteCommand(zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS);
 }
 
 void Browser::OnContentSettingsChange(TabContents* source) {
   if (source == GetSelectedTabContents()) {
     LocationBar* location_bar = window()->GetLocationBar();
     if (location_bar)
       location_bar->UpdateContentSettingsIcons();
   }
@@ skipping 379 matching lines @@
       GURL download_url = *(Details<GURL>(details).ptr());
       if (ExtensionService::IsDownloadFromMiniGallery(download_url))
         window()->ShowThemeInstallBubble();
       break;
     }
 
     case NotificationType::PREF_CHANGED: {
       const std::string& pref_name = *Details<std::string>(details).ptr();
       if (pref_name == prefs::kUseVerticalTabs) {
         UseVerticalTabsChanged();
+      } else if (pref_name == prefs::kUseCompactNavigationBar) {
+        UseCompactNavigationBarChanged();
       } else if (pref_name == prefs::kPrintingEnabled) {
         UpdatePrintingState(GetContentRestrictionsForSelectedTab());
       } else if (pref_name == prefs::kInstantEnabled) {
         if (!InstantController::IsEnabled(profile())) {
           if (instant()) {
             instant()->DestroyPreviewContents();
             instant_.reset();
             instant_unload_handler_.reset();
           }
         } else {
@@ skipping 993 matching lines @@
   TabContents* current_tab = GetSelectedTabContents();
   if (current_tab) {
     content_restrictions = current_tab->content_restrictions();
     NavigationEntry* active_entry = current_tab->controller().GetActiveEntry();
     // See comment in UpdateCommandsForTabState about why we call url().
     if (!SavePackage::IsSavableURL(active_entry ? active_entry->url() : GURL()))
       content_restrictions |= CONTENT_RESTRICTION_SAVE;
   }
   return content_restrictions;
 }