Alternate NTP: Don't hide bookmark bar on instant

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2012 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/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 24 matching lines @@
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #import "chrome/browser/ui/cocoa/nsmenuitem_additions.h"
 #include "chrome/browser/ui/cocoa/restart_browser.h"
 #include "chrome/browser/ui/cocoa/status_bubble_mac.h"
 #include "chrome/browser/ui/cocoa/task_manager_mac.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 #import "chrome/browser/ui/cocoa/web_dialog_window_controller.h"
 #import "chrome/browser/ui/cocoa/website_settings_bubble_controller.h"
 #include "chrome/browser/ui/page_info_bubble.h"
+#include "chrome/browser/ui/search/search_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/password_form.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util_mac.h"
@@ skipping 50 matching lines @@
   : browser_(browser),
     controller_(controller),
     confirm_close_factory_(browser),
     initial_show_state_(ui::SHOW_STATE_DEFAULT),
     attention_request_id_(0) {
 
   gfx::Rect bounds;
   chrome::GetSavedWindowBoundsAndShowState(browser_,
                                            &bounds,
                                            &initial_show_state_);
+
+  browser_->search_model()->AddObserver(this);
 }
 
 BrowserWindowCocoa::~BrowserWindowCocoa() {
+  browser_->search_model()->RemoveObserver(this);
 }
 
 void BrowserWindowCocoa::Show() {
   // The Browser associated with this browser window must become the active
   // browser at the time |Show()| is called. This is the natural behaviour under
   // Windows, but |-makeKeyAndOrderFront:| won't send |-windowDidBecomeMain:|
   // until we return to the runloop. Therefore any calls to
   // |chrome::FindLastActiveWithHostDesktopType| will return the previous
   // browser instead if we don't explicitly set it here.
   BrowserList::SetLastActive(browser_);
@@ skipping 511 matching lines @@
     BrowserWindowCocoa::GetActiveTabPermissionGranter() {
   WebContents* web_contents =
       browser_->tab_strip_model()->GetActiveWebContents();
   if (!web_contents)
     return NULL;
   extensions::TabHelper* tab_helper =
       extensions::TabHelper::FromWebContents(web_contents);
   return tab_helper ? tab_helper->active_tab_permission_granter() : NULL;
 }
 
+void BrowserWindowCocoa::ModeChanged(
+    const chrome::search::Mode& old_mode,
+    const chrome::search::Mode& new_mode) {
+  [controller_ updateBookmarkBarStateForInstantPreview];
+}
+
 void BrowserWindowCocoa::DestroyBrowser() {
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }
 
 NSWindow* BrowserWindowCocoa::window() const {
   return [controller_ window];
 }
@@ skipping 27 matching lines @@
   PasswordGenerationBubbleController* controller =
       [[PasswordGenerationBubbleController alloc]
         initWithWindow:browser_->window()->GetNativeWindow()
             anchoredAt:point
         renderViewHost:web_contents->GetRenderViewHost()
         passwordManager:PasswordManager::FromWebContents(web_contents)
         usingGenerator:password_generator
                forForm:form];
   [controller showWindow:nil];
 }