Multi-tab: Adding new Notification when tab selection changes.

chrome/browser/ui/views/tabs/side_tab_strip.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/views/tabs/side_tab_strip.h"
 
+#include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/side_tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "views/background.h"
 #include "views/controls/button/image_button.h"
@@ skipping 151 matching lines @@
   // Make sure the dragged tab shares our theme provider. We need to explicitly
   // do this as during dragging there isn't a theme provider.
   tab->set_theme_provider(GetThemeProvider());
   return tab;
 }
 
 void SideTabStrip::RemoveTabAt(int model_index) {
   StartRemoveTabAnimation(model_index);
 }
 
-void SideTabStrip::SelectTabAt(int old_model_index, int new_model_index) {
-  GetBaseTabAtModelIndex(new_model_index)->SchedulePaint();
-
-  if (controller()->IsActiveTab(new_model_index))
-    MakeTabVisible(ModelIndexToTabIndex(new_model_index));
+void SideTabStrip::SetSelection(const TabStripSelectionModel& old_selection,
+                                const TabStripSelectionModel& new_selection) {
+  GetBaseTabAtModelIndex(new_selection.active())->SchedulePaint();
+  if (old_selection.active() != new_selection.active())
+    MakeTabVisible(ModelIndexToTabIndex(new_selection.active()));
 }
 
 void SideTabStrip::TabTitleChangedNotLoading(int model_index) {
 }
 
 gfx::Size SideTabStrip::GetPreferredSize() {
   return gfx::Size(kTabStripWidth, 0);
 }
 
 void SideTabStrip::PaintChildren(gfx::Canvas* canvas) {
@@ skipping 265 matching lines @@
     return;
 
   if (ideal_bounds(tab_index).y() < kTabStripInset) {
     SetFirstTabYOffset(first_tab_y_offset_ - ideal_bounds(tab_index).y() +
                        kTabStripInset);
   } else if (ideal_bounds(tab_index).bottom() > GetMaxTabY()) {
     SetFirstTabYOffset(GetMaxTabY() - (ideal_bounds(tab_index).bottom() -
                                        first_tab_y_offset_));
   }
 }