Multi-tab: Adding new Notification when tab selection changes (again).

chrome/browser/ui/views/tabs/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/tab_strip.h"
 
 #include <algorithm>
+#include <iterator>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/stl_util-inl.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/defaults.h"
+#include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/animation/animation_container.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
@@ skipping 205 matching lines @@
   AddMessageLoopObserver();
 }
 
 void TabStrip::RemoveTabAt(int model_index) {
   if (in_tab_close_ && model_index != GetModelCount())
     StartMouseInitiatedRemoveTabAnimation(model_index);
   else
     StartRemoveTabAnimation(model_index);
 }
 
-void TabStrip::SelectTabAt(int old_model_index, int new_model_index) {
+void TabStrip::SetSelection(const TabStripSelectionModel& old_selection,
+                            const TabStripSelectionModel& new_selection) {
   // We have "tiny tabs" if the tabs are so tiny that the unselected ones are
   // a different size to the selected ones.
   bool tiny_tabs = current_unselected_width_ != current_selected_width_;
   if (!IsAnimating() && (!in_tab_close_ || tiny_tabs)) {
     DoLayout();
   } else {
     SchedulePaint();
   }
 
-  if (old_model_index >= 0) {
-    GetTabAtTabDataIndex(ModelIndexToTabIndex(old_model_index))->
+  TabStripSelectionModel::SelectedIndices no_longer_selected;
+  std::insert_iterator<TabStripSelectionModel::SelectedIndices>
+      it(no_longer_selected, no_longer_selected.begin());
+  std::set_difference(old_selection.selected_indices().begin(),
+                      old_selection.selected_indices().end(),
+                      new_selection.selected_indices().begin(),
+                      new_selection.selected_indices().end(),
+                      it);
+  for (size_t i = 0; i < no_longer_selected.size(); ++i) {
+    GetTabAtTabDataIndex(ModelIndexToTabIndex(no_longer_selected[i]))->
         StopMiniTabTitleAnimation();
   }
 }
 
 void TabStrip::TabTitleChangedNotLoading(int model_index) {
   Tab* tab = GetTabAtModelIndex(model_index);
   if (tab->data().mini && !tab->IsActive())
     tab->StartMiniTabTitleAnimation();
 }
 
@@ skipping 743 matching lines @@
   }
   return mini_count;
 }
 
 bool TabStrip::IsPointInTab(Tab* tab,
                             const gfx::Point& point_in_tabstrip_coords) {
   gfx::Point point_in_tab_coords(point_in_tabstrip_coords);
   View::ConvertPointToView(this, tab, &point_in_tab_coords);
   return tab->HitTest(point_in_tab_coords);
 }