Scrolling Tabs

chrome/browser/ui/views/tabs/base_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/base_tab_strip.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ui/title_prefix_matcher.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/dragged_tab_controller.h"
@@ skipping 360 matching lines @@
     return false;
   bool started_drag = drag_controller_->started_drag();
   drag_controller_->EndDrag(canceled);
   return started_drag;
 }
 
 BaseTab* BaseTabStrip::GetTabAt(BaseTab* tab,
                                 const gfx::Point& tab_in_tab_coordinates) {
   gfx::Point local_point = tab_in_tab_coordinates;
   ConvertPointToView(tab, this, &local_point);
-  views::View* view = GetEventHandlerForPoint(local_point);
-  if (!view)
-    return NULL;  // No tab contains the point.
-
-  // Walk up the view hierarchy until we find a tab, or the TabStrip.
-  while (view && view != this && view->GetID() != VIEW_ID_TAB)
-    view = view->parent();
-
-  return view && view->GetID() == VIEW_ID_TAB ?
-      static_cast<BaseTab*>(view) : NULL;
+  return GetTabAtLocal(local_point);
 }
 
 void BaseTabStrip::Layout() {
   // Only do a layout if our size changed.
   if (last_layout_size_ == size())
     return;
   DoLayout();
 }
 
 bool BaseTabStrip::OnMouseDragged(const views::MouseEvent&  event) {
@@ skipping 163 matching lines @@
   StopAnimating(false);
 
   GenerateIdealBounds();
 
   for (int i = 0; i < tab_count(); ++i)
     tab_data_[i].tab->SetBoundsRect(tab_data_[i].ideal_bounds);
 
   SchedulePaint();
 }
 
+BaseTab* BaseTabStrip::GetTabAtLocal(
+    const gfx::Point& local_point) {
+  views::View* view = GetEventHandlerForPoint(local_point);
+  if (!view)
+    return NULL;  // No tab contains the point.
+
+  // Walk up the view hierarchy until we find a tab, or the TabStrip.
+  while (view && view != this && view->GetID() != VIEW_ID_TAB)
+    view = view->parent();
+
+  return view && view->GetID() == VIEW_ID_TAB ?
+      static_cast<BaseTab*>(view) : NULL;
+}
+
 void BaseTabStrip::StoppedDraggingTab(BaseTab* tab, bool* is_first_tab) {
   int tab_data_index = TabIndexOfTab(tab);
   if (tab_data_index == -1) {
     // The tab was removed before the drag completed. Don't do anything.
     return;
   }
 
   if (*is_first_tab) {
     *is_first_tab = false;
     PrepareForAnimation();
 
     // Animate the view back to its correct position.
     GenerateIdealBounds();
     AnimateToIdealBounds();
   }
   bounds_animator_.AnimateViewTo(tab, ideal_bounds(TabIndexOfTab(tab)));
   // Install a delegate to reset the dragging state when done. We have to leave
   // dragging true for the tab otherwise it'll draw beneath the new tab button.
   bounds_animator_.SetAnimationDelegate(
       tab, new ResetDraggingStateDelegate(tab), true);
 }