Disambiguate OnMouseCaptureLost from OnMouseReleased, etc.

chrome/browser/ui/views/tabs/base_tab.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.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
@@ skipping 293 matching lines @@
   }
   return true;
 }
 
 bool BaseTab::OnMouseDragged(const views::MouseEvent& event) {
   if (controller())
     controller()->ContinueDrag(event);
   return true;
 }
 
-void BaseTab::OnMouseReleased(const views::MouseEvent& event, bool canceled) {
+void BaseTab::OnMouseReleased(const views::MouseEvent& event) {
   if (!controller())
     return;
 
   // Notify the drag helper that we're done with any potential drag operations.
   // Clean up the drag helper, which is re-created on the next mouse press.
   // In some cases, ending the drag will schedule the tab for destruction; if
   // so, bail immediately, since our members are already dead and we shouldn't
   // do anything else except drop the tab where it is.
-  if (controller()->EndDrag(canceled))
+  if (controller()->EndDrag(false))
     return;
 
   // Close tab on middle click, but only if the button is released over the tab
   // (normal windows behavior is to discard presses of a UI element where the
   // releases happen off the element).
   if (event.IsMiddleMouseButton()) {
     if (HitTest(event.location())) {
       controller()->CloseTab(this);
     } else if (closing_) {
       // We're animating closed and a middle mouse button was pushed on us but
       // we don't contain the mouse anymore. We assume the user is clicking
       // quicker than the animation and we should close the tab that falls under
       // the mouse.
       BaseTab* closest_tab = controller()->GetTabAt(this, event.location());
       if (closest_tab)
         controller()->CloseTab(closest_tab);
     }
   } else if (event.IsOnlyLeftMouseButton() && !event.IsShiftDown() &&
              !event.IsControlDown()) {
     // If the tab was already selected mouse pressed doesn't change the
     // selection. Reset it now to handle the case where multiple tabs were
     // selected.
     controller()->SelectTab(this);
   }
 }
 
+void BaseTab::OnMouseCaptureLost() {
+  if (controller())
+    controller()->EndDrag(true);
+}
+
 void BaseTab::OnMouseEntered(const views::MouseEvent& event) {
   if (!hover_animation_.get()) {
     hover_animation_.reset(new ui::SlideAnimation(this));
     hover_animation_->SetContainer(animation_container_.get());
     hover_animation_->SetSlideDuration(kHoverDurationMs);
   }
   hover_animation_->SetTweenType(ui::Tween::EASE_OUT);
   hover_animation_->Show();
 }
 
@@ skipping 208 matching lines @@
 // static
 void BaseTab::InitResources() {
   static bool initialized = false;
   if (!initialized) {
     initialized = true;
     font_ = new gfx::Font(
         ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont));
     font_height_ = font_->GetHeight();
   }
 }