Introduces mouse event handler to the minimized home.

athena/home/minimized_home.cc

 // Copyright 2014 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 "athena/home/minimized_home.h"
 
 #include "ui/views/background.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
@@ skipping 21 matching lines @@
     SchedulePaint();
   }
 
   // views::View:
   virtual gfx::Size GetPreferredSize() const OVERRIDE {
     const int kDragHandleWidth = 80;
     const int kDragHandleHeight = 4;
     return gfx::Size(kDragHandleWidth, kDragHandleHeight);
   }
 
+  virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE {
+    if (event.IsLeftMouseButton() && event.GetClickCount() > 1) {
+      delegate_->OnDragUpCompleted();
+      SetColor(kDragHandleColorNormal);
+      return true;
+    }
+    return false;
+  }
+
+  virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE {
+    SetColor(kDragHandleColorHot);
+  }
+
+  virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE {
+    SetColor(kDragHandleColorNormal);
+  }
+
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     SkColor change_color = SK_ColorTRANSPARENT;
     if (event->type() == ui::ET_GESTURE_BEGIN &&
         event->details().touch_points() == 1) {
       change_color = kDragHandleColorHot;
     } else if (event->type() == ui::ET_GESTURE_END &&
                event->details().touch_points() == 1) {
       change_color = kDragHandleColorNormal;
     }
 
@@ skipping 39 matching lines @@
       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 2, 0);
   layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER);
   content_view->SetLayoutManager(layout);
 
   views::View* view = new MinimizedHomeView(delegate);
   content_view->AddChildView(view);
   return widget;
 }
 
 }  // namespace athena