Make activities have a thick border when in overview mode part 1

athena/activity/activity_frame_view.h

 // 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.
 
 #ifndef ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_
 #define ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_
 
+#include "athena/wm/public/window_manager_observer.h"
 #include "base/memory/scoped_ptr.h"
+#include "ui/gfx/insets.h"
 #include "ui/views/window/non_client_view.h"
 
 namespace views {
+class ImageView;
 class Label;
 class Widget;
 }
 
 namespace athena {
 
 class ActivityViewModel;
 
 // A NonClientFrameView used for activity.
-class ActivityFrameView : public views::NonClientFrameView {
+class ActivityFrameView : public views::NonClientFrameView,
+                          public WindowManagerObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   ActivityFrameView(views::Widget* frame, ActivityViewModel* view_model);
   virtual ~ActivityFrameView();
 
-  // views::NonClientFrameView overrides:
+  // views::NonClientFrameView:
   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const OVERRIDE;
   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
   virtual void GetWindowMask(const gfx::Size& size,
                              gfx::Path* window_mask) OVERRIDE;
   virtual void ResetWindowControls() OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
 
-  // views::View overrides:
+  // views::View:
   virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual void Layout() OVERRIDE;
+  virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
 
  private:
+  // WindowManagerObserver:
+  virtual void OnOverviewModeEnter() OVERRIDE;
+  virtual void OnOverviewModeExit() OVERRIDE;
+  virtual void OnActivityOrderHasChanged() OVERRIDE;
+
+  gfx::Insets NonClientBorderInsets() const;
+  int NonClientBorderThickness() const;
   int NonClientTopBorderHeight() const;
 
   // Not owned.
   views::Widget* frame_;
   ActivityViewModel* view_model_;
   views::Label* title_;
+  views::ImageView* icon_;
+
+  // Whether overview mode is active.
+  bool in_overview_;
 
   DISALLOW_COPY_AND_ASSIGN(ActivityFrameView);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_ACTIVITY_ACTIVITY_FRAME_VIEW_H_