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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "ash/system/tray/tray_empty.h"
6 
7 #include "ui/views/layout/box_layout.h"
8 #include "ui/views/background.h"
9 #include "ui/views/border.h"
10 #include "ui/views/view.h"
11 
12 namespace {
13 
14 class EmptyBackground : public views::Background {
15  public:
EmptyBackground()16   EmptyBackground() {}
~EmptyBackground()17   virtual ~EmptyBackground() {}
18 
19  private:
Paint(gfx::Canvas * canvas,views::View * view) const20   virtual void Paint(gfx::Canvas* canvas, views::View* view) const OVERRIDE {
21   }
22 
23   DISALLOW_COPY_AND_ASSIGN(EmptyBackground);
24 };
25 
26 }
27 
28 namespace ash {
29 
TrayEmpty(SystemTray * system_tray)30 TrayEmpty::TrayEmpty(SystemTray* system_tray)
31     : SystemTrayItem(system_tray) {
32 }
33 
~TrayEmpty()34 TrayEmpty::~TrayEmpty() {}
35 
CreateTrayView(user::LoginStatus status)36 views::View* TrayEmpty::CreateTrayView(user::LoginStatus status) {
37   return NULL;
38 }
39 
CreateDefaultView(user::LoginStatus status)40 views::View* TrayEmpty::CreateDefaultView(user::LoginStatus status) {
41   if (status == user::LOGGED_IN_NONE)
42     return NULL;
43 
44   views::View* view = new views::View;
45   view->set_background(new EmptyBackground());
46   view->SetBorder(views::Border::CreateEmptyBorder(10, 0, 0, 0));
47   view->SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical,
48         0, 0, 0));
49   view->SetPaintToLayer(true);
50   view->SetFillsBoundsOpaquely(false);
51   return view;
52 }
53 
CreateDetailedView(user::LoginStatus status)54 views::View* TrayEmpty::CreateDetailedView(user::LoginStatus status) {
55   return NULL;
56 }
57 
DestroyTrayView()58 void TrayEmpty::DestroyTrayView() {}
59 
DestroyDefaultView()60 void TrayEmpty::DestroyDefaultView() {}
61 
DestroyDetailedView()62 void TrayEmpty::DestroyDetailedView() {}
63 
UpdateAfterLoginStatusChange(user::LoginStatus status)64 void TrayEmpty::UpdateAfterLoginStatusChange(user::LoginStatus status) {}
65 
66 }  // namespace ash
67