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 12namespace { 13 14class EmptyBackground : public views::Background { 15 public: 16 EmptyBackground() {} 17 virtual ~EmptyBackground() {} 18 19 private: 20 virtual void Paint(gfx::Canvas* canvas, views::View* view) const OVERRIDE { 21 } 22 23 DISALLOW_COPY_AND_ASSIGN(EmptyBackground); 24}; 25 26} 27 28namespace ash { 29 30TrayEmpty::TrayEmpty(SystemTray* system_tray) 31 : SystemTrayItem(system_tray) { 32} 33 34TrayEmpty::~TrayEmpty() {} 35 36views::View* TrayEmpty::CreateTrayView(user::LoginStatus status) { 37 return NULL; 38} 39 40views::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 54views::View* TrayEmpty::CreateDetailedView(user::LoginStatus status) { 55 return NULL; 56} 57 58void TrayEmpty::DestroyTrayView() {} 59 60void TrayEmpty::DestroyDefaultView() {} 61 62void TrayEmpty::DestroyDetailedView() {} 63 64void TrayEmpty::UpdateAfterLoginStatusChange(user::LoginStatus status) {} 65 66} // namespace ash 67