ash/system/chromeos/screen_security/screen_tray_item.h

   1 // Copyright 2013 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 #ifndef ASH_SYSTEM_CHROMEOS_SCREEN_TRAY_ITEM_H_
   6 #define ASH_SYSTEM_CHROMEOS_SCREEN_TRAY_ITEM_H_
   7
   8 #include "ash/system/tray/system_tray.h"
   9 #include "ash/system/tray/system_tray_item.h"
  10 #include "ash/system/tray/system_tray_notifier.h"
  11 #include "ash/system/tray/tray_item_view.h"
  12 #include "ash/system/tray/tray_notification_view.h"
  13 #include "ash/system/tray/tray_popup_label_button.h"
  14 #include "ui/message_center/notification_delegate.h"
  15 #include "ui/views/controls/button/button.h"
  16 #include "ui/views/controls/image_view.h"
  17
  18 namespace views {
  19 class View;
  20 }
  21
  22 namespace ash {
  23 class ScreenTrayItem;
  24
  25 namespace tray {
  26
  27 class ScreenTrayView : public TrayItemView {
  28  public:
  29   ScreenTrayView(ScreenTrayItem* screen_tray_item, int icon_id);
  30   virtual ~ScreenTrayView();
  31
  32   void Update();
  33
  34  private:
  35   ScreenTrayItem* screen_tray_item_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(ScreenTrayView);
  38 };
  39
  40 class ScreenStatusView : public views::View,
  41                          public views::ButtonListener {
  42  public:
  43   ScreenStatusView(ScreenTrayItem* screen_tray_item,
  44                    int icon_id,
  45                    const base::string16& label_text,
  46                    const base::string16& stop_button_text);
  47   virtual ~ScreenStatusView();
  48
  49   // Overridden from views::View.
  50   virtual void Layout() OVERRIDE;
  51
  52   // Overridden from views::ButtonListener.
  53   virtual void ButtonPressed(views::Button* sender,
  54                              const ui::Event& event) OVERRIDE;
  55
  56   void CreateItems();
  57   void Update();
  58
  59  private:
  60   ScreenTrayItem* screen_tray_item_;
  61   views::ImageView* icon_;
  62   views::Label* label_;
  63   TrayPopupLabelButton* stop_button_;
  64   int icon_id_;
  65   base::string16 label_text_;
  66   base::string16 stop_button_text_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(ScreenStatusView);
  69 };
  70
  71 class ScreenNotificationDelegate : public message_center::NotificationDelegate {
  72  public:
  73   explicit ScreenNotificationDelegate(ScreenTrayItem* screen_tray);
  74
  75   // message_center::NotificationDelegate overrides:
  76   virtual void Display() OVERRIDE;
  77   virtual void Error() OVERRIDE;
  78   virtual void Close(bool by_user) OVERRIDE;
  79   virtual void Click() OVERRIDE;
  80   virtual void ButtonClick(int button_index) OVERRIDE;
  81
  82  protected:
  83   virtual ~ScreenNotificationDelegate();
  84
  85  private:
  86   ScreenTrayItem* screen_tray_;
  87
  88   DISALLOW_COPY_AND_ASSIGN(ScreenNotificationDelegate);
  89 };
  90
  91 }  // namespace tray
  92
  93
  94 // The base tray item for screen capture and screen sharing. The
  95 // Start method brings up a notification and a tray item, and the user
  96 // can stop the screen capture/sharing by pressing the stop button.
  97 class ASH_EXPORT ScreenTrayItem : public SystemTrayItem {
  98  public:
  99   explicit ScreenTrayItem(SystemTray* system_tray);
 100   virtual ~ScreenTrayItem();
 101
 102   tray::ScreenTrayView* tray_view() { return tray_view_; }
 103   void set_tray_view(tray::ScreenTrayView* tray_view) {
 104     tray_view_ = tray_view;
 105   }
 106
 107   tray::ScreenStatusView* default_view() { return default_view_; }
 108   void set_default_view(tray::ScreenStatusView* default_view) {
 109     default_view_ = default_view;
 110   }
 111
 112   bool is_started() const { return is_started_; }
 113   void set_is_started(bool is_started) { is_started_ = is_started; }
 114
 115   void Update();
 116   void Start(const base::Closure& stop_callback);
 117   void Stop();
 118
 119   // Creates or updates the notification for the tray item.
 120   virtual void CreateOrUpdateNotification() = 0;
 121
 122   // Returns the id of the notification for the tray item.
 123   virtual std::string GetNotificationId() = 0;
 124
 125   // Overridden from SystemTrayItem.
 126   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE = 0;
 127   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE = 0;
 128   virtual void DestroyTrayView() OVERRIDE;
 129   virtual void DestroyDefaultView() OVERRIDE;
 130   virtual void UpdateAfterShelfAlignmentChange(
 131       ShelfAlignment alignment) OVERRIDE;
 132
 133  private:
 134   tray::ScreenTrayView* tray_view_;
 135   tray::ScreenStatusView* default_view_;
 136   bool is_started_;
 137   base::Closure stop_callback_;
 138
 139   DISALLOW_COPY_AND_ASSIGN(ScreenTrayItem);
 140 };
 141
 142 }  // namespace ash
 143
 144 #endif  // ASH_SYSTEM_CHROMEOS_SCREEN_TRAY_ITEM_H_