ui/message_center/message_center_tray.h

   1 // Copyright (c) 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 UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
   6 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
   7
   8 #include "base/observer_list.h"
   9 #include "base/strings/string16.h"
  10 #include "ui/message_center/message_center_export.h"
  11 #include "ui/message_center/message_center_observer.h"
  12 #include "ui/message_center/message_center_tray_delegate.h"
  13 #include "ui/message_center/notifier_settings.h"
  14
  15 namespace ui {
  16 class MenuModel;
  17 }
  18
  19 namespace message_center {
  20
  21 class MessageCenter;
  22 class MessageBubbleBase;
  23 class MessagePopupBubble;
  24 class QuietModeBubble;
  25
  26 // Implementation found with each supported platform's implementation of
  27 // MessageCenterTrayDelegate.
  28 MessageCenterTrayDelegate* CreateMessageCenterTray();
  29
  30 // Class that observes a MessageCenter. Manages the popup and message center
  31 // bubbles. Tells the MessageCenterTrayHost when the tray is changed, as well
  32 // as when bubbles are shown and hidden.
  33 class MESSAGE_CENTER_EXPORT MessageCenterTray : public MessageCenterObserver {
  34  public:
  35   MessageCenterTray(MessageCenterTrayDelegate* delegate,
  36                     message_center::MessageCenter* message_center);
  37   ~MessageCenterTray() override;
  38
  39   // Shows or updates the message center bubble and hides the popup bubble.
  40   // Returns whether the message center is visible after the call, whether or
  41   // not it was visible before.
  42   bool ShowMessageCenterBubble();
  43
  44   // Hides the message center if visible and returns whether the message center
  45   // was visible before.
  46   bool HideMessageCenterBubble();
  47
  48   // Marks the message center as "not visible" (this method will not hide the
  49   // message center).
  50   void MarkMessageCenterHidden();
  51
  52   void ToggleMessageCenterBubble();
  53
  54   // Causes an update if the popup bubble is already shown.
  55   void ShowPopupBubble();
  56
  57   // Returns whether the popup was visible before.
  58   bool HidePopupBubble();
  59
  60   // Toggles the visibility of the settings view in the message center bubble.
  61   void ShowNotifierSettingsBubble();
  62
  63   // Creates a model for the context menu for a notification card.
  64   scoped_ptr<ui::MenuModel> CreateNotificationMenuModel(
  65       const NotifierId& notifier_id,
  66       const base::string16& display_source);
  67
  68   bool message_center_visible() { return message_center_visible_; }
  69   bool popups_visible() { return popups_visible_; }
  70   MessageCenterTrayDelegate* delegate() { return delegate_; }
  71   const message_center::MessageCenter* message_center() const {
  72     return message_center_;
  73   }
  74   message_center::MessageCenter* message_center() { return message_center_; }
  75
  76   // Overridden from MessageCenterObserver:
  77   void OnNotificationAdded(const std::string& notification_id) override;
  78   void OnNotificationRemoved(const std::string& notification_id,
  79                              bool by_user) override;
  80   void OnNotificationUpdated(const std::string& notification_id) override;
  81   void OnNotificationClicked(const std::string& notification_id) override;
  82   void OnNotificationButtonClicked(const std::string& notification_id,
  83                                    int button_index) override;
  84   void OnNotificationDisplayed(const std::string& notification_id,
  85                                const DisplaySource source) override;
  86   void OnQuietModeChanged(bool in_quiet_mode) override;
  87   void OnBlockingStateChanged(NotificationBlocker* blocker) override;
  88
  89  private:
  90   void OnMessageCenterChanged();
  91   void NotifyMessageCenterTrayChanged();
  92   void HidePopupBubbleInternal();
  93
  94   // |message_center_| is a weak pointer that must live longer than
  95   // MessageCenterTray.
  96   message_center::MessageCenter* message_center_;
  97   bool message_center_visible_;
  98   bool popups_visible_;
  99   // |delegate_| is a weak pointer that must live longer than MessageCenterTray.
 100   MessageCenterTrayDelegate* delegate_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(MessageCenterTray);
 103 };
 104
 105 }  // namespace message_center
 106
 107 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_