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