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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_DELEGATE_H_ | |
6 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_DELEGATE_H_ | |
7 | |
8 namespace message_center { | |
9 | |
10 // A MessageCenterTrayDelegate class is responsible for managing the various UI | |
11 // surfaces that should be displayed when the MessageCenter is changed. | |
12 class MESSAGE_CENTER_EXPORT MessageCenterTrayDelegate { | |
13 public: | |
14 virtual ~MessageCenterTrayDelegate() {}; | |
miket_OOO
2013/01/25 17:14:48
Good! http://dev.chromium.org/developers/coding-st
dewittj
2013/01/25 19:38:46
Thanks.
| |
15 | |
16 // Called whenever a change to the visible UI has occurred. | |
17 virtual void OnMessageCenterTrayChanged() = 0; | |
18 | |
19 // Display the popup bubbles for new notifications to the user. Returns true | |
20 // if popups were actually displayed to the user. | |
21 virtual bool ShowPopups() = 0; | |
22 | |
23 // Remove the popup bubbles from the UI. | |
24 virtual void HidePopups() = 0; | |
25 | |
26 // Called when a change to the message center could cause a change to popups | |
27 // that are currently being displayed. | |
28 virtual void UpdatePopups() = 0; | |
29 | |
30 // Display the message center containing all undismissed notifications to the | |
31 // user. Returns true if the center was actually displayed to the user. | |
32 virtual bool ShowMessageCenter() = 0; | |
33 | |
34 // Remove the message center from the UI. | |
35 virtual void HideMessageCenter() = 0; | |
36 | |
37 // Called when a change to the message center could cause a change to the | |
38 // message center widget that is currently being displayed. | |
39 virtual void UpdateMessageCenter() = 0; | |
40 }; | |
41 | |
42 } // namespace message_center | |
43 | |
44 #endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_DELEGATE_H_ | |
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