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1 // Copyright 2016 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_COMMON_SYSTEM_TRAY_TRAY_POPUP_LAYOUT_FACTORY_H_ | |
6 #define ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_LAYOUT_FACTORY_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "ash/common/system/tray/three_view_layout.h" | |
11 #include "base/macros.h" | |
12 | |
13 namespace views { | |
14 class View; | |
15 } // namespace views | |
16 | |
17 namespace ash { | |
18 | |
19 // Factory functions for system menu row layout managers. | |
20 class TrayPopupLayoutFactory { | |
21 public: | |
22 // Sets the layout manager of |host| to the default layout manager used by | |
23 // most system menu rows. The newly created layout manager is owned by the | |
24 // |host| but is returned so child Views can be added. | |
25 // | |
26 // The returned layout manager consists of 3 regions: START, CENTER, and END. | |
27 // Any child Views added to the START and END containers will be added | |
28 // horizonatlly and any Views added to the CENTER container will be added | |
29 // vertically. | |
30 // | |
31 // The START and END containers have a fixed width but can grow into the | |
32 // CENTER container if space is required and available. | |
33 // | |
34 // The CENTER container has a flexible width. | |
35 static ThreeViewLayout* InstallDefaultLayout(views::View* host); | |
36 | |
37 // Configures the different |container| Views with the default layout | |
38 // managers. | |
39 // | |
40 // This can be used by clients who need to embed portions of the default | |
41 // layout manager into a different container view, e.g. just the END layout | |
42 // into a clickable View. | |
43 static void ConfigureDefaultLayout(ThreeViewLayout* layout, | |
tdanderson
2016/10/19 18:31:00
Maybe it's the function name or the description, b
bruthig
2016/10/20 04:40:13
I envision this being used by menu rows that have
tdanderson
2016/10/20 18:16:49
Following up on our discussion in person, let's de
bruthig
2016/10/20 19:01:34
Acknowledged.
| |
44 ThreeViewLayout::Container container); | |
45 | |
46 private: | |
47 TrayPopupLayoutFactory(); | |
48 ~TrayPopupLayoutFactory(); | |
49 | |
50 DISALLOW_COPY_AND_ASSIGN(TrayPopupLayoutFactory); | |
51 }; | |
52 | |
53 } // namespace ash | |
54 | |
55 #endif // ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_LAYOUT_FACTORY_H_ | |
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