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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ | 5 #ifndef COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ |
6 #define COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ | 6 #define COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ |
7 | 7 |
8 #include "components/view_manager/ids.h" | 8 #include "components/view_manager/ids.h" |
9 #include "components/view_manager/public/interfaces/view_manager_constants.mojom
.h" | 9 #include "components/view_manager/public/interfaces/view_manager_constants.mojom
.h" |
10 | 10 |
11 namespace view_manager { | 11 namespace view_manager { |
12 | 12 |
13 class ServerView; | 13 class ServerView; |
14 | 14 |
15 // AccessPolicy is used by ViewManagerServiceImpl to determine what a connection | 15 // AccessPolicy is used by ViewTreeImpl to determine what a connection is |
16 // is allowed to do. | 16 // allowed to do. |
17 class AccessPolicy { | 17 class AccessPolicy { |
18 public: | 18 public: |
19 virtual ~AccessPolicy() {} | 19 virtual ~AccessPolicy() {} |
20 | 20 |
21 // Unless otherwise mentioned all arguments have been validated. That is the | 21 // Unless otherwise mentioned all arguments have been validated. That is the |
22 // |view| arguments are non-null unless otherwise stated (eg CanSetView() is | 22 // |view| arguments are non-null unless otherwise stated (eg CanSetView() is |
23 // allowed to take a NULL view). | 23 // allowed to take a NULL view). |
24 virtual bool CanRemoveViewFromParent(const ServerView* view) const = 0; | 24 virtual bool CanRemoveViewFromParent(const ServerView* view) const = 0; |
25 virtual bool CanAddView(const ServerView* parent, | 25 virtual bool CanAddView(const ServerView* parent, |
26 const ServerView* child) const = 0; | 26 const ServerView* child) const = 0; |
(...skipping 22 matching lines...) Expand all Loading... |
49 const ServerView** old_parent) const = 0; | 49 const ServerView** old_parent) const = 0; |
50 | 50 |
51 // Returns the view to supply to the client when focus changes to |focused|. | 51 // Returns the view to supply to the client when focus changes to |focused|. |
52 virtual const ServerView* GetViewForFocusChange( | 52 virtual const ServerView* GetViewForFocusChange( |
53 const ServerView* focused) = 0; | 53 const ServerView* focused) = 0; |
54 }; | 54 }; |
55 | 55 |
56 } // namespace view_manager | 56 } // namespace view_manager |
57 | 57 |
58 #endif // COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ | 58 #endif // COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_H_ |
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