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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 MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ | 5 #ifndef MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ |
6 #define MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ | 6 #define MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ |
7 | 7 |
8 #include "mojo/services/public/interfaces/view_manager/view_manager_constants.mo
jom.h" | 8 #include "mojo/services/public/interfaces/view_manager/view_manager_constants.mo
jom.h" |
9 #include "mojo/services/view_manager/ids.h" | 9 #include "mojo/services/view_manager/ids.h" |
10 | 10 |
11 namespace mojo { | 11 namespace mojo { |
12 namespace service { | 12 namespace service { |
13 | 13 |
14 class Node; | 14 class ServerView; |
15 class View; | |
16 | 15 |
17 // AccessPolicy is used by ViewManagerServiceImpl to determine what a connection | 16 // AccessPolicy is used by ViewManagerServiceImpl to determine what a connection |
18 // is allowed to do. | 17 // is allowed to do. |
19 class AccessPolicy { | 18 class AccessPolicy { |
20 public: | 19 public: |
21 virtual ~AccessPolicy() {} | 20 virtual ~AccessPolicy() {} |
22 | 21 |
23 // Unless otherwise mentioned all arguments have been validated. That is the | 22 // Unless otherwise mentioned all arguments have been validated. That is the |
24 // |node| and/or |view| arguments are non-null unless otherwise stated (eg | 23 // |view| arguments are non-null unless otherwise stated (eg CanSetView() is |
25 // CanSetView() is allowed to take a NULL view). | 24 // allowed to take a NULL view). |
26 virtual bool CanRemoveNodeFromParent(const Node* node) const = 0; | 25 virtual bool CanRemoveViewFromParent(const ServerView* view) const = 0; |
27 virtual bool CanAddNode(const Node* parent, const Node* child) const = 0; | 26 virtual bool CanAddView(const ServerView* parent, |
28 virtual bool CanReorderNode(const Node* node, | 27 const ServerView* child) const = 0; |
29 const Node* relative_node, | 28 virtual bool CanReorderView(const ServerView* view, |
| 29 const ServerView* relative_view, |
30 OrderDirection direction) const = 0; | 30 OrderDirection direction) const = 0; |
31 virtual bool CanDeleteNode(const Node* node) const = 0; | 31 virtual bool CanDeleteView(const ServerView* view) const = 0; |
32 virtual bool CanGetNodeTree(const Node* node) const = 0; | 32 virtual bool CanGetViewTree(const ServerView* view) const = 0; |
33 // Used when building a node tree (GetNodeTree()) to decide if we should | 33 // Used when building a view tree (GetViewTree()) to decide if we should |
34 // descend into |node|. | 34 // descend into |view|. |
35 virtual bool CanDescendIntoNodeForNodeTree(const Node* node) const = 0; | 35 virtual bool CanDescendIntoViewForViewTree(const ServerView* view) const = 0; |
36 virtual bool CanEmbed(const Node* node) const = 0; | 36 virtual bool CanEmbed(const ServerView* view) const = 0; |
37 virtual bool CanChangeNodeVisibility(const Node* node) const = 0; | 37 virtual bool CanChangeViewVisibility(const ServerView* view) const = 0; |
38 virtual bool CanSetNodeContents(const Node* node) const = 0; | 38 virtual bool CanSetViewContents(const ServerView* view) const = 0; |
39 virtual bool CanSetNodeBounds(const Node* node) const = 0; | 39 virtual bool CanSetViewBounds(const ServerView* view) const = 0; |
40 | 40 |
41 // Returns whether the connection should notify on a hierarchy change. | 41 // Returns whether the connection should notify on a hierarchy change. |
42 // |new_parent| and |old_parent| are initially set to the new and old parents | 42 // |new_parent| and |old_parent| are initially set to the new and old parents |
43 // but may be altered so that the client only sees a certain set of nodes. | 43 // but may be altered so that the client only sees a certain set of views. |
44 virtual bool ShouldNotifyOnHierarchyChange( | 44 virtual bool ShouldNotifyOnHierarchyChange( |
45 const Node* node, | 45 const ServerView* view, |
46 const Node** new_parent, | 46 const ServerView** new_parent, |
47 const Node** old_parent) const = 0; | 47 const ServerView** old_parent) const = 0; |
48 | |
49 virtual bool ShouldSendViewDeleted(const ViewId& view_id) const = 0; | |
50 }; | 48 }; |
51 | 49 |
52 } // namespace service | 50 } // namespace service |
53 } // namespace mojo | 51 } // namespace mojo |
54 | 52 |
55 #endif // MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ | 53 #endif // MOJO_SERVICES_VIEW_MANAGER_ACCESS_POLICY_H_ |
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