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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_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ | 5 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ |
6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ | 6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
12 | 12 |
13 namespace mojo { | 13 namespace mojo { |
14 namespace services { | 14 namespace services { |
15 namespace view_manager { | 15 namespace view_manager { |
16 | 16 |
17 class ViewManager; | |
18 class ViewTreeNodeObserver; | 17 class ViewTreeNodeObserver; |
19 | 18 |
20 class ViewTreeNode { | 19 class ViewTreeNode { |
21 public: | 20 public: |
22 typedef std::vector<ViewTreeNode*> Children; | 21 typedef std::vector<ViewTreeNode*> Children; |
23 | 22 |
24 explicit ViewTreeNode(ViewManager* manager); | 23 ViewTreeNode(); |
25 ViewTreeNode(); // Used for tests. | |
26 ~ViewTreeNode(); | 24 ~ViewTreeNode(); |
27 | 25 |
28 // Configuration. | 26 // Configuration. |
29 uint16_t id() const { return id_; } | |
30 void set_owned_by_parent(bool owned_by_parent) { | 27 void set_owned_by_parent(bool owned_by_parent) { |
31 owned_by_parent_ = owned_by_parent; | 28 owned_by_parent_ = owned_by_parent; |
32 } | 29 } |
33 | 30 |
34 // Observation. | 31 // Observation. |
35 void AddObserver(ViewTreeNodeObserver* observer); | 32 void AddObserver(ViewTreeNodeObserver* observer); |
36 void RemoveObserver(ViewTreeNodeObserver* observer); | 33 void RemoveObserver(ViewTreeNodeObserver* observer); |
37 | 34 |
38 // Tree. | 35 // Tree. |
39 ViewTreeNode* parent() { return parent_; } | 36 ViewTreeNode* parent() { return parent_; } |
40 const ViewTreeNode* parent() const { return parent_; } | 37 const ViewTreeNode* parent() const { return parent_; } |
41 const Children& children() const { return children_; } | 38 const Children& children() const { return children_; } |
42 | 39 |
43 void AddChild(ViewTreeNode* child); | 40 void AddChild(ViewTreeNode* child); |
44 void RemoveChild(ViewTreeNode* child); | 41 void RemoveChild(ViewTreeNode* child); |
45 | 42 |
46 bool Contains(ViewTreeNode* child) const; | 43 bool Contains(ViewTreeNode* child) const; |
47 | 44 |
48 private: | 45 private: |
49 friend class ViewTreeNodePrivate; | 46 friend class ViewTreeNodePrivate; |
50 | 47 |
51 ViewManager* manager_; | |
52 uint16_t id_; | |
53 bool owned_by_parent_; | 48 bool owned_by_parent_; |
54 ViewTreeNode* parent_; | 49 ViewTreeNode* parent_; |
55 Children children_; | 50 Children children_; |
56 | 51 |
57 ObserverList<ViewTreeNodeObserver> observers_; | 52 ObserverList<ViewTreeNodeObserver> observers_; |
58 | 53 |
59 DISALLOW_COPY_AND_ASSIGN(ViewTreeNode); | 54 DISALLOW_COPY_AND_ASSIGN(ViewTreeNode); |
60 }; | 55 }; |
61 | 56 |
62 } // namespace view_manager | 57 } // namespace view_manager |
63 } // namespace services | 58 } // namespace services |
64 } // namespace mojo | 59 } // namespace mojo |
65 | 60 |
66 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ | 61 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_TREE_NODE_H_ |
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