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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_NODE_DELEGATE_H_ | 5 #ifndef MOJO_SERVICES_VIEW_MANAGER_NODE_DELEGATE_H_ |
6 #define MOJO_SERVICES_VIEW_MANAGER_NODE_DELEGATE_H_ | 6 #define MOJO_SERVICES_VIEW_MANAGER_NODE_DELEGATE_H_ |
7 | 7 |
8 #include "mojo/services/view_manager/view_manager_export.h" | 8 #include "mojo/services/view_manager/view_manager_export.h" |
9 | 9 |
10 namespace ui { | 10 namespace ui { |
11 class Event; | 11 class Event; |
12 } | 12 } |
13 | 13 |
14 namespace gfx { | |
15 class Rect; | |
16 } | |
17 | |
18 namespace mojo { | 14 namespace mojo { |
19 namespace view_manager { | 15 namespace view_manager { |
20 namespace service { | 16 namespace service { |
21 | 17 |
22 class Node; | 18 class Node; |
23 class View; | 19 class View; |
24 | 20 |
25 class MOJO_VIEW_MANAGER_EXPORT NodeDelegate { | 21 class MOJO_VIEW_MANAGER_EXPORT NodeDelegate { |
26 public: | 22 public: |
27 // Invoked when the hierarchy has changed. | 23 // Invoked when the hierarchy has changed. |
28 virtual void OnNodeHierarchyChanged(const Node* node, | 24 virtual void OnNodeHierarchyChanged(const Node* node, |
29 const Node* new_parent, | 25 const Node* new_parent, |
30 const Node* old_parent) = 0; | 26 const Node* old_parent) = 0; |
31 | 27 |
32 virtual void OnNodeBoundsChanged(const Node* node, | |
33 const gfx::Rect& old_bounds, | |
34 const gfx::Rect& new_bounds) = 0; | |
35 | |
36 // Invoked when the View associated with a node changes. | 28 // Invoked when the View associated with a node changes. |
37 virtual void OnNodeViewReplaced(const Node* node, | 29 virtual void OnNodeViewReplaced(const Node* node, |
38 const View* new_view, | 30 const View* new_view, |
39 const View* old_view) = 0; | 31 const View* old_view) = 0; |
40 | 32 |
41 // Invoked when an input event is received by the View at this node. | 33 // Invoked when an input event is received by the View at this node. |
42 virtual void OnViewInputEvent(const View* view, | 34 virtual void OnViewInputEvent(const View* view, |
43 const ui::Event* event) = 0; | 35 const ui::Event* event) = 0; |
44 | 36 |
45 protected: | 37 protected: |
46 virtual ~NodeDelegate() {} | 38 virtual ~NodeDelegate() {} |
47 }; | 39 }; |
48 | 40 |
49 } // namespace service | 41 } // namespace service |
50 } // namespace view_manager | 42 } // namespace view_manager |
51 } // namespace mojo | 43 } // namespace mojo |
52 | 44 |
53 #endif // MOJO_SERVICES_VIEW_MANAGER_NODE_DELEGATE_H_ | 45 #endif // MOJO_SERVICES_VIEW_MANAGER_NODE_DELEGATE_H_ |
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