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1 // Copyright 2015 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 COMPONENTS_VIEW_MANAGER_SERVER_VIEW_OBSERVER_H_ | |
6 #define COMPONENTS_VIEW_MANAGER_SERVER_VIEW_OBSERVER_H_ | |
7 | |
8 #include "components/view_manager/public/interfaces/view_manager_constants.mojom
.h" | |
9 | |
10 namespace gfx { | |
11 class Rect; | |
12 } | |
13 | |
14 namespace mojo { | |
15 class ViewportMetrics; | |
16 } | |
17 | |
18 namespace ui { | |
19 struct TextInputState; | |
20 } | |
21 | |
22 namespace view_manager { | |
23 | |
24 class ServerView; | |
25 | |
26 // TODO(sky): rename to OnDid and OnWill everywhere. | |
27 class ServerViewObserver { | |
28 public: | |
29 // Invoked when a view is about to be destroyed; before any of the children | |
30 // have been removed and before the view has been removed from its parent. | |
31 virtual void OnWillDestroyView(ServerView* view) {} | |
32 | |
33 // Invoked at the end of the View's destructor (after it has been removed from | |
34 // the hierarchy). | |
35 virtual void OnViewDestroyed(ServerView* view) {} | |
36 | |
37 virtual void OnWillChangeViewHierarchy(ServerView* view, | |
38 ServerView* new_parent, | |
39 ServerView* old_parent) {} | |
40 | |
41 virtual void OnViewHierarchyChanged(ServerView* view, | |
42 ServerView* new_parent, | |
43 ServerView* old_parent) {} | |
44 | |
45 virtual void OnViewBoundsChanged(ServerView* view, | |
46 const gfx::Rect& old_bounds, | |
47 const gfx::Rect& new_bounds) {} | |
48 | |
49 virtual void OnViewReordered(ServerView* view, | |
50 ServerView* relative, | |
51 mojo::OrderDirection direction) {} | |
52 | |
53 virtual void OnWillChangeViewVisibility(ServerView* view) {} | |
54 virtual void OnViewVisibilityChanged(ServerView* view) {} | |
55 | |
56 virtual void OnViewTextInputStateChanged(ServerView* view, | |
57 const ui::TextInputState& state) {} | |
58 | |
59 virtual void OnViewSharedPropertyChanged( | |
60 ServerView* view, | |
61 const std::string& name, | |
62 const std::vector<uint8_t>* new_data) {} | |
63 | |
64 protected: | |
65 virtual ~ServerViewObserver() {} | |
66 }; | |
67 | |
68 } // namespace view_manager | |
69 | |
70 #endif // COMPONENTS_VIEW_MANAGER_SERVER_VIEW_OBSERVER_H_ | |
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