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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_PUBLIC_CPP_VIEW_OBSERVER_H_ | 5 #ifndef MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_OBSERVER_H_ |
6 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_OBSERVER_H_ | 6 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_OBSERVER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "input_events/public/interfaces/input_events.mojom.h" | 10 #include "input_events/interfaces/input_events.mojom.h" |
11 #include "view_manager/public/cpp/view.h" | 11 #include "view_manager/public/cpp/view.h" |
12 | 12 |
13 namespace mojo { | 13 namespace mojo { |
14 | 14 |
15 class View; | 15 class View; |
16 | 16 |
17 // A note on -ing and -ed suffixes: | 17 // A note on -ing and -ed suffixes: |
18 // | 18 // |
19 // -ing methods are called before changes are applied to the local view model. | 19 // -ing methods are called before changes are applied to the local view model. |
20 // -ed methods are called after changes are applied to the local view model. | 20 // -ed methods are called after changes are applied to the local view model. |
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97 virtual void OnViewDrawnChanging(View* view) {} | 97 virtual void OnViewDrawnChanging(View* view) {} |
98 virtual void OnViewDrawnChanged(View* view) {} | 98 virtual void OnViewDrawnChanged(View* view) {} |
99 | 99 |
100 protected: | 100 protected: |
101 virtual ~ViewObserver() {} | 101 virtual ~ViewObserver() {} |
102 }; | 102 }; |
103 | 103 |
104 } // namespace mojo | 104 } // namespace mojo |
105 | 105 |
106 #endif // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_OBSERVER_H_ | 106 #endif // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_OBSERVER_H_ |
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