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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |
| 6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |
| 7 |
| 8 namespace mojo { |
| 9 namespace view_manager { |
| 10 |
| 11 class ViewManager; |
| 12 class ViewTreeNode; |
| 13 |
| 14 class ViewManagerDelegate { |
| 15 public: |
| 16 virtual void OnRootAdded(ViewManager* view_manager, ViewTreeNode* root) {} |
| 17 virtual void OnRootRemoved(ViewManager* view_manager, ViewTreeNode* root) {} |
| 18 |
| 19 protected: |
| 20 virtual ~ViewManagerDelegate() {} |
| 21 }; |
| 22 |
| 23 } // namespace view_manager |
| 24 } // namespace mojo |
| 25 |
| 26 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |
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