1 // Copyright 2013 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 UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_ 6 #define UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_ 7 8 #include "ui/base/ui_base_export.h" 9 10 namespace ui { 11 12 class ComboboxModel; 13 14 // Observer for the ComboboxModel. 15 class UI_BASE_EXPORT ComboboxModelObserver { 16 public: 17 // Invoked when |model| has changed in some way. The observer should assume 18 // everything changed. 19 virtual void OnComboboxModelChanged(ComboboxModel* model) = 0; 20 21 protected: ~ComboboxModelObserver()22 virtual ~ComboboxModelObserver() {} 23 }; 24 25 } // namespace ui 26 27 #endif // UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_ 28