components/omnibox/browser/omnibox_popup_model_observer.h

   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 COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_MODEL_OBSERVER_H_
   6 #define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_MODEL_OBSERVER_H_
   7
   8 // Allows observers to react and update accordingly when state of
   9 // |OmniboxPopupModel| changes, e.g. when the omnibox popup is shown or hidden.
  10 class OmniboxPopupModelObserver {
  11  public:
  12   // Informs observers that omnibox popup has been shown or hidden.
  13   virtual void OnOmniboxPopupShownOrHidden() = 0;
  14 };
  15
  16 #endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_MODEL_OBSERVER_H_