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      1 // Copyright (c) 2012 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_WEB_DIALOGS_WEB_DIALOG_OBSERVER_H_
      6 #define UI_WEB_DIALOGS_WEB_DIALOG_OBSERVER_H_
      7 
      8 namespace content {
      9 class RenderViewHost;
     10 class WebUI;
     11 }
     12 
     13 namespace ui {
     14 
     15 // Implement this class to receive notifications.
     16 class WebDialogObserver {
     17  public:
     18   // Invoked when a web dialog has been shown.
     19   // |webui| is the WebUI with which the dialog is associated.
     20   // |render_view_host| is the RenderViewHost for the shown dialog.
     21   virtual void OnDialogShown(content::WebUI* webui,
     22                              content::RenderViewHost* render_view_host) = 0;
     23 
     24  protected:
     25   virtual ~WebDialogObserver() {}
     26 };
     27 
     28 }  // namespace ui
     29 
     30 #endif  // UI_WEB_DIALOGS_WEB_DIALOG_OBSERVER_H_
     31