1 // Copyright (c) 2011 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 CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_OBSERVER_H_ 6 #define CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_OBSERVER_H_ 7 8 namespace printing { 9 10 // An interface the PrintViewManager uses to notify an observer when the print 11 // dialog is shown. Register the observer via PrintViewManager::set_observer. 12 class PrintViewManagerObserver { 13 public: 14 // Notifies the observer that the print dialog was shown. 15 virtual void OnPrintDialogShown() = 0; 16 17 protected: ~PrintViewManagerObserver()18 virtual ~PrintViewManagerObserver() {} 19 }; 20 21 } // namespace printing 22 23 #endif // CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_OBSERVER_H_ 24