// Copyright (c) 2013 GitHub, Inc. // Use of this source code is governed by the MIT license that can be // found in the LICENSE file. #ifndef ELECTRON_SHELL_BROWSER_WINDOW_LIST_OBSERVER_H_ #define ELECTRON_SHELL_BROWSER_WINDOW_LIST_OBSERVER_H_ #include "base/observer_list_types.h" namespace electron { class NativeWindow; class WindowListObserver : public base::CheckedObserver { public: // Called when a window close is cancelled by beforeunload handler. virtual void OnWindowCloseCancelled(NativeWindow* window) {} // Called immediately after all windows are closed. virtual void OnWindowAllClosed() {} protected: ~WindowListObserver() override {} }; } // namespace electron #endif // ELECTRON_SHELL_BROWSER_WINDOW_LIST_OBSERVER_H_