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_UI_GTK_PROCESS_SINGLETON_DIALOG_H_ 6 #define CHROME_BROWSER_UI_GTK_PROCESS_SINGLETON_DIALOG_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "ui/base/gtk/gtk_signal.h" 12 13 typedef struct _GtkWidget GtkWidget; 14 15 // Displays an error to the user when the ProcessSingleton cannot acquire the 16 // lock. This runs the message loop itself as the browser message loop has not 17 // started by that point in the startup process. 18 class ProcessSingletonDialog { 19 public: 20 // Shows the dialog, and returns once the dialog has been closed. 21 static void ShowAndRun(const std::string& message); 22 23 private: 24 explicit ProcessSingletonDialog(const std::string& message); 25 26 CHROMEGTK_CALLBACK_1(ProcessSingletonDialog, void, OnResponse, int); 27 28 GtkWidget* dialog_; 29 30 DISALLOW_COPY_AND_ASSIGN(ProcessSingletonDialog); 31 }; 32 33 #endif // CHROME_BROWSER_UI_GTK_PROCESS_SINGLETON_DIALOG_H_ 34
