/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef nsAppShellSingleton_h__ #define nsAppShellSingleton_h__ /** * This file is designed to be included into the file that provides the * nsIModule implementation for a particular widget toolkit. * * The following functions are defined: * nsAppShellInit * nsAppShellShutdown * nsAppShellConstructor * * The nsAppShellInit function is designed to be used as a module constructor. * If you already have a module constructor, then call nsAppShellInit from your * module constructor. * * The nsAppShellShutdown function is designed to be used as a module * destructor. If you already have a module destructor, then call * nsAppShellShutdown from your module destructor. * * The nsAppShellConstructor function is designed to be used as a factory * method for the nsAppShell class. */ #include "nsXULAppAPI.h" static nsIAppShell *sAppShell; static nsresult nsAppShellInit() { NS_ASSERTION(!sAppShell, "already initialized"); sAppShell = new nsAppShell(); if (!sAppShell) return NS_ERROR_OUT_OF_MEMORY; NS_ADDREF(sAppShell); nsresult rv; rv = static_cast<nsAppShell*>(sAppShell)->Init(); if (NS_FAILED(rv)) { NS_RELEASE(sAppShell); return rv; } return NS_OK; } static void nsAppShellShutdown() { NS_RELEASE(sAppShell); } static nsresult nsAppShellConstructor(nsISupports *outer, const nsIID &iid, void **result) { NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION); NS_ENSURE_TRUE(sAppShell, NS_ERROR_NOT_INITIALIZED); return sAppShell->QueryInterface(iid, result); } #endif // nsAppShellSingleton_h__