зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
3.2 KiB
C
99 строки
3.2 KiB
C
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Widget code.
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsAppShellSingleton_h__
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#define nsAppShellSingleton_h__
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/**
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* This file is designed to be included into the file that provides the
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* nsIModule implementation for a particular widget toolkit.
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*
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* The following functions are defined:
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* nsAppShellInit
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* nsAppShellShutdown
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* nsAppShellConstructor
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*
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* The nsAppShellInit function is designed to be used as a module constructor.
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* If you already have a module constructor, then call nsAppShellInit from your
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* module constructor.
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*
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* The nsAppShellShutdown function is designed to be used as a module
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* destructor. If you already have a module destructor, then call
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* nsAppShellShutdown from your module destructor.
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*
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* The nsAppShellConstructor function is designed to be used as a factory
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* method for the nsAppShell class.
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*/
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static nsAppShell *sAppShell;
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static nsresult
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nsAppShellInit()
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{
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NS_ASSERTION(!sAppShell, "already initialized");
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sAppShell = new nsAppShell();
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if (!sAppShell)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(sAppShell);
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nsresult rv = sAppShell->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(sAppShell);
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return rv;
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}
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return NS_OK;
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}
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static void
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nsAppShellShutdown()
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{
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NS_RELEASE(sAppShell);
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}
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static nsresult
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nsAppShellConstructor(nsISupports *outer, const nsIID &iid, void **result)
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{
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NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
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NS_ENSURE_TRUE(sAppShell, NS_ERROR_NOT_INITIALIZED);
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return sAppShell->QueryInterface(iid, result);
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}
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#endif // nsAppShellSingleton_h__
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