Initial community commit
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537bcbc862
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16440 changed files with 4239995 additions and 2 deletions
336
Src/nprt_plugin/gecko/1.8/win/include/nsComponentManagerUtils.h
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336
Src/nprt_plugin/gecko/1.8/win/include/nsComponentManagerUtils.h
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 mozilla.org Code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 nsComponentManagerUtils_h__
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#define nsComponentManagerUtils_h__
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#ifndef nscore_h__
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#include "nscore.h"
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#endif
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#ifndef nsCOMPtr_h__
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#include "nsCOMPtr.h"
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#endif
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#include "nsIFactory.h"
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NS_COM_GLUE nsresult
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CallCreateInstance
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(const nsCID &aClass, nsISupports *aDelegate, const nsIID &aIID,
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void **aResult);
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NS_COM_GLUE nsresult
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CallCreateInstance
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(const char *aContractID, nsISupports *aDelegate, const nsIID &aIID,
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void **aResult);
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NS_COM_GLUE nsresult
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CallGetClassObject
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(const nsCID &aClass, const nsIID &aIID, void **aResult);
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NS_COM_GLUE nsresult
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CallGetClassObject
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(const char *aContractID, const nsIID &aIID, void **aResult);
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class NS_COM_GLUE nsCreateInstanceByCID : public nsCOMPtr_helper
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{
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public:
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nsCreateInstanceByCID( const nsCID& aCID, nsISupports* aOuter, nsresult* aErrorPtr )
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: mCID(aCID),
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mOuter(aOuter),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do here
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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private:
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const nsCID& mCID;
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nsISupports* mOuter;
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nsresult* mErrorPtr;
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};
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class NS_COM_GLUE nsCreateInstanceByContractID : public nsCOMPtr_helper
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{
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public:
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nsCreateInstanceByContractID( const char* aContractID, nsISupports* aOuter, nsresult* aErrorPtr )
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: mContractID(aContractID),
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mOuter(aOuter),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do here
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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private:
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const char* mContractID;
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nsISupports* mOuter;
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nsresult* mErrorPtr;
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};
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class NS_COM_GLUE nsCreateInstanceFromFactory : public nsCOMPtr_helper
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{
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public:
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nsCreateInstanceFromFactory( nsIFactory* aFactory, nsISupports* aOuter, nsresult* aErrorPtr )
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: mFactory(aFactory),
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mOuter(aOuter),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do here
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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private:
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nsIFactory* mFactory;
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nsISupports* mOuter;
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nsresult* mErrorPtr;
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};
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inline
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const nsCreateInstanceByCID
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do_CreateInstance( const nsCID& aCID, nsresult* error = 0 )
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{
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return nsCreateInstanceByCID(aCID, 0, error);
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}
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inline
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const nsCreateInstanceByCID
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do_CreateInstance( const nsCID& aCID, nsISupports* aOuter, nsresult* error = 0 )
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{
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return nsCreateInstanceByCID(aCID, aOuter, error);
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}
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inline
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const nsCreateInstanceByContractID
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do_CreateInstance( const char* aContractID, nsresult* error = 0 )
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{
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return nsCreateInstanceByContractID(aContractID, 0, error);
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}
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inline
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const nsCreateInstanceByContractID
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do_CreateInstance( const char* aContractID, nsISupports* aOuter, nsresult* error = 0 )
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{
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return nsCreateInstanceByContractID(aContractID, aOuter, error);
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}
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inline
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const nsCreateInstanceFromFactory
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do_CreateInstance( nsIFactory* aFactory, nsresult* error = 0 )
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{
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return nsCreateInstanceFromFactory(aFactory, 0, error);
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}
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inline
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const nsCreateInstanceFromFactory
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do_CreateInstance( nsIFactory* aFactory, nsISupports* aOuter, nsresult* error = 0 )
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{
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return nsCreateInstanceFromFactory(aFactory, aOuter, error);
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}
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class NS_COM_GLUE nsGetClassObjectByCID : public nsCOMPtr_helper
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{
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public:
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nsGetClassObjectByCID( const nsCID& aCID, nsresult* aErrorPtr )
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: mCID(aCID),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do here
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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private:
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const nsCID& mCID;
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nsresult* mErrorPtr;
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};
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class NS_COM_GLUE nsGetClassObjectByContractID : public nsCOMPtr_helper
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{
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public:
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nsGetClassObjectByContractID( const char* aContractID, nsresult* aErrorPtr )
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: mContractID(aContractID),
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mErrorPtr(aErrorPtr)
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{
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// nothing else to do here
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}
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virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
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private:
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const char* mContractID;
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nsresult* mErrorPtr;
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};
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/**
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* do_GetClassObject can be used to improve performance of callers
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* that call |CreateInstance| many times. They can cache the factory
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* and call do_CreateInstance or CallCreateInstance with the cached
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* factory rather than having the component manager retrieve it every
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* time.
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*/
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inline const nsGetClassObjectByCID
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do_GetClassObject( const nsCID& aCID, nsresult* error = 0 )
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{
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return nsGetClassObjectByCID(aCID, error);
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}
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inline const nsGetClassObjectByContractID
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do_GetClassObject( const char* aContractID, nsresult* error = 0 )
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{
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return nsGetClassObjectByContractID(aContractID, error);
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}
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// type-safe shortcuts for calling |CreateInstance|
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( const nsCID &aClass,
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nsISupports *aDelegate,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aDestination, "null parameter");
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return CallCreateInstance(aClass, aDelegate,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( const nsCID &aClass,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aDestination, "null parameter");
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return CallCreateInstance(aClass, nsnull,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( const char *aContractID,
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nsISupports *aDelegate,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aContractID, "null parameter");
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NS_PRECONDITION(aDestination, "null parameter");
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return CallCreateInstance(aContractID,
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aDelegate,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( const char *aContractID,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aContractID, "null parameter");
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NS_PRECONDITION(aDestination, "null parameter");
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return CallCreateInstance(aContractID, nsnull,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( nsIFactory *aFactory,
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nsISupports *aDelegate,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aFactory, "null parameter");
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NS_PRECONDITION(aDestination, "null parameter");
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return aFactory->CreateInstance(aDelegate,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallCreateInstance( nsIFactory *aFactory,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aFactory, "null parameter");
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NS_PRECONDITION(aDestination, "null parameter");
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return aFactory->CreateInstance(nsnull,
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NS_GET_IID(DestinationType),
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NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallGetClassObject( const nsCID &aClass,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aDestination, "null parameter");
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return CallGetClassObject(aClass,
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NS_GET_IID(DestinationType), NS_REINTERPRET_CAST(void**, aDestination));
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}
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template <class DestinationType>
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inline
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nsresult
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CallGetClassObject( const char* aContractID,
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DestinationType** aDestination )
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{
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NS_PRECONDITION(aDestination, "null parameter");
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return CallGetClassObject(aContractID,
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NS_GET_IID(DestinationType), NS_REINTERPRET_CAST(void**, aDestination));
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}
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#endif /* nsComponentManagerUtils_h__ */
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