pjs/uriloader/exthandler/mac/nsInternetConfig.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
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*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
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#include "nsInternetConfig.h"
#include "nsString.h"
#include "nsReadableUtils.h"
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#include "nsDebug.h"
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#include <CodeFragments.h>
#include <Processes.h>
ICInstance nsInternetConfig::sInstance = NULL;
long nsInternetConfig::sSeed = 0;
PRInt32 nsInternetConfig::sRefCount = 0;
static OSType GetAppCreatorCode()
{
ProcessSerialNumber psn = { 0, kCurrentProcess } ;
ProcessInfoRec procInfo;
procInfo.processInfoLength = sizeof(ProcessInfoRec);
procInfo.processName = nsnull;
procInfo.processAppSpec = nsnull;
GetProcessInformation(&psn, &procInfo);
return procInfo.processSignature;
}
ICInstance nsInternetConfig::GetInstance()
{
if ( !sInstance )
{
OSStatus err;
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if ((long)ICStart == kUnresolvedCFragSymbolAddress )
return sInstance;
OSType creator = GetAppCreatorCode();
err = ::ICStart( &sInstance, creator );
if ( err != noErr )
{
::ICStop( sInstance );
}
else
{
#if !TARGET_CARBON
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::ICFindConfigFile( sInstance, 0 , nil );
#endif
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::ICGetSeed( sInstance, &sSeed );
}
}
return sInstance;
}
PRBool nsInternetConfig::HasSeedChanged()
{
ICInstance instance = nsInternetConfig::GetInstance();
if ( instance )
{
long newSeed = 0;
::ICGetSeed( sInstance, &newSeed );
if ( newSeed != sSeed )
{
sSeed = newSeed;
return PR_TRUE;
}
}
return PR_FALSE;
}
nsInternetConfig::nsInternetConfig()
{
sRefCount++;
}
nsInternetConfig::~nsInternetConfig()
{
sRefCount--;
if ( sRefCount == 0 && sInstance)
{
::ICStop( sInstance );
sInstance = NULL;
}
}