MResourceAccess.h

//========================================================================================
// 
// $File$
// 
// Owner: Dave Burnard
// 
// $Author$
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// $DateTime$
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
//========================================================================================

#ifndef __MResourceAccess__
#define __MResourceAccess__

#include "MBaseResourceAccess.h"

// This is required for the linker due to the friend declarations below.
extern "C" {
 void InitConnection();
 void TerminateConnection();
}

class MResourceAccess : public MBaseResourceAccess
{
public:
 MResourceAccess();
 MResourceAccess(const IDFile *resourceFile);
 MResourceAccess(const CFBundleRef bundleRef);
 MResourceAccess(PluginID plugin);

 ~MResourceAccess();
 
 static void SetResourceFile(const IDFile *rsrcFileLocation);
 static void SetPluginBundle(const CFBundleRef bundleRef);
 
private:
 // The IDFile pointer in gPluginResourceFileInfo needs to be allocated very
 // early in InitConnection() and deallocated in TerminateConnection(). Make
 // the functions friends to give them access to gPluginResourceFileInfo.
 friend class PlugIn;
 friend class MResourceAccessCleanerUpper;
 friend void InitConnection();
 static ResourceFileInfo gPluginResourceFileInfo;

#ifdef DEBUG
 int32 fOldNumResAccesses; // to catch unneeded usages
#endif
};

// Used by the runtime to destruct the static MResourceAccess::gPluginResourceFileInfo a bit earlier than usual, 
// to aid our leak tracking code.
class MResourceAccessCleanerUpper
{
public:
 MResourceAccessCleanerUpper(char * dylibName = nil);
 ~MResourceAccessCleanerUpper();
 
 char* fDylibName;
};


#endif // __MResourceAccess__