MBaseResourceAccess.h

//========================================================================================
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// Owner: robin briggs
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
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// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
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#ifndef __MBaseResourceAccess__
#define __MBaseResourceAccess__

#include "IResourceAccess.h"
#include <boost/shared_ptr.hpp>

// Forward declares
class PMString;
class ResourceLock;

class MBaseResourceAccess : public IResourceAccess
{
public:

 struct ResourceFileInfo {
 bool16 fDefaultAccess; 
 int16 fOpenCount;
 ResFileRefNum fRefNum;
 bool16 fUseBundle;
 IDFile* fRsrcFile;
 CFBundleRef fBundleRef;
 };
 
 MBaseResourceAccess();
 MBaseResourceAccess(ResourceFileInfo* resFileInfo);
 MBaseResourceAccess(const IDFile *resourceFile, ResourceFileInfo*);
 MBaseResourceAccess(const CFBundleRef bundleRef, ResourceFileInfo*);
 MBaseResourceAccess(PluginID plugin, ResourceFileInfo*);

 virtual ~MBaseResourceAccess();
 
 virtual const IDFile *GetResourceFile();

 ResourceFileInfo* GetResourceFileInfo() { return(fResourceFileInfo); }
 
 static void SetAppResource(const int16 appRefNum);

private:
 static int16 gAppRefNum; // refNum for the applications resource file (always open).

 void OpenResourceFileWithRetry();
 bool16 OpenResourceFile();
 void CloseResourceFile();

 ResourceFileInfo *fPluginResourceFileInfo;
 ResourceFileInfo *fResourceFileInfo;
 int16 fPreviousRefNum;
 
 boost::shared_ptr<ResourceLock> fResourceLock; // needed because of the shared global resource handler
};

#endif // __MPlugInResourceAccess__