CPP/7zip/UI/FileManager/PluginLoader.h


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// PluginLoader.h

#ifndef __PLUGIN_LOADER_H
#define __PLUGIN_LOADER_H

#include "Windows/DLL.h"

#include "IFolder.h"

typedef UINT32 (WINAPI * CreateObjectPointer)(const GUID *clsID, const GUID *interfaceID, void **outObject);

class CPluginLibrary: public NWindows::NDLL::CLibrary
{
public:
  HRESULT CreateManager(REFGUID clsID, IFolderManager **manager)
  {
    CreateObjectPointer createObject = (CreateObjectPointer)GetProc("CreateObject");
    if (createObject == NULL)
      return GetLastError();
    return createObject(&clsID, &IID_IFolderManager, (void **)manager);
  }
  HRESULT LoadAndCreateManager(CFSTR filePath, REFGUID clsID, IFolderManager **manager)
  {
    if (!Load(filePath))
      return GetLastError();
    return CreateManager(clsID, manager);
  }
};

#endif