/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License.
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 * The Original Code is mozilla.org code.
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 *
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#ifndef nsXPComPrivate_h__
#define nsXPComPrivate_h__

#include "nscore.h"
#include "nsXPCOM.h"
/**
 * Private Method to register an exit routine.  This method
 * allows you to setup a callback that will be called from 
 * the NS_ShutdownXPCOM function after all services and 
 * components have gone away.
 *
 * This API is for the exclusive use of the xpcom glue library.
 * 
 * Note that these APIs are NOT threadsafe and must be called on the
 * main thread.
 * 
 * @status FROZEN
 * @param exitRoutine pointer to user defined callback function
 *                    of type XPCOMExitRoutine. 
 * @param priority    higher priorities are called before lower  
 *                    priorities.
 *
 * @return NS_OK for success;
 *         other error codes indicate a failure.
 *
 */
typedef NS_CALLBACK(XPCOMExitRoutine)(void);

extern "C" NS_COM nsresult
NS_RegisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine, PRUint32 priority);

extern "C" NS_COM nsresult
NS_UnregisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine);


// PUBLIC
typedef nsresult (PR_CALLBACK *InitFunc)(nsIServiceManager* *result, nsIFile* binDirectory, nsIDirectoryServiceProvider* appFileLocationProvider);
typedef nsresult (PR_CALLBACK *ShutdownFunc)(nsIServiceManager* servMgr);
typedef nsresult (PR_CALLBACK *GetServiceManagerFunc)(nsIServiceManager* *result);
typedef nsresult (PR_CALLBACK *GetComponentManagerFunc)(nsIComponentManager* *result);
typedef nsresult (PR_CALLBACK *GetComponentRegistrarFunc)(nsIComponentRegistrar* *result);
typedef nsresult (PR_CALLBACK *GetMemoryManagerFunc)(nsIMemory* *result);
typedef nsresult (PR_CALLBACK *NewLocalFileFunc)(const nsAString &path, PRBool followLinks, nsILocalFile* *result);
typedef nsresult (PR_CALLBACK *NewNativeLocalFileFunc)(const nsACString &path, PRBool followLinks, nsILocalFile* *result);
// PRIVATE
typedef nsresult (PR_CALLBACK *RegisterXPCOMExitRoutineFunc)(XPCOMExitRoutine exitRoutine, PRUint32 priority);
typedef nsresult (PR_CALLBACK *UnregisterXPCOMExitRoutineFunc)(XPCOMExitRoutine exitRoutine);

typedef struct XPCOMFunctions{
    PRUint32 version;
    PRUint32 size;

    InitFunc init;
    ShutdownFunc shutdown;
    GetServiceManagerFunc getServiceManager;
    GetComponentManagerFunc getComponentManager;
    GetComponentRegistrarFunc getComponentRegistrar;
    GetMemoryManagerFunc getMemoryManager;
    NewLocalFileFunc newLocalFile;
    NewNativeLocalFileFunc newNativeLocalFile;

    RegisterXPCOMExitRoutineFunc registerExitRoutine;
    UnregisterXPCOMExitRoutineFunc unregisterExitRoutine;
} XPCOMFunctions;

typedef nsresult (PR_CALLBACK *GetFrozenFunctionsFunc)(XPCOMFunctions *entryPoints);
extern "C" NS_COM nsresult
NS_GetFrozenFunctions(XPCOMFunctions *entryPoints);

// think hard before changing this
#define XPCOM_GLUE_VERSION 1

#endif