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/* $Id$ */
/** @file
* MS COM / XPCOM Abstraction Layer
*/
/*
* Copyright (C) 2005-2017 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_MAIN
#if !defined(VBOX_WITH_XPCOM)
# include <iprt/win/objbase.h>
#else /* !defined (VBOX_WITH_XPCOM) */
# include <stdlib.h>
# include <nsCOMPtr.h>
# include <nsIServiceManagerUtils.h>
# include <nsIComponentManager.h>
# include <ipcIService.h>
# include <ipcCID.h>
# include <ipcIDConnectService.h>
# include <nsIInterfaceInfo.h>
# include <nsIInterfaceInfoManager.h>
# define IPC_DCONNECTSERVICE_CONTRACTID "@mozilla.org/ipc/dconnect-service;1" // official XPCOM headers don't define it yet
#endif /* !defined (VBOX_WITH_XPCOM) */
#include "VBox/com/com.h"
#include "VBox/com/assert.h"
#include "VBox/com/Guid.h"
#include "VBox/com/array.h"
#include <iprt/string.h>
#include <VBox/err.h>
#include <VBox/log.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
namespace com
{
/* static */
const Guid Guid::Empty; /* default ctor is OK */
#if defined (VBOX_WITH_XPCOM)
/* static */
const nsID *SafeGUIDArray::nsIDRef::Empty = (const nsID *)Guid::Empty.raw();
#endif /* (VBOX_WITH_XPCOM) */
void GetInterfaceNameByIID(const GUID &aIID, BSTR *aName)
{
AssertPtrReturnVoid(aName);
*aName = NULL;
#if !defined(VBOX_WITH_XPCOM)
LONG rc;
LPOLESTR iidStr = NULL;
if (StringFromIID(aIID, &iidStr) == S_OK)
{
HKEY ifaceKey;
rc = RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Interface",
0, KEY_QUERY_VALUE, &ifaceKey);
if (rc == ERROR_SUCCESS)
{
HKEY iidKey;
rc = RegOpenKeyExW(ifaceKey, iidStr, 0, KEY_QUERY_VALUE, &iidKey);
if (rc == ERROR_SUCCESS)
{
/* determine the size and type */
DWORD sz, type;
rc = RegQueryValueExW(iidKey, NULL, NULL, &type, NULL, &sz);
if (rc == ERROR_SUCCESS && type == REG_SZ)
{
/* query the value to BSTR */
*aName = SysAllocStringLen(NULL, (sz + 1) / sizeof(TCHAR) + 1);
rc = RegQueryValueExW(iidKey, NULL, NULL, NULL, (LPBYTE) *aName, &sz);
if (rc != ERROR_SUCCESS)
{
SysFreeString(*aName);
*aName = NULL;
}
}
RegCloseKey(iidKey);
}
RegCloseKey(ifaceKey);
}
CoTaskMemFree(iidStr);
}
#else /* !defined (VBOX_WITH_XPCOM) */
nsresult rv;
nsCOMPtr<nsIInterfaceInfoManager> iim =
do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv))
{
nsCOMPtr<nsIInterfaceInfo> iinfo;
rv = iim->GetInfoForIID(&aIID, getter_AddRefs(iinfo));
if (NS_SUCCEEDED(rv))
{
const char *iname = NULL;
iinfo->GetNameShared(&iname);
char *utf8IName = NULL;
if (RT_SUCCESS(RTStrCurrentCPToUtf8(&utf8IName, iname)))
{
PRTUTF16 utf16IName = NULL;
if (RT_SUCCESS(RTStrToUtf16(utf8IName, &utf16IName)))
{
*aName = SysAllocString((OLECHAR *) utf16IName);
RTUtf16Free(utf16IName);
}
RTStrFree(utf8IName);
}
}
}
#endif /* !defined (VBOX_WITH_XPCOM) */
}
#ifdef VBOX_WITH_XPCOM
HRESULT GlueCreateObjectOnServer(const CLSID &clsid,
const char *serverName,
const nsIID &id,
void** ppobj)
{
HRESULT rc;
nsCOMPtr<ipcIService> ipcServ = do_GetService(IPC_SERVICE_CONTRACTID, &rc);
if (SUCCEEDED(rc))
{
PRUint32 serverID = 0;
rc = ipcServ->ResolveClientName(serverName, &serverID);
if (SUCCEEDED (rc))
{
nsCOMPtr<ipcIDConnectService> dconServ = do_GetService(IPC_DCONNECTSERVICE_CONTRACTID, &rc);
if (SUCCEEDED(rc))
rc = dconServ->CreateInstance(serverID,
clsid,
id,
ppobj);
}
}
return rc;
}
HRESULT GlueCreateInstance(const CLSID &clsid,
const nsIID &id,
void** ppobj)
{
nsCOMPtr<nsIComponentManager> manager;
HRESULT rc = NS_GetComponentManager(getter_AddRefs(manager));
if (SUCCEEDED(rc))
rc = manager->CreateInstance(clsid,
nsnull,
id,
ppobj);
return rc;
}
#endif // VBOX_WITH_XPCOM
} /* namespace com */
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