dlls/urlmon/file.c - wine - Git at Google

 /*
  * Copyright 2005 Jacek Caban
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "urlmon_main.h"
 #include "wine/debug.h"

 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);

 typedef struct {
     const IInternetProtocolVtbl  *lpIInternetProtocolVtbl;
     const IInternetPriorityVtbl  *lpInternetPriorityVtbl;

     HANDLE file;
     LONG priority;

     LONG ref;
 } FileProtocol;

 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)

 #define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, IInternetProtocol, iface)

 static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);

     *ppv = NULL;
     if(IsEqualGUID(&IID_IUnknown, riid)) {
         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
         *ppv = PROTOCOL(This);
     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
         *ppv = PROTOCOL(This);
     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
         *ppv = PROTOCOL(This);
     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
         *ppv = PRIORITY(This);
     }

     if(*ppv) {
         IInternetProtocol_AddRef(iface);
         return S_OK;
     }

     WARN("not supported interface %s\n", debugstr_guid(riid));
     return E_NOINTERFACE;
 }

 static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     LONG ref = InterlockedIncrement(&This->ref);
     TRACE("(%p) ref=%d\n", This, ref);
     return ref;
 }

 static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     LONG ref = InterlockedDecrement(&This->ref);

     TRACE("(%p) ref=%d\n", This, ref);

     if(!ref) {
         if(This->file)
             CloseHandle(This->file);
         heap_free(This);

         URLMON_UnlockModule();
     }

     return ref;
 }

 static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
         DWORD grfPI, HANDLE_PTR dwReserved)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     BINDINFO bindinfo;
     DWORD grfBINDF = 0;
     LARGE_INTEGER size;
     DWORD len;
     LPWSTR url, mime = NULL, file_name;
     WCHAR null_char = 0;
     BOOL first_call = FALSE;
     HRESULT hres;

     static const WCHAR wszFile[]  = {'f','i','l','e',':'};

     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
             pOIBindInfo, grfPI, dwReserved);

     if(!szUrl || strlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
             || memcmp(szUrl, wszFile, sizeof(wszFile)))
         return E_INVALIDARG;

     memset(&bindinfo, 0, sizeof(bindinfo));
     bindinfo.cbSize = sizeof(BINDINFO);
     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
     if(FAILED(hres)) {
         WARN("GetBindInfo failed: %08x\n", hres);
         return hres;
     }

     ReleaseBindInfo(&bindinfo);

     len = lstrlenW(szUrl)+16;
     url = heap_alloc(len*sizeof(WCHAR));
     hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
     if(FAILED(hres)) {
         heap_free(url);
         return hres;
     }

     if(!(grfBINDF & BINDF_FROMURLMON))
         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);

     if(!This->file) {
         WCHAR *ptr;

         first_call = TRUE;

         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);

         file_name = url+sizeof(wszFile)/sizeof(WCHAR);
         if(file_name[0] == '/' && file_name[1] == '/')
             file_name += 2;
         if(*file_name == '/')
             file_name++;

         for(ptr = file_name; *ptr; ptr++) {
             if(*ptr == '?' || *ptr == '#') {
                 *ptr = 0;
                 break;
             }
         }

         if(file_name[1] == '|')
             file_name[1] = ':';

         This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
                                  OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

         if(This->file == INVALID_HANDLE_VALUE) {
             This->file = NULL;
             IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
                     GetLastError(), NULL);
             heap_free(url);
             return INET_E_RESOURCE_NOT_FOUND;
         }

         IInternetProtocolSink_ReportProgress(pOIProtSink,
                 BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);

         hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
         if(SUCCEEDED(hres)) {
             IInternetProtocolSink_ReportProgress(pOIProtSink,
                     (grfBINDF & BINDF_FROMURLMON) ?
                     BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
                     mime);
             CoTaskMemFree(mime);
         }
     }

     heap_free(url);

     if(GetFileSizeEx(This->file, &size))
         IInternetProtocolSink_ReportData(pOIProtSink,
                 BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
                 size.u.LowPart, size.u.LowPart);

     if(first_call)
         IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);

     return S_OK;
 }

 static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     FIXME("(%p)->(%p)\n", This, pProtocolData);
     return E_NOTIMPL;
 }

 static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
         DWORD dwOptions)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
     return E_NOTIMPL;
 }

 static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);

     TRACE("(%p)->(%08x)\n", This, dwOptions);

     return S_OK;
 }

 static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     FIXME("(%p)\n", This);
     return E_NOTIMPL;
 }

 static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     FIXME("(%p)\n", This);
     return E_NOTIMPL;
 }

 static HRESULT WINAPI FileProtocol_Read(IInternetProtocol *iface, void *pv,
         ULONG cb, ULONG *pcbRead)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     DWORD read = 0;

     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);

     if (pcbRead)
         *pcbRead = 0;

     if(!This->file)
         return INET_E_DATA_NOT_AVAILABLE;

     if (!ReadFile(This->file, pv, cb, &read, NULL))
         return INET_E_DOWNLOAD_FAILURE;

     if(pcbRead)
         *pcbRead = read;

     return cb == read ? S_OK : S_FALSE;
 }

 static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);
     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
     return E_NOTIMPL;
 }

 static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);

     TRACE("(%p)->(%08x)\n", This, dwOptions);

     return S_OK;
 }

 static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
 {
     FileProtocol *This = PROTOCOL_THIS(iface);

     TRACE("(%p)\n", This);

     return S_OK;
 }

 #undef PROTOCOL_THIS

 static const IInternetProtocolVtbl FileProtocolVtbl = {
     FileProtocol_QueryInterface,
     FileProtocol_AddRef,
     FileProtocol_Release,
     FileProtocol_Start,
     FileProtocol_Continue,
     FileProtocol_Abort,
     FileProtocol_Terminate,
     FileProtocol_Suspend,
     FileProtocol_Resume,
     FileProtocol_Read,
     FileProtocol_Seek,
     FileProtocol_LockRequest,
     FileProtocol_UnlockRequest
 };

 #define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)

 static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
                                                   REFIID riid, void **ppv)
 {
     FileProtocol *This = PRIORITY_THIS(iface);
     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 }

 static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
 {
     FileProtocol *This = PRIORITY_THIS(iface);
     return IInternetProtocol_AddRef(PROTOCOL(This));
 }

 static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
 {
     FileProtocol *This = PRIORITY_THIS(iface);
     return IInternetProtocol_Release(PROTOCOL(This));
 }

 static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 {
     FileProtocol *This = PRIORITY_THIS(iface);

     TRACE("(%p)->(%d)\n", This, nPriority);

     This->priority = nPriority;
     return S_OK;
 }

 static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 {
     FileProtocol *This = PRIORITY_THIS(iface);

     TRACE("(%p)->(%p)\n", This, pnPriority);

     *pnPriority = This->priority;
     return S_OK;
 }

 #undef PRIORITY_THIS

 static const IInternetPriorityVtbl FilePriorityVtbl = {
     FilePriority_QueryInterface,
     FilePriority_AddRef,
     FilePriority_Release,
     FilePriority_SetPriority,
     FilePriority_GetPriority
 };

 HRESULT FileProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 {
     FileProtocol *ret;

     TRACE("(%p %p)\n", pUnkOuter, ppobj);

     URLMON_LockModule();

     ret = heap_alloc(sizeof(FileProtocol));

     ret->lpIInternetProtocolVtbl = &FileProtocolVtbl;
     ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
     ret->file = NULL;
     ret->priority = 0;
     ret->ref = 1;

     *ppobj = PROTOCOL(ret);

     return S_OK;
 }
	/*
	* Copyright 2005 Jacek Caban
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "urlmon_main.h"
	#include "wine/debug.h"

	WINE_DEFAULT_DEBUG_CHANNEL(urlmon);

	typedef struct {
	const IInternetProtocolVtbl *lpIInternetProtocolVtbl;
	const IInternetPriorityVtbl *lpInternetPriorityVtbl;

	HANDLE file;
	LONG priority;

	LONG ref;
	} FileProtocol;

	#define PRIORITY(x) ((IInternetPriority*) &(x)->lpInternetPriorityVtbl)

	#define PROTOCOL_THIS(iface) DEFINE_THIS(FileProtocol, IInternetProtocol, iface)

	static HRESULT WINAPI FileProtocol_QueryInterface(IInternetProtocol iface, REFIID riid, void *ppv)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);

	*ppv = NULL;
	if(IsEqualGUID(&IID_IUnknown, riid)) {
	TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
	*ppv = PROTOCOL(This);
	}else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
	TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
	*ppv = PROTOCOL(This);
	}else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
	TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
	*ppv = PROTOCOL(This);
	}else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
	TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
	*ppv = PRIORITY(This);
	}

	if(*ppv) {
	IInternetProtocol_AddRef(iface);
	return S_OK;
	}

	WARN("not supported interface %s\n", debugstr_guid(riid));
	return E_NOINTERFACE;
	}

	static ULONG WINAPI FileProtocol_AddRef(IInternetProtocol *iface)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	LONG ref = InterlockedIncrement(&This->ref);
	TRACE("(%p) ref=%d\n", This, ref);
	return ref;
	}

	static ULONG WINAPI FileProtocol_Release(IInternetProtocol *iface)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	LONG ref = InterlockedDecrement(&This->ref);

	TRACE("(%p) ref=%d\n", This, ref);

	if(!ref) {
	if(This->file)
	CloseHandle(This->file);
	heap_free(This);

	URLMON_UnlockModule();
	}

	return ref;
	}

	static HRESULT WINAPI FileProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
	IInternetProtocolSink pOIProtSink, IInternetBindInfo pOIBindInfo,
	DWORD grfPI, HANDLE_PTR dwReserved)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	BINDINFO bindinfo;
	DWORD grfBINDF = 0;
	LARGE_INTEGER size;
	DWORD len;
	LPWSTR url, mime = NULL, file_name;
	WCHAR null_char = 0;
	BOOL first_call = FALSE;
	HRESULT hres;

	static const WCHAR wszFile[] = {'f','i','l','e',':'};

	TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
	pOIBindInfo, grfPI, dwReserved);

	if(!szUrl \|\| strlenW(szUrl) < sizeof(wszFile)/sizeof(WCHAR)
	\|\| memcmp(szUrl, wszFile, sizeof(wszFile)))
	return E_INVALIDARG;

	memset(&bindinfo, 0, sizeof(bindinfo));
	bindinfo.cbSize = sizeof(BINDINFO);
	hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &grfBINDF, &bindinfo);
	if(FAILED(hres)) {
	WARN("GetBindInfo failed: %08x\n", hres);
	return hres;
	}

	ReleaseBindInfo(&bindinfo);

	len = lstrlenW(szUrl)+16;
	url = heap_alloc(len*sizeof(WCHAR));
	hres = CoInternetParseUrl(szUrl, PARSE_ENCODE, 0, url, len, &len, 0);
	if(FAILED(hres)) {
	heap_free(url);
	return hres;
	}

	if(!(grfBINDF & BINDF_FROMURLMON))
	IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_DIRECTBIND, NULL);

	if(!This->file) {
	WCHAR *ptr;

	first_call = TRUE;

	IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST, &null_char);

	file_name = url+sizeof(wszFile)/sizeof(WCHAR);
	if(file_name[0] == '/' && file_name[1] == '/')
	file_name += 2;
	if(*file_name == '/')
	file_name++;

	for(ptr = file_name; *ptr; ptr++) {
	if(ptr == '?' \|\| ptr == '#') {
	*ptr = 0;
	break;
	}
	}

	if(file_name[1] == '\|')
	file_name[1] = ':';

	This->file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
	OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

	if(This->file == INVALID_HANDLE_VALUE) {
	This->file = NULL;
	IInternetProtocolSink_ReportResult(pOIProtSink, INET_E_RESOURCE_NOT_FOUND,
	GetLastError(), NULL);
	heap_free(url);
	return INET_E_RESOURCE_NOT_FOUND;
	}

	IInternetProtocolSink_ReportProgress(pOIProtSink,
	BINDSTATUS_CACHEFILENAMEAVAILABLE, file_name);

	hres = FindMimeFromData(NULL, url, NULL, 0, NULL, 0, &mime, 0);
	if(SUCCEEDED(hres)) {
	IInternetProtocolSink_ReportProgress(pOIProtSink,
	(grfBINDF & BINDF_FROMURLMON) ?
	BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE : BINDSTATUS_MIMETYPEAVAILABLE,
	mime);
	CoTaskMemFree(mime);
	}
	}

	heap_free(url);

	if(GetFileSizeEx(This->file, &size))
	IInternetProtocolSink_ReportData(pOIProtSink,
	BSCF_FIRSTDATANOTIFICATION\|BSCF_LASTDATANOTIFICATION,
	size.u.LowPart, size.u.LowPart);

	if(first_call)
	IInternetProtocolSink_ReportResult(pOIProtSink, S_OK, 0, NULL);

	return S_OK;
	}

	static HRESULT WINAPI FileProtocol_Continue(IInternetProtocol iface, PROTOCOLDATA pProtocolData)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	FIXME("(%p)->(%p)\n", This, pProtocolData);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI FileProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
	DWORD dwOptions)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI FileProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);

	TRACE("(%p)->(%08x)\n", This, dwOptions);

	return S_OK;
	}

	static HRESULT WINAPI FileProtocol_Suspend(IInternetProtocol *iface)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	FIXME("(%p)\n", This);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI FileProtocol_Resume(IInternetProtocol *iface)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	FIXME("(%p)\n", This);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI FileProtocol_Read(IInternetProtocol iface, void pv,
	ULONG cb, ULONG *pcbRead)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	DWORD read = 0;

	TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);

	if (pcbRead)
	*pcbRead = 0;

	if(!This->file)
	return INET_E_DATA_NOT_AVAILABLE;

	if (!ReadFile(This->file, pv, cb, &read, NULL))
	return INET_E_DOWNLOAD_FAILURE;

	if(pcbRead)
	*pcbRead = read;

	return cb == read ? S_OK : S_FALSE;
	}

	static HRESULT WINAPI FileProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
	DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);
	FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI FileProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);

	TRACE("(%p)->(%08x)\n", This, dwOptions);

	return S_OK;
	}

	static HRESULT WINAPI FileProtocol_UnlockRequest(IInternetProtocol *iface)
	{
	FileProtocol *This = PROTOCOL_THIS(iface);

	TRACE("(%p)\n", This);

	return S_OK;
	}

	#undef PROTOCOL_THIS

	static const IInternetProtocolVtbl FileProtocolVtbl = {
	FileProtocol_QueryInterface,
	FileProtocol_AddRef,
	FileProtocol_Release,
	FileProtocol_Start,
	FileProtocol_Continue,
	FileProtocol_Abort,
	FileProtocol_Terminate,
	FileProtocol_Suspend,
	FileProtocol_Resume,
	FileProtocol_Read,
	FileProtocol_Seek,
	FileProtocol_LockRequest,
	FileProtocol_UnlockRequest
	};

	#define PRIORITY_THIS(iface) DEFINE_THIS(FileProtocol, InternetPriority, iface)

	static HRESULT WINAPI FilePriority_QueryInterface(IInternetPriority *iface,
	REFIID riid, void **ppv)
	{
	FileProtocol *This = PRIORITY_THIS(iface);
	return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
	}

	static ULONG WINAPI FilePriority_AddRef(IInternetPriority *iface)
	{
	FileProtocol *This = PRIORITY_THIS(iface);
	return IInternetProtocol_AddRef(PROTOCOL(This));
	}

	static ULONG WINAPI FilePriority_Release(IInternetPriority *iface)
	{
	FileProtocol *This = PRIORITY_THIS(iface);
	return IInternetProtocol_Release(PROTOCOL(This));
	}

	static HRESULT WINAPI FilePriority_SetPriority(IInternetPriority *iface, LONG nPriority)
	{
	FileProtocol *This = PRIORITY_THIS(iface);

	TRACE("(%p)->(%d)\n", This, nPriority);

	This->priority = nPriority;
	return S_OK;
	}

	static HRESULT WINAPI FilePriority_GetPriority(IInternetPriority iface, LONG pnPriority)
	{
	FileProtocol *This = PRIORITY_THIS(iface);

	TRACE("(%p)->(%p)\n", This, pnPriority);

	*pnPriority = This->priority;
	return S_OK;
	}

	#undef PRIORITY_THIS

	static const IInternetPriorityVtbl FilePriorityVtbl = {
	FilePriority_QueryInterface,
	FilePriority_AddRef,
	FilePriority_Release,
	FilePriority_SetPriority,
	FilePriority_GetPriority
	};

	HRESULT FileProtocol_Construct(IUnknown pUnkOuter, LPVOID ppobj)
	{
	FileProtocol *ret;

	TRACE("(%p %p)\n", pUnkOuter, ppobj);

	URLMON_LockModule();

	ret = heap_alloc(sizeof(FileProtocol));

	ret->lpIInternetProtocolVtbl = &FileProtocolVtbl;
	ret->lpInternetPriorityVtbl = &FilePriorityVtbl;
	ret->file = NULL;
	ret->priority = 0;
	ret->ref = 1;

	*ppobj = PROTOCOL(ret);

	return S_OK;
	}