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/*****************************************************************************
* main.cpp: ActiveX control for VLC
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
*
* Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "plugin.h"
#include "utils.h"
#include <stdio.h>
#include <comcat.h>
#include <windows.h>
#include <shlwapi.h>
using namespace std;
#define COMPANY_STR "VideoLAN"
#define PROGRAM_STR "VLCPlugin"
#define DESCRIPTION "VideoLAN VLC ActiveX Plugin"
#define THREADING_MODEL "Apartment"
#define MISC_STATUS "131473"
#define PROGID_STR COMPANY_STR"."PROGRAM_STR
#define GUID_STRLEN 39
/*
** MingW headers do not declare those
*/
extern const CATID CATID_SafeForInitializing;
extern const CATID CATID_SafeForScripting;
static LONG i_class_ref= 0;
static HINSTANCE h_instance= 0;
HMODULE DllGetModule()
{
return h_instance;
};
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
*ppv = NULL;
if( (CLSID_VLCPlugin == rclsid )
|| ( CLSID_VLCPlugin2 == rclsid) )
{
VLCPluginClass *plugin = new VLCPluginClass(&i_class_ref, h_instance, rclsid);
hr = plugin->QueryInterface(riid, ppv);
plugin->Release();
}
return hr;
};
STDAPI DllCanUnloadNow(VOID)
{
return (0 == i_class_ref) ? S_OK: S_FALSE;
};
static inline HKEY keyCreate(HKEY parentKey, LPCSTR keyName)
{
HKEY childKey;
if( ERROR_SUCCESS == RegCreateKeyExA(parentKey, keyName, 0, NULL,
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &childKey, NULL) )
{
return childKey;
}
return NULL;
};
static inline HKEY keySet(HKEY hKey, LPCSTR valueName, const void *s, size_t len)
{
if( NULL != hKey )
{
RegSetValueExA(hKey, valueName, 0, REG_SZ,
(const BYTE*)s, len);
}
return hKey;
};
static inline HKEY keySetDef(HKEY hKey, const void *s, size_t len)
{
return keySet(hKey, NULL, s, len);
};
static inline HKEY keySetDef(HKEY hKey, LPCSTR s)
{
return keySetDef(hKey, s, strlen(s)+1);
};
static inline HKEY keyClose(HKEY hKey)
{
if( NULL != hKey )
{
RegCloseKey(hKey);
}
return NULL;
};
static HRESULT UnregisterProgID(REFCLSID rclsid, unsigned int version)
{
LPCSTR psz_CLSID = CStrFromGUID(rclsid);
if( NULL == psz_CLSID )
return E_OUTOFMEMORY;
char progId[sizeof(PROGID_STR)+16];
sprintf(progId, "%s.%u", PROGID_STR, version);
SHDeleteKeyA(HKEY_CLASSES_ROOT, progId);
HKEY hClsIDKey;
if( ERROR_SUCCESS == RegOpenKeyExA(HKEY_CLASSES_ROOT, "CLSID", 0, KEY_WRITE, &hClsIDKey) )
{
SHDeleteKey(hClsIDKey, psz_CLSID);
RegCloseKey(hClsIDKey);
}
CoTaskMemFree((void *)psz_CLSID);
};
STDAPI DllUnregisterServer(VOID)
{
// unregister type lib from the registry
UnRegisterTypeLib(LIBID_AXVLC, 1, 0, LOCALE_NEUTRAL, SYS_WIN32);
// remove component categories we supports
ICatRegister *pcr;
if( SUCCEEDED(CoCreateInstance(CLSID_StdComponentCategoriesMgr,
NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr)) ) {
CATID implCategories[] = {
CATID_Control,
CATID_PersistsToPropertyBag,
CATID_SafeForInitializing,
CATID_SafeForScripting,
};
pcr->UnRegisterClassImplCategories(CLSID_VLCPlugin,
sizeof(implCategories)/sizeof(CATID), implCategories);
pcr->UnRegisterClassImplCategories(CLSID_VLCPlugin2,
sizeof(implCategories)/sizeof(CATID), implCategories);
pcr->Release();
}
SHDeleteKey(HKEY_CLASSES_ROOT, TEXT(PROGID_STR));
UnregisterProgID(CLSID_VLCPlugin, 2);
UnregisterProgID(CLSID_VLCPlugin2, 1);
return S_OK;
};
static HRESULT RegisterClassID(HKEY hParent, REFCLSID rclsid, unsigned int version, BOOL isDefault, const char *path, size_t pathLen)
{
char progId[sizeof(PROGID_STR)+16];
sprintf(progId, "%s.%u", PROGID_STR, version);
char description[sizeof(DESCRIPTION)+16];
sprintf(description, "%s v%u", DESCRIPTION, version);
HKEY hClassKey;
{
LPCSTR psz_CLSID = CStrFromGUID(rclsid);
if( NULL == psz_CLSID )
return E_OUTOFMEMORY;
HKEY hProgKey = keyCreate(HKEY_CLASSES_ROOT, progId);
if( NULL != hProgKey )
{
// default key value
keySetDef(hProgKey, description);
keyClose(keySetDef(keyCreate(hProgKey, "CLSID"),
psz_CLSID,
GUID_STRLEN));
//hSubKey = keyClose(keyCreate(hBaseKey, "Insertable"));
RegCloseKey(hProgKey);
}
if( isDefault )
{
hProgKey = keyCreate(HKEY_CLASSES_ROOT, PROGID_STR);
if( NULL != hProgKey )
{
// default key value
keySetDef(hProgKey, description);
keyClose(keySetDef(keyCreate(hProgKey, "CLSID"),
psz_CLSID,
GUID_STRLEN));
keyClose(keySetDef(keyCreate(hProgKey, "CurVer"),
progId));
}
}
hClassKey = keyCreate(hParent, psz_CLSID);
CoTaskMemFree((void *)psz_CLSID);
}
if( NULL != hClassKey )
{
// default key value
keySetDef(hClassKey, description);
// Control key value
keyClose(keyCreate(hClassKey, "Control"));
// Insertable key value
//keyClose(keyCreate(hClassKey, "Insertable"));
// ToolboxBitmap32 key value
{
char iconPath[pathLen+3];
memcpy(iconPath, path, pathLen);
strcpy(iconPath+pathLen, ",1");
keyClose(keySetDef(keyCreate(hClassKey,
"ToolboxBitmap32"),
iconPath, sizeof(iconPath)));
}
#ifdef BUILD_LOCALSERVER
// LocalServer32 key value
keyClose(keySetDef(keyCreate(hClassKey,
"LocalServer32", path, pathLen+1)));
#else
// InprocServer32 key value
{
HKEY hSubKey = keySetDef(keyCreate(hClassKey,
"InprocServer32"),
path, pathLen+1);
keySet(hSubKey,
"ThreadingModel",
THREADING_MODEL, sizeof(THREADING_MODEL));
keyClose(hSubKey);
}
#endif
// MiscStatus key value
keyClose(keySetDef(keyCreate(hClassKey,
"MiscStatus\\1"),
MISC_STATUS, sizeof(MISC_STATUS)));
// Programmable key value
keyClose(keyCreate(hClassKey, "Programmable"));
// ProgID key value
keyClose(keySetDef(keyCreate(hClassKey,
TEXT("ProgID")),
progId));
// VersionIndependentProgID key value
keyClose(keySetDef(keyCreate(hClassKey,
"VersionIndependentProgID"),
PROGID_STR, sizeof(PROGID_STR)));
// Version key value
keyClose(keySetDef(keyCreate(hClassKey,
"Version"),
"1.0"));
// TypeLib key value
LPCSTR psz_LIBID = CStrFromGUID(LIBID_AXVLC);
if( NULL != psz_LIBID )
{
keyClose(keySetDef(keyCreate(hClassKey,
"TypeLib"),
psz_LIBID, GUID_STRLEN));
CoTaskMemFree((void *)psz_LIBID);
}
RegCloseKey(hClassKey);
}
return S_OK;
}
STDAPI DllRegisterServer(VOID)
{
DllUnregisterServer();
char DllPath[MAX_PATH];
DWORD DllPathLen=GetModuleFileNameA(h_instance, DllPath, sizeof(DllPath)) ;
if( 0 == DllPathLen )
return E_UNEXPECTED;
HKEY hBaseKey;
if( ERROR_SUCCESS != RegOpenKeyExA(HKEY_CLASSES_ROOT, "CLSID", 0, KEY_CREATE_SUB_KEY, &hBaseKey) )
return SELFREG_E_CLASS;
RegisterClassID(hBaseKey, CLSID_VLCPlugin, 1, FALSE, DllPath, DllPathLen);
RegisterClassID(hBaseKey, CLSID_VLCPlugin2, 2, TRUE, DllPath, DllPathLen);
RegCloseKey(hBaseKey);
// indicate which component categories we support
ICatRegister *pcr;
if( SUCCEEDED(CoCreateInstance(CLSID_StdComponentCategoriesMgr,
NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr)) ) {
CATID implCategories[] = {
CATID_Control,
CATID_PersistsToPropertyBag,
CATID_SafeForInitializing,
CATID_SafeForScripting,
};
pcr->RegisterClassImplCategories(CLSID_VLCPlugin,
sizeof(implCategories)/sizeof(CATID), implCategories);
pcr->RegisterClassImplCategories(CLSID_VLCPlugin2,
sizeof(implCategories)/sizeof(CATID), implCategories);
pcr->Release();
}
// register type lib into the registry
ITypeLib *typeLib;
#ifdef BUILD_LOCALSERVER
// replace .exe by .tlb
strcpy(DllPath+DllPathLen-4, ".tlb");
#endif
#ifndef OLE2ANSI
size_t typeLibPathLen = MultiByteToWideChar(CP_ACP, 0, DllPath, -1, NULL, 0);
if( typeLibPathLen > 0 )
{
LPOLESTR typeLibPath = (LPOLESTR)CoTaskMemAlloc(typeLibPathLen*sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, DllPath, DllPathLen, typeLibPath, typeLibPathLen);
if( FAILED(LoadTypeLibEx(typeLibPath, REGKIND_REGISTER, &typeLib)) )
#ifndef BUILD_LOCALSERVER
return SELFREG_E_TYPELIB;
typeLib->Release();
#endif
CoTaskMemFree((void *)typeLibPath);
}
#else
if( FAILED(LoadTypeLibEx((LPOLESTR)DllPath, REGKIND_REGISTER, &typeLib)) )
return SELFREG_E_TYPELIB;
typeLib->Release();
#endif
return S_OK;
};
#ifdef BUILD_LOCALSERVER
/*
** easier to debug an application than a DLL on cygwin GDB :)
*/
#include <iostream>
STDAPI_(int) WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
{
MSG msg;
if( FAILED(OleInitialize(NULL)) )
{
cerr << "cannot initialize OLE" << endl;
return 1;
}
h_instance = hInst;
if( FAILED(DllRegisterServer()) )
{
cerr << "cannot register Local Server" << endl;
return 1;
}
IUnknown *classProc = NULL;
if( FAILED(DllGetClassObject(CLSID_VLCPlugin, IID_IUnknown, (LPVOID *)&classProc)) )
return 0;
DWORD dwRegisterClassObject;
DWORD dwRegisterClassObject2;
if( FAILED(CoRegisterClassObject(CLSID_VLCPlugin, classProc,
CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &dwRegisterClassObject)) )
return 0;
DWORD dwRegisterActiveObject;
if( FAILED(RegisterActiveObject(classProc, CLSID_VLCPlugin,
ACTIVEOBJECT_WEAK, &dwRegisterActiveObject)) )
return 0;
if( FAILED(RegisterActiveObject(classProc, CLSID_VLCPlugin2,
ACTIVEOBJECT_WEAK, &dwRegisterActiveObject2)) )
return 0;
classProc->Release();
/*
* Polling messages from event queue
*/
while( S_FALSE == DllCanUnloadNow() )
{
while( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
{
if( msg.message == WM_QUIT )
break; // break out PeekMessage loop
/*if(TranslateAccelerator(ghwndApp, ghAccel, &msg))
continue;*/
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if(msg.message == WM_QUIT)
break; // break out main loop
WaitMessage();
}
if( SUCCEEDED(RevokeActiveObject(dwRegisterActiveObject, NULL)) )
CoRevokeClassObject(dwRegisterClassObject);
if( SUCCEEDED(RevokeActiveObject(dwRegisterActiveObject2, NULL)) )
CoRevokeClassObject(dwRegisterClassObject2);
// Reached on WM_QUIT message
OleUninitialize();
return ((int) msg.wParam);
};
#else
STDAPI_(BOOL) DllMain(HANDLE hModule, DWORD fdwReason, LPVOID lpReserved )
{
switch( fdwReason )
{
case DLL_PROCESS_ATTACH:
h_instance = (HINSTANCE)hModule;
break;
default:
break;
}
return TRUE;
};
#endif