main.cpp 12.9 KB
Newer Older
1 2 3
/*****************************************************************************
 * main.cpp: ActiveX control for VLC
 *****************************************************************************
4
 * Copyright (C) 2005 the VideoLAN team
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
 *
 * 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
Antoine Cellerier's avatar
Antoine Cellerier committed
20
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
 *****************************************************************************/

#include "plugin.h"

#include <comcat.h>
#include <windows.h>
#include <shlwapi.h>

using namespace std;

#define COMPANY_STR "VideoLAN"
#define PROGRAM_STR "VLCPlugin"
#define VERSION_MAJOR_STR "1"
#define VERSION_MINOR_STR "0"
#define DESCRIPTION "VideoLAN VLC ActiveX Plugin"

37 38 39
#define THREADING_MODEL "Apartment"
#define MISC_STATUS     "131473"

40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
#define PROGID_STR COMPANY_STR"."PROGRAM_STR
#define VERS_PROGID_STR COMPANY_STR"."PROGRAM_STR"."VERSION_MAJOR_STR
#define VERSION_STR VERSION_MAJOR_STR"."VERSION_MINOR_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;

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
    HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;

    *ppv = NULL;

    if( CLSID_VLCPlugin == rclsid )
    {
        VLCPluginClass *plugin = new VLCPluginClass(&i_class_ref, h_instance);
        hr = plugin->QueryInterface(riid, ppv);
        plugin->Release();
    }
    return hr;
};

STDAPI DllCanUnloadNow(VOID)
{
    return (0 == i_class_ref) ? S_OK: S_FALSE;
};

75 76
static LPCTSTR TStrFromGUID(REFGUID clsid)
{
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
    LPOLESTR oleStr;

    if( FAILED(StringFromIID(clsid, &oleStr)) )
        return NULL;

    //check whether TCHAR and OLECHAR are both either ANSI or UNICODE
    if( sizeof(TCHAR) == sizeof(OLECHAR) )
        return (LPCTSTR)oleStr;

    LPTSTR pct_CLSID = NULL;
#ifndef OLE2ANSI
    size_t len = WideCharToMultiByte(CP_ACP, 0, oleStr, -1, NULL, 0, NULL, NULL);
    if( len > 0 )
    {
        pct_CLSID = (char *)CoTaskMemAlloc(len);
        WideCharToMultiByte(CP_ACP, 0, oleStr, -1, pct_CLSID, len, NULL, NULL);
    }
#else
    size_t len = MutiByteToWideChar(CP_ACP, 0, oleStr, -1, NULL, 0);
    if( len > 0 )
    {
        clsidStr = (wchar_t *)CoTaskMemAlloc(len*sizeof(wchar_t));
99
        MultiByteToWideChar(CP_ACP, 0, oleStr, -1, pct_CLSID, len);
100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
    }
#endif
    CoTaskMemFree(oleStr);
    return pct_CLSID;
};

static HKEY keyCreate(HKEY parentKey, LPCTSTR keyName)
{
    HKEY childKey;
    if( ERROR_SUCCESS == RegCreateKeyEx(parentKey, keyName, 0, NULL,
                REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &childKey, NULL) )
    {
        return childKey;
    }
    return NULL;
};

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->Release();
    }

    SHDeleteKey(HKEY_CLASSES_ROOT, TEXT(VERS_PROGID_STR));
    SHDeleteKey(HKEY_CLASSES_ROOT, TEXT(PROGID_STR));

    LPCTSTR psz_CLSID = TStrFromGUID(CLSID_VLCPlugin);

    if( NULL == psz_CLSID )
        return E_OUTOFMEMORY;

    HKEY hClsIDKey;
    if( ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, TEXT("CLSID"), 0, KEY_WRITE, &hClsIDKey) )
    {
        SHDeleteKey(hClsIDKey, psz_CLSID);
        RegCloseKey(hClsIDKey);
    }
    CoTaskMemFree((void *)psz_CLSID);

    return S_OK;
};

STDAPI DllRegisterServer(VOID)
{
    DllUnregisterServer();

    char DllPath[MAX_PATH];
    DWORD DllPathLen= GetModuleFileName(h_instance, DllPath, sizeof(DllPath)) ;
	if( 0 == DllPathLen )
164
        return E_UNEXPECTED;
165 166 167 168 169 170 171 172 173

    LPCTSTR psz_CLSID = TStrFromGUID(CLSID_VLCPlugin);

    if( NULL == psz_CLSID )
        return E_OUTOFMEMORY;

    HKEY hBaseKey;

    if( ERROR_SUCCESS != RegOpenKeyEx(HKEY_CLASSES_ROOT, TEXT("CLSID"), 0, KEY_CREATE_SUB_KEY, &hBaseKey) )
174
        return SELFREG_E_CLASS;
175 176 177 178 179 180 181 182 183 184 185 186 187 188

    HKEY hClassKey = keyCreate(hBaseKey, psz_CLSID);
    if( NULL != hClassKey )
    {
        HKEY hSubKey;

        // default key value
        RegSetValueEx(hClassKey, NULL, 0, REG_SZ,
                (const BYTE*)DESCRIPTION, sizeof(DESCRIPTION));

        // Control key value
        hSubKey = keyCreate(hClassKey, TEXT("Control"));
        RegCloseKey(hSubKey);

Damien Fouilleul's avatar
 
Damien Fouilleul committed
189 190 191 192
        // Insertable key value
        //hSubKey = keyCreate(hClassKey, TEXT("Insertable"));
        //RegCloseKey(hSubKey);

193 194 195 196 197 198 199 200
        // ToolboxBitmap32 key value
        hSubKey = keyCreate(hClassKey, TEXT("ToolboxBitmap32"));
        strcpy(DllPath+DllPathLen, ",1");
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                (const BYTE*)DllPath, DllPathLen+2);
        DllPath[DllPathLen] = '\0';
        RegCloseKey(hSubKey);

201 202 203 204 205 206 207
#ifdef BUILD_LOCALSERVER
        // LocalServer32 key value
        hSubKey = keyCreate(hClassKey, TEXT("LocalServer32"));
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                (const BYTE*)DllPath, DllPathLen);
        RegCloseKey(hSubKey);
#else
208 209 210 211 212 213 214
        // InprocServer32 key value
        hSubKey = keyCreate(hClassKey, TEXT("InprocServer32"));
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                (const BYTE*)DllPath, DllPathLen);
        RegSetValueEx(hSubKey, TEXT("ThreadingModel"), 0, REG_SZ,
                (const BYTE*)THREADING_MODEL, sizeof(THREADING_MODEL));
        RegCloseKey(hSubKey);
215
#endif
216 217 218

        // MiscStatus key value
        hSubKey = keyCreate(hClassKey, TEXT("MiscStatus\\1"));
219
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ, (const BYTE*)MISC_STATUS, sizeof(MISC_STATUS));
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300
        RegCloseKey(hSubKey);

        // Programmable key value
        hSubKey = keyCreate(hClassKey, TEXT("Programmable"));
        RegCloseKey(hSubKey);

        // ProgID key value
        hSubKey = keyCreate(hClassKey, TEXT("ProgID"));
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ, 
                (const BYTE*)VERS_PROGID_STR, sizeof(VERS_PROGID_STR));
        RegCloseKey(hSubKey);

        // VersionIndependentProgID key value
        hSubKey = keyCreate(hClassKey, TEXT("VersionIndependentProgID"));
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ, 
                (const BYTE*)PROGID_STR, sizeof(PROGID_STR));
        RegCloseKey(hSubKey);

        // Version key value
        hSubKey = keyCreate(hClassKey, TEXT("Version"));
        RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                (const BYTE*)VERSION_STR, sizeof(VERSION_STR));
        RegCloseKey(hSubKey);

        // TypeLib key value
        LPCTSTR psz_LIBID = TStrFromGUID(LIBID_AXVLC);
        if( NULL != psz_LIBID )
        {
            hSubKey = keyCreate(hClassKey, TEXT("TypeLib"));
            RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                    (const BYTE*)psz_LIBID, sizeof(TCHAR)*GUID_STRLEN);
            RegCloseKey(hSubKey);
        }
        RegCloseKey(hClassKey);
    }
    RegCloseKey(hBaseKey);

    hBaseKey = keyCreate(HKEY_CLASSES_ROOT, TEXT(PROGID_STR));
    if( NULL != hBaseKey )
    {
        // default key value
        RegSetValueEx(hBaseKey, NULL, 0, REG_SZ,
                (const BYTE*)DESCRIPTION, sizeof(DESCRIPTION));

        HKEY hSubKey = keyCreate(hBaseKey, TEXT("CLSID"));
        if( NULL != hSubKey )
        {
            // default key value
            RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                    (const BYTE*)psz_CLSID, sizeof(TCHAR)*GUID_STRLEN);

            RegCloseKey(hSubKey);
        }
        hSubKey = keyCreate(hBaseKey, TEXT("CurVer"));
        if( NULL != hSubKey )
        {
            // default key value
            RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                    (const BYTE*)VERS_PROGID_STR, sizeof(VERS_PROGID_STR));

            RegCloseKey(hSubKey);
        }
        RegCloseKey(hBaseKey);
    }

    hBaseKey = keyCreate(HKEY_CLASSES_ROOT, TEXT(VERS_PROGID_STR));
    if( NULL != hBaseKey )
    {
        // default key value
        RegSetValueEx(hBaseKey, NULL, 0, REG_SZ,
                (const BYTE*)DESCRIPTION, sizeof(DESCRIPTION));

        HKEY hSubKey = keyCreate(hBaseKey, TEXT("CLSID"));
        if( NULL != hSubKey )
        {
            // default key value
            RegSetValueEx(hSubKey, NULL, 0, REG_SZ,
                    (const BYTE*)psz_CLSID, sizeof(TCHAR)*GUID_STRLEN);

            RegCloseKey(hSubKey);
        }
Damien Fouilleul's avatar
 
Damien Fouilleul committed
301 302 303
        //hSubKey = keyCreate(hBaseKey, TEXT("Insertable"));
        //RegCloseKey(hSubKey);
 
304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
        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->Release();
    }

    // register type lib into the registry
    ITypeLib *typeLib;
325 326 327 328 329 330

#ifdef BUILD_LOCALSERVER
    // replace .exe by .tlb
    strcpy(DllPath+DllPathLen-4, ".tlb");
#endif
    
331
#ifndef OLE2ANSI
332
    size_t typeLibPathLen = MultiByteToWideChar(CP_ACP, 0, DllPath, -1, NULL, 0);
333 334 335 336
    if( typeLibPathLen > 0 )
    {
        LPOLESTR typeLibPath = (LPOLESTR)CoTaskMemAlloc(typeLibPathLen*sizeof(wchar_t));
        MultiByteToWideChar(CP_ACP, 0, DllPath, DllPathLen, typeLibPath, typeLibPathLen);
337
        if( FAILED(LoadTypeLibEx(typeLibPath, REGKIND_REGISTER, &typeLib)) )
338
#ifndef BUILD_LOCALSERVER
339 340
            return SELFREG_E_TYPELIB;
        typeLib->Release();
341
#endif
342 343 344
        CoTaskMemFree((void *)typeLibPath);
    }
#else
345 346 347
    if( FAILED(LoadTypeLibEx((LPOLESTR)DllPath, REGKIND_REGISTER, &typeLib)) )
        return SELFREG_E_TYPELIB;
    typeLib->Release();
348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371
#endif

    CoTaskMemFree((void *)psz_CLSID);

    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;
    }

372 373 374 375 376 377 378 379
    h_instance = hInst;

    if( FAILED(DllRegisterServer()) )
    {
        cerr << "cannot register Local Server" << endl;
        return 1;
    }

380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447
    IUnknown *classProc = NULL;

    if( FAILED(DllGetClassObject(CLSID_VLCPlugin, IID_IUnknown, (LPVOID *)&classProc)) )
        return 0;
 
    DWORD dwRegisterClassObject;

    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;

    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;  // Leave the PeekMessage while() loop

            /*if(TranslateAccelerator(ghwndApp, ghAccel, &msg))
                continue;*/

            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        if(msg.message == WM_QUIT)
            break;  // Leave the for() loop

        WaitMessage();
    }

    if( SUCCEEDED(RevokeActiveObject(dwRegisterActiveObject, NULL)) )
        CoRevokeClassObject(dwRegisterClassObject);

    // Reached on WM_QUIT message
    CoUninitialize();
    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