activex/plugin.cpp

   1 /*****************************************************************************
   2  * plugin.cpp: ActiveX control for VLC
   3  *****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  *
   6  * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #include "plugin.h"
  24
  25 #include "oleobject.h"
  26 #include "olecontrol.h"
  27 #include "oleinplaceobject.h"
  28 #include "oleinplaceactiveobject.h"
  29 #include "persistpropbag.h"
  30 #include "persiststreaminit.h"
  31 #include "persiststorage.h"
  32 #include "provideclassinfo.h"
  33 #include "connectioncontainer.h"
  34 #include "objectsafety.h"
  35 #include "vlccontrol.h"
  36 #include "vlccontrol2.h"
  37 #include "viewobject.h"
  38 #include "dataobject.h"
  39 #include "supporterrorinfo.h"
  40
  41 #include "utils.h"
  42
  43 #include <string.h>
  44 #include <winreg.h>
  45 #include <winuser.h>
  46 #include <servprov.h>
  47 #include <shlwapi.h>
  48 #include <wininet.h>
  49
  50 using namespace std;
  51
  52 ////////////////////////////////////////////////////////////////////////
  53 //class factory
  54
  55 static LRESULT CALLBACK VLCInPlaceClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
  56     VLCPlugin *p_instance = reinterpret_cast<VLCPlugin *>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
  57
  58     switch( uMsg )
  59     {
  60         case WM_ERASEBKGND:
  61             return 1L;
  62
  63         case WM_PAINT:
  64             PAINTSTRUCT ps;
  65             RECT pr;
  66             if( GetUpdateRect(hWnd, &pr, FALSE) )
  67             {
  68                 RECT bounds;
  69                 GetClientRect(hWnd, &bounds);
  70                 BeginPaint(hWnd, &ps);
  71                 p_instance->onPaint(ps.hdc, bounds, pr);
  72                 EndPaint(hWnd, &ps);
  73             }
  74             return 0L;
  75
  76         default:
  77             return DefWindowProc(hWnd, uMsg, wParam, lParam);
  78     }
  79 };
  80
  81 VLCPluginClass::VLCPluginClass(LONG *p_class_ref, HINSTANCE hInstance, REFCLSID rclsid) :
  82     _p_class_ref(p_class_ref),
  83     _hinstance(hInstance),
  84     _classid(rclsid),
  85     _inplace_picture(NULL)
  86 {
  87     WNDCLASS wClass;
  88
  89     if( ! GetClassInfo(hInstance, getInPlaceWndClassName(), &wClass) )
  90     {
  91         wClass.style          = CS_NOCLOSE|CS_DBLCLKS;
  92         wClass.lpfnWndProc    = VLCInPlaceClassWndProc;
  93         wClass.cbClsExtra     = 0;
  94         wClass.cbWndExtra     = 0;
  95         wClass.hInstance      = hInstance;
  96         wClass.hIcon          = NULL;
  97         wClass.hCursor        = LoadCursor(NULL, IDC_ARROW);
  98         wClass.hbrBackground  = NULL;
  99         wClass.lpszMenuName   = NULL;
 100         wClass.lpszClassName  = getInPlaceWndClassName();
 101
 102         _inplace_wndclass_atom = RegisterClass(&wClass);
 103     }
 104     else
 105     {
 106         _inplace_wndclass_atom = 0;
 107     }
 108
 109     HBITMAP hbitmap = (HBITMAP)LoadImage(getHInstance(), TEXT("INPLACE-PICT"), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
 110     if( NULL != hbitmap )
 111     {
 112         PICTDESC pictDesc;
 113
 114         pictDesc.cbSizeofstruct = sizeof(PICTDESC);
 115         pictDesc.picType        = PICTYPE_BITMAP;
 116         pictDesc.bmp.hbitmap    = hbitmap;
 117         pictDesc.bmp.hpal       = NULL;
 118
 119         if( FAILED(OleCreatePictureIndirect(&pictDesc, IID_IPicture, TRUE, reinterpret_cast<LPVOID*>(&_inplace_picture))) )
 120             _inplace_picture = NULL;
 121     }
 122     AddRef();
 123 };
 124
 125 VLCPluginClass::~VLCPluginClass()
 126 {
 127     if( 0 != _inplace_wndclass_atom )
 128         UnregisterClass(MAKEINTATOM(_inplace_wndclass_atom), _hinstance);
 129
 130     if( NULL != _inplace_picture )
 131         _inplace_picture->Release();
 132 };
 133
 134 STDMETHODIMP VLCPluginClass::QueryInterface(REFIID riid, void **ppv)
 135 {
 136     if( NULL == ppv )
 137         return E_INVALIDARG;
 138
 139     if( (IID_IUnknown == riid)
 140      || (IID_IClassFactory == riid) )
 141     {
 142         AddRef();
 143         *ppv = reinterpret_cast<LPVOID>(this);
 144
 145         return NOERROR;
 146     }
 147
 148     *ppv = NULL;
 149
 150     return E_NOINTERFACE;
 151 };
 152
 153 STDMETHODIMP_(ULONG) VLCPluginClass::AddRef(void)
 154 {
 155     return InterlockedIncrement(_p_class_ref);
 156 };
 157
 158 STDMETHODIMP_(ULONG) VLCPluginClass::Release(void)
 159 {
 160     ULONG refcount = InterlockedDecrement(_p_class_ref);
 161     if( 0 == refcount )
 162     {
 163         delete this;
 164         return 0;
 165     }
 166     return refcount;
 167 };
 168
 169 STDMETHODIMP VLCPluginClass::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv)
 170 {
 171     if( NULL == ppv )
 172         return E_POINTER;
 173
 174     *ppv = NULL;
 175
 176     if( (NULL != pUnkOuter) && (IID_IUnknown != riid) ) {
 177         return CLASS_E_NOAGGREGATION;
 178     }
 179
 180     VLCPlugin *plugin = new VLCPlugin(this, pUnkOuter);
 181     if( NULL != plugin )
 182     {
 183         HRESULT hr = plugin->QueryInterface(riid, ppv);
 184         // the following will destroy the object if QueryInterface() failed
 185         plugin->Release();
 186         return hr;
 187     }
 188     return E_OUTOFMEMORY;
 189 };
 190
 191 STDMETHODIMP VLCPluginClass::LockServer(BOOL fLock)
 192 {
 193     if( fLock )
 194         AddRef();
 195     else
 196         Release();
 197
 198     return S_OK;
 199 };
 200
 201 ////////////////////////////////////////////////////////////////////////
 202
 203 VLCPlugin::VLCPlugin(VLCPluginClass *p_class, LPUNKNOWN pUnkOuter) :
 204     _inplacewnd(NULL),
 205     _p_class(p_class),
 206     _i_ref(1UL),
 207     _p_libvlc(NULL),
 208     _i_codepage(CP_ACP),
 209     _b_usermode(TRUE)
 210 {
 211     p_class->AddRef();
 212
 213     vlcOleControl = new VLCOleControl(this);
 214     vlcOleInPlaceObject = new VLCOleInPlaceObject(this);
 215     vlcOleInPlaceActiveObject = new VLCOleInPlaceActiveObject(this);
 216     vlcPersistStorage = new VLCPersistStorage(this);
 217     vlcPersistStreamInit = new VLCPersistStreamInit(this);
 218     vlcPersistPropertyBag = new VLCPersistPropertyBag(this);
 219     vlcProvideClassInfo = new VLCProvideClassInfo(this);
 220     vlcConnectionPointContainer = new VLCConnectionPointContainer(this);
 221     vlcObjectSafety = new VLCObjectSafety(this);
 222     vlcControl = new VLCControl(this);
 223     vlcControl2 = new VLCControl2(this);
 224     vlcViewObject = new VLCViewObject(this);
 225     vlcDataObject = new VLCDataObject(this);
 226     vlcOleObject = new VLCOleObject(this);
 227     vlcSupportErrorInfo = new VLCSupportErrorInfo(this);
 228
 229     // configure controlling IUnknown interface for implemented interfaces
 230     this->pUnkOuter = (NULL != pUnkOuter) ? pUnkOuter : dynamic_cast<LPUNKNOWN>(this);
 231
 232     // default picure
 233     _p_pict = p_class->getInPlacePict();
 234
 235     // make sure that persistable properties are initialized
 236     onInit();
 237 };
 238
 239 VLCPlugin::~VLCPlugin()
 240 {
 241     /*
 242     ** bump refcount to avoid recursive release from
 243     ** following interfaces when releasing this interface
 244     */
 245     AddRef();
 246
 247     delete vlcSupportErrorInfo;
 248     delete vlcOleObject;
 249     delete vlcDataObject;
 250     delete vlcViewObject;
 251     delete vlcControl2;
 252     delete vlcControl;
 253     delete vlcConnectionPointContainer;
 254     delete vlcProvideClassInfo;
 255     delete vlcPersistPropertyBag;
 256     delete vlcPersistStreamInit;
 257     delete vlcPersistStorage;
 258     delete vlcOleInPlaceActiveObject;
 259     delete vlcOleInPlaceObject;
 260     delete vlcObjectSafety;
 261
 262     delete vlcOleControl;
 263     if( _p_pict )
 264         _p_pict->Release();
 265
 266     SysFreeString(_bstr_mrl);
 267     SysFreeString(_bstr_baseurl);
 268
 269     _p_class->Release();
 270 };
 271
 272 STDMETHODIMP VLCPlugin::QueryInterface(REFIID riid, void **ppv)
 273 {
 274     if( NULL == ppv )
 275         return E_INVALIDARG;
 276
 277     if( IID_IUnknown == riid )
 278         *ppv = reinterpret_cast<LPVOID>(this);
 279     else if( IID_IOleObject == riid )
 280         *ppv = reinterpret_cast<LPVOID>(vlcOleObject);
 281     else if( IID_IOleControl == riid )
 282         *ppv = reinterpret_cast<LPVOID>(vlcOleControl);
 283     else if( IID_IOleWindow == riid )
 284         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 285     else if( IID_IOleInPlaceObject == riid )
 286         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 287     else if( IID_IOleInPlaceActiveObject == riid )
 288         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceActiveObject);
 289     else if( IID_IPersist == riid )
 290         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 291     else if( IID_IPersistStreamInit == riid )
 292         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 293     else if( IID_IPersistStorage == riid )
 294         *ppv = reinterpret_cast<LPVOID>(vlcPersistStorage);
 295     else if( IID_IPersistPropertyBag == riid )
 296         *ppv = reinterpret_cast<LPVOID>(vlcPersistPropertyBag);
 297     else if( IID_IProvideClassInfo == riid )
 298         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 299     else if( IID_IProvideClassInfo2 == riid )
 300         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 301     else if( IID_IConnectionPointContainer == riid )
 302         *ppv = reinterpret_cast<LPVOID>(vlcConnectionPointContainer);
 303     else if( IID_IObjectSafety == riid )
 304         *ppv = reinterpret_cast<LPVOID>(vlcObjectSafety);
 305     else if( IID_IDispatch == riid )
 306         *ppv = (CLSID_VLCPlugin2 == getClassID()) ?
 307                 reinterpret_cast<LPVOID>(vlcControl2) :
 308                 reinterpret_cast<LPVOID>(vlcControl);
 309     else if( IID_IVLCControl == riid )
 310         *ppv = reinterpret_cast<LPVOID>(vlcControl);
 311     else if( IID_IVLCControl2 == riid )
 312         *ppv = reinterpret_cast<LPVOID>(vlcControl2);
 313     else if( IID_IViewObject == riid )
 314         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 315     else if( IID_IViewObject2 == riid )
 316         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 317     else if( IID_IDataObject == riid )
 318         *ppv = reinterpret_cast<LPVOID>(vlcDataObject);
 319     else if( IID_ISupportErrorInfo == riid )
 320         *ppv = reinterpret_cast<LPVOID>(vlcSupportErrorInfo);
 321     else
 322     {
 323         *ppv = NULL;
 324         return E_NOINTERFACE;
 325     }
 326     ((LPUNKNOWN)*ppv)->AddRef();
 327     return NOERROR;
 328 };
 329
 330 STDMETHODIMP_(ULONG) VLCPlugin::AddRef(void)
 331 {
 332     return InterlockedIncrement((LONG *)&_i_ref);
 333 };
 334
 335 STDMETHODIMP_(ULONG) VLCPlugin::Release(void)
 336 {
 337     if( ! InterlockedDecrement((LONG *)&_i_ref) )
 338     {
 339         delete this;
 340         return 0;
 341     }
 342     return _i_ref;
 343 };
 344
 345 //////////////////////////////////////
 346
 347 HRESULT VLCPlugin::onInit(void)
 348 {
 349     if( NULL == _p_libvlc )
 350     {
 351         // initialize persistable properties
 352         _b_autoplay = TRUE;
 353         _b_autoloop = FALSE;
 354         _bstr_baseurl = NULL;
 355         _bstr_mrl = NULL;
 356         _b_visible = TRUE;
 357         _b_mute = FALSE;
 358         _i_volume = 50;
 359         _i_time   = 0;
 360         _i_backcolor = 0;
 361         // set default/preferred size (320x240) pixels in HIMETRIC
 362         HDC hDC = CreateDevDC(NULL);
 363         _extent.cx = 320;
 364         _extent.cy = 240;
 365         HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
 366         DeleteDC(hDC);
 367
 368         return S_OK;
 369     }
 370     return CO_E_ALREADYINITIALIZED;
 371 };
 372
 373 HRESULT VLCPlugin::onLoad(void)
 374 {
 375     if( SysStringLen(_bstr_baseurl) == 0 )
 376     {
 377         /*
 378         ** try to retreive the base URL using the client site moniker, which for Internet Explorer
 379         ** is the URL of the page the plugin is embedded into.
 380         */
 381         LPOLECLIENTSITE pClientSite;
 382         if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
 383         {
 384             IBindCtx *pBC = 0;
 385             if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
 386             {
 387                 LPMONIKER pContMoniker = NULL;
 388                 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
 389                                 OLEWHICHMK_CONTAINER, &pContMoniker)) )
 390                 {
 391                     LPOLESTR base_url;
 392                     if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
 393                     {
 394                         /*
 395                         ** check that the moniker name is a URL
 396                         */
 397                         if( UrlIsW(base_url, URLIS_URL) )
 398                         {
 399                             /* copy base URL */
 400                             _bstr_baseurl = SysAllocString(base_url);
 401                         }
 402                         CoTaskMemFree(base_url);
 403                     }
 404                 }
 405             }
 406         }
 407     }
 408     setDirty(FALSE);
 409     return S_OK;
 410 };
 411
 412 HRESULT VLCPlugin::getVLCObject(int* i_vlc)
 413 {
 414     libvlc_instance_t *p_libvlc;
 415     HRESULT result = getVLC(&p_libvlc);
 416     if( SUCCEEDED(result) )
 417     {
 418         *i_vlc = libvlc_get_vlc_id(p_libvlc);
 419     }
 420     else
 421     {
 422         *i_vlc = 0;
 423     }
 424     return result;
 425 }
 426
 427 HRESULT VLCPlugin::getVLC(libvlc_instance_t** pp_libvlc)
 428 {
 429     extern HMODULE DllGetModule();
 430
 431     if( ! isRunning() )
 432     {
 433         /*
 434         ** default initialization options
 435         */
 436         char *ppsz_argv[32] = { "vlc" };
 437         int   ppsz_argc = 1;
 438
 439         char p_progpath[MAX_PATH];
 440         {
 441             TCHAR w_progpath[MAX_PATH];
 442             DWORD len = GetModuleFileName(DllGetModule(), w_progpath, MAX_PATH);
 443             if( len > 0 )
 444             {
 445                 len = WideCharToMultiByte(CP_UTF8, 0, w_progpath, len, p_progpath,
 446                            sizeof(p_progpath)-1, NULL, NULL);
 447                 if( len > 0 )
 448                 {
 449                     p_progpath[len] = '\0';
 450                     ppsz_argv[0] = p_progpath;
 451                 }
 452             }
 453         }
 454
 455         ppsz_argv[ppsz_argc++] = "-vv";
 456
 457         HKEY h_key;
 458         char p_pluginpath[MAX_PATH];
 459         if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, TEXT("Software\\VideoLAN\\VLC"),
 460                           0, KEY_READ, &h_key ) == ERROR_SUCCESS )
 461         {
 462             DWORD i_type, i_data = MAX_PATH;
 463             TCHAR w_pluginpath[MAX_PATH];
 464             if( RegQueryValueEx( h_key, TEXT("InstallDir"), 0, &i_type,
 465                                  (LPBYTE)w_pluginpath, &i_data ) == ERROR_SUCCESS )
 466             {
 467                 if( i_type == REG_SZ )
 468                 {
 469                     if( WideCharToMultiByte(CP_UTF8, 0, w_pluginpath, -1, p_pluginpath,
 470                              sizeof(p_pluginpath)-sizeof("\\plugins")+1, NULL, NULL) )
 471                     {
 472                         strcat( p_pluginpath, "\\plugins" );
 473                         ppsz_argv[ppsz_argc++] = "--plugin-path";
 474                         ppsz_argv[ppsz_argc++] = p_pluginpath;
 475                     }
 476                 }
 477             }
 478             RegCloseKey( h_key );
 479         }
 480
 481         // make sure plugin isn't affected with VLC single instance mode
 482         ppsz_argv[ppsz_argc++] = "--no-one-instance";
 483
 484         /* common settings */
 485         ppsz_argv[ppsz_argc++] = "--no-stats";
 486         ppsz_argv[ppsz_argc++] = "--no-media-library";
 487         ppsz_argv[ppsz_argc++] = "--intf=dummy";
 488
 489         // loop mode is a configuration option only
 490         if( _b_autoloop )
 491             ppsz_argv[ppsz_argc++] = "--loop";
 492
 493         _p_libvlc = libvlc_new(ppsz_argc, ppsz_argv, NULL);
 494         if( NULL == _p_libvlc )
 495         {
 496             *pp_libvlc = NULL;
 497             return E_FAIL;
 498         }
 499
 500         // initial volume setting
 501         libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 502         if( _b_mute )
 503         {
 504             libvlc_audio_set_mute(_p_libvlc, TRUE, NULL);
 505         }
 506
 507         // initial playlist item
 508         if( SysStringLen(_bstr_mrl) > 0 )
 509         {
 510             char *psz_mrl = NULL;
 511
 512             if( SysStringLen(_bstr_baseurl) > 0 )
 513             {
 514                 /*
 515                 ** if the MRL a relative URL, we should end up with an absolute URL
 516                 */
 517                 LPWSTR abs_url = CombineURL(_bstr_baseurl, _bstr_mrl);
 518                 if( NULL != abs_url )
 519                 {
 520                     psz_mrl = CStrFromWSTR(CP_UTF8, abs_url, wcslen(abs_url));
 521                     CoTaskMemFree(abs_url);
 522                 }
 523                 else
 524                 {
 525                     psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 526                 }
 527             }
 528             else
 529             {
 530                 /*
 531                 ** baseURL is empty, assume MRL is absolute
 532                 */
 533                 psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 534             }
 535             if( NULL != psz_mrl )
 536             {
 537                 const char *options[1];
 538                 int i_options = 0;
 539
 540                 char timeBuffer[32];
 541                 if( _i_time )
 542                 {
 543                     snprintf(timeBuffer, sizeof(timeBuffer), ":start-time=%d", _i_time);
 544                     options[i_options++] = timeBuffer;
 545                 }
 546                 // add default target to playlist
 547                 libvlc_playlist_add_extended(_p_libvlc, psz_mrl, NULL, i_options, options, NULL);
 548                 CoTaskMemFree(psz_mrl);
 549             }
 550         }
 551     }
 552     *pp_libvlc = _p_libvlc;
 553     return S_OK;
 554 };
 555
 556 void VLCPlugin::setErrorInfo(REFIID riid, const char *description)
 557 {
 558     vlcSupportErrorInfo->setErrorInfo( getClassID() == CLSID_VLCPlugin2 ?
 559         OLESTR("VideoLAN.VLCPlugin.2") : OLESTR("VideoLAN.VLCPlugin.1"),
 560         riid, description );
 561 };
 562
 563 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
 564 {
 565     VARIANT v;
 566     switch( dispID )
 567     {
 568         case DISPID_AMBIENT_BACKCOLOR:
 569             VariantInit(&v);
 570             V_VT(&v) = VT_I4;
 571             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 572             {
 573                 setBackColor(V_I4(&v));
 574             }
 575             break;
 576         case DISPID_AMBIENT_DISPLAYNAME:
 577             break;
 578         case DISPID_AMBIENT_FONT:
 579             break;
 580         case DISPID_AMBIENT_FORECOLOR:
 581             break;
 582         case DISPID_AMBIENT_LOCALEID:
 583             break;
 584         case DISPID_AMBIENT_MESSAGEREFLECT:
 585             break;
 586         case DISPID_AMBIENT_SCALEUNITS:
 587             break;
 588         case DISPID_AMBIENT_TEXTALIGN:
 589             break;
 590         case DISPID_AMBIENT_USERMODE:
 591             VariantInit(&v);
 592             V_VT(&v) = VT_BOOL;
 593             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 594             {
 595                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 596             }
 597             break;
 598         case DISPID_AMBIENT_UIDEAD:
 599             break;
 600         case DISPID_AMBIENT_SHOWGRABHANDLES:
 601             break;
 602         case DISPID_AMBIENT_SHOWHATCHING:
 603             break;
 604         case DISPID_AMBIENT_DISPLAYASDEFAULT:
 605             break;
 606         case DISPID_AMBIENT_SUPPORTSMNEMONICS:
 607             break;
 608         case DISPID_AMBIENT_AUTOCLIP:
 609             break;
 610         case DISPID_AMBIENT_APPEARANCE:
 611             break;
 612         case DISPID_AMBIENT_CODEPAGE:
 613             VariantInit(&v);
 614             V_VT(&v) = VT_I4;
 615             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 616             {
 617                 setCodePage(V_I4(&v));
 618             }
 619             break;
 620         case DISPID_AMBIENT_PALETTE:
 621             break;
 622         case DISPID_AMBIENT_CHARSET:
 623             break;
 624         case DISPID_AMBIENT_RIGHTTOLEFT:
 625             break;
 626         case DISPID_AMBIENT_TOPTOBOTTOM:
 627             break;
 628         case DISPID_UNKNOWN:
 629             /*
 630             ** multiple property change, look up the ones we are interested in
 631             */
 632             VariantInit(&v);
 633             V_VT(&v) = VT_BOOL;
 634             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
 635             {
 636                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 637             }
 638             VariantInit(&v);
 639             V_VT(&v) = VT_I4;
 640             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
 641             {
 642                 setCodePage(V_I4(&v));
 643             }
 644             break;
 645     }
 646     return S_OK;
 647 };
 648
 649 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
 650 {
 651     if( isInPlaceActive() )
 652     {
 653         onInPlaceDeactivate();
 654     }
 655     if( isRunning() )
 656     {
 657         libvlc_instance_t* p_libvlc = _p_libvlc;
 658
 659         IVLCLog *p_log;
 660         if( SUCCEEDED(vlcControl2->get_log(&p_log)) )
 661         {
 662             // make sure the log is disabled
 663             p_log->put_verbosity(-1);
 664             p_log->Release();
 665         }
 666
 667         _p_libvlc = NULL;
 668         vlcDataObject->onClose();
 669
 670         libvlc_release(p_libvlc, NULL );
 671     }
 672     return S_OK;
 673 };
 674
 675 BOOL VLCPlugin::isInPlaceActive(void)
 676 {
 677     return (NULL != _inplacewnd);
 678 };
 679
 680 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 681 {
 682     RECT clipRect = *lprcClipRect;
 683
 684     /*
 685     ** record keeping of control geometry within container
 686     */
 687     _posRect = *lprcPosRect;
 688
 689     /*
 690     ** Create a window for in place activated control.
 691     ** the window geometry matches the control viewport
 692     ** within container so that embedded video is always
 693     ** properly displayed.
 694     */
 695     _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
 696             TEXT("VLC Plugin In-Place Window"),
 697             WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
 698             lprcPosRect->left,
 699             lprcPosRect->top,
 700             lprcPosRect->right-lprcPosRect->left,
 701             lprcPosRect->bottom-lprcPosRect->top,
 702             hwndParent,
 703             0,
 704             _p_class->getHInstance(),
 705             NULL
 706            );
 707
 708     if( NULL == _inplacewnd )
 709         return E_FAIL;
 710
 711     SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
 712
 713     /* change cliprect coordinates system relative to window bounding rect */
 714     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 715
 716     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 717     SetWindowRgn(_inplacewnd, clipRgn, TRUE);
 718
 719     if( _b_usermode )
 720     {
 721         /* will run vlc if not done already */
 722         libvlc_instance_t* p_libvlc;
 723         HRESULT result = getVLC(&p_libvlc);
 724         if( FAILED(result) )
 725             return result;
 726
 727         /* set internal video width and height */
 728         libvlc_video_set_size(p_libvlc,
 729             lprcPosRect->right-lprcPosRect->left,
 730             lprcPosRect->bottom-lprcPosRect->top,
 731             NULL );
 732
 733         /* set internal video parent window */
 734         libvlc_video_set_parent(p_libvlc,
 735             reinterpret_cast<libvlc_drawable_t>(_inplacewnd), NULL);
 736
 737         if( _b_autoplay & (libvlc_playlist_items_count(p_libvlc, NULL) > 0) )
 738         {
 739             libvlc_playlist_play(p_libvlc, 0, 0, NULL, NULL);
 740             fireOnPlayEvent();
 741         }
 742     }
 743
 744     if( isVisible() )
 745         ShowWindow(_inplacewnd, SW_SHOW);
 746
 747     return S_OK;
 748 };
 749
 750 HRESULT VLCPlugin::onInPlaceDeactivate(void)
 751 {
 752     if( isRunning() )
 753     {
 754         libvlc_playlist_stop(_p_libvlc, NULL);
 755         fireOnStopEvent();
 756     }
 757
 758     DestroyWindow(_inplacewnd);
 759     _inplacewnd = NULL;
 760
 761     return S_OK;
 762 };
 763
 764 void VLCPlugin::setVisible(BOOL fVisible)
 765 {
 766     if( fVisible != _b_visible )
 767     {
 768         _b_visible = fVisible;
 769         if( isInPlaceActive() )
 770         {
 771             ShowWindow(_inplacewnd, fVisible ? SW_SHOW : SW_HIDE);
 772             if( fVisible )
 773                 InvalidateRect(_inplacewnd, NULL, TRUE);
 774         }
 775         setDirty(TRUE);
 776         firePropChangedEvent(DISPID_Visible);
 777     }
 778 };
 779
 780 void VLCPlugin::setVolume(int volume)
 781 {
 782     if( volume < 0 )
 783         volume = 0;
 784     else if( volume > 200 )
 785         volume = 200;
 786
 787     if( volume != _i_volume )
 788     {
 789         _i_volume = volume;
 790         if( isRunning() )
 791         {
 792             libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 793         }
 794         setDirty(TRUE);
 795     }
 796 };
 797
 798 void VLCPlugin::setBackColor(OLE_COLOR backcolor)
 799 {
 800     if( _i_backcolor != backcolor )
 801     {
 802         _i_backcolor = backcolor;
 803         if( isInPlaceActive() )
 804         {
 805
 806         }
 807         setDirty(TRUE);
 808     }
 809 };
 810
 811 void VLCPlugin::setTime(int seconds)
 812 {
 813     if( seconds < 0 )
 814         seconds = 0;
 815
 816     if( seconds != _i_time )
 817     {
 818         setStartTime(_i_time);
 819         if( isRunning() )
 820         {
 821             libvlc_media_instance_t *p_md = libvlc_playlist_get_media_instance(_p_libvlc, NULL);
 822             if( NULL != p_md )
 823             {
 824                 libvlc_media_instance_set_time(p_md, _i_time, NULL);
 825                 libvlc_media_instance_release(p_md);
 826             }
 827         }
 828     }
 829 };
 830
 831 void VLCPlugin::setFocus(BOOL fFocus)
 832 {
 833     if( fFocus )
 834         SetActiveWindow(_inplacewnd);
 835 };
 836
 837 BOOL VLCPlugin::hasFocus(void)
 838 {
 839     return GetActiveWindow() == _inplacewnd;
 840 };
 841
 842 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
 843         HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
 844 {
 845     if( isVisible() )
 846     {
 847         long width = lprcBounds->right-lprcBounds->left;
 848         long height = lprcBounds->bottom-lprcBounds->top;
 849
 850         RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
 851
 852         if( isUserMode() )
 853         {
 854             /* VLC is in user mode, just draw background color */
 855             COLORREF colorref = RGB(0, 0, 0);
 856             OleTranslateColor(_i_backcolor, (HPALETTE)GetStockObject(DEFAULT_PALETTE), &colorref);
 857             if( colorref != RGB(0, 0, 0) )
 858             {
 859                 /* custom background */
 860                 HBRUSH colorbrush = CreateSolidBrush(colorref);
 861                 FillRect(hdcDraw, &bounds, colorbrush);
 862                 DeleteObject((HANDLE)colorbrush);
 863             }
 864             else
 865             {
 866                 /* black background */
 867                 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(BLACK_BRUSH));
 868             }
 869         }
 870         else
 871         {
 872             /* VLC is in design mode, draw the VLC logo */
 873             FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
 874
 875             LPPICTURE pict = getPicture();
 876             if( NULL != pict )
 877             {
 878                 OLE_XSIZE_HIMETRIC picWidth;
 879                 OLE_YSIZE_HIMETRIC picHeight;
 880
 881                 pict->get_Width(&picWidth);
 882                 pict->get_Height(&picHeight);
 883
 884                 SIZEL picSize = { picWidth, picHeight };
 885
 886                 if( NULL != hicTargetDev )
 887                 {
 888                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 889                 }
 890                 else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
 891                 {
 892                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 893                     DeleteDC(hicTargetDev);
 894                 }
 895
 896                 if( picSize.cx > width-4 )
 897                     picSize.cx = width-4;
 898                 if( picSize.cy > height-4 )
 899                     picSize.cy = height-4;
 900
 901                 LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
 902                 LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
 903
 904                 if( NULL != lprcWBounds )
 905                 {
 906                     RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
 907                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 908                             0L, picHeight, picWidth, -picHeight, &wBounds);
 909                 }
 910                 else
 911                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 912                             0L, picHeight, picWidth, -picHeight, NULL);
 913
 914                 pict->Release();
 915             }
 916
 917             SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
 918
 919             MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
 920             LineTo(hdcDraw, bounds.left+width-1, bounds.top);
 921             LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
 922             LineTo(hdcDraw, bounds.left, bounds.top+height-1);
 923             LineTo(hdcDraw, bounds.left, bounds.top);
 924         }
 925     }
 926 };
 927
 928 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
 929 {
 930     if( isVisible() )
 931     {
 932         /* if VLC is in design mode, draw control logo */
 933         HDC hdcDraw = CreateCompatibleDC(hdc);
 934         if( NULL != hdcDraw )
 935         {
 936             SIZEL size = getExtent();
 937             DPFromHimetric(hdc, (LPPOINT)&size, 1);
 938             RECTL posRect = { 0, 0, size.cx, size.cy };
 939
 940             int width = bounds.right-bounds.left;
 941             int height = bounds.bottom-bounds.top;
 942
 943             HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
 944             if( NULL != hBitmap )
 945             {
 946                 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
 947
 948                 if( (size.cx != width) || (size.cy != height) )
 949                 {
 950                     // needs to scale canvas
 951                     SetMapMode(hdcDraw, MM_ANISOTROPIC);
 952                     SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
 953                     SetViewportExtEx(hdcDraw, width, height, NULL);
 954                 }
 955
 956                 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
 957
 958                 SetMapMode(hdcDraw, MM_TEXT);
 959                 BitBlt(hdc, bounds.left, bounds.top,
 960                         width, height,
 961                         hdcDraw, 0, 0,
 962                         SRCCOPY);
 963
 964                 SelectObject(hdcDraw, oldBmp);
 965                 DeleteObject(hBitmap);
 966             }
 967             DeleteDC(hdcDraw);
 968         }
 969     }
 970 };
 971
 972 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 973 {
 974     RECT clipRect = *lprcClipRect;
 975
 976     //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
 977
 978     /*
 979     ** record keeping of control geometry within container
 980     */
 981     _posRect = *lprcPosRect;
 982
 983     /*
 984     ** change in-place window geometry to match clipping region
 985     */
 986     SetWindowPos(_inplacewnd, NULL,
 987             lprcPosRect->left,
 988             lprcPosRect->top,
 989             lprcPosRect->right-lprcPosRect->left,
 990             lprcPosRect->bottom-lprcPosRect->top,
 991             SWP_NOACTIVATE|
 992             SWP_NOCOPYBITS|
 993             SWP_NOZORDER|
 994             SWP_NOOWNERZORDER );
 995
 996     /* change cliprect coordinates system relative to window bounding rect */
 997     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 998     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 999     SetWindowRgn(_inplacewnd, clipRgn, FALSE);
1000
1001     //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
1002     if( isRunning() )
1003     {
1004         libvlc_video_set_size(_p_libvlc,
1005             lprcPosRect->right-lprcPosRect->left,
1006             lprcPosRect->bottom-lprcPosRect->top,
1007             NULL );
1008     }
1009 };
1010
1011 void VLCPlugin::freezeEvents(BOOL freeze)
1012 {
1013     vlcConnectionPointContainer->freezeEvents(freeze);
1014 };
1015
1016 void VLCPlugin::firePropChangedEvent(DISPID dispid)
1017 {
1018     vlcConnectionPointContainer->firePropChangedEvent(dispid);
1019 };
1020
1021 void VLCPlugin::fireOnPlayEvent(void)
1022 {
1023     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1024     vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1025 };
1026
1027 void VLCPlugin::fireOnPauseEvent(void)
1028 {
1029     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1030     vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1031 };
1032
1033 void VLCPlugin::fireOnStopEvent(void)
1034 {
1035     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1036     vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);
1037 };