git.sesse.net Git - vlc/blob - projects/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(), MAKEINTRESOURCE(2), 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         _b_toolbar    = FALSE;
 355         _bstr_baseurl = NULL;
 356         _bstr_mrl     = NULL;
 357         _b_visible    = TRUE;
 358         _b_mute       = FALSE;
 359         _i_volume     = 50;
 360         _i_time       = 0;
 361         _i_backcolor  = 0;
 362         // set default/preferred size (320x240) pixels in HIMETRIC
 363         HDC hDC = CreateDevDC(NULL);
 364         _extent.cx = 320;
 365         _extent.cy = 240;
 366         HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
 367         DeleteDC(hDC);
 368
 369         return S_OK;
 370     }
 371     return CO_E_ALREADYINITIALIZED;
 372 };
 373
 374 HRESULT VLCPlugin::onLoad(void)
 375 {
 376     if( SysStringLen(_bstr_baseurl) == 0 )
 377     {
 378         /*
 379         ** try to retreive the base URL using the client site moniker, which for Internet Explorer
 380         ** is the URL of the page the plugin is embedded into.
 381         */
 382         LPOLECLIENTSITE pClientSite;
 383         if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
 384         {
 385             IBindCtx *pBC = 0;
 386             if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
 387             {
 388                 LPMONIKER pContMoniker = NULL;
 389                 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
 390                                 OLEWHICHMK_CONTAINER, &pContMoniker)) )
 391                 {
 392                     LPOLESTR base_url;
 393                     if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
 394                     {
 395                         /*
 396                         ** check that the moniker name is a URL
 397                         */
 398                         if( UrlIsW(base_url, URLIS_URL) )
 399                         {
 400                             /* copy base URL */
 401                             _bstr_baseurl = SysAllocString(base_url);
 402                         }
 403                         CoTaskMemFree(base_url);
 404                     }
 405                 }
 406             }
 407         }
 408     }
 409     setDirty(FALSE);
 410     return S_OK;
 411 };
 412
 413 HRESULT VLCPlugin::getVLC(libvlc_instance_t** pp_libvlc)
 414 {
 415     extern HMODULE DllGetModule();
 416
 417     if( ! isRunning() )
 418     {
 419         /*
 420         ** default initialization options
 421         */
 422         const char *ppsz_argv[32] = { };
 423         int   ppsz_argc = 0;
 424
 425         char p_progpath[MAX_PATH];
 426         {
 427             TCHAR w_progpath[MAX_PATH];
 428             DWORD len = GetModuleFileName(DllGetModule(), w_progpath, MAX_PATH);
 429             if( len > 0 )
 430             {
 431                 len = WideCharToMultiByte(CP_UTF8, 0, w_progpath, len, p_progpath,
 432                            sizeof(p_progpath)-1, NULL, NULL);
 433                 if( len > 0 )
 434                 {
 435                     p_progpath[len] = '\0';
 436                     ppsz_argv[0] = p_progpath;
 437                 }
 438             }
 439         }
 440
 441         ppsz_argv[ppsz_argc++] = "-vv";
 442
 443         HKEY h_key;
 444         char p_pluginpath[MAX_PATH];
 445         if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, TEXT("Software\\VideoLAN\\VLC"),
 446                           0, KEY_READ, &h_key ) == ERROR_SUCCESS )
 447         {
 448             DWORD i_type, i_data = MAX_PATH;
 449             TCHAR w_pluginpath[MAX_PATH];
 450             if( RegQueryValueEx( h_key, TEXT("InstallDir"), 0, &i_type,
 451                                  (LPBYTE)w_pluginpath, &i_data ) == ERROR_SUCCESS )
 452             {
 453                 if( i_type == REG_SZ )
 454                 {
 455                     if( WideCharToMultiByte(CP_UTF8, 0, w_pluginpath, -1, p_pluginpath,
 456                              sizeof(p_pluginpath)-sizeof("\\plugins")+1, NULL, NULL) )
 457                     {
 458                         strcat( p_pluginpath, "\\plugins" );
 459                         ppsz_argv[ppsz_argc++] = "--plugin-path";
 460                         ppsz_argv[ppsz_argc++] = p_pluginpath;
 461                     }
 462                 }
 463             }
 464             RegCloseKey( h_key );
 465         }
 466
 467         // make sure plugin isn't affected with VLC single instance mode
 468         ppsz_argv[ppsz_argc++] = "--no-one-instance";
 469
 470         /* common settings */
 471         ppsz_argv[ppsz_argc++] = "--no-stats";
 472         ppsz_argv[ppsz_argc++] = "--no-media-library";
 473         ppsz_argv[ppsz_argc++] = "--ignore-config";
 474         ppsz_argv[ppsz_argc++] = "--intf=dummy";
 475
 476         // loop mode is a configuration option only
 477         if( _b_autoloop )
 478             ppsz_argv[ppsz_argc++] = "--loop";
 479
 480         libvlc_exception_t ex;
 481         libvlc_exception_init(&ex);
 482
 483         _p_libvlc = libvlc_new(ppsz_argc, ppsz_argv, &ex);
 484         if( libvlc_exception_raised(&ex) )
 485         {
 486             *pp_libvlc = NULL;
 487             libvlc_exception_clear(&ex);
 488             return E_FAIL;
 489         }
 490
 491         // initial volume setting
 492         libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 493         if( _b_mute )
 494         {
 495             libvlc_audio_set_mute(_p_libvlc, TRUE, NULL);
 496         }
 497
 498         // initial playlist item
 499         if( SysStringLen(_bstr_mrl) > 0 )
 500         {
 501             char *psz_mrl = NULL;
 502
 503             if( SysStringLen(_bstr_baseurl) > 0 )
 504             {
 505                 /*
 506                 ** if the MRL a relative URL, we should end up with an absolute URL
 507                 */
 508                 LPWSTR abs_url = CombineURL(_bstr_baseurl, _bstr_mrl);
 509                 if( NULL != abs_url )
 510                 {
 511                     psz_mrl = CStrFromWSTR(CP_UTF8, abs_url, wcslen(abs_url));
 512                     CoTaskMemFree(abs_url);
 513                 }
 514                 else
 515                 {
 516                     psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 517                 }
 518             }
 519             else
 520             {
 521                 /*
 522                 ** baseURL is empty, assume MRL is absolute
 523                 */
 524                 psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 525             }
 526             if( NULL != psz_mrl )
 527             {
 528                 const char *options[1];
 529                 int i_options = 0;
 530
 531                 char timeBuffer[32];
 532                 if( _i_time )
 533                 {
 534                     snprintf(timeBuffer, sizeof(timeBuffer), ":start-time=%d", _i_time);
 535                     options[i_options++] = timeBuffer;
 536                 }
 537                 // add default target to playlist
 538                 libvlc_playlist_add_extended(_p_libvlc, psz_mrl, NULL, i_options, options, NULL);
 539                 CoTaskMemFree(psz_mrl);
 540             }
 541         }
 542     }
 543     *pp_libvlc = _p_libvlc;
 544     return S_OK;
 545 };
 546
 547 void VLCPlugin::setErrorInfo(REFIID riid, const char *description)
 548 {
 549     vlcSupportErrorInfo->setErrorInfo( getClassID() == CLSID_VLCPlugin2 ?
 550         OLESTR("VideoLAN.VLCPlugin.2") : OLESTR("VideoLAN.VLCPlugin.1"),
 551         riid, description );
 552 };
 553
 554 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
 555 {
 556     VARIANT v;
 557     switch( dispID )
 558     {
 559         case DISPID_AMBIENT_BACKCOLOR:
 560             VariantInit(&v);
 561             V_VT(&v) = VT_I4;
 562             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 563             {
 564                 setBackColor(V_I4(&v));
 565             }
 566             break;
 567         case DISPID_AMBIENT_DISPLAYNAME:
 568             break;
 569         case DISPID_AMBIENT_FONT:
 570             break;
 571         case DISPID_AMBIENT_FORECOLOR:
 572             break;
 573         case DISPID_AMBIENT_LOCALEID:
 574             break;
 575         case DISPID_AMBIENT_MESSAGEREFLECT:
 576             break;
 577         case DISPID_AMBIENT_SCALEUNITS:
 578             break;
 579         case DISPID_AMBIENT_TEXTALIGN:
 580             break;
 581         case DISPID_AMBIENT_USERMODE:
 582             VariantInit(&v);
 583             V_VT(&v) = VT_BOOL;
 584             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 585             {
 586                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 587             }
 588             break;
 589         case DISPID_AMBIENT_UIDEAD:
 590             break;
 591         case DISPID_AMBIENT_SHOWGRABHANDLES:
 592             break;
 593         case DISPID_AMBIENT_SHOWHATCHING:
 594             break;
 595         case DISPID_AMBIENT_DISPLAYASDEFAULT:
 596             break;
 597         case DISPID_AMBIENT_SUPPORTSMNEMONICS:
 598             break;
 599         case DISPID_AMBIENT_AUTOCLIP:
 600             break;
 601         case DISPID_AMBIENT_APPEARANCE:
 602             break;
 603         case DISPID_AMBIENT_CODEPAGE:
 604             VariantInit(&v);
 605             V_VT(&v) = VT_I4;
 606             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 607             {
 608                 setCodePage(V_I4(&v));
 609             }
 610             break;
 611         case DISPID_AMBIENT_PALETTE:
 612             break;
 613         case DISPID_AMBIENT_CHARSET:
 614             break;
 615         case DISPID_AMBIENT_RIGHTTOLEFT:
 616             break;
 617         case DISPID_AMBIENT_TOPTOBOTTOM:
 618             break;
 619         case DISPID_UNKNOWN:
 620             /*
 621             ** multiple property change, look up the ones we are interested in
 622             */
 623             VariantInit(&v);
 624             V_VT(&v) = VT_BOOL;
 625             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
 626             {
 627                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 628             }
 629             VariantInit(&v);
 630             V_VT(&v) = VT_I4;
 631             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
 632             {
 633                 setCodePage(V_I4(&v));
 634             }
 635             break;
 636     }
 637     return S_OK;
 638 };
 639
 640 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
 641 {
 642     if( isInPlaceActive() )
 643     {
 644         onInPlaceDeactivate();
 645     }
 646     if( isRunning() )
 647     {
 648         libvlc_instance_t* p_libvlc = _p_libvlc;
 649
 650         IVLCLog *p_log;
 651         if( SUCCEEDED(vlcControl2->get_log(&p_log)) )
 652         {
 653             // make sure the log is disabled
 654             p_log->put_verbosity(-1);
 655             p_log->Release();
 656         }
 657
 658         _p_libvlc = NULL;
 659         vlcDataObject->onClose();
 660
 661         if( p_libvlc )
 662             libvlc_release(p_libvlc);
 663     }
 664     return S_OK;
 665 };
 666
 667 BOOL VLCPlugin::isInPlaceActive(void)
 668 {
 669     return (NULL != _inplacewnd);
 670 };
 671
 672 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 673 {
 674     RECT clipRect = *lprcClipRect;
 675
 676     /*
 677     ** record keeping of control geometry within container
 678     */
 679     _posRect = *lprcPosRect;
 680
 681     /*
 682     ** Create a window for in place activated control.
 683     ** the window geometry matches the control viewport
 684     ** within container so that embedded video is always
 685     ** properly displayed.
 686     */
 687     _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
 688             TEXT("VLC Plugin In-Place Window"),
 689             WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
 690             lprcPosRect->left,
 691             lprcPosRect->top,
 692             lprcPosRect->right-lprcPosRect->left,
 693             lprcPosRect->bottom-lprcPosRect->top,
 694             hwndParent,
 695             0,
 696             _p_class->getHInstance(),
 697             NULL
 698            );
 699
 700     if( NULL == _inplacewnd )
 701         return E_FAIL;
 702
 703     SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
 704
 705     /* change cliprect coordinates system relative to window bounding rect */
 706     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 707
 708     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 709     SetWindowRgn(_inplacewnd, clipRgn, TRUE);
 710
 711     if( _b_usermode )
 712     {
 713         /* will run vlc if not done already */
 714         libvlc_instance_t* p_libvlc;
 715         HRESULT result = getVLC(&p_libvlc);
 716         if( FAILED(result) )
 717             return result;
 718
 719         /* set internal video width and height */
 720         libvlc_video_set_size(p_libvlc,
 721             lprcPosRect->right-lprcPosRect->left,
 722             lprcPosRect->bottom-lprcPosRect->top,
 723             NULL );
 724
 725         /* set internal video parent window */
 726         libvlc_video_set_parent(p_libvlc,
 727             reinterpret_cast<libvlc_drawable_t>(_inplacewnd), NULL);
 728
 729         if( _b_autoplay & (libvlc_playlist_items_count(p_libvlc, NULL) > 0) )
 730         {
 731             libvlc_playlist_play(p_libvlc, 0, 0, NULL, NULL);
 732             fireOnPlayEvent();
 733         }
 734     }
 735
 736     if( isVisible() )
 737         ShowWindow(_inplacewnd, SW_SHOW);
 738
 739     return S_OK;
 740 };
 741
 742 HRESULT VLCPlugin::onInPlaceDeactivate(void)
 743 {
 744     if( isRunning() )
 745     {
 746         libvlc_playlist_stop(_p_libvlc, NULL);
 747         fireOnStopEvent();
 748     }
 749
 750     DestroyWindow(_inplacewnd);
 751     _inplacewnd = NULL;
 752
 753     return S_OK;
 754 };
 755
 756 void VLCPlugin::setVisible(BOOL fVisible)
 757 {
 758     if( fVisible != _b_visible )
 759     {
 760         _b_visible = fVisible;
 761         if( isInPlaceActive() )
 762         {
 763             ShowWindow(_inplacewnd, fVisible ? SW_SHOW : SW_HIDE);
 764             if( fVisible )
 765                 InvalidateRect(_inplacewnd, NULL, TRUE);
 766         }
 767         setDirty(TRUE);
 768         firePropChangedEvent(DISPID_Visible);
 769     }
 770 };
 771
 772 void VLCPlugin::setVolume(int volume)
 773 {
 774     if( volume < 0 )
 775         volume = 0;
 776     else if( volume > 200 )
 777         volume = 200;
 778
 779     if( volume != _i_volume )
 780     {
 781         _i_volume = volume;
 782         if( isRunning() )
 783         {
 784             libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 785         }
 786         setDirty(TRUE);
 787     }
 788 };
 789
 790 void VLCPlugin::setBackColor(OLE_COLOR backcolor)
 791 {
 792     if( _i_backcolor != backcolor )
 793     {
 794         _i_backcolor = backcolor;
 795         if( isInPlaceActive() )
 796         {
 797
 798         }
 799         setDirty(TRUE);
 800     }
 801 };
 802
 803 void VLCPlugin::setTime(int seconds)
 804 {
 805     if( seconds < 0 )
 806         seconds = 0;
 807
 808     if( seconds != _i_time )
 809     {
 810         setStartTime(_i_time);
 811         if( isRunning() )
 812         {
 813             libvlc_media_player_t *p_md = libvlc_playlist_get_media_player(_p_libvlc, NULL);
 814             if( NULL != p_md )
 815             {
 816                 libvlc_media_player_set_time(p_md, _i_time, NULL);
 817                 libvlc_media_player_release(p_md);
 818             }
 819         }
 820     }
 821 };
 822
 823 void VLCPlugin::setFocus(BOOL fFocus)
 824 {
 825     if( fFocus )
 826         SetActiveWindow(_inplacewnd);
 827 };
 828
 829 BOOL VLCPlugin::hasFocus(void)
 830 {
 831     return GetActiveWindow() == _inplacewnd;
 832 };
 833
 834 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
 835         HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
 836 {
 837     if( isVisible() )
 838     {
 839         long width = lprcBounds->right-lprcBounds->left;
 840         long height = lprcBounds->bottom-lprcBounds->top;
 841
 842         RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
 843
 844         if( isUserMode() )
 845         {
 846             /* VLC is in user mode, just draw background color */
 847             COLORREF colorref = RGB(0, 0, 0);
 848             OleTranslateColor(_i_backcolor, (HPALETTE)GetStockObject(DEFAULT_PALETTE), &colorref);
 849             if( colorref != RGB(0, 0, 0) )
 850             {
 851                 /* custom background */
 852                 HBRUSH colorbrush = CreateSolidBrush(colorref);
 853                 FillRect(hdcDraw, &bounds, colorbrush);
 854                 DeleteObject((HANDLE)colorbrush);
 855             }
 856             else
 857             {
 858                 /* black background */
 859                 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(BLACK_BRUSH));
 860             }
 861         }
 862         else
 863         {
 864             /* VLC is in design mode, draw the VLC logo */
 865             FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
 866
 867             LPPICTURE pict = getPicture();
 868             if( NULL != pict )
 869             {
 870                 OLE_XSIZE_HIMETRIC picWidth;
 871                 OLE_YSIZE_HIMETRIC picHeight;
 872
 873                 pict->get_Width(&picWidth);
 874                 pict->get_Height(&picHeight);
 875
 876                 SIZEL picSize = { picWidth, picHeight };
 877
 878                 if( NULL != hicTargetDev )
 879                 {
 880                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 881                 }
 882                 else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
 883                 {
 884                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 885                     DeleteDC(hicTargetDev);
 886                 }
 887
 888                 if( picSize.cx > width-4 )
 889                     picSize.cx = width-4;
 890                 if( picSize.cy > height-4 )
 891                     picSize.cy = height-4;
 892
 893                 LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
 894                 LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
 895
 896                 if( NULL != lprcWBounds )
 897                 {
 898                     RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
 899                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 900                             0L, picHeight, picWidth, -picHeight, &wBounds);
 901                 }
 902                 else
 903                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 904                             0L, picHeight, picWidth, -picHeight, NULL);
 905
 906                 pict->Release();
 907             }
 908
 909             SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
 910
 911             MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
 912             LineTo(hdcDraw, bounds.left+width-1, bounds.top);
 913             LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
 914             LineTo(hdcDraw, bounds.left, bounds.top+height-1);
 915             LineTo(hdcDraw, bounds.left, bounds.top);
 916         }
 917     }
 918 };
 919
 920 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
 921 {
 922     if( isVisible() )
 923     {
 924         /* if VLC is in design mode, draw control logo */
 925         HDC hdcDraw = CreateCompatibleDC(hdc);
 926         if( NULL != hdcDraw )
 927         {
 928             SIZEL size = getExtent();
 929             DPFromHimetric(hdc, (LPPOINT)&size, 1);
 930             RECTL posRect = { 0, 0, size.cx, size.cy };
 931
 932             int width = bounds.right-bounds.left;
 933             int height = bounds.bottom-bounds.top;
 934
 935             HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
 936             if( NULL != hBitmap )
 937             {
 938                 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
 939
 940                 if( (size.cx != width) || (size.cy != height) )
 941                 {
 942                     // needs to scale canvas
 943                     SetMapMode(hdcDraw, MM_ANISOTROPIC);
 944                     SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
 945                     SetViewportExtEx(hdcDraw, width, height, NULL);
 946                 }
 947
 948                 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
 949
 950                 SetMapMode(hdcDraw, MM_TEXT);
 951                 BitBlt(hdc, bounds.left, bounds.top,
 952                         width, height,
 953                         hdcDraw, 0, 0,
 954                         SRCCOPY);
 955
 956                 SelectObject(hdcDraw, oldBmp);
 957                 DeleteObject(hBitmap);
 958             }
 959             DeleteDC(hdcDraw);
 960         }
 961     }
 962 };
 963
 964 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 965 {
 966     RECT clipRect = *lprcClipRect;
 967
 968     //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
 969
 970     /*
 971     ** record keeping of control geometry within container
 972     */
 973     _posRect = *lprcPosRect;
 974
 975     /*
 976     ** change in-place window geometry to match clipping region
 977     */
 978     SetWindowPos(_inplacewnd, NULL,
 979             lprcPosRect->left,
 980             lprcPosRect->top,
 981             lprcPosRect->right-lprcPosRect->left,
 982             lprcPosRect->bottom-lprcPosRect->top,
 983             SWP_NOACTIVATE|
 984             SWP_NOCOPYBITS|
 985             SWP_NOZORDER|
 986             SWP_NOOWNERZORDER );
 987
 988     /* change cliprect coordinates system relative to window bounding rect */
 989     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 990     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 991     SetWindowRgn(_inplacewnd, clipRgn, FALSE);
 992
 993     //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
 994     if( isRunning() )
 995     {
 996         libvlc_video_set_size(_p_libvlc,
 997             lprcPosRect->right-lprcPosRect->left,
 998             lprcPosRect->bottom-lprcPosRect->top,
 999             NULL );
1000     }
1001 };
1002
1003 void VLCPlugin::freezeEvents(BOOL freeze)
1004 {
1005     vlcConnectionPointContainer->freezeEvents(freeze);
1006 };
1007
1008 void VLCPlugin::firePropChangedEvent(DISPID dispid)
1009 {
1010     vlcConnectionPointContainer->firePropChangedEvent(dispid);
1011 };
1012
1013 void VLCPlugin::fireOnPlayEvent(void)
1014 {
1015     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1016     vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1017 };
1018
1019 void VLCPlugin::fireOnPauseEvent(void)
1020 {
1021     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1022     vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1023 };
1024
1025 void VLCPlugin::fireOnStopEvent(void)
1026 {
1027     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1028     vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);
1029 };