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     delete vlcSupportErrorInfo;
 242     delete vlcOleObject;
 243     delete vlcDataObject;
 244     delete vlcViewObject;
 245     delete vlcControl2;
 246     delete vlcControl;
 247     delete vlcConnectionPointContainer;
 248     delete vlcProvideClassInfo;
 249     delete vlcPersistPropertyBag;
 250     delete vlcPersistStreamInit;
 251     delete vlcPersistStorage;
 252     delete vlcOleInPlaceActiveObject;
 253     delete vlcOleInPlaceObject;
 254     delete vlcObjectSafety;
 255
 256     delete vlcOleControl;
 257     if( _p_pict )
 258         _p_pict->Release();
 259
 260     SysFreeString(_bstr_mrl);
 261     SysFreeString(_bstr_baseurl);
 262
 263     _p_class->Release();
 264 };
 265
 266 STDMETHODIMP VLCPlugin::QueryInterface(REFIID riid, void **ppv)
 267 {
 268     if( NULL == ppv )
 269         return E_INVALIDARG;
 270
 271     if( IID_IUnknown == riid )
 272         *ppv = reinterpret_cast<LPVOID>(this);
 273     else if( IID_IOleObject == riid )
 274         *ppv = reinterpret_cast<LPVOID>(vlcOleObject);
 275     else if( IID_IOleControl == riid )
 276         *ppv = reinterpret_cast<LPVOID>(vlcOleControl);
 277     else if( IID_IOleWindow == riid )
 278         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 279     else if( IID_IOleInPlaceObject == riid )
 280         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 281     else if( IID_IOleInPlaceActiveObject == riid )
 282         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceActiveObject);
 283     else if( IID_IPersist == riid )
 284         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 285     else if( IID_IPersistStreamInit == riid )
 286         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 287     else if( IID_IPersistStorage == riid )
 288         *ppv = reinterpret_cast<LPVOID>(vlcPersistStorage);
 289     else if( IID_IPersistPropertyBag == riid )
 290         *ppv = reinterpret_cast<LPVOID>(vlcPersistPropertyBag);
 291     else if( IID_IProvideClassInfo == riid )
 292         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 293     else if( IID_IProvideClassInfo2 == riid )
 294         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 295     else if( IID_IConnectionPointContainer == riid )
 296         *ppv = reinterpret_cast<LPVOID>(vlcConnectionPointContainer);
 297     else if( IID_IObjectSafety == riid )
 298         *ppv = reinterpret_cast<LPVOID>(vlcObjectSafety);
 299     else if( IID_IDispatch == riid )
 300         *ppv = (CLSID_VLCPlugin2 == getClassID()) ?
 301                 reinterpret_cast<LPVOID>(vlcControl2) :
 302                 reinterpret_cast<LPVOID>(vlcControl);
 303     else if( IID_IVLCControl == riid )
 304         *ppv = reinterpret_cast<LPVOID>(vlcControl);
 305     else if( IID_IVLCControl2 == riid )
 306         *ppv = reinterpret_cast<LPVOID>(vlcControl2);
 307     else if( IID_IViewObject == riid )
 308         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 309     else if( IID_IViewObject2 == riid )
 310         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 311     else if( IID_IDataObject == riid )
 312         *ppv = reinterpret_cast<LPVOID>(vlcDataObject);
 313     else if( IID_ISupportErrorInfo == riid )
 314         *ppv = reinterpret_cast<LPVOID>(vlcSupportErrorInfo);
 315     else
 316     {
 317         *ppv = NULL;
 318         return E_NOINTERFACE;
 319     }
 320     ((LPUNKNOWN)*ppv)->AddRef();
 321     return NOERROR;
 322 };
 323
 324 STDMETHODIMP_(ULONG) VLCPlugin::AddRef(void)
 325 {
 326     return InterlockedIncrement((LONG *)&_i_ref);
 327 };
 328
 329 STDMETHODIMP_(ULONG) VLCPlugin::Release(void)
 330 {
 331     if( ! InterlockedDecrement((LONG *)&_i_ref) )
 332     {
 333         delete this;
 334         return 0;
 335     }
 336     return _i_ref;
 337 };
 338
 339 //////////////////////////////////////
 340
 341 HRESULT VLCPlugin::onInit(void)
 342 {
 343     if( NULL == _p_libvlc )
 344     {
 345         // initialize persistable properties
 346         _b_autoplay = TRUE;
 347         _b_autoloop = FALSE;
 348         _bstr_baseurl = NULL;
 349         _bstr_mrl = NULL;
 350         _b_visible = TRUE;
 351         _b_mute = FALSE;
 352         _i_volume = 50;
 353         _i_time   = 0;
 354         _i_backcolor = 0;
 355         // set default/preferred size (320x240) pixels in HIMETRIC
 356         HDC hDC = CreateDevDC(NULL);
 357         _extent.cx = 320;
 358         _extent.cy = 240;
 359         HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
 360         DeleteDC(hDC);
 361
 362         return S_OK;
 363     }
 364     return CO_E_ALREADYINITIALIZED;
 365 };
 366
 367 HRESULT VLCPlugin::onLoad(void)
 368 {
 369     if( SysStringLen(_bstr_baseurl) == 0 )
 370     {
 371         /*
 372         ** try to retreive the base URL using the client site moniker, which for Internet Explorer
 373         ** is the URL of the page the plugin is embedded into.
 374         */
 375         LPOLECLIENTSITE pClientSite;
 376         if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
 377         {
 378             IBindCtx *pBC = 0;
 379             if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
 380             {
 381                 LPMONIKER pContMoniker = NULL;
 382                 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
 383                                 OLEWHICHMK_CONTAINER, &pContMoniker)) )
 384                 {
 385                     LPOLESTR base_url;
 386                     if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
 387                     {
 388                         /*
 389                         ** check that the moniker name is a URL
 390                         */
 391                         if( UrlIsW(base_url, URLIS_URL) )
 392                         {
 393                             /* copy base URL */
 394                             _bstr_baseurl = SysAllocString(base_url);
 395                         }
 396                         CoTaskMemFree(base_url);
 397                     }
 398                 }
 399             }
 400         }
 401     }
 402     setDirty(FALSE);
 403     return S_OK;
 404 };
 405
 406 HRESULT VLCPlugin::getVLCObject(int* i_vlc)
 407 {
 408     libvlc_instance_t *p_libvlc;
 409     HRESULT result = getVLC(&p_libvlc);
 410     if( SUCCEEDED(result) )
 411     {
 412         *i_vlc = libvlc_get_vlc_id(p_libvlc);
 413     }
 414     else
 415     {
 416         *i_vlc = 0;
 417     }
 418     return result;
 419 }
 420
 421 HRESULT VLCPlugin::getVLC(libvlc_instance_t** pp_libvlc)
 422 {
 423     extern HMODULE DllGetModule();
 424
 425     if( ! isRunning() )
 426     {
 427         /*
 428         ** default initialization options
 429         */
 430         char *ppsz_argv[32] = { "vlc" };
 431         int   ppsz_argc = 1;
 432
 433         char p_progpath[MAX_PATH];
 434         {
 435             TCHAR w_progpath[MAX_PATH];
 436             DWORD len = GetModuleFileName(DllGetModule(), w_progpath, MAX_PATH);
 437             if( len > 0 )
 438             {
 439                 len = WideCharToMultiByte(CP_UTF8, 0, w_progpath, len, p_progpath,
 440                            sizeof(p_progpath)-1, NULL, NULL);
 441                 if( len > 0 )
 442                 {
 443                     p_progpath[len] = '\0';
 444                     ppsz_argv[0] = p_progpath;
 445                 }
 446             }
 447         }
 448
 449         ppsz_argv[ppsz_argc++] = "-vv";
 450
 451         HKEY h_key;
 452         char p_pluginpath[MAX_PATH];
 453         if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, TEXT("Software\\VideoLAN\\VLC"),
 454                           0, KEY_READ, &h_key ) == ERROR_SUCCESS )
 455         {
 456             DWORD i_type, i_data = MAX_PATH;
 457             TCHAR w_pluginpath[MAX_PATH];
 458             if( RegQueryValueEx( h_key, TEXT("InstallDir"), 0, &i_type,
 459                                  (LPBYTE)w_pluginpath, &i_data ) == ERROR_SUCCESS )
 460             {
 461                 if( i_type == REG_SZ )
 462                 {
 463                     if( WideCharToMultiByte(CP_UTF8, 0, w_pluginpath, -1, p_pluginpath,
 464                              sizeof(p_pluginpath)-sizeof("\\plugins")+1, NULL, NULL) )
 465                     {
 466                         strcat( p_pluginpath, "\\plugins" );
 467                         ppsz_argv[ppsz_argc++] = "--plugin-path";
 468                         ppsz_argv[ppsz_argc++] = p_pluginpath;
 469                     }
 470                 }
 471             }
 472             RegCloseKey( h_key );
 473         }
 474
 475         // make sure plugin isn't affected with VLC single instance mode
 476         ppsz_argv[ppsz_argc++] = "--no-one-instance";
 477
 478         /* common settings */
 479         ppsz_argv[ppsz_argc++] = "--no-stats";
 480         ppsz_argv[ppsz_argc++] = "--no-media-library";
 481         ppsz_argv[ppsz_argc++] = "--intf=dummy";
 482
 483         // loop mode is a configuration option only
 484         if( _b_autoloop )
 485             ppsz_argv[ppsz_argc++] = "--loop";
 486
 487         _p_libvlc = libvlc_new(ppsz_argc, ppsz_argv, NULL);
 488         if( NULL == _p_libvlc )
 489         {
 490             *pp_libvlc = NULL;
 491             return E_FAIL;
 492         }
 493
 494         // initial volume setting
 495         libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 496         if( _b_mute )
 497         {
 498             libvlc_audio_set_mute(_p_libvlc, TRUE, NULL);
 499         }
 500
 501         // initial playlist item
 502         if( SysStringLen(_bstr_mrl) > 0 )
 503         {
 504             char *psz_mrl = NULL;
 505
 506             if( SysStringLen(_bstr_baseurl) > 0 )
 507             {
 508                 /*
 509                 ** if the MRL a relative URL, we should end up with an absolute URL
 510                 */
 511                 LPWSTR abs_url = CombineURL(_bstr_baseurl, _bstr_mrl);
 512                 if( NULL != abs_url )
 513                 {
 514                     psz_mrl = CStrFromWSTR(CP_UTF8, abs_url, wcslen(abs_url));
 515                     CoTaskMemFree(abs_url);
 516                 }
 517                 else
 518                 {
 519                     psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 520                 }
 521             }
 522             else
 523             {
 524                 /*
 525                 ** baseURL is empty, assume MRL is absolute
 526                 */
 527                 psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 528             }
 529             if( NULL != psz_mrl )
 530             {
 531                 const char *options[1];
 532                 int i_options = 0;
 533
 534                 char timeBuffer[32];
 535                 if( _i_time )
 536                 {
 537                     snprintf(timeBuffer, sizeof(timeBuffer), ":start-time=%d", _i_time);
 538                     options[i_options++] = timeBuffer;
 539                 }
 540                 // add default target to playlist
 541                 libvlc_playlist_add_extended(_p_libvlc, psz_mrl, NULL, i_options, options, NULL);
 542                 CoTaskMemFree(psz_mrl);
 543             }
 544         }
 545     }
 546     *pp_libvlc = _p_libvlc;
 547     return S_OK;
 548 };
 549
 550 void VLCPlugin::setErrorInfo(REFIID riid, const char *description)
 551 {
 552     vlcSupportErrorInfo->setErrorInfo( getClassID() == CLSID_VLCPlugin2 ?
 553         OLESTR("VideoLAN.VLCPlugin.2") : OLESTR("VideoLAN.VLCPlugin.1"),
 554         riid, description );
 555 };
 556
 557 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
 558 {
 559     VARIANT v;
 560     switch( dispID )
 561     {
 562         case DISPID_AMBIENT_BACKCOLOR:
 563             VariantInit(&v);
 564             V_VT(&v) = VT_I4;
 565             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 566             {
 567                 setBackColor(V_I4(&v));
 568             }
 569             break;
 570         case DISPID_AMBIENT_DISPLAYNAME:
 571             break;
 572         case DISPID_AMBIENT_FONT:
 573             break;
 574         case DISPID_AMBIENT_FORECOLOR:
 575             break;
 576         case DISPID_AMBIENT_LOCALEID:
 577             break;
 578         case DISPID_AMBIENT_MESSAGEREFLECT:
 579             break;
 580         case DISPID_AMBIENT_SCALEUNITS:
 581             break;
 582         case DISPID_AMBIENT_TEXTALIGN:
 583             break;
 584         case DISPID_AMBIENT_USERMODE:
 585             VariantInit(&v);
 586             V_VT(&v) = VT_BOOL;
 587             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 588             {
 589                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 590             }
 591             break;
 592         case DISPID_AMBIENT_UIDEAD:
 593             break;
 594         case DISPID_AMBIENT_SHOWGRABHANDLES:
 595             break;
 596         case DISPID_AMBIENT_SHOWHATCHING:
 597             break;
 598         case DISPID_AMBIENT_DISPLAYASDEFAULT:
 599             break;
 600         case DISPID_AMBIENT_SUPPORTSMNEMONICS:
 601             break;
 602         case DISPID_AMBIENT_AUTOCLIP:
 603             break;
 604         case DISPID_AMBIENT_APPEARANCE:
 605             break;
 606         case DISPID_AMBIENT_CODEPAGE:
 607             VariantInit(&v);
 608             V_VT(&v) = VT_I4;
 609             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 610             {
 611                 setCodePage(V_I4(&v));
 612             }
 613             break;
 614         case DISPID_AMBIENT_PALETTE:
 615             break;
 616         case DISPID_AMBIENT_CHARSET:
 617             break;
 618         case DISPID_AMBIENT_RIGHTTOLEFT:
 619             break;
 620         case DISPID_AMBIENT_TOPTOBOTTOM:
 621             break;
 622         case DISPID_UNKNOWN:
 623             /*
 624             ** multiple property change, look up the ones we are interested in
 625             */
 626             VariantInit(&v);
 627             V_VT(&v) = VT_BOOL;
 628             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
 629             {
 630                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 631             }
 632             VariantInit(&v);
 633             V_VT(&v) = VT_I4;
 634             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
 635             {
 636                 setCodePage(V_I4(&v));
 637             }
 638             break;
 639     }
 640     return S_OK;
 641 };
 642
 643 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
 644 {
 645     if( isInPlaceActive() )
 646     {
 647         onInPlaceDeactivate();
 648     }
 649     if( isRunning() )
 650     {
 651         libvlc_instance_t* p_libvlc = _p_libvlc;
 652
 653         IVLCLog *p_log;
 654         if( SUCCEEDED(vlcControl2->get_log(&p_log)) )
 655         {
 656             // make sure the log is disabled
 657             p_log->put_verbosity(-1);
 658             p_log->Release();
 659         }
 660
 661         _p_libvlc = NULL;
 662         vlcDataObject->onClose();
 663
 664         libvlc_destroy(p_libvlc, NULL );
 665     }
 666     return S_OK;
 667 };
 668
 669 BOOL VLCPlugin::isInPlaceActive(void)
 670 {
 671     return (NULL != _inplacewnd);
 672 };
 673
 674 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 675 {
 676     RECT clipRect = *lprcClipRect;
 677
 678     /*
 679     ** record keeping of control geometry within container
 680     */
 681     _posRect = *lprcPosRect;
 682
 683     /*
 684     ** Create a window for in place activated control.
 685     ** the window geometry matches the control viewport
 686     ** within container so that embedded video is always
 687     ** properly displayed.
 688     */
 689     _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
 690             TEXT("VLC Plugin In-Place Window"),
 691             WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
 692             lprcPosRect->left,
 693             lprcPosRect->top,
 694             lprcPosRect->right-lprcPosRect->left,
 695             lprcPosRect->bottom-lprcPosRect->top,
 696             hwndParent,
 697             0,
 698             _p_class->getHInstance(),
 699             NULL
 700            );
 701
 702     if( NULL == _inplacewnd )
 703         return E_FAIL;
 704
 705     SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
 706
 707     /* change cliprect coordinates system relative to window bounding rect */
 708     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 709
 710     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 711     SetWindowRgn(_inplacewnd, clipRgn, TRUE);
 712
 713     if( _b_usermode )
 714     {
 715         /* will run vlc if not done already */
 716         libvlc_instance_t* p_libvlc;
 717         HRESULT result = getVLC(&p_libvlc);
 718         if( FAILED(result) )
 719             return result;
 720
 721         /* set internal video width and height */
 722         libvlc_video_set_size(p_libvlc,
 723             lprcPosRect->right-lprcPosRect->left,
 724             lprcPosRect->bottom-lprcPosRect->top,
 725             NULL );
 726
 727         /* set internal video parent window */
 728         libvlc_video_set_parent(p_libvlc,
 729             reinterpret_cast<libvlc_drawable_t>(_inplacewnd), NULL);
 730
 731         if( _b_autoplay & (libvlc_playlist_items_count(p_libvlc, NULL) > 0) )
 732         {
 733             libvlc_playlist_play(p_libvlc, 0, 0, NULL, NULL);
 734             fireOnPlayEvent();
 735         }
 736     }
 737
 738     if( isVisible() )
 739         ShowWindow(_inplacewnd, SW_SHOW);
 740
 741     return S_OK;
 742 };
 743
 744 HRESULT VLCPlugin::onInPlaceDeactivate(void)
 745 {
 746     if( isRunning() )
 747     {
 748         libvlc_playlist_stop(_p_libvlc, NULL);
 749         fireOnStopEvent();
 750     }
 751
 752     DestroyWindow(_inplacewnd);
 753     _inplacewnd = NULL;
 754
 755     return S_OK;
 756 };
 757
 758 void VLCPlugin::setVisible(BOOL fVisible)
 759 {
 760     if( fVisible != _b_visible )
 761     {
 762         _b_visible = fVisible;
 763         if( isInPlaceActive() )
 764         {
 765             ShowWindow(_inplacewnd, fVisible ? SW_SHOW : SW_HIDE);
 766             if( fVisible )
 767                 InvalidateRect(_inplacewnd, NULL, TRUE);
 768         }
 769         setDirty(TRUE);
 770         firePropChangedEvent(DISPID_Visible);
 771     }
 772 };
 773
 774 void VLCPlugin::setVolume(int volume)
 775 {
 776     if( volume < 0 )
 777         volume = 0;
 778     else if( volume > 200 )
 779         volume = 200;
 780
 781     if( volume != _i_volume )
 782     {
 783         _i_volume = volume;
 784         if( isRunning() )
 785         {
 786             libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
 787         }
 788         setDirty(TRUE);
 789     }
 790 };
 791
 792 void VLCPlugin::setBackColor(OLE_COLOR backcolor)
 793 {
 794     if( _i_backcolor != backcolor )
 795     {
 796         _i_backcolor = backcolor;
 797         if( isInPlaceActive() )
 798         {
 799
 800         }
 801         setDirty(TRUE);
 802     }
 803 };
 804
 805 void VLCPlugin::setTime(int seconds)
 806 {
 807     if( seconds < 0 )
 808         seconds = 0;
 809
 810     if( seconds != _i_time )
 811     {
 812         setStartTime(_i_time);
 813         if( isRunning() )
 814         {
 815             libvlc_media_instance_t *p_md = libvlc_playlist_get_media_instance(_p_libvlc, NULL);
 816             if( NULL != p_md )
 817             {
 818                 libvlc_media_instance_set_time(p_md, _i_time, NULL);
 819                 libvlc_media_instance_release(p_md);
 820             }
 821         }
 822     }
 823 };
 824
 825 void VLCPlugin::setFocus(BOOL fFocus)
 826 {
 827     if( fFocus )
 828         SetActiveWindow(_inplacewnd);
 829 };
 830
 831 BOOL VLCPlugin::hasFocus(void)
 832 {
 833     return GetActiveWindow() == _inplacewnd;
 834 };
 835
 836 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
 837         HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
 838 {
 839     if( isVisible() )
 840     {
 841         long width = lprcBounds->right-lprcBounds->left;
 842         long height = lprcBounds->bottom-lprcBounds->top;
 843
 844         RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
 845
 846         if( isUserMode() )
 847         {
 848             /* VLC is in user mode, just draw background color */
 849             COLORREF colorref = RGB(0, 0, 0);
 850             OleTranslateColor(_i_backcolor, (HPALETTE)GetStockObject(DEFAULT_PALETTE), &colorref);
 851             if( colorref != RGB(0, 0, 0) )
 852             {
 853                 /* custom background */
 854                 HBRUSH colorbrush = CreateSolidBrush(colorref);
 855                 FillRect(hdcDraw, &bounds, colorbrush);
 856                 DeleteObject((HANDLE)colorbrush);
 857             }
 858             else
 859             {
 860                 /* black background */
 861                 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(BLACK_BRUSH));
 862             }
 863         }
 864         else
 865         {
 866             /* VLC is in design mode, draw the VLC logo */
 867             FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
 868
 869             LPPICTURE pict = getPicture();
 870             if( NULL != pict )
 871             {
 872                 OLE_XSIZE_HIMETRIC picWidth;
 873                 OLE_YSIZE_HIMETRIC picHeight;
 874
 875                 pict->get_Width(&picWidth);
 876                 pict->get_Height(&picHeight);
 877
 878                 SIZEL picSize = { picWidth, picHeight };
 879
 880                 if( NULL != hicTargetDev )
 881                 {
 882                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 883                 }
 884                 else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
 885                 {
 886                     DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 887                     DeleteDC(hicTargetDev);
 888                 }
 889
 890                 if( picSize.cx > width-4 )
 891                     picSize.cx = width-4;
 892                 if( picSize.cy > height-4 )
 893                     picSize.cy = height-4;
 894
 895                 LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
 896                 LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
 897
 898                 if( NULL != lprcWBounds )
 899                 {
 900                     RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
 901                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 902                             0L, picHeight, picWidth, -picHeight, &wBounds);
 903                 }
 904                 else
 905                     pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 906                             0L, picHeight, picWidth, -picHeight, NULL);
 907
 908                 pict->Release();
 909             }
 910
 911             SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
 912
 913             MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
 914             LineTo(hdcDraw, bounds.left+width-1, bounds.top);
 915             LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
 916             LineTo(hdcDraw, bounds.left, bounds.top+height-1);
 917             LineTo(hdcDraw, bounds.left, bounds.top);
 918         }
 919     }
 920 };
 921
 922 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
 923 {
 924     if( isVisible() )
 925     {
 926         /* if VLC is in design mode, draw control logo */
 927         HDC hdcDraw = CreateCompatibleDC(hdc);
 928         if( NULL != hdcDraw )
 929         {
 930             SIZEL size = getExtent();
 931             DPFromHimetric(hdc, (LPPOINT)&size, 1);
 932             RECTL posRect = { 0, 0, size.cx, size.cy };
 933
 934             int width = bounds.right-bounds.left;
 935             int height = bounds.bottom-bounds.top;
 936
 937             HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
 938             if( NULL != hBitmap )
 939             {
 940                 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
 941
 942                 if( (size.cx != width) || (size.cy != height) )
 943                 {
 944                     // needs to scale canvas
 945                     SetMapMode(hdcDraw, MM_ANISOTROPIC);
 946                     SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
 947                     SetViewportExtEx(hdcDraw, width, height, NULL);
 948                 }
 949
 950                 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
 951
 952                 SetMapMode(hdcDraw, MM_TEXT);
 953                 BitBlt(hdc, bounds.left, bounds.top,
 954                         width, height,
 955                         hdcDraw, 0, 0,
 956                         SRCCOPY);
 957
 958                 SelectObject(hdcDraw, oldBmp);
 959                 DeleteObject(hBitmap);
 960             }
 961             DeleteDC(hdcDraw);
 962         }
 963     }
 964 };
 965
 966 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 967 {
 968     RECT clipRect = *lprcClipRect;
 969
 970     //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
 971
 972     /*
 973     ** record keeping of control geometry within container
 974     */
 975     _posRect = *lprcPosRect;
 976
 977     /*
 978     ** change in-place window geometry to match clipping region
 979     */
 980     SetWindowPos(_inplacewnd, NULL,
 981             lprcPosRect->left,
 982             lprcPosRect->top,
 983             lprcPosRect->right-lprcPosRect->left,
 984             lprcPosRect->bottom-lprcPosRect->top,
 985             SWP_NOACTIVATE|
 986             SWP_NOCOPYBITS|
 987             SWP_NOZORDER|
 988             SWP_NOOWNERZORDER );
 989
 990     /* change cliprect coordinates system relative to window bounding rect */
 991     OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
 992     HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
 993     SetWindowRgn(_inplacewnd, clipRgn, FALSE);
 994
 995     //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
 996     if( isRunning() )
 997     {
 998         libvlc_video_set_size(_p_libvlc,
 999             lprcPosRect->right-lprcPosRect->left,
1000             lprcPosRect->bottom-lprcPosRect->top,
1001             NULL );
1002     }
1003 };
1004
1005 void VLCPlugin::freezeEvents(BOOL freeze)
1006 {
1007     vlcConnectionPointContainer->freezeEvents(freeze);
1008 };
1009
1010 void VLCPlugin::firePropChangedEvent(DISPID dispid)
1011 {
1012     vlcConnectionPointContainer->firePropChangedEvent(dispid);
1013 };
1014
1015 void VLCPlugin::fireOnPlayEvent(void)
1016 {
1017     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1018     vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1019 };
1020
1021 void VLCPlugin::fireOnPauseEvent(void)
1022 {
1023     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1024     vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1025 };
1026
1027 void VLCPlugin::fireOnStopEvent(void)
1028 {
1029     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1030     vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);
1031 };