git.sesse.net Git - vlc/blob - activex/plugin.cpp

   1 /*****************************************************************************
   2  * plugin.cpp: ActiveX control for VLC
   3  *****************************************************************************
   4  * Copyright (C) 2005 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 "viewobject.h"
  37 #include "dataobject.h"
  38
  39 #include "utils.h"
  40
  41 #include <string.h>
  42 #include <winreg.h>
  43 #include <winuser.h>
  44 #include <servprov.h>
  45 #include <shlwapi.h>
  46 #include <wininet.h>
  47
  48 using namespace std;
  49
  50 ////////////////////////////////////////////////////////////////////////
  51 //class factory
  52
  53 // {E23FE9C6-778E-49d4-B537-38FCDE4887D8}
  54 //const GUID CLSID_VLCPlugin =
  55 //    { 0xe23fe9c6, 0x778e, 0x49d4, { 0xb5, 0x37, 0x38, 0xfc, 0xde, 0x48, 0x87, 0xd8 } };
  56
  57 static LRESULT CALLBACK VLCInPlaceClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
  58     switch( uMsg )
  59     {
  60         case WM_ERASEBKGND:
  61             return 1L;
  62
  63         case WM_PAINT:
  64             PAINTSTRUCT ps;
  65             if( GetUpdateRect(hWnd, NULL, FALSE) )
  66             {
  67                 BeginPaint(hWnd, &ps);
  68                 EndPaint(hWnd, &ps);
  69             }
  70             return 0L;
  71
  72         default:
  73             return DefWindowProc(hWnd, uMsg, wParam, lParam);
  74     }
  75 };
  76
  77 static LRESULT CALLBACK VLCVideoClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
  78     VLCPlugin *p_instance = reinterpret_cast<VLCPlugin *>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
  79
  80     switch( uMsg )
  81     {
  82         case WM_ERASEBKGND:
  83             return 1L;
  84
  85         case WM_PAINT:
  86             PAINTSTRUCT ps;
  87             RECT pr;
  88             if( GetUpdateRect(hWnd, &pr, FALSE) )
  89             {
  90                 RECT bounds;
  91                 GetClientRect(hWnd, &bounds);
  92                 BeginPaint(hWnd, &ps);
  93                 p_instance->onPaint(ps.hdc, bounds, pr);
  94                 EndPaint(hWnd, &ps);
  95             }
  96             return 0L;
  97
  98         default:
  99             return DefWindowProc(hWnd, uMsg, wParam, lParam);
 100     }
 101 };
 102
 103 VLCPluginClass::VLCPluginClass(LONG *p_class_ref, HINSTANCE hInstance) :
 104     _p_class_ref(p_class_ref),
 105     _hinstance(hInstance),
 106     _inplace_picture(NULL)
 107 {
 108     WNDCLASS wClass;
 109
 110     if( ! GetClassInfo(hInstance, getInPlaceWndClassName(), &wClass) )
 111     {
 112         wClass.style          = CS_NOCLOSE|CS_DBLCLKS;
 113         wClass.lpfnWndProc    = VLCInPlaceClassWndProc;
 114         wClass.cbClsExtra     = 0;
 115         wClass.cbWndExtra     = 0;
 116         wClass.hInstance      = hInstance;
 117         wClass.hIcon          = NULL;
 118         wClass.hCursor        = LoadCursor(NULL, IDC_ARROW);
 119         wClass.hbrBackground  = NULL;
 120         wClass.lpszMenuName   = NULL;
 121         wClass.lpszClassName  = getInPlaceWndClassName();
 122
 123         _inplace_wndclass_atom = RegisterClass(&wClass);
 124     }
 125     else
 126     {
 127         _inplace_wndclass_atom = 0;
 128     }
 129
 130     if( ! GetClassInfo(hInstance, getVideoWndClassName(), &wClass) )
 131     {
 132         wClass.style          = CS_NOCLOSE;
 133         wClass.lpfnWndProc    = VLCVideoClassWndProc;
 134         wClass.cbClsExtra     = 0;
 135         wClass.cbWndExtra     = 0;
 136         wClass.hInstance      = hInstance;
 137         wClass.hIcon          = NULL;
 138         wClass.hCursor        = LoadCursor(NULL, IDC_ARROW);
 139         wClass.hbrBackground  = NULL;
 140         wClass.lpszMenuName   = NULL;
 141         wClass.lpszClassName  = getVideoWndClassName();
 142
 143         _video_wndclass_atom = RegisterClass(&wClass);
 144     }
 145     else
 146     {
 147         _video_wndclass_atom = 0;
 148     }
 149
 150     HBITMAP hbitmap = (HBITMAP)LoadImage(getHInstance(), TEXT("INPLACE-PICT"), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
 151     if( NULL != hbitmap )
 152     {
 153         PICTDESC pictDesc;
 154
 155         pictDesc.cbSizeofstruct = sizeof(PICTDESC);
 156         pictDesc.picType        = PICTYPE_BITMAP;
 157         pictDesc.bmp.hbitmap    = hbitmap;
 158         pictDesc.bmp.hpal       = NULL;
 159
 160         if( FAILED(OleCreatePictureIndirect(&pictDesc, IID_IPicture, TRUE, reinterpret_cast<LPVOID*>(&_inplace_picture))) )
 161             _inplace_picture = NULL;
 162     }
 163     AddRef();
 164 };
 165
 166 VLCPluginClass::~VLCPluginClass()
 167 {
 168     if( 0 != _inplace_wndclass_atom )
 169         UnregisterClass(MAKEINTATOM(_inplace_wndclass_atom), _hinstance);
 170
 171     if( 0 != _video_wndclass_atom )
 172         UnregisterClass(MAKEINTATOM(_video_wndclass_atom), _hinstance);
 173
 174     if( NULL != _inplace_picture )
 175         _inplace_picture->Release();
 176 };
 177
 178 STDMETHODIMP VLCPluginClass::QueryInterface(REFIID riid, void **ppv)
 179 {
 180     if( NULL == ppv )
 181         return E_INVALIDARG;
 182
 183     if( (IID_IUnknown == riid) || (IID_IClassFactory == riid) )
 184     {
 185         AddRef();
 186         *ppv = reinterpret_cast<LPVOID>(this);
 187
 188         return NOERROR;
 189     }
 190
 191     *ppv = NULL;
 192
 193     return E_NOINTERFACE;
 194 };
 195
 196 STDMETHODIMP_(ULONG) VLCPluginClass::AddRef(void)
 197 {
 198     return InterlockedIncrement(_p_class_ref);
 199 };
 200
 201 STDMETHODIMP_(ULONG) VLCPluginClass::Release(void)
 202 {
 203     ULONG refcount = InterlockedDecrement(_p_class_ref);
 204     if( 0 == refcount )
 205     {
 206         delete this;
 207         return 0;
 208     }
 209     return refcount;
 210 };
 211
 212 STDMETHODIMP VLCPluginClass::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv)
 213 {
 214     if( NULL == ppv )
 215         return E_POINTER;
 216
 217     *ppv = NULL;
 218
 219     if( (NULL != pUnkOuter) && (IID_IUnknown != riid) ) {
 220         return CLASS_E_NOAGGREGATION;
 221     }
 222
 223     VLCPlugin *plugin = new VLCPlugin(this, pUnkOuter);
 224     if( NULL != plugin )
 225     {
 226         HRESULT hr = plugin->QueryInterface(riid, ppv);
 227         plugin->Release();
 228         return hr;
 229     }
 230     return E_OUTOFMEMORY;
 231 };
 232
 233 STDMETHODIMP VLCPluginClass::LockServer(BOOL fLock)
 234 {
 235     if( fLock )
 236         AddRef();
 237     else
 238         Release();
 239
 240     return S_OK;
 241 };
 242
 243 ////////////////////////////////////////////////////////////////////////
 244
 245 VLCPlugin::VLCPlugin(VLCPluginClass *p_class, LPUNKNOWN pUnkOuter) :
 246     _inplacewnd(NULL),
 247     _videownd(NULL),
 248     _p_class(p_class),
 249     _i_ref(1UL),
 250     _i_codepage(CP_ACP),
 251     _b_usermode(TRUE),
 252     _i_vlc(0)
 253 {
 254     p_class->AddRef();
 255
 256     vlcOleControl = new VLCOleControl(this);
 257     vlcOleInPlaceObject = new VLCOleInPlaceObject(this);
 258     vlcOleInPlaceActiveObject = new VLCOleInPlaceActiveObject(this);
 259     vlcPersistStorage = new VLCPersistStorage(this);
 260     vlcPersistStreamInit = new VLCPersistStreamInit(this);
 261     vlcPersistPropertyBag = new VLCPersistPropertyBag(this);
 262     vlcProvideClassInfo = new VLCProvideClassInfo(this);
 263     vlcConnectionPointContainer = new VLCConnectionPointContainer(this);
 264     vlcObjectSafety = new VLCObjectSafety(this);
 265     vlcControl = new VLCControl(this);
 266     vlcViewObject = new VLCViewObject(this);
 267     vlcDataObject = new VLCDataObject(this);
 268     vlcOleObject = new VLCOleObject(this);
 269
 270     // configure controlling IUnknown interface for implemented interfaces
 271     this->pUnkOuter = (NULL != pUnkOuter) ? pUnkOuter : dynamic_cast<LPUNKNOWN>(this);
 272
 273     // default picure
 274     _p_pict = p_class->getInPlacePict();
 275
 276     // make sure that persistable properties are initialized
 277     onInit();
 278 };
 279
 280 VLCPlugin::~VLCPlugin()
 281 {
 282     delete vlcOleObject;
 283     delete vlcDataObject;
 284     delete vlcViewObject;
 285     delete vlcControl;
 286     delete vlcConnectionPointContainer;
 287     delete vlcProvideClassInfo;
 288     delete vlcPersistPropertyBag;
 289     delete vlcPersistStreamInit;
 290     delete vlcPersistStorage;
 291     delete vlcOleInPlaceActiveObject;
 292     delete vlcOleInPlaceObject;
 293     delete vlcObjectSafety;
 294
 295     delete vlcOleControl;
 296     if( _p_pict )
 297         _p_pict->Release();
 298
 299     SysFreeString(_bstr_mrl);
 300
 301     _p_class->Release();
 302 };
 303
 304 STDMETHODIMP VLCPlugin::QueryInterface(REFIID riid, void **ppv)
 305 {
 306     if( NULL == ppv )
 307         return E_INVALIDARG;
 308
 309     if( IID_IUnknown == riid )
 310         *ppv = reinterpret_cast<LPVOID>(this);
 311     else if( IID_IOleObject == riid )
 312         *ppv = reinterpret_cast<LPVOID>(vlcOleObject);
 313     else if( IID_IOleControl == riid )
 314         *ppv = reinterpret_cast<LPVOID>(vlcOleControl);
 315     else if( IID_IOleWindow == riid )
 316         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 317     else if( IID_IOleInPlaceObject == riid )
 318         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
 319     else if( IID_IOleInPlaceActiveObject == riid )
 320         *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceActiveObject);
 321     else if( IID_IPersist == riid )
 322         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 323     else if( IID_IPersistStreamInit == riid )
 324         *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
 325     else if( IID_IPersistStorage == riid )
 326         *ppv = reinterpret_cast<LPVOID>(vlcPersistStorage);
 327     else if( IID_IPersistPropertyBag == riid )
 328         *ppv = reinterpret_cast<LPVOID>(vlcPersistPropertyBag);
 329     else if( IID_IProvideClassInfo == riid )
 330         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 331     else if( IID_IProvideClassInfo2 == riid )
 332         *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
 333     else if( IID_IConnectionPointContainer == riid )
 334         *ppv = reinterpret_cast<LPVOID>(vlcConnectionPointContainer);
 335     else if( IID_IObjectSafety == riid )
 336         *ppv = reinterpret_cast<LPVOID>(vlcObjectSafety);
 337     else if( IID_IDispatch == riid )
 338         *ppv = reinterpret_cast<LPVOID>(vlcControl);
 339     else if( IID_IVLCControl == riid )
 340         *ppv = reinterpret_cast<LPVOID>(vlcControl);
 341     else if( IID_IViewObject == riid )
 342         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 343     else if( IID_IViewObject2 == riid )
 344         *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
 345     else if( IID_IDataObject == riid )
 346         *ppv = reinterpret_cast<LPVOID>(vlcDataObject);
 347     else
 348     {
 349         *ppv = NULL;
 350         return E_NOINTERFACE;
 351     }
 352     ((LPUNKNOWN)*ppv)->AddRef();
 353     return NOERROR;
 354 };
 355
 356 STDMETHODIMP_(ULONG) VLCPlugin::AddRef(void)
 357 {
 358     return InterlockedIncrement((LONG *)&_i_ref);
 359 };
 360
 361 STDMETHODIMP_(ULONG) VLCPlugin::Release(void)
 362 {
 363     if( ! InterlockedDecrement((LONG *)&_i_ref) )
 364     {
 365         delete this;
 366         return 0;
 367     }
 368     return _i_ref;
 369 };
 370
 371 //////////////////////////////////////
 372
 373 /*
 374 ** we use a window to represent plugin viewport,
 375 ** whose geometry is limited by the clipping rectangle
 376 ** all drawing within this window must follow must
 377 ** follow coordinates system described in lprPosRect
 378 */
 379
 380 static void getViewportCoords(LPRECT lprPosRect, LPRECT lprClipRect)
 381 {
 382     RECT bounds;
 383     bounds.right  = lprPosRect->right-lprPosRect->left;
 384
 385     if( lprClipRect->left <= lprPosRect->left )
 386     {
 387         // left side is not clipped out
 388         bounds.left = 0;
 389
 390         if( lprClipRect->right >= lprPosRect->right )
 391         {
 392             // right side is not clipped out, no change
 393         }
 394         else if( lprClipRect->right >= lprPosRect->left )
 395         {
 396             // right side is clipped out
 397             lprPosRect->right = lprClipRect->right;
 398         }
 399         else
 400         {
 401             // outside of clipping rectange, not visible
 402             lprPosRect->right = lprPosRect->left;
 403         }
 404     }
 405     else
 406     {
 407         // left side is clipped out
 408         bounds.left = lprPosRect->left-lprClipRect->left;
 409         bounds.right += bounds.left;
 410
 411         lprPosRect->left = lprClipRect->left;
 412         if( lprClipRect->right >= lprPosRect->right )
 413         {
 414             // right side is not clipped out
 415         }
 416         else
 417         {
 418             // right side is clipped out
 419             lprPosRect->right = lprClipRect->right;
 420         }
 421     }
 422
 423     bounds.bottom = lprPosRect->bottom-lprPosRect->top;
 424
 425     if( lprClipRect->top <= lprPosRect->top )
 426     {
 427         // top side is not clipped out
 428         bounds.top = 0;
 429
 430         if( lprClipRect->bottom >= lprPosRect->bottom )
 431         {
 432             // bottom side is not clipped out, no change
 433         }
 434         else if( lprClipRect->bottom >= lprPosRect->top )
 435         {
 436             // bottom side is clipped out
 437             lprPosRect->bottom = lprClipRect->bottom;
 438         }
 439         else
 440         {
 441             // outside of clipping rectange, not visible
 442             lprPosRect->right = lprPosRect->left;
 443         }
 444     }
 445     else
 446     {
 447         bounds.top = lprPosRect->top-lprClipRect->top;
 448         bounds.bottom += bounds.top;
 449
 450         lprPosRect->top = lprClipRect->top;
 451         if( lprClipRect->bottom >= lprPosRect->bottom )
 452         {
 453             // bottom side is not clipped out
 454         }
 455         else
 456         {
 457             // bottom side is clipped out
 458             lprPosRect->bottom = lprClipRect->bottom;
 459         }
 460     }
 461     *lprClipRect = *lprPosRect;
 462     *lprPosRect  = bounds;
 463 };
 464
 465 HRESULT VLCPlugin::onInit(void)
 466 {
 467     if( 0 == _i_vlc )
 468     {
 469         // initialize persistable properties
 470         _bstr_mrl = NULL;
 471         _b_autoplay = TRUE;
 472         _b_autoloop = FALSE;
 473         _b_visible = TRUE;
 474         _b_mute = FALSE;
 475         _i_volume = 50;
 476         // set default/preferred size (320x240) pixels in HIMETRIC
 477         HDC hDC = CreateDevDC(NULL);
 478         _extent.cx = 320;
 479         _extent.cy = 240;
 480         HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
 481         DeleteDC(hDC);
 482
 483         return S_OK;
 484     }
 485     return CO_E_ALREADYINITIALIZED;
 486 };
 487
 488 HRESULT VLCPlugin::onLoad(void)
 489 {
 490     if( SysStringLen(_bstr_mrl) > 0 )
 491     {
 492         /*
 493         ** try to combine MRL with client site moniker, which for Internet Explorer
 494         ** is the URL of the page the plugin is embedded into. Hence, if the MRL
 495         ** is a relative URL, we should end up with an absolute URL
 496         */
 497         LPOLECLIENTSITE pClientSite;
 498         if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
 499         {
 500             IBindCtx *pBC = 0;
 501             if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
 502             {
 503                 LPMONIKER pContMoniker = NULL;
 504                 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
 505                                 OLEWHICHMK_CONTAINER, &pContMoniker)) )
 506                 {
 507                     LPOLESTR base_url;
 508                     if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
 509                     {
 510                         /*
 511                         ** check that the moniker name is a URL
 512                         */
 513                         if( UrlIsW(base_url, URLIS_URL) )
 514                         {
 515                             DWORD len = INTERNET_MAX_URL_LENGTH;
 516                             LPOLESTR abs_url = (LPOLESTR)CoTaskMemAlloc(sizeof(OLECHAR)*len);
 517                             if( NULL != abs_url )
 518                             {
 519                                 if( SUCCEEDED(UrlCombineW(base_url, _bstr_mrl, abs_url, &len,
 520                                                 URL_ESCAPE_UNSAFE|URL_PLUGGABLE_PROTOCOL)) )
 521                                 {
 522                                     SysFreeString(_bstr_mrl);
 523                                     _bstr_mrl = SysAllocStringLen(abs_url, len);
 524                                 }
 525                                 CoTaskMemFree(abs_url);
 526                             }
 527                         }
 528                         CoTaskMemFree(base_url);
 529                     }
 530                     pContMoniker->Release();
 531                 }
 532                 pBC->Release();
 533             }
 534             pClientSite->Release();
 535         }
 536     }
 537     setDirty(FALSE);
 538     return S_OK;
 539 };
 540
 541 HRESULT VLCPlugin::onRun(void)
 542 {
 543     if( ! isRunning() )
 544     {
 545         _i_vlc = VLC_Create();
 546         if( _i_vlc < 0 )
 547         {
 548             _i_vlc = 0;
 549             return E_FAIL;
 550         }
 551
 552         /*
 553         ** default initialization options
 554         */
 555         char *ppsz_argv[10] = { "vlc", };
 556         int   ppsz_argc = 1;
 557
 558         HKEY h_key;
 559         DWORD i_type, i_data = MAX_PATH + 1;
 560         char p_data[MAX_PATH + 1];
 561         if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, "Software\\VideoLAN\\VLC",
 562                           0, KEY_READ, &h_key ) == ERROR_SUCCESS )
 563         {
 564              if( RegQueryValueEx( h_key, "InstallDir", 0, &i_type,
 565                                   (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS )
 566              {
 567                  if( i_type == REG_SZ )
 568                  {
 569                      strcat( p_data, "\\vlc" );
 570                      ppsz_argv[0] = p_data;
 571                  }
 572              }
 573              RegCloseKey( h_key );
 574         }
 575
 576 #if 1
 577         ppsz_argv[0] = "C:\\cygwin\\home\\Damien_Fouilleul\\dev\\videolan\\vlc-trunk\\vlc";
 578 #endif
 579
 580         // make sure plugin isn't affected with VLC single instance mode
 581         ppsz_argv[ppsz_argc++] = "--no-one-instance";
 582
 583         // loop mode is a configuration option only
 584         if( _b_autoloop )
 585             ppsz_argv[ppsz_argc++] = "--loop";
 586
 587         if( IsDebuggerPresent() )
 588         {
 589             /*
 590             ** VLC default threading mechanism is designed to be as compatible
 591             ** with POSIX as possible, however when debugged on win32, threads
 592             ** lose signals and eventually VLC get stuck during initialization.
 593             ** threading support can be configured to be more debugging friendly
 594             ** but it will be less compatible with POSIX.
 595             ** This is done by initializing with the following options
 596             */
 597             ppsz_argv[ppsz_argc++] = "--fast-mutex";
 598             ppsz_argv[ppsz_argc++] = "--win9x-cv-method=1";
 599         }
 600
 601         if( VLC_Init(_i_vlc, ppsz_argc, ppsz_argv) )
 602         {
 603             VLC_Destroy(_i_vlc);
 604             _i_vlc = 0;
 605             return E_FAIL;
 606         }
 607
 608         VLC_VolumeSet(_i_vlc, _i_volume);
 609
 610         if( _b_mute )
 611             VLC_VolumeMute(_i_vlc);
 612
 613         char *psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
 614         if( NULL != psz_mrl )
 615         {
 616             // add default target to playlist
 617             VLC_AddTarget(_i_vlc, psz_mrl, NULL, 0, PLAYLIST_APPEND, PLAYLIST_END);
 618             CoTaskMemFree(psz_mrl);
 619         }
 620     }
 621     return S_OK;
 622 };
 623
 624 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
 625 {
 626     VARIANT v;
 627     switch( dispID )
 628     {
 629         case DISPID_AMBIENT_BACKCOLOR:
 630             break;
 631         case DISPID_AMBIENT_DISPLAYNAME:
 632             break;
 633         case DISPID_AMBIENT_FONT:
 634             break;
 635         case DISPID_AMBIENT_FORECOLOR:
 636             break;
 637         case DISPID_AMBIENT_LOCALEID:
 638             break;
 639         case DISPID_AMBIENT_MESSAGEREFLECT:
 640             break;
 641         case DISPID_AMBIENT_SCALEUNITS:
 642             break;
 643         case DISPID_AMBIENT_TEXTALIGN:
 644             break;
 645         case DISPID_AMBIENT_USERMODE:
 646             VariantInit(&v);
 647             V_VT(&v) = VT_BOOL;
 648             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 649             {
 650                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 651             }
 652             break;
 653         case DISPID_AMBIENT_UIDEAD:
 654             break;
 655         case DISPID_AMBIENT_SHOWGRABHANDLES:
 656             break;
 657         case DISPID_AMBIENT_SHOWHATCHING:
 658             break;
 659         case DISPID_AMBIENT_DISPLAYASDEFAULT:
 660             break;
 661         case DISPID_AMBIENT_SUPPORTSMNEMONICS:
 662             break;
 663         case DISPID_AMBIENT_AUTOCLIP:
 664             break;
 665         case DISPID_AMBIENT_APPEARANCE:
 666             break;
 667         case DISPID_AMBIENT_CODEPAGE:
 668             VariantInit(&v);
 669             V_VT(&v) = VT_I4;
 670             if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
 671             {
 672                 setCodePage(V_I4(&v));
 673             }
 674             break;
 675         case DISPID_AMBIENT_PALETTE:
 676             break;
 677         case DISPID_AMBIENT_CHARSET:
 678             break;
 679         case DISPID_AMBIENT_RIGHTTOLEFT:
 680             break;
 681         case DISPID_AMBIENT_TOPTOBOTTOM:
 682             break;
 683         case DISPID_UNKNOWN:
 684             /*
 685             ** multiple property change, look up the ones we are interested in
 686             */
 687             VariantInit(&v);
 688             V_VT(&v) = VT_BOOL;
 689             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
 690             {
 691                 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
 692             }
 693             VariantInit(&v);
 694             V_VT(&v) = VT_I4;
 695             if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
 696             {
 697                 setCodePage(V_I4(&v));
 698             }
 699             break;
 700     }
 701     return S_OK;
 702 };
 703
 704 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
 705 {
 706     if( isInPlaceActive() )
 707     {
 708         onInPlaceDeactivate();
 709     }
 710     if( isRunning() )
 711     {
 712         int i_vlc = _i_vlc;
 713
 714         _i_vlc = 0;
 715         vlcDataObject->onClose();
 716
 717         VLC_CleanUp(i_vlc);
 718         VLC_Destroy(i_vlc);
 719     }
 720     return S_OK;
 721 };
 722
 723 BOOL VLCPlugin::isInPlaceActive(void)
 724 {
 725     return (NULL != _inplacewnd);
 726 };
 727
 728 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 729 {
 730     RECT posRect = *lprcPosRect;
 731     RECT clipRect = *lprcClipRect;
 732
 733     /*
 734     ** record keeping of control geometry within container
 735     */
 736     _posRect = posRect;
 737
 738     /*
 739     ** convert posRect & clipRect to match control viewport coordinates
 740     */
 741     getViewportCoords(&posRect, &clipRect);
 742
 743     /*
 744     ** Create a window for in place activated control.
 745     ** the window geometry matches the control viewport
 746     ** within container so that embedded video is always
 747     ** properly clipped.
 748     */
 749     _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
 750             "VLC Plugin In-Place Window",
 751             WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
 752             clipRect.left,
 753             clipRect.top,
 754             clipRect.right-clipRect.left,
 755             clipRect.bottom-clipRect.top,
 756             hwndParent,
 757             0,
 758             _p_class->getHInstance(),
 759             NULL
 760            );
 761
 762     if( NULL == _inplacewnd )
 763         return E_FAIL;
 764
 765     SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
 766
 767     /*
 768     ** VLC embedded video automatically grows to cover client
 769     ** area of parent window.
 770     ** hence create a such a 'parent' window whose geometry
 771     ** is always correct relative to the viewport bounds
 772     */
 773     _videownd = CreateWindow(_p_class->getVideoWndClassName(),
 774             "VLC Plugin Video Window",
 775             WS_CHILD|WS_CLIPCHILDREN|WS_VISIBLE,
 776             posRect.left,
 777             posRect.top,
 778             posRect.right-posRect.left,
 779             posRect.bottom-posRect.top,
 780             _inplacewnd,
 781             0,
 782             _p_class->getHInstance(),
 783             NULL
 784            );
 785
 786     if( NULL == _videownd )
 787     {
 788         DestroyWindow(_inplacewnd);
 789         return E_FAIL;
 790     }
 791
 792     SetWindowLongPtr(_videownd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
 793
 794     if( getVisible() )
 795         ShowWindow(_inplacewnd, SW_SHOW);
 796
 797     if( _b_usermode )
 798     {
 799         /* run vlc if not done already */
 800         HRESULT result = onRun();
 801         if( FAILED(result) )
 802             return result;
 803
 804         /* set internal video width and height */
 805         vlc_value_t val;
 806         val.i_int = posRect.right-posRect.left;
 807         VLC_VariableSet(_i_vlc, "conf::width", val);
 808         val.i_int = posRect.bottom-posRect.top;
 809         VLC_VariableSet(_i_vlc, "conf::height", val);
 810
 811         /* set internal video parent window */
 812         /* horrible cast there */
 813         val.i_int = reinterpret_cast<int>(_videownd);
 814         VLC_VariableSet(_i_vlc, "drawable", val);
 815
 816         if( _b_autoplay & (VLC_PlaylistNumberOfItems(_i_vlc) > 0) )
 817         {
 818             VLC_Play(_i_vlc);
 819             fireOnPlayEvent();
 820         }
 821     }
 822     return S_OK;
 823 };
 824
 825 HRESULT VLCPlugin::onInPlaceDeactivate(void)
 826 {
 827     if( isRunning() )
 828     {
 829         VLC_Stop(_i_vlc);
 830         fireOnStopEvent();
 831     }
 832
 833     DestroyWindow(_videownd);
 834     _videownd = NULL;
 835     DestroyWindow(_inplacewnd);
 836     _inplacewnd = NULL;
 837
 838     return S_OK;
 839 };
 840
 841 void VLCPlugin::setVisible(BOOL fVisible)
 842 {
 843     if( fVisible != _b_visible )
 844     {
 845         _b_visible = fVisible;
 846         if( isInPlaceActive() )
 847         {
 848             ShowWindow(_inplacewnd, fVisible ? SW_SHOW : SW_HIDE);
 849             if( fVisible )
 850                 InvalidateRect(_videownd, NULL, TRUE);
 851         }
 852         setDirty(TRUE);
 853         firePropChangedEvent(DISPID_Visible);
 854     }
 855 };
 856
 857 void VLCPlugin::setVolume(int volume)
 858 {
 859     if( volume < 0 )
 860         volume = 0;
 861     else if( volume > 200 )
 862         volume = 200;
 863
 864     if( volume != _i_volume )
 865     {
 866         _i_volume = volume;
 867         if( isRunning() )
 868         {
 869             VLC_VolumeSet(_i_vlc, _i_volume);
 870         }
 871         setDirty(TRUE);
 872     }
 873 };
 874
 875 void VLCPlugin::setFocus(BOOL fFocus)
 876 {
 877     if( fFocus )
 878         SetActiveWindow(_inplacewnd);
 879 };
 880
 881 BOOL VLCPlugin::hasFocus(void)
 882 {
 883     return GetActiveWindow() == _inplacewnd;
 884 };
 885
 886 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
 887         HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
 888 {
 889     if( getVisible() )
 890     {
 891         long width = lprcBounds->right-lprcBounds->left;
 892         long height = lprcBounds->bottom-lprcBounds->top;
 893
 894         RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
 895         FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
 896
 897         LPPICTURE pict = getPicture();
 898         if( NULL != pict )
 899         {
 900             OLE_XSIZE_HIMETRIC picWidth;
 901             OLE_YSIZE_HIMETRIC picHeight;
 902
 903             pict->get_Width(&picWidth);
 904             pict->get_Height(&picHeight);
 905
 906             SIZEL picSize = { picWidth, picHeight };
 907
 908             if( NULL != hicTargetDev )
 909             {
 910                 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 911             }
 912             else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
 913             {
 914                 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
 915                 DeleteDC(hicTargetDev);
 916             }
 917
 918             if( picSize.cx > width-4 )
 919                 picSize.cx = width-4;
 920             if( picSize.cy > height-4 )
 921                 picSize.cy = height-4;
 922
 923             LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
 924             LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
 925
 926             if( NULL != lprcWBounds )
 927             {
 928                 RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
 929                 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 930                         0L, picHeight, picWidth, -picHeight, &wBounds);
 931             }
 932             else
 933                 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
 934                         0L, picHeight, picWidth, -picHeight, NULL);
 935
 936             pict->Release();
 937         }
 938
 939         SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
 940
 941         MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
 942         LineTo(hdcDraw, bounds.left+width-1, bounds.top);
 943         LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
 944         LineTo(hdcDraw, bounds.left, bounds.top+height-1);
 945         LineTo(hdcDraw, bounds.left, bounds.top);
 946     }
 947 };
 948
 949 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
 950 {
 951     if( getVisible() )
 952     {
 953         /** if VLC is playing, it may not display any VIDEO content
 954         ** hence, draw control logo*/
 955         HDC hdcDraw = CreateCompatibleDC(hdc);
 956         if( NULL != hdcDraw )
 957         {
 958             SIZEL size = getExtent();
 959             DPFromHimetric(hdc, (LPPOINT)&size, 1);
 960             RECTL posRect = { 0, 0, size.cx, size.cy };
 961
 962             int width = bounds.right-bounds.left;
 963             int height = bounds.bottom-bounds.top;
 964
 965             HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
 966             if( NULL != hBitmap )
 967             {
 968                 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
 969
 970                 if( (size.cx != width) || (size.cy != height) )
 971                 {
 972                     // needs to scale canvas
 973                     SetMapMode(hdcDraw, MM_ANISOTROPIC);
 974                     SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
 975                     SetViewportExtEx(hdcDraw, width, height, NULL);
 976                 }
 977
 978                 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
 979
 980                 SetMapMode(hdcDraw, MM_TEXT);
 981                 BitBlt(hdc, bounds.left, bounds.top,
 982                         width, height,
 983                         hdcDraw, 0, 0,
 984                         SRCCOPY);
 985
 986                 SelectObject(hdcDraw, oldBmp);
 987                 DeleteObject(hBitmap);
 988             }
 989             DeleteDC(hdcDraw);
 990         }
 991     }
 992 };
 993
 994 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 995 {
 996     RECT clipRect = *lprcClipRect;
 997     RECT posRect  = *lprcPosRect;
 998
 999     //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
1000
1001     /*
1002     ** record keeping of control geometry within container
1003     */
1004     _posRect = posRect;
1005
1006     /*
1007     ** convert posRect & clipRect to match control viewport coordinates
1008     */
1009     getViewportCoords(&posRect, &clipRect);
1010
1011     /*
1012     ** change in-place window geometry to match clipping region
1013     */
1014     SetWindowPos(_inplacewnd, NULL,
1015             clipRect.left,
1016             clipRect.top,
1017             clipRect.right-clipRect.left,
1018             clipRect.bottom-clipRect.top,
1019             SWP_NOACTIVATE|
1020             SWP_NOCOPYBITS|
1021             SWP_NOZORDER|
1022             SWP_NOOWNERZORDER );
1023
1024     /*
1025     ** change video window geometry to match object bounds within clipping region
1026     */
1027     SetWindowPos(_videownd, NULL,
1028             posRect.left,
1029             posRect.top,
1030             posRect.right-posRect.left,
1031             posRect.bottom-posRect.top,
1032             SWP_NOACTIVATE|
1033             SWP_NOCOPYBITS|
1034             SWP_NOZORDER|
1035             SWP_NOOWNERZORDER );
1036
1037     //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
1038     vlc_value_t val;
1039     val.i_int = posRect.right-posRect.left;
1040     VLC_VariableSet(_i_vlc, "conf::width", val);
1041     val.i_int = posRect.bottom-posRect.top;
1042     VLC_VariableSet(_i_vlc, "conf::height", val);
1043 };
1044
1045 void VLCPlugin::freezeEvents(BOOL freeze)
1046 {
1047     vlcConnectionPointContainer->freezeEvents(freeze);
1048 };
1049
1050 void VLCPlugin::firePropChangedEvent(DISPID dispid)
1051 {
1052     vlcConnectionPointContainer->firePropChangedEvent(dispid);
1053 };
1054
1055 void VLCPlugin::fireOnPlayEvent(void)
1056 {
1057     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1058     vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1059 };
1060
1061 void VLCPlugin::fireOnPauseEvent(void)
1062 {
1063     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1064     vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1065 };
1066
1067 void VLCPlugin::fireOnStopEvent(void)
1068 {
1069     DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1070     vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);
1071 };
1072