1 /*****************************************************************************
2 * plugin.cpp: ActiveX control for VLC
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
6 * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
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.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
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"
50 ////////////////////////////////////////////////////////////////////////
53 // {E23FE9C6-778E-49d4-B537-38FCDE4887D8}
54 //const GUID CLSID_VLCPlugin =
55 // { 0xe23fe9c6, 0x778e, 0x49d4, { 0xb5, 0x37, 0x38, 0xfc, 0xde, 0x48, 0x87, 0xd8 } };
57 static LRESULT CALLBACK VLCInPlaceClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
65 if( GetUpdateRect(hWnd, NULL, FALSE) )
67 BeginPaint(hWnd, &ps);
73 return DefWindowProc(hWnd, uMsg, wParam, lParam);
77 static LRESULT CALLBACK VLCVideoClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
78 VLCPlugin *p_instance = reinterpret_cast<VLCPlugin *>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
88 if( GetUpdateRect(hWnd, &pr, FALSE) )
91 GetClientRect(hWnd, &bounds);
92 BeginPaint(hWnd, &ps);
93 p_instance->onPaint(ps.hdc, bounds, pr);
99 return DefWindowProc(hWnd, uMsg, wParam, lParam);
103 VLCPluginClass::VLCPluginClass(LONG *p_class_ref, HINSTANCE hInstance) :
104 _p_class_ref(p_class_ref),
105 _hinstance(hInstance),
106 _inplace_picture(NULL)
110 if( ! GetClassInfo(hInstance, getInPlaceWndClassName(), &wClass) )
112 wClass.style = CS_NOCLOSE|CS_DBLCLKS;
113 wClass.lpfnWndProc = VLCInPlaceClassWndProc;
114 wClass.cbClsExtra = 0;
115 wClass.cbWndExtra = 0;
116 wClass.hInstance = hInstance;
118 wClass.hCursor = LoadCursor(NULL, IDC_ARROW);
119 wClass.hbrBackground = NULL;
120 wClass.lpszMenuName = NULL;
121 wClass.lpszClassName = getInPlaceWndClassName();
123 _inplace_wndclass_atom = RegisterClass(&wClass);
127 _inplace_wndclass_atom = 0;
130 if( ! GetClassInfo(hInstance, getVideoWndClassName(), &wClass) )
132 wClass.style = CS_NOCLOSE;
133 wClass.lpfnWndProc = VLCVideoClassWndProc;
134 wClass.cbClsExtra = 0;
135 wClass.cbWndExtra = 0;
136 wClass.hInstance = hInstance;
138 wClass.hCursor = LoadCursor(NULL, IDC_ARROW);
139 wClass.hbrBackground = NULL;
140 wClass.lpszMenuName = NULL;
141 wClass.lpszClassName = getVideoWndClassName();
143 _video_wndclass_atom = RegisterClass(&wClass);
147 _video_wndclass_atom = 0;
150 HBITMAP hbitmap = (HBITMAP)LoadImage(getHInstance(), TEXT("INPLACE-PICT"), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
151 if( NULL != hbitmap )
155 pictDesc.cbSizeofstruct = sizeof(PICTDESC);
156 pictDesc.picType = PICTYPE_BITMAP;
157 pictDesc.bmp.hbitmap = hbitmap;
158 pictDesc.bmp.hpal = NULL;
160 if( FAILED(OleCreatePictureIndirect(&pictDesc, IID_IPicture, TRUE, reinterpret_cast<LPVOID*>(&_inplace_picture))) )
161 _inplace_picture = NULL;
166 VLCPluginClass::~VLCPluginClass()
168 if( 0 != _inplace_wndclass_atom )
169 UnregisterClass(MAKEINTATOM(_inplace_wndclass_atom), _hinstance);
171 if( 0 != _video_wndclass_atom )
172 UnregisterClass(MAKEINTATOM(_video_wndclass_atom), _hinstance);
174 if( NULL != _inplace_picture )
175 _inplace_picture->Release();
178 STDMETHODIMP VLCPluginClass::QueryInterface(REFIID riid, void **ppv)
183 if( (IID_IUnknown == riid) || (IID_IClassFactory == riid) )
186 *ppv = reinterpret_cast<LPVOID>(this);
193 return E_NOINTERFACE;
196 STDMETHODIMP_(ULONG) VLCPluginClass::AddRef(void)
198 return InterlockedIncrement(_p_class_ref);
201 STDMETHODIMP_(ULONG) VLCPluginClass::Release(void)
203 ULONG refcount = InterlockedDecrement(_p_class_ref);
212 STDMETHODIMP VLCPluginClass::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv)
219 if( (NULL != pUnkOuter) && (IID_IUnknown != riid) ) {
220 return CLASS_E_NOAGGREGATION;
223 VLCPlugin *plugin = new VLCPlugin(this, pUnkOuter);
226 HRESULT hr = plugin->QueryInterface(riid, ppv);
230 return E_OUTOFMEMORY;
233 STDMETHODIMP VLCPluginClass::LockServer(BOOL fLock)
243 ////////////////////////////////////////////////////////////////////////
245 VLCPlugin::VLCPlugin(VLCPluginClass *p_class, LPUNKNOWN pUnkOuter) :
260 vlcOleControl = new VLCOleControl(this);
261 vlcOleInPlaceObject = new VLCOleInPlaceObject(this);
262 vlcOleInPlaceActiveObject = new VLCOleInPlaceActiveObject(this);
263 vlcPersistStorage = new VLCPersistStorage(this);
264 vlcPersistStreamInit = new VLCPersistStreamInit(this);
265 vlcPersistPropertyBag = new VLCPersistPropertyBag(this);
266 vlcProvideClassInfo = new VLCProvideClassInfo(this);
267 vlcConnectionPointContainer = new VLCConnectionPointContainer(this);
268 vlcObjectSafety = new VLCObjectSafety(this);
269 vlcControl = new VLCControl(this);
270 vlcViewObject = new VLCViewObject(this);
271 vlcDataObject = new VLCDataObject(this);
272 vlcOleObject = new VLCOleObject(this);
274 // configure controlling IUnknown interface for implemented interfaces
275 this->pUnkOuter = (NULL != pUnkOuter) ? pUnkOuter : dynamic_cast<LPUNKNOWN>(this);
278 _p_pict = p_class->getInPlacePict();
280 // set default/preferred size (320x240) pixels in HIMETRIC
281 HDC hDC = CreateDevDC(NULL);
284 HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
288 VLCPlugin::~VLCPlugin()
291 delete vlcDataObject;
292 delete vlcViewObject;
294 delete vlcConnectionPointContainer;
295 delete vlcProvideClassInfo;
296 delete vlcPersistPropertyBag;
297 delete vlcPersistStreamInit;
298 delete vlcPersistStorage;
299 delete vlcOleInPlaceActiveObject;
300 delete vlcOleInPlaceObject;
301 delete vlcObjectSafety;
303 delete vlcOleControl;
307 SysFreeString(_bstr_mrl);
312 STDMETHODIMP VLCPlugin::QueryInterface(REFIID riid, void **ppv)
317 if( IID_IUnknown == riid )
318 *ppv = reinterpret_cast<LPVOID>(this);
319 else if( IID_IOleObject == riid )
320 *ppv = reinterpret_cast<LPVOID>(vlcOleObject);
321 else if( IID_IOleControl == riid )
322 *ppv = reinterpret_cast<LPVOID>(vlcOleControl);
323 else if( IID_IOleWindow == riid )
324 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
325 else if( IID_IOleInPlaceObject == riid )
326 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
327 else if( IID_IOleInPlaceActiveObject == riid )
328 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceActiveObject);
329 else if( IID_IPersist == riid )
330 *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
331 else if( IID_IPersistStreamInit == riid )
332 *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
333 else if( IID_IPersistStorage == riid )
334 *ppv = reinterpret_cast<LPVOID>(vlcPersistStorage);
335 else if( IID_IPersistPropertyBag == riid )
336 *ppv = reinterpret_cast<LPVOID>(vlcPersistPropertyBag);
337 else if( IID_IProvideClassInfo == riid )
338 *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
339 else if( IID_IProvideClassInfo2 == riid )
340 *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
341 else if( IID_IConnectionPointContainer == riid )
342 *ppv = reinterpret_cast<LPVOID>(vlcConnectionPointContainer);
343 else if( IID_IObjectSafety == riid )
344 *ppv = reinterpret_cast<LPVOID>(vlcObjectSafety);
345 else if( IID_IDispatch == riid )
346 *ppv = reinterpret_cast<LPVOID>(vlcControl);
347 else if( IID_IVLCControl == riid )
348 *ppv = reinterpret_cast<LPVOID>(vlcControl);
349 else if( IID_IViewObject == riid )
350 *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
351 else if( IID_IViewObject2 == riid )
352 *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
353 else if( IID_IDataObject == riid )
354 *ppv = reinterpret_cast<LPVOID>(vlcDataObject);
358 return E_NOINTERFACE;
360 ((LPUNKNOWN)*ppv)->AddRef();
364 STDMETHODIMP_(ULONG) VLCPlugin::AddRef(void)
366 return InterlockedIncrement((LONG *)&_i_ref);
369 STDMETHODIMP_(ULONG) VLCPlugin::Release(void)
371 if( ! InterlockedDecrement((LONG *)&_i_ref) )
379 //////////////////////////////////////
382 ** we use a window to represent plugin viewport,
383 ** whose geometry is limited by the clipping rectangle
384 ** all drawing within this window must follow must
385 ** follow coordinates system described in lprPosRect
388 static void getViewportCoords(LPRECT lprPosRect, LPRECT lprClipRect)
391 bounds.right = lprPosRect->right-lprPosRect->left;
393 if( lprClipRect->left <= lprPosRect->left )
395 // left side is not clipped out
398 if( lprClipRect->right >= lprPosRect->right )
400 // right side is not clipped out, no change
402 else if( lprClipRect->right >= lprPosRect->left )
404 // right side is clipped out
405 lprPosRect->right = lprClipRect->right;
409 // outside of clipping rectange, not visible
410 lprPosRect->right = lprPosRect->left;
415 // left side is clipped out
416 bounds.left = lprPosRect->left-lprClipRect->left;
417 bounds.right += bounds.left;
419 lprPosRect->left = lprClipRect->left;
420 if( lprClipRect->right >= lprPosRect->right )
422 // right side is not clipped out
426 // right side is clipped out
427 lprPosRect->right = lprClipRect->right;
431 bounds.bottom = lprPosRect->bottom-lprPosRect->top;
433 if( lprClipRect->top <= lprPosRect->top )
435 // top side is not clipped out
438 if( lprClipRect->bottom >= lprPosRect->bottom )
440 // bottom side is not clipped out, no change
442 else if( lprClipRect->bottom >= lprPosRect->top )
444 // bottom side is clipped out
445 lprPosRect->bottom = lprClipRect->bottom;
449 // outside of clipping rectange, not visible
450 lprPosRect->right = lprPosRect->left;
455 bounds.top = lprPosRect->top-lprClipRect->top;
456 bounds.bottom += bounds.top;
458 lprPosRect->top = lprClipRect->top;
459 if( lprClipRect->bottom >= lprPosRect->bottom )
461 // bottom side is not clipped out
465 // bottom side is clipped out
466 lprPosRect->bottom = lprClipRect->bottom;
469 *lprClipRect = *lprPosRect;
470 *lprPosRect = bounds;
473 HRESULT VLCPlugin::onInit(void)
477 _i_vlc = VLC_Create();
485 ** default initialization options
487 char *ppsz_argv[10] = { "vlc", "-vv" };
491 DWORD i_type, i_data = MAX_PATH + 1;
492 char p_data[MAX_PATH + 1];
493 if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, "Software\\VideoLAN\\VLC",
494 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
496 if( RegQueryValueEx( h_key, "InstallDir", 0, &i_type,
497 (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS )
499 if( i_type == REG_SZ )
501 strcat( p_data, "\\vlc" );
502 ppsz_argv[0] = p_data;
505 RegCloseKey( h_key );
509 ppsz_argv[0] = "C:\\cygwin\\home\\Damien_Fouilleul\\dev\\videolan\\vlc-trunk\\vlc";
512 if( IsDebuggerPresent() )
515 ** VLC default threading mechanism is designed to be as compatible
516 ** with POSIX as possible, however when debugged on win32, threads
517 ** lose signals and eventually VLC get stuck during initialization.
518 ** threading support can be configured to be more debugging friendly
519 ** but it will be less compatible with POSIX.
520 ** This is done by initializing with the following options
522 ppsz_argv[ppsz_argc++] = "--fast-mutex";
523 ppsz_argv[ppsz_argc++] = "--win9x-cv-method=1";
526 if( VLC_Init(_i_vlc, ppsz_argc, ppsz_argv) )
534 return CO_E_ALREADYINITIALIZED;
537 HRESULT VLCPlugin::onLoad(void)
540 VLC_VolumeMute(_i_vlc);
542 if( SysStringLen(_bstr_mrl) > 0 )
545 ** try to combine MRL with client site moniker, which for Internet Explorer
546 ** is the URL of the page the plugin is embedded into. Hence, if the MRL
547 ** is a relative URL, we should end up with an absolute URL
549 IOleClientSite *pClientSite;
550 if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
553 if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
555 LPMONIKER pContMoniker = NULL;
556 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
557 OLEWHICHMK_CONTAINER, &pContMoniker)) )
560 if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
563 ** check that the moniker name is a URL
565 if( UrlIsW(base_url, URLIS_URL) )
567 DWORD len = INTERNET_MAX_URL_LENGTH;
568 LPOLESTR abs_url = (LPOLESTR)CoTaskMemAlloc(sizeof(OLECHAR)*len);
569 if( NULL != abs_url )
571 if( SUCCEEDED(UrlCombineW(base_url, _bstr_mrl, abs_url, &len,
572 URL_ESCAPE_UNSAFE)) )
574 SysFreeString(_bstr_mrl);
575 _bstr_mrl = SysAllocStringLen(abs_url, len);
577 CoTaskMemFree(abs_url);
580 CoTaskMemFree(base_url);
582 pContMoniker->Release();
586 pClientSite->Release();
589 char *psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
590 if( NULL != psz_mrl )
592 // add default target to playlist
594 int cOptionsCount = 0;
598 cOptions[cOptionsCount++] = "loop";
600 VLC_AddTarget(_i_vlc, psz_mrl, (const char **)&cOptions, cOptionsCount, PLAYLIST_APPEND, PLAYLIST_END);
601 CoTaskMemFree(psz_mrl);
608 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
613 case DISPID_AMBIENT_BACKCOLOR:
615 case DISPID_AMBIENT_DISPLAYNAME:
617 case DISPID_AMBIENT_FONT:
619 case DISPID_AMBIENT_FORECOLOR:
621 case DISPID_AMBIENT_LOCALEID:
623 case DISPID_AMBIENT_MESSAGEREFLECT:
625 case DISPID_AMBIENT_SCALEUNITS:
627 case DISPID_AMBIENT_TEXTALIGN:
629 case DISPID_AMBIENT_USERMODE:
632 if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
634 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
637 case DISPID_AMBIENT_UIDEAD:
639 case DISPID_AMBIENT_SHOWGRABHANDLES:
641 case DISPID_AMBIENT_SHOWHATCHING:
643 case DISPID_AMBIENT_DISPLAYASDEFAULT:
645 case DISPID_AMBIENT_SUPPORTSMNEMONICS:
647 case DISPID_AMBIENT_AUTOCLIP:
649 case DISPID_AMBIENT_APPEARANCE:
651 case DISPID_AMBIENT_CODEPAGE:
654 if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
656 setCodePage(V_I4(&v));
659 case DISPID_AMBIENT_PALETTE:
661 case DISPID_AMBIENT_CHARSET:
663 case DISPID_AMBIENT_RIGHTTOLEFT:
665 case DISPID_AMBIENT_TOPTOBOTTOM:
669 ** multiple property change, look up the ones we are interested in
673 if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
675 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
679 if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
681 setCodePage(V_I4(&v));
688 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
695 if( isInPlaceActive() )
697 onInPlaceDeactivate();
699 vlcDataObject->onClose();
707 BOOL VLCPlugin::isInPlaceActive(void)
709 return (NULL != _inplacewnd);
712 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
714 RECT posRect = *lprcPosRect;
715 RECT clipRect = *lprcClipRect;
718 ** record keeping of control geometry within container
723 ** convert posRect & clipRect to match control viewport coordinates
725 getViewportCoords(&posRect, &clipRect);
728 ** Create a window for in place activated control.
729 ** the window geometry matches the control viewport
730 ** within container so that embedded video is always
733 _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
734 "VLC Plugin In-Place Window",
735 WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
738 clipRect.right-clipRect.left,
739 clipRect.bottom-clipRect.top,
742 _p_class->getHInstance(),
746 if( NULL == _inplacewnd )
749 SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
752 ** VLC embedded video automatically grows to cover client
753 ** area of parent window.
754 ** hence create a such a 'parent' window whose geometry
755 ** is always correct relative to the viewport bounds
757 _videownd = CreateWindow(_p_class->getVideoWndClassName(),
758 "VLC Plugin Video Window",
759 WS_CHILD|WS_CLIPCHILDREN|WS_VISIBLE,
762 posRect.right-posRect.left,
763 posRect.bottom-posRect.top,
766 _p_class->getHInstance(),
770 if( NULL == _videownd )
772 DestroyWindow(_inplacewnd);
776 SetWindowLongPtr(_videownd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
779 ShowWindow(_inplacewnd, SW_SHOWNORMAL);
781 /* set internal video width and height */
783 val.i_int = posRect.right-posRect.left;
784 VLC_VariableSet(_i_vlc, "width", val);
785 val.i_int = posRect.bottom-posRect.top;
786 VLC_VariableSet(_i_vlc, "height", val);
788 /* set internal video parent window */
789 /* horrible cast there */
790 val.i_int = reinterpret_cast<int>(_videownd);
791 VLC_VariableSet(_i_vlc, "drawable", val);
793 if( _b_usermode && _b_autoplay & (VLC_PlaylistNumberOfItems(_i_vlc) > 0) )
801 HRESULT VLCPlugin::onInPlaceDeactivate(void)
806 DestroyWindow(_videownd);
808 DestroyWindow(_inplacewnd);
814 void VLCPlugin::setVisible(BOOL fVisible)
816 _b_visible = fVisible;
817 if( isInPlaceActive() )
818 ShowWindow(_inplacewnd, fVisible ? SW_SHOWNORMAL : SW_HIDE);
819 firePropChangedEvent(DISPID_Visible);
822 void VLCPlugin::setFocus(BOOL fFocus)
825 SetActiveWindow(_inplacewnd);
828 BOOL VLCPlugin::hasFocus(void)
830 return GetActiveWindow() == _inplacewnd;
833 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
834 HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
838 long width = lprcBounds->right-lprcBounds->left;
839 long height = lprcBounds->bottom-lprcBounds->top;
841 RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
842 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
844 LPPICTURE pict = getPicture();
847 OLE_XSIZE_HIMETRIC picWidth;
848 OLE_YSIZE_HIMETRIC picHeight;
850 pict->get_Width(&picWidth);
851 pict->get_Height(&picHeight);
853 SIZEL picSize = { picWidth, picHeight };
855 if( NULL != hicTargetDev )
857 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
859 else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
861 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
862 DeleteDC(hicTargetDev);
865 if( picSize.cx > width-4 )
866 picSize.cx = width-4;
867 if( picSize.cy > height-4 )
868 picSize.cy = height-4;
870 LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
871 LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
873 if( NULL != lprcWBounds )
875 RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
876 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
877 0L, picHeight, picWidth, -picHeight, &wBounds);
880 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
881 0L, picHeight, picWidth, -picHeight, NULL);
886 SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
888 MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
889 LineTo(hdcDraw, bounds.left+width-1, bounds.top);
890 LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
891 LineTo(hdcDraw, bounds.left, bounds.top+height-1);
892 LineTo(hdcDraw, bounds.left, bounds.top);
896 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
900 /** if VLC is playing, it may not display any VIDEO content
901 ** hence, draw control logo*/
902 HDC hdcDraw = CreateCompatibleDC(hdc);
903 if( NULL != hdcDraw )
905 SIZEL size = getExtent();
906 DPFromHimetric(hdc, (LPPOINT)&size, 1);
907 RECTL posRect = { 0, 0, size.cx, size.cy };
909 int width = bounds.right-bounds.left;
910 int height = bounds.bottom-bounds.top;
912 HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
913 if( NULL != hBitmap )
915 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
917 if( (size.cx != width) || (size.cy != height) )
919 // needs to scale canvas
920 SetMapMode(hdcDraw, MM_ANISOTROPIC);
921 SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
922 SetViewportExtEx(hdcDraw, width, height, NULL);
925 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
927 SetMapMode(hdcDraw, MM_TEXT);
928 BitBlt(hdc, bounds.left, bounds.top,
933 SelectObject(hdcDraw, oldBmp);
934 DeleteObject(hBitmap);
941 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
943 RECT clipRect = *lprcClipRect;
944 RECT posRect = *lprcPosRect;
946 //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
949 ** record keeping of control geometry within container
954 ** convert posRect & clipRect to match control viewport coordinates
956 getViewportCoords(&posRect, &clipRect);
959 ** change in-place window geometry to match clipping region
961 SetWindowPos(_inplacewnd, NULL,
964 clipRect.right-clipRect.left,
965 clipRect.bottom-clipRect.top,
972 ** change video window geometry to match object bounds within clipping region
974 SetWindowPos(_videownd, NULL,
977 posRect.right-posRect.left,
978 posRect.bottom-posRect.top,
984 //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
986 val.i_int = posRect.right-posRect.left;
987 VLC_VariableSet(_i_vlc, "width", val);
988 val.i_int = posRect.bottom-posRect.top;
989 VLC_VariableSet(_i_vlc, "height", val);
992 void VLCPlugin::freezeEvents(BOOL freeze)
994 vlcConnectionPointContainer->freezeEvents(freeze);
997 void VLCPlugin::firePropChangedEvent(DISPID dispid)
999 vlcConnectionPointContainer->firePropChangedEvent(dispid);
1002 void VLCPlugin::fireOnPlayEvent(void)
1004 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1005 vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1008 void VLCPlugin::fireOnPauseEvent(void)
1010 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1011 vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1014 void VLCPlugin::fireOnStopEvent(void)
1016 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1017 vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);