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Fix permissions
[vlc.git] / projects / activex / plugin.cpp
blob72d9848e90b200661dfd9c8472def01b34b2b0e3
1 /*****************************************************************************
2 * plugin.cpp: ActiveX control for VLC
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
5 *
6 * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
22
23 #include "plugin.h"
24
25 #include "oleobject.h"
26 #include "olecontrol.h"
27 #include "oleinplaceobject.h"
28 #include "oleinplaceactiveobject.h"
29 #include "persistpropbag.h"
30 #include "persiststreaminit.h"
31 #include "persiststorage.h"
32 #include "provideclassinfo.h"
33 #include "connectioncontainer.h"
34 #include "objectsafety.h"
35 #include "vlccontrol.h"
36 #include "vlccontrol2.h"
37 #include "viewobject.h"
38 #include "dataobject.h"
39 #include "supporterrorinfo.h"
40
41 #include "utils.h"
42
43 #include <string.h>
44 #include <winreg.h>
45 #include <winuser.h>
46 #include <servprov.h>
47 #include <shlwapi.h>
48 #include <wininet.h>
49
50 using namespace std;
51
52 ////////////////////////////////////////////////////////////////////////
53 //class factory
54
55 static LRESULT CALLBACK VLCInPlaceClassWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
56 VLCPlugin *p_instance = reinterpret_cast<VLCPlugin *>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
57
58 switch( uMsg )
59 {
60 case WM_ERASEBKGND:
61 return 1L;
62
63 case WM_PAINT:
64 PAINTSTRUCT ps;
65 RECT pr;
66 if( GetUpdateRect(hWnd, &pr, FALSE) )
67 {
68 RECT bounds;
69 GetClientRect(hWnd, &bounds);
70 BeginPaint(hWnd, &ps);
71 p_instance->onPaint(ps.hdc, bounds, pr);
72 EndPaint(hWnd, &ps);
73 }
74 return 0L;
75
76 default:
77 return DefWindowProc(hWnd, uMsg, wParam, lParam);
78 }
79 };
80
81 VLCPluginClass::VLCPluginClass(LONG *p_class_ref, HINSTANCE hInstance, REFCLSID rclsid) :
82 _p_class_ref(p_class_ref),
83 _hinstance(hInstance),
84 _classid(rclsid),
85 _inplace_picture(NULL)
86 {
87 WNDCLASS wClass;
88
89 if( ! GetClassInfo(hInstance, getInPlaceWndClassName(), &wClass) )
90 {
91 wClass.style = CS_NOCLOSE|CS_DBLCLKS;
92 wClass.lpfnWndProc = VLCInPlaceClassWndProc;
93 wClass.cbClsExtra = 0;
94 wClass.cbWndExtra = 0;
95 wClass.hInstance = hInstance;
96 wClass.hIcon = NULL;
97 wClass.hCursor = LoadCursor(NULL, IDC_ARROW);
98 wClass.hbrBackground = NULL;
99 wClass.lpszMenuName = NULL;
100 wClass.lpszClassName = getInPlaceWndClassName();
101
102 _inplace_wndclass_atom = RegisterClass(&wClass);
103 }
104 else
105 {
106 _inplace_wndclass_atom = 0;
107 }
108
109 HBITMAP hbitmap = (HBITMAP)LoadImage(getHInstance(), MAKEINTRESOURCE(2), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
110 if( NULL != hbitmap )
111 {
112 PICTDESC pictDesc;
113
114 pictDesc.cbSizeofstruct = sizeof(PICTDESC);
115 pictDesc.picType = PICTYPE_BITMAP;
116 pictDesc.bmp.hbitmap = hbitmap;
117 pictDesc.bmp.hpal = NULL;
118
119 if( FAILED(OleCreatePictureIndirect(&pictDesc, IID_IPicture, TRUE, reinterpret_cast<LPVOID*>(&_inplace_picture))) )
120 _inplace_picture = NULL;
121 }
122 AddRef();
123 };
124
125 VLCPluginClass::~VLCPluginClass()
126 {
127 if( 0 != _inplace_wndclass_atom )
128 UnregisterClass(MAKEINTATOM(_inplace_wndclass_atom), _hinstance);
129
130 if( NULL != _inplace_picture )
131 _inplace_picture->Release();
132 };
133
134 STDMETHODIMP VLCPluginClass::QueryInterface(REFIID riid, void **ppv)
135 {
136 if( NULL == ppv )
137 return E_INVALIDARG;
138
139 if( (IID_IUnknown == riid)
140 || (IID_IClassFactory == riid) )
141 {
142 AddRef();
143 *ppv = reinterpret_cast<LPVOID>(this);
144
145 return NOERROR;
146 }
147
148 *ppv = NULL;
149
150 return E_NOINTERFACE;
151 };
152
153 STDMETHODIMP_(ULONG) VLCPluginClass::AddRef(void)
154 {
155 return InterlockedIncrement(_p_class_ref);
156 };
157
158 STDMETHODIMP_(ULONG) VLCPluginClass::Release(void)
159 {
160 ULONG refcount = InterlockedDecrement(_p_class_ref);
161 if( 0 == refcount )
162 {
163 delete this;
164 return 0;
165 }
166 return refcount;
167 };
168
169 STDMETHODIMP VLCPluginClass::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv)
170 {
171 if( NULL == ppv )
172 return E_POINTER;
173
174 *ppv = NULL;
175
176 if( (NULL != pUnkOuter) && (IID_IUnknown != riid) ) {
177 return CLASS_E_NOAGGREGATION;
178 }
179
180 VLCPlugin *plugin = new VLCPlugin(this, pUnkOuter);
181 if( NULL != plugin )
182 {
183 HRESULT hr = plugin->QueryInterface(riid, ppv);
184 // the following will destroy the object if QueryInterface() failed
185 plugin->Release();
186 return hr;
187 }
188 return E_OUTOFMEMORY;
189 };
190
191 STDMETHODIMP VLCPluginClass::LockServer(BOOL fLock)
192 {
193 if( fLock )
194 AddRef();
195 else
196 Release();
197
198 return S_OK;
199 };
200
201 ////////////////////////////////////////////////////////////////////////
202
203 VLCPlugin::VLCPlugin(VLCPluginClass *p_class, LPUNKNOWN pUnkOuter) :
204 _inplacewnd(NULL),
205 _p_class(p_class),
206 _i_ref(1UL),
207 _p_libvlc(NULL),
208 _i_codepage(CP_ACP),
209 _b_usermode(TRUE)
210 {
211 p_class->AddRef();
212
213 vlcOleControl = new VLCOleControl(this);
214 vlcOleInPlaceObject = new VLCOleInPlaceObject(this);
215 vlcOleInPlaceActiveObject = new VLCOleInPlaceActiveObject(this);
216 vlcPersistStorage = new VLCPersistStorage(this);
217 vlcPersistStreamInit = new VLCPersistStreamInit(this);
218 vlcPersistPropertyBag = new VLCPersistPropertyBag(this);
219 vlcProvideClassInfo = new VLCProvideClassInfo(this);
220 vlcConnectionPointContainer = new VLCConnectionPointContainer(this);
221 vlcObjectSafety = new VLCObjectSafety(this);
222 vlcControl = new VLCControl(this);
223 vlcControl2 = new VLCControl2(this);
224 vlcViewObject = new VLCViewObject(this);
225 vlcDataObject = new VLCDataObject(this);
226 vlcOleObject = new VLCOleObject(this);
227 vlcSupportErrorInfo = new VLCSupportErrorInfo(this);
228
229 // configure controlling IUnknown interface for implemented interfaces
230 this->pUnkOuter = (NULL != pUnkOuter) ? pUnkOuter : dynamic_cast<LPUNKNOWN>(this);
231
232 // default picure
233 _p_pict = p_class->getInPlacePict();
234
235 // make sure that persistable properties are initialized
236 onInit();
237 };
238
239 VLCPlugin::~VLCPlugin()
240 {
241 /*
242 ** bump refcount to avoid recursive release from
243 ** following interfaces when releasing this interface
244 */
245 AddRef();
246
247 delete vlcSupportErrorInfo;
248 delete vlcOleObject;
249 delete vlcDataObject;
250 delete vlcViewObject;
251 delete vlcControl2;
252 delete vlcControl;
253 delete vlcConnectionPointContainer;
254 delete vlcProvideClassInfo;
255 delete vlcPersistPropertyBag;
256 delete vlcPersistStreamInit;
257 delete vlcPersistStorage;
258 delete vlcOleInPlaceActiveObject;
259 delete vlcOleInPlaceObject;
260 delete vlcObjectSafety;
261
262 delete vlcOleControl;
263 if( _p_pict )
264 _p_pict->Release();
265
266 SysFreeString(_bstr_mrl);
267 SysFreeString(_bstr_baseurl);
268
269 _p_class->Release();
270 };
271
272 STDMETHODIMP VLCPlugin::QueryInterface(REFIID riid, void **ppv)
273 {
274 if( NULL == ppv )
275 return E_INVALIDARG;
276
277 if( IID_IUnknown == riid )
278 *ppv = reinterpret_cast<LPVOID>(this);
279 else if( IID_IOleObject == riid )
280 *ppv = reinterpret_cast<LPVOID>(vlcOleObject);
281 else if( IID_IOleControl == riid )
282 *ppv = reinterpret_cast<LPVOID>(vlcOleControl);
283 else if( IID_IOleWindow == riid )
284 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
285 else if( IID_IOleInPlaceObject == riid )
286 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceObject);
287 else if( IID_IOleInPlaceActiveObject == riid )
288 *ppv = reinterpret_cast<LPVOID>(vlcOleInPlaceActiveObject);
289 else if( IID_IPersist == riid )
290 *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
291 else if( IID_IPersistStreamInit == riid )
292 *ppv = reinterpret_cast<LPVOID>(vlcPersistStreamInit);
293 else if( IID_IPersistStorage == riid )
294 *ppv = reinterpret_cast<LPVOID>(vlcPersistStorage);
295 else if( IID_IPersistPropertyBag == riid )
296 *ppv = reinterpret_cast<LPVOID>(vlcPersistPropertyBag);
297 else if( IID_IProvideClassInfo == riid )
298 *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
299 else if( IID_IProvideClassInfo2 == riid )
300 *ppv = reinterpret_cast<LPVOID>(vlcProvideClassInfo);
301 else if( IID_IConnectionPointContainer == riid )
302 *ppv = reinterpret_cast<LPVOID>(vlcConnectionPointContainer);
303 else if( IID_IObjectSafety == riid )
304 *ppv = reinterpret_cast<LPVOID>(vlcObjectSafety);
305 else if( IID_IDispatch == riid )
306 *ppv = (CLSID_VLCPlugin2 == getClassID()) ?
307 reinterpret_cast<LPVOID>(vlcControl2) :
308 reinterpret_cast<LPVOID>(vlcControl);
309 else if( IID_IVLCControl == riid )
310 *ppv = reinterpret_cast<LPVOID>(vlcControl);
311 else if( IID_IVLCControl2 == riid )
312 *ppv = reinterpret_cast<LPVOID>(vlcControl2);
313 else if( IID_IViewObject == riid )
314 *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
315 else if( IID_IViewObject2 == riid )
316 *ppv = reinterpret_cast<LPVOID>(vlcViewObject);
317 else if( IID_IDataObject == riid )
318 *ppv = reinterpret_cast<LPVOID>(vlcDataObject);
319 else if( IID_ISupportErrorInfo == riid )
320 *ppv = reinterpret_cast<LPVOID>(vlcSupportErrorInfo);
321 else
322 {
323 *ppv = NULL;
324 return E_NOINTERFACE;
325 }
326 ((LPUNKNOWN)*ppv)->AddRef();
327 return NOERROR;
328 };
329
330 STDMETHODIMP_(ULONG) VLCPlugin::AddRef(void)
331 {
332 return InterlockedIncrement((LONG *)&_i_ref);
333 };
334
335 STDMETHODIMP_(ULONG) VLCPlugin::Release(void)
336 {
337 if( ! InterlockedDecrement((LONG *)&_i_ref) )
338 {
339 delete this;
340 return 0;
341 }
342 return _i_ref;
343 };
344
345 //////////////////////////////////////
346
347 HRESULT VLCPlugin::onInit(void)
348 {
349 if( NULL == _p_libvlc )
350 {
351 // initialize persistable properties
352 _b_autoplay = TRUE;
353 _b_autoloop = FALSE;
354 _b_toolbar = FALSE;
355 _bstr_baseurl = NULL;
356 _bstr_mrl = NULL;
357 _b_visible = TRUE;
358 _b_mute = FALSE;
359 _i_volume = 50;
360 _i_time = 0;
361 _i_backcolor = 0;
362 // set default/preferred size (320x240) pixels in HIMETRIC
363 HDC hDC = CreateDevDC(NULL);
364 _extent.cx = 320;
365 _extent.cy = 240;
366 HimetricFromDP(hDC, (LPPOINT)&_extent, 1);
367 DeleteDC(hDC);
368
369 return S_OK;
370 }
371 return CO_E_ALREADYINITIALIZED;
372 };
373
374 HRESULT VLCPlugin::onLoad(void)
375 {
376 if( SysStringLen(_bstr_baseurl) == 0 )
377 {
378 /*
379 ** try to retreive the base URL using the client site moniker, which for Internet Explorer
380 ** is the URL of the page the plugin is embedded into.
381 */
382 LPOLECLIENTSITE pClientSite;
383 if( SUCCEEDED(vlcOleObject->GetClientSite(&pClientSite)) && (NULL != pClientSite) )
384 {
385 IBindCtx *pBC = 0;
386 if( SUCCEEDED(CreateBindCtx(0, &pBC)) )
387 {
388 LPMONIKER pContMoniker = NULL;
389 if( SUCCEEDED(pClientSite->GetMoniker(OLEGETMONIKER_ONLYIFTHERE,
390 OLEWHICHMK_CONTAINER, &pContMoniker)) )
391 {
392 LPOLESTR base_url;
393 if( SUCCEEDED(pContMoniker->GetDisplayName(pBC, NULL, &base_url)) )
394 {
395 /*
396 ** check that the moniker name is a URL
397 */
398 if( UrlIsW(base_url, URLIS_URL) )
399 {
400 /* copy base URL */
401 _bstr_baseurl = SysAllocString(base_url);
402 }
403 CoTaskMemFree(base_url);
404 }
405 }
406 }
407 }
408 }
409 setDirty(FALSE);
410 return S_OK;
411 };
412
413 HRESULT VLCPlugin::getVLC(libvlc_instance_t** pp_libvlc)
414 {
415 extern HMODULE DllGetModule();
416
417 if( ! isRunning() )
418 {
419 /*
420 ** default initialization options
421 */
422 const char *ppsz_argv[32] = { };
423 int ppsz_argc = 0;
424
425 char p_progpath[MAX_PATH];
426 {
427 TCHAR w_progpath[MAX_PATH];
428 DWORD len = GetModuleFileName(DllGetModule(), w_progpath, MAX_PATH);
429 if( len > 0 )
430 {
431 len = WideCharToMultiByte(CP_UTF8, 0, w_progpath, len, p_progpath,
432 sizeof(p_progpath)-1, NULL, NULL);
433 if( len > 0 )
434 {
435 p_progpath[len] = '\0';
436 ppsz_argv[0] = p_progpath;
437 }
438 }
439 }
440
441 ppsz_argv[ppsz_argc++] = "-vv";
442
443 HKEY h_key;
444 char p_pluginpath[MAX_PATH];
445 if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, TEXT("Software\\VideoLAN\\VLC"),
446 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
447 {
448 DWORD i_type, i_data = MAX_PATH;
449 TCHAR w_pluginpath[MAX_PATH];
450 if( RegQueryValueEx( h_key, TEXT("InstallDir"), 0, &i_type,
451 (LPBYTE)w_pluginpath, &i_data ) == ERROR_SUCCESS )
452 {
453 if( i_type == REG_SZ )
454 {
455 if( WideCharToMultiByte(CP_UTF8, 0, w_pluginpath, -1, p_pluginpath,
456 sizeof(p_pluginpath)-sizeof("\\plugins")+1, NULL, NULL) )
457 {
458 strcat( p_pluginpath, "\\plugins" );
459 ppsz_argv[ppsz_argc++] = "--plugin-path";
460 ppsz_argv[ppsz_argc++] = p_pluginpath;
461 }
462 }
463 }
464 RegCloseKey( h_key );
465 }
466
467 // make sure plugin isn't affected with VLC single instance mode
468 ppsz_argv[ppsz_argc++] = "--no-one-instance";
469
470 /* common settings */
471 ppsz_argv[ppsz_argc++] = "--no-stats";
472 ppsz_argv[ppsz_argc++] = "--no-media-library";
473 ppsz_argv[ppsz_argc++] = "--ignore-config";
474 ppsz_argv[ppsz_argc++] = "--intf=dummy";
475
476 // loop mode is a configuration option only
477 if( _b_autoloop )
478 ppsz_argv[ppsz_argc++] = "--loop";
479
480 libvlc_exception_t ex;
481 libvlc_exception_init(&ex);
482
483 _p_libvlc = libvlc_new(ppsz_argc, ppsz_argv, &ex);
484 if( libvlc_exception_raised(&ex) )
485 {
486 *pp_libvlc = NULL;
487 libvlc_exception_clear(&ex);
488 return E_FAIL;
489 }
490
491 // initial volume setting
492 libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
493 if( _b_mute )
494 {
495 libvlc_audio_set_mute(_p_libvlc, TRUE, NULL);
496 }
497
498 // initial playlist item
499 if( SysStringLen(_bstr_mrl) > 0 )
500 {
501 char *psz_mrl = NULL;
502
503 if( SysStringLen(_bstr_baseurl) > 0 )
504 {
505 /*
506 ** if the MRL a relative URL, we should end up with an absolute URL
507 */
508 LPWSTR abs_url = CombineURL(_bstr_baseurl, _bstr_mrl);
509 if( NULL != abs_url )
510 {
511 psz_mrl = CStrFromWSTR(CP_UTF8, abs_url, wcslen(abs_url));
512 CoTaskMemFree(abs_url);
513 }
514 else
515 {
516 psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
517 }
518 }
519 else
520 {
521 /*
522 ** baseURL is empty, assume MRL is absolute
523 */
524 psz_mrl = CStrFromBSTR(CP_UTF8, _bstr_mrl);
525 }
526 if( NULL != psz_mrl )
527 {
528 const char *options[1];
529 int i_options = 0;
530
531 char timeBuffer[32];
532 if( _i_time )
533 {
534 snprintf(timeBuffer, sizeof(timeBuffer), ":start-time=%d", _i_time);
535 options[i_options++] = timeBuffer;
536 }
537 // add default target to playlist
538 libvlc_playlist_add_extended(_p_libvlc, psz_mrl, NULL, i_options, options, NULL);
539 CoTaskMemFree(psz_mrl);
540 }
541 }
542 }
543 *pp_libvlc = _p_libvlc;
544 return S_OK;
545 };
546
547 void VLCPlugin::setErrorInfo(REFIID riid, const char *description)
548 {
549 vlcSupportErrorInfo->setErrorInfo( getClassID() == CLSID_VLCPlugin2 ?
550 OLESTR("VideoLAN.VLCPlugin.2") : OLESTR("VideoLAN.VLCPlugin.1"),
551 riid, description );
552 };
553
554 HRESULT VLCPlugin::onAmbientChanged(LPUNKNOWN pContainer, DISPID dispID)
555 {
556 VARIANT v;
557 switch( dispID )
558 {
559 case DISPID_AMBIENT_BACKCOLOR:
560 VariantInit(&v);
561 V_VT(&v) = VT_I4;
562 if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
563 {
564 setBackColor(V_I4(&v));
565 }
566 break;
567 case DISPID_AMBIENT_DISPLAYNAME:
568 break;
569 case DISPID_AMBIENT_FONT:
570 break;
571 case DISPID_AMBIENT_FORECOLOR:
572 break;
573 case DISPID_AMBIENT_LOCALEID:
574 break;
575 case DISPID_AMBIENT_MESSAGEREFLECT:
576 break;
577 case DISPID_AMBIENT_SCALEUNITS:
578 break;
579 case DISPID_AMBIENT_TEXTALIGN:
580 break;
581 case DISPID_AMBIENT_USERMODE:
582 VariantInit(&v);
583 V_VT(&v) = VT_BOOL;
584 if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
585 {
586 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
587 }
588 break;
589 case DISPID_AMBIENT_UIDEAD:
590 break;
591 case DISPID_AMBIENT_SHOWGRABHANDLES:
592 break;
593 case DISPID_AMBIENT_SHOWHATCHING:
594 break;
595 case DISPID_AMBIENT_DISPLAYASDEFAULT:
596 break;
597 case DISPID_AMBIENT_SUPPORTSMNEMONICS:
598 break;
599 case DISPID_AMBIENT_AUTOCLIP:
600 break;
601 case DISPID_AMBIENT_APPEARANCE:
602 break;
603 case DISPID_AMBIENT_CODEPAGE:
604 VariantInit(&v);
605 V_VT(&v) = VT_I4;
606 if( SUCCEEDED(GetObjectProperty(pContainer, dispID, v)) )
607 {
608 setCodePage(V_I4(&v));
609 }
610 break;
611 case DISPID_AMBIENT_PALETTE:
612 break;
613 case DISPID_AMBIENT_CHARSET:
614 break;
615 case DISPID_AMBIENT_RIGHTTOLEFT:
616 break;
617 case DISPID_AMBIENT_TOPTOBOTTOM:
618 break;
619 case DISPID_UNKNOWN:
620 /*
621 ** multiple property change, look up the ones we are interested in
622 */
623 VariantInit(&v);
624 V_VT(&v) = VT_BOOL;
625 if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_USERMODE, v)) )
626 {
627 setUserMode(V_BOOL(&v) != VARIANT_FALSE);
628 }
629 VariantInit(&v);
630 V_VT(&v) = VT_I4;
631 if( SUCCEEDED(GetObjectProperty(pContainer, DISPID_AMBIENT_CODEPAGE, v)) )
632 {
633 setCodePage(V_I4(&v));
634 }
635 break;
636 }
637 return S_OK;
638 };
639
640 HRESULT VLCPlugin::onClose(DWORD dwSaveOption)
641 {
642 if( isInPlaceActive() )
643 {
644 onInPlaceDeactivate();
645 }
646 if( isRunning() )
647 {
648 libvlc_instance_t* p_libvlc = _p_libvlc;
649
650 IVLCLog *p_log;
651 if( SUCCEEDED(vlcControl2->get_log(&p_log)) )
652 {
653 // make sure the log is disabled
654 p_log->put_verbosity(-1);
655 p_log->Release();
656 }
657
658 _p_libvlc = NULL;
659 vlcDataObject->onClose();
660
661 if( p_libvlc )
662 libvlc_release(p_libvlc);
663 }
664 return S_OK;
665 };
666
667 BOOL VLCPlugin::isInPlaceActive(void)
668 {
669 return (NULL != _inplacewnd);
670 };
671
672 HRESULT VLCPlugin::onActivateInPlace(LPMSG lpMesg, HWND hwndParent, LPCRECT lprcPosRect, LPCRECT lprcClipRect)
673 {
674 RECT clipRect = *lprcClipRect;
675
676 /*
677 ** record keeping of control geometry within container
678 */
679 _posRect = *lprcPosRect;
680
681 /*
682 ** Create a window for in place activated control.
683 ** the window geometry matches the control viewport
684 ** within container so that embedded video is always
685 ** properly displayed.
686 */
687 _inplacewnd = CreateWindow(_p_class->getInPlaceWndClassName(),
688 TEXT("VLC Plugin In-Place Window"),
689 WS_CHILD|WS_CLIPCHILDREN|WS_CLIPSIBLINGS,
690 lprcPosRect->left,
691 lprcPosRect->top,
692 lprcPosRect->right-lprcPosRect->left,
693 lprcPosRect->bottom-lprcPosRect->top,
694 hwndParent,
695 0,
696 _p_class->getHInstance(),
697 NULL
698 );
699
700 if( NULL == _inplacewnd )
701 return E_FAIL;
702
703 SetWindowLongPtr(_inplacewnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
704
705 /* change cliprect coordinates system relative to window bounding rect */
706 OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
707
708 HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
709 SetWindowRgn(_inplacewnd, clipRgn, TRUE);
710
711 if( _b_usermode )
712 {
713 /* will run vlc if not done already */
714 libvlc_instance_t* p_libvlc;
715 HRESULT result = getVLC(&p_libvlc);
716 if( FAILED(result) )
717 return result;
718
719 /* set internal video width and height */
720 libvlc_video_set_size(p_libvlc,
721 lprcPosRect->right-lprcPosRect->left,
722 lprcPosRect->bottom-lprcPosRect->top,
723 NULL );
724
725 /* set internal video parent window */
726 libvlc_video_set_parent(p_libvlc,
727 reinterpret_cast<libvlc_drawable_t>(_inplacewnd), NULL);
728
729 if( _b_autoplay & (libvlc_playlist_items_count(p_libvlc, NULL) > 0) )
730 {
731 libvlc_playlist_play(p_libvlc, 0, 0, NULL, NULL);
732 fireOnPlayEvent();
733 }
734 }
735
736 if( isVisible() )
737 ShowWindow(_inplacewnd, SW_SHOW);
738
739 return S_OK;
740 };
741
742 HRESULT VLCPlugin::onInPlaceDeactivate(void)
743 {
744 if( isRunning() )
745 {
746 libvlc_playlist_stop(_p_libvlc, NULL);
747 fireOnStopEvent();
748 }
749
750 DestroyWindow(_inplacewnd);
751 _inplacewnd = NULL;
752
753 return S_OK;
754 };
755
756 void VLCPlugin::setVisible(BOOL fVisible)
757 {
758 if( fVisible != _b_visible )
759 {
760 _b_visible = fVisible;
761 if( isInPlaceActive() )
762 {
763 ShowWindow(_inplacewnd, fVisible ? SW_SHOW : SW_HIDE);
764 if( fVisible )
765 InvalidateRect(_inplacewnd, NULL, TRUE);
766 }
767 setDirty(TRUE);
768 firePropChangedEvent(DISPID_Visible);
769 }
770 };
771
772 void VLCPlugin::setVolume(int volume)
773 {
774 if( volume < 0 )
775 volume = 0;
776 else if( volume > 200 )
777 volume = 200;
778
779 if( volume != _i_volume )
780 {
781 _i_volume = volume;
782 if( isRunning() )
783 {
784 libvlc_audio_set_volume(_p_libvlc, _i_volume, NULL);
785 }
786 setDirty(TRUE);
787 }
788 };
789
790 void VLCPlugin::setBackColor(OLE_COLOR backcolor)
791 {
792 if( _i_backcolor != backcolor )
793 {
794 _i_backcolor = backcolor;
795 if( isInPlaceActive() )
796 {
797
798 }
799 setDirty(TRUE);
800 }
801 };
802
803 void VLCPlugin::setTime(int seconds)
804 {
805 if( seconds < 0 )
806 seconds = 0;
807
808 if( seconds != _i_time )
809 {
810 setStartTime(_i_time);
811 if( isRunning() )
812 {
813 libvlc_media_player_t *p_md = libvlc_playlist_get_media_player(_p_libvlc, NULL);
814 if( NULL != p_md )
815 {
816 libvlc_media_player_set_time(p_md, _i_time, NULL);
817 libvlc_media_player_release(p_md);
818 }
819 }
820 }
821 };
822
823 void VLCPlugin::setFocus(BOOL fFocus)
824 {
825 if( fFocus )
826 SetActiveWindow(_inplacewnd);
827 };
828
829 BOOL VLCPlugin::hasFocus(void)
830 {
831 return GetActiveWindow() == _inplacewnd;
832 };
833
834 void VLCPlugin::onDraw(DVTARGETDEVICE * ptd, HDC hicTargetDev,
835 HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds)
836 {
837 if( isVisible() )
838 {
839 long width = lprcBounds->right-lprcBounds->left;
840 long height = lprcBounds->bottom-lprcBounds->top;
841
842 RECT bounds = { lprcBounds->left, lprcBounds->top, lprcBounds->right, lprcBounds->bottom };
843
844 if( isUserMode() )
845 {
846 /* VLC is in user mode, just draw background color */
847 COLORREF colorref = RGB(0, 0, 0);
848 OleTranslateColor(_i_backcolor, (HPALETTE)GetStockObject(DEFAULT_PALETTE), &colorref);
849 if( colorref != RGB(0, 0, 0) )
850 {
851 /* custom background */
852 HBRUSH colorbrush = CreateSolidBrush(colorref);
853 FillRect(hdcDraw, &bounds, colorbrush);
854 DeleteObject((HANDLE)colorbrush);
855 }
856 else
857 {
858 /* black background */
859 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(BLACK_BRUSH));
860 }
861 }
862 else
863 {
864 /* VLC is in design mode, draw the VLC logo */
865 FillRect(hdcDraw, &bounds, (HBRUSH)GetStockObject(WHITE_BRUSH));
866
867 LPPICTURE pict = getPicture();
868 if( NULL != pict )
869 {
870 OLE_XSIZE_HIMETRIC picWidth;
871 OLE_YSIZE_HIMETRIC picHeight;
872
873 pict->get_Width(&picWidth);
874 pict->get_Height(&picHeight);
875
876 SIZEL picSize = { picWidth, picHeight };
877
878 if( NULL != hicTargetDev )
879 {
880 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
881 }
882 else if( NULL != (hicTargetDev = CreateDevDC(ptd)) )
883 {
884 DPFromHimetric(hicTargetDev, (LPPOINT)&picSize, 1);
885 DeleteDC(hicTargetDev);
886 }
887
888 if( picSize.cx > width-4 )
889 picSize.cx = width-4;
890 if( picSize.cy > height-4 )
891 picSize.cy = height-4;
892
893 LONG dstX = lprcBounds->left+(width-picSize.cx)/2;
894 LONG dstY = lprcBounds->top+(height-picSize.cy)/2;
895
896 if( NULL != lprcWBounds )
897 {
898 RECT wBounds = { lprcWBounds->left, lprcWBounds->top, lprcWBounds->right, lprcWBounds->bottom };
899 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
900 0L, picHeight, picWidth, -picHeight, &wBounds);
901 }
902 else
903 pict->Render(hdcDraw, dstX, dstY, picSize.cx, picSize.cy,
904 0L, picHeight, picWidth, -picHeight, NULL);
905
906 pict->Release();
907 }
908
909 SelectObject(hdcDraw, GetStockObject(BLACK_BRUSH));
910
911 MoveToEx(hdcDraw, bounds.left, bounds.top, NULL);
912 LineTo(hdcDraw, bounds.left+width-1, bounds.top);
913 LineTo(hdcDraw, bounds.left+width-1, bounds.top+height-1);
914 LineTo(hdcDraw, bounds.left, bounds.top+height-1);
915 LineTo(hdcDraw, bounds.left, bounds.top);
916 }
917 }
918 };
919
920 void VLCPlugin::onPaint(HDC hdc, const RECT &bounds, const RECT &clipRect)
921 {
922 if( isVisible() )
923 {
924 /* if VLC is in design mode, draw control logo */
925 HDC hdcDraw = CreateCompatibleDC(hdc);
926 if( NULL != hdcDraw )
927 {
928 SIZEL size = getExtent();
929 DPFromHimetric(hdc, (LPPOINT)&size, 1);
930 RECTL posRect = { 0, 0, size.cx, size.cy };
931
932 int width = bounds.right-bounds.left;
933 int height = bounds.bottom-bounds.top;
934
935 HBITMAP hBitmap = CreateCompatibleBitmap(hdc, width, height);
936 if( NULL != hBitmap )
937 {
938 HBITMAP oldBmp = (HBITMAP)SelectObject(hdcDraw, hBitmap);
939
940 if( (size.cx != width) || (size.cy != height) )
941 {
942 // needs to scale canvas
943 SetMapMode(hdcDraw, MM_ANISOTROPIC);
944 SetWindowExtEx(hdcDraw, size.cx, size.cy, NULL);
945 SetViewportExtEx(hdcDraw, width, height, NULL);
946 }
947
948 onDraw(NULL, hdc, hdcDraw, &posRect, NULL);
949
950 SetMapMode(hdcDraw, MM_TEXT);
951 BitBlt(hdc, bounds.left, bounds.top,
952 width, height,
953 hdcDraw, 0, 0,
954 SRCCOPY);
955
956 SelectObject(hdcDraw, oldBmp);
957 DeleteObject(hBitmap);
958 }
959 DeleteDC(hdcDraw);
960 }
961 }
962 };
963
964 void VLCPlugin::onPositionChange(LPCRECT lprcPosRect, LPCRECT lprcClipRect)
965 {
966 RECT clipRect = *lprcClipRect;
967
968 //RedrawWindow(GetParent(_inplacewnd), &_posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
969
970 /*
971 ** record keeping of control geometry within container
972 */
973 _posRect = *lprcPosRect;
974
975 /*
976 ** change in-place window geometry to match clipping region
977 */
978 SetWindowPos(_inplacewnd, NULL,
979 lprcPosRect->left,
980 lprcPosRect->top,
981 lprcPosRect->right-lprcPosRect->left,
982 lprcPosRect->bottom-lprcPosRect->top,
983 SWP_NOACTIVATE|
984 SWP_NOCOPYBITS|
985 SWP_NOZORDER|
986 SWP_NOOWNERZORDER );
987
988 /* change cliprect coordinates system relative to window bounding rect */
989 OffsetRect(&clipRect, -lprcPosRect->left, -lprcPosRect->top);
990 HRGN clipRgn = CreateRectRgnIndirect(&clipRect);
991 SetWindowRgn(_inplacewnd, clipRgn, FALSE);
992
993 //RedrawWindow(_videownd, &posRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN);
994 if( isRunning() )
995 {
996 libvlc_video_set_size(_p_libvlc,
997 lprcPosRect->right-lprcPosRect->left,
998 lprcPosRect->bottom-lprcPosRect->top,
999 NULL );
1000 }
1001 };
1002
1003 void VLCPlugin::freezeEvents(BOOL freeze)
1004 {
1005 vlcConnectionPointContainer->freezeEvents(freeze);
1006 };
1007
1008 void VLCPlugin::firePropChangedEvent(DISPID dispid)
1009 {
1010 vlcConnectionPointContainer->firePropChangedEvent(dispid);
1011 };
1012
1013 void VLCPlugin::fireOnPlayEvent(void)
1014 {
1015 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1016 vlcConnectionPointContainer->fireEvent(DISPID_PlayEvent, &dispparamsNoArgs);
1017 };
1018
1019 void VLCPlugin::fireOnPauseEvent(void)
1020 {
1021 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1022 vlcConnectionPointContainer->fireEvent(DISPID_PauseEvent, &dispparamsNoArgs);
1023 };
1024
1025 void VLCPlugin::fireOnStopEvent(void)
1026 {
1027 DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
1028 vlcConnectionPointContainer->fireEvent(DISPID_StopEvent, &dispparamsNoArgs);
1029 };
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