955235de5abb7134a5cddf7a8963b97b487a5a97
[vlc.git] / projects / mozilla / vlcshell.cpp
1 /*****************************************************************************
2  * vlcshell.cpp: a VLC plugin for Mozilla
3  *****************************************************************************
4  * Copyright (C) 2002-2009 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Samuel Hocevar <sam@zoy.org>
8  *          Jean-Paul Saman <jpsaman@videolan.org>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include "config.h"
29
30 #include <stdio.h>
31 #include <string.h>
32 #include <stdlib.h>
33
34 /* Mozilla stuff */
35 #ifdef HAVE_MOZILLA_CONFIG_H
36 #   include <mozilla-config.h>
37 #endif
38
39 /* This is from mozilla java, do we really need it? */
40 #if 0
41 #include <jri.h>
42 #endif
43
44 #include "vlcplugin.h"
45 #include "vlcshell.h"
46
47 /* Enable/disable debugging printf's for X11 resizing */
48 #undef X11_RESIZE_DEBUG
49
50 #define WINDOW_TEXT "Waiting for video"
51
52 /*****************************************************************************
53  * Unix-only declarations
54 ******************************************************************************/
55 #ifdef XP_UNIX
56
57 static void Redraw( Widget w, XtPointer closure, XEvent *event );
58 static void ControlHandler( Widget w, XtPointer closure, XEvent *event );
59 static void Resize( Widget w, XtPointer closure, XEvent *event );
60
61 #endif
62
63 /*****************************************************************************
64  * MacOS-only declarations
65 ******************************************************************************/
66 #ifdef XP_MACOSX
67 #endif
68
69 /*****************************************************************************
70  * Windows-only declarations
71  *****************************************************************************/
72 #ifdef XP_WIN
73
74 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar );
75
76 #endif
77
78 /******************************************************************************
79  * UNIX-only API calls
80  *****************************************************************************/
81 char * NPP_GetMIMEDescription( void )
82 {
83     static char mimetype[] = PLUGIN_MIMETYPES;
84     return mimetype;
85 }
86
87 NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
88 {
89     static char psz_name[] = PLUGIN_NAME;
90     static char psz_desc[1000];
91
92     /* plugin class variables */
93     switch( variable )
94     {
95         case NPPVpluginNameString:
96             *((char **)value) = psz_name;
97             return NPERR_NO_ERROR;
98
99         case NPPVpluginDescriptionString:
100             snprintf( psz_desc, sizeof(psz_desc), PLUGIN_DESCRIPTION,
101                       libvlc_get_version() );
102             *((char **)value) = psz_desc;
103             return NPERR_NO_ERROR;
104
105         default:
106             /* move on to instance variables ... */
107             ;
108     }
109
110     if( instance == NULL )
111     {
112         return NPERR_INVALID_INSTANCE_ERROR;
113     }
114
115     /* plugin instance variables */
116
117     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
118     if( NULL == p_plugin )
119     {
120         // plugin has not been initialized yet !
121         return NPERR_INVALID_INSTANCE_ERROR;
122     }
123
124     switch( variable )
125     {
126         case NPPVpluginScriptableNPObject:
127         {
128             /* retrieve plugin root class */
129             NPClass *scriptClass = p_plugin->getScriptClass();
130             if( scriptClass )
131             {
132                 /* create an instance and return it */
133                 *(NPObject**)value = NPN_CreateObject(instance, scriptClass);
134                 return NPERR_NO_ERROR;
135             }
136             break;
137         }
138
139         default:
140             ;
141     }
142     return NPERR_GENERIC_ERROR;
143 }
144
145 /*
146  * there is some confusion in gecko headers regarding definition of this API
147  * NPPVariable is wrongly defined as NPNVariable, which sounds incorrect.
148  */
149
150 NPError NPP_SetValue( NPP instance, NPNVariable variable, void *value )
151 {
152     return NPERR_GENERIC_ERROR;
153 }
154
155 /******************************************************************************
156  * Mac-only API calls
157  *****************************************************************************/
158 #ifdef XP_MACOSX
159 int16 NPP_HandleEvent( NPP instance, void * event )
160 {
161     static UInt32 lastMouseUp = 0;
162     libvlc_exception_t ex;
163     libvlc_exception_init(&ex);
164
165     if( instance == NULL )
166     {
167         return false;
168     }
169
170     VlcPlugin *p_plugin = (VlcPlugin*)instance->pdata;
171
172     if( p_plugin == NULL )
173     {
174         return false;
175     }
176
177     EventRecord *myEvent = (EventRecord*)event;
178
179     switch( myEvent->what )
180     {
181         case nullEvent:
182             return true;
183         case mouseDown:
184         {
185             if( (myEvent->when - lastMouseUp) < GetDblTime() )
186             {
187                 /* double click */
188                 p_plugin->toggle_fullscreen(&ex);
189                 libvlc_exception_clear(&ex);
190             }
191             return true;
192         }
193         case mouseUp:
194             lastMouseUp = myEvent->when;
195             return true;
196         case keyUp:
197         case keyDown:
198         case autoKey:
199             return true;
200         case updateEvt:
201         {
202             const NPWindow& npwindow = p_plugin->getWindow();
203             if( npwindow.window )
204             {
205                 int hasVout = FALSE;
206
207                 if( p_plugin->playlist_isplaying(&ex) )
208                 {
209                     hasVout = p_plugin->player_has_vout(NULL);
210                     if( hasVout )
211                     {
212                         libvlc_rectangle_t area;
213                         area.left = 0;
214                         area.top = 0;
215                         area.right = npwindow.width;
216                         area.bottom = npwindow.height;
217                         libvlc_video_redraw_rectangle(p_plugin->getMD(&ex), &area, NULL);
218                     }
219                 }
220                 libvlc_exception_clear(&ex);
221
222                 if( ! hasVout )
223                 {
224                     /* draw the beautiful "No Picture" */
225
226                     ForeColor(blackColor);
227                     PenMode( patCopy );
228
229                     /* seems that firefox forgets to set the following
230                      * on occasion (reload) */
231                     SetOrigin(((NP_Port *)npwindow.window)->portx,
232                               ((NP_Port *)npwindow.window)->porty);
233
234                     Rect rect;
235                     rect.left = 0;
236                     rect.top = 0;
237                     rect.right = npwindow.width;
238                     rect.bottom = npwindow.height;
239                     PaintRect( &rect );
240
241                     ForeColor(whiteColor);
242                     MoveTo( (npwindow.width-80)/ 2  , npwindow.height / 2 );
243                     DrawText( WINDOW_TEXT , 0 , strlen(WINDOW_TEXT) );
244                 }
245             }
246             return true;
247         }
248         case activateEvt:
249             return false;
250         case NPEventType_GetFocusEvent:
251         case NPEventType_LoseFocusEvent:
252             return true;
253         case NPEventType_AdjustCursorEvent:
254             return false;
255         case NPEventType_MenuCommandEvent:
256             return false;
257         case NPEventType_ClippingChangedEvent:
258             return false;
259         case NPEventType_ScrollingBeginsEvent:
260             return true;
261         case NPEventType_ScrollingEndsEvent:
262             return true;
263         default:
264             ;
265     }
266     return false;
267 }
268 #endif /* XP_MACOSX */
269
270 /******************************************************************************
271  * General Plug-in Calls
272  *****************************************************************************/
273 NPError NPP_Initialize( void )
274 {
275     return NPERR_NO_ERROR;
276 }
277
278 jref NPP_GetJavaClass( void )
279 {
280     return NULL;
281 }
282
283 void NPP_Shutdown( void )
284 {
285     ;
286 }
287
288 NPError NPP_New( NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
289                  char* argn[], char* argv[], NPSavedData* saved )
290 {
291     NPError status;
292
293     if( instance == NULL )
294     {
295         return NPERR_INVALID_INSTANCE_ERROR;
296     }
297
298     VlcPlugin * p_plugin = new VlcPlugin( instance, mode );
299     if( NULL == p_plugin )
300     {
301         return NPERR_OUT_OF_MEMORY_ERROR;
302     }
303
304     status = p_plugin->init(argc, argn, argv);
305     if( NPERR_NO_ERROR == status )
306     {
307         instance->pdata = reinterpret_cast<void*>(p_plugin);
308 #if 0
309         NPN_SetValue(instance, NPPVpluginWindowBool, (void *)false);
310         NPN_SetValue(instance, NPPVpluginTransparentBool, (void *)false);
311 #endif
312     }
313     else
314     {
315         delete p_plugin;
316     }
317     return status;
318 }
319
320 NPError NPP_Destroy( NPP instance, NPSavedData** save )
321 {
322     if( NULL == instance )
323         return NPERR_INVALID_INSTANCE_ERROR;
324
325     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
326     if( NULL == p_plugin )
327         return NPERR_NO_ERROR;
328
329     instance->pdata = NULL;
330
331 #if XP_WIN
332     HWND win = (HWND)p_plugin->getWindow().window;
333     WNDPROC winproc = p_plugin->getWindowProc();
334     if( winproc )
335     {
336         /* reset WNDPROC */
337         SetWindowLong( win, GWL_WNDPROC, (LONG)winproc );
338     }
339 #endif
340
341     delete p_plugin;
342
343     return NPERR_NO_ERROR;
344 }
345
346 NPError NPP_SetWindow( NPP instance, NPWindow* window )
347 {
348 #if defined(XP_UNIX) && !defined(__APPLE__)
349     Window control;
350     unsigned int i_control_height = 0, i_control_width = 0;
351 #endif
352
353     if( ! instance )
354     {
355         return NPERR_INVALID_INSTANCE_ERROR;
356     }
357
358     /* NPP_SetWindow may be called before NPP_New (Opera) */
359     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
360     if( NULL == p_plugin )
361     {
362         /* we should probably show a splash screen here */
363         return NPERR_NO_ERROR;
364     }
365
366 #if defined(XP_UNIX) && !defined(__APPLE__)
367     control = p_plugin->getControlWindow();
368 #endif
369
370     libvlc_exception_t ex;
371     libvlc_exception_init(&ex);
372
373     libvlc_instance_t *p_vlc = p_plugin->getVLC();
374
375     /*
376      * PLUGIN DEVELOPERS:
377      *  Before setting window to point to the
378      *  new window, you may wish to compare the new window
379      *  info to the previous window (if any) to note window
380      *  size changes, etc.
381      */
382
383     /* retrieve current window */
384     NPWindow& curwin = p_plugin->getWindow();
385
386 #ifdef XP_MACOSX
387     if( window && window->window )
388     {
389         /* check if plugin has a new parent window */
390         CGrafPtr drawable = (((NP_Port*) (window->window))->port);
391         if( !curwin.window || drawable != (((NP_Port*) (curwin.window))->port) )
392         {
393             /* set/change parent window */
394             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, &ex);
395             libvlc_exception_clear(&ex);
396         }
397
398         /* as MacOS X video output is windowless, set viewport */
399         libvlc_rectangle_t view, clip;
400
401         /*
402         ** browser sets port origin to top-left location of plugin
403         ** relative to GrafPort window origin is set relative to document,
404         ** which of little use for drawing
405         */
406         view.top     = ((NP_Port*) (window->window))->porty;
407         view.left    = ((NP_Port*) (window->window))->portx;
408         view.bottom  = window->height+view.top;
409         view.right   = window->width+view.left;
410
411         /* clipRect coordinates are also relative to GrafPort */
412         clip.top     = window->clipRect.top;
413         clip.left    = window->clipRect.left;
414         clip.bottom  = window->clipRect.bottom;
415         clip.right   = window->clipRect.right;
416
417         libvlc_video_set_viewport(p_vlc, p_plugin->getMD(&ex), &view, &clip, &ex);
418         libvlc_exception_clear(&ex);
419
420         /* remember new window */
421         p_plugin->setWindow(*window);
422     }
423     else if( curwin.window )
424     {
425         /* change/set parent */
426         libvlc_video_set_parent(p_vlc, 0, &ex);
427         libvlc_exception_clear(&ex);
428
429         curwin.window = NULL;
430     }
431 #endif /* XP_MACOSX */
432
433 #ifdef XP_WIN
434     if( window && window->window )
435     {
436         /* check if plugin has a new parent window */
437         HWND drawable = (HWND) (window->window);
438         if( !curwin.window || drawable != curwin.window )
439         {
440             /* reset previous window settings */
441             HWND oldwin = (HWND)p_plugin->getWindow().window;
442             WNDPROC oldproc = p_plugin->getWindowProc();
443             if( oldproc )
444             {
445                 /* reset WNDPROC */
446                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
447             }
448             /* attach our plugin object */
449             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
450                              reinterpret_cast<LONG_PTR>(p_plugin));
451
452             /* install our WNDPROC */
453             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
454                                              GWL_WNDPROC, (LONG)Manage ) );
455
456             /* change window style to our liking */
457             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
458             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
459             SetWindowLong((HWND)drawable, GWL_STYLE, style);
460
461             /* change/set parent */
462             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, &ex);
463             libvlc_exception_clear(&ex);
464
465             /* remember new window */
466             p_plugin->setWindow(*window);
467
468             /* Redraw window */
469             InvalidateRect( (HWND)drawable, NULL, TRUE );
470             UpdateWindow( (HWND)drawable );
471         }
472     }
473     else if( curwin.window )
474     {
475         /* reset WNDPROC */
476         HWND oldwin = (HWND)curwin.window;
477         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
478         p_plugin->setWindowProc(NULL);
479
480         /* change/set parent */
481         libvlc_video_set_parent(p_vlc, 0, &ex);
482         libvlc_exception_clear(&ex);
483
484         curwin.window = NULL;
485     }
486 #endif /* XP_WIN */
487
488 #ifdef XP_UNIX
489     /* default to hidden toolbar, shown at the end of this method if asked *
490      * developers note : getToolbarSize need to wait the end of this method
491      */
492     i_control_height = 0;
493     i_control_width = window->width;
494
495     if( window && window->window )
496     {
497         Window  parent  = (Window) window->window;
498         if( !curwin.window || (parent != (Window)curwin.window) )
499         {
500             Display *p_display = ( (NPSetWindowCallbackStruct *)
501                                    window->ws_info )->display;
502
503             XResizeWindow( p_display, parent, window->width, window->height );
504
505             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
506
507             /* create windows */
508             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
509                            window->width, window->height - i_control_height,
510                            0, i_blackColor, i_blackColor );
511             Window controls = (Window) NULL;
512             controls = XCreateSimpleWindow( p_display, parent,
513                             0, window->height - i_control_height-1,
514                             window->width, i_control_height-1,
515                             0, i_blackColor, i_blackColor );
516
517             XMapWindow( p_display, parent );
518             XMapWindow( p_display, video );
519             if( controls ) { XMapWindow( p_display, controls ); }
520
521             XFlush(p_display);
522
523             /* bind events */
524             Widget w = XtWindowToWidget( p_display, parent );
525
526             XtAddEventHandler( w, ExposureMask, FALSE,
527                                (XtEventHandler)Redraw, p_plugin );
528             XtAddEventHandler( w, StructureNotifyMask, FALSE,
529                                (XtEventHandler)Resize, p_plugin );
530             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
531                                (XtEventHandler)ControlHandler, p_plugin );
532
533             /* set/change parent window */
534             libvlc_video_set_parent( p_vlc, (libvlc_drawable_t) video, &ex );
535             libvlc_exception_clear(&ex);
536
537             /* remember window */
538             p_plugin->setWindow( *window );
539             p_plugin->setVideoWindow( video );
540
541             if( controls )
542             {
543                 p_plugin->setControlWindow( controls );
544             }
545
546             Redraw( w, (XtPointer)p_plugin, NULL );
547
548             /* now display toolbar if asked through parameters */
549             if( p_plugin->b_toolbar )
550             {
551                 p_plugin->showToolbar();
552             }
553         }
554     }
555     else if( curwin.window )
556     {
557         /* change/set parent */
558         libvlc_video_set_parent(p_vlc, 0, &ex);
559         libvlc_exception_clear(&ex);
560         curwin.window = NULL;
561     }
562 #endif /* XP_UNIX */
563
564     if( !p_plugin->b_stream )
565     {
566         if( p_plugin->psz_target )
567         {
568             if( p_plugin->playlist_add( p_plugin->psz_target, NULL ) != -1 )
569             {
570                 if( p_plugin->b_autoplay )
571                 {
572                     p_plugin->playlist_play(NULL);
573                 }
574             }
575             p_plugin->b_stream = true;
576         }
577     }
578     return NPERR_NO_ERROR;
579 }
580
581 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
582                        NPBool seekable, uint16 *stype )
583 {
584     if( NULL == instance  )
585     {
586         return NPERR_INVALID_INSTANCE_ERROR;
587     }
588
589     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
590     if( NULL == p_plugin )
591     {
592         return NPERR_INVALID_INSTANCE_ERROR;
593     }
594
595    /*
596    ** Firefox/Mozilla may decide to open a stream from the URL specified
597    ** in the SRC parameter of the EMBED tag and pass it to us
598    **
599    ** since VLC will open the SRC URL as well, we're not interested in
600    ** that stream. Otherwise, we'll take it and queue it up in the playlist
601    */
602     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
603     {
604         /* TODO: use pipes !!!! */
605         *stype = NP_ASFILEONLY;
606         return NPERR_NO_ERROR;
607     }
608     return NPERR_GENERIC_ERROR;
609 }
610
611 int32 NPP_WriteReady( NPP instance, NPStream *stream )
612 {
613     /* TODO */
614     return 8*1024;
615 }
616
617 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
618                  int32 len, void *buffer )
619 {
620     /* TODO */
621     return len;
622 }
623
624 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
625 {
626     if( instance == NULL )
627     {
628         return NPERR_INVALID_INSTANCE_ERROR;
629     }
630     return NPERR_NO_ERROR;
631 }
632
633 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
634 {
635     if( instance == NULL )
636     {
637         return;
638     }
639
640     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
641     if( NULL == p_plugin )
642     {
643         return;
644     }
645
646     if( p_plugin->playlist_add( stream->url, NULL ) != -1 )
647     {
648         if( p_plugin->b_autoplay )
649         {
650             p_plugin->playlist_play(NULL);
651         }
652     }
653 }
654
655 void NPP_URLNotify( NPP instance, const char* url,
656                     NPReason reason, void* notifyData )
657 {
658     /***** Insert NPP_URLNotify code here *****\
659     PluginInstance* p_plugin;
660     if (instance != NULL)
661         p_plugin = (PluginInstance*) instance->pdata;
662     \*********************************************/
663 }
664
665 void NPP_Print( NPP instance, NPPrint* printInfo )
666 {
667     if( printInfo == NULL )
668     {
669         return;
670     }
671
672     if( instance != NULL )
673     {
674         /***** Insert NPP_Print code here *****\
675         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
676         \**************************************/
677
678         if( printInfo->mode == NP_FULL )
679         {
680             /*
681              * PLUGIN DEVELOPERS:
682              *  If your plugin would like to take over
683              *  printing completely when it is in full-screen mode,
684              *  set printInfo->pluginPrinted to TRUE and print your
685              *  plugin as you see fit.  If your plugin wants Netscape
686              *  to handle printing in this case, set
687              *  printInfo->pluginPrinted to FALSE (the default) and
688              *  do nothing.  If you do want to handle printing
689              *  yourself, printOne is true if the print button
690              *  (as opposed to the print menu) was clicked.
691              *  On the Macintosh, platformPrint is a THPrint; on
692              *  Windows, platformPrint is a structure
693              *  (defined in npapi.h) containing the printer name, port,
694              *  etc.
695              */
696
697             /***** Insert NPP_Print code here *****\
698             void* platformPrint =
699                 printInfo->print.fullPrint.platformPrint;
700             NPBool printOne =
701                 printInfo->print.fullPrint.printOne;
702             \**************************************/
703
704             /* Do the default*/
705             printInfo->print.fullPrint.pluginPrinted = FALSE;
706         }
707         else
708         {
709             /* If not fullscreen, we must be embedded */
710             /*
711              * PLUGIN DEVELOPERS:
712              *  If your plugin is embedded, or is full-screen
713              *  but you returned false in pluginPrinted above, NPP_Print
714              *  will be called with mode == NP_EMBED.  The NPWindow
715              *  in the printInfo gives the location and dimensions of
716              *  the embedded plugin on the printed page.  On the
717              *  Macintosh, platformPrint is the printer port; on
718              *  Windows, platformPrint is the handle to the printing
719              *  device context.
720              */
721
722             /***** Insert NPP_Print code here *****\
723             NPWindow* printWindow =
724                 &(printInfo->print.embedPrint.window);
725             void* platformPrint =
726                 printInfo->print.embedPrint.platformPrint;
727             \**************************************/
728         }
729     }
730 }
731
732 /******************************************************************************
733  * Windows-only methods
734  *****************************************************************************/
735 #if XP_WIN
736 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
737 {
738     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
739
740     switch( i_msg )
741     {
742         case WM_ERASEBKGND:
743             return 1L;
744
745         case WM_PAINT:
746         {
747             PAINTSTRUCT paintstruct;
748             HDC hdc;
749             RECT rect;
750
751             hdc = BeginPaint( p_hwnd, &paintstruct );
752
753             GetClientRect( p_hwnd, &rect );
754
755             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
756             SetTextColor(hdc, RGB(255, 255, 255));
757             SetBkColor(hdc, RGB(0, 0, 0));
758             DrawText( hdc, WINDOW_TEXT, strlen(WINDOW_TEXT), &rect,
759                       DT_CENTER|DT_VCENTER|DT_SINGLELINE);
760
761             EndPaint( p_hwnd, &paintstruct );
762             return 0L;
763         }
764         default:
765             /* delegate to default handler */
766             return CallWindowProc( p_plugin->getWindowProc(), p_hwnd,
767                                    i_msg, wpar, lpar );
768     }
769 }
770 #endif /* XP_WIN */
771
772 /******************************************************************************
773  * UNIX-only methods
774  *****************************************************************************/
775 #ifdef XP_UNIX
776 static void Redraw( Widget w, XtPointer closure, XEvent *event )
777 {
778     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
779     Window control = p_plugin->getControlWindow();
780     const NPWindow& window = p_plugin->getWindow();
781     GC gc;
782     XGCValues gcv;
783     unsigned int i_control_height, i_control_width;
784
785     if( p_plugin->b_toolbar )
786         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
787     else
788         i_control_height = i_control_width = 0;
789
790     Window video = p_plugin->getVideoWindow();
791     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
792
793     gcv.foreground = BlackPixel( p_display, 0 );
794     gc = XCreateGC( p_display, video, GCForeground, &gcv );
795
796     XFillRectangle( p_display, video, gc,
797                     0, 0, window.width, window.height - i_control_height);
798
799     gcv.foreground = WhitePixel( p_display, 0 );
800     XChangeGC( p_display, gc, GCForeground, &gcv );
801
802     XDrawString( p_display, video, gc,
803                  window.width / 2 - 40, (window.height - i_control_height) / 2,
804                  WINDOW_TEXT, strlen(WINDOW_TEXT) );
805     XFreeGC( p_display, gc );
806
807     p_plugin->redrawToolbar();
808 }
809
810 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
811 {
812     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
813     const NPWindow& window = p_plugin->getWindow();
814
815     int i_height = window.height;
816     int i_width = window.width;
817     int i_xPos = event->xbutton.x;
818     int i_yPos = event->xbutton.y;
819
820     if( p_plugin && p_plugin->b_toolbar )
821     {
822         int i_playing;
823         libvlc_exception_t ex;
824
825         libvlc_exception_init( &ex );
826         libvlc_media_player_t *p_md = p_plugin->getMD(&ex);
827         libvlc_exception_clear( &ex );
828
829         i_playing = p_plugin->playlist_isplaying( &ex );
830         libvlc_exception_clear( &ex );
831
832         vlc_toolbar_clicked_t clicked;
833         clicked = p_plugin->getToolbarButtonClicked( i_xPos, i_yPos );
834         switch( clicked )
835         {
836             case clicked_Play:
837             case clicked_Pause:
838             {
839                 if( i_playing == 1 )
840                     p_plugin->playlist_pause( &ex );
841                 else
842                     p_plugin->playlist_play( &ex );
843
844                 libvlc_exception_clear( &ex );
845             }
846             break;
847
848             case clicked_Stop:
849             {
850                 p_plugin->playlist_stop(&ex);
851                 libvlc_exception_clear( &ex );
852             }
853             break;
854
855             case clicked_Fullscreen:
856             {
857                 p_plugin->set_fullscreen( 1, &ex );
858                 libvlc_exception_clear( &ex );
859             }
860             break;
861
862             case clicked_Mute:
863             case clicked_Unmute:
864             {
865                 libvlc_audio_toggle_mute( p_plugin->getVLC(), &ex );
866                 libvlc_exception_clear( &ex );
867             }
868             break;
869
870             case clicked_timeline:
871             {
872                 /* if a movie is loaded */
873                 if( p_md )
874                 {
875                     int64_t f_length;
876                     f_length = libvlc_media_player_get_length( p_md, &ex ) / 100;
877                     libvlc_exception_clear( &ex );
878
879                     f_length = (float)f_length *
880                             ( ((float)i_xPos-4.0 ) / ( ((float)i_width-8.0)/100) );
881
882                     libvlc_media_player_set_time( p_md, f_length, &ex );
883                     libvlc_exception_clear( &ex );
884                 }
885             }
886             break;
887
888             case clicked_Time:
889             {
890                 /* Not implemented yet*/
891             }
892             break;
893
894             default: /* button_Unknown */
895             break;
896         }
897     }
898     Redraw( w, closure, event );
899 }
900
901 static void Resize ( Widget w, XtPointer closure, XEvent *event )
902 {
903     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
904     Window control = p_plugin->getControlWindow();
905     const NPWindow& window = p_plugin->getWindow();
906     Window  drawable   = p_plugin->getVideoWindow();
907     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
908
909     int i_ret;
910     Window root_return, parent_return, * children_return;
911     Window base_window;
912     unsigned int i_nchildren;
913     unsigned int i_control_height, i_control_width;
914
915     if( p_plugin->b_toolbar )
916     {
917         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
918     }
919     else
920     {
921         i_control_height = i_control_width = 0;
922     }
923
924 #ifdef X11_RESIZE_DEBUG
925     XWindowAttributes attr;
926
927     if( event && event->type == ConfigureNotify )
928     {
929         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
930                  "send_event ? %s\n", event->xconfigure.width,
931                  event->xconfigure.height,
932                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
933     }
934 #endif /* X11_RESIZE_DEBUG */
935
936     if( ! p_plugin->setSize(window.width, (window.height - i_control_height)) )
937     {
938         /* size already set */
939         return;
940     }
941
942     i_ret = XResizeWindow( p_display, drawable,
943                            window.width, (window.height - i_control_height) );
944
945 #ifdef X11_RESIZE_DEBUG
946     fprintf( stderr,
947              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
948
949     XGetWindowAttributes ( p_display, drawable, &attr );
950
951     /* X is asynchronous, so the current size reported here is not
952        necessarily the requested size as the Resize request may not
953        yet have been handled by the plugin host */
954     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
955              attr.width, attr.height );
956 #endif /* X11_RESIZE_DEBUG */
957
958     XQueryTree( p_display, drawable,
959                 &root_return, &parent_return, &children_return,
960                 &i_nchildren );
961
962     if( i_nchildren > 0 )
963     {
964         /* XXX: Make assumptions related to the window parenting structure in
965            vlc/modules/video_output/x11/xcommon.c */
966         base_window = children_return[i_nchildren - 1];
967
968 #ifdef X11_RESIZE_DEBUG
969         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
970         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
971                  base_window );
972 #endif /* X11_RESIZE_DEBUG */
973
974         i_ret = XResizeWindow( p_display, base_window,
975                 window.width, ( window.height - i_control_height ) );
976
977 #ifdef X11_RESIZE_DEBUG
978         fprintf( stderr,
979                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
980                  i_ret );
981
982         XGetWindowAttributes( p_display, base_window, &attr );
983
984         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
985                  attr.width, attr.height );
986 #endif /* X11_RESIZE_DEBUG */
987     }
988 }
989
990 #endif /* XP_UNIX */