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