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 #include "vlcplugin.h"
  35 #include "vlcshell.h"
  36
  37 /* Enable/disable debugging printf's for X11 resizing */
  38 #undef X11_RESIZE_DEBUG
  39
  40 /*****************************************************************************
  41  * Unix-only declarations
  42 ******************************************************************************/
  43 #if defined(XP_UNIX)
  44
  45 static void Redraw( Widget w, XtPointer closure, XEvent *event );
  46 static void ControlHandler( Widget w, XtPointer closure, XEvent *event );
  47 static void Resize( Widget w, XtPointer closure, XEvent *event );
  48
  49 #endif
  50
  51 /*****************************************************************************
  52  * MacOS-only declarations
  53 ******************************************************************************/
  54 #ifdef XP_MACOSX
  55 #endif
  56
  57 /*****************************************************************************
  58  * Windows-only declarations
  59  *****************************************************************************/
  60 #ifdef XP_WIN
  61
  62 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar );
  63
  64 #endif
  65
  66 /******************************************************************************
  67  * UNIX-only API calls
  68  *****************************************************************************/
  69 char * NPP_GetMIMEDescription( void )
  70 {
  71     static char mimetype[] = PLUGIN_MIMETYPES;
  72     return mimetype;
  73 }
  74
  75 NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
  76 {
  77     static char psz_name[] = PLUGIN_NAME;
  78     static char psz_desc[1000];
  79
  80     /* plugin class variables */
  81     switch( variable )
  82     {
  83         case NPPVpluginNameString:
  84             *((char **)value) = psz_name;
  85             return NPERR_NO_ERROR;
  86
  87         case NPPVpluginDescriptionString:
  88             snprintf( psz_desc, sizeof(psz_desc), PLUGIN_DESCRIPTION,
  89                       libvlc_get_version() );
  90             *((char **)value) = psz_desc;
  91             return NPERR_NO_ERROR;
  92
  93         default:
  94             /* move on to instance variables ... */
  95             ;
  96     }
  97
  98     if( instance == NULL )
  99     {
 100         return NPERR_INVALID_INSTANCE_ERROR;
 101     }
 102
 103     /* plugin instance variables */
 104
 105     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 106     if( NULL == p_plugin )
 107     {
 108         /* plugin has not been initialized yet ! */
 109         return NPERR_INVALID_INSTANCE_ERROR;
 110     }
 111
 112     switch( variable )
 113     {
 114         case NPPVpluginScriptableNPObject:
 115         {
 116             /* retrieve plugin root class */
 117             NPClass *scriptClass = p_plugin->getScriptClass();
 118             if( scriptClass )
 119             {
 120                 /* create an instance and return it */
 121                 *(NPObject**)value = NPN_CreateObject(instance, scriptClass);
 122                 return NPERR_NO_ERROR;
 123             }
 124             break;
 125         }
 126
 127         default:
 128             ;
 129     }
 130     return NPERR_GENERIC_ERROR;
 131 }
 132
 133 /*
 134  * there is some confusion in gecko headers regarding definition of this API
 135  * NPPVariable is wrongly defined as NPNVariable, which sounds incorrect.
 136  */
 137
 138 NPError NPP_SetValue( NPP instance, NPNVariable variable, void *value )
 139 {
 140     return NPERR_GENERIC_ERROR;
 141 }
 142
 143 /******************************************************************************
 144  * Mac-only API calls
 145  *****************************************************************************/
 146 #ifdef XP_MACOSX
 147 int16_t NPP_HandleEvent( NPP instance, void * event )
 148 {
 149     static UInt32 lastMouseUp = 0;
 150     if( instance == NULL )
 151     {
 152         return false;
 153     }
 154
 155     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 156     if( p_plugin == NULL )
 157     {
 158         return false;
 159     }
 160
 161 #ifndef __x86_64__
 162     EventRecord *myEvent = (EventRecord*)event;
 163
 164     switch( myEvent->what )
 165     {
 166         case nullEvent:
 167             return true;
 168         case mouseDown:
 169         {
 170             if( (myEvent->when - lastMouseUp) < GetDblTime() )
 171             {
 172                 /* double click */
 173                 p_plugin->toggle_fullscreen();
 174             }
 175             return true;
 176         }
 177         case mouseUp:
 178             lastMouseUp = myEvent->when;
 179             return true;
 180         case keyUp:
 181         case keyDown:
 182         case autoKey:
 183             return true;
 184         case updateEvt:
 185         {
 186             const NPWindow& npwindow = p_plugin->getWindow();
 187             if( npwindow.window )
 188             {
 189                 bool hasVout = false;
 190
 191                 if( p_plugin->playlist_isplaying() )
 192                 {
 193                     hasVout = p_plugin->player_has_vout();
 194 #if 0
 195                     if( hasVout )
 196                     {
 197                         libvlc_rectangle_t area;
 198                         area.left = 0;
 199                         area.top = 0;
 200                         area.right = npwindow.width;
 201                         area.bottom = npwindow.height;
 202                         libvlc_video_redraw_rectangle(p_plugin->getMD(), &area, NULL);
 203                     }
 204 #else
 205 #warning disabled code
 206 #endif
 207                 }
 208
 209                 if( ! hasVout )
 210                 {
 211                     /* draw the text from p_plugin->psz_text */
 212                     ForeColor(blackColor);
 213                     PenMode( patCopy );
 214
 215                     /* seems that firefox forgets to set the following
 216                      * on occasion (reload) */
 217                     SetOrigin(((NP_Port *)npwindow.window)->portx,
 218                               ((NP_Port *)npwindow.window)->porty);
 219
 220                     Rect rect;
 221                     rect.left = 0;
 222                     rect.top = 0;
 223                     rect.right = npwindow.width;
 224                     rect.bottom = npwindow.height;
 225                     PaintRect( &rect );
 226
 227                     ForeColor(whiteColor);
 228                     MoveTo( (npwindow.width-80)/ 2  , npwindow.height / 2 );
 229                     if( p_plugin->psz_text )
 230                         DrawText( p_plugin->psz_text, 0, strlen(p_plugin->psz_text) );
 231                 }
 232             }
 233             return true;
 234         }
 235         case activateEvt:
 236             return false;
 237         case NPEventType_GetFocusEvent:
 238         case NPEventType_LoseFocusEvent:
 239             return true;
 240         case NPEventType_AdjustCursorEvent:
 241             return false;
 242         case NPEventType_MenuCommandEvent:
 243             return false;
 244         case NPEventType_ClippingChangedEvent:
 245             return false;
 246         case NPEventType_ScrollingBeginsEvent:
 247             return true;
 248         case NPEventType_ScrollingEndsEvent:
 249             return true;
 250         default:
 251             ;
 252     }
 253 #endif // __x86_64__
 254     return false;
 255 }
 256 #endif /* XP_MACOSX */
 257
 258 /******************************************************************************
 259  * General Plug-in Calls
 260  *****************************************************************************/
 261 NPError NPP_Initialize( void )
 262 {
 263     return NPERR_NO_ERROR;
 264 }
 265
 266 #ifdef OJI
 267 jref NPP_GetJavaClass( void )
 268 {
 269     return NULL;
 270 }
 271 #endif
 272
 273 void NPP_Shutdown( void )
 274 {
 275     ;
 276 }
 277
 278 NPError NPP_New( NPMIMEType pluginType, NPP instance,
 279 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 280                  uint16 mode, int16 argc,
 281 #else
 282                  uint16_t mode, int16_t argc,
 283 #endif
 284                  char* argn[], char* argv[], NPSavedData* saved )
 285 {
 286     NPError status;
 287
 288     if( instance == NULL )
 289     {
 290         return NPERR_INVALID_INSTANCE_ERROR;
 291     }
 292
 293     VlcPlugin * p_plugin = new VlcPlugin( instance, mode );
 294     if( NULL == p_plugin )
 295     {
 296         return NPERR_OUT_OF_MEMORY_ERROR;
 297     }
 298
 299     status = p_plugin->init(argc, argn, argv);
 300     if( NPERR_NO_ERROR == status )
 301     {
 302         instance->pdata = reinterpret_cast<void*>(p_plugin);
 303 #if 0
 304         NPN_SetValue(instance, NPPVpluginWindowBool, (void *)false);
 305         NPN_SetValue(instance, NPPVpluginTransparentBool, (void *)false);
 306 #endif
 307     }
 308     else
 309     {
 310         delete p_plugin;
 311     }
 312     return status;
 313 }
 314
 315 NPError NPP_Destroy( NPP instance, NPSavedData** save )
 316 {
 317     if( NULL == instance )
 318         return NPERR_INVALID_INSTANCE_ERROR;
 319
 320     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 321     if( NULL == p_plugin )
 322         return NPERR_NO_ERROR;
 323
 324     instance->pdata = NULL;
 325
 326 #if defined(XP_WIN)
 327     HWND win = (HWND)p_plugin->getWindow().window;
 328     WNDPROC winproc = p_plugin->getWindowProc();
 329     if( winproc )
 330     {
 331         /* reset WNDPROC */
 332         SetWindowLong( win, GWL_WNDPROC, (LONG)winproc );
 333     }
 334 #endif
 335
 336     if( p_plugin->playlist_isplaying() )
 337         p_plugin->playlist_stop();
 338
 339     delete p_plugin;
 340
 341     return NPERR_NO_ERROR;
 342 }
 343
 344 NPError NPP_SetWindow( NPP instance, NPWindow* window )
 345 {
 346 #if defined(XP_UNIX)
 347     Window control;
 348     unsigned int i_control_height = 0, i_control_width = 0;
 349 #endif
 350
 351     if( ! instance )
 352     {
 353         return NPERR_INVALID_INSTANCE_ERROR;
 354     }
 355
 356     /* NPP_SetWindow may be called before NPP_New (Opera) */
 357     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 358     if( NULL == p_plugin )
 359     {
 360         /* we should probably show a splash screen here */
 361         return NPERR_NO_ERROR;
 362     }
 363
 364 #if defined(XP_UNIX)
 365     control = p_plugin->getControlWindow();
 366 #endif
 367
 368     libvlc_instance_t *p_vlc = p_plugin->getVLC();
 369
 370     /*
 371      * PLUGIN DEVELOPERS:
 372      *  Before setting window to point to the
 373      *  new window, you may wish to compare the new window
 374      *  info to the previous window (if any) to note window
 375      *  size changes, etc.
 376      */
 377
 378     /* retrieve current window */
 379     NPWindow& curwin = p_plugin->getWindow();
 380
 381 #ifdef XP_MACOSX
 382     if( window && window->window )
 383     {
 384         /* check if plugin has a new parent window */
 385         CGrafPtr drawable = (((NP_Port*) (window->window))->port);
 386
 387         /* as MacOS X video output is windowless, set viewport */
 388         libvlc_rectangle_t view, clip;
 389
 390         /*
 391         ** browser sets port origin to top-left location of plugin
 392         ** relative to GrafPort window origin is set relative to document,
 393         ** which of little use for drawing
 394         */
 395         view.top     = ((NP_Port*) (window->window))->porty;
 396         view.left    = ((NP_Port*) (window->window))->portx;
 397         view.bottom  = window->height+view.top;
 398         view.right   = window->width+view.left;
 399
 400         /* clipRect coordinates are also relative to GrafPort */
 401         clip.top     = window->clipRect.top;
 402         clip.left    = window->clipRect.left;
 403         clip.bottom  = window->clipRect.bottom;
 404         clip.right   = window->clipRect.right;
 405 #ifdef NOT_WORKING
 406         libvlc_video_set_viewport(p_vlc, p_plugin->getMD(), &view, &clip);
 407 #else
 408 #warning disabled code
 409 #endif
 410         /* remember new window */
 411         p_plugin->setWindow(*window);
 412     }
 413     else if( curwin.window )
 414     {
 415         /* change/set parent */
 416         curwin.window = NULL;
 417     }
 418 #endif /* XP_MACOSX */
 419
 420 #ifdef XP_WIN
 421     if( window && window->window )
 422     {
 423         /* check if plugin has a new parent window */
 424         HWND drawable = (HWND) (window->window);
 425         if( !curwin.window || drawable != curwin.window )
 426         {
 427             /* reset previous window settings */
 428             HWND oldwin = (HWND)p_plugin->getWindow().window;
 429             WNDPROC oldproc = p_plugin->getWindowProc();
 430             if( oldproc )
 431             {
 432                 /* reset WNDPROC */
 433                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
 434             }
 435             /* attach our plugin object */
 436             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
 437                              reinterpret_cast<LONG_PTR>(p_plugin));
 438
 439             /* install our WNDPROC */
 440             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
 441                                              GWL_WNDPROC, (LONG)Manage ) );
 442
 443             /* change window style to our liking */
 444             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
 445             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
 446             SetWindowLong((HWND)drawable, GWL_STYLE, style);
 447
 448             /* remember new window */
 449             p_plugin->setWindow(*window);
 450
 451             /* Redraw window */
 452             InvalidateRect( (HWND)drawable, NULL, TRUE );
 453             UpdateWindow( (HWND)drawable );
 454         }
 455     }
 456     else if( curwin.window )
 457     {
 458         /* reset WNDPROC */
 459         HWND oldwin = (HWND)curwin.window;
 460         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
 461         p_plugin->setWindowProc(NULL);
 462
 463         curwin.window = NULL;
 464     }
 465 #endif /* XP_WIN */
 466
 467 #if defined(XP_UNIX)
 468     /* default to hidden toolbar, shown at the end of this method if asked *
 469      * developers note : getToolbarSize need to wait the end of this method
 470      */
 471     i_control_height = 0;
 472     i_control_width = window->width;
 473
 474     if( window && window->window )
 475     {
 476         Window  parent  = (Window) window->window;
 477         if( !curwin.window || (parent != (Window)curwin.window) )
 478         {
 479             Display *p_display = ( (NPSetWindowCallbackStruct *)
 480                                    window->ws_info )->display;
 481
 482             XResizeWindow( p_display, parent, window->width, window->height );
 483
 484             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
 485
 486             /* create windows */
 487             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
 488                            window->width, window->height - i_control_height,
 489                            0, i_blackColor, i_blackColor );
 490             Window controls = (Window) NULL;
 491             controls = XCreateSimpleWindow( p_display, parent,
 492                             0, window->height - i_control_height-1,
 493                             window->width, i_control_height-1,
 494                             0, i_blackColor, i_blackColor );
 495
 496             XMapWindow( p_display, parent );
 497             XMapWindow( p_display, video );
 498             if( controls ) { XMapWindow( p_display, controls ); }
 499
 500             XFlush(p_display);
 501
 502             /* bind events */
 503             Widget w = XtWindowToWidget( p_display, parent );
 504
 505             XtAddEventHandler( w, ExposureMask, FALSE,
 506                                (XtEventHandler)Redraw, p_plugin );
 507             XtAddEventHandler( w, StructureNotifyMask, FALSE,
 508                                (XtEventHandler)Resize, p_plugin );
 509             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
 510                                (XtEventHandler)ControlHandler, p_plugin );
 511
 512             /* remember window */
 513             p_plugin->setWindow( *window );
 514             p_plugin->setVideoWindow( video );
 515
 516             if( controls )
 517             {
 518                 p_plugin->setControlWindow( controls );
 519             }
 520
 521             Redraw( w, (XtPointer)p_plugin, NULL );
 522
 523             /* now display toolbar if asked through parameters */
 524             if( p_plugin->b_toolbar )
 525             {
 526                 p_plugin->showToolbar();
 527             }
 528         }
 529     }
 530     else if( curwin.window )
 531     {
 532         curwin.window = NULL;
 533     }
 534 #endif /* XP_UNIX */
 535
 536     if( !p_plugin->b_stream )
 537     {
 538         if( p_plugin->psz_target )
 539         {
 540             if( p_plugin->playlist_add( p_plugin->psz_target ) != -1 )
 541             {
 542                 if( p_plugin->b_autoplay )
 543                 {
 544                     p_plugin->playlist_play();
 545                 }
 546             }
 547             p_plugin->b_stream = true;
 548         }
 549     }
 550     return NPERR_NO_ERROR;
 551 }
 552
 553 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 554 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 555                        NPBool seekable, uint16 *stype )
 556 #else
 557                        NPBool seekable, uint16_t *stype )
 558 #endif
 559 {
 560     if( NULL == instance  )
 561     {
 562         return NPERR_INVALID_INSTANCE_ERROR;
 563     }
 564
 565     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 566     if( NULL == p_plugin )
 567     {
 568         return NPERR_INVALID_INSTANCE_ERROR;
 569     }
 570
 571    /*
 572    ** Firefox/Mozilla may decide to open a stream from the URL specified
 573    ** in the SRC parameter of the EMBED tag and pass it to us
 574    **
 575    ** since VLC will open the SRC URL as well, we're not interested in
 576    ** that stream. Otherwise, we'll take it and queue it up in the playlist
 577    */
 578     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
 579     {
 580         /* TODO: use pipes !!!! */
 581         *stype = NP_ASFILEONLY;
 582         return NPERR_NO_ERROR;
 583     }
 584     return NPERR_GENERIC_ERROR;
 585 }
 586
 587 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 588 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 589 #else
 590 int32_t NPP_WriteReady( NPP instance, NPStream *stream )
 591 #endif
 592 {
 593     /* TODO */
 594     return 8*1024;
 595 }
 596
 597 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 598 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
 599                  int32 len, void *buffer )
 600 #else
 601 int32_t NPP_Write( NPP instance, NPStream *stream, int32_t offset,
 602                  int32_t len, void *buffer )
 603 #endif
 604 {
 605     /* TODO */
 606     return len;
 607 }
 608
 609 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 610 {
 611     if( instance == NULL )
 612     {
 613         return NPERR_INVALID_INSTANCE_ERROR;
 614     }
 615     return NPERR_NO_ERROR;
 616 }
 617
 618 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
 619 {
 620     if( instance == NULL )
 621     {
 622         return;
 623     }
 624
 625     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 626     if( NULL == p_plugin )
 627     {
 628         return;
 629     }
 630
 631     if( p_plugin->playlist_add( stream->url ) != -1 )
 632     {
 633         if( p_plugin->b_autoplay )
 634         {
 635             p_plugin->playlist_play();
 636         }
 637     }
 638 }
 639
 640 void NPP_URLNotify( NPP instance, const char* url,
 641                     NPReason reason, void* notifyData )
 642 {
 643     /***** Insert NPP_URLNotify code here *****\
 644     PluginInstance* p_plugin;
 645     if (instance != NULL)
 646         p_plugin = (PluginInstance*) instance->pdata;
 647     \*********************************************/
 648 }
 649
 650 void NPP_Print( NPP instance, NPPrint* printInfo )
 651 {
 652     if( printInfo == NULL )
 653     {
 654         return;
 655     }
 656
 657     if( instance != NULL )
 658     {
 659         /***** Insert NPP_Print code here *****\
 660         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 661         \**************************************/
 662
 663         if( printInfo->mode == NP_FULL )
 664         {
 665             /*
 666              * PLUGIN DEVELOPERS:
 667              *  If your plugin would like to take over
 668              *  printing completely when it is in full-screen mode,
 669              *  set printInfo->pluginPrinted to TRUE and print your
 670              *  plugin as you see fit.  If your plugin wants Netscape
 671              *  to handle printing in this case, set
 672              *  printInfo->pluginPrinted to FALSE (the default) and
 673              *  do nothing.  If you do want to handle printing
 674              *  yourself, printOne is true if the print button
 675              *  (as opposed to the print menu) was clicked.
 676              *  On the Macintosh, platformPrint is a THPrint; on
 677              *  Windows, platformPrint is a structure
 678              *  (defined in npapi.h) containing the printer name, port,
 679              *  etc.
 680              */
 681
 682             /***** Insert NPP_Print code here *****\
 683             void* platformPrint =
 684                 printInfo->print.fullPrint.platformPrint;
 685             NPBool printOne =
 686                 printInfo->print.fullPrint.printOne;
 687             \**************************************/
 688
 689             /* Do the default*/
 690             printInfo->print.fullPrint.pluginPrinted = FALSE;
 691         }
 692         else
 693         {
 694             /* If not fullscreen, we must be embedded */
 695             /*
 696              * PLUGIN DEVELOPERS:
 697              *  If your plugin is embedded, or is full-screen
 698              *  but you returned false in pluginPrinted above, NPP_Print
 699              *  will be called with mode == NP_EMBED.  The NPWindow
 700              *  in the printInfo gives the location and dimensions of
 701              *  the embedded plugin on the printed page.  On the
 702              *  Macintosh, platformPrint is the printer port; on
 703              *  Windows, platformPrint is the handle to the printing
 704              *  device context.
 705              */
 706
 707             /***** Insert NPP_Print code here *****\
 708             NPWindow* printWindow =
 709                 &(printInfo->print.embedPrint.window);
 710             void* platformPrint =
 711                 printInfo->print.embedPrint.platformPrint;
 712             \**************************************/
 713         }
 714     }
 715 }
 716
 717 /******************************************************************************
 718  * Windows-only methods
 719  *****************************************************************************/
 720 #if defined(XP_WIN)
 721 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 722 {
 723     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
 724
 725     switch( i_msg )
 726     {
 727         case WM_ERASEBKGND:
 728             return 1L;
 729
 730         case WM_PAINT:
 731         {
 732             PAINTSTRUCT paintstruct;
 733             HDC hdc;
 734             RECT rect;
 735
 736             hdc = BeginPaint( p_hwnd, &paintstruct );
 737
 738             GetClientRect( p_hwnd, &rect );
 739
 740             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
 741             SetTextColor(hdc, RGB(255, 255, 255));
 742             SetBkColor(hdc, RGB(0, 0, 0));
 743             if( p_plugin->psz_text )
 744                 DrawText( hdc, p_plugin->psz_text, strlen(p_plugin->psz_text), &rect,
 745                           DT_CENTER|DT_VCENTER|DT_SINGLELINE);
 746
 747             EndPaint( p_hwnd, &paintstruct );
 748             return 0L;
 749         }
 750         default:
 751             /* delegate to default handler */
 752             return CallWindowProc( p_plugin->getWindowProc(), p_hwnd,
 753                                    i_msg, wpar, lpar );
 754     }
 755 }
 756 #endif /* XP_WIN */
 757
 758 /******************************************************************************
 759  * UNIX-only methods
 760  *****************************************************************************/
 761 #if defined(XP_UNIX)
 762 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 763 {
 764     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 765     Window control = p_plugin->getControlWindow();
 766     const NPWindow& window = p_plugin->getWindow();
 767     GC gc;
 768     XGCValues gcv;
 769     unsigned int i_control_height, i_control_width;
 770
 771     if( p_plugin->b_toolbar )
 772         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 773     else
 774         i_control_height = i_control_width = 0;
 775
 776     Window video = p_plugin->getVideoWindow();
 777     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 778
 779     gcv.foreground = BlackPixel( p_display, 0 );
 780     gc = XCreateGC( p_display, video, GCForeground, &gcv );
 781
 782     XFillRectangle( p_display, video, gc,
 783                     0, 0, window.width, window.height - i_control_height);
 784
 785     gcv.foreground = WhitePixel( p_display, 0 );
 786     XChangeGC( p_display, gc, GCForeground, &gcv );
 787
 788     if( p_plugin->psz_text )
 789         XDrawString( p_display, video, gc,
 790                      window.width / 2 - 40, (window.height - i_control_height) / 2,
 791                      p_plugin->psz_text, strlen(p_plugin->psz_text) );
 792     XFreeGC( p_display, gc );
 793
 794     p_plugin->redrawToolbar();
 795 }
 796
 797 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
 798 {
 799     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 800     const NPWindow& window = p_plugin->getWindow();
 801
 802     int i_height = window.height;
 803     int i_width = window.width;
 804     int i_xPos = event->xbutton.x;
 805     int i_yPos = event->xbutton.y;
 806
 807     if( p_plugin && p_plugin->b_toolbar )
 808     {
 809         int i_playing;
 810
 811         libvlc_media_player_t *p_md = p_plugin->getMD();
 812
 813         i_playing = p_plugin->playlist_isplaying();
 814
 815         vlc_toolbar_clicked_t clicked;
 816         clicked = p_plugin->getToolbarButtonClicked( i_xPos, i_yPos );
 817         switch( clicked )
 818         {
 819             case clicked_Play:
 820             case clicked_Pause:
 821             {
 822                 if( i_playing == 1 )
 823                     p_plugin->playlist_pause();
 824                 else
 825                     p_plugin->playlist_play();
 826             }
 827             break;
 828
 829             case clicked_Stop:
 830             {
 831                 p_plugin->playlist_stop();
 832             }
 833             break;
 834
 835             case clicked_Fullscreen:
 836             {
 837                 p_plugin->set_fullscreen( 1 );
 838             }
 839             break;
 840
 841             case clicked_Mute:
 842             case clicked_Unmute:
 843             {
 844                 if( p_md )
 845                     libvlc_audio_toggle_mute( p_md );
 846             }
 847             break;
 848
 849             case clicked_timeline:
 850             {
 851                 /* if a movie is loaded */
 852                 if( p_md )
 853                 {
 854                     int64_t f_length;
 855                     f_length = libvlc_media_player_get_length( p_md ) / 100;
 856
 857                     f_length = (float)f_length *
 858                             ( ((float)i_xPos-4.0 ) / ( ((float)i_width-8.0)/100) );
 859
 860                     libvlc_media_player_set_time( p_md, f_length );
 861                 }
 862             }
 863             break;
 864
 865             case clicked_Time:
 866             {
 867                 /* Not implemented yet*/
 868             }
 869             break;
 870
 871             default: /* button_Unknown */
 872             break;
 873         }
 874     }
 875     Redraw( w, closure, event );
 876 }
 877
 878 static void Resize ( Widget w, XtPointer closure, XEvent *event )
 879 {
 880     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 881     Window control = p_plugin->getControlWindow();
 882     const NPWindow& window = p_plugin->getWindow();
 883     Window  drawable   = p_plugin->getVideoWindow();
 884     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 885
 886     int i_ret;
 887     Window root_return, parent_return, * children_return;
 888     Window base_window;
 889     unsigned int i_nchildren;
 890     unsigned int i_control_height, i_control_width;
 891
 892     if( p_plugin->b_toolbar )
 893     {
 894         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 895     }
 896     else
 897     {
 898         i_control_height = i_control_width = 0;
 899     }
 900
 901 #ifdef X11_RESIZE_DEBUG
 902     XWindowAttributes attr;
 903
 904     if( event && event->type == ConfigureNotify )
 905     {
 906         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
 907                  "send_event ? %s\n", event->xconfigure.width,
 908                  event->xconfigure.height,
 909                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
 910     }
 911 #endif /* X11_RESIZE_DEBUG */
 912
 913     if( ! p_plugin->setSize(window.width, (window.height - i_control_height)) )
 914     {
 915         /* size already set */
 916         return;
 917     }
 918
 919     i_ret = XResizeWindow( p_display, drawable,
 920                            window.width, (window.height - i_control_height) );
 921
 922 #ifdef X11_RESIZE_DEBUG
 923     fprintf( stderr,
 924              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
 925
 926     XGetWindowAttributes ( p_display, drawable, &attr );
 927
 928     /* X is asynchronous, so the current size reported here is not
 929        necessarily the requested size as the Resize request may not
 930        yet have been handled by the plugin host */
 931     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
 932              attr.width, attr.height );
 933 #endif /* X11_RESIZE_DEBUG */
 934
 935     XQueryTree( p_display, drawable,
 936                 &root_return, &parent_return, &children_return,
 937                 &i_nchildren );
 938
 939     if( i_nchildren > 0 )
 940     {
 941         /* XXX: Make assumptions related to the window parenting structure in
 942            vlc/modules/video_output/x11/xcommon.c */
 943         base_window = children_return[i_nchildren - 1];
 944
 945 #ifdef X11_RESIZE_DEBUG
 946         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
 947         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
 948                  base_window );
 949 #endif /* X11_RESIZE_DEBUG */
 950
 951         i_ret = XResizeWindow( p_display, base_window,
 952                 window.width, ( window.height - i_control_height ) );
 953
 954 #ifdef X11_RESIZE_DEBUG
 955         fprintf( stderr,
 956                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
 957                  i_ret );
 958
 959         XGetWindowAttributes( p_display, base_window, &attr );
 960
 961         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
 962                  attr.width, attr.height );
 963 #endif /* X11_RESIZE_DEBUG */
 964     }
 965 }
 966
 967 #endif /* XP_UNIX */