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