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