git.sesse.net Git - vlc/blob - projects/mozilla/vlcshell.cpp

   1 /*****************************************************************************
   2  * vlcshell.cpp: a VLC plugin for Mozilla
   3  *****************************************************************************
   4  * Copyright (C) 2002-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include "config.h"
  28
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 /* Mozilla stuff */
  34 #ifdef HAVE_MOZILLA_CONFIG_H
  35 #   include <mozilla-config.h>
  36 #endif
  37
  38 #ifdef XP_UNIX
  39 #ifndef __APPLE__
  40 #include <X11/xpm.h>
  41 #endif
  42 #endif
  43
  44 /* This is from mozilla java, do we really need it? */
  45 #if 0
  46 #include <jri.h>
  47 #endif
  48
  49 #include "vlcplugin.h"
  50
  51 /* Enable/disable debugging printf's for X11 resizing */
  52 #undef X11_RESIZE_DEBUG
  53
  54 #define WINDOW_TEXT "Video is loading..."
  55 #define CONTROL_HEIGHT 45
  56
  57 /*****************************************************************************
  58  * Unix-only declarations
  59 ******************************************************************************/
  60 #ifdef XP_UNIX
  61
  62 static void Redraw( Widget w, XtPointer closure, XEvent *event );
  63 static void ControlHandler( Widget w, XtPointer closure, XEvent *event );
  64 static void Resize( Widget w, XtPointer closure, XEvent *event );
  65
  66 #endif
  67
  68 /*****************************************************************************
  69  * MacOS-only declarations
  70 ******************************************************************************/
  71 #ifdef XP_MACOSX
  72 #endif
  73
  74 /*****************************************************************************
  75  * Windows-only declarations
  76  *****************************************************************************/
  77 #ifdef XP_WIN
  78
  79 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar );
  80
  81 #endif
  82
  83 /******************************************************************************
  84  * UNIX-only API calls
  85  *****************************************************************************/
  86 char * NPP_GetMIMEDescription( void )
  87 {
  88     return PLUGIN_MIMETYPES;
  89 }
  90
  91 NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
  92 {
  93
  94     static char psz_desc[1000];
  95
  96     /* plugin class variables */
  97     switch( variable )
  98     {
  99         case NPPVpluginNameString:
 100             *((char **)value) = PLUGIN_NAME;
 101             return NPERR_NO_ERROR;
 102
 103         case NPPVpluginDescriptionString:
 104             snprintf( psz_desc, sizeof(psz_desc), PLUGIN_DESCRIPTION, VLC_Version() );
 105             *((char **)value) = psz_desc;
 106             return NPERR_NO_ERROR;
 107
 108         default:
 109             /* move on to instance variables ... */
 110             ;
 111     }
 112
 113     if( instance == NULL )
 114     {
 115         return NPERR_INVALID_INSTANCE_ERROR;
 116     }
 117
 118     /* plugin instance variables */
 119
 120     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 121     if( NULL == p_plugin )
 122     {
 123         // plugin has not been initialized yet !
 124         return NPERR_INVALID_INSTANCE_ERROR;
 125     }
 126
 127     switch( variable )
 128     {
 129         case NPPVpluginScriptableNPObject:
 130         {
 131             /* retrieve plugin root class */
 132             NPClass *scriptClass = p_plugin->getScriptClass();
 133             if( scriptClass )
 134             {
 135                 /* create an instance and return it */
 136                 *(NPObject**)value = NPN_CreateObject(instance, scriptClass);
 137                 return NPERR_NO_ERROR;
 138             }
 139             break;
 140         }
 141
 142         default:
 143             ;
 144     }
 145     return NPERR_GENERIC_ERROR;
 146 }
 147
 148 /*
 149  * there is some confusion in gecko headers regarding definition of this API
 150  * NPPVariable is wrongly defined as NPNVariable, which sounds incorrect.
 151  */
 152
 153 NPError NPP_SetValue( NPP instance, NPNVariable variable, void *value )
 154 {
 155     return NPERR_GENERIC_ERROR;
 156 }
 157
 158 /******************************************************************************
 159  * Mac-only API calls
 160  *****************************************************************************/
 161 #ifdef XP_MACOSX
 162 int16 NPP_HandleEvent( NPP instance, void * event )
 163 {
 164     static UInt32 lastMouseUp = 0;
 165
 166     if( instance == NULL )
 167     {
 168         return false;
 169     }
 170
 171     VlcPlugin *p_plugin = (VlcPlugin*)instance->pdata;
 172
 173     if( p_plugin == NULL )
 174     {
 175         return false;
 176     }
 177
 178     EventRecord *myEvent = (EventRecord*)event;
 179
 180     switch( myEvent->what )
 181     {
 182         case nullEvent:
 183             return true;
 184         case mouseDown:
 185         {
 186             if( (myEvent->when - lastMouseUp) < GetDblTime() )
 187             {
 188                 /* double click */
 189                 libvlc_instance_t *p_vlc = p_plugin->getVLC();
 190
 191                 if( p_vlc )
 192                 {
 193                     if( libvlc_playlist_isplaying(p_vlc, NULL) )
 194                     {
 195                         libvlc_media_instance_t *p_md =
 196                             libvlc_playlist_get_media_instance(p_vlc, NULL);
 197                         if( p_md )
 198                         {
 199                             libvlc_toggle_fullscreen(p_md, NULL);
 200                             libvlc_media_instance_release(p_md);
 201                         }
 202                     }
 203                 }
 204             }
 205             return true;
 206         }
 207         case mouseUp:
 208             lastMouseUp = myEvent->when;
 209             return true;
 210         case keyUp:
 211         case keyDown:
 212         case autoKey:
 213             return true;
 214         case updateEvt:
 215         {
 216             const NPWindow& npwindow = p_plugin->getWindow();
 217             if( npwindow.window )
 218             {
 219                 int hasVout = FALSE;
 220                 libvlc_instance_t *p_vlc = p_plugin->getVLC();
 221
 222                 if( p_vlc )
 223                 {
 224                     if( libvlc_playlist_isplaying(p_vlc, NULL) )
 225                     {
 226                         libvlc_media_instance_t *p_md =
 227                             libvlc_playlist_get_media_instance(p_vlc, NULL);
 228                         if( p_md )
 229                         {
 230                             hasVout = libvlc_media_instance_has_vout(p_md, NULL);
 231                             if( hasVout )
 232                             {
 233                                 libvlc_rectangle_t area;
 234                                 area.left = 0;
 235                                 area.top = 0;
 236                                 area.right = npwindow.width;
 237                                 area.bottom = npwindow.height;
 238                                 libvlc_video_redraw_rectangle(p_md, &area, NULL);
 239                             }
 240                             libvlc_media_instance_release(p_md);
 241                         }
 242                     }
 243                 }
 244
 245                 if( ! hasVout )
 246                 {
 247                     /* draw the beautiful "No Picture" */
 248
 249                     ForeColor(blackColor);
 250                     PenMode( patCopy );
 251
 252                     /* seems that firefox forgets to set the following on occasion (reload) */
 253                     SetOrigin(((NP_Port *)npwindow.window)->portx,
 254                               ((NP_Port *)npwindow.window)->porty);
 255
 256                     Rect rect;
 257                     rect.left = 0;
 258                     rect.top = 0;
 259                     rect.right = npwindow.width;
 260                     rect.bottom = npwindow.height;
 261                     PaintRect( &rect );
 262
 263                     ForeColor(whiteColor);
 264                     MoveTo( (npwindow.width-80)/ 2  , npwindow.height / 2 );
 265                     DrawText( WINDOW_TEXT , 0 , strlen(WINDOW_TEXT) );
 266                 }
 267             }
 268             return true;
 269         }
 270         case activateEvt:
 271             return false;
 272         case NPEventType_GetFocusEvent:
 273         case NPEventType_LoseFocusEvent:
 274             return true;
 275         case NPEventType_AdjustCursorEvent:
 276             return false;
 277         case NPEventType_MenuCommandEvent:
 278             return false;
 279         case NPEventType_ClippingChangedEvent:
 280             return false;
 281         case NPEventType_ScrollingBeginsEvent:
 282             return true;
 283         case NPEventType_ScrollingEndsEvent:
 284             return true;
 285         default:
 286             ;
 287     }
 288     return false;
 289 }
 290 #endif /* XP_MACOSX */
 291
 292 /******************************************************************************
 293  * General Plug-in Calls
 294  *****************************************************************************/
 295 NPError NPP_Initialize( void )
 296 {
 297     return NPERR_NO_ERROR;
 298 }
 299
 300 jref NPP_GetJavaClass( void )
 301 {
 302     return NULL;
 303 }
 304
 305 void NPP_Shutdown( void )
 306 {
 307     ;
 308 }
 309
 310 NPError NPP_New( NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
 311                  char* argn[], char* argv[], NPSavedData* saved )
 312 {
 313     NPError status;
 314
 315     if( instance == NULL )
 316     {
 317         return NPERR_INVALID_INSTANCE_ERROR;
 318     }
 319
 320     VlcPlugin * p_plugin = new VlcPlugin( instance, mode );
 321     if( NULL == p_plugin )
 322     {
 323         return NPERR_OUT_OF_MEMORY_ERROR;
 324     }
 325
 326     status = p_plugin->init(argc, argn, argv);
 327     if( NPERR_NO_ERROR == status )
 328     {
 329         instance->pdata = reinterpret_cast<void*>(p_plugin);
 330 #if 0
 331         NPN_SetValue(instance, NPPVpluginWindowBool, (void *)false);
 332         NPN_SetValue(instance, NPPVpluginTransparentBool, (void *)false);
 333 #endif
 334     }
 335     else
 336     {
 337         delete p_plugin;
 338     }
 339     return status;
 340 }
 341
 342 NPError NPP_Destroy( NPP instance, NPSavedData** save )
 343 {
 344     if( NULL == instance )
 345         return NPERR_INVALID_INSTANCE_ERROR;
 346
 347     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 348     if( NULL == p_plugin )
 349         return NPERR_NO_ERROR;
 350
 351     instance->pdata = NULL;
 352
 353 #if XP_WIN
 354     HWND win = (HWND)p_plugin->getWindow().window;
 355     WNDPROC winproc = p_plugin->getWindowProc();
 356     if( winproc )
 357     {
 358         /* reset WNDPROC */
 359         SetWindowLong( win, GWL_WNDPROC, (LONG)winproc );
 360     }
 361 #endif
 362
 363     delete p_plugin;
 364
 365     return NPERR_NO_ERROR;
 366 }
 367
 368 NPError NPP_SetWindow( NPP instance, NPWindow* window )
 369 {
 370     if( ! instance )
 371     {
 372         return NPERR_INVALID_INSTANCE_ERROR;
 373     }
 374
 375     /* NPP_SetWindow may be called before NPP_New (Opera) */
 376     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 377     if( ! p_plugin )
 378     {
 379         /* we should probably show a splash screen here */
 380         return NPERR_NO_ERROR;
 381     }
 382
 383     libvlc_instance_t *p_vlc = p_plugin->getVLC();
 384
 385     /*
 386      * PLUGIN DEVELOPERS:
 387      *  Before setting window to point to the
 388      *  new window, you may wish to compare the new window
 389      *  info to the previous window (if any) to note window
 390      *  size changes, etc.
 391      */
 392
 393     /* retrieve current window */
 394     NPWindow& curwin = p_plugin->getWindow();
 395
 396 #ifdef XP_MACOSX
 397     if( window && window->window )
 398     {
 399         /* check if plugin has a new parent window */
 400         CGrafPtr drawable = (((NP_Port*) (window->window))->port);
 401         if( !curwin.window || drawable != (((NP_Port*) (curwin.window))->port) )
 402         {
 403             /* set/change parent window */
 404             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, NULL);
 405         }
 406
 407         /* as MacOS X video output is windowless, set viewport */
 408         libvlc_rectangle_t view, clip;
 409
 410         /*
 411         ** browser sets port origin to top-left location of plugin relative to GrafPort
 412         ** window origin is set relative to document, which of little use for drawing
 413         */
 414         view.top     = ((NP_Port*) (window->window))->porty;
 415         view.left    = ((NP_Port*) (window->window))->portx;
 416         view.bottom  = window->height+view.top;
 417         view.right   = window->width+view.left;
 418         /* clipRect coordinates are also relative to GrafPort */
 419         clip.top     = window->clipRect.top;
 420         clip.left    = window->clipRect.left;
 421         clip.bottom  = window->clipRect.bottom;
 422         clip.right   = window->clipRect.right;
 423
 424         libvlc_video_set_viewport(p_vlc, &view, &clip, NULL);
 425
 426         /* remember new window */
 427         p_plugin->setWindow(*window);
 428     }
 429     else if( curwin.window ) {
 430         /* change/set parent */
 431         libvlc_video_set_parent(p_vlc, 0, NULL);
 432         curwin.window = NULL;
 433     }
 434 #endif /* XP_MACOSX */
 435
 436 #ifdef XP_WIN
 437     if( window && window->window )
 438     {
 439         /* check if plugin has a new parent window */
 440         HWND drawable = (HWND) (window->window);
 441         if( !curwin.window || drawable != curwin.window )
 442         {
 443             /* reset previous window settings */
 444             HWND oldwin = (HWND)p_plugin->getWindow().window;
 445             WNDPROC oldproc = p_plugin->getWindowProc();
 446             if( oldproc )
 447             {
 448                 /* reset WNDPROC */
 449                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
 450             }
 451             /* attach our plugin object */
 452             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
 453                              reinterpret_cast<LONG_PTR>(p_plugin));
 454
 455             /* install our WNDPROC */
 456             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
 457                                              GWL_WNDPROC, (LONG)Manage ) );
 458
 459             /* change window style to our liking */
 460             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
 461             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
 462             SetWindowLong((HWND)drawable, GWL_STYLE, style);
 463
 464             /* change/set parent */
 465             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, NULL);
 466
 467             /* remember new window */
 468             p_plugin->setWindow(*window);
 469
 470             /* Redraw window */
 471             InvalidateRect( (HWND)drawable, NULL, TRUE );
 472             UpdateWindow( (HWND)drawable );
 473         }
 474     }
 475     else if ( curwin.window )
 476     {
 477         /* reset WNDPROC */
 478         HWND oldwin = (HWND)curwin.window;
 479         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
 480         p_plugin->setWindowProc(NULL);
 481         /* change/set parent */
 482         libvlc_video_set_parent(p_vlc, 0, NULL);
 483         curwin.window = NULL;
 484     }
 485 #endif /* XP_WIN */
 486
 487 #ifdef XP_UNIX
 488     if( window && window->window )
 489     {
 490         Window  parent   = (Window) window->window;
 491         if( !curwin.window || (parent != (Window)curwin.window) )
 492         {
 493             Display *p_display = ((NPSetWindowCallbackStruct *)window->ws_info)->display;
 494
 495             XResizeWindow( p_display, parent, window->width, window->height );
 496
 497             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
 498
 499             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
 500                            window->width, window->height - CONTROL_HEIGHT, 0,
 501                            i_blackColor, i_blackColor );
 502             Window controls = XCreateSimpleWindow( p_display, parent, 0,
 503                             window->height - CONTROL_HEIGHT-1, window->width,
 504                             CONTROL_HEIGHT-1, 0, i_blackColor, i_blackColor );
 505
 506             XMapWindow( p_display, parent );
 507             XMapWindow( p_display, video );
 508             XMapWindow( p_display, controls );
 509
 510             XFlush(p_display);
 511
 512             Widget w = XtWindowToWidget( p_display, parent );
 513
 514             XtAddEventHandler( w, ExposureMask, FALSE,
 515                                (XtEventHandler)Redraw, p_plugin );
 516             XtAddEventHandler( w, StructureNotifyMask, FALSE,
 517                                (XtEventHandler)Resize, p_plugin );
 518             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
 519                                (XtEventHandler)ControlHandler, p_plugin );
 520
 521             /* callback */
 522 /*
 523             libvlc_media_instance_t *p_md;
 524
 525             libvlc_exception_t ex;
 526             libvlc_exception_init(& ex );
 527             p_md = libvlc_playlist_get_media_instance( p_plugin->getVLC(), &ex );
 528             libvlc_exception_init( &ex );
 529             libvlc_event_attach( libvlc_media_instance_event_manager( p_md, &ex ),
 530                                  libvlc_MediaInstancePositionChanged, Redraw, NULL, &ex );
 531 */
 532
 533             /* set/change parent window */
 534             libvlc_video_set_parent( p_vlc, (libvlc_drawable_t) video, NULL );
 535
 536             /* remember window */
 537             p_plugin->setWindow( *window );
 538             p_plugin->setVideoWindow( video );
 539             p_plugin->setControlWindow( controls );
 540
 541             Redraw( w, (XtPointer)p_plugin, NULL );
 542         }
 543     }
 544     else if ( curwin.window )
 545     {
 546         /* change/set parent */
 547         libvlc_video_set_parent(p_vlc, 0, NULL);
 548         curwin.window = NULL;
 549     }
 550 #endif /* XP_UNIX */
 551
 552     if( !p_plugin->b_stream )
 553     {
 554         if( p_plugin->psz_target )
 555         {
 556             if( libvlc_playlist_add( p_vlc, p_plugin->psz_target,
 557                                      NULL, NULL ) != -1 )
 558             {
 559                 if( p_plugin->b_autoplay )
 560                 {
 561                     libvlc_playlist_play(p_vlc, 0, 0, NULL, NULL);
 562                 }
 563             }
 564             p_plugin->b_stream = VLC_TRUE;
 565         }
 566     }
 567     return NPERR_NO_ERROR;
 568 }
 569
 570 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 571                        NPBool seekable, uint16 *stype )
 572 {
 573     if( NULL == instance  )
 574     {
 575         return NPERR_INVALID_INSTANCE_ERROR;
 576     }
 577
 578     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 579     if( NULL == p_plugin )
 580     {
 581         return NPERR_INVALID_INSTANCE_ERROR;
 582     }
 583
 584    /*
 585    ** Firefox/Mozilla may decide to open a stream from the URL specified
 586    ** in the SRC parameter of the EMBED tag and pass it to us
 587    **
 588    ** since VLC will open the SRC URL as well, we're not interested in
 589    ** that stream. Otherwise, we'll take it and queue it up in the playlist
 590    */
 591     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
 592     {
 593         /* TODO: use pipes !!!! */
 594         *stype = NP_ASFILEONLY;
 595         return NPERR_NO_ERROR;
 596     }
 597     return NPERR_GENERIC_ERROR;
 598 }
 599
 600 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 601 {
 602     /* TODO */
 603     return 8*1024;
 604 }
 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
 615 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 616 {
 617     if( instance == NULL )
 618     {
 619         return NPERR_INVALID_INSTANCE_ERROR;
 620     }
 621     return NPERR_NO_ERROR;
 622 }
 623
 624
 625 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
 626 {
 627     if( instance == NULL )
 628     {
 629         return;
 630     }
 631
 632     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 633     if( NULL == p_plugin )
 634     {
 635         return;
 636     }
 637
 638     if( libvlc_playlist_add( p_plugin->getVLC(), fname, stream->url, NULL ) != -1 )
 639     {
 640         if( p_plugin->b_autoplay )
 641         {
 642             libvlc_playlist_play( p_plugin->getVLC(), 0, 0, NULL, NULL);
 643         }
 644     }
 645 }
 646
 647
 648 void NPP_URLNotify( NPP instance, const char* url,
 649                     NPReason reason, void* notifyData )
 650 {
 651     /***** Insert NPP_URLNotify code here *****\
 652     PluginInstance* p_plugin;
 653     if (instance != NULL)
 654         p_plugin = (PluginInstance*) instance->pdata;
 655     \*********************************************/
 656 }
 657
 658
 659 void NPP_Print( NPP instance, NPPrint* printInfo )
 660 {
 661     if( printInfo == NULL )
 662     {
 663         return;
 664     }
 665
 666     if( instance != NULL )
 667     {
 668         /***** Insert NPP_Print code here *****\
 669         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 670         \**************************************/
 671
 672         if( printInfo->mode == NP_FULL )
 673         {
 674             /*
 675              * PLUGIN DEVELOPERS:
 676              *  If your plugin would like to take over
 677              *  printing completely when it is in full-screen mode,
 678              *  set printInfo->pluginPrinted to TRUE and print your
 679              *  plugin as you see fit.  If your plugin wants Netscape
 680              *  to handle printing in this case, set
 681              *  printInfo->pluginPrinted to FALSE (the default) and
 682              *  do nothing.  If you do want to handle printing
 683              *  yourself, printOne is true if the print button
 684              *  (as opposed to the print menu) was clicked.
 685              *  On the Macintosh, platformPrint is a THPrint; on
 686              *  Windows, platformPrint is a structure
 687              *  (defined in npapi.h) containing the printer name, port,
 688              *  etc.
 689              */
 690
 691             /***** Insert NPP_Print code here *****\
 692             void* platformPrint =
 693                 printInfo->print.fullPrint.platformPrint;
 694             NPBool printOne =
 695                 printInfo->print.fullPrint.printOne;
 696             \**************************************/
 697
 698             /* Do the default*/
 699             printInfo->print.fullPrint.pluginPrinted = FALSE;
 700         }
 701         else
 702         {
 703             /* If not fullscreen, we must be embedded */
 704             /*
 705              * PLUGIN DEVELOPERS:
 706              *  If your plugin is embedded, or is full-screen
 707              *  but you returned false in pluginPrinted above, NPP_Print
 708              *  will be called with mode == NP_EMBED.  The NPWindow
 709              *  in the printInfo gives the location and dimensions of
 710              *  the embedded plugin on the printed page.  On the
 711              *  Macintosh, platformPrint is the printer port; on
 712              *  Windows, platformPrint is the handle to the printing
 713              *  device context.
 714              */
 715
 716             /***** Insert NPP_Print code here *****\
 717             NPWindow* printWindow =
 718                 &(printInfo->print.embedPrint.window);
 719             void* platformPrint =
 720                 printInfo->print.embedPrint.platformPrint;
 721             \**************************************/
 722         }
 723     }
 724 }
 725
 726 /******************************************************************************
 727  * Windows-only methods
 728  *****************************************************************************/
 729 #if XP_WIN
 730 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 731 {
 732     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
 733
 734     switch( i_msg )
 735     {
 736         case WM_ERASEBKGND:
 737             return 1L;
 738
 739         case WM_PAINT:
 740         {
 741             PAINTSTRUCT paintstruct;
 742             HDC hdc;
 743             RECT rect;
 744
 745             hdc = BeginPaint( p_hwnd, &paintstruct );
 746
 747             GetClientRect( p_hwnd, &rect );
 748
 749             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
 750             SetTextColor(hdc, RGB(255, 255, 255));
 751             SetBkColor(hdc, RGB(0, 0, 0));
 752             DrawText( hdc, WINDOW_TEXT, strlen(WINDOW_TEXT), &rect,
 753                       DT_CENTER|DT_VCENTER|DT_SINGLELINE);
 754
 755             EndPaint( p_hwnd, &paintstruct );
 756             return 0L;
 757         }
 758         default:
 759             /* delegate to default handler */
 760             return CallWindowProc(p_plugin->getWindowProc(), p_hwnd, i_msg, wpar, lpar );
 761     }
 762 }
 763 #endif /* XP_WIN */
 764
 765 /******************************************************************************
 766  * UNIX-only methods
 767  *****************************************************************************/
 768 #ifdef XP_UNIX
 769 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 770 {
 771     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 772     const NPWindow& window = p_plugin->getWindow();
 773     GC gc;
 774     XGCValues gcv;
 775
 776     /* Toolbar */
 777     XImage *p_playIcon = NULL;
 778     XImage *p_pauseIcon = NULL;
 779     XImage *p_stopIcon = NULL;
 780     XImage *p_timeline = NULL;
 781     XImage *p_timeKnob = NULL;
 782     XImage *p_fscreen = NULL;
 783     XImage *p_muteIcon = NULL;
 784     XImage *p_unmuteIcon = NULL;
 785
 786     libvlc_media_instance_t *p_md = NULL;
 787     float f_position = 0;
 788     int i_playing = 0;
 789     bool b_mute = false;
 790
 791     Window video = p_plugin->getVideoWindow();
 792     Window control = p_plugin->getControlWindow();
 793     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 794
 795     gcv.foreground = BlackPixel( p_display, 0 );
 796     gc = XCreateGC( p_display, video, GCForeground, &gcv );
 797
 798     XFillRectangle( p_display, video, gc,
 799                     0, 0, window.width, window.height - CONTROL_HEIGHT );
 800
 801     gcv.foreground = WhitePixel( p_display, 0 );
 802     XChangeGC( p_display, gc, GCForeground, &gcv );
 803
 804     XDrawString( p_display, video, gc,
 805                  window.width / 2 - 40, (window.height - CONTROL_HEIGHT) / 2,
 806                  WINDOW_TEXT, strlen(WINDOW_TEXT) );
 807
 808     /* RedrawToolbar */
 809     gcv.foreground = BlackPixel( p_display, 0 );
 810     gc = XCreateGC( p_display, control, GCForeground, &gcv );
 811
 812     XFillRectangle( p_display, control, gc,
 813                     0, 0, window.width, CONTROL_HEIGHT );
 814
 815
 816     gcv.foreground = WhitePixel( p_display, 0 );
 817     XChangeGC( p_display, gc, GCForeground, &gcv );
 818
 819     /* get media instance */
 820     libvlc_exception_t ex;
 821     libvlc_exception_init( &ex );
 822     p_md = libvlc_playlist_get_media_instance( p_plugin->getVLC(), &ex );
 823     libvlc_exception_clear( &ex );
 824
 825     /* get isplaying */
 826     libvlc_exception_init( &ex );
 827     i_playing = libvlc_playlist_isplaying( p_plugin->getVLC(), &ex );
 828     libvlc_exception_clear( &ex );
 829
 830     /* get mute info */
 831     libvlc_exception_init(&ex);
 832     b_mute = libvlc_audio_get_mute( p_plugin->getVLC(), &ex );
 833     libvlc_exception_clear( &ex );
 834
 835     /* get movie position in % */
 836     if( i_playing == 1 )
 837     {
 838         libvlc_exception_init( &ex );
 839         f_position = libvlc_media_instance_get_position(p_md, &ex)*100;
 840         libvlc_exception_clear( &ex );
 841     }
 842     libvlc_media_instance_release(p_md);
 843
 844     /* load icons */
 845     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/play.xpm",
 846                         &p_playIcon, NULL, NULL);
 847     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/pause.xpm",
 848                         &p_pauseIcon, NULL, NULL);
 849     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/stop.xpm",
 850                         &p_stopIcon, NULL, NULL );
 851     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/time_line.xpm",
 852                         &p_timeline, NULL, NULL);
 853     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/time_icon.xpm",
 854                         &p_timeKnob, NULL, NULL);
 855     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/fullscreen.xpm",
 856                         &p_fscreen, NULL, NULL);
 857     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/volume_max.xpm",
 858                         &p_muteIcon, NULL, NULL);
 859     XpmReadFileToImage( p_display, DATA_PATH "/mozilla/volume_mute.xpm",
 860                         &p_unmuteIcon, NULL, NULL);
 861
 862 #if 1 /* DEBUG */
 863     if( !p_playIcon )
 864     {
 865         fprintf(stderr, "Error: playImage not found\n");
 866     }
 867     if( !p_pauseIcon )
 868     {
 869         fprintf(stderr, "Error: pauseImage not found\n");
 870     }
 871     if( !p_stopIcon )
 872     {
 873         fprintf(stderr, "Error: stopImage not found\n");
 874     }
 875     if( !p_timeline )
 876     {
 877         fprintf(stderr, "Error: TimeLineImage not found\n");
 878     }
 879     if( !p_timeKnob )
 880     {
 881         fprintf(stderr, "Error: TimeIcon not found\n");
 882     }
 883     if( !p_fscreen )
 884     {
 885         fprintf(stderr, "Error: FullscreenImage not found\n");
 886     }
 887     if( !p_muteIcon )
 888     {
 889         fprintf(stderr, "Error: MuteImage not found\n");
 890     }
 891     if( !p_unmuteIcon )
 892     {
 893         fprintf(stderr, "Error: UnMuteImage not found\n");
 894     }
 895 #endif
 896
 897     /* position icons */
 898     if( p_pauseIcon && (i_playing == 1) )
 899     {
 900         XPutImage( p_display, control, gc, p_pauseIcon, 0, 0, 4, 14,
 901                    p_pauseIcon->width, p_pauseIcon->height );
 902     }
 903     else if( p_playIcon )
 904     {
 905         XPutImage( p_display, control, gc, p_playIcon, 0, 0, 4, 14,
 906                    p_playIcon->width, p_playIcon->height );
 907     }
 908
 909     if( p_stopIcon )
 910         XPutImage( p_display, control, gc, p_stopIcon, 0, 0, 39, 14,
 911                    p_stopIcon->width, p_stopIcon->height );
 912     if( p_fscreen )
 913         XPutImage( p_display, control, gc, p_fscreen, 0, 0, 67, 21,
 914                    p_fscreen->width, p_fscreen->height );
 915
 916     if( p_unmuteIcon && b_mute )
 917     {
 918         XPutImage( p_display, control, gc, p_unmuteIcon, 0, 0, 94, 30,
 919                  p_unmuteIcon->width, p_unmuteIcon->height );
 920     }
 921     else if( p_muteIcon )
 922     {
 923         XPutImage( p_display, control, gc, p_muteIcon, 0, 0, 94, 30,
 924                    p_muteIcon->width, p_muteIcon->height );
 925     }
 926
 927     if( p_timeline )
 928         XPutImage( p_display, control, gc, p_timeline, 0, 0, 4, 4,
 929                    (window.width-8), p_timeline->height );
 930     if( p_timeKnob && (f_position > 0) )
 931     {
 932         f_position = (((float)window.width-8)/100)*f_position;
 933         XPutImage( p_display, control, gc, p_timeKnob, 0, 0, (4+f_position), 2,
 934                    p_timeKnob->width, p_timeKnob->height );
 935     }
 936
 937     /* Cleanup */
 938     if( p_playIcon )   XDestroyImage( p_playIcon );
 939     if( p_pauseIcon )  XDestroyImage( p_pauseIcon );
 940     if( p_stopIcon )   XDestroyImage( p_stopIcon );
 941     if( p_timeline )   XDestroyImage( p_timeline );
 942     if( p_timeKnob )   XDestroyImage( p_timeKnob );
 943     if( p_fscreen )    XDestroyImage( p_fscreen );
 944     if( p_muteIcon )   XDestroyImage( p_muteIcon );
 945     if( p_unmuteIcon ) XDestroyImage( p_unmuteIcon );
 946
 947     XFreeGC( p_display, gc );
 948 }
 949
 950 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
 951 {
 952     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 953     const NPWindow& window = p_plugin->getWindow();
 954
 955     int i_height = window.height;
 956     int i_width = window.width;
 957     int i_xPos = event->xbutton.x;
 958     int i_yPos = event->xbutton.y;
 959
 960     libvlc_exception_t ex;
 961     libvlc_exception_init( &ex );
 962     libvlc_media_instance_t *p_md =
 963             libvlc_playlist_get_media_instance(p_plugin->getVLC(), &ex);
 964     libvlc_exception_clear( &ex );
 965
 966     /* jump in the movie */
 967     if( i_yPos <= (i_height-30) )
 968     {
 969         vlc_int64_t f_length;
 970         libvlc_exception_init( &ex );
 971         f_length = libvlc_media_instance_get_length( p_md, &ex ) / 100;
 972         libvlc_exception_clear( &ex );
 973
 974         f_length = (float)f_length *
 975                    ( ((float)i_xPos-4 ) / ( ((float)i_width-8)/100) );
 976
 977         libvlc_exception_init( &ex );
 978         libvlc_media_instance_set_time( p_md, f_length, &ex );
 979         libvlc_exception_clear( &ex );
 980     }
 981
 982     /* play/pause toggle */
 983     if( (i_yPos > (i_height-30)) && (i_xPos > 4) && (i_xPos <= 39) )
 984     {
 985         int i_playing;
 986         libvlc_exception_init( &ex );
 987         i_playing = libvlc_playlist_isplaying( p_plugin->getVLC(), &ex );
 988         libvlc_exception_clear( &ex );
 989
 990         libvlc_exception_init( &ex );
 991         if( i_playing == 1 )
 992             libvlc_playlist_pause( p_plugin->getVLC(), &ex );
 993         else
 994             libvlc_playlist_play( p_plugin->getVLC(), -1, 0, NULL, &ex );
 995         libvlc_exception_clear( &ex );
 996     }
 997
 998     /* stop */
 999     if( (i_yPos > (i_height-30)) && (i_xPos > 39) && (i_xPos < 67) )
1000     {
1001         libvlc_exception_init( &ex );
1002         libvlc_playlist_stop( p_plugin->getVLC(), &ex );
1003         libvlc_exception_clear( &ex );
1004     }
1005
1006     /* fullscreen */
1007     if( (i_yPos > (i_height-30)) && (i_xPos >= 67) && (i_xPos < 94) )
1008     {
1009         libvlc_exception_init( &ex );
1010         libvlc_set_fullscreen( p_md, 1, &ex );
1011         libvlc_exception_clear( &ex );
1012     }
1013
1014     /* mute toggle */
1015     if( (i_yPos > (i_height-30)) && (i_xPos >= 94) && (i_xPos < 109))
1016     {
1017         libvlc_exception_init( &ex );
1018         libvlc_audio_toggle_mute( p_plugin->getVLC(), &ex );
1019         libvlc_exception_clear( &ex );
1020     }
1021     libvlc_media_instance_release( p_md );
1022
1023     Redraw( w, closure, event );
1024 }
1025
1026 static void Resize ( Widget w, XtPointer closure, XEvent *event )
1027 {
1028     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
1029     const NPWindow& window = p_plugin->getWindow();
1030     Window  drawable   = p_plugin->getVideoWindow();
1031     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
1032
1033     int i_ret;
1034     Window root_return, parent_return, * children_return;
1035     Window base_window;
1036     unsigned int i_nchildren;
1037
1038 #ifdef X11_RESIZE_DEBUG
1039     XWindowAttributes attr;
1040
1041     if( event && event->type == ConfigureNotify )
1042     {
1043         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
1044                  "send_event ? %s\n", event->xconfigure.width,
1045                  event->xconfigure.height,
1046                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
1047     }
1048 #endif /* X11_RESIZE_DEBUG */
1049
1050     if( ! p_plugin->setSize(window.width, (window.height - CONTROL_HEIGHT)) )
1051     {
1052         /* size already set */
1053         return;
1054     }
1055
1056
1057     i_ret = XResizeWindow( p_display, drawable, window.width, (window.height - CONTROL_HEIGHT) );
1058
1059 #ifdef X11_RESIZE_DEBUG
1060     fprintf( stderr,
1061              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
1062
1063     XGetWindowAttributes ( p_display, drawable, &attr );
1064
1065     /* X is asynchronous, so the current size reported here is not
1066        necessarily the requested size as the Resize request may not
1067        yet have been handled by the plugin host */
1068     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
1069              attr.width, attr.height );
1070 #endif /* X11_RESIZE_DEBUG */
1071
1072     XQueryTree( p_display, drawable,
1073                 &root_return, &parent_return, &children_return,
1074                 &i_nchildren );
1075
1076     if( i_nchildren > 0 )
1077     {
1078         /* XXX: Make assumptions related to the window parenting structure in
1079            vlc/modules/video_output/x11/xcommon.c */
1080         base_window = children_return[i_nchildren - 1];
1081
1082 #ifdef X11_RESIZE_DEBUG
1083         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
1084         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
1085                  base_window );
1086 #endif /* X11_RESIZE_DEBUG */
1087
1088         i_ret = XResizeWindow( p_display, base_window,
1089                 window.width, ( window.height - CONTROL_HEIGHT ) );
1090
1091 #ifdef X11_RESIZE_DEBUG
1092         fprintf( stderr,
1093                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
1094                  i_ret );
1095
1096         XGetWindowAttributes( p_display, base_window, &attr );
1097
1098         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
1099                  attr.width, attr.height );
1100 #endif /* X11_RESIZE_DEBUG */
1101     }
1102 }
1103
1104 #endif /* XP_UNIX */
1105