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

   1 /*****************************************************************************
   2  * vlcshell.c: a VideoLAN Client plugin for Mozilla
   3  *****************************************************************************
   4  * Copyright (C) 2002 VideoLAN
   5  * $Id: vlcshell.cpp,v 1.9 2003/02/01 18:54:10 sam Exp $
   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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 /* vlc stuff */
  31 #include <vlc/vlc.h>
  32
  33 /* Mozilla stuff */
  34 #include <npapi.h>
  35
  36 #ifdef XP_WIN
  37     /* Windows stuff */
  38 #endif
  39
  40 #ifdef XP_UNIX
  41     /* X11 stuff */
  42 #   include <X11/Xlib.h>
  43 #   include <X11/Intrinsic.h>
  44 #   include <X11/StringDefs.h>
  45 #endif
  46
  47 #include "vlcpeer.h"
  48 #include "vlcplugin.h"
  49
  50 /* XXX: disable VLC */
  51 #define USE_LIBVLC 1
  52
  53 #if USE_LIBVLC
  54 #   define WINDOW_TEXT "(no picture)"
  55 #else
  56 #   define WINDOW_TEXT "(no libvlc)"
  57 #endif
  58
  59 /*****************************************************************************
  60  * Unix-only declarations
  61 ******************************************************************************/
  62 #ifdef XP_UNIX
  63 #   define VOUT_PLUGINS "xvideo,x11,dummy"
  64 #   define AOUT_PLUGINS "oss,dummy"
  65
  66 static void Redraw( Widget w, XtPointer closure, XEvent *event );
  67 #endif
  68
  69 /*****************************************************************************
  70  * Windows-only declarations
  71  *****************************************************************************/
  72 #ifdef XP_WIN
  73 #   define VOUT_PLUGINS "directx,dummy"
  74 #   define AOUT_PLUGINS "none" /* "directx,waveout,dummy" */
  75
  76 HINSTANCE g_hDllInstance = NULL;
  77
  78 BOOL WINAPI
  79 DllMain( HINSTANCE  hinstDLL,                   // handle of DLL module
  80                     DWORD  fdwReason,       // reason for calling function
  81                     LPVOID  lpvReserved)
  82 {
  83     switch (fdwReason)
  84     {
  85         case DLL_PROCESS_ATTACH:
  86             g_hDllInstance = hinstDLL;
  87             break;
  88         case DLL_THREAD_ATTACH:
  89         case DLL_PROCESS_DETACH:
  90         case DLL_THREAD_DETACH:
  91             break;
  92     }
  93     return TRUE;
  94 }
  95
  96 LRESULT CALLBACK Manage( HWND, UINT, WPARAM, LPARAM );
  97 #endif
  98
  99 /******************************************************************************
 100  * UNIX-only API calls
 101  *****************************************************************************/
 102 char * NPP_GetMIMEDescription( void )
 103 {
 104     return PLUGIN_MIMETYPES;
 105 }
 106
 107 NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
 108 {
 109     static nsIID nsid = VLCINTF_IID;
 110     static char psz_desc[1000];
 111
 112     switch( variable )
 113     {
 114         case NPPVpluginNameString:
 115             *((char **)value) = PLUGIN_NAME;
 116             return NPERR_NO_ERROR;
 117
 118         case NPPVpluginDescriptionString:
 119 #if USE_LIBVLC
 120             snprintf( psz_desc, 1000-1, PLUGIN_DESCRIPTION, VLC_Version() );
 121 #else
 122             snprintf( psz_desc, 1000-1, PLUGIN_DESCRIPTION, "(disabled)" );
 123 #endif
 124             psz_desc[1000-1] = 0;
 125             *((char **)value) = psz_desc;
 126             return NPERR_NO_ERROR;
 127
 128         default:
 129             /* go on... */
 130             break;
 131     }
 132
 133     if( instance == NULL )
 134     {
 135         return NPERR_INVALID_INSTANCE_ERROR;
 136     }
 137
 138     VlcPlugin* p_plugin = (VlcPlugin*) instance->pdata;
 139
 140     switch( variable )
 141     {
 142         case NPPVpluginScriptableInstance:
 143             *(nsISupports**)value = p_plugin->GetPeer();
 144             if( *(nsISupports**)value == NULL )
 145             {
 146                 return NPERR_OUT_OF_MEMORY_ERROR;
 147             }
 148             break;
 149
 150         case NPPVpluginScriptableIID:
 151             *(nsIID**)value = (nsIID*)NPN_MemAlloc( sizeof(nsIID) );
 152             if( *(nsIID**)value == NULL )
 153             {
 154                 return NPERR_OUT_OF_MEMORY_ERROR;
 155             }
 156             **(nsIID**)value = nsid;
 157             break;
 158
 159         default:
 160             return NPERR_GENERIC_ERROR;
 161     }
 162
 163     return NPERR_NO_ERROR;
 164 }
 165
 166 /******************************************************************************
 167  * General Plug-in Calls
 168  *****************************************************************************/
 169 NPError NPP_Initialize( void )
 170 {
 171     return NPERR_NO_ERROR;
 172 }
 173
 174 jref NPP_GetJavaClass( void )
 175 {
 176     return NULL;
 177 }
 178
 179 void NPP_Shutdown( void )
 180 {
 181     ;
 182 }
 183
 184 NPError NPP_New( NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
 185                  char* argn[], char* argv[], NPSavedData* saved )
 186 {
 187     int i;
 188 #if USE_LIBVLC
 189     vlc_value_t value;
 190     int i_ret;
 191
 192     char *ppsz_foo[] =
 193     {
 194         "vlc"
 195         /*, "--plugin-path", "/home/sam/videolan/vlc_MAIN/plugins"*/
 196     };
 197 #endif
 198
 199     if( instance == NULL )
 200     {
 201         return NPERR_INVALID_INSTANCE_ERROR;
 202     }
 203
 204     VlcPlugin * p_plugin = new VlcPlugin( instance );
 205
 206     if( p_plugin == NULL )
 207     {
 208         return NPERR_OUT_OF_MEMORY_ERROR;
 209     }
 210
 211     instance->pdata = p_plugin;
 212
 213 #ifdef XP_WIN
 214     p_plugin->p_hwnd = NULL;
 215     p_plugin->pf_wndproc = NULL;
 216 #endif
 217
 218 #ifdef XP_UNIX
 219     p_plugin->window = 0;
 220     p_plugin->p_display = NULL;
 221 #endif
 222
 223     p_plugin->p_npwin = NULL;
 224     p_plugin->i_npmode = mode;
 225     p_plugin->i_width = 0;
 226     p_plugin->i_height = 0;
 227
 228 #if USE_LIBVLC
 229     p_plugin->i_vlc = VLC_Create();
 230     if( p_plugin->i_vlc < 0 )
 231     {
 232         p_plugin->i_vlc = 0;
 233         delete p_plugin;
 234         p_plugin = NULL;
 235         return NPERR_GENERIC_ERROR;
 236     }
 237
 238     i_ret = VLC_Init( p_plugin->i_vlc, sizeof(ppsz_foo)/sizeof(char*), ppsz_foo );
 239     if( i_ret )
 240     {
 241         VLC_Destroy( p_plugin->i_vlc );
 242         p_plugin->i_vlc = 0;
 243         delete p_plugin;
 244         p_plugin = NULL;
 245         return NPERR_GENERIC_ERROR;
 246     }
 247
 248     value.psz_string = "dummy";
 249     VLC_Set( p_plugin->i_vlc, "conf::intf", value );
 250     value.psz_string = VOUT_PLUGINS;
 251     VLC_Set( p_plugin->i_vlc, "conf::vout", value );
 252     value.psz_string = AOUT_PLUGINS;
 253     VLC_Set( p_plugin->i_vlc, "conf::aout", value );
 254
 255 #else
 256     p_plugin->i_vlc = 1;
 257
 258 #endif /* USE_LIBVLC */
 259
 260     p_plugin->b_stream = VLC_FALSE;
 261     p_plugin->b_autoplay = VLC_FALSE;
 262     p_plugin->psz_target = NULL;
 263
 264     for( i = 0; i < argc ; i++ )
 265     {
 266         if( !strcmp( argn[i], "target" ) )
 267         {
 268             p_plugin->psz_target = argv[i];
 269         }
 270         else if( !strcmp( argn[i], "autoplay" ) )
 271         {
 272             if( !strcmp( argv[i], "yes" ) )
 273             {
 274                 p_plugin->b_autoplay = 1;
 275             }
 276         }
 277         else if( !strcmp( argn[i], "autostart" ) )
 278         {
 279             if( !strcmp( argv[i], "1" ) || !strcmp( argv[i], "true" ) )
 280             {
 281                 p_plugin->b_autoplay = 1;
 282             }
 283         }
 284         else if( !strcmp( argn[i], "filename" ) )
 285         {
 286             p_plugin->psz_target = argv[i];
 287         }
 288         else if( !strcmp( argn[i], "src" ) )
 289         {
 290             p_plugin->psz_target = argv[i];
 291         }
 292
 293 #if USE_LIBVLC
 294         else if( !strcmp( argn[i], "loop" ) )
 295         {
 296             if( !strcmp( argv[i], "yes" ) )
 297             {
 298                 value.b_bool = VLC_TRUE;
 299                 VLC_Set( p_plugin->i_vlc, "conf::loop", value );
 300             }
 301         }
 302 #endif
 303     }
 304
 305     if( p_plugin->psz_target )
 306     {
 307         p_plugin->psz_target = strdup( p_plugin->psz_target );
 308     }
 309
 310     return NPERR_NO_ERROR;
 311 }
 312
 313 NPError NPP_Destroy( NPP instance, NPSavedData** save )
 314 {
 315     if( instance == NULL )
 316     {
 317         return NPERR_INVALID_INSTANCE_ERROR;
 318     }
 319
 320     VlcPlugin* p_plugin = (VlcPlugin*)instance->pdata;
 321
 322     if( p_plugin != NULL )
 323     {
 324         if( p_plugin->i_vlc )
 325         {
 326 #if USE_LIBVLC
 327             VLC_Stop( p_plugin->i_vlc );
 328             VLC_Destroy( p_plugin->i_vlc );
 329 #endif
 330             p_plugin->i_vlc = 0;
 331         }
 332
 333         if( p_plugin->psz_target )
 334         {
 335             free( p_plugin->psz_target );
 336             p_plugin->psz_target = NULL;
 337         }
 338
 339         delete p_plugin;
 340     }
 341
 342     instance->pdata = NULL;
 343
 344     return NPERR_NO_ERROR;
 345 }
 346
 347 NPError NPP_SetWindow( NPP instance, NPWindow* window )
 348 {
 349     if( instance == NULL )
 350     {
 351         return NPERR_INVALID_INSTANCE_ERROR;
 352     }
 353
 354     VlcPlugin* p_plugin = (VlcPlugin*)instance->pdata;
 355
 356     /* Write the window ID for vlc */
 357 #if USE_LIBVLC
 358     vlc_value_t value;
 359
 360     /* FIXME: this cast sucks */
 361     value.i_int = (int) (ptrdiff_t) (void *) window->window;
 362     VLC_Set( p_plugin->i_vlc, "drawable", value );
 363 #endif
 364
 365     /*
 366      * PLUGIN DEVELOPERS:
 367      *  Before setting window to point to the
 368      *  new window, you may wish to compare the new window
 369      *  info to the previous window (if any) to note window
 370      *  size changes, etc.
 371      */
 372
 373 #ifdef XP_WIN
 374     if( !window || !window->window )
 375     {
 376         /* Window was destroyed. Invalidate everything. */
 377         if( p_plugin->p_npwin )
 378         {
 379             SetWindowLong( p_plugin->p_hwnd, GWL_WNDPROC,
 380                            (LONG)p_plugin->pf_wndproc );
 381             p_plugin->pf_wndproc = NULL;
 382             p_plugin->p_hwnd = NULL;
 383         }
 384
 385         p_plugin->p_npwin = window;
 386         return NPERR_NO_ERROR;
 387     }
 388
 389     if( p_plugin->p_npwin )
 390     {
 391         if( p_plugin->p_hwnd == (HWND)window->window )
 392         {
 393             /* Same window, but something may have changed. First we
 394              * update the plugin structure, then we redraw the window */
 395             InvalidateRect( p_plugin->p_hwnd, NULL, TRUE );
 396             p_plugin->i_width = window->width;
 397             p_plugin->i_height = window->height;
 398             p_plugin->p_npwin = window;
 399             UpdateWindow( p_plugin->p_hwnd );
 400             return NPERR_NO_ERROR;
 401         }
 402
 403         /* Window has changed. Destroy the one we have, and go
 404          * on as if it was a real initialization. */
 405         SetWindowLong( p_plugin->p_hwnd, GWL_WNDPROC,
 406                        (LONG)p_plugin->pf_wndproc );
 407         p_plugin->pf_wndproc = NULL;
 408         p_plugin->p_hwnd = NULL;
 409     }
 410
 411     p_plugin->pf_wndproc = (WNDPROC)SetWindowLong( (HWND)window->window,
 412                                                    GWL_WNDPROC, (LONG)Manage );
 413     p_plugin->p_hwnd = (HWND)window->window;
 414     SetProp( p_plugin->p_hwnd, "w00t", (HANDLE)p_plugin );
 415     InvalidateRect( p_plugin->p_hwnd, NULL, TRUE );
 416     UpdateWindow( p_plugin->p_hwnd );
 417 #endif
 418
 419 #ifdef XP_UNIX
 420     p_plugin->window = (Window) window->window;
 421     p_plugin->p_display = ((NPSetWindowCallbackStruct *)window->ws_info)->display;
 422
 423     Widget w = XtWindowToWidget( p_plugin->p_display, p_plugin->window );
 424     XtAddEventHandler( w, ExposureMask, FALSE,
 425                        (XtEventHandler)Redraw, p_plugin );
 426     Redraw( w, (XtPointer)p_plugin, NULL );
 427 #endif
 428
 429     p_plugin->p_npwin = window;
 430
 431     p_plugin->i_width = window->width;
 432     p_plugin->i_height = window->height;
 433
 434     if( !p_plugin->b_stream )
 435     {
 436         int i_mode = PLAYLIST_APPEND;
 437
 438         if( p_plugin->b_autoplay )
 439         {
 440             i_mode |= PLAYLIST_GO;
 441         }
 442
 443         if( p_plugin->psz_target )
 444         {
 445 #if USE_LIBVLC
 446             VLC_AddTarget( p_plugin->i_vlc, p_plugin->psz_target,
 447                            i_mode, PLAYLIST_END );
 448 #endif
 449             p_plugin->b_stream = VLC_TRUE;
 450         }
 451     }
 452
 453     return NPERR_NO_ERROR;
 454 }
 455
 456 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 457                        NPBool seekable, uint16 *stype )
 458 {
 459     if( instance == NULL )
 460     {
 461         return NPERR_INVALID_INSTANCE_ERROR;
 462     }
 463
 464 #if 0
 465     VlcPlugin* p_plugin = (VlcPlugin*)instance->pdata;
 466 #endif
 467
 468     /* fprintf(stderr, "NPP_NewStream - FILE mode !!\n"); */
 469
 470     /* We want a *filename* ! */
 471     *stype = NP_ASFILE;
 472
 473 #if 0
 474     if( !p_plugin->b_stream )
 475     {
 476         p_plugin->psz_target = strdup( stream->url );
 477         p_plugin->b_stream = VLC_TRUE;
 478     }
 479 #endif
 480
 481     return NPERR_NO_ERROR;
 482 }
 483
 484 int32 STREAMBUFSIZE = 0X0FFFFFFF; /* If we are reading from a file in NPAsFile
 485                    * mode so we can take any size stream in our
 486                    * write call (since we ignore it) */
 487
 488 #define SARASS_SIZE (1024*1024)
 489
 490 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 491 {
 492     VlcPlugin* p_plugin;
 493
 494     /* fprintf(stderr, "NPP_WriteReady\n"); */
 495
 496     if (instance != NULL)
 497     {
 498         p_plugin = (VlcPlugin*) instance->pdata;
 499         /* Muahahahahahahaha */
 500         return STREAMBUFSIZE;
 501         /*return SARASS_SIZE;*/
 502     }
 503
 504     /* Number of bytes ready to accept in NPP_Write() */
 505     return STREAMBUFSIZE;
 506     /*return 0;*/
 507 }
 508
 509
 510 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
 511                  int32 len, void *buffer )
 512 {
 513     /* fprintf(stderr, "NPP_Write %i\n", (int)len); */
 514
 515     if( instance != NULL )
 516     {
 517         /*VlcPlugin* p_plugin = (VlcPlugin*) instance->pdata;*/
 518     }
 519
 520     return len;         /* The number of bytes accepted */
 521 }
 522
 523
 524 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 525 {
 526     if( instance == NULL )
 527     {
 528         return NPERR_INVALID_INSTANCE_ERROR;
 529     }
 530
 531     return NPERR_NO_ERROR;
 532 }
 533
 534
 535 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
 536 {
 537     if( instance == NULL )
 538     {
 539         return;
 540     }
 541
 542     /* fprintf(stderr, "NPP_StreamAsFile %s\n", fname); */
 543
 544 #if USE_LIBVLC
 545     VlcPlugin* p_plugin = (VlcPlugin*)instance->pdata;
 546
 547     VLC_AddTarget( p_plugin->i_vlc, fname,
 548                    PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 549 #endif
 550 }
 551
 552
 553 void NPP_URLNotify( NPP instance, const char* url,
 554                     NPReason reason, void* notifyData )
 555 {
 556     /***** Insert NPP_URLNotify code here *****\
 557     PluginInstance* p_plugin;
 558     if (instance != NULL)
 559         p_plugin = (PluginInstance*) instance->pdata;
 560     \*********************************************/
 561 }
 562
 563
 564 void NPP_Print( NPP instance, NPPrint* printInfo )
 565 {
 566     if( printInfo == NULL )
 567     {
 568         return;
 569     }
 570
 571     if( instance != NULL )
 572     {
 573         /***** Insert NPP_Print code here *****\
 574         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 575         \**************************************/
 576
 577         if( printInfo->mode == NP_FULL )
 578         {
 579             /*
 580              * PLUGIN DEVELOPERS:
 581              *  If your plugin would like to take over
 582              *  printing completely when it is in full-screen mode,
 583              *  set printInfo->pluginPrinted to TRUE and print your
 584              *  plugin as you see fit.  If your plugin wants Netscape
 585              *  to handle printing in this case, set
 586              *  printInfo->pluginPrinted to FALSE (the default) and
 587              *  do nothing.  If you do want to handle printing
 588              *  yourself, printOne is true if the print button
 589              *  (as opposed to the print menu) was clicked.
 590              *  On the Macintosh, platformPrint is a THPrint; on
 591              *  Windows, platformPrint is a structure
 592              *  (defined in npapi.h) containing the printer name, port,
 593              *  etc.
 594              */
 595
 596             /***** Insert NPP_Print code here *****\
 597             void* platformPrint =
 598                 printInfo->print.fullPrint.platformPrint;
 599             NPBool printOne =
 600                 printInfo->print.fullPrint.printOne;
 601             \**************************************/
 602
 603             /* Do the default*/
 604             printInfo->print.fullPrint.pluginPrinted = FALSE;
 605         }
 606         else
 607         {
 608             /* If not fullscreen, we must be embedded */
 609             /*
 610              * PLUGIN DEVELOPERS:
 611              *  If your plugin is embedded, or is full-screen
 612              *  but you returned false in pluginPrinted above, NPP_Print
 613              *  will be called with mode == NP_EMBED.  The NPWindow
 614              *  in the printInfo gives the location and dimensions of
 615              *  the embedded plugin on the printed page.  On the
 616              *  Macintosh, platformPrint is the printer port; on
 617              *  Windows, platformPrint is the handle to the printing
 618              *  device context.
 619              */
 620
 621             /***** Insert NPP_Print code here *****\
 622             NPWindow* printWindow =
 623                 &(printInfo->print.embedPrint.window);
 624             void* platformPrint =
 625                 printInfo->print.embedPrint.platformPrint;
 626             \**************************************/
 627         }
 628     }
 629 }
 630
 631 /******************************************************************************
 632  * Windows-only methods
 633  *****************************************************************************/
 634 #ifdef XP_WIN
 635 LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 636 {
 637     VlcPlugin* p_plugin = (VlcPlugin*) GetProp( p_hwnd, "w00t" );
 638
 639     switch( i_msg )
 640     {
 641 #if !USE_LIBVLC
 642         case WM_PAINT:
 643         {
 644             PAINTSTRUCT paintstruct;
 645             HDC hdc;
 646             RECT rect;
 647
 648             hdc = BeginPaint( p_hwnd, &paintstruct );
 649
 650             GetClientRect( p_hwnd, &rect );
 651             FillRect( hdc, &rect, (HBRUSH)GetStockObject(WHITE_BRUSH) );
 652             TextOut( hdc, p_plugin->i_width / 2 - 40, p_plugin->i_height / 2,
 653                      WINDOW_TEXT, strlen(WINDOW_TEXT) );
 654
 655             EndPaint( p_hwnd, &paintstruct );
 656             break;
 657         }
 658 #endif
 659         default:
 660             p_plugin->pf_wndproc( p_hwnd, i_msg, wpar, lpar );
 661             break;
 662     }
 663     return 0;
 664 }
 665 #endif
 666
 667 /******************************************************************************
 668  * UNIX-only methods
 669  *****************************************************************************/
 670 #ifdef XP_UNIX
 671 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 672 {
 673     VlcPlugin* p_plugin = (VlcPlugin*)closure;
 674     GC gc;
 675     XGCValues gcv;
 676
 677     gcv.foreground = BlackPixel( p_plugin->p_display, 0 );
 678     gc = XCreateGC( p_plugin->p_display, p_plugin->window, GCForeground, &gcv );
 679
 680     XFillRectangle( p_plugin->p_display, p_plugin->window, gc,
 681                     0, 0, p_plugin->i_width, p_plugin->i_height );
 682
 683     gcv.foreground = WhitePixel( p_plugin->p_display, 0 );
 684     XChangeGC( p_plugin->p_display, gc, GCForeground, &gcv );
 685
 686     XDrawString( p_plugin->p_display, p_plugin->window, gc,
 687                  p_plugin->i_width / 2 - 40, p_plugin->i_height / 2,
 688                  WINDOW_TEXT, strlen(WINDOW_TEXT) );
 689
 690     XFreeGC( p_plugin->p_display, gc );
 691 }
 692 #endif
 693