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             if( libvlc_exception_raised(&ex) )
 396                 fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 397             libvlc_exception_clear(&ex);
 398         }
 399
 400         /* as MacOS X video output is windowless, set viewport */
 401         libvlc_rectangle_t view, clip;
 402
 403         /*
 404         ** browser sets port origin to top-left location of plugin
 405         ** relative to GrafPort window origin is set relative to document,
 406         ** which of little use for drawing
 407         */
 408         view.top     = ((NP_Port*) (window->window))->porty;
 409         view.left    = ((NP_Port*) (window->window))->portx;
 410         view.bottom  = window->height+view.top;
 411         view.right   = window->width+view.left;
 412
 413         /* clipRect coordinates are also relative to GrafPort */
 414         clip.top     = window->clipRect.top;
 415         clip.left    = window->clipRect.left;
 416         clip.bottom  = window->clipRect.bottom;
 417         clip.right   = window->clipRect.right;
 418
 419         libvlc_video_set_viewport(p_vlc, &view, &clip, &ex);
 420         if( libvlc_exception_raised(&ex) )
 421             fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 422         libvlc_exception_clear(&ex);
 423
 424         /* remember new window */
 425         p_plugin->setWindow(*window);
 426     }
 427     else if( curwin.window )
 428     {
 429         /* change/set parent */
 430         libvlc_video_set_parent(p_vlc, 0, &ex);
 431
 432         if( libvlc_exception_raised(&ex) )
 433             fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 434         libvlc_exception_clear(&ex);
 435
 436         curwin.window = NULL;
 437     }
 438 #endif /* XP_MACOSX */
 439
 440 #ifdef XP_WIN
 441     if( window && window->window )
 442     {
 443         /* check if plugin has a new parent window */
 444         HWND drawable = (HWND) (window->window);
 445         if( !curwin.window || drawable != curwin.window )
 446         {
 447             /* reset previous window settings */
 448             HWND oldwin = (HWND)p_plugin->getWindow().window;
 449             WNDPROC oldproc = p_plugin->getWindowProc();
 450             if( oldproc )
 451             {
 452                 /* reset WNDPROC */
 453                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
 454             }
 455             /* attach our plugin object */
 456             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
 457                              reinterpret_cast<LONG_PTR>(p_plugin));
 458
 459             /* install our WNDPROC */
 460             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
 461                                              GWL_WNDPROC, (LONG)Manage ) );
 462
 463             /* change window style to our liking */
 464             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
 465             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
 466             SetWindowLong((HWND)drawable, GWL_STYLE, style);
 467
 468             /* change/set parent */
 469             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, &ex);
 470             if( libvlc_exception_raised(&ex) )
 471                 fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 472             libvlc_exception_clear(&ex);
 473
 474             /* remember new window */
 475             p_plugin->setWindow(*window);
 476
 477             /* Redraw window */
 478             InvalidateRect( (HWND)drawable, NULL, TRUE );
 479             UpdateWindow( (HWND)drawable );
 480         }
 481     }
 482     else if( curwin.window )
 483     {
 484         /* reset WNDPROC */
 485         HWND oldwin = (HWND)curwin.window;
 486         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
 487         p_plugin->setWindowProc(NULL);
 488
 489         /* change/set parent */
 490         libvlc_video_set_parent(p_vlc, 0, &ex);
 491         if( libvlc_exception_raised(&ex) )
 492             fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 493         libvlc_exception_clear(&ex);
 494
 495         curwin.window = NULL;
 496     }
 497 #endif /* XP_WIN */
 498
 499 #ifdef XP_UNIX
 500     /* default to hidden toolbar, shown at the end of this method if asked *
 501      * developers note : getToolbarSize need to wait the end of this method
 502      */
 503     i_control_height = 0;
 504     i_control_width = window->width;
 505
 506     if( window && window->window )
 507     {
 508         Window  parent  = (Window) window->window;
 509         if( !curwin.window || (parent != (Window)curwin.window) )
 510         {
 511             Display *p_display = ( (NPSetWindowCallbackStruct *)
 512                                    window->ws_info )->display;
 513
 514             XResizeWindow( p_display, parent, window->width, window->height );
 515
 516             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
 517
 518             /* create windows */
 519             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
 520                            window->width, window->height - i_control_height,
 521                            0, i_blackColor, i_blackColor );
 522             Window controls = (Window) NULL;
 523             controls = XCreateSimpleWindow( p_display, parent,
 524                             0, window->height - i_control_height-1,
 525                             window->width, i_control_height-1,
 526                             0, i_blackColor, i_blackColor );
 527
 528             XMapWindow( p_display, parent );
 529             XMapWindow( p_display, video );
 530             if( controls ) { XMapWindow( p_display, controls ); }
 531
 532             XFlush(p_display);
 533
 534             /* bind events */
 535             Widget w = XtWindowToWidget( p_display, parent );
 536
 537             XtAddEventHandler( w, ExposureMask, FALSE,
 538                                (XtEventHandler)Redraw, p_plugin );
 539             XtAddEventHandler( w, StructureNotifyMask, FALSE,
 540                                (XtEventHandler)Resize, p_plugin );
 541             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
 542                                (XtEventHandler)ControlHandler, p_plugin );
 543
 544             /* callback */
 545 /*
 546             libvlc_media_player_t *p_md;
 547
 548             p_md = p_plugin->getMD( &ex );
 549             libvlc_exception_clear( &ex );
 550             libvlc_event_attach( libvlc_media_player_event_manager( p_md, &ex ),
 551                                  libvlc_MediaPlayerPositionChanged, Redraw, NULL, &ex );
 552 */
 553
 554             /* set/change parent window */
 555             libvlc_video_set_parent( p_vlc, (libvlc_drawable_t) video, &ex );
 556             if( libvlc_exception_raised(&ex) )
 557                 fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 558             libvlc_exception_clear(&ex);
 559
 560             /* remember window */
 561             p_plugin->setWindow( *window );
 562             p_plugin->setVideoWindow( video );
 563
 564             if( controls )
 565             {
 566                 p_plugin->setControlWindow( controls );
 567             }
 568
 569             Redraw( w, (XtPointer)p_plugin, NULL );
 570
 571             /* now display toolbar if asked through parameters */
 572             if( p_plugin->b_toolbar )
 573             {
 574                 p_plugin->showToolbar();
 575             }
 576         }
 577     }
 578     else if( curwin.window )
 579     {
 580         /* change/set parent */
 581         libvlc_video_set_parent(p_vlc, 0, &ex);
 582         if( libvlc_exception_raised(&ex) )
 583             fprintf( stderr, "Exception: %s\n", libvlc_exception_get_message(&ex) );
 584         libvlc_exception_clear(&ex);
 585         curwin.window = NULL;
 586     }
 587 #endif /* XP_UNIX */
 588
 589     if( !p_plugin->b_stream )
 590     {
 591         if( p_plugin->psz_target )
 592         {
 593             if( p_plugin->playlist_add( p_plugin->psz_target, NULL ) != -1 )
 594             {
 595                 if( p_plugin->b_autoplay )
 596                 {
 597                     p_plugin->playlist_play(NULL);
 598                 }
 599             }
 600             p_plugin->b_stream = true;
 601         }
 602     }
 603     return NPERR_NO_ERROR;
 604 }
 605
 606 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 607                        NPBool seekable, uint16 *stype )
 608 {
 609     if( NULL == instance  )
 610     {
 611         return NPERR_INVALID_INSTANCE_ERROR;
 612     }
 613
 614     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 615     if( NULL == p_plugin )
 616     {
 617         return NPERR_INVALID_INSTANCE_ERROR;
 618     }
 619
 620    /*
 621    ** Firefox/Mozilla may decide to open a stream from the URL specified
 622    ** in the SRC parameter of the EMBED tag and pass it to us
 623    **
 624    ** since VLC will open the SRC URL as well, we're not interested in
 625    ** that stream. Otherwise, we'll take it and queue it up in the playlist
 626    */
 627     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
 628     {
 629         /* TODO: use pipes !!!! */
 630         *stype = NP_ASFILEONLY;
 631         return NPERR_NO_ERROR;
 632     }
 633     return NPERR_GENERIC_ERROR;
 634 }
 635
 636 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 637 {
 638     /* TODO */
 639     return 8*1024;
 640 }
 641
 642 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
 643                  int32 len, void *buffer )
 644 {
 645     /* TODO */
 646     return len;
 647 }
 648
 649 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 650 {
 651     if( instance == NULL )
 652     {
 653         return NPERR_INVALID_INSTANCE_ERROR;
 654     }
 655     return NPERR_NO_ERROR;
 656 }
 657
 658 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
 659 {
 660     if( instance == NULL )
 661     {
 662         return;
 663     }
 664
 665     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 666     if( NULL == p_plugin )
 667     {
 668         return;
 669     }
 670
 671     if( p_plugin->playlist_add( stream->url, NULL ) != -1 )
 672     {
 673         if( p_plugin->b_autoplay )
 674         {
 675             p_plugin->playlist_play(NULL);
 676         }
 677     }
 678 }
 679
 680 void NPP_URLNotify( NPP instance, const char* url,
 681                     NPReason reason, void* notifyData )
 682 {
 683     /***** Insert NPP_URLNotify code here *****\
 684     PluginInstance* p_plugin;
 685     if (instance != NULL)
 686         p_plugin = (PluginInstance*) instance->pdata;
 687     \*********************************************/
 688 }
 689
 690 void NPP_Print( NPP instance, NPPrint* printInfo )
 691 {
 692     if( printInfo == NULL )
 693     {
 694         return;
 695     }
 696
 697     if( instance != NULL )
 698     {
 699         /***** Insert NPP_Print code here *****\
 700         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 701         \**************************************/
 702
 703         if( printInfo->mode == NP_FULL )
 704         {
 705             /*
 706              * PLUGIN DEVELOPERS:
 707              *  If your plugin would like to take over
 708              *  printing completely when it is in full-screen mode,
 709              *  set printInfo->pluginPrinted to TRUE and print your
 710              *  plugin as you see fit.  If your plugin wants Netscape
 711              *  to handle printing in this case, set
 712              *  printInfo->pluginPrinted to FALSE (the default) and
 713              *  do nothing.  If you do want to handle printing
 714              *  yourself, printOne is true if the print button
 715              *  (as opposed to the print menu) was clicked.
 716              *  On the Macintosh, platformPrint is a THPrint; on
 717              *  Windows, platformPrint is a structure
 718              *  (defined in npapi.h) containing the printer name, port,
 719              *  etc.
 720              */
 721
 722             /***** Insert NPP_Print code here *****\
 723             void* platformPrint =
 724                 printInfo->print.fullPrint.platformPrint;
 725             NPBool printOne =
 726                 printInfo->print.fullPrint.printOne;
 727             \**************************************/
 728
 729             /* Do the default*/
 730             printInfo->print.fullPrint.pluginPrinted = FALSE;
 731         }
 732         else
 733         {
 734             /* If not fullscreen, we must be embedded */
 735             /*
 736              * PLUGIN DEVELOPERS:
 737              *  If your plugin is embedded, or is full-screen
 738              *  but you returned false in pluginPrinted above, NPP_Print
 739              *  will be called with mode == NP_EMBED.  The NPWindow
 740              *  in the printInfo gives the location and dimensions of
 741              *  the embedded plugin on the printed page.  On the
 742              *  Macintosh, platformPrint is the printer port; on
 743              *  Windows, platformPrint is the handle to the printing
 744              *  device context.
 745              */
 746
 747             /***** Insert NPP_Print code here *****\
 748             NPWindow* printWindow =
 749                 &(printInfo->print.embedPrint.window);
 750             void* platformPrint =
 751                 printInfo->print.embedPrint.platformPrint;
 752             \**************************************/
 753         }
 754     }
 755 }
 756
 757 /******************************************************************************
 758  * Windows-only methods
 759  *****************************************************************************/
 760 #if XP_WIN
 761 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 762 {
 763     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
 764
 765     switch( i_msg )
 766     {
 767         case WM_ERASEBKGND:
 768             return 1L;
 769
 770         case WM_PAINT:
 771         {
 772             PAINTSTRUCT paintstruct;
 773             HDC hdc;
 774             RECT rect;
 775
 776             hdc = BeginPaint( p_hwnd, &paintstruct );
 777
 778             GetClientRect( p_hwnd, &rect );
 779
 780             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
 781             SetTextColor(hdc, RGB(255, 255, 255));
 782             SetBkColor(hdc, RGB(0, 0, 0));
 783             DrawText( hdc, WINDOW_TEXT, strlen(WINDOW_TEXT), &rect,
 784                       DT_CENTER|DT_VCENTER|DT_SINGLELINE);
 785
 786             EndPaint( p_hwnd, &paintstruct );
 787             return 0L;
 788         }
 789         default:
 790             /* delegate to default handler */
 791             return CallWindowProc( p_plugin->getWindowProc(), p_hwnd,
 792                                    i_msg, wpar, lpar );
 793     }
 794 }
 795 #endif /* XP_WIN */
 796
 797 /******************************************************************************
 798  * UNIX-only methods
 799  *****************************************************************************/
 800 #ifdef XP_UNIX
 801 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 802 {
 803     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 804     Window control = p_plugin->getControlWindow();
 805     const NPWindow& window = p_plugin->getWindow();
 806     GC gc;
 807     XGCValues gcv;
 808     unsigned int i_control_height, i_control_width;
 809
 810     if( p_plugin->b_toolbar )
 811         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 812     else
 813         i_control_height = i_control_width = 0;
 814
 815     Window video = p_plugin->getVideoWindow();
 816     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 817
 818     gcv.foreground = BlackPixel( p_display, 0 );
 819     gc = XCreateGC( p_display, video, GCForeground, &gcv );
 820
 821     XFillRectangle( p_display, video, gc,
 822                     0, 0, window.width, window.height - i_control_height);
 823
 824     gcv.foreground = WhitePixel( p_display, 0 );
 825     XChangeGC( p_display, gc, GCForeground, &gcv );
 826
 827     XDrawString( p_display, video, gc,
 828                  window.width / 2 - 40, (window.height - i_control_height) / 2,
 829                  WINDOW_TEXT, strlen(WINDOW_TEXT) );
 830     XFreeGC( p_display, gc );
 831
 832     p_plugin->redrawToolbar();
 833 }
 834
 835 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
 836 {
 837     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 838     const NPWindow& window = p_plugin->getWindow();
 839
 840     int i_height = window.height;
 841     int i_width = window.width;
 842     int i_xPos = event->xbutton.x;
 843     int i_yPos = event->xbutton.y;
 844
 845     if( p_plugin && p_plugin->b_toolbar )
 846     {
 847         int i_playing;
 848         libvlc_exception_t ex;
 849
 850         libvlc_exception_init( &ex );
 851         libvlc_media_player_t *p_md = p_plugin->getMD(&ex);
 852         if( libvlc_exception_raised(&ex) )
 853             fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 854         libvlc_exception_clear( &ex );
 855
 856         i_playing = p_plugin->playlist_isplaying( &ex );
 857         if( libvlc_exception_raised(&ex) )
 858             fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 859         libvlc_exception_clear( &ex );
 860
 861         vlc_toolbar_clicked_t clicked;
 862         clicked = p_plugin->getToolbarButtonClicked( i_xPos, i_yPos );
 863         switch( clicked )
 864         {
 865             case clicked_Play:
 866             case clicked_Pause:
 867             {
 868                 if( i_playing == 1 )
 869                     p_plugin->playlist_pause( &ex );
 870                 else
 871                     p_plugin->playlist_play( &ex );
 872
 873                 if( libvlc_exception_raised(&ex) )
 874                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 875                 libvlc_exception_clear( &ex );
 876             }
 877             break;
 878
 879             case clicked_Stop:
 880             {
 881                 p_plugin->playlist_stop(&ex);
 882                 if( libvlc_exception_raised(&ex) )
 883                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 884                 libvlc_exception_clear( &ex );
 885             }
 886             break;
 887
 888             case clicked_Fullscreen:
 889             {
 890                 p_plugin->set_fullscreen( 1, &ex );
 891                 if( libvlc_exception_raised(&ex) )
 892                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 893                 libvlc_exception_clear( &ex );
 894             }
 895             break;
 896
 897             case clicked_Mute:
 898             case clicked_Unmute:
 899             {
 900                 libvlc_audio_toggle_mute( p_plugin->getVLC(), &ex );
 901                 if( libvlc_exception_raised(&ex) )
 902                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 903                 libvlc_exception_clear( &ex );
 904             }
 905             break;
 906
 907             case clicked_timeline:
 908             {
 909                 /* if a movie is loaded */
 910                 if( p_md )
 911                 {
 912                     int64_t f_length;
 913                     f_length = libvlc_media_player_get_length( p_md, &ex ) / 100;
 914                     libvlc_exception_clear( &ex );
 915
 916                     f_length = (float)f_length *
 917                             ( ((float)i_xPos-4.0 ) / ( ((float)i_width-8.0)/100) );
 918
 919                     libvlc_media_player_set_time( p_md, f_length, &ex );
 920                     if( libvlc_exception_raised(&ex) )
 921                         fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 922                     libvlc_exception_clear( &ex );
 923                 }
 924             }
 925             break;
 926
 927             case clicked_Time:
 928             {
 929                 /* Not implemented yet*/
 930             }
 931             break;
 932
 933             default: /* button_Unknown */
 934             break;
 935         }
 936     }
 937     Redraw( w, closure, event );
 938 }
 939
 940 static void Resize ( Widget w, XtPointer closure, XEvent *event )
 941 {
 942     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 943     Window control = p_plugin->getControlWindow();
 944     const NPWindow& window = p_plugin->getWindow();
 945     Window  drawable   = p_plugin->getVideoWindow();
 946     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 947
 948     int i_ret;
 949     Window root_return, parent_return, * children_return;
 950     Window base_window;
 951     unsigned int i_nchildren;
 952     unsigned int i_control_height, i_control_width;
 953
 954     if( p_plugin->b_toolbar )
 955     {
 956         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 957     }
 958     else
 959     {
 960         i_control_height = i_control_width = 0;
 961     }
 962
 963 #ifdef X11_RESIZE_DEBUG
 964     XWindowAttributes attr;
 965
 966     if( event && event->type == ConfigureNotify )
 967     {
 968         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
 969                  "send_event ? %s\n", event->xconfigure.width,
 970                  event->xconfigure.height,
 971                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
 972     }
 973 #endif /* X11_RESIZE_DEBUG */
 974
 975     if( ! p_plugin->setSize(window.width, (window.height - i_control_height)) )
 976     {
 977         /* size already set */
 978         return;
 979     }
 980
 981     i_ret = XResizeWindow( p_display, drawable,
 982                            window.width, (window.height - i_control_height) );
 983
 984 #ifdef X11_RESIZE_DEBUG
 985     fprintf( stderr,
 986              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
 987
 988     XGetWindowAttributes ( p_display, drawable, &attr );
 989
 990     /* X is asynchronous, so the current size reported here is not
 991        necessarily the requested size as the Resize request may not
 992        yet have been handled by the plugin host */
 993     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
 994              attr.width, attr.height );
 995 #endif /* X11_RESIZE_DEBUG */
 996
 997     XQueryTree( p_display, drawable,
 998                 &root_return, &parent_return, &children_return,
 999                 &i_nchildren );
1000
1001     if( i_nchildren > 0 )
1002     {
1003         /* XXX: Make assumptions related to the window parenting structure in
1004            vlc/modules/video_output/x11/xcommon.c */
1005         base_window = children_return[i_nchildren - 1];
1006
1007 #ifdef X11_RESIZE_DEBUG
1008         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
1009         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
1010                  base_window );
1011 #endif /* X11_RESIZE_DEBUG */
1012
1013         i_ret = XResizeWindow( p_display, base_window,
1014                 window.width, ( window.height - i_control_height ) );
1015
1016 #ifdef X11_RESIZE_DEBUG
1017         fprintf( stderr,
1018                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
1019                  i_ret );
1020
1021         XGetWindowAttributes( p_display, base_window, &attr );
1022
1023         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
1024                  attr.width, attr.height );
1025 #endif /* X11_RESIZE_DEBUG */
1026     }
1027 }
1028
1029 #endif /* XP_UNIX */