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 #if defined(XP_UNIX) && !defined(__APPLE__)
 366     control = p_plugin->getControlWindow();
 367 #endif
 368     libvlc_instance_t *p_vlc = p_plugin->getVLC();
 369
 370     /*
 371      * PLUGIN DEVELOPERS:
 372      *  Before setting window to point to the
 373      *  new window, you may wish to compare the new window
 374      *  info to the previous window (if any) to note window
 375      *  size changes, etc.
 376      */
 377
 378     /* retrieve current window */
 379     NPWindow& curwin = p_plugin->getWindow();
 380
 381 #ifdef XP_MACOSX
 382     if( window && window->window )
 383     {
 384         /* check if plugin has a new parent window */
 385         CGrafPtr drawable = (((NP_Port*) (window->window))->port);
 386         if( !curwin.window || drawable != (((NP_Port*) (curwin.window))->port) )
 387         {
 388             /* set/change parent window */
 389             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, NULL);
 390         }
 391
 392         /* as MacOS X video output is windowless, set viewport */
 393         libvlc_rectangle_t view, clip;
 394
 395         /*
 396         ** browser sets port origin to top-left location of plugin
 397         ** relative to GrafPort window origin is set relative to document,
 398         ** which of little use for drawing
 399         */
 400         view.top     = ((NP_Port*) (window->window))->porty;
 401         view.left    = ((NP_Port*) (window->window))->portx;
 402         view.bottom  = window->height+view.top;
 403         view.right   = window->width+view.left;
 404         /* clipRect coordinates are also relative to GrafPort */
 405         clip.top     = window->clipRect.top;
 406         clip.left    = window->clipRect.left;
 407         clip.bottom  = window->clipRect.bottom;
 408         clip.right   = window->clipRect.right;
 409
 410         libvlc_video_set_viewport(p_vlc, &view, &clip, NULL);
 411
 412         /* remember new window */
 413         p_plugin->setWindow(*window);
 414     }
 415     else if( curwin.window )
 416     {
 417         /* change/set parent */
 418         libvlc_video_set_parent(p_vlc, 0, NULL);
 419         curwin.window = NULL;
 420     }
 421 #endif /* XP_MACOSX */
 422
 423 #ifdef XP_WIN
 424     if( window && window->window )
 425     {
 426         /* check if plugin has a new parent window */
 427         HWND drawable = (HWND) (window->window);
 428         if( !curwin.window || drawable != curwin.window )
 429         {
 430             /* reset previous window settings */
 431             HWND oldwin = (HWND)p_plugin->getWindow().window;
 432             WNDPROC oldproc = p_plugin->getWindowProc();
 433             if( oldproc )
 434             {
 435                 /* reset WNDPROC */
 436                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
 437             }
 438             /* attach our plugin object */
 439             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
 440                              reinterpret_cast<LONG_PTR>(p_plugin));
 441
 442             /* install our WNDPROC */
 443             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
 444                                              GWL_WNDPROC, (LONG)Manage ) );
 445
 446             /* change window style to our liking */
 447             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
 448             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
 449             SetWindowLong((HWND)drawable, GWL_STYLE, style);
 450
 451             /* change/set parent */
 452             libvlc_video_set_parent(p_vlc, (libvlc_drawable_t)drawable, NULL);
 453
 454             /* remember new window */
 455             p_plugin->setWindow(*window);
 456
 457             /* Redraw window */
 458             InvalidateRect( (HWND)drawable, NULL, TRUE );
 459             UpdateWindow( (HWND)drawable );
 460         }
 461     }
 462     else if ( curwin.window )
 463     {
 464         /* reset WNDPROC */
 465         HWND oldwin = (HWND)curwin.window;
 466         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
 467         p_plugin->setWindowProc(NULL);
 468         /* change/set parent */
 469         libvlc_video_set_parent(p_vlc, 0, NULL);
 470         curwin.window = NULL;
 471     }
 472 #endif /* XP_WIN */
 473
 474 #ifdef XP_UNIX
 475     /* default to hidden toolbar, shown at the end of this method if asked *
 476      * developers note : getToolbarSize need to wait the end of this method
 477      */
 478     i_control_height = 0;
 479     i_control_width = window->width;
 480
 481     if( window && window->window )
 482     {
 483         Window  parent  = (Window) window->window;
 484         if( !curwin.window || (parent != (Window)curwin.window) )
 485         {
 486             Display *p_display = ( (NPSetWindowCallbackStruct *)
 487                                    window->ws_info )->display;
 488
 489             XResizeWindow( p_display, parent, window->width, window->height );
 490
 491             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
 492
 493             /* create windows */
 494             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
 495                            window->width, window->height - i_control_height,
 496                            0, i_blackColor, i_blackColor );
 497             Window controls = (Window) NULL;
 498             controls = XCreateSimpleWindow( p_display, parent,
 499                             0, window->height - i_control_height-1,
 500                             window->width, i_control_height-1,
 501                             0, i_blackColor, i_blackColor );
 502
 503             XMapWindow( p_display, parent );
 504             XMapWindow( p_display, video );
 505             if( controls ) { XMapWindow( p_display, controls ); }
 506
 507             XFlush(p_display);
 508
 509             /* bind events */
 510             Widget w = XtWindowToWidget( p_display, parent );
 511
 512             XtAddEventHandler( w, ExposureMask, FALSE,
 513                                (XtEventHandler)Redraw, p_plugin );
 514             XtAddEventHandler( w, StructureNotifyMask, FALSE,
 515                                (XtEventHandler)Resize, p_plugin );
 516             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
 517                                (XtEventHandler)ControlHandler, p_plugin );
 518
 519             /* callback */
 520 /*
 521             libvlc_media_player_t *p_md;
 522
 523             libvlc_exception_t ex;
 524             libvlc_exception_init(& ex );
 525             p_md = p_plugin->getMD( &ex );
 526             libvlc_exception_clear( &ex );
 527             libvlc_event_attach( libvlc_media_player_event_manager( p_md, &ex ),
 528                                  libvlc_MediaPlayerPositionChanged, Redraw, NULL, &ex );
 529 */
 530
 531             /* set/change parent window */
 532             libvlc_video_set_parent( p_vlc, (libvlc_drawable_t) video, NULL );
 533
 534             /* remember window */
 535             p_plugin->setWindow( *window );
 536             p_plugin->setVideoWindow( video );
 537             if( controls ) { p_plugin->setControlWindow( controls ); }
 538
 539             Redraw( w, (XtPointer)p_plugin, NULL );
 540
 541             /* now display toolbar if asked through parameters */
 542             if( p_plugin->b_toolbar )
 543             {
 544                 p_plugin->showToolbar();
 545             }
 546         }
 547     }
 548     else if ( curwin.window )
 549     {
 550         /* change/set parent */
 551         libvlc_video_set_parent(p_vlc, 0, NULL);
 552         curwin.window = NULL;
 553     }
 554 #endif /* XP_UNIX */
 555
 556     if( !p_plugin->b_stream )
 557     {
 558         if( p_plugin->psz_target )
 559         {
 560             if( p_plugin->playlist_add( p_plugin->psz_target, NULL ) != -1 )
 561             {
 562                 if( p_plugin->b_autoplay )
 563                 {
 564                     p_plugin->playlist_play(NULL);
 565                 }
 566             }
 567             p_plugin->b_stream = true;
 568         }
 569     }
 570     return NPERR_NO_ERROR;
 571 }
 572
 573 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 574                        NPBool seekable, uint16 *stype )
 575 {
 576     if( NULL == instance  )
 577     {
 578         return NPERR_INVALID_INSTANCE_ERROR;
 579     }
 580
 581     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 582     if( NULL == p_plugin )
 583     {
 584         return NPERR_INVALID_INSTANCE_ERROR;
 585     }
 586
 587    /*
 588    ** Firefox/Mozilla may decide to open a stream from the URL specified
 589    ** in the SRC parameter of the EMBED tag and pass it to us
 590    **
 591    ** since VLC will open the SRC URL as well, we're not interested in
 592    ** that stream. Otherwise, we'll take it and queue it up in the playlist
 593    */
 594     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
 595     {
 596         /* TODO: use pipes !!!! */
 597         *stype = NP_ASFILEONLY;
 598         return NPERR_NO_ERROR;
 599     }
 600     return NPERR_GENERIC_ERROR;
 601 }
 602
 603 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 604 {
 605     /* TODO */
 606     return 8*1024;
 607 }
 608
 609 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
 610                  int32 len, void *buffer )
 611 {
 612     /* TODO */
 613     return len;
 614 }
 615
 616 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 617 {
 618     if( instance == NULL )
 619     {
 620         return NPERR_INVALID_INSTANCE_ERROR;
 621     }
 622     return NPERR_NO_ERROR;
 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( p_plugin->playlist_add( stream->url, NULL ) != -1 )
 639     {
 640         if( p_plugin->b_autoplay )
 641         {
 642             p_plugin->playlist_play(NULL);
 643         }
 644     }
 645 }
 646
 647 void NPP_URLNotify( NPP instance, const char* url,
 648                     NPReason reason, void* notifyData )
 649 {
 650     /***** Insert NPP_URLNotify code here *****\
 651     PluginInstance* p_plugin;
 652     if (instance != NULL)
 653         p_plugin = (PluginInstance*) instance->pdata;
 654     \*********************************************/
 655 }
 656
 657 void NPP_Print( NPP instance, NPPrint* printInfo )
 658 {
 659     if( printInfo == NULL )
 660     {
 661         return;
 662     }
 663
 664     if( instance != NULL )
 665     {
 666         /***** Insert NPP_Print code here *****\
 667         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 668         \**************************************/
 669
 670         if( printInfo->mode == NP_FULL )
 671         {
 672             /*
 673              * PLUGIN DEVELOPERS:
 674              *  If your plugin would like to take over
 675              *  printing completely when it is in full-screen mode,
 676              *  set printInfo->pluginPrinted to TRUE and print your
 677              *  plugin as you see fit.  If your plugin wants Netscape
 678              *  to handle printing in this case, set
 679              *  printInfo->pluginPrinted to FALSE (the default) and
 680              *  do nothing.  If you do want to handle printing
 681              *  yourself, printOne is true if the print button
 682              *  (as opposed to the print menu) was clicked.
 683              *  On the Macintosh, platformPrint is a THPrint; on
 684              *  Windows, platformPrint is a structure
 685              *  (defined in npapi.h) containing the printer name, port,
 686              *  etc.
 687              */
 688
 689             /***** Insert NPP_Print code here *****\
 690             void* platformPrint =
 691                 printInfo->print.fullPrint.platformPrint;
 692             NPBool printOne =
 693                 printInfo->print.fullPrint.printOne;
 694             \**************************************/
 695
 696             /* Do the default*/
 697             printInfo->print.fullPrint.pluginPrinted = FALSE;
 698         }
 699         else
 700         {
 701             /* If not fullscreen, we must be embedded */
 702             /*
 703              * PLUGIN DEVELOPERS:
 704              *  If your plugin is embedded, or is full-screen
 705              *  but you returned false in pluginPrinted above, NPP_Print
 706              *  will be called with mode == NP_EMBED.  The NPWindow
 707              *  in the printInfo gives the location and dimensions of
 708              *  the embedded plugin on the printed page.  On the
 709              *  Macintosh, platformPrint is the printer port; on
 710              *  Windows, platformPrint is the handle to the printing
 711              *  device context.
 712              */
 713
 714             /***** Insert NPP_Print code here *****\
 715             NPWindow* printWindow =
 716                 &(printInfo->print.embedPrint.window);
 717             void* platformPrint =
 718                 printInfo->print.embedPrint.platformPrint;
 719             \**************************************/
 720         }
 721     }
 722 }
 723
 724 /******************************************************************************
 725  * Windows-only methods
 726  *****************************************************************************/
 727 #if XP_WIN
 728 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 729 {
 730     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
 731
 732     switch( i_msg )
 733     {
 734         case WM_ERASEBKGND:
 735             return 1L;
 736
 737         case WM_PAINT:
 738         {
 739             PAINTSTRUCT paintstruct;
 740             HDC hdc;
 741             RECT rect;
 742
 743             hdc = BeginPaint( p_hwnd, &paintstruct );
 744
 745             GetClientRect( p_hwnd, &rect );
 746
 747             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
 748             SetTextColor(hdc, RGB(255, 255, 255));
 749             SetBkColor(hdc, RGB(0, 0, 0));
 750             DrawText( hdc, WINDOW_TEXT, strlen(WINDOW_TEXT), &rect,
 751                       DT_CENTER|DT_VCENTER|DT_SINGLELINE);
 752
 753             EndPaint( p_hwnd, &paintstruct );
 754             return 0L;
 755         }
 756         default:
 757             /* delegate to default handler */
 758             return CallWindowProc( p_plugin->getWindowProc(), p_hwnd,
 759                                    i_msg, wpar, lpar );
 760     }
 761 }
 762 #endif /* XP_WIN */
 763
 764 /******************************************************************************
 765  * UNIX-only methods
 766  *****************************************************************************/
 767 #ifdef XP_UNIX
 768 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 769 {
 770     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 771     Window control = p_plugin->getControlWindow();
 772     const NPWindow& window = p_plugin->getWindow();
 773     GC gc;
 774     XGCValues gcv;
 775     unsigned int i_control_height, i_control_width;
 776
 777     if( p_plugin->b_toolbar )
 778         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 779     else
 780         i_control_height = i_control_width = 0;
 781
 782     Window video = p_plugin->getVideoWindow();
 783     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 784
 785     gcv.foreground = BlackPixel( p_display, 0 );
 786     gc = XCreateGC( p_display, video, GCForeground, &gcv );
 787
 788     XFillRectangle( p_display, video, gc,
 789                     0, 0, window.width, window.height - i_control_height);
 790
 791     gcv.foreground = WhitePixel( p_display, 0 );
 792     XChangeGC( p_display, gc, GCForeground, &gcv );
 793
 794     XDrawString( p_display, video, gc,
 795                  window.width / 2 - 40, (window.height - i_control_height) / 2,
 796                  WINDOW_TEXT, strlen(WINDOW_TEXT) );
 797     XFreeGC( p_display, gc );
 798
 799     p_plugin->redrawToolbar();
 800 }
 801
 802 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
 803 {
 804     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 805     const NPWindow& window = p_plugin->getWindow();
 806
 807     int i_height = window.height;
 808     int i_width = window.width;
 809     int i_xPos = event->xbutton.x;
 810     int i_yPos = event->xbutton.y;
 811
 812     if( p_plugin && p_plugin->b_toolbar )
 813     {
 814         int i_playing;
 815         libvlc_exception_t ex;
 816
 817         libvlc_exception_init( &ex );
 818         libvlc_media_player_t *p_md = p_plugin->getMD(&ex);
 819         if( libvlc_exception_raised(&ex) )
 820             fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 821         libvlc_exception_clear( &ex );
 822
 823         i_playing = p_plugin->playlist_isplaying( &ex );
 824         if( libvlc_exception_raised(&ex) )
 825             fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 826         libvlc_exception_clear( &ex );
 827
 828         vlc_toolbar_clicked_t clicked;
 829         clicked = p_plugin->getToolbarButtonClicked( i_xPos, i_yPos );
 830         switch( clicked )
 831         {
 832             case clicked_Play:
 833             case clicked_Pause:
 834             {
 835                 if( i_playing == 1 )
 836                     p_plugin->playlist_pause( &ex );
 837                 else
 838                     p_plugin->playlist_play( &ex );
 839
 840                 if( libvlc_exception_raised(&ex) )
 841                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 842                 libvlc_exception_clear( &ex );
 843             }
 844             break;
 845
 846             case clicked_Stop:
 847             {
 848                 p_plugin->playlist_stop(&ex);
 849                 if( libvlc_exception_raised(&ex) )
 850                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 851                 libvlc_exception_clear( &ex );
 852             }
 853             break;
 854
 855             case clicked_Fullscreen:
 856             {
 857                 p_plugin->set_fullscreen( 1, &ex );
 858                 if( libvlc_exception_raised(&ex) )
 859                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 860                 libvlc_exception_clear( &ex );
 861             }
 862             break;
 863
 864             case clicked_Mute:
 865             case clicked_Unmute:
 866             {
 867                 libvlc_audio_toggle_mute( p_plugin->getVLC(), &ex );
 868                 if( libvlc_exception_raised(&ex) )
 869                     fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 870                 libvlc_exception_clear( &ex );
 871             }
 872             break;
 873
 874             case clicked_timeline:
 875             {
 876                 /* if a movie is loaded */
 877                 if( p_md )
 878                 {
 879                     int64_t f_length;
 880                     f_length = libvlc_media_player_get_length( p_md, &ex ) / 100;
 881                     libvlc_exception_clear( &ex );
 882
 883                     f_length = (float)f_length *
 884                             ( ((float)i_xPos-4.0 ) / ( ((float)i_width-8.0)/100) );
 885
 886                     libvlc_media_player_set_time( p_md, f_length, &ex );
 887                     if( libvlc_exception_raised(&ex) )
 888                         fprintf( stderr, "%s\n", libvlc_exception_get_message(&ex));
 889                     libvlc_exception_clear( &ex );
 890                 }
 891             }
 892             break;
 893
 894             case clicked_Time:
 895             {
 896                 /* Not implemented yet*/
 897             }
 898             break;
 899
 900             default: /* button_Unknown */
 901             break;
 902         }
 903     }
 904     Redraw( w, closure, event );
 905 }
 906
 907 static void Resize ( Widget w, XtPointer closure, XEvent *event )
 908 {
 909     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 910     Window control = p_plugin->getControlWindow();
 911     const NPWindow& window = p_plugin->getWindow();
 912     Window  drawable   = p_plugin->getVideoWindow();
 913     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 914
 915     int i_ret;
 916     Window root_return, parent_return, * children_return;
 917     Window base_window;
 918     unsigned int i_nchildren;
 919     unsigned int i_control_height, i_control_width;
 920
 921     if( p_plugin->b_toolbar )
 922     {
 923         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 924     }
 925     else
 926     {
 927         i_control_height = i_control_width = 0;
 928     }
 929
 930 #ifdef X11_RESIZE_DEBUG
 931     XWindowAttributes attr;
 932
 933     if( event && event->type == ConfigureNotify )
 934     {
 935         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
 936                  "send_event ? %s\n", event->xconfigure.width,
 937                  event->xconfigure.height,
 938                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
 939     }
 940 #endif /* X11_RESIZE_DEBUG */
 941
 942     if( ! p_plugin->setSize(window.width, (window.height - i_control_height)) )
 943     {
 944         /* size already set */
 945         return;
 946     }
 947
 948     i_ret = XResizeWindow( p_display, drawable,
 949                            window.width, (window.height - i_control_height) );
 950
 951 #ifdef X11_RESIZE_DEBUG
 952     fprintf( stderr,
 953              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
 954
 955     XGetWindowAttributes ( p_display, drawable, &attr );
 956
 957     /* X is asynchronous, so the current size reported here is not
 958        necessarily the requested size as the Resize request may not
 959        yet have been handled by the plugin host */
 960     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
 961              attr.width, attr.height );
 962 #endif /* X11_RESIZE_DEBUG */
 963
 964     XQueryTree( p_display, drawable,
 965                 &root_return, &parent_return, &children_return,
 966                 &i_nchildren );
 967
 968     if( i_nchildren > 0 )
 969     {
 970         /* XXX: Make assumptions related to the window parenting structure in
 971            vlc/modules/video_output/x11/xcommon.c */
 972         base_window = children_return[i_nchildren - 1];
 973
 974 #ifdef X11_RESIZE_DEBUG
 975         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
 976         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
 977                  base_window );
 978 #endif /* X11_RESIZE_DEBUG */
 979
 980         i_ret = XResizeWindow( p_display, base_window,
 981                 window.width, ( window.height - i_control_height ) );
 982
 983 #ifdef X11_RESIZE_DEBUG
 984         fprintf( stderr,
 985                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
 986                  i_ret );
 987
 988         XGetWindowAttributes( p_display, base_window, &attr );
 989
 990         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
 991                  attr.width, attr.height );
 992 #endif /* X11_RESIZE_DEBUG */
 993     }
 994 }
 995
 996 #endif /* XP_UNIX */