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 /*****************************************************************************
  51  * Unix-only declarations
  52 ******************************************************************************/
  53 #if defined(XP_UNIX)
  54
  55 static void Redraw( Widget w, XtPointer closure, XEvent *event );
  56 static void ControlHandler( Widget w, XtPointer closure, XEvent *event );
  57 static void Resize( Widget w, XtPointer closure, XEvent *event );
  58
  59 #endif
  60
  61 /*****************************************************************************
  62  * MacOS-only declarations
  63 ******************************************************************************/
  64 #ifdef XP_MACOSX
  65 #endif
  66
  67 /*****************************************************************************
  68  * Windows-only declarations
  69  *****************************************************************************/
  70 #ifdef XP_WIN
  71
  72 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar );
  73
  74 #endif
  75
  76 /******************************************************************************
  77  * UNIX-only API calls
  78  *****************************************************************************/
  79 char * NPP_GetMIMEDescription( void )
  80 {
  81     static char mimetype[] = PLUGIN_MIMETYPES;
  82     return mimetype;
  83 }
  84
  85 NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
  86 {
  87     static char psz_name[] = PLUGIN_NAME;
  88     static char psz_desc[1000];
  89
  90     /* plugin class variables */
  91     switch( variable )
  92     {
  93         case NPPVpluginNameString:
  94             *((char **)value) = psz_name;
  95             return NPERR_NO_ERROR;
  96
  97         case NPPVpluginDescriptionString:
  98             snprintf( psz_desc, sizeof(psz_desc), PLUGIN_DESCRIPTION,
  99                       libvlc_get_version() );
 100             *((char **)value) = psz_desc;
 101             return NPERR_NO_ERROR;
 102
 103         default:
 104             /* move on to instance variables ... */
 105             ;
 106     }
 107
 108     if( instance == NULL )
 109     {
 110         return NPERR_INVALID_INSTANCE_ERROR;
 111     }
 112
 113     /* plugin instance variables */
 114
 115     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 116     if( NULL == p_plugin )
 117     {
 118         // plugin has not been initialized yet !
 119         return NPERR_INVALID_INSTANCE_ERROR;
 120     }
 121
 122     switch( variable )
 123     {
 124         case NPPVpluginScriptableNPObject:
 125         {
 126             /* retrieve plugin root class */
 127             NPClass *scriptClass = p_plugin->getScriptClass();
 128             if( scriptClass )
 129             {
 130                 /* create an instance and return it */
 131                 *(NPObject**)value = NPN_CreateObject(instance, scriptClass);
 132                 return NPERR_NO_ERROR;
 133             }
 134             break;
 135         }
 136
 137         default:
 138             ;
 139     }
 140     return NPERR_GENERIC_ERROR;
 141 }
 142
 143 /*
 144  * there is some confusion in gecko headers regarding definition of this API
 145  * NPPVariable is wrongly defined as NPNVariable, which sounds incorrect.
 146  */
 147
 148 NPError NPP_SetValue( NPP instance, NPNVariable variable, void *value )
 149 {
 150     return NPERR_GENERIC_ERROR;
 151 }
 152
 153 /******************************************************************************
 154  * Mac-only API calls
 155  *****************************************************************************/
 156 #ifdef XP_MACOSX
 157 int16 NPP_HandleEvent( NPP instance, void * event )
 158 {
 159     static UInt32 lastMouseUp = 0;
 160     libvlc_exception_t ex;
 161     libvlc_exception_init(&ex);
 162
 163     if( instance == NULL )
 164     {
 165         return false;
 166     }
 167
 168     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 169     if( p_plugin == NULL )
 170     {
 171         return false;
 172     }
 173
 174     EventRecord *myEvent = (EventRecord*)event;
 175
 176     switch( myEvent->what )
 177     {
 178         case nullEvent:
 179             return true;
 180         case mouseDown:
 181         {
 182             if( (myEvent->when - lastMouseUp) < GetDblTime() )
 183             {
 184                 /* double click */
 185                 p_plugin->toggle_fullscreen(&ex);
 186                 libvlc_exception_clear(&ex);
 187             }
 188             return true;
 189         }
 190         case mouseUp:
 191             lastMouseUp = myEvent->when;
 192             return true;
 193         case keyUp:
 194         case keyDown:
 195         case autoKey:
 196             return true;
 197         case updateEvt:
 198         {
 199             const NPWindow& npwindow = p_plugin->getWindow();
 200             if( npwindow.window )
 201             {
 202                 bool hasVout = false;
 203
 204                 if( p_plugin->playlist_isplaying() )
 205                 {
 206                     hasVout = p_plugin->player_has_vout(NULL);
 207                     if( hasVout )
 208                     {
 209 #ifdef NOT_WORKING
 210                         libvlc_rectangle_t area;
 211                         area.left = 0;
 212                         area.top = 0;
 213                         area.right = npwindow.width;
 214                         area.bottom = npwindow.height;
 215                         libvlc_video_redraw_rectangle(p_plugin->getMD(&ex), &area, NULL);
 216 #else
 217 #warning disabled code
 218 #endif
 219                     }
 220                 }
 221                 libvlc_exception_clear(&ex);
 222
 223                 if( ! hasVout )
 224                 {
 225                     /* draw the beautiful "No Picture" */
 226
 227                     ForeColor(blackColor);
 228                     PenMode( patCopy );
 229
 230                     /* seems that firefox forgets to set the following
 231                      * on occasion (reload) */
 232                     SetOrigin(((NP_Port *)npwindow.window)->portx,
 233                               ((NP_Port *)npwindow.window)->porty);
 234
 235                     Rect rect;
 236                     rect.left = 0;
 237                     rect.top = 0;
 238                     rect.right = npwindow.width;
 239                     rect.bottom = npwindow.height;
 240                     PaintRect( &rect );
 241
 242                     ForeColor(whiteColor);
 243                     MoveTo( (npwindow.width-80)/ 2  , npwindow.height / 2 );
 244                     if( p_plugin->psz_text )
 245                         DrawText( p_plugin->psz_text, 0, strlen(p_plugin->psz_text) );
 246                 }
 247             }
 248             return true;
 249         }
 250         case activateEvt:
 251             return false;
 252         case NPEventType_GetFocusEvent:
 253         case NPEventType_LoseFocusEvent:
 254             return true;
 255         case NPEventType_AdjustCursorEvent:
 256             return false;
 257         case NPEventType_MenuCommandEvent:
 258             return false;
 259         case NPEventType_ClippingChangedEvent:
 260             return false;
 261         case NPEventType_ScrollingBeginsEvent:
 262             return true;
 263         case NPEventType_ScrollingEndsEvent:
 264             return true;
 265         default:
 266             ;
 267     }
 268     return false;
 269 }
 270 #endif /* XP_MACOSX */
 271
 272 /******************************************************************************
 273  * General Plug-in Calls
 274  *****************************************************************************/
 275 NPError NPP_Initialize( void )
 276 {
 277     return NPERR_NO_ERROR;
 278 }
 279
 280 jref NPP_GetJavaClass( void )
 281 {
 282     return NULL;
 283 }
 284
 285 void NPP_Shutdown( void )
 286 {
 287     ;
 288 }
 289
 290 NPError NPP_New( NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
 291                  char* argn[], char* argv[], NPSavedData* saved )
 292 {
 293     NPError status;
 294
 295     if( instance == NULL )
 296     {
 297         return NPERR_INVALID_INSTANCE_ERROR;
 298     }
 299
 300     VlcPlugin * p_plugin = new VlcPlugin( instance, mode );
 301     if( NULL == p_plugin )
 302     {
 303         return NPERR_OUT_OF_MEMORY_ERROR;
 304     }
 305
 306     status = p_plugin->init(argc, argn, argv);
 307     if( NPERR_NO_ERROR == status )
 308     {
 309         instance->pdata = reinterpret_cast<void*>(p_plugin);
 310 #if 0
 311         NPN_SetValue(instance, NPPVpluginWindowBool, (void *)false);
 312         NPN_SetValue(instance, NPPVpluginTransparentBool, (void *)false);
 313 #endif
 314     }
 315     else
 316     {
 317         delete p_plugin;
 318     }
 319     return status;
 320 }
 321
 322 NPError NPP_Destroy( NPP instance, NPSavedData** save )
 323 {
 324     if( NULL == instance )
 325         return NPERR_INVALID_INSTANCE_ERROR;
 326
 327     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 328     if( NULL == p_plugin )
 329         return NPERR_NO_ERROR;
 330
 331     instance->pdata = NULL;
 332
 333 #if defined(XP_WIN)
 334     HWND win = (HWND)p_plugin->getWindow().window;
 335     WNDPROC winproc = p_plugin->getWindowProc();
 336     if( winproc )
 337     {
 338         /* reset WNDPROC */
 339         SetWindowLong( win, GWL_WNDPROC, (LONG)winproc );
 340     }
 341 #endif
 342
 343     if( p_plugin->playlist_isplaying() )
 344         p_plugin->playlist_stop();
 345
 346     delete p_plugin;
 347
 348     return NPERR_NO_ERROR;
 349 }
 350
 351 NPError NPP_SetWindow( NPP instance, NPWindow* window )
 352 {
 353 #if defined(XP_UNIX)
 354     Window control;
 355     unsigned int i_control_height = 0, i_control_width = 0;
 356 #endif
 357
 358     if( ! instance )
 359     {
 360         return NPERR_INVALID_INSTANCE_ERROR;
 361     }
 362
 363     /* NPP_SetWindow may be called before NPP_New (Opera) */
 364     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(instance->pdata);
 365     if( NULL == p_plugin )
 366     {
 367         /* we should probably show a splash screen here */
 368         return NPERR_NO_ERROR;
 369     }
 370
 371 #if defined(XP_UNIX)
 372     control = p_plugin->getControlWindow();
 373 #endif
 374
 375     libvlc_exception_t ex;
 376     libvlc_exception_init(&ex);
 377
 378     libvlc_instance_t *p_vlc = p_plugin->getVLC();
 379
 380     /*
 381      * PLUGIN DEVELOPERS:
 382      *  Before setting window to point to the
 383      *  new window, you may wish to compare the new window
 384      *  info to the previous window (if any) to note window
 385      *  size changes, etc.
 386      */
 387
 388     /* retrieve current window */
 389     NPWindow& curwin = p_plugin->getWindow();
 390
 391 #ifdef XP_MACOSX
 392     if( window && window->window )
 393     {
 394         /* check if plugin has a new parent window */
 395         CGrafPtr drawable = (((NP_Port*) (window->window))->port);
 396
 397         /* as MacOS X video output is windowless, set viewport */
 398         libvlc_rectangle_t view, clip;
 399
 400         /*
 401         ** browser sets port origin to top-left location of plugin
 402         ** relative to GrafPort window origin is set relative to document,
 403         ** which of little use for drawing
 404         */
 405         view.top     = ((NP_Port*) (window->window))->porty;
 406         view.left    = ((NP_Port*) (window->window))->portx;
 407         view.bottom  = window->height+view.top;
 408         view.right   = window->width+view.left;
 409
 410         /* clipRect coordinates are also relative to GrafPort */
 411         clip.top     = window->clipRect.top;
 412         clip.left    = window->clipRect.left;
 413         clip.bottom  = window->clipRect.bottom;
 414         clip.right   = window->clipRect.right;
 415 #ifdef NOT_WORKING
 416         libvlc_video_set_viewport(p_vlc, p_plugin->getMD(&ex), &view, &clip, &ex);
 417         libvlc_exception_clear(&ex);
 418 #else
 419 #warning disabled code
 420 #endif
 421         /* remember new window */
 422         p_plugin->setWindow(*window);
 423     }
 424     else if( curwin.window )
 425     {
 426         /* change/set parent */
 427         curwin.window = NULL;
 428     }
 429 #endif /* XP_MACOSX */
 430
 431 #ifdef XP_WIN
 432     if( window && window->window )
 433     {
 434         /* check if plugin has a new parent window */
 435         HWND drawable = (HWND) (window->window);
 436         if( !curwin.window || drawable != curwin.window )
 437         {
 438             /* reset previous window settings */
 439             HWND oldwin = (HWND)p_plugin->getWindow().window;
 440             WNDPROC oldproc = p_plugin->getWindowProc();
 441             if( oldproc )
 442             {
 443                 /* reset WNDPROC */
 444                 SetWindowLong( oldwin, GWL_WNDPROC, (LONG)oldproc );
 445             }
 446             /* attach our plugin object */
 447             SetWindowLongPtr((HWND)drawable, GWLP_USERDATA,
 448                              reinterpret_cast<LONG_PTR>(p_plugin));
 449
 450             /* install our WNDPROC */
 451             p_plugin->setWindowProc( (WNDPROC)SetWindowLong( drawable,
 452                                              GWL_WNDPROC, (LONG)Manage ) );
 453
 454             /* change window style to our liking */
 455             LONG style = GetWindowLong((HWND)drawable, GWL_STYLE);
 456             style |= WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
 457             SetWindowLong((HWND)drawable, GWL_STYLE, style);
 458
 459             /* remember new window */
 460             p_plugin->setWindow(*window);
 461
 462             /* Redraw window */
 463             InvalidateRect( (HWND)drawable, NULL, TRUE );
 464             UpdateWindow( (HWND)drawable );
 465         }
 466     }
 467     else if( curwin.window )
 468     {
 469         /* reset WNDPROC */
 470         HWND oldwin = (HWND)curwin.window;
 471         SetWindowLong( oldwin, GWL_WNDPROC, (LONG)(p_plugin->getWindowProc()) );
 472         p_plugin->setWindowProc(NULL);
 473
 474         curwin.window = NULL;
 475     }
 476 #endif /* XP_WIN */
 477
 478 #if defined(XP_UNIX)
 479     /* default to hidden toolbar, shown at the end of this method if asked *
 480      * developers note : getToolbarSize need to wait the end of this method
 481      */
 482     i_control_height = 0;
 483     i_control_width = window->width;
 484
 485     if( window && window->window )
 486     {
 487         Window  parent  = (Window) window->window;
 488         if( !curwin.window || (parent != (Window)curwin.window) )
 489         {
 490             Display *p_display = ( (NPSetWindowCallbackStruct *)
 491                                    window->ws_info )->display;
 492
 493             XResizeWindow( p_display, parent, window->width, window->height );
 494
 495             int i_blackColor = BlackPixel(p_display, DefaultScreen(p_display));
 496
 497             /* create windows */
 498             Window video = XCreateSimpleWindow( p_display, parent, 0, 0,
 499                            window->width, window->height - i_control_height,
 500                            0, i_blackColor, i_blackColor );
 501             Window controls = (Window) NULL;
 502             controls = XCreateSimpleWindow( p_display, parent,
 503                             0, window->height - i_control_height-1,
 504                             window->width, i_control_height-1,
 505                             0, i_blackColor, i_blackColor );
 506
 507             XMapWindow( p_display, parent );
 508             XMapWindow( p_display, video );
 509             if( controls ) { XMapWindow( p_display, controls ); }
 510
 511             XFlush(p_display);
 512
 513             /* bind events */
 514             Widget w = XtWindowToWidget( p_display, parent );
 515
 516             XtAddEventHandler( w, ExposureMask, FALSE,
 517                                (XtEventHandler)Redraw, p_plugin );
 518             XtAddEventHandler( w, StructureNotifyMask, FALSE,
 519                                (XtEventHandler)Resize, p_plugin );
 520             XtAddEventHandler( w, ButtonReleaseMask, FALSE,
 521                                (XtEventHandler)ControlHandler, p_plugin );
 522
 523             /* remember window */
 524             p_plugin->setWindow( *window );
 525             p_plugin->setVideoWindow( video );
 526
 527             if( controls )
 528             {
 529                 p_plugin->setControlWindow( controls );
 530             }
 531
 532             Redraw( w, (XtPointer)p_plugin, NULL );
 533
 534             /* now display toolbar if asked through parameters */
 535             if( p_plugin->b_toolbar )
 536             {
 537                 p_plugin->showToolbar();
 538             }
 539         }
 540     }
 541     else if( curwin.window )
 542     {
 543         curwin.window = NULL;
 544     }
 545 #endif /* XP_UNIX */
 546
 547     if( !p_plugin->b_stream )
 548     {
 549         if( p_plugin->psz_target )
 550         {
 551             if( p_plugin->playlist_add( p_plugin->psz_target, NULL ) != -1 )
 552             {
 553                 if( p_plugin->b_autoplay )
 554                 {
 555                     p_plugin->playlist_play(&ex);
 556                     libvlc_exception_clear(&ex);
 557                 }
 558             }
 559             p_plugin->b_stream = true;
 560         }
 561     }
 562     return NPERR_NO_ERROR;
 563 }
 564
 565 NPError NPP_NewStream( NPP instance, NPMIMEType type, NPStream *stream,
 566                        NPBool seekable, uint16 *stype )
 567 {
 568     if( NULL == instance  )
 569     {
 570         return NPERR_INVALID_INSTANCE_ERROR;
 571     }
 572
 573     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 574     if( NULL == p_plugin )
 575     {
 576         return NPERR_INVALID_INSTANCE_ERROR;
 577     }
 578
 579    /*
 580    ** Firefox/Mozilla may decide to open a stream from the URL specified
 581    ** in the SRC parameter of the EMBED tag and pass it to us
 582    **
 583    ** since VLC will open the SRC URL as well, we're not interested in
 584    ** that stream. Otherwise, we'll take it and queue it up in the playlist
 585    */
 586     if( !p_plugin->psz_target || strcmp(stream->url, p_plugin->psz_target) )
 587     {
 588         /* TODO: use pipes !!!! */
 589         *stype = NP_ASFILEONLY;
 590         return NPERR_NO_ERROR;
 591     }
 592     return NPERR_GENERIC_ERROR;
 593 }
 594
 595 int32 NPP_WriteReady( NPP instance, NPStream *stream )
 596 {
 597     /* TODO */
 598     return 8*1024;
 599 }
 600
 601 int32 NPP_Write( NPP instance, NPStream *stream, int32 offset,
 602                  int32 len, void *buffer )
 603 {
 604     /* TODO */
 605     return len;
 606 }
 607
 608 NPError NPP_DestroyStream( NPP instance, NPStream *stream, NPError reason )
 609 {
 610     if( instance == NULL )
 611     {
 612         return NPERR_INVALID_INSTANCE_ERROR;
 613     }
 614     return NPERR_NO_ERROR;
 615 }
 616
 617 void NPP_StreamAsFile( NPP instance, NPStream *stream, const char* fname )
 618 {
 619     if( instance == NULL )
 620     {
 621         return;
 622     }
 623
 624     VlcPlugin *p_plugin = reinterpret_cast<VlcPlugin *>(instance->pdata);
 625     if( NULL == p_plugin )
 626     {
 627         return;
 628     }
 629
 630     if( p_plugin->playlist_add( stream->url, NULL ) != -1 )
 631     {
 632         if( p_plugin->b_autoplay )
 633         {
 634             p_plugin->playlist_play(NULL);
 635         }
 636     }
 637 }
 638
 639 void NPP_URLNotify( NPP instance, const char* url,
 640                     NPReason reason, void* notifyData )
 641 {
 642     /***** Insert NPP_URLNotify code here *****\
 643     PluginInstance* p_plugin;
 644     if (instance != NULL)
 645         p_plugin = (PluginInstance*) instance->pdata;
 646     \*********************************************/
 647 }
 648
 649 void NPP_Print( NPP instance, NPPrint* printInfo )
 650 {
 651     if( printInfo == NULL )
 652     {
 653         return;
 654     }
 655
 656     if( instance != NULL )
 657     {
 658         /***** Insert NPP_Print code here *****\
 659         PluginInstance* p_plugin = (PluginInstance*) instance->pdata;
 660         \**************************************/
 661
 662         if( printInfo->mode == NP_FULL )
 663         {
 664             /*
 665              * PLUGIN DEVELOPERS:
 666              *  If your plugin would like to take over
 667              *  printing completely when it is in full-screen mode,
 668              *  set printInfo->pluginPrinted to TRUE and print your
 669              *  plugin as you see fit.  If your plugin wants Netscape
 670              *  to handle printing in this case, set
 671              *  printInfo->pluginPrinted to FALSE (the default) and
 672              *  do nothing.  If you do want to handle printing
 673              *  yourself, printOne is true if the print button
 674              *  (as opposed to the print menu) was clicked.
 675              *  On the Macintosh, platformPrint is a THPrint; on
 676              *  Windows, platformPrint is a structure
 677              *  (defined in npapi.h) containing the printer name, port,
 678              *  etc.
 679              */
 680
 681             /***** Insert NPP_Print code here *****\
 682             void* platformPrint =
 683                 printInfo->print.fullPrint.platformPrint;
 684             NPBool printOne =
 685                 printInfo->print.fullPrint.printOne;
 686             \**************************************/
 687
 688             /* Do the default*/
 689             printInfo->print.fullPrint.pluginPrinted = FALSE;
 690         }
 691         else
 692         {
 693             /* If not fullscreen, we must be embedded */
 694             /*
 695              * PLUGIN DEVELOPERS:
 696              *  If your plugin is embedded, or is full-screen
 697              *  but you returned false in pluginPrinted above, NPP_Print
 698              *  will be called with mode == NP_EMBED.  The NPWindow
 699              *  in the printInfo gives the location and dimensions of
 700              *  the embedded plugin on the printed page.  On the
 701              *  Macintosh, platformPrint is the printer port; on
 702              *  Windows, platformPrint is the handle to the printing
 703              *  device context.
 704              */
 705
 706             /***** Insert NPP_Print code here *****\
 707             NPWindow* printWindow =
 708                 &(printInfo->print.embedPrint.window);
 709             void* platformPrint =
 710                 printInfo->print.embedPrint.platformPrint;
 711             \**************************************/
 712         }
 713     }
 714 }
 715
 716 /******************************************************************************
 717  * Windows-only methods
 718  *****************************************************************************/
 719 #if defined(XP_WIN)
 720 static LRESULT CALLBACK Manage( HWND p_hwnd, UINT i_msg, WPARAM wpar, LPARAM lpar )
 721 {
 722     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(GetWindowLongPtr(p_hwnd, GWLP_USERDATA));
 723
 724     switch( i_msg )
 725     {
 726         case WM_ERASEBKGND:
 727             return 1L;
 728
 729         case WM_PAINT:
 730         {
 731             PAINTSTRUCT paintstruct;
 732             HDC hdc;
 733             RECT rect;
 734
 735             hdc = BeginPaint( p_hwnd, &paintstruct );
 736
 737             GetClientRect( p_hwnd, &rect );
 738
 739             FillRect( hdc, &rect, (HBRUSH)GetStockObject(BLACK_BRUSH) );
 740             SetTextColor(hdc, RGB(255, 255, 255));
 741             SetBkColor(hdc, RGB(0, 0, 0));
 742             if( p_plugin->psz_text )
 743                 DrawText( hdc, p_plugin->psz_text, strlen(p_plugin->psz_text), &rect,
 744                           DT_CENTER|DT_VCENTER|DT_SINGLELINE);
 745
 746             EndPaint( p_hwnd, &paintstruct );
 747             return 0L;
 748         }
 749         default:
 750             /* delegate to default handler */
 751             return CallWindowProc( p_plugin->getWindowProc(), p_hwnd,
 752                                    i_msg, wpar, lpar );
 753     }
 754 }
 755 #endif /* XP_WIN */
 756
 757 /******************************************************************************
 758  * UNIX-only methods
 759  *****************************************************************************/
 760 #if defined(XP_UNIX)
 761 static void Redraw( Widget w, XtPointer closure, XEvent *event )
 762 {
 763     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 764     Window control = p_plugin->getControlWindow();
 765     const NPWindow& window = p_plugin->getWindow();
 766     GC gc;
 767     XGCValues gcv;
 768     unsigned int i_control_height, i_control_width;
 769
 770     if( p_plugin->b_toolbar )
 771         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 772     else
 773         i_control_height = i_control_width = 0;
 774
 775     Window video = p_plugin->getVideoWindow();
 776     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 777
 778     gcv.foreground = BlackPixel( p_display, 0 );
 779     gc = XCreateGC( p_display, video, GCForeground, &gcv );
 780
 781     XFillRectangle( p_display, video, gc,
 782                     0, 0, window.width, window.height - i_control_height);
 783
 784     gcv.foreground = WhitePixel( p_display, 0 );
 785     XChangeGC( p_display, gc, GCForeground, &gcv );
 786
 787     if( p_plugin->psz_text )
 788         XDrawString( p_display, video, gc,
 789                      window.width / 2 - 40, (window.height - i_control_height) / 2,
 790                      p_plugin->psz_text, strlen(p_plugin->psz_text) );
 791     XFreeGC( p_display, gc );
 792
 793     p_plugin->redrawToolbar();
 794 }
 795
 796 static void ControlHandler( Widget w, XtPointer closure, XEvent *event )
 797 {
 798     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 799     const NPWindow& window = p_plugin->getWindow();
 800
 801     int i_height = window.height;
 802     int i_width = window.width;
 803     int i_xPos = event->xbutton.x;
 804     int i_yPos = event->xbutton.y;
 805
 806     if( p_plugin && p_plugin->b_toolbar )
 807     {
 808         int i_playing;
 809         libvlc_exception_t ex;
 810
 811         libvlc_exception_init( &ex );
 812         libvlc_media_player_t *p_md = p_plugin->getMD(&ex);
 813         libvlc_exception_clear( &ex );
 814
 815         i_playing = p_plugin->playlist_isplaying();
 816
 817         vlc_toolbar_clicked_t clicked;
 818         clicked = p_plugin->getToolbarButtonClicked( i_xPos, i_yPos );
 819         switch( clicked )
 820         {
 821             case clicked_Play:
 822             case clicked_Pause:
 823             {
 824                 if( i_playing == 1 )
 825                     p_plugin->playlist_pause( &ex );
 826                 else
 827                     p_plugin->playlist_play( &ex );
 828
 829                 libvlc_exception_clear( &ex );
 830             }
 831             break;
 832
 833             case clicked_Stop:
 834             {
 835                 p_plugin->playlist_stop();
 836             }
 837             break;
 838
 839             case clicked_Fullscreen:
 840             {
 841                 p_plugin->set_fullscreen( 1, &ex );
 842                 libvlc_exception_clear( &ex );
 843             }
 844             break;
 845
 846             case clicked_Mute:
 847             case clicked_Unmute:
 848             {
 849                 libvlc_audio_toggle_mute( p_plugin->getVLC() );
 850             }
 851             break;
 852
 853             case clicked_timeline:
 854             {
 855                 /* if a movie is loaded */
 856                 if( p_md )
 857                 {
 858                     int64_t f_length;
 859                     f_length = libvlc_media_player_get_length( p_md, &ex ) / 100;
 860                     libvlc_exception_clear( &ex );
 861
 862                     f_length = (float)f_length *
 863                             ( ((float)i_xPos-4.0 ) / ( ((float)i_width-8.0)/100) );
 864
 865                     libvlc_media_player_set_time( p_md, f_length, &ex );
 866                     libvlc_exception_clear( &ex );
 867                 }
 868             }
 869             break;
 870
 871             case clicked_Time:
 872             {
 873                 /* Not implemented yet*/
 874             }
 875             break;
 876
 877             default: /* button_Unknown */
 878             break;
 879         }
 880     }
 881     Redraw( w, closure, event );
 882 }
 883
 884 static void Resize ( Widget w, XtPointer closure, XEvent *event )
 885 {
 886     VlcPlugin* p_plugin = reinterpret_cast<VlcPlugin*>(closure);
 887     Window control = p_plugin->getControlWindow();
 888     const NPWindow& window = p_plugin->getWindow();
 889     Window  drawable   = p_plugin->getVideoWindow();
 890     Display *p_display = ((NPSetWindowCallbackStruct *)window.ws_info)->display;
 891
 892     int i_ret;
 893     Window root_return, parent_return, * children_return;
 894     Window base_window;
 895     unsigned int i_nchildren;
 896     unsigned int i_control_height, i_control_width;
 897
 898     if( p_plugin->b_toolbar )
 899     {
 900         p_plugin->getToolbarSize( &i_control_width, &i_control_height );
 901     }
 902     else
 903     {
 904         i_control_height = i_control_width = 0;
 905     }
 906
 907 #ifdef X11_RESIZE_DEBUG
 908     XWindowAttributes attr;
 909
 910     if( event && event->type == ConfigureNotify )
 911     {
 912         fprintf( stderr, "vlcshell::Resize() ConfigureNotify %d x %d, "
 913                  "send_event ? %s\n", event->xconfigure.width,
 914                  event->xconfigure.height,
 915                  event->xconfigure.send_event ? "TRUE" : "FALSE" );
 916     }
 917 #endif /* X11_RESIZE_DEBUG */
 918
 919     if( ! p_plugin->setSize(window.width, (window.height - i_control_height)) )
 920     {
 921         /* size already set */
 922         return;
 923     }
 924
 925     i_ret = XResizeWindow( p_display, drawable,
 926                            window.width, (window.height - i_control_height) );
 927
 928 #ifdef X11_RESIZE_DEBUG
 929     fprintf( stderr,
 930              "vlcshell::Resize() XResizeWindow(owner) returned %d\n", i_ret );
 931
 932     XGetWindowAttributes ( p_display, drawable, &attr );
 933
 934     /* X is asynchronous, so the current size reported here is not
 935        necessarily the requested size as the Resize request may not
 936        yet have been handled by the plugin host */
 937     fprintf( stderr, "vlcshell::Resize() current (owner) size %d x %d\n",
 938              attr.width, attr.height );
 939 #endif /* X11_RESIZE_DEBUG */
 940
 941     XQueryTree( p_display, drawable,
 942                 &root_return, &parent_return, &children_return,
 943                 &i_nchildren );
 944
 945     if( i_nchildren > 0 )
 946     {
 947         /* XXX: Make assumptions related to the window parenting structure in
 948            vlc/modules/video_output/x11/xcommon.c */
 949         base_window = children_return[i_nchildren - 1];
 950
 951 #ifdef X11_RESIZE_DEBUG
 952         fprintf( stderr, "vlcshell::Resize() got %d children\n", i_nchildren );
 953         fprintf( stderr, "vlcshell::Resize() got base_window %p\n",
 954                  base_window );
 955 #endif /* X11_RESIZE_DEBUG */
 956
 957         i_ret = XResizeWindow( p_display, base_window,
 958                 window.width, ( window.height - i_control_height ) );
 959
 960 #ifdef X11_RESIZE_DEBUG
 961         fprintf( stderr,
 962                  "vlcshell::Resize() XResizeWindow(base) returned %d\n",
 963                  i_ret );
 964
 965         XGetWindowAttributes( p_display, base_window, &attr );
 966
 967         fprintf( stderr, "vlcshell::Resize() new size %d x %d\n",
 968                  attr.width, attr.height );
 969 #endif /* X11_RESIZE_DEBUG */
 970     }
 971 }
 972
 973 #endif /* XP_UNIX */