git.sesse.net Git - vlc/blob - modules/gui/skins2/src/skin_main.cpp

   1 /*****************************************************************************
   2  * skin_main.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   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 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc_input.h>
  31 #include <vlc_demux.h>
  32 #include <vlc_playlist.h>
  33
  34 #include "dialogs.hpp"
  35 #include "os_factory.hpp"
  36 #include "os_loop.hpp"
  37 #include "var_manager.hpp"
  38 #include "vlcproc.hpp"
  39 #include "theme_loader.hpp"
  40 #include "theme.hpp"
  41 #include "theme_repository.hpp"
  42 #include "../parser/interpreter.hpp"
  43 #include "../commands/async_queue.hpp"
  44 #include "../commands/cmd_quit.hpp"
  45 #include "../commands/cmd_dialogs.hpp"
  46 #include "../commands/cmd_minimize.hpp"
  47
  48 //---------------------------------------------------------------------------
  49 // Exported interface functions.
  50 //---------------------------------------------------------------------------
  51 #ifdef WIN32_SKINS
  52 extern "C" __declspec( dllexport )
  53     int __VLC_SYMBOL( vlc_entry ) ( module_t *p_module );
  54 #endif
  55
  56
  57 //---------------------------------------------------------------------------
  58 // Local prototypes
  59 //---------------------------------------------------------------------------
  60 static int  Open  ( vlc_object_t * );
  61 static void Close ( vlc_object_t * );
  62 static void Run   ( intf_thread_t * );
  63
  64 static int DemuxOpen( vlc_object_t * );
  65 static int Demux( demux_t * );
  66 static int DemuxControl( demux_t *, int, va_list );
  67
  68 //---------------------------------------------------------------------------
  69 // Prototypes for configuration callbacks
  70 //---------------------------------------------------------------------------
  71 static int onSystrayChange( vlc_object_t *pObj, const char *pVariable,
  72                             vlc_value_t oldVal, vlc_value_t newVal,
  73                             void *pParam );
  74 static int onTaskBarChange( vlc_object_t *pObj, const char *pVariable,
  75                             vlc_value_t oldVal, vlc_value_t newVal,
  76                             void *pParam );
  77
  78
  79 //---------------------------------------------------------------------------
  80 // Open: initialize interface
  81 //---------------------------------------------------------------------------
  82 static int Open( vlc_object_t *p_this )
  83 {
  84     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  85
  86     // Allocate instance and initialize some members
  87     p_intf->p_sys = (intf_sys_t *) malloc( sizeof( intf_sys_t ) );
  88     if( p_intf->p_sys == NULL )
  89     {
  90         msg_Err( p_intf, "out of memory" );
  91         return( VLC_ENOMEM );
  92     };
  93
  94     p_intf->pf_run = Run;
  95
  96     // Suscribe to messages bank
  97     p_intf->p_sys->p_sub = msg_Subscribe( p_intf, MSG_QUEUE_NORMAL );
  98
  99     p_intf->p_sys->p_input = NULL;
 100     p_intf->p_sys->p_playlist = (playlist_t *)vlc_object_find( p_intf,
 101         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 102     if( p_intf->p_sys->p_playlist == NULL )
 103     {
 104         msg_Err( p_intf, "No playlist object found" );
 105         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 106         return VLC_EGENERIC;
 107     }
 108
 109     // Initialize "singleton" objects
 110     p_intf->p_sys->p_logger = NULL;
 111     p_intf->p_sys->p_queue = NULL;
 112     p_intf->p_sys->p_dialogs = NULL;
 113     p_intf->p_sys->p_interpreter = NULL;
 114     p_intf->p_sys->p_osFactory = NULL;
 115     p_intf->p_sys->p_osLoop = NULL;
 116     p_intf->p_sys->p_varManager = NULL;
 117     p_intf->p_sys->p_vlcProc = NULL;
 118     p_intf->p_sys->p_repository = NULL;
 119
 120     // No theme yet
 121     p_intf->p_sys->p_theme = NULL;
 122
 123     // Create a variable to be notified of skins to be loaded
 124     var_Create( p_intf, "skin-to-load", VLC_VAR_STRING );
 125
 126     // Initialize singletons
 127     if( OSFactory::instance( p_intf ) == NULL )
 128     {
 129         msg_Err( p_intf, "cannot initialize OSFactory" );
 130         vlc_object_release( p_intf->p_sys->p_playlist );
 131         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 132         return VLC_EGENERIC;
 133     }
 134     if( AsyncQueue::instance( p_intf ) == NULL )
 135     {
 136         msg_Err( p_intf, "cannot initialize AsyncQueue" );
 137         vlc_object_release( p_intf->p_sys->p_playlist );
 138         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 139         return VLC_EGENERIC;
 140     }
 141     if( Interpreter::instance( p_intf ) == NULL )
 142     {
 143         msg_Err( p_intf, "cannot instanciate Interpreter" );
 144         vlc_object_release( p_intf->p_sys->p_playlist );
 145         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 146         return VLC_EGENERIC;
 147     }
 148     if( VarManager::instance( p_intf ) == NULL )
 149     {
 150         msg_Err( p_intf, "cannot instanciate VarManager" );
 151         vlc_object_release( p_intf->p_sys->p_playlist );
 152         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 153         return VLC_EGENERIC;
 154     }
 155     if( VlcProc::instance( p_intf ) == NULL )
 156     {
 157         msg_Err( p_intf, "cannot initialize VLCProc" );
 158         vlc_object_release( p_intf->p_sys->p_playlist );
 159         msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 160         return VLC_EGENERIC;
 161     }
 162     Dialogs::instance( p_intf );
 163     ThemeRepository::instance( p_intf );
 164
 165     // We support play on start
 166     p_intf->b_play = VLC_TRUE;
 167
 168     return( VLC_SUCCESS );
 169 }
 170
 171 //---------------------------------------------------------------------------
 172 // Close: destroy interface
 173 //---------------------------------------------------------------------------
 174 static void Close( vlc_object_t *p_this )
 175 {
 176     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 177
 178     // Destroy "singleton" objects
 179     OSFactory::instance( p_intf )->destroyOSLoop();
 180     ThemeRepository::destroy( p_intf );
 181     Dialogs::destroy( p_intf );
 182     Interpreter::destroy( p_intf );
 183     AsyncQueue::destroy( p_intf );
 184     VarManager::destroy( p_intf );
 185     VlcProc::destroy( p_intf );
 186     OSFactory::destroy( p_intf );
 187
 188     if( p_intf->p_sys->p_playlist )
 189     {
 190         vlc_object_release( p_intf->p_sys->p_playlist );
 191     }
 192
 193     // Unsubscribe from messages bank
 194     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 195
 196     // Destroy structure
 197     free( p_intf->p_sys );
 198 }
 199
 200
 201 //---------------------------------------------------------------------------
 202 // Run: main loop
 203 //---------------------------------------------------------------------------
 204 static void Run( intf_thread_t *p_intf )
 205 {
 206     // Load a theme
 207     ThemeLoader *pLoader = new ThemeLoader( p_intf );
 208     char *skin_last = config_GetPsz( p_intf, "skins2-last" );
 209
 210     if( !skin_last || !*skin_last || !pLoader->load( skin_last ) )
 211     {
 212         // Get the resource path and try to load the default skin
 213         OSFactory *pOSFactory = OSFactory::instance( p_intf );
 214         const list<string> &resPath = pOSFactory->getResourcePath();
 215         const string &sep = pOSFactory->getDirSeparator();
 216
 217         list<string>::const_iterator it;
 218         for( it = resPath.begin(); it != resPath.end(); it++ )
 219         {
 220             string path = (*it) + sep + "default.vlt";
 221             if( pLoader->load( path ) )
 222             {
 223                 // Theme loaded successfully
 224                 break;
 225             }
 226         }
 227         if( it == resPath.end() )
 228         {
 229             // Last chance: the user can select a new theme file
 230             if( Dialogs::instance( p_intf ) )
 231             {
 232                 CmdDlgChangeSkin *pCmd = new CmdDlgChangeSkin( p_intf );
 233                 AsyncQueue *pQueue = AsyncQueue::instance( p_intf );
 234                 pQueue->push( CmdGenericPtr( pCmd ) );
 235             }
 236             else
 237             {
 238                 // No dialogs provider, just quit...
 239                 CmdQuit *pCmd = new CmdQuit( p_intf );
 240                 AsyncQueue *pQueue = AsyncQueue::instance( p_intf );
 241                 pQueue->push( CmdGenericPtr( pCmd ) );
 242                 msg_Err( p_intf,
 243                          "cannot show the \"open skin\" dialog: exiting...");
 244             }
 245         }
 246     }
 247     delete pLoader;
 248
 249     free( skin_last );
 250
 251     // Get the instance of OSLoop
 252     OSLoop *loop = OSFactory::instance( p_intf )->getOSLoop();
 253
 254     // Check if we need to start playing
 255     if( p_intf->b_play )
 256     {
 257         playlist_t *p_playlist =
 258             (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 259                                            FIND_ANYWHERE );
 260         if( p_playlist )
 261         {
 262             playlist_Control( p_playlist, PLAYLIST_PLAY, VLC_FALSE );
 263             vlc_object_release( p_playlist );
 264         }
 265     }
 266
 267     // Enter the main event loop
 268     loop->run();
 269
 270     // Delete the theme and save the configuration of the windows
 271     if( p_intf->p_sys->p_theme )
 272     {
 273         p_intf->p_sys->p_theme->saveConfig();
 274         delete p_intf->p_sys->p_theme;
 275         p_intf->p_sys->p_theme = NULL;
 276     }
 277 }
 278
 279
 280 //---------------------------------------------------------------------------
 281 // DemuxOpen: initialize demux
 282 //---------------------------------------------------------------------------
 283 static int DemuxOpen( vlc_object_t *p_this )
 284 {
 285     demux_t *p_demux = (demux_t*)p_this;
 286     intf_thread_t *p_intf;
 287     char *ext;
 288
 289     // Needed callbacks
 290     p_demux->pf_demux   = Demux;
 291     p_demux->pf_control = DemuxControl;
 292
 293     // Test that we have a valid .vlt or .wsz file, based on the extension
 294     // TODO: an actual check of the contents would be better...
 295     if( ( ext = strchr( p_demux->psz_path, '.' ) ) == NULL ||
 296         ( strcasecmp( ext, ".vlt" ) && strcasecmp( ext, ".wsz" ) ) )
 297     {
 298         return VLC_EGENERIC;
 299     }
 300
 301     p_intf = (intf_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INTF,
 302                                                FIND_ANYWHERE );
 303     if( p_intf != NULL )
 304     {
 305         // Do nothing is skins2 is not the main interface
 306         if( var_Type( p_intf, "skin-to-load" ) == VLC_VAR_STRING )
 307         {
 308             playlist_t *p_playlist =
 309                 (playlist_t *) vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
 310                                                 FIND_ANYWHERE );
 311             if( p_playlist != NULL )
 312             {
 313                 // Make sure the item is deleted afterwards
 314                 /// \bug does not always work
 315                 p_playlist->status.p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
 316                 vlc_object_release( p_playlist );
 317             }
 318
 319             vlc_value_t val;
 320             val.psz_string = p_demux->psz_path;
 321             var_Set( p_intf, "skin-to-load", val );
 322         }
 323         else
 324         {
 325             msg_Warn( p_this,
 326                       "skin could not be loaded (not using skins2 intf)" );
 327         }
 328
 329         vlc_object_release( p_intf );
 330     }
 331
 332     return VLC_SUCCESS;
 333 }
 334
 335
 336 //---------------------------------------------------------------------------
 337 // Demux: return EOF
 338 //---------------------------------------------------------------------------
 339 static int Demux( demux_t *p_demux )
 340 {
 341     return 0;
 342 }
 343
 344
 345 //---------------------------------------------------------------------------
 346 // DemuxControl
 347 //---------------------------------------------------------------------------
 348 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
 349 {
 350     return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
 351 }
 352
 353
 354 //---------------------------------------------------------------------------
 355 // Callbacks
 356 //---------------------------------------------------------------------------
 357
 358 /// Callback for the systray configuration option
 359 static int onSystrayChange( vlc_object_t *pObj, const char *pVariable,
 360                             vlc_value_t oldVal, vlc_value_t newVal,
 361                             void *pParam )
 362 {
 363     intf_thread_t *pIntf =
 364         (intf_thread_t*)vlc_object_find( pObj, VLC_OBJECT_INTF, FIND_ANYWHERE );
 365
 366     if( pIntf == NULL )
 367     {
 368         return VLC_EGENERIC;
 369     }
 370
 371     // Check that we found the correct interface (same check as for the demux)
 372     if( var_Type( pIntf, "skin-to-load" ) == VLC_VAR_STRING )
 373     {
 374         AsyncQueue *pQueue = AsyncQueue::instance( pIntf );
 375         if( newVal.b_bool )
 376         {
 377             CmdAddInTray *pCmd = new CmdAddInTray( pIntf );
 378             pQueue->push( CmdGenericPtr( pCmd ) );
 379         }
 380         else
 381         {
 382             CmdRemoveFromTray *pCmd = new CmdRemoveFromTray( pIntf );
 383             pQueue->push( CmdGenericPtr( pCmd ) );
 384         }
 385     }
 386
 387     vlc_object_release( pIntf );
 388     return VLC_SUCCESS;
 389 }
 390
 391
 392 /// Callback for the systray configuration option
 393 static int onTaskBarChange( vlc_object_t *pObj, const char *pVariable,
 394                             vlc_value_t oldVal, vlc_value_t newVal,
 395                             void *pParam )
 396 {
 397     intf_thread_t *pIntf =
 398         (intf_thread_t*)vlc_object_find( pObj, VLC_OBJECT_INTF, FIND_ANYWHERE );
 399
 400     if( pIntf == NULL )
 401     {
 402         return VLC_EGENERIC;
 403     }
 404
 405     // Check that we found the correct interface (same check as for the demux)
 406     if( var_Type( pIntf, "skin-to-load" ) == VLC_VAR_STRING )
 407     {
 408         AsyncQueue *pQueue = AsyncQueue::instance( pIntf );
 409         if( newVal.b_bool )
 410         {
 411             CmdAddInTaskBar *pCmd = new CmdAddInTaskBar( pIntf );
 412             pQueue->push( CmdGenericPtr( pCmd ) );
 413         }
 414         else
 415         {
 416             CmdRemoveFromTaskBar *pCmd = new CmdRemoveFromTaskBar( pIntf );
 417             pQueue->push( CmdGenericPtr( pCmd ) );
 418         }
 419     }
 420
 421     vlc_object_release( pIntf );
 422     return VLC_SUCCESS;
 423 }
 424
 425
 426 //---------------------------------------------------------------------------
 427 // Module descriptor
 428 //---------------------------------------------------------------------------
 429 #define SKINS2_LAST      N_("Skin to use")
 430 #define SKINS2_LAST_LONG N_("Path to the skin to use.")
 431 #define SKINS2_CONFIG      N_("Config of last used skin")
 432 #define SKINS2_CONFIG_LONG N_("Windows configuration of the last skin used. " \
 433         "This option is updated automatically, do not touch it." )
 434 #define SKINS2_SYSTRAY      N_("Systray icon")
 435 #define SKINS2_SYSTRAY_LONG N_("Show a systray icon for VLC")
 436 #define SKINS2_TASKBAR      N_("Show VLC on the taskbar")
 437 #define SKINS2_TASKBAR_LONG N_("Show VLC on the taskbar")
 438 #define SKINS2_TRANSPARENCY      N_("Enable transparency effects")
 439 #define SKINS2_TRANSPARENCY_LONG N_("You can disable all transparency effects"\
 440     " if you want. This is mainly useful when moving windows does not behave" \
 441     " correctly.")
 442 #define SKINS2_PLAYLIST N_("Use a skinned playlist")
 443 #define SKINS2_PLAYLIST_LONG N_("Use a skinned playlist")
 444
 445 vlc_module_begin();
 446     set_category( CAT_INTERFACE );
 447     set_subcategory( SUBCAT_INTERFACE_MAIN );
 448     add_file( "skins2-last", "", NULL, SKINS2_LAST, SKINS2_LAST_LONG,
 449               VLC_TRUE );
 450         change_autosave();
 451     add_string( "skins2-config", "", NULL, SKINS2_CONFIG, SKINS2_CONFIG_LONG,
 452                 VLC_TRUE );
 453         change_autosave();
 454         change_internal();
 455 #ifdef WIN32
 456     add_bool( "skins2-systray", VLC_FALSE, onSystrayChange, SKINS2_SYSTRAY,
 457               SKINS2_SYSTRAY_LONG, VLC_FALSE );
 458     add_bool( "skins2-taskbar", VLC_TRUE, onTaskBarChange, SKINS2_TASKBAR,
 459               SKINS2_TASKBAR_LONG, VLC_FALSE );
 460     add_bool( "skins2-transparency", VLC_FALSE, NULL, SKINS2_TRANSPARENCY,
 461               SKINS2_TRANSPARENCY_LONG, VLC_FALSE );
 462 #endif
 463
 464     add_bool( "skinned-playlist", VLC_TRUE, NULL, SKINS2_PLAYLIST,
 465               SKINS2_PLAYLIST_LONG, VLC_FALSE );
 466     set_shortname( _("Skins"));
 467     set_description( _("Skinnable Interface") );
 468     set_capability( "interface", 30 );
 469     set_callbacks( Open, Close );
 470     add_shortcut( "skins" );
 471
 472     add_submodule();
 473         set_description( _("Skins loader demux") );
 474         set_capability( "demux2", 5 );
 475         set_callbacks( DemuxOpen, NULL );
 476
 477 vlc_module_end();