--- /dev/null
+/*****************************************************************************
+ * themeloader.cpp: ThemeLoader class
+ *****************************************************************************
+ * Copyright (C) 2003 VideoLAN
+ * $Id: themeloader.cpp,v 1.1 2003/03/18 02:21:47 ipkiss Exp $
+ *
+ * Authors: Olivier Teulière <ipkiss@via.ecp.fr>
+ * Emmanuel Puig <karibu@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111,
+ * USA.
+ *****************************************************************************/
+
+
+//--- GENERAL ---------------------------------------------------------------
+#include <string>
+#include <fcntl.h>
+
+#if defined( HAVE_LIBTAR_H ) && defined( HAVE_ZLIB_H )
+# include <zlib.h>
+# include <libtar.h>
+#endif
+
+//--- VLC -------------------------------------------------------------------
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+
+//--- SKIN ------------------------------------------------------------------
+#include "os_api.h"
+#include "theme.h"
+#include "os_theme.h"
+#include "themeloader.h"
+#include "skin_common.h"
+
+#define DEFAULT_XML_FILE "theme.xml"
+
+//---------------------------------------------------------------------------
+extern "C"
+{
+ extern FILE *yyin;
+ int yylex();
+}
+
+//---------------------------------------------------------------------------
+ThemeLoader::ThemeLoader( intf_thread_t *_p_intf )
+{
+ p_intf = _p_intf;
+}
+//---------------------------------------------------------------------------
+ThemeLoader::~ThemeLoader()
+{
+}
+//---------------------------------------------------------------------------
+int gzopen_frontend( char *pathname, int oflags, int mode )
+{
+#if defined( HAVE_LIBTAR_H ) && defined( HAVE_ZLIB_H )
+ char *gzflags;
+ gzFile gzf;
+ int fd;
+
+ switch( oflags & O_ACCMODE )
+ {
+ case O_WRONLY:
+ gzflags = "wb";
+ break;
+ case O_RDONLY:
+ gzflags = "rb";
+ break;
+ case O_RDWR:
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ fd = open( pathname, oflags, mode );
+ if( fd == -1 )
+ return -1;
+
+// if( ( oflags & O_CREAT ) && fchmod( fd, mode ) )
+// return -1;
+
+ gzf = gzdopen( fd, gzflags );
+ if( !gzf )
+ {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ return (int)gzf;
+#else
+ return 0;
+#endif
+}
+//---------------------------------------------------------------------------
+#if defined( HAVE_LIBTAR_H ) && defined( HAVE_ZLIB_H )
+bool ThemeLoader::ExtractTarGz( const string tarfile, const string rootdir )
+{
+ TAR *t;
+ tartype_t gztype = { (openfunc_t) gzopen_frontend, (closefunc_t) gzclose,
+ (readfunc_t) gzread, (writefunc_t) gzwrite };
+
+ if( tar_open( &t, (char *)tarfile.c_str(), &gztype, O_RDONLY, 0,
+ TAR_GNU ) == -1 )
+ {
+ return false;
+ }
+
+ if( tar_extract_all( t, (char *)rootdir.c_str() ) != 0 )
+ {
+ return false;
+ }
+
+ if( tar_close( t ) != 0 )
+ {
+ return false;
+ }
+
+ return true;
+}
+//---------------------------------------------------------------------------
+bool ThemeLoader::Extract( const string FileName )
+{
+ char *tmpdir = tempnam( NULL, "vlt" );
+ string TempPath = tmpdir;
+ free( tmpdir );
+
+ if( ! ExtractTarGz( FileName, TempPath ) )
+ return false;
+
+ if( ! Parse( TempPath + DIRECTORY_SEPARATOR + string( DEFAULT_XML_FILE ) ) )
+ {
+ DeleteTempFiles( TempPath );
+ return false;
+ }
+
+ DeleteTempFiles( TempPath );
+ return true;
+}
+//---------------------------------------------------------------------------
+void ThemeLoader::DeleteTempFiles( const string Path )
+{
+ OSAPI_RmDir( Path );
+}
+#endif
+//---------------------------------------------------------------------------
+void ThemeLoader::CleanTheme()
+{
+ delete (OSTheme *)p_intf->p_sys->p_theme;
+ p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
+}
+//---------------------------------------------------------------------------
+bool ThemeLoader::Parse( const string XmlFile )
+{
+ // Things to do before loading theme
+ p_intf->p_sys->p_theme->OnLoadTheme();
+
+ // Set the file to parse
+ yyin = fopen( XmlFile.c_str(), "r" );
+ if( yyin == NULL )
+ {
+ // Skin cannot be opened
+ msg_Warn( p_intf, "Cannot open the specified skin file: %s",
+ XmlFile.c_str() );
+ return false;
+ }
+
+ // File loaded
+ msg_Dbg( p_intf, "Using skin file: %s", XmlFile.c_str() );
+
+ // Save current working directory
+ char *cwd = new char[MAX_PATH];
+ getcwd( cwd, MAX_PATH );
+
+ // Directory separator is different in each OS !
+ int p = XmlFile.rfind( DIRECTORY_SEPARATOR, XmlFile.size() );
+
+ // Change current working directory to xml file
+ string path = "";
+ if( p > 0 )
+ path = XmlFile.substr( 0, p );
+ chdir( path.c_str() );
+
+ p_intf->p_sys->b_all_win_closed = false;
+
+ // Start the parser
+ int lex = yylex();
+ fclose( yyin );
+ if( lex )
+ {
+ // Set old working directory to current
+ chdir( cwd );
+ delete[] cwd;
+
+ msg_Warn( p_intf, "yylex failed: %i", lex );
+ CleanTheme();
+ return false;
+ }
+
+ // Set old working directory to current
+ chdir( cwd );
+ delete[] cwd;
+
+ return true;
+}
+//---------------------------------------------------------------------------
+bool ThemeLoader::Load( const string FileName )
+{
+ // First, we try to un-targz the file, and if it fails we hope it's a XML
+ // file...
+#if defined( HAVE_LIBTAR_H ) && defined( HAVE_ZLIB_H )
+ if( ! Extract( FileName ) && ! Parse( FileName ) )
+ return false;
+#else
+ if( ! Parse( FileName ) )
+ return false;
+#endif
+
+ // Check if the skin to load is in the config file, to load its config
+ char *skin_last = config_GetPsz( p_intf, "skin_last" );
+ if( skin_last != NULL && FileName == (string)skin_last )
+ {
+ p_intf->p_sys->p_theme->LoadConfig();
+ }
+ else
+ {
+ config_PutPsz( p_intf, "skin_last", FileName.c_str() );
+ config_SaveConfigFile( p_intf, "skin" );
+ }
+
+ return true;
+}
+//---------------------------------------------------------------------------
projects / vlc / blobdiff