modules/gui/skins2/src/var_manager.cpp

   1 /*****************************************************************************
   2  * var_manager.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 #include "var_manager.hpp"
  26
  27
  28 VarManager::VarManager( intf_thread_t *pIntf ): SkinObject( pIntf ),
  29     m_pTooltipText( NULL ), m_pHelpText( NULL )
  30 {
  31     m_pTooltipText = new VarText( pIntf );
  32     m_pHelpText = new VarText( pIntf, false );
  33 }
  34
  35
  36 VarManager::~VarManager()
  37 {
  38     // Delete the variables in the reverse order they were added
  39     list<string>::const_iterator it1;
  40     for( it1 = m_varList.begin(); it1 != m_varList.end(); it1++ )
  41     {
  42         m_varMap.erase(*it1);
  43     }
  44
  45     // Delete the anonymous variables
  46     while( !m_anonVarList.empty() )
  47     {
  48         m_anonVarList.pop_back();
  49     }
  50
  51
  52     delete m_pTooltipText;
  53
  54     // Warning! the help text must be the last variable to be deleted,
  55     // because VarText destructor references it (FIXME: find a cleaner way?)
  56     delete m_pHelpText;
  57 }
  58
  59
  60 VarManager *VarManager::instance( intf_thread_t *pIntf )
  61 {
  62     if( ! pIntf->p_sys->p_varManager )
  63     {
  64         VarManager *pVarManager;
  65         pVarManager = new VarManager( pIntf );
  66         if( pVarManager )
  67         {
  68             pIntf->p_sys->p_varManager = pVarManager;
  69         }
  70     }
  71     return pIntf->p_sys->p_varManager;
  72 }
  73
  74
  75 void VarManager::destroy( intf_thread_t *pIntf )
  76 {
  77     delete pIntf->p_sys->p_varManager;
  78     pIntf->p_sys->p_varManager = NULL;
  79 }
  80
  81
  82 void VarManager::registerVar( const VariablePtr &rcVar, const string &rName )
  83 {
  84     m_varMap[rName] = rcVar;
  85     m_varList.push_front( rName );
  86
  87     m_anonVarList.push_back( rcVar );
  88 }
  89
  90
  91 void VarManager::registerVar( const VariablePtr &rcVar )
  92 {
  93     m_anonVarList.push_back( rcVar );
  94 }
  95
  96
  97 Variable *VarManager::getVar( const string &rName )
  98 {
  99     if( m_varMap.find( rName ) != m_varMap.end() )
 100     {
 101         return m_varMap[rName].get();
 102     }
 103     else
 104     {
 105         return NULL;
 106     }
 107 }
 108
 109
 110 Variable *VarManager::getVar( const string &rName, const string &rType )
 111 {
 112     if( m_varMap.find( rName ) != m_varMap.end() )
 113     {
 114         Variable *pVar = m_varMap[rName].get();
 115         // Check the variable type
 116         if( pVar->getType() != rType )
 117         {
 118             msg_Warn( getIntf(), "variable %s has incorrect type (%s instead"
 119                       " of (%s)", rName.c_str(), pVar->getType().c_str(),
 120                       rType.c_str() );
 121             return NULL;
 122         }
 123         else
 124         {
 125             return pVar;
 126         }
 127     }
 128     else
 129     {
 130         return NULL;
 131     }
 132 }
 133
 134
 135 void VarManager::registerConst( const string &rName, const string &rValue)
 136 {
 137     m_constMap[rName] = rValue;
 138 }
 139
 140
 141 string VarManager::getConst( const string &rName )
 142 {
 143     return m_constMap[rName];
 144 }
 145