kworship/KwApplication.cpp

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 /**
  21  * @file KwApplication.cpp
  22  * @brief Application global data.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "KwApplication.h"
  27 #include "kworship.h"
  28 #include "KwPluginManager.h"
  29 #include "KwFilterManager.h"
  30 #include "KwKWorshipFilter.h"
  31 #include "KwDatabaseSetup.h"
  32
  33 #include <KCmdLineArgs>
  34
  35 /*
  36  * Static singleton data
  37  */
  38
  39 /// Singleton application.
  40 KwApplication* KwApplication::s_self = 0;
  41
  42 /*
  43  * Singletonhood
  44  */
  45
  46 /// Get the singleton application object.
  47 KwApplication* KwApplication::self()
  48 {
  49   return s_self;
  50 }
  51
  52 /*
  53  * Constructors + destructor
  54  */
  55
  56 /// Primary constructor.
  57 KwApplication::KwApplication()
  58 : m_app()
  59 , m_mainWindow(0) // soon to be initialised
  60 , m_pluginManager(new KwPluginManager())
  61 , m_filterManager(new KwFilterManager())
  62 , m_database()
  63 {
  64   // Application must be lone.
  65   Q_ASSERT(0 == s_self);
  66   s_self = this;
  67
  68   // Setup database
  69   KwDatabaseSetup dbSetup;
  70   bool databaseOk = dbSetup.initialiseFromConfig();
  71   if (databaseOk)
  72   {
  73     m_database = dbSetup.database();
  74   }
  75
  76   // Set the default load save filter
  77   m_filterManager->addLoadSaveFilter(new KwKWorshipFilter(), true);
  78
  79   // Set up the main window
  80   kworship *widget = new kworship;
  81   m_mainWindow = widget;
  82
  83   // Set up the plugin manager
  84   m_pluginManager->setMainWindow(m_mainWindow);
  85   m_pluginManager->loadPlugins();
  86
  87   // see if we are starting with session management
  88   if (m_app.isSessionRestored())
  89   {
  90     RESTORE(kworship);
  91   }
  92   else
  93   {
  94     widget->show();
  95     // no session.. just start up normally
  96     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
  97     if (args->count() > 0)
  98     {
  99       KUrl arg = args->arg(0);
 100       KUrl url = KCmdLineArgs::cwd();
 101       if (arg.isRelative())
 102       {
 103         url.addPath(arg.path());
 104       }
 105       else
 106       {
 107         url = arg;
 108       }
 109       widget->loadPlaylist(url);
 110     }
 111     args->clear();
 112   }
 113 }
 114
 115 /// Destructor.
 116 KwApplication::~KwApplication()
 117 {
 118   Q_ASSERT(this == s_self);
 119   s_self = 0;
 120
 121   delete m_pluginManager;
 122   delete m_filterManager;
 123 }
 124
 125 /*
 126  * Main interface
 127  */
 128
 129 /// Execute the application.
 130 int KwApplication::exec()
 131 {
 132   return m_app.exec();
 133 }
 134
 135 /*
 136  * Accessors
 137  */
 138
 139 /// Get the main window widget.
 140 kworship* KwApplication::mainWindow()
 141 {
 142   return m_mainWindow;
 143 }
 144
 145 /// Get the plugin manager.
 146 KwPluginManager* KwApplication::pluginManager()
 147 {
 148   return m_pluginManager;
 149 }
 150
 151 /// Get the filter manager.
 152 KwFilterManager* KwApplication::filterManager()
 153 {
 154   return m_filterManager;
 155 }
 156
 157 /// Get the database object.
 158 QSqlDatabase& KwApplication::database()
 159 {
 160   return m_database;
 161 }