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 "KwDatabaseSetup.h"
  30
  31 #include <KCmdLineArgs>
  32
  33 /*
  34  * Static singleton data
  35  */
  36
  37 /// Singleton application.
  38 KwApplication* KwApplication::s_self = 0;
  39
  40 /*
  41  * Singletonhood
  42  */
  43
  44 /// Get the singleton application object.
  45 KwApplication* KwApplication::self()
  46 {
  47   return s_self;
  48 }
  49
  50 /*
  51  * Constructors + destructor
  52  */
  53
  54 /// Primary constructor.
  55 KwApplication::KwApplication()
  56 : m_app()
  57 , m_mainWindow(0) // soon to be initialised
  58 , m_pluginManager(new KwPluginManager())
  59 , m_database()
  60 {
  61   // Application must be lone.
  62   Q_ASSERT(0 == s_self);
  63   s_self = this;
  64
  65   // Setup database
  66   KwDatabaseSetup dbSetup;
  67   bool databaseOk = dbSetup.initialiseFromConfig();
  68   if (databaseOk)
  69   {
  70     m_database = dbSetup.database();
  71   }
  72
  73   // Set up the main window
  74   kworship *widget = new kworship;
  75   m_mainWindow = widget;
  76
  77   // Set up the plugin manager
  78   m_pluginManager->setMainWindow(m_mainWindow);
  79   m_pluginManager->loadPlugins();
  80
  81   // see if we are starting with session management
  82   if (m_app.isSessionRestored())
  83   {
  84     RESTORE(kworship);
  85   }
  86   else
  87   {
  88     widget->show();
  89     // no session.. just start up normally
  90     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
  91     if (args->count() > 0)
  92     {
  93       KUrl arg = args->arg(0);
  94       KUrl url = KCmdLineArgs::cwd();
  95       if (arg.isRelative())
  96       {
  97         url.addPath(arg.path());
  98       }
  99       else
 100       {
 101         url = arg;
 102       }
 103       widget->loadPlaylist(url);
 104     }
 105     args->clear();
 106   }
 107 }
 108
 109 /// Destructor.
 110 KwApplication::~KwApplication()
 111 {
 112   Q_ASSERT(this == s_self);
 113   s_self = 0;
 114
 115   delete m_pluginManager;
 116 }
 117
 118 /*
 119  * Main interface
 120  */
 121
 122 /// Execute the application.
 123 int KwApplication::exec()
 124 {
 125   return m_app.exec();
 126 }
 127
 128 /*
 129  * Accessors
 130  */
 131
 132 /// Get the main window widget.
 133 kworship* KwApplication::mainWindow()
 134 {
 135   return m_mainWindow;
 136 }
 137
 138 /// Get the plugin manager.
 139 KwPluginManager* KwApplication::pluginManager()
 140 {
 141   return m_pluginManager;
 142 }
 143
 144 /// Get the database object.
 145 QSqlDatabase& KwApplication::database()
 146 {
 147   return m_database;
 148 }