vaikene.ee Git - evaf/blob - src/libs/Common/app.cpp

   1 /**
   2  * @file Common/app.cpp
   3  * @brief Application interface implementation
   4  * @author Enar Vaikene
   5  *
   6  * Copyright (c) 2011 Enar Vaikene
   7  *
   8  * This file is part of the eVaf C++ cross-platform application development framework.
   9  *
  10  * This file can be used under the terms of the GNU General Public License
  11  * version 3.0 as published by the Free Software Foundation and appearing in
  12  * the file LICENSE included in the packaging of this file. Please review the
  13  * the following information to ensure the GNU General Public License version
  14  * 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  15  *
  16  * Alternatively, this file may be used in accordance with the Commercial License
  17  * Agreement provided with the Software.
  18  */
  19
  20 #include "app.h"
  21 #include "globals.h"
  22 #include "registry.h"
  23 #include "ienv.h"
  24 #include "version.h"
  25
  26 #include <QtCore>
  27
  28
  29 //-------------------------------------------------------------------
  30
  31 using namespace eVaf::Common;
  32
  33 iApp * iApp::instance()
  34 {
  35     static Internal::App singleton;
  36     return &singleton;
  37 }
  38
  39 char const * const iApp::EV_QUIT = "iApp::quit";
  40 char const * const iApp::EV_RESTART = "iApp::restart";
  41 char const * const iApp::EV_READY = "iApp::ready";
  42 char const * const iApp::EV_TERMINATING = "iApp::terminating";
  43
  44
  45 //-------------------------------------------------------------------
  46
  47 using namespace eVaf::Common::Internal;
  48
  49 App::App()
  50     : iApp()
  51     , mReady(false)
  52     , mName(VER_PRODUCT_NAME_STR)
  53 {
  54     setObjectName(QString("%1.iApp").arg(VER_MODULE_NAME_STR));
  55
  56 }
  57
  58 App::~App()
  59 {
  60 }
  61
  62 bool App::init()
  63 {
  64     // Register our interface
  65     iRegistry::instance()->registerInterface("iApp", this);
  66
  67     // Set the default application name and language
  68     mName = VER_PRODUCT_NAME_STR;
  69     mLanguage = QLocale::system().name();
  70
  71     // Clear the XML file name
  72     mXmlFile.clear();
  73
  74     // Process environment variables
  75     QStringList env = QProcess::systemEnvironment();
  76     for (int i = 0; i < env.size(); ++i) {
  77         // Get the name/value pair
  78         QString name = env.at(i).section('=', 0, 0).trimmed();
  79         QString value = env.at(i).section('=', 1).trimmed();
  80
  81         if (name == "EVAF_APP_NAME")
  82             mName = value;
  83         else if (name == "EVAF_LANGUAGE")
  84             mLanguage = value;
  85     }
  86
  87     // Then process command-line arguments
  88     env = QCoreApplication::arguments();
  89     for (int i = 0; i < env.size(); ++i) {
  90         // Get the name and optional value
  91         QStringList arg = env.at(i).simplified().split('=');
  92
  93         if (QRegExp("-[-]?app(lication)?").exactMatch(arg.at(0)) && arg.size() > 1)
  94             mName = arg.at(1);
  95         else if (QRegExp("-[-]?lang(uage)?").exactMatch(arg.at(0)) && arg.size() > 1)
  96             mLanguage = arg.at(1);
  97     }
  98
  99     return true;
 100 }
 101
 102 QString const App::xmlFileName() const
 103 {
 104     if (mXmlFile.isEmpty()) {
 105         QFileInfo fi;
 106
 107         // Try the full application name + country + language combination
 108         QString name = mName + "_" + mLanguage + ".xml";
 109         fi.setFile(iEnv::instance()->etcDir() + name);
 110         if (fi.isReadable())
 111             mXmlFile = name;
 112         else {
 113             // Try application name + country
 114             name = mName + "_" + mLanguage.left(2) + ".xml";
 115             fi.setFile(iEnv::instance()->etcDir() + name);
 116             if (fi.isReadable())
 117                 mXmlFile = name;
 118             else
 119                 // Fall-back to the generic name
 120                 mXmlFile = mName + ".xml";
 121         }
 122     }
 123     return mXmlFile;
 124 }
 125
 126 void App::restart()
 127 {
 128     QCoreApplication::exit(RC_Restart);
 129 }
 130
 131 void App::quit(bool err)
 132 {
 133     QCoreApplication::exit(err ? RC_Error : RC_Quit);
 134 }