git.maemo.org Git - jenirok/blob - src/common/settings.cpp

   1 /*
   2  * This file is part of Jenirok.
   3  *
   4  * Jenirok is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Jenirok is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Jenirok.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 #include <QtSql/QSqlQuery>
  20 #include <QtCore/QVariant>
  21 #include <QtCore/QDebug>
  22 #include <QtCore/QTranslator>
  23 #include <QtCore/QLocale>
  24 #include <gconf/gconf-client.h>
  25 #include "settings.h"
  26 #include "db.h"
  27
  28 namespace
  29 {
  30     static int const LANGUAGE_COUNT = 5;
  31
  32     static QString const LANGUAGE_NAMES[LANGUAGE_COUNT] = {
  33        "English",
  34        "Deutsch",
  35        "Norsk",
  36        "Suomi",
  37        "Svenska"
  38     };
  39
  40     static QString const LANGUAGE_IDS[LANGUAGE_COUNT] = {
  41        "en_US",
  42        "de_DE",
  43        "nb_NO",
  44        "fi_FI",
  45        "sv_SE"
  46     };
  47 }
  48
  49 Settings* Settings::instance_ = 0;
  50
  51 Settings* Settings::instance()
  52 {
  53     if(!instance_)
  54     {
  55         instance_ = new Settings;
  56     }
  57
  58     return instance_;
  59 }
  60
  61 void Settings::getLanguages(QList<Settings::Language>& languages)
  62 {
  63     for(int i = 0; i < LANGUAGE_COUNT; i++)
  64     {
  65         Language lang;
  66         lang.name = LANGUAGE_NAMES[i];
  67         lang.id = LANGUAGE_IDS[i];
  68         languages.push_back(lang);
  69     }
  70 }
  71
  72 void Settings::loadLanguage(QApplication& app)
  73 {
  74     QString language = get("language");
  75
  76     if(language.isEmpty())
  77     {
  78        language = QLocale::system().name();
  79     }
  80
  81     QTranslator* translator = new QTranslator(&app);
  82     translator->load(":/translations/" + language);
  83     app.installTranslator(translator);
  84 }
  85
  86 void Settings::close()
  87 {
  88     delete instance_;
  89     instance_ = 0;
  90 }
  91
  92 void Settings::startEdit()
  93 {
  94     if(!editing_ && !DB::connected())
  95     {
  96         editing_ = DB::connect();
  97     }
  98 }
  99
 100 void Settings::endEdit()
 101 {
 102     if(editing_)
 103     {
 104         DB::disconnect();
 105         editing_ = false;
 106     }
 107 }
 108
 109 bool Settings::set(QString const& name, QString const& value)
 110 {
 111     bool close = !editing_;
 112
 113     startEdit();
 114
 115     QSqlQuery deleteQuery;
 116     deleteQuery.prepare("DELETE FROM settings WHERE name = :name");
 117     deleteQuery.bindValue(":name", QVariant(name));
 118     deleteQuery.exec();
 119
 120     QSqlQuery query;
 121     query.prepare("INSERT INTO settings(name, value) VALUES(:name, :value)");
 122     query.bindValue(":name", QVariant(name));
 123     query.bindValue(":value", QVariant(value));
 124
 125     bool returnValue = query.exec();
 126
 127     if(close)
 128     {
 129         endEdit();
 130     }
 131
 132     settings_[name] = value;
 133
 134     return returnValue;
 135 }
 136
 137 QString Settings::get(QString const& name)
 138 {
 139     QMap<QString, QString>::iterator it;
 140
 141     if((it = settings_.find(name)) != settings_.end())
 142     {
 143         return it.value();
 144     }
 145
 146     QString result = "";
 147
 148     bool close = !editing_;
 149
 150     startEdit();
 151
 152     QSqlQuery query;
 153
 154     query.prepare("SELECT value FROM settings WHERE name = :name");
 155     query.bindValue(":name", name);
 156
 157     if(query.exec() && query.next())
 158     {
 159         result = query.value(0).toString();
 160     }
 161     else
 162     {
 163         result = getDefaultValue(name);
 164     }
 165
 166     if(close)
 167     {
 168         endEdit();
 169     }
 170
 171     settings_[name] = result;
 172
 173     return result;
 174
 175 }
 176
 177 QString Settings::getDefaultValue(QString const& name)
 178 {
 179     static bool defaultValuesLoaded = false;
 180     static QMap <QString, QString> defaultValues;
 181
 182     if(!defaultValuesLoaded)
 183     {
 184         defaultValues["autostart"] = "1";
 185         defaultValues["eniro_site"] = tr("fi");
 186         defaultValues["cache_size"] = "200";
 187         defaultValues["connection"] = "global";
 188         defaultValues["ignore_first_zero"] = "1";
 189         defaultValuesLoaded = true;
 190     }
 191
 192     QMap<QString, QString>::const_iterator it = defaultValues.find(name);
 193
 194     if(it != defaultValues.end())
 195     {
 196         return it.value();
 197     }
 198
 199     return "";
 200
 201 }
 202
 203 bool Settings::reset()
 204 {
 205     bool close = !editing_;
 206
 207     startEdit();
 208
 209     QSqlQuery query;
 210
 211     bool ret = query.exec("DELETE FROM settings");
 212
 213     if(close)
 214     {
 215         endEdit();
 216     }
 217
 218     return ret;
 219 }
 220
 221 Settings::ConnectionType Settings::getConnectionType()
 222 {
 223     QString value = get("connection");
 224
 225     if(value == "any")
 226     {
 227         return ANY;
 228     }
 229     else if(value == "wlan")
 230     {
 231         return WLAN;
 232     }
 233     else if(value == "gprs")
 234     {
 235         return GPRS;
 236     }
 237     else
 238     {
 239         if(value != "global")
 240         {
 241             qDebug() << "Unknown connection type in settings, using default";
 242         }
 243
 244         QList<QString> values;
 245
 246         GConfClient* gcClient = NULL;
 247         gcClient = gconf_client_get_default();
 248
 249         g_assert(GCONF_IS_CLIENT(gcClient));
 250
 251         GError* error = NULL;
 252         GSList* list = NULL;
 253         list = gconf_client_get_list(gcClient,
 254                                      "/system/osso/connectivity/network_type/auto_connect",
 255                                      GCONF_VALUE_STRING,
 256                                      &error);
 257
 258         if(error)
 259         {
 260             qDebug() << "Error: " << error->message;
 261             g_error_free(error);
 262         }
 263         else
 264         {
 265             while(list)
 266             {
 267                 values.push_back((char *)list->data);
 268                 list = list->next;
 269             }
 270         }
 271
 272         g_object_unref(gcClient);
 273
 274         if(values.size() == 0)
 275         {
 276             return ALWAYS_ASK;
 277         }
 278         else
 279         {
 280             QString value = values.at(0);
 281
 282             if(value == "*")
 283             {
 284                 return ANY;
 285             }
 286             else if(value == "GPRS")
 287             {
 288                 return GPRS;
 289             }
 290             else if(value == "WLAN_INFRA" || value == "WLAN_ADHOC" || value == "WLAN")
 291             {
 292                 return WLAN;
 293             }
 294             else
 295             {
 296                 qDebug() << "Unknown connection type: " << value;
 297                 return ALWAYS_ASK;
 298             }
 299         }
 300
 301     }
 302
 303     return ALWAYS_ASK;
 304 }
 305
 306 Settings::Settings(): editing_(false)
 307 {
 308 }
 309
 310 Settings::~Settings()
 311 {
 312     DB::removeDatabase();
 313 }