rssguard/src/core/settings.cpp
2014-03-18 12:50:14 +01:00

101 lines
3.3 KiB
C++

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2014 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "core/settings.h"
#include "core/defs.h"
#include <QApplication>
#include <QDebug>
#include <QDir>
#include <QPointer>
#include <QWebSettings>
QPointer<Settings> Settings::s_instance;
Settings::Settings(const QString &file_name, Format format,
const Type &status, QObject *parent)
: QSettings(file_name, format, parent), m_initializationStatus(status) {
}
Settings::~Settings() {
checkSettings();
qDebug("Deleting Settings instance.");
}
QSettings::Status Settings::checkSettings() {
qDebug("Syncing settings.");
sync();
return status();
}
Settings *Settings::instance() {
if (s_instance.isNull()) {
setupSettings();
}
return s_instance;
}
QSettings::Status Settings::setupSettings() {
// If settings file exists in executable file working directory
// (in subdirectory APP_CFG_PATH), then use it (portable settings).
// Otherwise use settings file stored in homePath();
QString relative_path = QDir::separator() + QString(APP_CFG_PATH) +
QDir::separator() + QString(APP_CFG_FILE);
QString app_path = qApp->applicationDirPath();
QString app_path_file = app_path + relative_path;
// Check if portable settings are available.
if (QFile(app_path_file).exists()) {
// Portable settings are available, use them.
s_instance = new Settings(app_path_file, QSettings::IniFormat,
Settings::Portable, qApp);
// Construct icon cache in the same path.
QString web_path = app_path + QDir::separator() + QString(APP_DB_WEB_PATH);
QDir(web_path).mkpath(web_path);
QWebSettings::setIconDatabasePath(web_path);
qDebug("Initializing settings in '%s' (portable way).",
qPrintable(QDir::toNativeSeparators(app_path_file)));
}
else {
// Portable settings are NOT available, store them in
// user's home directory.
QString home_path = QDir::homePath() + QDir::separator() +
QString(APP_LOW_H_NAME);
QString home_path_file = home_path + relative_path;
s_instance = new Settings(home_path_file, QSettings::IniFormat,
Settings::NonPortable, qApp);
// Construct icon cache in the same path.
QString web_path = home_path + QDir::separator() + QString(APP_DB_WEB_PATH);
QDir(web_path).mkpath(web_path);
QWebSettings::setIconDatabasePath(web_path);
qDebug("Initializing settings in '%s' (non-portable way).",
qPrintable(QDir::toNativeSeparators(home_path_file)));
}
return (*s_instance).checkSettings();
}