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/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#include <datetime/timezone-file.h>
namespace unity {
namespace indicator {
namespace datetime {
FileTimezone::FileTimezone()
{
}
FileTimezone::FileTimezone(const std::string& filename)
{
setFilename(filename);
}
FileTimezone::~FileTimezone()
{
clear();
}
void
FileTimezone::clear()
{
if (m_monitor_handler_id)
g_signal_handler_disconnect(m_monitor, m_monitor_handler_id);
g_clear_object (&m_monitor);
m_filename.clear();
}
void
FileTimezone::setFilename(const std::string& filename)
{
clear();
m_filename = filename;
auto file = g_file_new_for_path(filename.c_str());
GError * err = nullptr;
m_monitor = g_file_monitor_file(file, G_FILE_MONITOR_NONE, nullptr, &err);
g_object_unref(file);
if (err)
{
g_warning("%s Unable to monitor timezone file '%s': %s", G_STRLOC, TIMEZONE_FILE, err->message);
g_error_free(err);
}
else
{
m_monitor_handler_id = g_signal_connect_swapped(m_monitor, "changed", G_CALLBACK(onFileChanged), this);
g_debug("%s Monitoring timezone file '%s'", G_STRLOC, filename.c_str());
}
reload();
}
void
FileTimezone::onFileChanged(gpointer gself)
{
static_cast<FileTimezone*>(gself)->reload();
}
void
FileTimezone::reload()
{
GError * err = nullptr;
gchar * str = nullptr;
if (!g_file_get_contents(m_filename.c_str(), &str, nullptr, &err))
{
g_warning("%s Unable to read timezone file '%s': %s", G_STRLOC, m_filename.c_str(), err->message);
g_error_free(err);
}
else
{
g_strstrip(str);
timezone.set(str);
g_free(str);
}
}
} // namespace datetime
} // namespace indicator
} // namespace unity
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