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/*
* Copyright (C) 2011-2017 elementary Developers
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: ammonkey <am.monkeyd@gmail.com>,
* lampe2 <michael@lazarski.me>,
* Akshay Shekher <voldyman666@gmail.com>,
* Victor Martinez <victoreduardm@gmail.com>
*/
public class Contractor.ContractDirectory : Object {
public signal void changed ();
private const int DIRECTORY_RELOAD_TIMEOUT_MS = 500;
private File contract_directory;
private FileMonitor monitor;
private bool update_pending = false;
public ContractDirectory (File directory) {
contract_directory = directory;
set_monitor ();
}
public Gee.List<File> lookup_contract_files () {
var file_enumerator = new ContractFileEnumerator (contract_directory);
return file_enumerator.enumerate_files ();
}
private void set_monitor () {
try {
monitor = contract_directory.monitor_directory (FileMonitorFlags.NONE, null);
monitor.changed.connect (on_change_event);
} catch (IOError e) {
critical ("Could not set up monitor for '%s': %s", contract_directory.get_path (), e.message);
}
}
private async void on_change_event (File file, File? other_file, FileMonitorEvent event) {
if (update_pending) {
return;
}
update_pending = true;
Timeout.add (DIRECTORY_RELOAD_TIMEOUT_MS, on_change_event.callback);
yield;
changed ();
update_pending = false;
}
}
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