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/*
* Copyright (C) by Christian Kamm <mail@ckamm.de>
*
* 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 2 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.
*/
#include "lockwatcher.h"
#include "filesystem.h"
#include <QLoggingCategory>
#include <QTimer>
#include <chrono>
using namespace std::chrono_literals;
using namespace OCC;
Q_LOGGING_CATEGORY(lcLockWatcher, "gui.lockwatcher", QtInfoMsg)
namespace {
const auto check_frequency = 20s;
}
LockWatcher::LockWatcher(QObject *parent)
: QObject(parent)
{
connect(&_timer, &QTimer::timeout,
this, &LockWatcher::checkFiles);
_timer.start(check_frequency);
}
void LockWatcher::addFile(const QString &path, FileSystem::LockMode mode)
{
qCInfo(lcLockWatcher) << "Watching for lock of" << path << "being released";
_watchedPaths.insert(path, mode);
}
void LockWatcher::setCheckInterval(std::chrono::milliseconds interval)
{
_timer.start(interval.count());
}
bool LockWatcher::contains(const QString &path)
{
return _watchedPaths.contains(path);
}
void LockWatcher::checkFiles()
{
// copy as emit fileUnlocked might trigger a new insert
const auto watchedPathsCopy = _watchedPaths;
QSet<QString> unlocked;
for (auto it = watchedPathsCopy.cbegin(); it != watchedPathsCopy.cend(); ++it) {
if (!FileSystem::isFileLocked(it.key(), it.value())) {
qCInfo(lcLockWatcher) << "Lock of" << it.key() << "was released";
emit fileUnlocked(it.key());
unlocked.insert(it.key());
}
}
for (const auto &removed : qAsConst(unlocked)) {
_watchedPaths.remove(removed);
}
}
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