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/****************************************************************************
**
** Copyright (C) 2019 Orgad Shaneh <orgads@gmail.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "globalfilechangeblocker.h"
#include "qtcassert.h"
#include <QGuiApplication>
namespace Utils {
GlobalFileChangeBlocker::GlobalFileChangeBlocker()
{
m_blockedState = QGuiApplication::applicationState() != Qt::ApplicationActive;
connect(qApp, &QGuiApplication::applicationStateChanged,
this, &GlobalFileChangeBlocker::applicationStateChanged);
}
GlobalFileChangeBlocker *GlobalFileChangeBlocker::instance()
{
static GlobalFileChangeBlocker blocker;
return &blocker;
}
void GlobalFileChangeBlocker::forceBlocked(bool blocked)
{
blocked ? m_ignoreChanges.lock() : m_ignoreChanges.unlock();
applicationStateChanged(QGuiApplication::applicationState());
}
void GlobalFileChangeBlocker::applicationStateChanged(Qt::ApplicationState state)
{
const bool blocked = m_ignoreChanges.isLocked() || (state != Qt::ApplicationActive);
if (blocked != m_blockedState) {
emit stateChanged(blocked);
m_blockedState = blocked;
}
}
} // namespace Utils
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