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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQMLCONFIGURABLEDEBUGSEVICE_H
#define QQMLCONFIGURABLEDEBUGSEVICE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qqmldebugservice_p.h>
#include <private/qqmldebugconnector_p.h>
#include <QtCore/qmutex.h>
QT_BEGIN_NAMESPACE
template <class Base>
class QQmlConfigurableDebugService : public Base
{
protected:
QQmlConfigurableDebugService(float version, QObject *parent = 0) :
Base(version, parent), m_configMutex(QMutex::Recursive)
{
init();
}
void stopWaiting()
{
QMutexLocker lock(&m_configMutex);
m_waitingForConfiguration = false;
foreach (QJSEngine *engine, m_waitingEngines)
emit Base::attachedToEngine(engine);
m_waitingEngines.clear();
}
void init()
{
QMutexLocker lock(&m_configMutex);
// If we're not enabled or not blocking, don't wait for configuration
m_waitingForConfiguration = (Base::state() == QQmlDebugService::Enabled &&
QQmlDebugConnector::instance()->blockingMode());
}
void stateChanged(QQmlDebugService::State newState) Q_DECL_OVERRIDE
{
if (newState != QQmlDebugService::Enabled)
stopWaiting();
else
init();
}
void engineAboutToBeAdded(QJSEngine *engine) Q_DECL_OVERRIDE
{
QMutexLocker lock(&m_configMutex);
if (m_waitingForConfiguration)
m_waitingEngines.append(engine);
else
emit Base::attachedToEngine(engine);
}
QMutex m_configMutex;
QList<QJSEngine *> m_waitingEngines;
bool m_waitingForConfiguration;
};
QT_END_NAMESPACE
#endif // QQMLCONFIGURABLEDEBUGSEVICE_H
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