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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "playerresourcepolicy.h"
//#define DEBUG_RESOURCE_POLICY
#include <QtCore/qdebug.h>
#ifdef HAVE_RESOURCE_POLICY
#include <policy/resource.h>
#include <policy/resources.h>
#include <policy/resource-set.h>
#endif
PlayerResourcePolicy::PlayerResourcePolicy(QObject *parent) :
QObject(parent),
m_videoEnabled(true),
m_resourceSet(0),
m_status(PlayerResourcePolicy::Initial)
{
#ifdef HAVE_RESOURCE_POLICY
m_resourceSet = new ResourcePolicy::ResourceSet("player", this);
m_resourceSet->setAlwaysReply();
ResourcePolicy::AudioResource *audioResource = new ResourcePolicy::AudioResource("player");
audioResource->setProcessID(QCoreApplication::applicationPid());
audioResource->setStreamTag("media.name", "*");
m_resourceSet->addResourceObject(audioResource);
m_resourceSet->addResource(ResourcePolicy::VideoPlaybackType);
m_resourceSet->update();
connect(m_resourceSet, SIGNAL(resourcesGranted(const QList<ResourcePolicy::ResourceType>)),
this, SLOT(handleResourcesGranted()));
connect(m_resourceSet, SIGNAL(resourcesDenied()),
this, SLOT(handleResourcesDenied()));
connect(m_resourceSet, SIGNAL(lostResources()),
this, SLOT(handleResourcesLost()));
connect(m_resourceSet, SIGNAL(resourcesReleasedByManager()),
this, SLOT(handleResourcesLost()));
#endif
}
PlayerResourcePolicy::~PlayerResourcePolicy()
{
}
bool PlayerResourcePolicy::isVideoEnabled() const
{
return m_videoEnabled;
}
void PlayerResourcePolicy::setVideoEnabled(bool enabled)
{
if (m_videoEnabled != enabled) {
m_videoEnabled = enabled;
#ifdef HAVE_RESOURCE_POLICY
if (enabled)
m_resourceSet->addResource(ResourcePolicy::VideoPlaybackType);
else
m_resourceSet->deleteResource(ResourcePolicy::VideoPlaybackType);
m_resourceSet->update();
#endif
}
}
void PlayerResourcePolicy::acquire()
{
#ifdef HAVE_RESOURCE_POLICY
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Acquire resource";
#endif
m_status = RequestedResource;
m_resourceSet->acquire();
#else
m_status = GrantedResource;
#endif
}
void PlayerResourcePolicy::release()
{
#ifdef HAVE_RESOURCE_POLICY
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Release resource";
#endif
m_resourceSet->release();
#endif
m_status = Initial;
}
bool PlayerResourcePolicy::isGranted() const
{
return m_status == GrantedResource;
}
bool PlayerResourcePolicy::isRequested() const
{
return m_status == RequestedResource;
}
void PlayerResourcePolicy::handleResourcesGranted()
{
m_status = GrantedResource;
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource granted";
#endif
emit resourcesGranted();
}
void PlayerResourcePolicy::handleResourcesDenied()
{
m_status = Initial;
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource denied";
#endif
emit resourcesDenied();
}
void PlayerResourcePolicy::handleResourcesLost()
{
#ifdef DEBUG_RESOURCE_POLICY
qDebug() << Q_FUNC_INFO << "Resource lost";
#endif
if (m_status != Initial) {
m_status = Initial;
emit resourcesLost();
}
#ifdef HAVE_RESOURCE_POLICY
m_resourceSet->release();
#endif
}
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