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Implement resource policy plugin using libresourceqt.

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This contains a new resource policy plugin, replacing the built-in
code that was deleted when the plugin interface was removed in
138242fb2d (which unfortunately did not provide a
plugin).

Change-Id: Iae7ed6edc330c69ca0c72d50bde6c7e12b8cca4e
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
This commit is contained in:
Robin Burchell
2013-08-03 00:27:40 +02:00
committed by The Qt Project
parent f01af490a0
commit 9f484eae83
7 changed files with 375 additions and 0 deletions
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137
src/plugins/resourcepolicy/resourcepolicyimpl.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2013 Jolla Ltd, author: <robin.burchell@jollamobile.com>
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <policy/resource.h>
#include <policy/resources.h>
#include <policy/resource-set.h>
#include "resourcepolicyimpl.h"
ResourcePolicyImpl::ResourcePolicyImpl(QObject *parent)
: QMediaPlayerResourceSetInterface(parent)
{
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()));
}
bool ResourcePolicyImpl::isVideoEnabled() const
{
return m_videoEnabled;
}
void ResourcePolicyImpl::setVideoEnabled(bool videoEnabled)
{
if (m_videoEnabled != videoEnabled) {
m_videoEnabled = videoEnabled;
if (videoEnabled)
m_resourceSet->addResource(ResourcePolicy::VideoPlaybackType);
else
m_resourceSet->deleteResource(ResourcePolicy::VideoPlaybackType);
m_resourceSet->update();
}
}
void ResourcePolicyImpl::acquire()
{
m_status = RequestedResource;
m_resourceSet->acquire();
}
void ResourcePolicyImpl::release()
{
m_resourceSet->release();
m_status = Initial;
}
bool ResourcePolicyImpl::isGranted() const
{
return m_status == GrantedResource;
}
bool ResourcePolicyImpl::isAvailable() const
{
// TODO: is this used? what is it for?
qWarning() << Q_FUNC_INFO << "Stub";
return true;
}
void ResourcePolicyImpl::handleResourcesGranted()
{
m_status = GrantedResource;
emit resourcesGranted();
}
void ResourcePolicyImpl::handleResourcesDenied()
{
m_status = Initial;
emit resourcesDenied();
}
void ResourcePolicyImpl::handleResourcesLost()
{
if (m_status != Initial) {
m_status = Initial;
emit resourcesLost();
}
m_resourceSet->release();
}