Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions
--- a/src/plugins/gstreamer/mediaplayer/playerresourcepolicy.cpp
+++ b/src/plugins/gstreamer/mediaplayer/playerresourcepolicy.cpp
@@ -0,0 +1,180 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "playerresourcepolicy.h"
+
+#ifdef Q_WS_MAEMO_6
+#define HAVE_RESOURCE_POLICY
+#endif
+
+//#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
+}