AppDirectRenderingArbitrator.h

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/* @@@LICENSE
*
*      Copyright (c) 2010-2012 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* LICENSE@@@ */




#ifndef APPDIRECTRENDERINGARBITRATOR_H
#define APPDIRECTRENDERINGARBITRATOR_H

#include <QObject>
#include <QSet>

class QTimer;

class AppDirectRenderingArbitrator : public QObject
{
        Q_OBJECT
        
public:

        static void setLayerEnabled(void* client, bool enabled);
        static void suspend();
        static void resume();

private:

        AppDirectRenderingArbitrator();
        void layerEnabled(void* client, bool enabled);
        void suspendLayer();
        void resumeLayer();

private Q_SLOTS:

        void slotLayerTurnOffTimerTimeout();

private:

        QTimer* m_layerTurnOffTimer;
        QSet<void*> m_clients;
        bool m_suspended;
};

#endif /* APPDIRECTRENDERINGARBITRATOR_H */