screensaverprohibitor.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 **********************************************************************/
 
#include "screensaverprohibitor.h"
#include <QString>
#include <QUuid>
#include <interfaces/core/ientitymanager.h>
#include "util.h"
 
namespace LC
{
namespace Util
{
    ScreensaverProhibitor::ScreensaverProhibitor (IEntityManager *iem)
    : IEM_ { iem }
    , ContextID_ { QUuid::createUuid ().toString () }
    {
    }
 
    ScreensaverProhibitor::~ScreensaverProhibitor ()
    {
        SetProhibited (false);
    }
 
    void ScreensaverProhibitor::SetProhibited (bool prohibited)
    {
        if (Prohibited_ == prohibited)
            return;
 
        Prohibited_ = prohibited;
 
        if (Enabled_)
            SendEntity (Prohibited_);
    }
 
    void ScreensaverProhibitor::SetProhibitionsEnabled (bool enabled)
    {
        if (Enabled_ == enabled)
            return;
 
        Enabled_ = enabled;
 
        if (Prohibited_)
            SendEntity (Enabled_);
    }
 
    void ScreensaverProhibitor::SendEntity (bool prohibit)
    {
        auto e = MakeEntity ("ScreensaverProhibition", {}, {}, "x-leechcraft/power-management");
        e.Additional_ = {
                { "Enable", prohibit },
                { "ContextID", ContextID_ }
            };
        IEM_->HandleEntity (e);
    }
}
}