itemsdatabase.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.
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "itemsdatabase.h"
#include <QFileSystemWatcher>
#include <QSet>
#include <QStringList>
#include <util/sll/delayedexecutor.h>
#include "itemtypes.h"
 
namespace LC
{
namespace Util
{
namespace XDG
{
    ItemsDatabase::ItemsDatabase (ICoreProxy_ptr proxy, const QList<Type>& types, QObject *parent)
    : ItemsFinder { proxy, types, parent }
    , Watcher_ { new QFileSystemWatcher { this } }
    {
        Watcher_->addPaths (ToPaths (types));
        connect (Watcher_,
                SIGNAL (directoryChanged (QString)),
                this,
                SLOT (scheduleUpdate ()));
    }
 
    void ItemsDatabase::scheduleUpdate ()
    {
        if (UpdateScheduled_)
            return;
 
        UpdateScheduled_ = true;
        Util::ExecuteLater ([this]
                {
                    UpdateScheduled_ = false;
                    update ();
                },
                10000);
    }
}
}
}