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path: root/src/svnfrontend/fillcachethread.cpp
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/***************************************************************************
 *   Copyright (C) 2006-2007 by Rajko Albrecht                             *
 *   [email protected]                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
 ***************************************************************************/
#include "fillcachethread.h"
#include "tcontextlistener.h"

#include "src/svnqt/cache/LogCache.hpp"
#include "src/svnqt/cache/ReposLog.hpp"
#include "src/svnqt/cache/DatabaseException.hpp"
#include "src/kdesvn_events.h"

#include <qobject.h>
#include <kdebug.h>
#include <kapplication.h>
#include <klocale.h>

FillCacheThread::FillCacheThread(QObject*_parent,const QString&reposRoot)
    : QThread(),mutex(),m_SvnContextListener(0)
{
    m_Parent = _parent;
    m_CurrentContext = new svn::Context();

    m_SvnContextListener = new ThreadContextListener(m_Parent);
    QObject::connect(m_SvnContextListener,SIGNAL(sendNotify(const QString&)),m_Parent,SLOT(slotNotifyMessage(const QString&)));

    m_CurrentContext->setListener(m_SvnContextListener);
    m_what = reposRoot;
    m_Svnclient = svn::Client::getobject(m_CurrentContext,0);
}

FillCacheThread::~FillCacheThread()
{
    m_CurrentContext->setListener(0);
    delete m_Svnclient;
    m_SvnContextListener=0;
}

const QString&FillCacheThread::reposRoot()const
{
    return m_what;
}

void FillCacheThread::cancelMe()
{
    // method is threadsafe!
    m_SvnContextListener->setCanceled(true);
}

void FillCacheThread::run()
{
    svn::Revision where = svn::Revision::HEAD;
    QString ex;
    svn::cache::ReposLog rl(m_Svnclient,m_what);
    bool breakit=false;
    KApplication*k = KApplication::kApplication();
    try {
        svn::Revision latestCache = rl.latestCachedRev();
        svn::Revision Head = rl.latestHeadRev();
        Q_LLONG i = latestCache.revnum();
        if (i<0) {
            i=0;
        }
        Q_LLONG j = Head.revnum();

        Q_LLONG _max=j-i;
        Q_LLONG _cur=0;

        FillCacheStatusEvent*fev;
        if (k) {
            fev = new FillCacheStatusEvent(_cur,_max);
            k->postEvent(m_Parent,fev);
        }

        if (i<j) {
            for (;i<j;i+=200) {
                _cur+=200;
                rl.fillCache(i);

                if (m_SvnContextListener->contextCancel()) {
                    m_SvnContextListener->contextNotify(i18n("Filling cache canceled."));
                    breakit=true;
                    break;
                }
                if (latestCache==rl.latestCachedRev()) {
                    break;
                }
                if (k) {
                    fev = new FillCacheStatusEvent(_cur>_max?_max:_cur,_max);
                    k->postEvent(m_Parent,fev);
                }
                latestCache=rl.latestCachedRev();
            }
            if (latestCache.revnum()<Head.revnum()) {
                rl.fillCache(Head.revnum());
            }
            i=Head.revnum();
            m_SvnContextListener->contextNotify(i18n("Cache filled up to revision %1").arg(i));
        }
    } catch (const svn::Exception&e) {
        m_SvnContextListener->contextNotify(e.msg());
    }
    if (k && !breakit) {
        QCustomEvent*ev = new QCustomEvent(EVENT_LOGCACHE_FINISHED);
        ev->setData((void*)this);
        k->postEvent(m_Parent,ev);
    }
}