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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2013 by Paul Rohrbach <p.b.r at gmx dot net>
*
*
* 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) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */
// Self Includes
#include "adblockelementhiding.h"
// Rekonq Includes
#include "rekonq_defines.h"
AdBlockElementHiding::AdBlockElementHiding()
{
}
bool AdBlockElementHiding::addRule(const QString &rule)
{
if (!rule.contains(QL1S("##")))
return false;
if (rule.startsWith(QL1S("##")))
{
m_GenericRules.push_back(rule.mid(2));
return true;
}
const QStringList lst = rule.split(QL1S("##"));
QString domainSpecificRule = lst[1];
QStringList domains = lst[0].split(QL1C(','));
Q_FOREACH(const QString &domain, domains)
{
if(domain.startsWith(QL1C('~')))
{
m_DomainSpecificRulesWhitelist.insert(domain.mid(1),
domainSpecificRule);
continue;
}
m_DomainSpecificRules.insert(domain, domainSpecificRule);
}
return true;
}
void AdBlockElementHiding::apply(QWebElement &document, const QString &domain) const
{
//first apply generic rules
Q_FOREACH(const QString &rule, m_GenericRules)
{
applyStringRule(document, rule);
}
//check for whitelisted rules
QStringList whiteListedRules;
const QStringList subdomainList = generateSubdomainList(domain);
Q_FOREACH(const QString &d, subdomainList)
{
whiteListedRules.append(m_DomainSpecificRulesWhitelist.values(d));
}
//apply rules if not whitelisted
Q_FOREACH(const QString &d, subdomainList)
{
const QList<QString> ruleList = m_DomainSpecificRules.values(d);
Q_FOREACH(const QString &rule, ruleList)
{
if (!whiteListedRules.contains(rule))
applyStringRule(document, rule);
}
}
}
void AdBlockElementHiding::clear()
{
m_GenericRules.clear();
m_DomainSpecificRules.clear();
m_DomainSpecificRulesWhitelist.clear();
}
void AdBlockElementHiding::applyStringRule(QWebElement &document, const QString &rule) const
{
QWebElementCollection elements = document.findAll(rule);
Q_FOREACH(QWebElement el, elements)
{
if (el.isNull())
continue;
kDebug() << "Hide element: " << el.localName();
el.removeFromDocument();
}
}
QStringList AdBlockElementHiding::generateSubdomainList(const QString &domain) const
{
QStringList returnList;
int dotPosition = domain.lastIndexOf(QL1C('.'));
dotPosition = domain.lastIndexOf(QL1C('.'), dotPosition - 1);
while (dotPosition != -1)
{
returnList.append(domain.mid(dotPosition + 1));
dotPosition = domain.lastIndexOf(QL1C('.'), dotPosition - 1);
}
returnList.append(domain);
return returnList;
}
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