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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-11 09:32:12 +01:00
falkonOfficial/src/adblock/adblockpage.cpp
nowrep 2cb067878d Coding style, fixed cppcheck warnings + improved html highlighter
- html highlighter is now highlighting with reg exps, no more with hard
coded tags/tag options
 - all cppecheck warnings fixed + added script (cppcheck.sh)
 - introduced coding style + added astyle script (coding_style.sh)
 - fixed one mistake in czech translate + updated windows installer
2011-11-06 17:01:23 +01:00

128 lines
4.0 KiB
C++

/**
* Copyright (c) 2009, Benjamin C. Meyer <ben@meyerhome.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Benjamin Meyer nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "adblockpage.h"
#include "adblockmanager.h"
#include "adblocksubscription.h"
#include "adblockrule.h"
#if QT_VERSION >= 0x040600
#include <qwebelement.h>
#endif
#include <qwebpage.h>
#include <qwebframe.h>
#include <qdebug.h>
// #define ADBLOCKPAGE_DEBUG
AdBlockPage::AdBlockPage(QObject* parent)
: QObject(parent)
{
}
void AdBlockPage::checkRule(const AdBlockRule* rule, QWebPage* page, const QString &host)
{
if (!rule->isEnabled()) {
return;
}
QString filter = rule->filter();
int offset = filter.indexOf(QLatin1String("##"));
if (offset == -1) {
return;
}
QString selectorQuery;
if (offset > 0) {
QString domainRules = filter.mid(0, offset);
selectorQuery = filter.mid(offset + 2);
QStringList domains = domainRules.split(QLatin1Char(','));
bool match = false;
foreach(const QString & domain, domains) {
bool reverse = (domain[0] == QLatin1Char('~'));
if (reverse) {
QString xdomain = domain.mid(1);
if (host.endsWith(xdomain)) {
return;
}
match = true;
}
if (host.endsWith(domain)) {
match = true;
}
}
if (!match) {
return;
}
}
if (offset == 0) {
selectorQuery = filter.mid(2);
}
Q_UNUSED(page);
#if QT_VERSION >= 0x040600
QWebElement document = page->mainFrame()->documentElement();
QWebElementCollection elements = document.findAll(selectorQuery);
#if defined(ADBLOCKPAGE_DEBUG)
if (elements.count() != 0) {
qDebug() << "AdBlockPage::" << __FUNCTION__ << "blocking" << elements.count() << "items" << selectorQuery << elements.count() << "rule:" << rule->filter();
}
#endif
foreach(QWebElement element, elements) {
element.setStyleProperty(QLatin1String("visibility"), QLatin1String("hidden"));
element.removeFromDocument();
}
#endif
}
void AdBlockPage::applyRulesToPage(QWebPage* page)
{
if (!page || !page->mainFrame()) {
return;
}
AdBlockManager* manager = AdBlockManager::instance();
if (!manager->isEnabled()) {
return;
}
#if QT_VERSION >= 0x040600
QString host = page->mainFrame()->url().host();
AdBlockSubscription* subscription = manager->subscription();
QList<const AdBlockRule*> rules = subscription->pageRules();
foreach(const AdBlockRule * rule, rules) {
checkRule(rule, page, host);
}
#endif
}