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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010 by Andrea Diamantini <adjam7 at gmail dot com>
*
*
* 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 "adblockwidget.h"
#include "adblockwidget.moc"
// Auto Includes
#include "rekonq.h"
// KDE Includes
#include <KSharedConfig>
#include <KIcon>
#include <KDebug>
// Qt Includes
#include <QString>
#include <QWhatsThis>
#include <QListWidgetItem>
AdBlockWidget::AdBlockWidget(QWidget *parent)
: QWidget(parent)
, _changed(false)
{
setupUi(this);
hintLabel->setText(i18n("<qt>Filter expression (e.g. <tt>http://www.example.com/ad/*</tt>, <a href=\"filterhelp\">more information</a>):"));
connect(hintLabel, SIGNAL(linkActivated(const QString &)), this, SLOT(slotInfoLinkActivated(const QString &)));
listWidget->setSortingEnabled(true);
listWidget->setSelectionMode(QAbstractItemView::SingleSelection);
searchLine->setListWidget(listWidget);
insertButton->setIcon(KIcon("list-add"));
connect(insertButton, SIGNAL(clicked()), this, SLOT(insertRule()));
removeButton->setIcon(KIcon("list-remove"));
connect(removeButton, SIGNAL(clicked()), this, SLOT(removeRule()));
load();
// emit changed signal
connect(insertButton, SIGNAL(clicked()), this, SLOT(hasChanged()));
connect(removeButton, SIGNAL(clicked()), this, SLOT(hasChanged()));
connect(checkEnableAdblock, SIGNAL(stateChanged(int)), this, SLOT(hasChanged()));
connect(checkHideAds, SIGNAL(stateChanged(int)), this, SLOT(hasChanged()));
connect(spinBox, SIGNAL(valueChanged(int)), this, SLOT(hasChanged()));
}
void AdBlockWidget::slotInfoLinkActivated(const QString &url)
{
Q_UNUSED(url)
QString hintHelpString = i18n("<qt><p>Enter an expression to filter. Filters can be defined as either:"
"<ul><li>a shell-style wildcard, e.g. <tt>http://www.example.com/ads*</tt>, the wildcards <tt>*?[]</tt> may be used</li>"
"<li>a full regular expression by surrounding the string with '<tt>/</tt>', e.g. <tt>/\\/(ad|banner)\\./</tt></li></ul>"
"<p>Any filter string can be preceded by '<tt>@@</tt>' to whitelist (allow) any matching URL, "
"which takes priority over any blacklist (blocking) filter.");
QWhatsThis::showText(QCursor::pos(), hintHelpString);
}
void AdBlockWidget::insertRule()
{
QString rule = addFilterLineEdit->text();
if (rule.isEmpty())
return;
listWidget->addItem(rule);
addFilterLineEdit->clear();
}
void AdBlockWidget::removeRule()
{
listWidget->takeItem(listWidget->currentRow());
}
void AdBlockWidget::load()
{
bool isAdBlockEnabled = ReKonfig::adBlockEnabled();
checkEnableAdblock->setChecked(isAdBlockEnabled);
bool areImageFiltered = ReKonfig::hideAdsEnabled();
checkHideAds->setChecked(areImageFiltered);
int days = ReKonfig::updateInterval();
spinBox->setValue(days);
QStringList subscriptions = ReKonfig::subscriptionTitles();
// load automatic rules
foreach(QString sub, subscriptions)
{
QTreeWidgetItem *subItem = new QTreeWidgetItem(treeWidget);
subItem->setText(0, sub);
loadRules(subItem);
}
// load local rules
KSharedConfig::Ptr config = KGlobal::config();
KConfigGroup localGroup(config, "rules");
QStringList rules = localGroup.readEntry("local-rules" , QStringList());
foreach(const QString &rule, rules)
{
listWidget->addItem(rule);
}
}
void AdBlockWidget::loadRules(QTreeWidgetItem *item)
{
KSharedConfig::Ptr config = KGlobal::config();
KConfigGroup localGroup(config, "rules");
QString str = item->text(0) + "-rules";
QStringList rules = localGroup.readEntry(str , QStringList());
foreach(const QString &rule, rules)
{
QTreeWidgetItem *subItem = new QTreeWidgetItem(item);
subItem->setText(0, rule);
}
}
void AdBlockWidget::save()
{
int n;
// local rules
KSharedConfig::Ptr config = KGlobal::config();
KConfigGroup localGroup(config , "rules");
QStringList localRules;
n = listWidget->count();
for (int i = 0; i < n; ++i)
{
QListWidgetItem *item = listWidget->item(i);
localRules << item->text();
}
localGroup.writeEntry("local-rules" , localRules);
ReKonfig::setAdBlockEnabled(checkEnableAdblock->isChecked());
ReKonfig::setHideAdsEnabled(checkHideAds->isChecked());
ReKonfig::setUpdateInterval(spinBox->value());
_changed = false;
emit changed(false);
}
void AdBlockWidget::hasChanged()
{
_changed = true;
emit changed(true);
}
bool AdBlockWidget::changed()
{
return _changed;
}
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