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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010-2012 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 "adblocksettingwidget.h"
#include "adblocksettingwidget.moc"
// Auto Includes
#include "rekonq.h"
// KDE Includes
#include <KSharedConfig>
#include <KStandardDirs>
#include <KIcon>
// Qt Includes
#include <QString>
#include <QWhatsThis>
#include <QListWidgetItem>
AdBlockSettingWidget::AdBlockSettingWidget(KSharedConfig::Ptr config, QWidget *parent)
: QWidget(parent)
, _changed(false)
, _adblockConfig(config)
{
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(QString)), this, SLOT(slotInfoLinkActivated(QString)));
manualFiltersListWidget->setSortingEnabled(true);
manualFiltersListWidget->setSelectionMode(QAbstractItemView::SingleSelection);
searchLine->setListWidget(manualFiltersListWidget);
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();
spinBox->setSuffix(ki18np(" day", " days"));
// 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()));
connect(automaticFiltersListWidget, SIGNAL(itemChanged(QListWidgetItem *)), this, SLOT(hasChanged()));
}
void AdBlockSettingWidget::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 AdBlockSettingWidget::insertRule()
{
QString rule = addFilterLineEdit->text();
if (rule.isEmpty())
return;
manualFiltersListWidget->addItem(rule);
addFilterLineEdit->clear();
}
void AdBlockSettingWidget::removeRule()
{
manualFiltersListWidget->takeItem(manualFiltersListWidget->currentRow());
}
void AdBlockSettingWidget::load()
{
// General settings
KConfigGroup settingsGroup(_adblockConfig, "Settings");
const bool isAdBlockEnabled = settingsGroup.readEntry("adBlockEnabled", false);
checkEnableAdblock->setChecked(isAdBlockEnabled);
// update enabled status
checkHideAds->setEnabled(isAdBlockEnabled);
tabWidget->setEnabled(isAdBlockEnabled);
const bool areImageFiltered = settingsGroup.readEntry("hideAdsEnabled", false);
checkHideAds->setChecked(areImageFiltered);
const int days = settingsGroup.readEntry("updateInterval", 7);
spinBox->setValue(days);
// ------------------------------------------------------------------------------
// automatic filters
KConfigGroup autoFiltersGroup(_adblockConfig, "FiltersList");
int i = 1;
QString n = QString::number(i);
while (autoFiltersGroup.hasKey("FilterName-" + n))
{
bool filterEnabled = autoFiltersGroup.readEntry("FilterEnabled-" + n, false);
QString filterName = autoFiltersGroup.readEntry("FilterName-" + n, QString());
QListWidgetItem *subItem = new QListWidgetItem(automaticFiltersListWidget);
subItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsUserCheckable);
if (filterEnabled)
subItem->setCheckState(Qt::Checked);
else
subItem->setCheckState(Qt::Unchecked);
subItem->setText(filterName);
i++;
n = QString::number(i);
}
// ------------------------------------------------------------------------------
// local filters
QString localRulesFilePath = KStandardDirs::locateLocal("appdata" , QL1S("adblockrules_local"));
QFile ruleFile(localRulesFilePath);
if (!ruleFile.open(QFile::ReadOnly | QFile::Text))
{
kDebug() << "Unable to open rule file" << localRulesFilePath;
return;
}
QTextStream in(&ruleFile);
while (!in.atEnd())
{
QString stringRule = in.readLine();
QListWidgetItem *subItem = new QListWidgetItem(manualFiltersListWidget);
subItem->setText(stringRule);
}
}
void AdBlockSettingWidget::save()
{
if (!_changed)
return;
// General settings
KConfigGroup settingsGroup(_adblockConfig, "Settings");
settingsGroup.writeEntry("adBlockEnabled", checkEnableAdblock->isChecked());
settingsGroup.writeEntry("hideAdsEnabled", checkHideAds->isChecked());
settingsGroup.writeEntry("updateInterval", spinBox->value());
// automatic filters
KConfigGroup autoFiltersGroup(_adblockConfig, "FiltersList");
for (int i = 0; i < automaticFiltersListWidget->count(); i++)
{
QListWidgetItem *subItem = automaticFiltersListWidget->item(i);
bool active = true;
if (subItem->checkState() == Qt::Unchecked)
active = false;
QString n = QString::number(i + 1);
autoFiltersGroup.writeEntry("FilterEnabled-" + n, active);
}
// local filters
QString localRulesFilePath = KStandardDirs::locateLocal("appdata" , QL1S("adblockrules_local"));
QFile ruleFile(localRulesFilePath);
if (!ruleFile.open(QFile::WriteOnly | QFile::Text))
{
kDebug() << "Unable to open rule file" << localRulesFilePath;
return;
}
QTextStream out(&ruleFile);
for (int i = 0; i < manualFiltersListWidget->count(); i++)
{
QListWidgetItem *subItem = manualFiltersListWidget->item(i);
QString stringRule = subItem->text();
out << stringRule << '\n';
}
// -------------------------------------------------------------------------------
_changed = false;
emit changed(false);
}
void AdBlockSettingWidget::hasChanged()
{
// update enabled status
checkHideAds->setEnabled(checkEnableAdblock->isChecked());
tabWidget->setEnabled(checkEnableAdblock->isChecked());
_changed = true;
emit changed(true);
}
bool AdBlockSettingWidget::changed()
{
return _changed;
}
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