2011-03-03 18:29:20 +01:00
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/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2011 nowrep
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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2011-03-02 16:57:41 +01:00
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#include "rssmanager.h"
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#include "ui_rssmanager.h"
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#include "qupzilla.h"
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#include "tabwidget.h"
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#include "mainapplication.h"
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#include "treewidget.h"
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2011-04-25 20:56:45 +02:00
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#include "iconprovider.h"
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2011-07-30 17:57:14 +02:00
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#include "browsinglibrary.h"
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2011-03-02 16:57:41 +01:00
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2011-03-17 17:03:04 +01:00
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RSSManager::RSSManager(QupZilla* mainClass, QWidget* parent) :
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2011-03-02 16:57:41 +01:00
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QWidget(parent)
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,ui(new Ui::RSSManager)
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,p_QupZilla(mainClass)
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{
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ui->setupUi(this);
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// CENTER on scren
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const QRect screen = QApplication::desktop()->screenGeometry();
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const QRect &size = geometry();
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QWidget::move( (screen.width()-size.width())/2, (screen.height()-size.height())/2 );
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ui->tabWidget->setElideMode(Qt::ElideRight);
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m_networkManager = new QNetworkAccessManager();
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connect(ui->reload, SIGNAL(clicked()), this, SLOT(reloadFeed()));
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connect(ui->deletebutton, SIGNAL(clicked()), this, SLOT(deleteFeed()));
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connect(ui->edit, SIGNAL(clicked()), this, SLOT(editFeed()));
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2011-07-30 17:57:14 +02:00
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connect(ui->optimizeDb, SIGNAL(clicked(QPoint)), this, SLOT(optimizeDb()));
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2011-03-02 16:57:41 +01:00
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}
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QupZilla* RSSManager::getQupZilla()
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{
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if (!p_QupZilla)
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2011-03-04 13:59:07 +01:00
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p_QupZilla = mApp->getWindow();
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2011-03-02 16:57:41 +01:00
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return p_QupZilla;
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}
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2011-03-17 17:03:04 +01:00
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void RSSManager::setMainWindow(QupZilla* window)
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2011-03-02 16:57:41 +01:00
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{
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if (window)
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p_QupZilla = window;
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}
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void RSSManager::refreshTable()
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{
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QSqlQuery query;
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ui->tabWidget->clear();
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2011-07-30 17:57:14 +02:00
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query.exec("SELECT address, title, icon FROM rss");
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2011-03-02 16:57:41 +01:00
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int i = 0;
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while (query.next()) {
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QUrl address = query.value(0).toUrl();
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QString title = query.value(1).toString();
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2011-07-30 17:57:14 +02:00
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QIcon icon = IconProvider::iconFromBase64(query.value(2).toByteArray());
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2011-03-02 16:57:41 +01:00
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TreeWidget* tree = new TreeWidget();
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tree->setHeaderLabel(tr("News"));
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tree->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(tree, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(customContextMenuRequested(const QPoint &)));
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ui->tabWidget->addTab(tree, title);
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ui->tabWidget->setTabToolTip(i, address.toString());
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connect(tree, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)), this, SLOT(loadFeed(QTreeWidgetItem*)));
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connect(tree, SIGNAL(itemControlClicked(QTreeWidgetItem*)), this, SLOT(controlLoadFeed(QTreeWidgetItem*)));
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QTreeWidgetItem* item = new QTreeWidgetItem();
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item->setText(0, tr("Loading..."));
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tree->addTopLevelItem(item);
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ui->tabWidget->setTabIcon(i, icon );
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beginToLoadSlot(address);
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i++;
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}
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if (i > 0) {
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ui->deletebutton->setEnabled(true);
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ui->reload->setEnabled(true);
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ui->edit->setEnabled(true);
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2011-07-29 15:39:43 +02:00
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} else {
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ui->deletebutton->setEnabled(false);
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ui->reload->setEnabled(false);
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ui->edit->setEnabled(false);
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QFrame *frame = new QFrame();
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frame->setStyleSheet("background: white;");
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QVBoxLayout *verticalLayout = new QVBoxLayout(frame);
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QLabel *label_2 = new QLabel(frame);
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label_2->setPixmap(QPixmap(":/icons/menu/rss.png"));
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label_2->setAlignment(Qt::AlignBottom|Qt::AlignHCenter);
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verticalLayout->addWidget(label_2);
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QLabel *label = new QLabel(frame);
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label->setAlignment(Qt::AlignHCenter|Qt::AlignTop);
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label->setText(tr("You don't have any RSS Feeds.<br/>\nPlease add some with RSS icon in navigation bar on site which offers feeds."));
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verticalLayout->addWidget(label);
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ui->tabWidget->addTab(frame, tr("Empty"));
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2011-03-02 16:57:41 +01:00
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}
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}
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void RSSManager::reloadFeed()
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{
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TreeWidget* treeWidget = qobject_cast<TreeWidget*>(ui->tabWidget->widget(ui->tabWidget->currentIndex()));
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if (!treeWidget)
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return;
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treeWidget->clear();
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QTreeWidgetItem* item = new QTreeWidgetItem();
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item->setText(0, tr("Loading..."));
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treeWidget->addTopLevelItem(item);
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beginToLoadSlot( QUrl(ui->tabWidget->tabToolTip(ui->tabWidget->currentIndex())) );
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}
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void RSSManager::deleteFeed()
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{
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QString url = ui->tabWidget->tabToolTip(ui->tabWidget->currentIndex());
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if (url.isEmpty())
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return;
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QSqlQuery query;
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query.exec("DELETE FROM rss WHERE address='"+url+"'");
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ui->tabWidget->removeTab(ui->tabWidget->currentIndex());
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2011-07-29 15:39:43 +02:00
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if (ui->tabWidget->count() == 0)
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2011-03-02 16:57:41 +01:00
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refreshTable();
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}
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void RSSManager::editFeed()
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{
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QString url = ui->tabWidget->tabToolTip(ui->tabWidget->currentIndex());
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if (url.isEmpty())
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return;
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QDialog* dialog = new QDialog(this);
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QFormLayout* layout = new QFormLayout(dialog);
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QLabel* label = new QLabel(dialog);
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QLineEdit* editUrl = new QLineEdit(dialog);
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QLineEdit* editTitle = new QLineEdit(dialog);
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QDialogButtonBox* box = new QDialogButtonBox(dialog);
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box->addButton(QDialogButtonBox::Ok);
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box->addButton(QDialogButtonBox::Cancel);
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connect(box, SIGNAL(rejected()), dialog, SLOT(reject()));
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connect(box, SIGNAL(accepted()), dialog, SLOT(accept()));
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label->setText(tr("Fill title and URL of a feed: "));
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layout->addRow(label);
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layout->addRow(new QLabel(tr("Feed title: ")), editTitle);
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layout->addRow(new QLabel(tr("Feed URL: ")), editUrl);
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layout->addRow(box);
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editUrl->setText( ui->tabWidget->tabToolTip(ui->tabWidget->currentIndex()) );
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editTitle->setText( ui->tabWidget->tabText(ui->tabWidget->currentIndex()) );
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dialog->setWindowTitle(tr("Edit RSS Feed"));
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dialog->setMinimumSize(400, 100);
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dialog->exec();
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if (dialog->result() == QDialog::Rejected)
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return;
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QString address = editUrl->text();
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QString title = editTitle->text();
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if (address.isEmpty() || title.isEmpty())
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return;
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QSqlQuery query;
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query.prepare("UPDATE rss SET address=?, title=? WHERE address=?");
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query.bindValue(0, address);
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query.bindValue(1, title);
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query.bindValue(2, url);
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query.exec();
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refreshTable();
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}
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void RSSManager::customContextMenuRequested(const QPoint &position)
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{
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TreeWidget* treeWidget = qobject_cast<TreeWidget*>(ui->tabWidget->widget(ui->tabWidget->currentIndex()));
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if (!treeWidget)
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return;
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if (!treeWidget->itemAt(position))
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return;
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QString link = treeWidget->itemAt(position)->toolTip(0);
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if (link.isEmpty())
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return;
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QMenu menu;
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menu.addAction(tr("Open link in actual tab"), getQupZilla(), SLOT(loadActionUrl()))->setData(link);
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menu.addAction(tr("Open link in new tab"), this, SLOT(loadFeedInNewTab()))->setData(link);
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//Prevent choosing first option with double rightclick
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QPoint pos = QCursor::pos();
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QPoint p(pos.x(), pos.y()+1);
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menu.exec(p);
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}
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2011-03-17 17:03:04 +01:00
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void RSSManager::loadFeed(QTreeWidgetItem* item)
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2011-03-02 16:57:41 +01:00
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{
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if (!item)
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return;
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if (item->whatsThis(0).isEmpty())
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return;
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getQupZilla()->loadAddress(QUrl(item->whatsThis(0)));
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}
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2011-03-17 17:03:04 +01:00
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void RSSManager::controlLoadFeed(QTreeWidgetItem* item)
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2011-03-02 16:57:41 +01:00
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{
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if (!item)
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return;
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if (item->whatsThis(0).isEmpty())
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return;
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getQupZilla()->tabWidget()->addView(QUrl(item->whatsThis(0)), tr("New Tab"), TabWidget::NewNotSelectedTab);
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}
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void RSSManager::loadFeedInNewTab()
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{
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2011-03-17 17:03:04 +01:00
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if (QAction* action = qobject_cast<QAction*>(sender()))
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2011-03-02 16:57:41 +01:00
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getQupZilla()->tabWidget()->addView(action->data().toUrl(), tr("New Tab"), TabWidget::NewNotSelectedTab);
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}
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void RSSManager::beginToLoadSlot(const QUrl &url)
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{
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2011-07-11 20:30:49 +02:00
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m_networkManager->get(QNetworkRequest(QUrl(url)));
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2011-03-02 16:57:41 +01:00
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2011-03-17 17:03:04 +01:00
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connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
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2011-03-02 16:57:41 +01:00
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}
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2011-03-17 17:03:04 +01:00
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void RSSManager::finished(QNetworkReply* reply)
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2011-03-02 16:57:41 +01:00
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{
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if (m_networkReplies.contains(reply))
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return;
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QString currentTag;
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QString linkString;
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QString titleString;
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QXmlStreamReader xml;
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xml.addData(reply->readAll());
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int tabIndex = -1;
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for (int i=0; i<ui->tabWidget->count(); i++) {
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QString replyUrl = reply->url().toString();
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if (replyUrl == ui->tabWidget->tabToolTip(i)) {
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tabIndex = i;
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break;
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}
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}
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if (tabIndex == -1)
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return;
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TreeWidget* treeWidget = qobject_cast<TreeWidget*>(ui->tabWidget->widget(tabIndex));
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if (!treeWidget)
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return;
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treeWidget->clear();
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while (!xml.atEnd()) {
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xml.readNext();
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if (xml.isStartElement()) {
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if (xml.name() == "item")
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linkString = xml.attributes().value("rss:about").toString();
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currentTag = xml.name().toString();
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} else if (xml.isEndElement()) {
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if (xml.name() == "item") {
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2011-03-17 17:03:04 +01:00
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QTreeWidgetItem* item = new QTreeWidgetItem;
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2011-03-02 16:57:41 +01:00
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item->setText(0, titleString);
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item->setWhatsThis(0, linkString);
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item->setIcon(0, QIcon(":/icons/other/feed.png"));
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item->setToolTip(0, linkString);
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treeWidget->addTopLevelItem(item);
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titleString.clear();
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linkString.clear();
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}
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} else if (xml.isCharacters() && !xml.isWhitespace()) {
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if (currentTag == "title")
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titleString = xml.text().toString();
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else if (currentTag == "link")
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linkString += xml.text().toString();
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}
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}
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if (treeWidget->topLevelItemCount() == 0) {
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2011-03-17 17:03:04 +01:00
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QTreeWidgetItem* item = new QTreeWidgetItem;
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2011-03-02 16:57:41 +01:00
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item->setText(0, tr("Error in fetching feed"));
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treeWidget->addTopLevelItem(item);
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}
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m_networkReplies.append(reply);
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}
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2011-07-30 17:57:14 +02:00
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bool RSSManager::addRssFeed(const QString &address, const QString &title, const QIcon &icon)
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2011-03-02 16:57:41 +01:00
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{
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if (address.isEmpty())
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return false;
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QSqlQuery query;
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query.exec("SELECT id FROM rss WHERE address='"+address+"'");
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if (!query.next()) {
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2011-07-30 17:57:14 +02:00
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QByteArray iconData;
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if (icon.pixmap(16,16).toImage() == QWebSettings::webGraphic(QWebSettings::DefaultFrameIconGraphic).toImage())
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iconData = IconProvider::iconToBase64(QIcon(":icons/other/feed.png"));
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else
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iconData = IconProvider::iconToBase64(icon);
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query.prepare("INSERT INTO rss (address, title, icon) VALUES(?,?,?)");
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2011-03-02 16:57:41 +01:00
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query.bindValue(0, address);
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query.bindValue(1, title);
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2011-07-30 17:57:14 +02:00
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query.bindValue(2, iconData);
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2011-03-02 16:57:41 +01:00
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query.exec();
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return true;
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}
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2011-03-03 15:24:23 +01:00
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QMessageBox::warning(getQupZilla(), tr("RSS feed duplicated"), tr("You already have this feed."));
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2011-03-02 16:57:41 +01:00
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return false;
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}
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2011-07-30 17:57:14 +02:00
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void RSSManager::optimizeDb()
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{
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BrowsingLibrary* b = (BrowsingLibrary*) parentWidget();
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if (!b)
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return;
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b->optimizeDatabase();
|
|
|
|
}
|
|
|
|
|
2011-03-02 16:57:41 +01:00
|
|
|
RSSManager::~RSSManager()
|
|
|
|
{
|
|
|
|
delete ui;
|
|
|
|
}
|