2015-01-15 17:07:43 +00:00
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/*
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* Copyright (C) 2007, 2008 Petri Damsten <damu@iki.fi>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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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#include "news.h"
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#include <QGraphicsSceneDragDropEvent>
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#include <QFile>
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#include <QColor>
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#include <QDomDocument>
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#include <QGraphicsLinearLayout>
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#include <QWebFrame>
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#include <QWebPage>
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#include <QFileInfo>
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#include <KConfigDialog>
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#include <KColorScheme>
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#include <KDebug>
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#include <KStandardDirs>
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#include <KRun>
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#include <Plasma/Containment>
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#include <Plasma/Theme>
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#include <Plasma/WebView>
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static const char *BEGIN =
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
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"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
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"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
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"<head>\n"
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" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"
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" <link rel=\"stylesheet\" type=\"text/css\" href=\"news.css\" />\n"
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" <title>Plasma News</title>\n"
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"</head>\n"
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"<body>\n";
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static const char *BEGIN_TABLE = "<table>\n";
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static const char *HEADER_LINE = "<tr class=\"header_line\">"
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"<td colspan=\"2\" class=\"header\"><a href=\"%1\">%2</a></td></tr>\n";
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static const char *DATE_LINE = "<tr class=\"date_line\"><td colspan=\"2\" class=\"date\">%1</td></tr>\n";
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static const char *LINE = "<tr class=\"line-%1\">"
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"<td colspan=\"2\" class=\"text\"><a href=\"%2\">%3</a></td></tr>\n";
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static const char *TIME_LINE = "<tr class=\"line-%1\"><td class=\"time\">%2</td>"
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"<td class=\"text\"><a href=\"%3\">%4</a></td></tr>\n";
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static const char *TITLE = "<span class=\"title\">%1</span>";
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static const char *TITLE_DESC = "<span class=\"title_with_description\">%1</span><br/>";
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static const char *DESCRIPTION = "<span class=\"description\">%1</span>";
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static const char *END_TABLE = "</table>\n";
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static const char *END = "</body>\n</html>\n";
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static const char *CSS =
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".header { font-size:11pt; font-weight:bold; color:%1; background-color:%2; }\n"
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".date { font-size:10pt; font-weight:bold; color:%1; background-color:%2; }\n"
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".line-0 { font-size:10pt; color:%1; background-color:%3; }\n"
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".line-1 { font-size:10pt; color:%1; background-color:%4; }\n"
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".time, .title, .description { }\n"
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".text { width:100%; }\n"
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".title_with_description { font-weight:bold; }\n"
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"a { text-decoration:none; color:%1 }\n"
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"table { width:100%; border-spacing:0px; }\n"
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"td { vertical-align: top; }\n"
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"body { margin:0px; background:none }\n";
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News::News(QObject *parent, const QVariantList &args)
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: Plasma::PopupApplet(parent, args),
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m_graphicsWidget(0)
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{
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setHasConfigurationInterface(true);
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setAspectRatioMode(Plasma::IgnoreAspectRatio);
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setPopupIcon("application-rss+xml");
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setAssociatedApplication("akregator");
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resize(300,300);
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}
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News::~News()
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{
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}
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QGraphicsWidget *News::graphicsWidget()
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{
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if (m_graphicsWidget) {
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return m_graphicsWidget;
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}
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m_layout = new QGraphicsLinearLayout();
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m_layout->setContentsMargins(0, 0, 0, 0);
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m_layout->setSpacing(0);
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m_layout->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
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m_news = new Plasma::WebView(this);
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m_news->setDragToScroll(true);
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m_news->installEventFilter(this);
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m_news->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred));
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connect(m_news->page(), SIGNAL(linkClicked(QUrl)),
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this, SLOT(linkActivated(QUrl)));
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m_news->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
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m_layout->addItem(m_news);
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setAcceptDrops(true);
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makeStylesheet();
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connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(makeStylesheet()));
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m_graphicsWidget = new QGraphicsWidget(this);
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m_graphicsWidget->setLayout(m_layout);
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m_graphicsWidget->setPreferredSize(370,440);
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//a tiny minimum size, a panel 48px high is enough to display the whole applet
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m_graphicsWidget->setMinimumSize(150, 150);
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QPalette palette = m_graphicsWidget->palette();
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palette.setBrush(QPalette::Base, Qt::transparent);
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m_graphicsWidget->setPalette(palette);
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configChanged();
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return m_graphicsWidget;
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}
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void News::configChanged()
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{
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kDebug();
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KConfigGroup cg = config();
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m_interval = cg.readEntry("interval", 30);
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m_showTimestamps = cg.readEntry("showTimestamps", true);
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m_showTitles = cg.readEntry("showTitles", true);
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m_showDescriptions = cg.readEntry("showDescriptions", false);
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m_feeds = cg.readEntry("feeds", QStringList("http://www.kde.org/dotkdeorg.rdf"));
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connectToEngine();
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}
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void News::connectToEngine()
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{
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if (!m_feeds.isEmpty()) {
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Plasma::DataEngine* engine = dataEngine("rss");
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if( engine) {
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QString feedstring;
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foreach (const QString& feed, m_feeds) {
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QByteArray ba = QUrl::toPercentEncoding(feed, ":/&?=");
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feedstring.append(ba);
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feedstring.append(" ");
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}
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m_feedstring = feedstring;
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kDebug() << feedstring;
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engine->connectSource(feedstring, this, m_interval * 60 * 1000);
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}
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else
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kDebug()<<"Can not connect to dataengine rss";
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}
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}
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void News::makeStylesheet()
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{
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const QString search = "desktoptheme/" + Plasma::Theme::defaultTheme()->themeName() +
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"/stylesheets/news.css";
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const QString path = KStandardDirs::locate("data", search);
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if (path.isEmpty()) {
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QColor backgroundColor =
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Plasma::Theme::defaultTheme()->color(Plasma::Theme::BackgroundColor);
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QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor);
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QColor altBackgroundColor = backgroundColor;
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altBackgroundColor.setHsv(altBackgroundColor.hue(), altBackgroundColor.saturation(),
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(altBackgroundColor.value() < 128)
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? backgroundColor.value() + 40 : backgroundColor.value() - 40,
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altBackgroundColor.alpha());
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QString css = QString(CSS).arg(textColor.name())
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.arg(QString("rgba(%1, %2, %3, 0.45)").arg(backgroundColor.red()).arg( backgroundColor.green()).arg( backgroundColor.blue()))
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.arg(QString("rgba(%1, %2, %3, 0.25)").arg(backgroundColor.red()).arg( backgroundColor.green()).arg( backgroundColor.blue()))
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.arg(QString("rgba(%1, %2, %3, 0.25)").arg(altBackgroundColor.red()).arg( altBackgroundColor.green()).arg( altBackgroundColor.blue()));
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KStandardDirs dirs;
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m_cssDir = dirs.saveLocation("data", "plasma_applet_news");
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QFile file(m_cssDir + "/news.css");
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if (file.open(QIODevice::WriteOnly)) {
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file.write(css.toUtf8());
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}
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} else {
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m_cssDir = QFileInfo(path).absolutePath() + '/';
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}
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QWebFrame* frame = m_news->mainFrame();
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if (frame) {
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frame->setHtml(frame->toHtml(), m_cssDir);
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}
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}
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QMap<QString, QString> News::akregatorFeeds()
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{
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QMap<QString, QString> result;
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const QString file = KStandardDirs::locate("data", "akregator/data/feeds.opml");
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if (!file.isEmpty()) {
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QFile f(file);
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if (f.open(QIODevice::ReadOnly)) {
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QDomDocument doc;
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if (doc.setContent(&f)) {
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QDomNodeList nodes = doc.elementsByTagName("outline");
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for (int i = 0; i < nodes.count(); ++i) {
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QDomElement element = nodes.item(i).toElement();
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QString title = element.attribute("title");
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if (!title.isEmpty()) {
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result[title] = element.attribute("xmlUrl");
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}
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}
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}
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f.close();
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}
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}
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return result;
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}
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void News::createConfigurationInterface(KConfigDialog *parent)
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{
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QWidget *widget = new QWidget();
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ui.setupUi(widget);
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QWidget *fWidget = new QWidget(0);
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feedsUi.setupUi(fWidget);
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parent->addPage(widget, i18n("General"), icon());
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parent->addPage(fWidget, i18n("Feeds"), "application-rss+xml");
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connect(feedsUi.feedComboBox, SIGNAL(editTextChanged(QString)),
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this, SLOT(feedTextChanged(QString)));
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connect(parent, SIGNAL(accepted()), this, SLOT(configAccepted()));
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connect(feedsUi.addFeed, SIGNAL(clicked()), this, SLOT(addFeed()));
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connect(feedsUi.removeFeed, SIGNAL(clicked()), this, SLOT(removeFeed()));
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m_defaultFeeds = akregatorFeeds();
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feedsUi.feedComboBox->clear();
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feedTextChanged(QString());
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feedsUi.feedList->clear();
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foreach (const QString& name, m_defaultFeeds.keys()) {
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feedsUi.feedComboBox->addItem(name);
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}
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ui.intervalSpinBox->setValue(m_interval);
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ui.intervalSpinBox->setSuffix(ki18np(" minute", " minutes"));
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ui.timestampCheckBox->setChecked(m_showTimestamps);
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ui.titlesCheckBox->setChecked(m_showTitles);
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ui.descriptionsCheckBox->setChecked(m_showDescriptions);
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feedsUi.feedList->addItems(m_feeds);
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connect(parent, SIGNAL(applyClicked()), this, SLOT(configAccepted()));
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connect(parent, SIGNAL(okClicked()), this, SLOT(configAccepted()));
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connect(ui.intervalSpinBox, SIGNAL(valueChanged(int)), parent, SLOT(settingsModified()));
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connect(ui.timestampCheckBox, SIGNAL(toggled(bool)), parent, SLOT(settingsModified()));
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connect(ui.titlesCheckBox, SIGNAL(toggled(bool)), parent, SLOT(settingsModified()));
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connect(ui.descriptionsCheckBox, SIGNAL(toggled(bool)), parent, SLOT(settingsModified()));
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connect(feedsUi.feedComboBox, SIGNAL(editTextChanged(QString)), parent, SLOT(settingsModified()));
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connect(feedsUi.addFeed, SIGNAL(released()), parent, SLOT(settingsModified()));
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connect(feedsUi.removeFeed, SIGNAL(released()), parent, SLOT(settingsModified()));
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connect(feedsUi.feedList, SIGNAL(itemSelectionChanged()), parent, SLOT(settingsModified()));
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}
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void News::feedTextChanged(const QString& text)
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{
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feedsUi.addFeed->setEnabled(!text.isEmpty());
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}
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void News::addFeed()
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{
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if (!feedsUi.feedComboBox->currentText().isEmpty()) {
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QString url = feedsUi.feedComboBox->currentText();
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if (m_defaultFeeds.keys().contains(url)) {
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url = m_defaultFeeds[url];
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}
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bool found = false;
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for (int i = 0; i < feedsUi.feedList->count(); i++) {
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QString feed = feedsUi.feedList->item(i)->text();
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if (feed == url) {
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found = true;
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}
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}
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if (!found) {
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feedsUi.feedList->addItem(url);
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}
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feedsUi.removeFeed->setEnabled(true);
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}
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}
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void News::removeFeed()
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{
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int row = feedsUi.feedList->currentRow();
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if (row != -1) {
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feedsUi.feedList->takeItem(row);
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if (feedsUi.feedList->count() == 0) {
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feedsUi.removeFeed->setEnabled(false);
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}
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}
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}
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void News::configAccepted()
|
|
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{
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m_interval = ui.intervalSpinBox->value();
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m_showTimestamps = ui.timestampCheckBox->isChecked();
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m_showTitles = ui.titlesCheckBox->isChecked();
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m_showDescriptions = ui.descriptionsCheckBox->isChecked();
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m_feeds.clear();
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QString feed;
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for (int i = 0; i < feedsUi.feedList->count(); i++) {
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feed = feedsUi.feedList->item(i)->text();
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if (m_defaultFeeds.keys().contains(feed)) {
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feed = m_defaultFeeds[feed];
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}
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m_feeds.append(feed);
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}
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KConfigGroup cg = config();
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cg.writeEntry("feeds", m_feeds);
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cg.writeEntry("interval", m_interval);
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cg.writeEntry("showTimestamps", m_showTimestamps);
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cg.writeEntry("showTitles", m_showTitles);
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cg.writeEntry("showDescriptions", m_showDescriptions);
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dataUpdated(m_feedstring, m_dataCache);
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}
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void News::dropEvent(QGraphicsSceneDragDropEvent *event)
|
|
|
|
|
{
|
|
|
|
|
if (KUrl::List::canDecode(event->mimeData())) {
|
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|
KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
|
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|
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|
|
if (!urls.isEmpty()) {
|
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|
event->accept();
|
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|
m_feeds.clear();
|
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|
|
|
foreach (const KUrl &feed, urls) {
|
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|
m_feeds << feed.prettyUrl();
|
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|
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|
}
|
|
|
|
|
m_interval = 30;
|
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|
|
connectToEngine();
|
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|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool News::eventFilter(QObject *receiver, QEvent *event)
|
|
|
|
|
{
|
|
|
|
|
if (receiver == m_news && event->type() == QEvent::GraphicsSceneContextMenu) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void News::dataUpdated(const QString& source, const Plasma::DataEngine::Data &data)
|
|
|
|
|
{
|
|
|
|
|
if (source == m_feedstring && !data.isEmpty()) {
|
|
|
|
|
m_dataCache = data;
|
|
|
|
|
QDateTime previous = QDateTime::currentDateTime();
|
|
|
|
|
QString html;
|
|
|
|
|
QVariantList items = data["items"].toList();
|
|
|
|
|
uint columns = 1;
|
|
|
|
|
uint i = 0;
|
|
|
|
|
|
|
|
|
|
html += BEGIN;
|
|
|
|
|
html += BEGIN_TABLE;
|
|
|
|
|
html += QString(HEADER_LINE).arg(data["link"].toString())
|
|
|
|
|
.arg(data["title"].toString());
|
|
|
|
|
|
|
|
|
|
foreach (const QVariant &tmp, items) {
|
|
|
|
|
QMap<QString, QVariant> item = tmp.toMap();
|
|
|
|
|
if (item["time"].toUInt() != 0) {
|
|
|
|
|
columns = 2;
|
|
|
|
|
} else {
|
|
|
|
|
columns = 1;
|
|
|
|
|
}
|
|
|
|
|
uint timeStamp = item["time"].toUInt();
|
|
|
|
|
QString title = item["title"].toString();
|
|
|
|
|
QString description = item["description"].toString().remove(QRegExp("<[^>]*>"));
|
|
|
|
|
QString line;
|
|
|
|
|
|
|
|
|
|
if (title != 0 && m_showTitles) {
|
|
|
|
|
if (description != 0 && m_showDescriptions) {
|
|
|
|
|
line += QString(TITLE_DESC).arg(title);
|
|
|
|
|
} else {
|
|
|
|
|
line += QString(TITLE).arg(title);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (description != 0 && m_showDescriptions) {
|
|
|
|
|
line += QString(DESCRIPTION).arg(description);
|
|
|
|
|
}
|
|
|
|
|
if (timeStamp != 0 && m_showTimestamps) {
|
|
|
|
|
QDateTime time;
|
|
|
|
|
time.setTime_t(timeStamp);
|
|
|
|
|
if (previous.date() != time.date()) {
|
|
|
|
|
html += QString(DATE_LINE).arg(time.date().toString());
|
|
|
|
|
i = 0;
|
|
|
|
|
}
|
|
|
|
|
html += QString(TIME_LINE).arg(i % 2)
|
|
|
|
|
.arg(time.time().toString("HH:mm"))
|
|
|
|
|
.arg(item["link"].toString())
|
|
|
|
|
.arg(line);
|
|
|
|
|
previous = time;
|
|
|
|
|
} else {
|
|
|
|
|
html += QString(LINE).arg(i % 2)
|
|
|
|
|
.arg(item["link"].toString())
|
|
|
|
|
.arg(line);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
++i;
|
|
|
|
|
}
|
|
|
|
|
html += END_TABLE;
|
|
|
|
|
html += END;
|
|
|
|
|
m_graphicsWidget->setPreferredSize(-1, -1);
|
|
|
|
|
|
|
|
|
|
m_news->setHtml(html, m_cssDir);
|
|
|
|
|
emit sizeHintChanged(Qt::PreferredSize);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void News::linkActivated(const QUrl& link)
|
|
|
|
|
{
|
|
|
|
|
KRun::runUrl(KUrl(link), "text/html", 0);
|
|
|
|
|
}
|
|
|
|
|
|
2015-02-27 11:02:43 +00:00
|
|
|
#include "moc_news.cpp"
|
