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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit84da08d7b7fcda12c85caeb5a10b4903770a6f69 (patch)
tree2a6aea76f2dfffb4cc04bb907c4725af94f70e72 /konq-plugins/sidebar/newsticker/sidebar_news.cpp
downloadtdeaddons-84da08d7b7fcda12c85caeb5a10b4903770a6f69.tar.gz
tdeaddons-84da08d7b7fcda12c85caeb5a10b4903770a6f69.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*-
+
+/***************************************************************************
+ sidebar_news.cpp - The real sidebar plugin
+ -------------------
+ begin : Sat June 23 13:35:30 CEST 2001
+ copyright : (C) 2001,2002 Marcus Camen, Joseph Wenninger
+ copyright : (C) 2003,2004 Marcus Camen
+ email : Marcus Camen <[email protected]>
+ idea and original code: [email protected]
+***************************************************************************/
+
+/*
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include <dcopclient.h>
+#include <qtimer.h>
+#include <qbuffer.h>
+#include <qwidgetstack.h>
+#include <kdebug.h>
+#include <kapplication.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kdesktopfile.h>
+#include <kiconloader.h>
+#include <kdemacros.h>
+#include "sidebar_news.h"
+#include "nsstacktabwidget.h"
+#include "norsswidget.h"
+#include "sidebarsettings.h"
+
+
+namespace KSB_News {
+
+ KonqSidebar_News::KonqSidebar_News(KInstance *inst, QObject *parent,
+ QWidget *widgetParent,
+ QString &desktopName, const char* name)
+ : KonqSidebarPlugin(inst, parent, widgetParent, desktopName, name),
+ DCOPObject("sidebar-newsticker")
+ {
+ // get the application icon
+ // FIXME: as konqueror knows the icon there might be a possibility to
+ // access the already present QPixmap
+ KDesktopFile desktopFile(desktopName, true);
+ QString iconName = desktopFile.readIcon();
+ KIconLoader iconLoader;
+ m_appIcon = iconLoader.loadIcon(iconName, KIcon::Small);
+
+ // create all sidebar widgets
+ widgets = new QWidgetStack(widgetParent, "main_widgetstack");
+ newswidget = new NSStackTabWidget(widgets, "feedbrowser_stackchld",
+ m_appIcon);
+ noRSSwidget = new NoRSSWidget(widgets, "nofeed_stackchld");
+ widgets->addWidget(newswidget);
+ widgets->addWidget(noRSSwidget);
+ widgets->raiseWidget(noRSSwidget);
+ noRSSwidget->show();
+
+ // try to connect to the DCOP service
+ if (checkDcopService() > 0) {
+ KMessageBox::sorry(widgets,
+ i18n("<qt>Cannot connect to RSS service. Please make "
+ "sure the <strong>rssservice</strong> program "
+ "is available (usually distributed as part "
+ "of kdenetwork).</qt>"),
+ i18n("Sidebar Newsticker"));
+ noRSSwidget->setEnabled(false);
+ } else {
+ m_rssservice = DCOPRef("rssservice", "RSSService");
+
+ QStringList reslist = SidebarSettings::sources();
+ QStringList::iterator it;
+ for (it = reslist.begin(); it != reslist.end(); ++it) {
+ addedRSSSource(*it);
+ }
+
+ // fetch added and removed RSS sources
+ connectDCOPSignal("rssservice", m_rssservice.obj(), "added(QString)",
+ "addedRSSSource(QString)", false);
+ connectDCOPSignal("rssservice", m_rssservice.obj(), "removed(QString)",
+ "removedRSSSource(QString)", false);
+
+ // show special widget if there are no RSS sources available
+ if (newswidget->isEmpty()) {
+ widgets->raiseWidget(noRSSwidget);
+ noRSSwidget->show();
+ } else {
+ widgets->raiseWidget(newswidget);
+ }
+ }
+ }
+
+
+ KonqSidebar_News::~KonqSidebar_News() {
+ }
+
+
+
+ void *KonqSidebar_News::provides(const QString &) {return 0;}
+
+ void KonqSidebar_News::emitStatusBarText (const QString &) {;}
+
+ QWidget *KonqSidebar_News::getWidget(){return widgets;}
+
+ void KonqSidebar_News::handleURL(const KURL &/*url*/) {;}
+
+
+///////// startup of the DCOP servce ///////////////////////////////////////
+
+ int KonqSidebar_News::checkDcopService() {
+ QString rdfservice_error;
+ int err = 0;
+
+ if (! kapp->dcopClient()->isApplicationRegistered("rssservice"))
+ if (KApplication::startServiceByDesktopName("rssservice", QString(),
+ &rdfservice_error) > 0)
+ err = 1;
+
+ return err;
+ }
+
+
+
+///////// helper methods ///////////////////////////////////////////////////
+
+ NSPanel *KonqSidebar_News::getNSPanelByKey(QString key) {
+ NSPanel *nsp = NULL, *current_nsp;
+
+ for (current_nsp = nspanelptrlist.first(); current_nsp;
+ current_nsp = nspanelptrlist.next()) {
+ if (current_nsp->key() == key)
+ nsp = current_nsp;
+ }
+
+ return nsp;
+ }
+
+
+ void KonqSidebar_News::addedRSSSource(QString key) {
+ kdDebug(90140) << "KonqSidebar_News::addedRSSSource: " << key << endl;
+
+ // Only add RSS source if we have registered the URI before in
+ // NSStackTabWidget.
+ if (newswidget->isRegistered(key)) {
+ NSPanel *nspanel = new NSPanel(this,
+ QString(QString("sidebar-newsticker-")+key).latin1(),
+ key, &m_rssservice);
+ nspanel->setTitle(key);
+ nspanelptrlist.append(nspanel);
+
+ // add preliminary widgets for this newssource
+ if (! nspanel->listbox()) {
+ TTListBox *listbox = new TTListBox(newswidget, "article_lb");
+ newswidget->addStackTab(nspanel, listbox);
+ connect(listbox, SIGNAL(executed(QListBoxItem *)),
+ this, SLOT(slotArticleItemExecuted(QListBoxItem *)));
+ listbox->insertItem(i18n("Connecting..." ));
+ nspanel->setListbox(listbox);
+ }
+
+ // listen to updates
+ connect(nspanel, SIGNAL(documentUpdated(NSPanel *)),
+ this, SLOT(updateArticles(NSPanel *)));
+ connect(nspanel, SIGNAL(documentUpdated(NSPanel *)),
+ this, SLOT(updateTitle(NSPanel *)));
+ connect(nspanel, SIGNAL(pixmapUpdated(NSPanel *)),
+ this, SLOT(updatePixmap(NSPanel *)));
+
+ if (widgets->visibleWidget() != newswidget)
+ widgets->raiseWidget(newswidget);
+ }
+ }
+
+
+ void KonqSidebar_News::removedRSSSource(QString key) {
+ kdDebug(90140) << "inside KonqSidebar_News::removedSource " << key << endl;
+
+ if (NSPanel *nsp = getNSPanelByKey(key)) {
+ newswidget->delStackTab(nsp);
+ delete nspanelptrlist.take(nspanelptrlist.findRef(nsp));
+ } else
+ kdWarning() << "removedSource called for non-existing id" << endl;
+
+ if (newswidget->isEmpty())
+ widgets->raiseWidget(noRSSwidget);
+ }
+
+
+/////////////////////////////////////////////////////////////////////
+
+ void KonqSidebar_News::slotArticleItemExecuted(QListBoxItem *item) {
+ if (!item) return;
+
+ NSPanel *current_nspanel, *nspanel = NULL;
+ for (current_nspanel = nspanelptrlist.first(); current_nspanel;
+ current_nspanel = nspanelptrlist.next()) {
+ if (current_nspanel->listbox() == item->listBox())
+ nspanel = current_nspanel;
+ }
+
+ int subid = nspanel->listbox()->index(item);
+ QString link = nspanel->articleLinks()[subid];
+
+ emit openURLRequest(KURL(link));
+
+ }
+
+
+
+//////////// update article headlines ////////////
+
+ void KonqSidebar_News::updateArticles(NSPanel *nsp) {
+ nsp->listbox()->clear();
+
+ QStringList articleList = nsp->articles();
+ QStringList::iterator it;
+ for (it = articleList.begin(); it != articleList.end(); ++it)
+ nsp->listbox()->insertItem((*it));
+ }
+
+
+/////////// Title stuff /////////////////////////////////////
+
+ void KonqSidebar_News::updateTitle(NSPanel *nsp) {
+ newswidget->updateTitle(nsp);
+ }
+
+
+/////////// Pixmap stuff /////////////////////////////////////
+
+ void KonqSidebar_News::updatePixmap(NSPanel *nsp) {
+ newswidget->updatePixmap(nsp);
+ }
+
+
+
+/////////////////////////////////////////////////////////
+
+
+ extern "C" {
+ KDE_EXPORT void* create_konq_sidebarnews(KInstance *instance, QObject *par,
+ QWidget *widp,
+ QString &desktopname,
+ const char *name) {
+ KGlobal::locale()->insertCatalogue("konqsidebar_news");
+ return new KonqSidebar_News(instance, par, widp, desktopname, name);
+ }
+ }
+
+ extern "C" {
+ KDE_EXPORT bool add_konq_sidebarnews(QString* fn, QString*,
+ QMap<QString,QString> *map) {
+ map->insert("Type", "Link");
+ map->insert("Icon", "konqsidebar_news");
+ map->insert("Name", i18n("Newsticker"));
+ map->insert("Open", "false");
+ map->insert("X-KDE-KonqSidebarModule", "konq_sidebarnews");
+ fn->setLatin1("news%1.desktop");
+ return true;
+ }
+ }
+
+} // namespace KSB_News
+
+#include "sidebar_news.moc"