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

1 files changed, 279 insertions, 0 deletions

diff --git a/konq-plugins/sidebar/newsticker/sidebar_news.cpp b/konq-plugins/sidebar/newsticker/sidebar_news.cpp
new file mode 100644
index 0000000..f96bcd6
--- /dev/null
+++ b/konq-plugins/sidebar/newsticker/sidebar_news.cpp
@@ -0,0 +1,279 @@
+// -*- 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 <mcamen@mcamen.de>
+    idea and original code: jowenn@kde.org
+***************************************************************************/
+
+/*
+  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"