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/***************************************************************************
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 <tqtimer.h>
#include <tqbuffer.h>
#include <tqwidgetstack.h>
#include <kdebug.h>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <tdemessagebox.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(TDEInstance *inst, TQObject *parent,
TQWidget *widgetParent,
TQString &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 TQPixmap
KDesktopFile desktopFile(desktopName, true);
TQString iconName = desktopFile.readIcon();
TDEIconLoader iconLoader;
m_appIcon = iconLoader.loadIcon(iconName, TDEIcon::Small);
// create all sidebar widgets
widgets = new TQWidgetStack(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 tdenetwork).</qt>"),
i18n("Sidebar Newsticker"));
noRSSwidget->setEnabled(false);
} else {
m_rssservice = DCOPRef("rssservice", "RSSService");
TQStringList reslist = SidebarSettings::sources();
TQStringList::iterator it;
for (it = reslist.begin(); it != reslist.end(); ++it) {
addedRSSSource(*it);
}
// fetch added and removed RSS sources
connectDCOPSignal("rssservice", m_rssservice.obj(), "added(TQString)",
"addedRSSSource(TQString)", false);
connectDCOPSignal("rssservice", m_rssservice.obj(), "removed(TQString)",
"removedRSSSource(TQString)", 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 TQString &) {return 0;}
void KonqSidebar_News::emitStatusBarText (const TQString &) {;}
TQWidget *KonqSidebar_News::getWidget(){return widgets;}
void KonqSidebar_News::handleURL(const KURL &/*url*/) {;}
///////// startup of the DCOP servce ///////////////////////////////////////
int KonqSidebar_News::checkDcopService() {
TQString rdfservice_error;
int err = 0;
if (! kapp->dcopClient()->isApplicationRegistered("rssservice"))
if (TDEApplication::startServiceByDesktopName("rssservice", TQString(),
&rdfservice_error) > 0)
err = 1;
return err;
}
///////// helper methods ///////////////////////////////////////////////////
NSPanel *KonqSidebar_News::getNSPanelByKey(TQString 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(TQString 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,
TQString(TQString("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, TQ_SIGNAL(executed(TQListBoxItem *)),
this, TQ_SLOT(slotArticleItemExecuted(TQListBoxItem *)));
listbox->insertItem(i18n("Connecting..." ));
nspanel->setListbox(listbox);
}
// listen to updates
connect(nspanel, TQ_SIGNAL(documentUpdated(NSPanel *)),
this, TQ_SLOT(updateArticles(NSPanel *)));
connect(nspanel, TQ_SIGNAL(documentUpdated(NSPanel *)),
this, TQ_SLOT(updateTitle(NSPanel *)));
connect(nspanel, TQ_SIGNAL(pixmapUpdated(NSPanel *)),
this, TQ_SLOT(updatePixmap(NSPanel *)));
if (widgets->visibleWidget() != newswidget)
widgets->raiseWidget(newswidget);
}
}
void KonqSidebar_News::removedRSSSource(TQString 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(TQListBoxItem *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);
TQString link = nspanel->articleLinks()[subid];
emit openURLRequest(KURL(link));
}
//////////// update article headlines ////////////
void KonqSidebar_News::updateArticles(NSPanel *nsp) {
nsp->listbox()->clear();
TQStringList articleList = nsp->articles();
TQStringList::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(TDEInstance *instance, TQObject *par,
TQWidget *widp,
TQString &desktopname,
const char *name) {
TDEGlobal::locale()->insertCatalogue("konqsidebar_news");
return new KonqSidebar_News(instance, par, widp, desktopname, name);
}
}
extern "C" {
KDE_EXPORT bool add_konq_sidebarnews(TQString* fn, TQString*,
TQMap<TQString,TQString> *map) {
map->insert("Type", "Link");
map->insert("Icon", "konqsidebar_news");
map->insert("Name", i18n("Newsticker"));
map->insert("Open", "false");
map->insert("X-TDE-KonqSidebarModule", "konq_sidebarnews");
fn->setLatin1("news%1.desktop");
return true;
}
}
} // namespace KSB_News
#include "sidebar_news.moc"
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