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320 lines
9.1 KiB
320 lines
9.1 KiB
15 years ago
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/*
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This file is part of Kontact.
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Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, permission is given to link this program
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with any edition of Qt, and distribute the resulting executable,
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without including the source code for Qt in the source distribution.
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*/
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#include <qclipboard.h>
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#include <qeventloop.h>
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#include <qhbox.h>
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#include <qlayout.h>
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#include <qpixmap.h>
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#include <qpopupmenu.h>
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#include <qcursor.h>
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#include <dcopclient.h>
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#include <kapplication.h>
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#include <kcharsets.h>
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#include <kconfig.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include <kurllabel.h>
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#include "summarywidget.h"
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SummaryWidget::SummaryWidget( QWidget *parent, const char *name )
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: Kontact::Summary( parent, name ),
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DCOPObject( "NewsTickerPlugin" ), mLayout( 0 ), mFeedCounter( 0 )
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{
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QVBoxLayout *vlay = new QVBoxLayout( this, 3, 3 );
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QPixmap icon = KGlobal::iconLoader()->loadIcon( "kontact_news",
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KIcon::Desktop, KIcon::SizeMedium );
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QWidget *header = createHeader( this, icon, i18n( "News Feeds" ) );
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vlay->addWidget( header );
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QString error;
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QCString appID;
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bool dcopAvailable = true;
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if ( !kapp->dcopClient()->isApplicationRegistered( "rssservice" ) ) {
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if ( KApplication::startServiceByDesktopName( "rssservice", QStringList(), &error, &appID ) ) {
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QLabel *label = new QLabel( i18n( "No rss dcop service available.\nYou need rssservice to use this plugin." ), this );
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vlay->addWidget( label, Qt::AlignHCenter );
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dcopAvailable = false;
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}
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}
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mBaseWidget = new QWidget( this, "baseWidget" );
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vlay->addWidget( mBaseWidget );
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connect( &mTimer, SIGNAL( timeout() ), this, SLOT( updateDocuments() ) );
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readConfig();
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connectDCOPSignal( 0, 0, "documentUpdateError(DCOPRef,int)", "documentUpdateError(DCOPRef, int)", false );
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if ( dcopAvailable )
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initDocuments();
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connectDCOPSignal( 0, 0, "added(QString)", "documentAdded(QString)", false );
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connectDCOPSignal( 0, 0, "removed(QString)", "documentRemoved(QString)", false );
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}
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int SummaryWidget::summaryHeight() const
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{
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return ( mFeeds.count() == 0 ? 1 : mFeeds.count() );
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}
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void SummaryWidget::documentAdded( QString )
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{
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initDocuments();
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}
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void SummaryWidget::documentRemoved( QString )
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{
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initDocuments();
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}
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void SummaryWidget::configChanged()
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{
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readConfig();
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updateView();
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}
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void SummaryWidget::readConfig()
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{
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KConfig config( "kcmkontactkntrc" );
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config.setGroup( "General" );
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mUpdateInterval = config.readNumEntry( "UpdateInterval", 600 );
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mArticleCount = config.readNumEntry( "ArticleCount", 4 );
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}
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void SummaryWidget::initDocuments()
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{
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mFeeds.clear();
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DCOPRef dcopCall( "rssservice", "RSSService" );
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QStringList urls;
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dcopCall.call( "list()" ).get( urls );
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if ( urls.isEmpty() ) { // add default
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urls.append( "http://www.kde.org/dotkdeorg.rdf" );
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dcopCall.send( "add(QString)", urls[ 0 ] );
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}
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QStringList::Iterator it;
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for ( it = urls.begin(); it != urls.end(); ++it ) {
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DCOPRef feedRef = dcopCall.call( "document(QString)", *it );
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Feed feed;
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feed.ref = feedRef;
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feedRef.call( "title()" ).get( feed.title );
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feedRef.call( "link()" ).get( feed.url );
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feedRef.call( "pixmap()" ).get( feed.logo );
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mFeeds.append( feed );
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disconnectDCOPSignal( "rssservice", feedRef.obj(), "documentUpdated(DCOPRef)", 0 );
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connectDCOPSignal( "rssservice", feedRef.obj(), "documentUpdated(DCOPRef)",
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"documentUpdated(DCOPRef)", false );
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if ( qApp )
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qApp->eventLoop()->processEvents( QEventLoop::ExcludeUserInput |
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QEventLoop::ExcludeSocketNotifiers );
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}
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updateDocuments();
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}
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void SummaryWidget::updateDocuments()
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{
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mTimer.stop();
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FeedList::Iterator it;
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for ( it = mFeeds.begin(); it != mFeeds.end(); ++it )
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(*it).ref.send( "refresh()" );
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mTimer.start( 1000 * mUpdateInterval );
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}
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void SummaryWidget::documentUpdated( DCOPRef feedRef )
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{
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ArticleMap map;
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int numArticles = feedRef.call( "count()" );
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for ( int i = 0; i < numArticles; ++i ) {
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DCOPRef artRef = feedRef.call( "article(int)", i );
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QString title, url;
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if ( qApp )
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qApp->eventLoop()->processEvents( QEventLoop::ExcludeUserInput |
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QEventLoop::ExcludeSocketNotifiers );
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artRef.call( "title()" ).get( title );
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artRef.call( "link()" ).get( url );
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QPair<QString, KURL> article(title, KURL( url ));
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map.append( article );
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}
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FeedList::Iterator it;
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for ( it = mFeeds.begin(); it != mFeeds.end(); ++it )
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if ( (*it).ref.obj() == feedRef.obj() ) {
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(*it).map = map;
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if ( (*it).title.isEmpty() )
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feedRef.call( "title()" ).get( (*it).title );
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if ( (*it).url.isEmpty() )
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feedRef.call( "link()" ).get( (*it).url );
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if ( (*it).logo.isNull() )
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feedRef.call( "pixmap()" ).get( (*it).logo );
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}
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mFeedCounter++;
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if ( mFeedCounter == mFeeds.count() ) {
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mFeedCounter = 0;
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updateView();
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}
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}
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void SummaryWidget::updateView()
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{
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mLabels.setAutoDelete( true );
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mLabels.clear();
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mLabels.setAutoDelete( false );
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delete mLayout;
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mLayout = new QVBoxLayout( mBaseWidget, 3 );
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QFont boldFont;
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boldFont.setBold( true );
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boldFont.setPointSize( boldFont.pointSize() + 2 );
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FeedList::Iterator it;
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for ( it = mFeeds.begin(); it != mFeeds.end(); ++it ) {
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QHBox *hbox = new QHBox( mBaseWidget );
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mLayout->addWidget( hbox );
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// icon
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KURLLabel *urlLabel = new KURLLabel( hbox );
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urlLabel->setURL( (*it).url );
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urlLabel->setPixmap( (*it).logo );
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urlLabel->setMaximumSize( urlLabel->minimumSizeHint() );
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mLabels.append( urlLabel );
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connect( urlLabel, SIGNAL( leftClickedURL( const QString& ) ),
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kapp, SLOT( invokeBrowser( const QString& ) ) );
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connect( urlLabel, SIGNAL( rightClickedURL( const QString& ) ),
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this, SLOT( rmbMenu( const QString& ) ) );
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// header
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QLabel *label = new QLabel( hbox );
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label->setText( KCharsets::resolveEntities( (*it).title ) );
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label->setAlignment( AlignLeft|AlignVCenter );
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label->setFont( boldFont );
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label->setIndent( 6 );
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label->setMaximumSize( label->minimumSizeHint() );
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mLabels.append( label );
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hbox->setMaximumWidth( hbox->minimumSizeHint().width() );
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hbox->show();
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// articles
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ArticleMap articles = (*it).map;
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ArticleMap::Iterator artIt;
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int numArticles = 0;
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for ( artIt = articles.begin(); artIt != articles.end() && numArticles < mArticleCount; ++artIt ) {
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urlLabel = new KURLLabel( (*artIt).second.url(), (*artIt).first, mBaseWidget );
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urlLabel->installEventFilter( this );
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//TODO: RichText causes too much horizontal space between articles
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//urlLabel->setTextFormat( RichText );
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mLabels.append( urlLabel );
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mLayout->addWidget( urlLabel );
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connect( urlLabel, SIGNAL( leftClickedURL( const QString& ) ),
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kapp, SLOT( invokeBrowser( const QString& ) ) );
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connect( urlLabel, SIGNAL( rightClickedURL( const QString& ) ),
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this, SLOT( rmbMenu( const QString& ) ) );
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numArticles++;
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}
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}
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for ( QLabel *label = mLabels.first(); label; label = mLabels.next() )
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label->show();
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}
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void SummaryWidget::documentUpdateError( DCOPRef feedRef, int errorCode )
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{
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kdDebug() << " error while updating document, error code: " << errorCode << endl;
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FeedList::Iterator it;
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for ( it = mFeeds.begin(); it != mFeeds.end(); ++it ) {
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if ( (*it).ref.obj() == feedRef.obj() ) {
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mFeeds.remove( it );
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break;
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}
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}
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if ( mFeedCounter == mFeeds.count() ) {
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mFeedCounter = 0;
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updateView();
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}
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}
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QStringList SummaryWidget::configModules() const
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{
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return "kcmkontactknt.desktop";
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}
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void SummaryWidget::updateSummary( bool )
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{
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updateDocuments();
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}
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void SummaryWidget::rmbMenu( const QString& url )
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{
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QPopupMenu menu;
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menu.insertItem( i18n( "Copy URL to Clipboard" ) );
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int id = menu.exec( QCursor::pos() );
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if ( id != -1 )
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kapp->clipboard()->setText( url, QClipboard::Clipboard );
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}
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bool SummaryWidget::eventFilter( QObject *obj, QEvent* e )
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{
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if ( obj->inherits( "KURLLabel" ) ) {
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KURLLabel* label = static_cast<KURLLabel*>( obj );
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if ( e->type() == QEvent::Enter )
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emit message( label->url() );
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if ( e->type() == QEvent::Leave )
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emit message( QString::null );
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}
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return Kontact::Summary::eventFilter( obj, e );
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}
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#include "summarywidget.moc"
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