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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 319 insertions, 0 deletions

diff --git a/kontact/plugins/newsticker/summarywidget.cpp b/kontact/plugins/newsticker/summarywidget.cpp
new file mode 100644
index 000000000..14b7bc27a
--- /dev/null
+++ b/kontact/plugins/newsticker/summarywidget.cpp
@@ -0,0 +1,319 @@
+/*
+    This file is part of Kontact.
+    Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include <qclipboard.h>
+#include <qeventloop.h>
+#include <qhbox.h>
+#include <qlayout.h>
+#include <qpixmap.h>
+#include <qpopupmenu.h>
+#include <qcursor.h>
+
+#include <dcopclient.h>
+#include <kapplication.h>
+#include <kcharsets.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kurllabel.h>
+
+#include "summarywidget.h"
+
+SummaryWidget::SummaryWidget( QWidget *parent, const char *name )
+  : Kontact::Summary( parent, name ),
+    DCOPObject( "NewsTickerPlugin" ), mLayout( 0 ), mFeedCounter( 0 )
+{
+  QVBoxLayout *vlay = new QVBoxLayout( this, 3, 3 );
+
+  QPixmap icon = KGlobal::iconLoader()->loadIcon( "kontact_news",
+                                                  KIcon::Desktop, KIcon::SizeMedium );
+
+  QWidget *header = createHeader( this, icon, i18n( "News Feeds" ) );
+  vlay->addWidget( header );
+
+  QString error;
+  QCString appID;
+
+  bool dcopAvailable = true;
+  if ( !kapp->dcopClient()->isApplicationRegistered( "rssservice" ) ) {
+    if ( KApplication::startServiceByDesktopName( "rssservice", QStringList(), &error, &appID ) ) {
+      QLabel *label = new QLabel( i18n( "No rss dcop service available.\nYou need rssservice to use this plugin." ), this );
+      vlay->addWidget( label, Qt::AlignHCenter );
+      dcopAvailable = false;
+    }
+  }
+
+  mBaseWidget = new QWidget( this, "baseWidget" );
+  vlay->addWidget( mBaseWidget );
+
+  connect( &mTimer, SIGNAL( timeout() ), this, SLOT( updateDocuments() ) );
+
+  readConfig();
+
+  connectDCOPSignal( 0, 0, "documentUpdateError(DCOPRef,int)", "documentUpdateError(DCOPRef, int)", false );
+
+  if ( dcopAvailable )
+    initDocuments();
+
+  connectDCOPSignal( 0, 0, "added(QString)", "documentAdded(QString)", false );
+  connectDCOPSignal( 0, 0, "removed(QString)", "documentRemoved(QString)", false );
+}
+
+int SummaryWidget::summaryHeight() const
+{
+  return ( mFeeds.count() == 0 ? 1 : mFeeds.count() );
+}
+
+void SummaryWidget::documentAdded( QString )
+{
+  initDocuments();
+}
+
+void SummaryWidget::documentRemoved( QString )
+{
+  initDocuments();
+}
+
+void SummaryWidget::configChanged()
+{
+  readConfig();
+
+  updateView();
+}
+
+void SummaryWidget::readConfig()
+{
+  KConfig config( "kcmkontactkntrc" );
+  config.setGroup( "General" );
+
+  mUpdateInterval = config.readNumEntry( "UpdateInterval", 600 );
+  mArticleCount = config.readNumEntry( "ArticleCount", 4 );
+}
+
+void SummaryWidget::initDocuments()
+{
+  mFeeds.clear();
+
+  DCOPRef dcopCall( "rssservice", "RSSService" );
+  QStringList urls;
+  dcopCall.call( "list()" ).get( urls );
+
+  if ( urls.isEmpty() ) { // add default
+    urls.append( "http://www.kde.org/dotkdeorg.rdf" );
+    dcopCall.send( "add(QString)", urls[ 0 ] );
+  }
+
+  QStringList::Iterator it;
+  for ( it = urls.begin(); it != urls.end(); ++it ) {
+    DCOPRef feedRef = dcopCall.call( "document(QString)", *it );
+
+    Feed feed;
+    feed.ref = feedRef;
+    feedRef.call( "title()" ).get( feed.title );
+    feedRef.call( "link()" ).get( feed.url );
+    feedRef.call( "pixmap()" ).get( feed.logo );
+    mFeeds.append( feed );
+
+    disconnectDCOPSignal( "rssservice", feedRef.obj(), "documentUpdated(DCOPRef)", 0 );
+    connectDCOPSignal( "rssservice", feedRef.obj(), "documentUpdated(DCOPRef)",
+                       "documentUpdated(DCOPRef)", false );
+
+    if ( qApp )
+      qApp->eventLoop()->processEvents( QEventLoop::ExcludeUserInput |
+                                    QEventLoop::ExcludeSocketNotifiers );
+  }
+
+  updateDocuments();
+}
+
+void SummaryWidget::updateDocuments()
+{
+  mTimer.stop();
+
+  FeedList::Iterator it;
+  for ( it = mFeeds.begin(); it != mFeeds.end(); ++it )
+    (*it).ref.send( "refresh()" );
+
+  mTimer.start( 1000 * mUpdateInterval );
+}
+
+void SummaryWidget::documentUpdated( DCOPRef feedRef )
+{
+  ArticleMap map;
+
+  int numArticles = feedRef.call( "count()" );
+  for ( int i = 0; i < numArticles; ++i ) {
+    DCOPRef artRef = feedRef.call( "article(int)", i );
+    QString title, url;
+
+    if ( qApp )
+      qApp->eventLoop()->processEvents( QEventLoop::ExcludeUserInput |
+                                        QEventLoop::ExcludeSocketNotifiers );
+
+    artRef.call( "title()" ).get( title );
+    artRef.call( "link()" ).get( url );
+
+    QPair<QString, KURL> article(title, KURL( url ));
+    map.append( article );
+  }
+
+  FeedList::Iterator it;
+  for ( it = mFeeds.begin(); it != mFeeds.end(); ++it )
+    if ( (*it).ref.obj() == feedRef.obj() ) {
+      (*it).map = map;
+      if ( (*it).title.isEmpty() )
+        feedRef.call( "title()" ).get( (*it).title );
+      if ( (*it).url.isEmpty() )
+        feedRef.call( "link()" ).get( (*it).url );
+      if ( (*it).logo.isNull() )
+        feedRef.call( "pixmap()" ).get( (*it).logo );
+    }
+
+  mFeedCounter++;
+  if ( mFeedCounter == mFeeds.count() ) {
+    mFeedCounter = 0;
+    updateView();
+  }
+}
+
+void SummaryWidget::updateView()
+{
+  mLabels.setAutoDelete( true );
+  mLabels.clear();
+  mLabels.setAutoDelete( false );
+
+  delete mLayout;
+  mLayout = new QVBoxLayout( mBaseWidget, 3 );
+
+  QFont boldFont;
+  boldFont.setBold( true );
+  boldFont.setPointSize( boldFont.pointSize() + 2 );
+
+  FeedList::Iterator it;
+  for ( it = mFeeds.begin(); it != mFeeds.end(); ++it ) {
+    QHBox *hbox = new QHBox( mBaseWidget );
+    mLayout->addWidget( hbox );
+
+    // icon
+    KURLLabel *urlLabel = new KURLLabel( hbox );
+    urlLabel->setURL( (*it).url );
+    urlLabel->setPixmap( (*it).logo );
+    urlLabel->setMaximumSize( urlLabel->minimumSizeHint() );
+    mLabels.append( urlLabel );
+
+    connect( urlLabel, SIGNAL( leftClickedURL( const QString& ) ),
+             kapp, SLOT( invokeBrowser( const QString& ) ) );
+    connect( urlLabel, SIGNAL( rightClickedURL( const QString& ) ),
+             this, SLOT( rmbMenu( const QString& ) ) );
+
+    // header
+    QLabel *label = new QLabel( hbox );
+    label->setText( KCharsets::resolveEntities( (*it).title ) );
+    label->setAlignment( AlignLeft|AlignVCenter );
+    label->setFont( boldFont );
+    label->setIndent( 6 );
+    label->setMaximumSize( label->minimumSizeHint() );
+    mLabels.append( label );
+
+    hbox->setMaximumWidth( hbox->minimumSizeHint().width() );
+    hbox->show();
+
+    // articles
+    ArticleMap articles = (*it).map;
+    ArticleMap::Iterator artIt;
+    int numArticles = 0;
+    for ( artIt = articles.begin(); artIt != articles.end() && numArticles < mArticleCount; ++artIt ) {
+      urlLabel = new KURLLabel( (*artIt).second.url(), (*artIt).first, mBaseWidget );
+      urlLabel->installEventFilter( this );
+      //TODO: RichText causes too much horizontal space between articles
+      //urlLabel->setTextFormat( RichText );
+      mLabels.append( urlLabel );
+      mLayout->addWidget( urlLabel );
+
+      connect( urlLabel, SIGNAL( leftClickedURL( const QString& ) ),
+               kapp, SLOT( invokeBrowser( const QString& ) ) );
+      connect( urlLabel, SIGNAL( rightClickedURL( const QString& ) ),
+               this, SLOT( rmbMenu( const QString& ) ) );
+
+
+      numArticles++;
+    }
+  }
+
+  for ( QLabel *label = mLabels.first(); label; label = mLabels.next() )
+    label->show();
+}
+
+void SummaryWidget::documentUpdateError( DCOPRef feedRef, int errorCode )
+{
+  kdDebug() << " error while updating document, error code: " << errorCode << endl;
+  FeedList::Iterator it;
+  for ( it = mFeeds.begin(); it != mFeeds.end(); ++it ) {
+    if ( (*it).ref.obj() == feedRef.obj() ) {
+      mFeeds.remove( it );
+      break;
+    }
+  }
+
+  if ( mFeedCounter == mFeeds.count() ) {
+    mFeedCounter = 0;
+    updateView();
+  }
+
+}
+
+QStringList SummaryWidget::configModules() const
+{
+  return "kcmkontactknt.desktop";
+}
+
+void SummaryWidget::updateSummary( bool )
+{
+  updateDocuments();
+}
+
+void SummaryWidget::rmbMenu( const QString& url )
+{
+  QPopupMenu menu;
+  menu.insertItem( i18n( "Copy URL to Clipboard" ) );
+  int id = menu.exec( QCursor::pos() );
+  if ( id != -1 )
+    kapp->clipboard()->setText( url, QClipboard::Clipboard );
+}
+
+bool SummaryWidget::eventFilter( QObject *obj, QEvent* e )
+{
+  if ( obj->inherits( "KURLLabel" ) ) {
+    KURLLabel* label = static_cast<KURLLabel*>( obj );
+    if ( e->type() == QEvent::Enter )
+      emit message( label->url() );
+    if ( e->type() == QEvent::Leave )
+      emit message( QString::null );
+  }
+
+  return Kontact::Summary::eventFilter( obj, e );
+}
+
+#include "summarywidget.moc"