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, 1153 insertions, 0 deletions

diff --git a/kresources/kolab/kcal/resourcekolab.cpp b/kresources/kolab/kcal/resourcekolab.cpp
new file mode 100644
index 000000000..3c1c80e10
--- /dev/null
+++ b/kresources/kolab/kcal/resourcekolab.cpp
@@ -0,0 +1,1153 @@
+/*
+    This file is part of the kolab resource - the implementation of the
+    Kolab storage format. See www.kolab.org for documentation on this.
+
+    Copyright (c) 2004 Bo Thorsen <bo@sonofthor.dk>
+                  2004 Till Adam <till@klaralvdalens-datakonsult.se>
+
+    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.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#include "resourcekolab.h"
+#include "event.h"
+#include "task.h"
+#include "journal.h"
+
+#include <kio/observer.h>
+#include <kio/uiserver_stub.h>
+#include <kapplication.h>
+#include <dcopclient.h>
+#include <libkcal/icalformat.h>
+#include <libkdepim/kincidencechooser.h>
+#include <kabc/locknull.h>
+#include <kmainwindow.h>
+#include <klocale.h>
+#include <kinputdialog.h>
+#include <ktempfile.h>
+#include <kmdcodec.h>
+
+#include <qfile.h>
+#include <qobject.h>
+#include <qtimer.h>
+#include <qapplication.h>
+
+#include <assert.h>
+
+using namespace KCal;
+using namespace Kolab;
+
+static const char* kmailCalendarContentsType = "Calendar";
+static const char* kmailTodoContentsType = "Task";
+static const char* kmailJournalContentsType = "Journal";
+static const char* eventAttachmentMimeType = "application/x-vnd.kolab.event";
+static const char* todoAttachmentMimeType = "application/x-vnd.kolab.task";
+static const char* journalAttachmentMimeType = "application/x-vnd.kolab.journal";
+static const char* incidenceInlineMimeType = "text/calendar";
+
+
+ResourceKolab::ResourceKolab( const KConfig *config )
+  : ResourceCalendar( config ), ResourceKolabBase( "ResourceKolab-libkcal" ),
+    mCalendar( QString::fromLatin1("UTC") ), mOpen( false ),mResourceChangedTimer( 0,
+        "mResourceChangedTimer" )
+{
+  setType( "imap" );
+  connect( &mResourceChangedTimer, SIGNAL( timeout() ),
+           this, SLOT( slotEmitResourceChanged() ) );
+}
+
+ResourceKolab::~ResourceKolab()
+{
+  // The resource is deleted on exit (StdAddressBook's KStaticDeleter),
+  // and it wasn't closed before that, so close here to save the config.
+  if ( mOpen ) {
+    close();
+  }
+}
+
+void ResourceKolab::loadSubResourceConfig( KConfig& config,
+                                           const QString& name,
+                                           const QString& label,
+                                           bool writable,
+                                           bool alarmRelevant,
+                                           ResourceMap& subResource )
+{
+  KConfigGroup group( &config, name );
+  bool active = group.readBoolEntry( "Active", true );
+  subResource.insert( name, Kolab::SubResource( active, writable,
+                                                alarmRelevant, label ) );
+}
+
+bool ResourceKolab::openResource( KConfig& config, const char* contentType,
+                                  ResourceMap& map )
+{
+  // Read the subresource entries from KMail
+  QValueList<KMailICalIface::SubResource> subResources;
+  if ( !kmailSubresources( subResources, contentType ) )
+    return false;
+  map.clear();
+  QValueList<KMailICalIface::SubResource>::ConstIterator it;
+  for ( it = subResources.begin(); it != subResources.end(); ++it )
+    loadSubResourceConfig( config, (*it).location, (*it).label, (*it).writable,
+                           (*it).alarmRelevant, map );
+  return true;
+}
+
+bool ResourceKolab::doOpen()
+{
+  if ( mOpen )
+    // Already open
+    return true;
+  mOpen = true;
+
+  KConfig config( configFile() );
+  config.setGroup( "General" );
+  mProgressDialogIncidenceLimit = config.readNumEntry("ProgressDialogIncidenceLimit", 200);
+
+  return openResource( config, kmailCalendarContentsType, mEventSubResources )
+    && openResource( config, kmailTodoContentsType, mTodoSubResources )
+    && openResource( config, kmailJournalContentsType, mJournalSubResources );
+}
+
+static void closeResource( KConfig& config, ResourceMap& map )
+{
+  ResourceMap::ConstIterator it;
+  for ( it = map.begin(); it != map.end(); ++it ) {
+    config.setGroup( it.key() );
+    config.writeEntry( "Active", it.data().active() );
+  }
+}
+
+void ResourceKolab::doClose()
+{
+  if ( !mOpen )
+    // Not open
+    return;
+  mOpen = false;
+
+  KConfig config( configFile() );
+  closeResource( config, mEventSubResources );
+  closeResource( config, mTodoSubResources );
+  closeResource( config, mJournalSubResources );
+}
+
+bool ResourceKolab::loadSubResource( const QString& subResource,
+                                     const char* mimetype )
+{
+  int count = 0;
+  if ( !kmailIncidencesCount( count, mimetype, subResource ) ) {
+    kdError(5650) << "Communication problem in ResourceKolab::load()\n";
+    return false;
+  }
+
+  if ( !count )
+    return true;
+
+  const int nbMessages = 200; // read 200 mails at a time (see kabc resource)
+
+  const QString labelTxt = !strcmp(mimetype, "application/x-vnd.kolab.task") ? i18n( "Loading tasks..." )
+                           : !strcmp(mimetype, "application/x-vnd.kolab.journal") ? i18n( "Loading journals..." )
+                           : i18n( "Loading events..." );
+  const bool useProgress = qApp && qApp->type() != QApplication::Tty && count > mProgressDialogIncidenceLimit;
+  if ( useProgress )
+    (void)::Observer::self(); // ensure kio_uiserver is running
+  UIServer_stub uiserver( "kio_uiserver", "UIServer" );
+  int progressId = 0;
+  if ( useProgress ) {
+    progressId = uiserver.newJob( kapp->dcopClient()->appId(), true );
+    uiserver.totalFiles( progressId, count );
+    uiserver.infoMessage( progressId, labelTxt );
+    uiserver.transferring( progressId, labelTxt );
+  }
+
+  for ( int startIndex = 0; startIndex < count; startIndex += nbMessages ) {
+    QMap<Q_UINT32, QString> lst;
+    if ( !kmailIncidences( lst, mimetype, subResource, startIndex, nbMessages ) ) {
+      kdError(5650) << "Communication problem in ResourceKolab::load()\n";
+      if ( progressId )
+        uiserver.jobFinished( progressId );
+      return false;
+    }
+
+    { // for RAII scoping below
+      TemporarySilencer t( this );
+      for( QMap<Q_UINT32, QString>::ConstIterator it = lst.begin(); it != lst.end(); ++it ) {
+        addIncidence( mimetype, it.data(), subResource, it.key() );
+      }
+    }
+    if ( progressId ) {
+      uiserver.processedFiles( progressId, startIndex );
+      uiserver.percent( progressId, 100 * startIndex / count );
+    }
+
+//    if ( progress.wasCanceled() ) {
+//      uiserver.jobFinished( progressId );
+//      return false;
+//    }
+  }
+
+  if ( progressId )
+    uiserver.jobFinished( progressId );
+  return true;
+}
+
+bool ResourceKolab::doLoad()
+{
+  if (!mUidMap.isEmpty() ) {
+    return true;
+  }
+  mUidMap.clear();
+
+  return loadAllEvents() & loadAllTodos() & loadAllJournals();
+}
+
+bool ResourceKolab::doLoadAll( ResourceMap& map, const char* mimetype )
+{
+  bool rc = true;
+  for ( ResourceMap::ConstIterator it = map.begin(); it != map.end(); ++it ) {
+    if ( !it.data().active() )
+      // This resource is disabled
+      continue;
+
+    rc &= loadSubResource( it.key(), mimetype );
+  }
+  return rc;
+}
+
+bool ResourceKolab::loadAllEvents()
+{
+  removeIncidences( "Event" );
+  mCalendar.deleteAllEvents();
+  bool kolabStyle = doLoadAll( mEventSubResources, eventAttachmentMimeType );
+  bool icalStyle = doLoadAll( mEventSubResources, incidenceInlineMimeType );
+  return kolabStyle && icalStyle;
+}
+
+bool ResourceKolab::loadAllTodos()
+{
+  removeIncidences( "Todo" );
+  mCalendar.deleteAllTodos();
+  bool kolabStyle = doLoadAll( mTodoSubResources, todoAttachmentMimeType );
+  bool icalStyle = doLoadAll( mTodoSubResources, incidenceInlineMimeType );
+
+  return kolabStyle && icalStyle;
+}
+
+bool ResourceKolab::loadAllJournals()
+{
+  removeIncidences( "Journal" );
+  mCalendar.deleteAllJournals();
+  bool kolabStyle = doLoadAll( mJournalSubResources, journalAttachmentMimeType );
+  bool icalStyle = doLoadAll( mJournalSubResources, incidenceInlineMimeType );
+
+  return kolabStyle && icalStyle;
+}
+
+void ResourceKolab::removeIncidences( const QCString& incidenceType )
+{
+  Kolab::UidMap::Iterator mapIt = mUidMap.begin();
+  while ( mapIt != mUidMap.end() )
+  {
+    Kolab::UidMap::Iterator it = mapIt++;
+    // Check the type of this uid: event, todo or journal.
+    // Need to look up in mCalendar for that. Given the implementation of incidence(uid),
+    // better call event(uid), todo(uid) etc. directly.
+
+    // A  faster but hackish way would probably be to check the type of the resource,
+    // like mEventSubResources.find( it.data().resource() ) != mEventSubResources.end() ?
+    const QString& uid = it.key();
+    if ( incidenceType == "Event" && mCalendar.event( uid ) )
+      mUidMap.remove( it );
+    else if ( incidenceType == "Todo" && mCalendar.todo( uid ) )
+      mUidMap.remove( it );
+    else if ( incidenceType == "Journal" && mCalendar.journal( uid ) )
+      mUidMap.remove( it );
+  }
+}
+
+bool ResourceKolab::doSave()
+{
+  return true;
+  /*
+  return kmailTriggerSync( kmailCalendarContentsType )
+      && kmailTriggerSync( kmailTodoContentsType )
+      && kmailTriggerSync( kmailJournalContentsType );
+  */
+}
+void ResourceKolab::incidenceUpdatedSilent( KCal::IncidenceBase* incidencebase)
+{
+ const QString uid = incidencebase->uid();
+  //kdDebug() << k_funcinfo << uid << endl;
+
+  if ( mUidsPendingUpdate.contains( uid ) || mUidsPendingAdding.contains( uid ) ) {
+    /* We are currently processing this event ( removing and readding or
+     * adding it ). If so, ignore this update. Keep the last of these around
+     * and process once we hear back from KMail on this event. */
+    mPendingUpdates.replace( uid, incidencebase );
+    return;
+  }
+
+  QString subResource;
+  Q_UINT32 sernum = 0;
+  if ( mUidMap.contains( uid ) ) {
+    subResource = mUidMap[ uid ].resource();
+    sernum = mUidMap[ uid ].serialNumber();
+    mUidsPendingUpdate.append( uid );
+  }
+  sendKMailUpdate( incidencebase, subResource, sernum );
+
+}
+void ResourceKolab::incidenceUpdated( KCal::IncidenceBase* incidencebase )
+{
+  if ( incidencebase->isReadOnly() ) return;
+  incidencebase->setSyncStatusSilent( KCal::Event::SYNCMOD );
+  incidencebase->setLastModified( QDateTime::currentDateTime() );
+  // we should probably update the revision number here,
+  // or internally in the Event itself when certain things change.
+  // need to verify with ical documentation.
+  incidenceUpdatedSilent( incidencebase );
+
+}
+
+void ResourceKolab::resolveConflict( KCal::Incidence* inc, const QString& subresource, Q_UINT32 sernum )
+{
+    if ( ! inc )
+        return;
+    if ( ! mResolveConflict ) {
+        // we should do no conflict resolution
+        delete inc;
+        return;
+    }
+    const QString origUid = inc->uid();
+    Incidence* local = mCalendar.incidence( origUid );
+    Incidence* localIncidence = 0;
+    Incidence* addedIncidence = 0;
+    Incidence*  result = 0;
+    if ( local ) {
+      if (*local == *inc) {
+        // real duplicate, remove the second one
+        result = local;
+      } else {
+        KIncidenceChooser* ch = new KIncidenceChooser();
+        ch->setIncidence( local ,inc );
+        if ( KIncidenceChooser::chooseMode == KIncidenceChooser::ask ) {
+          connect ( this, SIGNAL( useGlobalMode() ), ch, SLOT (  useGlobalMode() ) );
+          if ( ch->exec() )
+            if ( KIncidenceChooser::chooseMode != KIncidenceChooser::ask )
+              emit useGlobalMode() ;
+        }
+        result = ch->getIncidence();
+        delete ch;
+      }
+    } else {
+      // nothing there locally, just take the new one. Can't Happen (TM)
+      result = inc;
+    }
+    if ( result == local ) {
+        delete inc;
+        localIncidence = local;
+    } else  if ( result == inc ) {
+        addedIncidence = inc;
+    } else if ( result == 0 ) { // take both
+        addedIncidence = inc;
+        addedIncidence->setSummary( i18n("Copy of: %1").arg( addedIncidence->summary() ) );
+        addedIncidence->setUid( CalFormat::createUniqueId() );
+        localIncidence = local;
+    }
+    bool silent = mSilent;
+    mSilent = false;
+    if ( !localIncidence ) {
+        deleteIncidence( local ); // remove local from kmail
+    }
+    mUidsPendingDeletion.append( origUid );
+    if ( addedIncidence  ) {
+        sendKMailUpdate( addedIncidence, subresource, sernum );
+    } else {
+        kmailDeleteIncidence( subresource, sernum );// remove new from kmail
+    }
+    mSilent = silent;
+}
+void ResourceKolab::addIncidence( const char* mimetype, const QString& data,
+                                  const QString& subResource, Q_UINT32 sernum )
+{
+  // This uses pointer comparison, so it only works if we use the static
+  // objects defined in the top of the file
+  if ( mimetype == eventAttachmentMimeType )
+    addEvent( data, subResource, sernum );
+  else if ( mimetype == todoAttachmentMimeType )
+    addTodo( data, subResource, sernum );
+  else if ( mimetype == journalAttachmentMimeType )
+    addJournal( data, subResource, sernum );
+  else if ( mimetype == incidenceInlineMimeType ) {
+    Incidence *inc = mFormat.fromString( data );
+    addIncidence( inc, subResource, sernum );
+  }
+}
+
+
+bool ResourceKolab::sendKMailUpdate( KCal::IncidenceBase* incidencebase, const QString& subresource,
+                                     Q_UINT32 sernum )
+{
+  const QString& type = incidencebase->type();
+  const char* mimetype = 0;
+  QString data;
+  bool isXMLStorageFormat = kmailStorageFormat( subresource ) == KMailICalIface::StorageXML;
+  if ( type == "Event" ) {
+    if( isXMLStorageFormat ) {
+      mimetype = eventAttachmentMimeType;
+      data = Kolab::Event::eventToXML( static_cast<KCal::Event *>(incidencebase),
+          mCalendar.timeZoneId() );
+    } else {
+      mimetype = incidenceInlineMimeType;
+      data = mFormat.createScheduleMessage( static_cast<KCal::Event *>(incidencebase),
+          Scheduler::Request );
+    }
+  } else if ( type == "Todo" ) {
+    if( isXMLStorageFormat ) {
+      mimetype = todoAttachmentMimeType;
+      data = Kolab::Task::taskToXML( static_cast<KCal::Todo *>(incidencebase),
+          mCalendar.timeZoneId() );
+    } else {
+      mimetype = incidenceInlineMimeType;
+      data = mFormat.createScheduleMessage( static_cast<KCal::Todo *>(incidencebase),
+          Scheduler::Request );
+    }
+  } else if ( type == "Journal" ) {
+    if( isXMLStorageFormat ) {
+      mimetype = journalAttachmentMimeType;
+      data = Kolab::Journal::journalToXML( static_cast<KCal::Journal *>(incidencebase ),
+          mCalendar.timeZoneId() );
+    } else {
+      mimetype = incidenceInlineMimeType;
+      data = mFormat.createScheduleMessage( static_cast<KCal::Journal *>(incidencebase),
+          Scheduler::Request );
+    }
+  } else {
+    kdWarning(5006) << "Can't happen: unhandled type=" << type << endl;
+  }
+
+//  kdDebug() << k_funcinfo << "Data string:\n" << data << endl;
+
+  KCal::Incidence* incidence = static_cast<KCal::Incidence *>( incidencebase );
+
+  KCal::Attachment::List atts = incidence->attachments();
+  QStringList attURLs, attMimeTypes, attNames;
+  QValueList<KTempFile*> tmpFiles;
+  for ( KCal::Attachment::List::ConstIterator it = atts.constBegin(); it != atts.constEnd(); ++it ) {
+    KTempFile* tempFile = new KTempFile;
+    QCString decoded = KCodecs::base64Decode( QCString( (*it)->data() ) );
+    tempFile->file()->writeBlock( decoded.data(), decoded.length() );
+    tempFile->close();
+    KURL url;
+    url.setPath( tempFile->name() );
+    attURLs.append( url.url() );
+    attMimeTypes.append( (*it)->mimeType() );
+    attNames.append( (*it)->label() );
+  }
+  QStringList deletedAtts;
+  if ( kmailListAttachments( deletedAtts, subresource, sernum ) ) {
+    for ( QStringList::ConstIterator it = attNames.constBegin(); it != attNames.constEnd(); ++it ) {
+      deletedAtts.remove( *it );
+    }
+  }
+  CustomHeaderMap customHeaders;
+  if ( incidence->schedulingID() != incidence->uid() )
+    customHeaders.insert( "X-Kolab-SchedulingID", incidence->schedulingID() );
+
+  QString subject = incidencebase->uid();
+  if ( !isXMLStorageFormat ) subject.prepend( "iCal " ); // conform to the old style
+
+  // behold, sernum is an in-parameter
+  const bool rc = kmailUpdate( subresource, sernum, data, mimetype, subject, customHeaders, attURLs, attMimeTypes, attNames, deletedAtts );
+  // update the serial number
+  if ( mUidMap.contains( incidencebase->uid() ) ) {
+    mUidMap[ incidencebase->uid() ].setSerialNumber( sernum );
+  }
+
+  for( QValueList<KTempFile *>::Iterator it = tmpFiles.begin(); it != tmpFiles.end(); ++it ) {
+    (*it)->setAutoDelete( true );
+    delete (*it);
+  }
+
+  return rc;
+}
+
+bool ResourceKolab::addIncidence( KCal::Incidence* incidence, const QString& _subresource,
+                                  Q_UINT32 sernum )
+{
+  Q_ASSERT( incidence );
+  if ( !incidence ) return false;
+  QString uid = incidence->uid();
+  QString subResource = _subresource;
+
+  Kolab::ResourceMap *map = &mEventSubResources; // don't use a ref here!
+
+  const QString& type = incidence->type();
+  if ( type == "Event" )
+    map = &mEventSubResources;
+  else if ( type == "Todo" )
+    map = &mTodoSubResources;
+  else if ( type == "Journal" )
+    map = &mJournalSubResources;
+  else
+    kdWarning() << "unknown type " << type << endl;
+
+  if ( !mSilent ) { /* We got this one from the user, tell KMail. */
+    // Find out if this event was previously stored in KMail
+    bool newIncidence = _subresource.isEmpty();
+    if ( newIncidence ) {
+      // Add a description of the incidence
+      QString text = "<b><font size=\"+1\">";
+      if ( incidence->type() == "Event" )
+        text += i18n( "Choose the folder where you want to store this event" );
+      else if ( incidence->type() == "Todo" )
+        text += i18n( "Choose the folder where you want to store this task" );
+      else
+        text += i18n( "Choose the folder where you want to store this incidence" );
+      text += "<font></b><br>";
+      if ( !incidence->summary().isEmpty() )
+        text += i18n( "<b>Summary:</b> %1" ).arg( incidence->summary() ) + "<br>";
+      if ( !incidence->location().isEmpty() )
+        text += i18n( "<b>Location:</b> %1" ).arg( incidence->location() );
+      text += "<br>";
+      if ( !incidence->doesFloat() )
+        text += i18n( "<b>Start:</b> %1, %2" )
+                .arg( incidence->dtStartDateStr(), incidence->dtStartTimeStr() );
+      else
+        text += i18n( "<b>Start:</b> %1" ).arg( incidence->dtStartDateStr() );
+      text += "<br>";
+      if ( incidence->type() == "Event" ) {
+        Event* event = static_cast<Event*>( incidence );
+        if ( event->hasEndDate() )
+          if ( !event->doesFloat() )
+            text += i18n( "<b>End:</b> %1, %2" )
+                    .arg( event->dtEndDateStr(), event->dtEndTimeStr() );
+          else
+            text += i18n( "<b>End:</b> %1" ).arg( event->dtEndDateStr() );
+        text += "<br>";
+      }
+      subResource = findWritableResource( *map, text );
+    }
+
+    if ( subResource.isEmpty() )
+      return false;
+
+    mNewIncidencesMap.insert( uid, subResource );
+
+    if ( !sendKMailUpdate( incidence, subResource, sernum ) ) {
+      kdError(5650) << "Communication problem in ResourceKolab::addIncidence()\n";
+      return false;
+    } else {
+      // KMail is doing it's best to add the event now, put a sticker on it,
+      // so we know it's one of our transient ones
+      mUidsPendingAdding.append( uid );
+
+      /* Add to the cache immediately if this is a new event coming from
+       * KOrganizer. It relies on the incidence being in the calendar when
+       * addIncidence returns. */
+      if ( newIncidence ) {
+        mCalendar.addIncidence( incidence );
+        incidence->registerObserver( this );
+      }
+    }
+  } else { /* KMail told us */
+    bool ourOwnUpdate = mUidsPendingUpdate.contains(  uid );
+    /* Check if we updated this one, which means kmail deleted and added it.
+     * We know the new state, so lets just not do much at all. The old incidence
+     * in the calendar remains valid, but the serial number changed, so we need to
+     * update that */
+    if ( ourOwnUpdate ) {
+      mUidsPendingUpdate.remove( uid );
+      mUidMap.remove( uid );
+      mUidMap[ uid ] = StorageReference( subResource, sernum );
+    } else {
+      /* This is a real add, from KMail, we didn't trigger this ourselves.
+       * If this uid already exists in this folder, do conflict resolution,
+       * unless the folder is read-only, in which case the user should not be
+       * offered a means of putting mails in a folder she'll later be unable to
+       * upload. Skip the incidence, in this case. */
+      if ( mUidMap.contains( uid ) ) {
+        if ( mUidMap[ uid ].resource() == subResource ) {
+          if ( (*map)[ subResource ].writable() ) {
+            resolveConflict( incidence, subResource, sernum );
+          } else {
+            kdWarning( 5650 ) << "Duplicate event in a read-only folder detected! "
+              "Please inform the owner of the folder. " << endl;
+          }
+          return true;
+        } else {
+          // duplicate uid in a different folder, do the internal-uid tango
+          incidence->setSchedulingID( uid );
+          incidence->setUid(CalFormat::createUniqueId( ) );
+          uid = incidence->uid();
+        }
+      }
+      /* Add to the cache if the add didn't come from KOrganizer, in which case
+       * we've already added it, and listen to updates from KOrganizer for it. */
+      if ( !mUidsPendingAdding.contains( uid ) ) {
+        mCalendar.addIncidence( incidence );
+        incidence->registerObserver( this );
+      }
+      if ( !subResource.isEmpty() && sernum != 0 ) {
+        mUidMap[ uid ] = StorageReference( subResource, sernum );
+        incidence->setReadOnly( !(*map)[ subResource ].writable() );
+      }
+    }
+    /* Check if there are updates for this uid pending and if so process them. */
+    if ( KCal::IncidenceBase *update = mPendingUpdates.find( uid ) ) {
+      mSilent = false; // we do want to tell KMail
+      mPendingUpdates.remove( uid );
+      incidenceUpdated( update );
+    } else {
+      /* If the uid was added by KMail, KOrganizer needs to be told, so
+       * schedule emitting of the resourceChanged signal. */
+      if ( !mUidsPendingAdding.contains( uid ) ) {
+        if ( !ourOwnUpdate ) mResourceChangedTimer.changeInterval( 100 );
+      } else {
+        mUidsPendingAdding.remove( uid );
+      }
+    }
+
+    mNewIncidencesMap.remove( uid );
+  }
+  return true;
+}
+
+
+bool ResourceKolab::addEvent( KCal::Event* event )
+{
+  if ( mUidMap.contains( event->uid() ) )
+    return true; //noop
+  else
+    return addIncidence( event, QString::null, 0 );
+}
+
+void ResourceKolab::addEvent( const QString& xml, const QString& subresource,
+                              Q_UINT32 sernum )
+{
+  KCal::Event* event = Kolab::Event::xmlToEvent( xml, mCalendar.timeZoneId(), this, subresource, sernum );
+  Q_ASSERT( event );
+  if( event ) {
+      addIncidence( event, subresource, sernum );
+  }
+}
+
+bool ResourceKolab::deleteIncidence( KCal::Incidence* incidence )
+{
+  if ( incidence->isReadOnly() ) return false;
+
+  const QString uid = incidence->uid();
+  if( !mUidMap.contains( uid ) ) return false; // Odd
+  /* The user told us to delete, tell KMail */
+  if ( !mSilent ) {
+    kmailDeleteIncidence( mUidMap[ uid ].resource(),
+                          mUidMap[ uid ].serialNumber() );
+    mUidsPendingDeletion.append( uid );
+    incidence->unRegisterObserver( this );
+    mCalendar.deleteIncidence( incidence );
+    mUidMap.remove( uid );
+  } else {
+    assert( false ); // If this still happens, something is very wrong
+  }
+  return true;
+}
+
+bool ResourceKolab::deleteEvent( KCal::Event* event )
+{
+  return deleteIncidence( event );
+}
+
+KCal::Event* ResourceKolab::event( const QString& uid )
+{
+  return mCalendar.event(uid);
+}
+
+KCal::Event::List ResourceKolab::rawEvents( EventSortField sortField, SortDirection sortDirection )
+{
+  return mCalendar.rawEvents( sortField, sortDirection );
+}
+
+KCal::Event::List ResourceKolab::rawEventsForDate( const QDate& date,
+                                                   EventSortField sortField,
+                                                   SortDirection sortDirection )
+{
+  return mCalendar.rawEventsForDate( date, sortField, sortDirection );
+}
+
+KCal::Event::List ResourceKolab::rawEventsForDate( const QDateTime& qdt )
+{
+  return mCalendar.rawEventsForDate( qdt );
+}
+
+KCal::Event::List ResourceKolab::rawEvents( const QDate& start,
+                                            const QDate& end,
+                                            bool inclusive )
+{
+  return mCalendar.rawEvents( start, end, inclusive );
+}
+
+bool ResourceKolab::addTodo( KCal::Todo* todo )
+{
+  if ( mUidMap.contains( todo->uid() ) )
+    return true; //noop
+  else
+    return addIncidence( todo, QString::null, 0 );
+}
+
+void ResourceKolab::addTodo( const QString& xml, const QString& subresource,
+                             Q_UINT32 sernum )
+{
+  KCal::Todo* todo = Kolab::Task::xmlToTask( xml, mCalendar.timeZoneId(), this, subresource, sernum );
+  Q_ASSERT( todo );
+  if( todo )
+      addIncidence( todo, subresource, sernum );
+}
+
+bool ResourceKolab::deleteTodo( KCal::Todo* todo )
+{
+  return deleteIncidence( todo );
+}
+
+KCal::Todo* ResourceKolab::todo( const QString& uid )
+{
+  return mCalendar.todo( uid );
+}
+
+KCal::Todo::List ResourceKolab::rawTodos( TodoSortField sortField, SortDirection sortDirection )
+{
+  return mCalendar.rawTodos( sortField, sortDirection );
+}
+
+KCal::Todo::List ResourceKolab::rawTodosForDate( const QDate& date )
+{
+  return mCalendar.rawTodosForDate( date );
+}
+
+bool ResourceKolab::addJournal( KCal::Journal* journal )
+{
+  if ( mUidMap.contains( journal->uid() ) )
+    return true; //noop
+  else
+    return addIncidence( journal, QString::null, 0 );
+}
+
+void ResourceKolab::addJournal( const QString& xml, const QString& subresource,
+                                Q_UINT32 sernum )
+{
+  KCal::Journal* journal =
+    Kolab::Journal::xmlToJournal( xml, mCalendar.timeZoneId() );
+  Q_ASSERT( journal );
+  if( journal ) {
+      addIncidence( journal, subresource, sernum );
+  }
+}
+
+bool ResourceKolab::deleteJournal( KCal::Journal* journal )
+{
+  return deleteIncidence( journal );
+}
+
+KCal::Journal* ResourceKolab::journal( const QString& uid )
+{
+  return mCalendar.journal(uid);
+}
+
+KCal::Journal::List ResourceKolab::rawJournals( JournalSortField sortField, SortDirection sortDirection )
+{
+  return mCalendar.rawJournals( sortField, sortDirection );
+}
+
+KCal::Journal::List ResourceKolab::rawJournalsForDate( const QDate &date )
+{
+  return mCalendar.rawJournalsForDate( date );
+}
+
+KCal::Alarm::List ResourceKolab::relevantAlarms( const KCal::Alarm::List &alarms )
+{
+  KCal::Alarm::List relevantAlarms;
+  KCal::Alarm::List::ConstIterator it( alarms.begin() );
+  while ( it != alarms.end() ) {
+    KCal::Alarm *a = (*it);
+    ++it;
+    const QString &uid = a->parent()->uid();
+     if ( mUidMap.contains( uid ) ) {
+       const QString &sr = mUidMap[ uid ].resource();
+       Kolab::SubResource *subResource = 0;
+       if ( mEventSubResources.contains( sr ) )
+          subResource = &( mEventSubResources[ sr ] );
+       else if ( mTodoSubResources.contains( sr ) )
+          subResource = &( mTodoSubResources[ sr ] );
+       assert( subResource );
+       if ( subResource->alarmRelevant() )
+           relevantAlarms.append ( a );
+       else {
+         kdDebug(5650) << "Alarm skipped, not relevant." << endl;
+       }
+     }
+  }
+  return relevantAlarms;
+}
+
+
+
+KCal::Alarm::List ResourceKolab::alarms( const QDateTime& from,
+                                         const QDateTime& to )
+{
+  return relevantAlarms( mCalendar.alarms( from, to ) );
+}
+
+KCal::Alarm::List ResourceKolab::alarmsTo( const QDateTime& to )
+{
+  return relevantAlarms( mCalendar.alarmsTo(to) );
+}
+
+void ResourceKolab::setTimeZoneId( const QString& tzid )
+{
+  mCalendar.setTimeZoneId( tzid );
+  mFormat.setTimeZone( mCalendar.timeZoneId(), !mCalendar.isLocalTime() );
+}
+
+bool ResourceKolab::fromKMailAddIncidence( const QString& type,
+                                           const QString& subResource,
+                                           Q_UINT32 sernum,
+                                           int format,
+                                           const QString& data )
+{
+  bool rc = true;
+  TemporarySilencer t( this ); // RAII
+  if ( type != kmailCalendarContentsType && type != kmailTodoContentsType
+       && type != kmailJournalContentsType )
+    // Not ours
+    return false;
+  if ( !subresourceActive( subResource ) ) return true;
+
+  if ( format == KMailICalIface::StorageXML ) {
+    // If this data file is one of ours, load it here
+    if ( type == kmailCalendarContentsType )
+      addEvent( data, subResource, sernum );
+    else if ( type == kmailTodoContentsType )
+      addTodo( data, subResource, sernum );
+    else if ( type == kmailJournalContentsType )
+      addJournal( data, subResource, sernum );
+    else
+      rc = false;
+  } else {
+    Incidence *inc = mFormat.fromString( data );
+    if ( !inc )
+      rc = false;
+    else
+      addIncidence( inc, subResource, sernum );
+  }
+  return rc;
+}
+
+void ResourceKolab::fromKMailDelIncidence( const QString& type,
+                                           const QString& subResource,
+                                           const QString& uid )
+{
+  if ( type != kmailCalendarContentsType && type != kmailTodoContentsType
+       && type != kmailJournalContentsType )
+    // Not ours
+    return;
+  if ( !subresourceActive( subResource ) ) return;
+
+  // Can't be in both, by contract
+  if ( mUidsPendingDeletion.find( uid ) != mUidsPendingDeletion.end() ) {
+    mUidsPendingDeletion.remove( mUidsPendingDeletion.find( uid ) );
+  } else if ( mUidsPendingUpdate.contains( uid ) ) {
+    // It's good to know if was deleted, but we are waiting on a new one to
+    // replace it, so let's just sit tight.
+  } else {
+    // We didn't trigger this, so KMail did, remove the reference to the uid
+    KCal::Incidence* incidence = mCalendar.incidence( uid );
+    if( incidence ) {
+      incidence->unRegisterObserver( this );
+      mCalendar.deleteIncidence( incidence );
+    }
+    mUidMap.remove( uid );
+    mResourceChangedTimer.changeInterval( 100 );
+  }
+}
+
+void ResourceKolab::fromKMailRefresh( const QString& type,
+                                      const QString& /*subResource*/ )
+{
+  // TODO: Only load the specified subResource
+  if ( type == "Calendar" )
+    loadAllEvents();
+  else if ( type == "Task" )
+    loadAllTodos();
+  else if ( type == "Journal" )
+    loadAllJournals();
+  else
+    kdWarning(5006) << "KCal Kolab resource: fromKMailRefresh: unknown type " << type << endl;
+  mResourceChangedTimer.changeInterval( 100 );
+}
+
+void ResourceKolab::fromKMailAddSubresource( const QString& type,
+                                             const QString& subResource,
+                                             const QString& label,
+                                             bool writable, bool alarmRelevant )
+{
+  ResourceMap* map = 0;
+  const char* mimetype = 0;
+  if ( type == kmailCalendarContentsType ) {
+    map = &mEventSubResources;
+    mimetype = eventAttachmentMimeType;
+  } else if ( type == kmailTodoContentsType ) {
+    map = &mTodoSubResources;
+    mimetype = todoAttachmentMimeType;
+  } else if ( type == kmailJournalContentsType ) {
+    map = &mJournalSubResources;
+    mimetype = journalAttachmentMimeType;
+  } else
+    // Not ours
+    return;
+
+  if ( map->contains( subResource ) )
+    // Already registered
+    return;
+
+  KConfig config( configFile() );
+  config.setGroup( subResource );
+
+  bool active = config.readBoolEntry( subResource, true );
+  (*map)[ subResource ] = Kolab::SubResource( active, writable,
+                                              alarmRelevant, label );
+  loadSubResource( subResource, mimetype );
+  emit signalSubresourceAdded( this, type, subResource, label );
+}
+
+void ResourceKolab::fromKMailDelSubresource( const QString& type,
+                                             const QString& subResource )
+{
+  ResourceMap* map = subResourceMap( type );
+  if ( !map ) // not ours
+    return;
+  if ( map->contains( subResource ) )
+    map->erase( subResource );
+  else
+    // Not registered
+    return;
+
+  // Delete from the config file
+  KConfig config( configFile() );
+  config.deleteGroup( subResource );
+  config.sync();
+
+  unloadSubResource( subResource );
+
+  emit signalSubresourceRemoved( this, type, subResource );
+}
+
+QStringList ResourceKolab::subresources() const
+{
+  // Workaround: The ResourceView in KOrganizer wants to know this
+  // before it opens the resource :-( Make sure we are open
+  const_cast<ResourceKolab*>( this )->doOpen();
+  return ( mEventSubResources.keys()
+         + mTodoSubResources.keys()
+         + mJournalSubResources.keys() );
+}
+
+const QString
+ResourceKolab::labelForSubresource( const QString& subresource ) const
+{
+  if ( mEventSubResources.contains( subresource ) )
+    return mEventSubResources[ subresource ].label();
+  if ( mTodoSubResources.contains( subresource ) )
+    return mTodoSubResources[ subresource ].label();
+  if ( mJournalSubResources.contains( subresource ) )
+    return mJournalSubResources[ subresource ].label();
+  return subresource;
+}
+
+void ResourceKolab::fromKMailAsyncLoadResult( const QMap<Q_UINT32, QString>& map,
+                                              const QString& type,
+                                              const QString& folder )
+{
+  TemporarySilencer t( this );
+  for( QMap<Q_UINT32, QString>::ConstIterator it = map.begin(); it != map.end(); ++it )
+    addIncidence( type.latin1(), it.data(), folder, it.key() );
+}
+
+bool ResourceKolab::subresourceActive( const QString& subresource ) const
+{
+  // Workaround: The ResourceView in KOrganizer wants to know this
+  // before it opens the resource :-( Make sure we are open
+  const_cast<ResourceKolab*>( this )->doOpen();
+
+  if ( mEventSubResources.contains( subresource ) )
+    return mEventSubResources[ subresource ].active();
+  if ( mTodoSubResources.contains( subresource ) )
+    return mTodoSubResources[ subresource ].active();
+  if ( mJournalSubResources.contains( subresource ) )
+    return mJournalSubResources[ subresource ].active();
+
+  // Safe default bet:
+  kdDebug(5650) << "subresourceActive( " << subresource << " ): Safe bet\n";
+
+  return true;
+}
+
+void ResourceKolab::setSubresourceActive( const QString &subresource, bool v )
+{
+  ResourceMap *map = 0;
+  const char* mimeType = 0;
+  if ( mEventSubResources.contains( subresource ) ) {
+     map = &mEventSubResources;
+     mimeType = eventAttachmentMimeType;
+  }
+  if ( mTodoSubResources.contains( subresource ) ) {
+     map = &mTodoSubResources;
+     mimeType = todoAttachmentMimeType;
+  }
+  if ( mJournalSubResources.contains( subresource ) ) {
+     map = &mJournalSubResources;
+     mimeType = journalAttachmentMimeType;
+  }
+
+  if ( map && ( ( *map )[ subresource ].active() != v ) ) {
+    ( *map )[ subresource ].setActive( v );
+    if ( v ) {
+        loadSubResource( subresource, mimeType );
+    } else {
+        unloadSubResource( subresource );
+    }
+    mResourceChangedTimer.changeInterval( 100 );
+  }
+}
+
+void ResourceKolab::slotEmitResourceChanged()
+{
+   kdDebug(5650) << "KCal Kolab resource: emitting resource changed " << endl;
+   mResourceChangedTimer.stop();
+   emit resourceChanged( this );
+}
+
+KABC::Lock* ResourceKolab::lock()
+{
+  return new KABC::LockNull( true );
+}
+
+
+Kolab::ResourceMap* ResourceKolab::subResourceMap( const QString& contentsType )
+{
+  if ( contentsType == kmailCalendarContentsType ) {
+    return &mEventSubResources;
+  } else if ( contentsType == kmailTodoContentsType ) {
+    return &mTodoSubResources;
+  } else if ( contentsType == kmailJournalContentsType ) {
+    return &mJournalSubResources;
+  }
+  // Not ours
+  return 0;
+}
+
+
+/*virtual*/
+bool ResourceKolab::addSubresource( const QString& resource, const QString& parent )
+{
+   kdDebug(5650) << "KCal Kolab resource - adding subresource: " << resource << endl;
+   QString contentsType = kmailCalendarContentsType;
+   if ( !parent.isEmpty() ) {
+     if ( mEventSubResources.contains( parent ) )
+       contentsType = kmailCalendarContentsType;
+     else if ( mTodoSubResources.contains( parent ) )
+       contentsType = kmailTodoContentsType;
+     else if ( mJournalSubResources.contains( parent ) )
+       contentsType = kmailJournalContentsType;
+   } else {
+     QStringList contentTypeChoices;
+     contentTypeChoices << i18n("Calendar") << i18n("Tasks") << i18n("Journals");
+     const QString caption = i18n("Which kind of subresource should this be?");
+     const QString choice = KInputDialog::getItem( caption, QString::null, contentTypeChoices );
+     if ( choice == contentTypeChoices[0] )
+       contentsType = kmailCalendarContentsType;
+     else if ( choice == contentTypeChoices[1] )
+       contentsType = kmailTodoContentsType;
+     else if ( choice == contentTypeChoices[2] )
+       contentsType = kmailJournalContentsType;
+   }
+
+   return kmailAddSubresource( resource, parent, contentsType );
+}
+
+/*virtual*/
+bool ResourceKolab::removeSubresource( const QString& resource )
+{
+   kdDebug(5650) << "KCal Kolab resource - removing subresource: " << resource << endl;
+   return kmailRemoveSubresource( resource );
+}
+
+/*virtual*/
+QString ResourceKolab::subresourceIdentifier( Incidence *incidence )
+{
+  QString uid = incidence->uid();
+  if ( mUidMap.contains( uid ) )
+    return mUidMap[ uid ].resource();
+  else
+    if ( mNewIncidencesMap.contains( uid ) )
+      return mNewIncidencesMap[ uid ];
+    else
+      return QString();
+}
+
+
+bool ResourceKolab::unloadSubResource( const QString& subResource )
+{
+    const bool silent = mSilent;
+    mSilent = true;
+    Kolab::UidMap::Iterator mapIt = mUidMap.begin();
+    while ( mapIt != mUidMap.end() )
+    {
+        Kolab::UidMap::Iterator it = mapIt++;
+        const StorageReference ref = it.data();
+        if ( ref.resource() != subResource ) continue;
+        // FIXME incidence() is expensive
+        KCal::Incidence* incidence = mCalendar.incidence( it.key() );
+        if( incidence ) {
+            incidence->unRegisterObserver( this );
+            mCalendar.deleteIncidence( incidence );
+        }
+        mUidMap.remove( it );
+    }
+    mSilent = silent;
+    return true;
+}
+
+QString ResourceKolab::subresourceType( const QString &resource )
+{
+  if ( mEventSubResources.contains( resource ) )
+    return "event";
+  if ( mTodoSubResources.contains( resource ) )
+    return "todo";
+  if ( mJournalSubResources.contains( resource ) )
+    return "journal";
+  return QString();
+}
+
+#include "resourcekolab.moc"