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+/*
+    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 TQt library by Trolltech AS, Norway (or with modified versions
+    of TQt that use the same license as TQt), 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
+    TQt.  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.
+*/
+
+#ifndef KCAL_RESOURCEKOLAB_H
+#define KCAL_RESOURCEKOLAB_H
+
+#include <tqtimer.h>
+
+#include <tdepimmacros.h>
+#include <libkcal/calendarlocal.h>
+#include <libkcal/icalformat.h>
+#include <libkcal/resourcecalendar.h>
+#include "../shared/resourcekolabbase.h"
+
+namespace KCal {
+
+struct TemporarySilencer;
+
+class KDE_EXPORT ResourceKolab : public KCal::ResourceCalendar,
+                      public KCal::IncidenceBase::Observer,
+                      public Kolab::ResourceKolabBase
+{
+  Q_OBJECT
+  
+    friend struct TemporarySilencer;
+
+public:
+  ResourceKolab( const TDEConfig* );
+  virtual ~ResourceKolab();
+
+  /// Load resource data.
+  bool doLoad();
+
+  /// Save resource data.
+  bool doSave();
+
+  /// Open the notes resource.
+  bool doOpen();
+  /// Close the notes resource.
+  void doClose();
+
+  // The libkcal functions. See the resource for descriptions
+  KDE_DEPRECATED bool addEvent( KCal::Event *event );
+  bool addEvent( KCal::Event *event, const TQString &subResource );
+  bool deleteEvent( KCal::Event * );
+  KCal::Event* event( const TQString &UniqueStr );
+  KCal::Event::List rawEvents( EventSortField sortField = EventSortUnsorted, SortDirection sortDirection = SortDirectionAscending );
+  KCal::Event::List rawEventsForDate(
+    const TQDate& date,
+    EventSortField sortField=EventSortUnsorted,
+    SortDirection sortDirection=SortDirectionAscending );
+  KCal::Event::List rawEventsForDate( const TQDateTime& qdt );
+  KCal::Event::List rawEvents( const TQDate& start, const TQDate& end,
+                               bool inclusive = false );
+
+  KDE_DEPRECATED bool addTodo( KCal::Todo * todo );
+  bool addTodo( KCal::Todo *todo, const TQString &subResource );
+  bool deleteTodo( KCal::Todo * );
+  KCal::Todo* todo( const TQString &uid );
+  KCal::Todo::List rawTodos( TodoSortField sortField = TodoSortUnsorted, SortDirection sortDirection = SortDirectionAscending );
+  KCal::Todo::List rawTodosForDate( const TQDate& date );
+
+  KDE_DEPRECATED bool addJournal( KCal::Journal * );
+  bool addJournal( KCal::Journal *, const TQString &subResource );
+  bool deleteJournal( KCal::Journal * );
+  KCal::Journal* journal( const TQString &uid );
+  KCal::Journal::List rawJournals( JournalSortField sortField = JournalSortUnsorted, SortDirection sortDirection = SortDirectionAscending );
+  KCal::Journal::List rawJournalsForDate( const TQDate &date );
+
+  KCal::Alarm::List alarms( const TQDateTime& from, const TQDateTime& to );
+  KCal::Alarm::List alarmsTo( const TQDateTime& to );
+
+  void setTimeZoneId( const TQString& tzid );
+
+  bool deleteIncidence( KCal::Incidence* i );
+
+  /// The ResourceKolabBase methods called by KMail
+  bool fromKMailAddIncidence( const TQString& type, const TQString& subResource,
+                              TQ_UINT32 sernum, int format, const TQString& data );
+  void fromKMailDelIncidence( const TQString& type, const TQString& subResource,
+                              const TQString& uid );
+  void fromKMailRefresh( const TQString& type, const TQString& subResource );
+
+  /// Listen to KMail changes in the amount of sub resources
+  void fromKMailAddSubresource( const TQString& type, const TQString& subResource,
+                                const TQString& label, bool writable,
+                                bool alarmRelevant );
+  void fromKMailDelSubresource( const TQString& type, const TQString& subResource );
+
+  void fromKMailAsyncLoadResult( const TQMap<TQ_UINT32, TQString>& map,
+                                 const TQString& type,
+                                 const TQString& folder );
+
+  /** Return the list of subresources. */
+  TQStringList subresources() const;
+
+  bool canHaveSubresources() const { return true; }
+
+  /** Is this subresource active? */
+  bool subresourceActive( const TQString& ) const;
+  /** (De)activate the subresource */
+  virtual void setSubresourceActive( const TQString &, bool );
+
+  /** Is this subresource writable? */
+  bool subresourceWritable( const TQString& ) const;
+
+  /** What is the label for this subresource? */
+  virtual const TQString labelForSubresource( const TQString& resource ) const;
+
+  virtual TQString subresourceIdentifier( Incidence *incidence );
+
+  virtual bool addSubresource( const TQString& resource, const TQString& parent );
+  virtual bool removeSubresource( const TQString& resource );
+
+  virtual TQString subresourceType( const TQString &resource );
+
+  KABC::Lock* lock();
+
+  void beginAddingIncidences();
+
+  void endAddingIncidences();
+
+signals:
+  void useGlobalMode();
+protected slots:
+  void slotEmitResourceChanged();
+  void writeConfig();
+
+protected:
+  /**
+   * Return list of alarms which are relevant for the current user. These
+   * are the ones coming from folders which the user has "Administer" rights
+   * for, as per ACL */
+  KCal::Alarm::List relevantAlarms( const KCal::Alarm::List &alarms );
+
+private:
+  void removeIncidences( const TQCString& incidenceType );
+  void resolveConflict( KCal::Incidence*, const TQString& subresource, TQ_UINT32 sernum );
+  void addIncidence( const char* mimetype, const TQString& xml,
+                     const TQString& subResource, TQ_UINT32 sernum );
+
+
+  /**
+     Caller guarantees i is not null.
+   */
+  bool addIncidence( KCal::Incidence *i, const TQString& subresource,
+                     TQ_UINT32 sernum );
+
+  void addEvent( const TQString& xml, const TQString& subresource,
+                 TQ_UINT32 sernum );
+  void addTodo( const TQString& xml, const TQString& subresource,
+                TQ_UINT32 sernum );
+  void addJournal( const TQString& xml, const TQString& subresource,
+                   TQ_UINT32 sernum );
+
+
+  bool loadAllEvents();
+  bool loadAllTodos();
+  bool loadAllJournals();
+
+  bool doLoadAll( Kolab::ResourceMap& map, const char* mimetype );
+
+  /// Reimplemented from IncidenceBase::Observer to know when an incidence was changed
+  void incidenceUpdated( KCal::IncidenceBase* );
+  void incidenceUpdatedSilent( KCal::IncidenceBase* incidencebase);
+
+  bool openResource( TDEConfig& config, const char* contentType,
+                     Kolab::ResourceMap& map );
+  void loadSubResourceConfig( TDEConfig& config, const TQString& name,
+                              const TQString& label, bool writable,
+                              bool alarmRelevant, Kolab::ResourceMap& subResource );
+  bool loadSubResource( const TQString& subResource, const char* mimetype );
+  bool unloadSubResource( const TQString& subResource );
+
+  TQString configFile() const {
+    return ResourceKolabBase::configFile( "kcal" );
+  }
+
+  Kolab::ResourceMap* subResourceMap( const TQString& contentsType );
+
+  bool sendKMailUpdate( KCal::IncidenceBase* incidence, const TQString& _subresource,
+                        TQ_UINT32 sernum );
+
+
+  KCal::CalendarLocal mCalendar;
+
+  // The list of subresources
+  Kolab::ResourceMap mEventSubResources, mTodoSubResources, mJournalSubResources;
+
+  bool mOpen; // If the resource is open, this is true
+  TQDict<KCal::IncidenceBase> mPendingUpdates;
+  TQTimer mResourceChangedTimer;
+  ICalFormat mFormat;
+
+  /**
+    This map contains the association between a new added incidence
+    and the subresource it belongs to.
+    That's needed to return the correct mapping in subresourceIdentifier().
+
+    We can't trust on mUidMap here, because it contains only non-pending uids.
+   */
+  TQMap<TQString, TQString> mNewIncidencesMap;
+  int mProgressDialogIncidenceLimit;
+
+  /**
+   * If a user has a subresource for viewing another user's folder then it can happen
+   * that addIncidence(...) adds an incidence with an already existing UID.
+   *
+   * When this happens, addIncidence(...) sets a new random UID and stores the
+   * original UID using incidence->setSchedulingID(uid) because KCal doesn't
+   * allow two incidences to have the same UID.
+   *
+   * This map keeps track of the generated UIDs (which are local) so we can delete the
+   * right incidence inside fromKMailDelIncidence(...) whenever we sync.
+   *
+   * The key is originalUID,subResource and the value is the fake UID.
+   */
+  TQMap< TQPair<TQString, TQString>, TQString > mOriginalUID2fakeUID;
+
+  bool mBatchAddingInProgress;
+  TQMap<Kolab::ResourceType,TQString> mLastUsedResources;
+
+  /**
+     Indexed by uid, it holds the last known revision of an incidence.
+     If we receive an update where the incidence still has the same
+     revision as the last known, we ignore it and don't send it to kmail,
+     because shortly after, IncidenceChanger will increment the revision
+     and that will trigger another update.
+
+     If we didn't discard the first update, kmail would have been updated twice.
+  */
+  TQMap<TQString,int> mLastKnownRevisions;
+
+};
+
+struct TemporarySilencer {
+ TemporarySilencer( ResourceKolab *_resource )
+  {
+    resource = _resource;
+    oldValue = resource->mSilent;
+    resource->mSilent = true;
+  }
+  ~TemporarySilencer()
+  {
+    resource->mSilent = oldValue;
+  }
+  ResourceKolab *resource;
+  bool oldValue;
+};
+
+}
+
+#endif // KCAL_RESOURCEKOLAB_H