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diff --git a/libtdepim/kabcresourcecached.h b/libtdepim/kabcresourcecached.h
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+/*
+    This file is part of libtdepim.
+    Copyright (c) 2004 Tobias Koenig <tokoe@kde.org>
+
+    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.
+*/
+
+#ifndef KABC_RESOURCECACHED_H
+#define KABC_RESOURCECACHED_H
+
+#include <kabc/resource.h>
+#include <tdepimmacros.h>
+
+#include <tqdatetime.h>
+#include <tqtimer.h>
+
+#include "libemailfunctions/idmapper.h"
+
+namespace KABC {
+
+class KDE_EXPORT ResourceCached : public Resource
+{
+  Q_OBJECT
+  TQ_OBJECT
+
+  public:
+    /**
+      Reload policy.
+
+      @see setReloadPolicy(), reloadPolicy()
+    */
+    enum { ReloadNever, ReloadOnStartup, ReloadInterval };
+    /**
+      Save policy.
+
+      @see setSavePolicy(), savePolicy()
+    */
+    enum { SaveNever, SaveOnExit, SaveInterval, SaveDelayed, SaveAlways };
+
+    ResourceCached( const KConfig* );
+    ~ResourceCached();
+
+    /**
+      Set reload policy. This controls when the cache is refreshed.
+
+      ReloadNever     never reload
+      ReloadOnStartup reload when resource is started
+      ReloadInterval  reload regularly after given interval
+    */
+    void setReloadPolicy( int policy );
+    /**
+      Return reload policy.
+
+      @see setReloadPolicy()
+    */
+    int reloadPolicy() const;
+
+    /**
+      Set reload interval in minutes which is used when reload policy is
+      ReloadInterval.
+    */
+    void setReloadInterval( int minutes );
+
+    /**
+      Return reload interval in minutes.
+    */
+    int reloadInterval() const;
+
+    /**
+      Set save policy. This controls when the cache is refreshed.
+
+      SaveNever     never save
+      SaveOnExit    save when resource is exited
+      SaveInterval  save regularly after given interval
+      SaveDelayed   save after small delay
+      SaveAlways    save on every change
+    */
+    void setSavePolicy( int policy );
+    /**
+      Return save policy.
+
+      @see setsavePolicy()
+    */
+    int savePolicy() const;
+
+    /**
+      Set save interval in minutes which is used when save policy is
+      SaveInterval.
+    */
+    void setSaveInterval( int minutes );
+
+    /**
+      Return save interval in minutes.
+    */
+    int saveInterval() const;
+
+    void setupSaveTimer();
+    void setupReloadTimer();
+
+   /**
+     Reads the resource specific config from disk.
+    */
+   virtual void readConfig( KConfig *config );
+
+    /**
+      Writes the resource specific config to disk.
+     */
+    virtual void writeConfig( KConfig *config );
+
+    /**
+      Insert an addressee into the resource.
+     */
+    virtual void insertAddressee( const Addressee& );
+
+    /**
+      Removes an addressee from resource.
+     */
+    virtual void removeAddressee( const Addressee& addr );
+
+    void loadCache();
+    void saveCache();
+    void clearCache();
+    void cleanUpCache( const KABC::Addressee::List &list );
+
+    /**
+      Returns a reference to the id mapper.
+     */
+    KPIM::IdMapper& idMapper();
+
+    bool hasChanges() const;
+    void clearChanges();
+    void clearChange( const KABC::Addressee& );
+    void clearChange( const TQString& );
+
+    KABC::Addressee::List addedAddressees() const;
+    KABC::Addressee::List changedAddressees() const;
+    KABC::Addressee::List deletedAddressees() const;
+
+  protected:
+    virtual TQString cacheFile() const;
+
+    /**
+      Functions for keeping the changes persistent.
+     */
+    virtual TQString changesCacheFile( const TQString& ) const;
+    void loadChangesCache( TQMap<TQString, KABC::Addressee>&, const TQString& );
+    void loadChangesCache();
+    void saveChangesCache( const TQMap<TQString, KABC::Addressee>&, const TQString& );
+    void saveChangesCache();
+
+    void setIdMapperIdentifier();
+
+  private:
+    TQMap<TQString, KABC::Addressee> mAddedAddressees;
+    TQMap<TQString, KABC::Addressee> mChangedAddressees;
+    TQMap<TQString, KABC::Addressee> mDeletedAddressees;
+
+    KPIM::IdMapper mIdMapper;
+
+    class ResourceCachedPrivate;
+    ResourceCachedPrivate *d;
+
+    int mReloadPolicy;
+    int mReloadInterval;
+    TQTimer mKABCReloadTimer;
+    bool mReloaded;
+
+    int mSavePolicy;
+    int mSaveInterval;
+    TQTimer mKABCSaveTimer;
+
+    TQDateTime mLastLoad;
+    TQDateTime mLastSave;
+
+  protected slots:
+    void slotKABCReload();
+    void slotKABCSave();
+};
+
+}
+
+#endif