--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/cntlistmodel/cntabstractfetcher.h	Fri Oct 15 12:24:46 2010 +0300
@@ -0,0 +1,61 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Base classes for fetchers and their jobs.
+*
+*/
+
+#ifndef CNTABSTRACTFETCHER_H
+#define CNTABSTRACTFETCHER_H
+
+#include <qtcontacts.h>
+
+#define NoSuchJob -1
+
+QTM_USE_NAMESPACE
+
+class CntAbstractJob
+{
+public:
+    virtual ~CntAbstractJob() {}
+    virtual bool isEmpty() = 0;
+    virtual bool equals(const CntAbstractJob &other) = 0;
+    virtual QString toString() = 0;
+};
+
+class CntAbstractFetcher : public QObject
+{
+    Q_OBJECT
+public:
+    CntAbstractFetcher(int maxAmountOfJobs);
+    virtual ~CntAbstractFetcher();
+
+    bool scheduleJob(CntAbstractJob *job, int priority = 0);
+    bool hasScheduledJobs();
+    bool hasCancelledJobs();
+    virtual bool isProcessingJob() = 0;
+    virtual void processNextJob() = 0;
+
+protected:
+    CntAbstractJob * takeNextJob();
+    CntAbstractJob * takeNextCancelledJob();
+    int jobIndex(CntAbstractJob *job);
+    int cancelledJobIndex(CntAbstractJob *job);
+
+private:
+    QList< QPair<CntAbstractJob *, int> > mJobs;          // list of all scheduled jobs and their priorities
+    QList<CntAbstractJob *> mCancelledJobs;               // list of all cancelled jobs
+    int mMaxAmountOfJobs;                                 // the maximum amount of concurrently scheduled jobs
+};
+
+#endif