/*+
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:    SIMPLE Engine watcher info subscriber+
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*+
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*/+
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#ifndef M_simplewinfowatcher_H+
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#define M_simplewinfowatcher_H+
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+
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#include <e32std.h>+
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+
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// FORWARD DECLARATION+
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class MSimpleFilterDocument;+
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class MSimpleWinfo;+
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+
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/**+
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 *  MSimpleWinfoWatcher+
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 *+
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 *  SIMPLE Engine watcher info subscriber+
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 *+
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 *  @lib simpleengine+
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 *  @since S60 3.2+
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 */+
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+
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class MSimpleWinfoWatcher+
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    {+
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+
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public:+
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+
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    /**+
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     * Destroy this entity+
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     *+
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     * @since S60 3.2+
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     */+
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    virtual void Close() = 0;+
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+
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    /**+
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     * Getter for the SIMPLE engine connection.+
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     *+
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     * @since S60 3.2+
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     * @return the connection.+
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     */+
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    virtual const MSimpleConnection& Connection() = 0;+
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+
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    /**+
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     * Subscribe watcher info.+
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     *+
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     * @since S60 3.2+
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     * @param aFilter filter data, may be null and then you'll get all+
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     * the changes in WINFO.+
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     * @return operation id     +
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     */+
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    virtual TInt SubscribeWatcherListL( MSimpleFilterDocument* aFilter ) = 0;+
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+
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    /**+
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     * Unsubscribe.+
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     * Leaves with KErrNotFound if there is no active subscription.+
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     *+
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     * @since S60 3.2+
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     * @return operation id+
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     */+
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    virtual TInt UnsubscribeL( ) = 0;+
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+
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    /**+
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     * SIP Status code accessor.+
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     * Get the status of the last completed request.+
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     * Refer to RFC3261, RFC3265, RFC3903.+
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     *+
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     * @since S60 3.2+
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     * @return SIP status, 0 if not available+
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     */+
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    virtual TUint SIPStatus() = 0;+
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+
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    /**+
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     * SIP Retry-after header value accessor.+
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     * Get the SIP retry-fater header value of the last completed request.+
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     * Refer to RFC3261, RFC3265, RFC3903.     +
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     *+
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     * @since S60 3.2+
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     * @return retry-after value in seconds, 0 if not available+
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     */+
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    virtual TUint SIPRetryAfter() = 0;+
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    };+
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+
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#endif+
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+
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// End of File+
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