/*+
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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:  Helper class for wait notes+
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*+
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*/+
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#ifndef CCAWAITNOTE_H+
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#define CCAWAITNOTE_H+
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+
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//  INCLUDES+
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#include <aknwaitdialog.h>+
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+
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// FORWARD DECLARATIONS+
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+
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// CLASS DECLARATION+
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+
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+
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// Observer class to notice dismissing note by cancel.+
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class MCAWaitNoteObserver+
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    {+
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    public: // Interface methods+
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+
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        /**+
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         * Wait note is canceled.+
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         */+
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        virtual void NoteCanceled( TInt aButtonId ) = 0;+
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    };+
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+
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/**+
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 *  Helper class for wait notes+
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 *+
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 *  @lib chat.exe+
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 *  @since+
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 */+
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class CCAWaitNote : public CBase, public MProgressDialogCallback+
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    {+
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    public:  // Constructors and destructor+
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+
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        /**+
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         * Shows waitnote and pushes the item to cleanupstack+
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         *+
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         * @param aText 				Text to be shown in note.+
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         * @param aShowImmediately 		If ETrue waitnote is shown immediately+
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         *								(not after 1 sec delay)+
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         * @param aCanBeCanceledByUser  Do we show wait note with cancel soft key or not+
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         */+
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        IMPORT_C static CCAWaitNote* ShowWaitNoteLC( const TDesC& aText,+
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                                                     TBool aShowImmediately = EFalse,+
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                                                     TBool aCanBeCanceledByUser = EFalse,+
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                                                     MCAWaitNoteObserver* aObserver = NULL );+
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+
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        /**+
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         * Shows waitnote and pushes the item to cleanupstack+
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         *+
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         * @param aTextResource 		Resource id of text to be shown in note.+
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         * @param aShowImmediately 		If ETrue waitnote is shown immediately+
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         *								(not after 1 sec delay)+
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         * @param aCanBeCanceledByUser  Do we show wait note with cancel soft key or not+
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         */+
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        IMPORT_C static CCAWaitNote* ShowWaitNoteLC( TInt aTextResource,+
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                                                     TBool aShowImmediately = EFalse,+
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                                                     TBool aCanBeCanceledByUser = EFalse,+
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                                                     MCAWaitNoteObserver* aObserver = NULL );+
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+
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        /**+
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         * Shows waitnote, does not leave anything to cleanupstack.+
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         *+
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         * @param aTextResource 		Resource id of text to be shown in note.+
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         * @param aShowImmediately 		If ETrue waitnote is shown immediately+
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         *								(not after 1 sec delay)+
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         * @param aCanBeCanceledByUser  Do we show wait note with cancel soft key or not+
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         */+
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        IMPORT_C static CCAWaitNote* ShowWaitNoteL( TInt aTextResource,+
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                                                    TBool aShowImmediately = EFalse,+
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                                                    TBool aCanBeCanceledByUser = EFalse,+
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                                                    MCAWaitNoteObserver* aObserver = NULL );+
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        /**+
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         * Destructor.+
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         */+
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        virtual ~CCAWaitNote();+
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+
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    protected: // From MProgressDialogCallback+
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+
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        /**+
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         * From MProgressDialogCallback Get's called when a dialog is dismissed+
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         * @param aButtonId Button that was used to dismiss the dialog+
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         */+
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        IMPORT_C void DialogDismissedL( TInt aButtonId );+
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+
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+
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    public: // New functions+
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+
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        /**+
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         * Dismisses this waitnote+
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         */+
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        IMPORT_C void DismissDialog();+
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+
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+
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    private:+
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+
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        /**+
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         * C++ default constructor.+
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         */+
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        CCAWaitNote();+
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+
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        /**+
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         * By default Symbian 2nd phase constructor is private.+
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         */+
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        void ConstructL( const TDesC& aText,+
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                         TBool aShowImmediately,+
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                         TBool aCanBeCanceledByUser,+
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                         MCAWaitNoteObserver* aObserver );+
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+
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    public: // New methods+
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+
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        /**+
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         * Set wait note observer. NULL will unset this one.+
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         */+
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        IMPORT_C void SetObserver( MCAWaitNoteObserver* aObserver );+
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+
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    private: // Data+
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+
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        // Doesn't own (destroys itself)+
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        CAknWaitDialog* iWaitDialog;+
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+
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        /// Wait note observer. This will be notified when wait note is dismissed.+
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        MCAWaitNoteObserver* iObserver;+
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    };+
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+
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#endif      // CCAWAITNOTE_H+
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+
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// End of File+
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