/*

* Copyright (c) 2005-2007 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:  Phonebook 2 Group UI Extension remove from group command.

*

*/

#ifndef CPGUREMOVEFROMGROUPCMD_H

#define CPGUREMOVEFROMGROUPCMD_H

// INCLUDES

#include <e32base.h>

#include <AknProgressDialog.h> // MProgressDialogCallback

#include <MPbk2Command.h>

#include <CPbk2FetchDlg.h>

#include <MVPbkContactObserver.h>

#include <MVPbkSingleContactOperationObserver.h>

#include <MVPbkContactViewObserver.h>

#include <MVPbkContactSelector.h>

// FORWARD DECLARATIONS

class MPbk2ContactUiControl;

class MVPbkContactGroup;

class MVPbkContactStore;

class MVPbkContactLink;

class MVPbkContactLinkArray;

class MVPbkContactOperationBase;

class MVPbkContactViewBase;

class CEikProgressInfo;

class CAknProgressDialog;

class CAknInputBlock;

/**

 * Phonebook 2 progress dialog

 * If end call key is pressed,it will destroy itself in any case.

 */

class CPbk2AknProgressDialog : 

        public CAknProgressDialog

    {

    public: // Construction and destruction     

        /**

         * Constructor

         *   Use this if the length of the process is unknown but the progress

         *   can be calculated.

         * @param    aSelfPtr        Pointer to itself. The pointer must be

         *                           valid when the dialog is dismissed and it must

         *                           not be on the stack.

         * @param    aVisibilityDelayOff If set ETrue the dialog will be visible

         *                                   immediality. Use only when the length of

         *                                   the process is ALWAYS over 1.5 seconds.

         */

        CPbk2AknProgressDialog(CEikDialog** aSelfPtr,TBool aVisibilityDelayOff);

        /**

         * Destructor

         */

        virtual ~CPbk2AknProgressDialog();

    public: // From CAknProgressDialog

        /**

         *  Handle key events (part of CONE framework)

         */

       TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

    protected: // From CAknProgressDialog 

        /**

         * Called by the dialog framework, returns true if the 

         * dialog can exit, false otherwise.

         *

         * @param aButtonId  Id of the softkey which was pressed

         * @return           ETrue if the dialog can exit, false otherwise.

         */

    TBool OkToExitL(TInt aButtonId);

    private: // Data

        /// Own: The flag indicates if the end call key pressed

        TBool iEndCallKeyPressed; 

    };

/**

 * Phonebook 2 Group UI Extension remove from group command.

 */

class CPguRemoveFromGroupCmd : 

        public CActive,

        public MPbk2Command,

        private MVPbkSingleContactOperationObserver,

        private MVPbkContactObserver,

        private MVPbkContactViewObserver,

        private MProgressDialogCallback

    {

    public: // Construction and destruction

        /**

         * Creates a new instance of this class.

         *

         * @param aGroup        Link to the group to remove.

         * @param aUiControl    Contact UI control.

         * @return  A new instance of this class.

         */

        static CPguRemoveFromGroupCmd* NewLC(

                MVPbkContactLink& aGroup,

                MPbk2ContactUiControl& aUiControl );

        /**

         * Destructor.

         */

        ~CPguRemoveFromGroupCmd();

    public: // From MPbk2Command

        void ExecuteLD();

        void AddObserver(

                MPbk2CommandObserver& aObserver );

        void ResetUiControl(

                MPbk2ContactUiControl& aUiControl );

    private: // From CActive

        void DoCancel();

        void RunL();

        TInt RunError(

                TInt aError );

    private: // From MVPbkSingleContactOperationObserver

        void VPbkSingleContactOperationComplete(

                MVPbkContactOperationBase& aOperation,

                MVPbkStoreContact* aContact );

        void VPbkSingleContactOperationFailed(

                MVPbkContactOperationBase& aOperation,

                TInt aError );

    private: // From MVPbkContactObserver

        void ContactOperationCompleted(

                TContactOpResult aResult );

        void ContactOperationFailed(

                TContactOp aOpCode,

                TInt aErrorCode,

                TBool aErrorNotified );

    private: // From MVPbkContactViewObserver

        void ContactViewReady(

                MVPbkContactViewBase& aView );

        void ContactViewUnavailable(

                MVPbkContactViewBase& aView );

        void ContactAddedToView(

                MVPbkContactViewBase& aView,

                TInt aIndex,

                const MVPbkContactLink& aContactLink );

        void ContactRemovedFromView(

                MVPbkContactViewBase& aView,

                TInt aIndex,

                const MVPbkContactLink& aContactLink );

        void ContactViewError(

                MVPbkContactViewBase& aView,

                TInt aError,

                TBool aErrorNotified );

    private: // From MProgressDialogCallback

        void DialogDismissedL(

                TInt aButtonId );

    private:  // Implementation

        CPguRemoveFromGroupCmd(

                MVPbkContactLink& aContactGroup,

                MPbk2ContactUiControl& aUiControl );

        void ConstructL();

        TBool MoreContactsToRemove() const;

        TBool IsProcessDone() const;

        void StepL();

        void IssueRequest();

        void CompleteL();

        void CompleteWithError();

        void DeleteProgressNoteL();

        void RetrieveContactL(

                const MVPbkContactLink& aContactLink );

        void ConfirmRemovingL();

        void InitProgressDlgL();

        void HandleRemovingL();

        void ReactivateUIBlockL();

    private: // Data structures

        /// Process states

        enum TProcessState

            {

            ERetrieving,

            EConfirming,

            ERetrievingGroupContact,

            ERemoving,

            ECompleting,

            ECompletingWithError

            };

    private: // Data

        /// Ref: UI control

        MPbk2ContactUiControl* iUiControl;

        /// Ref: Command observer

        MPbk2CommandObserver* iCommandObserver;

        /// Own: Retrieve operation

        MVPbkContactOperationBase* iRetrieveOperation;

        /// Ref: A group where to add members

        MVPbkContactLink& iGroupLink;

        /// Own: Contact group

        MVPbkContactGroup* iContactGroup;

        /// Own: Contacts to be removed

        MVPbkContactLinkArray* iSelectedContacts;

        /// Ref: Focused contact

        const MVPbkBaseContact* iFocusedContact;

        /// Ref: Progress dialog info

        CEikProgressInfo* iProgressDlgInfo;

        /// Own: Indicates whether this object has been destroyed

        TBool iDestroyed;

        /// Own: Progress note dialog

        CAknProgressDialog* iProgressDialog;

        /// Own: Count of contacts succesfully removed

        TInt iRemovedCount;

        /// Own: Dialog dismissed flag

        TBool iDialogDismissed;

        /// Own: Contacts to remove count

        TInt iTotalContactsToRemove;

        /// Own: Store contact

        MVPbkStoreContact* iStoreContact;

        /// Own: Current state of process

        TProcessState iState;

        /// Own: Initially focused contact index

        TInt iFocusedContactIndex;

        // Own: User input blocker

        CAknInputBlock* iInputBlock;

    };

#endif // CPGUREMOVEFROMGROUPCMD_H

// End of File