/*

* Copyright (c) 2007-2008 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:  Declaration of notification handler manager implementation

*

*/

#ifndef C_FSNOTIFICATIONHANDLERMGRIMPL_H

#define C_FSNOTIFICATIONHANDLERMGRIMPL_H

#include <e32base.h>

//<cmail>

#include "cfsmailcommon.h"

#include "mfsmaileventobserver.h"

//</cmail>

#include "fsnotificationhandlermgr.h"

class CFSMailClient;

class CFSNotificationHandlerBase;

class CFsEmailGlobalDialogsAppUi;

/**

 *  Class for managing notification showing.

 *

 *  Class that manages notification showing by managing the

 *  notification handlers which do the actual notification showing.

 *  Framework events are observed in this class and they are

 *  then directed to the notification handlers.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 ?S60_version *** for example, S60 v3.0

 */

class CFSNotificationHandlerMgr :

    public CActive,

    public MFSNotificationHandlerMgr,

    public MFSMailEventObserver

    {

public:

    //<cmail> aAppUi parameter no longer necessary

    static CFSNotificationHandlerMgr* NewL( CFsEmailGlobalDialogsAppUi* aAppUi = NULL );

    static CFSNotificationHandlerMgr* NewLC( CFsEmailGlobalDialogsAppUi* aAppUi = NULL );

    //</cmail>

    /**

    * Destructor.

    */

    virtual ~CFSNotificationHandlerMgr();

// from base class MFSMailEventObserver

    /**

     * @see MFSMailEventObserver::EventL

     */

    virtual void EventL(

        TFSMailEvent aEvent,

        TFSMailMsgId aMailbox,

        TAny* aParam1,

        TAny* aParam2,

        TAny* aParam3 );

// from base class MFSNotificationHandlerMgr

    /**

     * @see MFSNotificationHandlerMgr::MailClient

     */

    virtual CFSMailClient& MailClient() const;

    /**

     * @see MFSNotificationHandlerMgr::HSConnection

     */

    virtual CFSNotificationHandlerHSConnection* HSConnection() const;

//<cmail>

    virtual void MessageQueryL( TDesC& aMailboxName,

//</cmail>

                                TRequestStatus& aStatus,

                                const TDesC& aCustomMessageText,

                                TFsEmailNotifierSystemMessageType aMessageType );

    virtual TInt AuthenticateL( TDes& aPassword,

                                TDesC& aMailboxName,

                                TRequestStatus& aStatus  );

    /**

     * @see MFSNotificationHandlerMgr::GetFolderType

     */

    virtual TFSFolderType GetFolderTypeL( TFSMailMsgId& aMailbox, TFSMailMsgId* parentFolderId );

    /**

     * @see MFSNotificationHandlerMgr::IncreaseDialogCount

     */

    void IncreaseDialogCount();

    /**

     * @see MFSNotificationHandlerMgr::DecreaseDialogCount

     */

    void DecreaseDialogCount();

    /**

     * @see MFSNotificationHandlerMgr::GetDialogCount

     */

    TInt GetDialogCount();

    //<cmail>

    /**

     * @see MFSNotificationHandlerMgr::SendAppUiToBackground

     */

    void SendAppUiToBackground();

    /**

     * @see MFSNotificationHandlerMgr::BringAppUiToForeground

     */

    void BringAppUiToForeground();

    //</cmail>

protected:

    // From CActive

    /**

     * Handles an active object's request completion event

     */

    void RunL();

    /**

     * Implements cancellation of an outstanding request

     */

    void DoCancel();

private:

    //<cmail>

    CFSNotificationHandlerMgr(CFsEmailGlobalDialogsAppUi* aAppUi = NULL);

    //</cmail>

    void ConstructL();

    /**

     * Start to observe framework events.

     *

     * @since S60 ?S60_version

     */

    void StartObservingL();

    /**

     * Stop observing framework events.

     *

     * @since S60 ?S60_version

     */

    void StopObserving();

    /**

    * Function to create desired type of notification

    * handler and append it into handler array.

    *

    * @since S60 ?S60_version

    */

    void CreateAndStoreHandlerL( TInt aImplementationUid );

    void CleanTempFilesIfNeededL();

private: // data

    /**

     * Mail client to access email framework

     * Own.

     */

    CFSMailClient* iMailClient;

    /**

     * Handlers for different types of notifications.

     * Own.

     */

    RPointerArray<CFSNotificationHandlerBase> iHandlers;

    /**

     * Object representing connection to Home Screen specific data.

     * It is used to retrieve current status of Home Screen.

     * Own.

     */

    CFSNotificationHandlerHSConnection* iHSConnection;

    /**

     * AppUi class.

     * Not Owned.

     */

    //<cmail>

    //CFsEmailGlobalDialogsAppUi& iAppUi;

    CFsEmailGlobalDialogsAppUi* iAppUi;

    //</cmail>

    /**

     * Number of active dialogs.

     */

    TInt iDialogCount;

    // for caching of parent folder type

    TFSMailMsgId  iPreviousMailbox;

    TFSMailMsgId  iPreviousParentFolderId;

    TFSFolderType iPreviousParentFolderType;

    };

#endif // C_FSNOTIFICATIONHANDLERMGRIMPL_H