/*

* Copyright (c) 2007-2009 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:  ESMR viewer dialog

*

*/

#ifndef CESMRVIEWERDIALOG_H

#define CESMRVIEWERDIALOG_H

#include <AknDialog.h>

#include <akntoolbarobserver.h>

#include <AknNaviDecoratorObserver.h>

#include <msvapi.h>

#include "mesmruibase.h"

#include "mesmrresponseobserver.h"

#include "resmrstatic.h"

#include "mesmrfieldeventobserver.h"

class MESMRFieldStorage;

class MESMRCalEntry;

class CESMRView;

class MAgnEntryUiCallback;

class CESMRPolicy;

class CESMRSendUI;

class CAiwServiceHandler;

class CCEUIPolicyResolver;

class CESMRPolicyManager;

class CESMRLocationPluginHandler;

class CESMRFeatureSettings;

class CAknNavigationDecorator;

class MESMRMeetingRequestEntry;

class TFSMailMsgId;

/**

 *  CESMRViewerDialog implements the viewer dialog for meeting requests.

 *

 *  @see mesmruibase.h, mesmruifactory.h

 *  @lib esmrgui.lib

 */

NONSHARABLE_CLASS( CESMRViewerDialog ):

         public CAknDialog,

         public MESMRUiBase,

         public MESMRResponseObserver,

         public MESMRFieldEventObserver,

         public MAknToolbarObserver,

         public MAknNaviDecoratorObserver,

         public MMsvSessionObserver

    {

public:

    /**

     * Two-phased constructor.

     *

     * @param aStorage Field storage contains all the fields for list component.

     * @param aEntry ESMR calendar entry (wraps the CCalEntry object)

     * @param aCallback Callback interface for AgnEntryUI

     * @return Pointer to created and initialized esmr editor dialog.

     */

     IMPORT_C static CESMRViewerDialog* NewL(

        CESMRPolicy* aPolicy,

        MESMRCalEntry& aEntry,

        MAgnEntryUiCallback& aCallback );

    /*

     * Destructor.

     */

    ~CESMRViewerDialog();

public: // From CAknDialog

    SEikControlInfo CreateCustomControlL( TInt aType );

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

    TBool OkToExitL (TInt aButtonId);

    void ProcessCommandL( TInt aCommand );

    void DynInitMenuPaneL(

            TInt aResourceId,

            CEikMenuPane* aMenuPane );

    void ActivateL();

    void PreLayoutDynInitL();

public: // From MESUIBase

    TInt ExecuteViewLD();

public: // From MESMRResponseObserver

    TBool Response( TInt aCommand );

    void ExitDialog();

    void ChangeReadyResponseL();

public: // From MAknToolbarObserver

    virtual void OfferToolbarEventL( TInt aCommand );

public: // from MAknNaviDecoratorObserver

    void HandleNaviDecoratorEventL( TInt aEventID );

public: // from MMsvSessionObserver

    void HandleSessionEventL( 

        TMsvSessionEvent aEvent, TAny* aArg1,

        TAny* aArg2, TAny* aArg3 );

public:

    /**

     *  Static method that is given as callback to CIdle object

     *  handling the navigation decorator right arrow event.

     *  

     *  @param aObjPtr TAny-casted pointer to an instance of this class.

     *  @return Always KErrNone.

     */

    static TInt RunCmdMailNextMessageIdle( TAny* aObjPtr );

    /**

     *  Static method that is given as callback to CIdle object

     *  handling the navigation decorator left arrow event.

     *  

     *  @param aObjPtr TAny-casted pointer to an instance of this class.

     *  @return Always KErrNone.

     */

    static TInt RunCmdMailPreviousMessageIdle( TAny* aObjPtr );

protected: // MESMRFieldEventObserver

    void HandleFieldEventL( const MESMRFieldEvent& aEvent );

private: // Implementation

    void DoProcessCommandL( TInt aCommand );

    CESMRViewerDialog( MESMRCalEntry& aEntry, MAgnEntryUiCallback& aCallback );

    void ConstructL( CESMRPolicy* aPolicy );

    void OpenInDayModeL();

    void CommandTailL(HBufC16*& aTailBuffer);

    TBool HandleCommandForRecurrentEventL( TInt aCommand );

    void SendCalendarEntryL(TInt aCommandId);

    void TryInsertSendMenuL(CEikMenuPane* aMenuPane);

    void HandlePrintCommandL(TInt aCommand);

    void HandleEmailSubmenuL(

            TInt aResourceId,

            CEikMenuPane* aMenuPane );

    void HandlePolicyMenuL(

            TInt aResourceId,

            CEikMenuPane* aMenuPane );

    void HandleDynamicMenuItemsL(

            TInt aResourceId,

            CEikMenuPane* aMenuPane );

    TBool SupportsAttendeeStatusL();

    TBool HandleMRExitL(

            TInt aCommand  );

    TBool SupportsForwardingAsMeetingL( 

            MESMRMeetingRequestEntry* aEntry,

            TBool aForceResetDefaultMRMailbox );

    CESMRLocationPluginHandler& LocationPluginHandlerL();

    void SetDefaultMiddleSoftKeyL();

    TPtrC DigMailboxAndRemovePrefixL();

    void MakeMrGuiToolbarButtonsL();

    void ClearToolbarL();

    TInt AccountIdL( const TFSMailMsgId& aMailboxId );

private: // Data

    /// Own: Feature manager initialization flag

    TBool iFeatureManagerInitialized;

    /// Ref: The only control in this dialog. Fwk deletes.

    CESMRView* iView;

    /// Ref: Reference to MESRCalEntry (CCalEntry wrapper)

    MESMRCalEntry& iEntry;

    /// Ref: Agn Entry UI callback interface

    MAgnEntryUiCallback& iCallback;

    /// Ref: Pointer to policy

    CESMRPolicy* iPolicy;

    /// Own: Calendar Global data

    CESMRSendUI* iESMRSendUI;

    /// Own: AIW Service handler

    CAiwServiceHandler* iServiceHandler;

    /// Own: Flag for marking exit

    TBool iExitTriggered;

    /// Own: Static TLS data handler

    RESMRStatic iESMRStatic;

    // Own: Location plugin handler.    

    CESMRLocationPluginHandler* iLocationPluginHandler;

    // Own: Feature settings.

    CESMRFeatureSettings* iFeatures;

    // Not own: Pointer to previous toolbar observer.

    MAknToolbarObserver* iOldObserver;

    // flag to indicate toolbar can be cleared

    TBool iClearToolbar;

    // Own: CIdle object through which navi button events are handled.

    //      CIdle with callback is used because the navi buttons events

    //      cause deletion of this dialog, but the actual button event 

    //      handling needs to be completed before closing the dialog.

    CIdle* iIdleNaviEventRunner;

    // Not own: Pointer to navigation decorator

    CAknNavigationDecorator* iESMRNaviDecorator;

    };

#endif // CESMRVIEWERDIALOG_H