/*

* Copyright (c) 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 editor dialog

*

*/

#ifndef CESMREDITORDIALOG_H

#define CESMREDITORDIALOG_H

#include <akntoolbarobserver.h>

#include "mesmruibase.h"

#include "mesmrresponseobserver.h"

#include "mesmrfieldeventobserver.h"

#include "cesmrfieldbuilderinterface.h"

class CESMRPolicy;

class MESMRCalEntry;

class CESMRView;

class MAgnEntryUiCallback;

class CESMRSendUI;

class CESMRField;

class CESMRTitlePaneHandler;

class CCalenInterimUtils2;

class CESMRLocationPluginHandler;

class CESMRAddressInfoHandler;

class CESMRFeatureSettings;

class CMRToolbar;

class MMRInfoProvider;

class TDataType;

class MMRFocusStrategy;

class MESMRMeetingRequestEntry;

/**

 *  CESMREditorDialog implements the editor dialog for meeting requests.

 *

 *  @see mesmruibase.h, mesmruifactory.h

 *  @lib esmrgui.lib

 */

NONSHARABLE_CLASS( CESMREditorDialog ) :

		public CAknDialog,

		public MESMRUiBase,

		public MESMRResponseObserver,

		public MESMRFieldEventObserver,

		public MAknToolbarObserver

    {

public:

    /**

     * Two-phased constructor.

     *

     * @param aPolicy 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 CESMREditorDialog* NewL(

            MMRInfoProvider& aInfoProvider,

            MAgnEntryUiCallback& aCallback );

    /*

     * Destructor.

     */

    ~CESMREditorDialog();

public: // From CAknDialog

    SEikControlInfo CreateCustomControlL( TInt aType );

    TKeyResponse OfferKeyEventL(

            const TKeyEvent& aEvent,

            TEventCode aType);

    TBool OkToExitL ( TInt aButtonId );

    void ActivateL();

    void ProcessCommandL( TInt aCommand );

    void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

public: // From MESMRUIBase

    TInt ExecuteViewLD();

public: // From MAknToolbarObserver

    void DynInitToolbarL ( TInt aResourceId, CAknToolbar* aToolbar );

    void OfferToolbarEventL ( TInt aCommand );  

public: // From MESMRResponseObserver

    TBool Response( TInt aCommand );

    void ExitDialog();

    void ChangeReadyResponseL();

protected: // From MESMRFieldEventObserver

    void HandleFieldEventL( const MESMRFieldEvent& aEvent );

private: // Implementation

    void DoProcessCommandL( TInt aCommand );

    /**

     * Constructor.

     *

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

     * @param aCallback Callback interface for AgnEntryUI

     */

    CESMREditorDialog(

            MMRInfoProvider& aPolicyProvider,

            MAgnEntryUiCallback& aCallback );

    /**

     * Second phase constructor.

     *

     * @param aPolicy contains all the fields for list component.

     */

    void ConstructL();

    /**

     * Handles dialog exit, saves entry etc.

     * @return TInt

     */

    TInt HandleExitL();

    /**

     * Handles dialog exit, saves, no queries.

     * @param aShowConfirmationQuery ETrue shows 'save changes' query before saving entry.

     * @return TInt

     */

    TInt HandleForcedExitL( TBool aShowConfirmationQuery = EFalse );

    /**

     * Sends calendar entry.

     * @param aCommandId

     */

    void SendCalendarEntryL(TInt aCommandId);

    /**

     * Tries to add send menu item to options menu if needed.

     * @param aMenuPane

     */

    void TryInsertSendMenuL(CEikMenuPane* aMenuPane);

    /**

     * Executes user related queries whether the entry should be

     * save or not.

     * @return TBool

     */

    TBool IsAllowedToSaveL();

    /**

     * Checks if cfsmailbox supports given capability.

     * @param aCapa, the capability

     * @return TBool

     */

    TBool SupportsMailBoxCapabilityL( 

            MESMRBuilderExtension::TMRCFSMailBoxCapability aCapa );

    /**

     * Handle options menu command "open"

     */

    void HandleOpenCmdL();

    /**

     * Handles Location Options submenu content

     * 

     * @param aResourceId Menu resource id

     * @param aMenuPane menu pane 

     */

    void HandleLocationOptionsL( TInt aResourceId, CEikMenuPane* aMenuPane );

    CESMRLocationPluginHandler& LocationPluginHandlerL();

    CESMRAddressInfoHandler& AddressInfoHandlerL();

    void HandleFieldCommandEventL( const MESMRFieldEvent& aEvent );

    void HandleFieldChangeEventL( const MESMRFieldEvent& aEvent );

    TBool SetContextMenuL();

    void SwitchEntryTypeL( TInt aCommand, TBool aAdjustView );

    inline const CESMRPolicy& Policy() const;

    void SetTitleL();

    void VerifyMeetingRequestL();

    TBool TryOpenAttachmentL();

    TInt TryRemoveAttachmentL();   

    TInt TryRemoveAllAttachmentsL();

    TInt TryAddAttachmentL();

    void ShowContextMenuL();

    /**

     * Check mr is past

     * 

     * @param aEvent

     * @return TBool

     */

    TBool OccursInPastL( const MESMRFieldEvent& aEvent );    

    TBool OccursInPast( const TTime& aStartUtc );

    void ChangeRightSoftkeyL( TBool aOccursInPast, TBool aIsOrganizer );

    TInt TryToSaveEntryL();

private:

    /**

     * Ref: Info provider for accessing entry and policy

     */

    MMRInfoProvider& iInfoProvider;

    /**

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

     */

    CESMRView* iView;

    /**

     * Ref: Agn Entry UI callback interface

     */

    MAgnEntryUiCallback& iCallback;

    /**

     * Own: Calendar Global data

     */

    CESMRSendUI* iESMRSendUI;

    /**

     * Own: Boolean indicating if required attendees field contains items.

     */

    TBool iRequiredAttendeesEnabled;

    /**

     * Own: Boolean indicating if optional attendees field contains items.

     */

    TBool iOptionalAttendeesEnabled;

    /// Own: Titlepane handler

    CESMRTitlePaneHandler* iTitlePane;

    /**

     * Pointer to instance of CCalenInterimUtils2.

     * Own: Release on destruct.

     */

    CCalenInterimUtils2* iInterimUtils;

	/**

	 * Location plugin handler.

	 * Own.

	 */

    CESMRLocationPluginHandler* iLocationPluginHandler;

    /**

     * Address info handler.

     * Own.

     */

    CESMRAddressInfoHandler* iAddressInfoHandler;

    /**

     * Feature settings.

     * Own.

     */

    CESMRFeatureSettings* iFeatures;

    /**

     * Indicates if location has been modified.

     */

    TBool iLocationModified;

    /// Own: Toolbar handler

    CMRToolbar* iToolbar;

    /// Own: Context menu resource id

    TInt iContextMenuResourceId;

    /// Own: Focus strategy of the editor

    MMRFocusStrategy* iFocusStrategy;

    // record time after time field updated

    TTime iStartTimeUtc;

    };

#endif  // CESMREDITORDIALOG_H