/*

* Copyright (c) 2003-2009 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:   VPN management main view

*

*/

#ifndef  __VPNUILOADER_H__

#define  __VPNUILOADER_H__

// INCLUDES

#include <AknProgressDialog.h>

#include <ConeResLoader.h>

#include "vpnapiwrapper.h"

#include "vpnmanagementuidefs.h"

#include "uirunner.h"

#include "vpnextapi.h"

// CONSTANTS

/**

 * Specifies the type of the waitnote text.

 */

enum

    {

    EConnectingVia = 0x0,

    EProcessingStepN = 0x1

    };

const TInt KSecondsToShowConnectingVia = 3;

// FORWARD DECLARATIONS

// CLASS DECLARATION

class CAknWaitDialog;

class CVpnManagementUiView;

class CVpnManagementUi;

/**

*  CVpnUiLoader view control class.

*

*  @lib vpnmanagementui.lib

*/

class CVpnUiLoader : public CCoeControl, public MCoeControlObserver, 

    public MProgressDialogCallback

    {

    public: // functions 

        /**

        * Destructor.

        */

        ~CVpnUiLoader();

        /**

         * NewL

         *

         * @since S60 3.0

         * @param aRect ?description

         * @param aViewId ?description

         * @return self

         */

        static class CVpnUiLoader* NewL(

            const TRect& aRect, TUid aViewId, CVpnManagementUiView* aUiView );

        /**

        * NewLC

        */

        static class CVpnUiLoader* NewLC(

            const TRect& aRect, TUid aViewId, CVpnManagementUiView* aUiView );

        /**

        * ChangeViewL

        * @param aNewTab change to given tab

        */

        void ChangeViewL(TInt aNewTab, TInt aSelectionIndex = -1); 

        /**

        * Activates the VPN policies, VPN policy servers and

        * VPN log views title

        */

        void ActivateTitleL(TInt aCurrentTitle);

        void ActivateTitleL(TInt aCurrentTitle, TDes& aText);

        /**

        * Activates the VPN log view Navipane text

        */

        void ActivateNaviTextL();

        /**

        * Added here because FocusChanged need to be included

        * in every control derived from CCoeControl that can have listbox 

        */

        void FocusChanged(TDrawNow aDrawNow);

        /**

        * Push the NaviPane to stack.

        */

        void PushNaviPaneL();

        /**

        * Pop the NaviPane from stack.

        */

        void PopNaviPane();

        /**

        * Push the DefaultNaviPane (empty) to stack.

        */

        void PushDefaultNaviPaneL();

        /**

        * Shows the error note 

        */

        void ShowErrorNoteL();

        /**

        * Get selection name to the connecting via wait note 

        */

        void GetSelectionNameL(TDes& aText);

        /**

        * Shows the Connecting via or Processing step wait note 

        */

        void ShowWaitNoteL();

        /**

        * Deletes the wait note 

        */

        void DeleteWaitNoteL();

        /**

        * Set text to wait note 

        */

        void SetTextL();

        //from MProgressDialogCallback

        void DialogDismissedL( TInt aButtonId );

		/**

     	* Check if Disk space goes below critical level.

     	* @param aShowErrorNote If ETrue, a warning note is shown.

     	* @param aBytesToWrite Amount of disk space to be allocated.

     	* @return ETrue if allocation would go below critical level.

     	*/

    	TBool FFSSpaceBelowCriticalLevelL( TBool aShowErrorNote,

                                           TInt aBytesToWrite /*=0*/ );

        /**

        * Returns pointer to main management view 

        */

		CAknView* GetVpnManagementUiView() const;

		/**

		*  CVpnApiWrapper

		*/

		CVpnApiWrapper& VpnApiWrapperL();	

		/**

		* Returns the id to the GS view that launched us

		*/

        TVwsViewId GSViewId() const;			

		/**

		* Sets the id to the GS view that launched us

		* @param aGsViewId The id to the GS view

		*/

        void SetGSViewId( TVwsViewId aGsViewId );			

    public: //data

        /**

        * Added here because FocusChanged need to be included

        * in every control derived from CCoeControl that can have listbox 

        */

        CEikColumnListBox* iListBox;

        /**

        * If ETrue, We are coming back from server parameters view.

        */

        TBool iBackFromServerDefinition;

        /**

        * If ETrue, new Server definition has created.

        */

        TBool iNewServerDefinition;

        /**

        * If ETrue, show Define policy server query when empty list.

        */

        TBool iShowDefineQuery;

        MUiRunnerObserver* iObserver;

        CAknWaitDialog*     iWaitDialog;

        TInt iCurrentPolicyIndex;

        TInt iCurrentServerIndex;

        TBool iPolicyUpdate;

        TBuf<KMaxUiSelectionNameLength> iSelectionName;

        TBool iShowWaitNote;

        RVpnExtApi iVpnExtApi;

    private: // data

        /**

        * Used to wrap asynchronous calls

        */

        CVpnApiWrapper*          iVpnApiWrapper;        

    private: // implementation

        void ConstructL(const TRect& aRect, TUid aViewId);

        CVpnUiLoader(CVpnManagementUiView* aUiView);

        void HandleControlEventL( CCoeControl* aControl,

            TCoeEvent aEventType );

        TKeyResponse OfferKeyEventL(

            const TKeyEvent& aKeyEvent, TEventCode aType);

    public:    

        void AddResourceFileL(TBool aKeepOpen = EFalse);

        void ReleaseResource(TBool aForceClose = EFalse);

    private: //data

        /**

        * For Navipane

        */

        CAknNavigationDecorator* iVersionInfoInNaviPane;

        /**

        * For Navipane

        */

        CAknNavigationControlContainer* iNaviPane;

        /**

        * To store the previous view id 

        */

        TUid iPreviousViewId;

        /**

        * To store the previous view id  

        */

        TUid iPreviousAppViewId;

        TInt iTextToShow;

        TInt iStateCodeToShow;

        TTime iWaitNoteStartTime;

        /**

        * Views to be registered and unregistered

        */

        CAknView* iVpnManagementUiView;

        CAknView* iVpnManagementUiLogView;

        CAknView* iVpnManagementUiPolicyView;

        CAknView* iVpnManagementUiParametersView;

        CAknView* iVpnManagementUiServerView;

        CVpnManagementUi* iCVpnManagementUi;

        /**

        * To get hold of iResourceLoader

        */

        RConeResourceLoader iResourceLoader;        

        TVwsViewId iGsViewId; // the view id of the view which launched us

        TBool iKeepOpen;

        TBool iPolicyViewVisited;

        TBool iLogViewVisited;

        TBool iServerViewVisited;

        TBool iServerSettingsViewVisited;

   };

#endif // __VPNUILOADER_H__

// End of File