/*

* Copyright (c) 2008-2008 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:  This file contains classes of Peninput server client side.

*

*/

#ifndef R_RPENINPUTSERVER_IMPL_H

#define R_RPENINPUTSERVER_IMPL_H

//  INCLUDES

#include <e32base.h>

#include <e32err.h>

#include <coemain.h>

#include "peninputcmdparam.h"

#include "peninputsrveventhandler.h"

#include <coecntrl.h>

#include <AknFepGlobalEnums.h>

class CPeninputServerObserver;

class MPenUiActivationHandler;

class CPenUiBackgroundWnd;

NONSHARABLE_CLASS(TUiNotificationHandler)

    {

    public:

        TUiNotificationHandler(MPenUiActivationHandler* aHandler,TInt aType);

    public:

        MPenUiActivationHandler* iHandler;

        TInt iType;

    };

/**

 * Client side interface to PeninputSingletonServer.

 *

 *

 * @lib peninputclient.lib

 * @since S60 v4.0 

 */

NONSHARABLE_CLASS(RPeninputServerImpl) : public RSessionBase

    {

public:

    // Constructors and destructor

    /**

    * Makes a connection to the server.

    *

    * @since S60 v4.0

    * @return KErrNone if connection was successful, otherwise one of the

    * general error codes.

    */

    //TInt Connect();

    /**

     * Returns the version information of the server.

     *

     * @since S60 v4.0

     * @return TVersion object containing the version of the server.

     */

    TVersion Version() const;

    /**

     * Closes the connection to the server. 

     *

     * @since S60 v4.0

     */

    void Close();

    /**

     * HandleCommandL, handle command from client

     *

     * @since S60 v4.0

     * @param aCmd The commandid

     * @param aBuf Command data

     * @return The command handling result code.KErrNone if operation sucessfully.

     */    

    TInt HandleCommand(TInt aCmd,const TDesC8& aBuf);

    /**

     * HandleCommandL, handle command from client

     *

     * @since S60 v4.0

     * @param aCmd The commandid

     * @return The command handling result code.KErrNone if operation sucessfully.

     */

    TInt HandleCommand(TInt aCmd);

    /**

     * HandleCommandL, handle command from client

     *

     * @since S60 v4.0

     * @param aCmd The commandid

     * @param aBuf Command data

     * @param aResult The result of layout handle

     * @return The command handling result code.KErrNone if operation sucessfully.

     */    

    TInt HandleCommand(TInt aCmd,const TDesC8& aBuf,TInt &aResult);

    /**

     * Get PENINPUT UI visibility

     *

     * @since S60 v4.0

     * @return ETrue if PENINPUT is visible, EFalse otherwise

     */

    TBool IsVisible();

    /**

     * Get PENINPUT UI dim status

     *

     * @since S60 v4.0

     * @return ETrue if PENINPUT is visible, EFalse otherwise

     */

    TBool IsDimmed();

    /**

     * Get the all support input mode

     *

     * @return input mode

     */

    /**

     * Set UI layout id. It will create the UI by the Id

     *

     * @since S60 v4.0

     * @param aId The layout Id

     * @return The operation result code.KErrNone if successfully.

     */

    TInt SetUiLayoutId(TUid aId);

    /**

     * Set UI layout id

     *

     * @since S60 v4.0

     * @param aId The layout Id

     * @param aData The data associated with the layout creation

     * @return The operation result code

     */

    TInt SetUiLayoutId(TUid aId,const TDesC8& aData);

    /**

     * Set UI layout position

     *

     * @since S60 v4.0

     * @param aPos The layout position

     * @return The operation result code. KErrNone if successfully.

     */

    TInt SetUiLayoutPos(const TPoint& aPos);        

    /**

     * get UI layout position

     *

     * @since S60 v4.0

     * @return The layout position

     */

    TPoint UiLayoutPos();        

    /**

     * get UI layout size

     *

     * @since S60 v4.0

     * @return The layout size

     */

    TSize UiLayoutSize();

    /**

     * Called when resource changed, e.g, screen size changed.

     * To inform layout that resource change event.

     *

     * @since S60 v4.0

     * @param aData The data associated with size change event

     */

    void ResourceChanged(TInt aType);

    /**

     * Activate/Deactivate the layout

     *

     * @since S60 V4.0

     * @param aFlag The activation flag. ETrue if activated

     */

    void ActivateLayout(TBool aFlag);        

    /**

     * Get server event data.

     * When server oberver got a event notification, it calls this to get data

     *

     * @since S60 V4.0

     * @param aBuf buf to save the event data on return

     * @return result code. KErrNone if data got. If the length of aBuf is 

     *     smaller than server data, data is not copied, return value is the 

     *     required data length. KNullDesC is returned if no data in server side

     */

    TInt GetServerEventData(TDes& aBuf);

    /**

     * Get current pended server event number

     * 

     * @since S60 V4.0

     * @return The current pended event number in server side

     */

    TInt ServerEventDataNum();        

    /**

     * Add server observer. An observer will be notified when server has event

     * 

     * @since S60 V4.0

     * @param aObserver The server observer

     */

    void AddPeninputServerObserverL(

                                   MPeninputServerEventHandler* aObserver);

    /**

     * Remove all pen input observer

     * 

     * @since S60 V5.0

     */

    void RemovePeninputServerObserver();

    /**

     * Remove pen input observer

     * 

     * @since S60 V5.0

     * @param  aObserver The observer to be removed

     */

    void RemovePeninputServerObserver(MPeninputServerEventHandler* aObserver);

    /*

     * Set display mode. This must be called before any UI layout created.

     * Otherwise, no change happends.

     *

     * @since S60 V4.0

     * @param aMode The display mode

     * @param aMaskMode The display mode for mask device

     */       

    void SetDisplayMode(TDisplayMode aDisplayMode,

                                               TDisplayMode aMaskDisplayMode);

    /*

     * Clear server events, all pending events for current session is cleared.

     * It's used when current focus changed and previous server event is out of date.

     *

     * @since S60 V4.0

     */                  

    void ClearServerEvent();

    /**

     * Return requried Ime plugin list

     *

     * @since S60 V4.0

     * @param aLanguage The required supporting language

     * @param aPluginMode The required supporting mode

     * @param aImplmentationIds A reference to a client owned array

     *        which will be filled with IME plugin implementation.

     */

    void GetImePluginIdListL(TInt aLanguage, 

                                      TInt aPluginMode, 

                                      RArray<TInt>& aImplmentationIds);

    /**

     * Return all supporing touch input languages

     *

     * @since S60 V4.0

     * @param aLanguageLists A reference to a client owned array

     *        which will be filled with supporting languages.

     */

    void PenSupportLanguagesL(RArray<TInt>& aLanguageLists);                                     

    /**

     * Asynchronous request which must be issued by every client after

     * Connect(). When this request completes it is the clients responsibility

     * to react to the message. Only one

     * client can receive this notification. Client must call CancelMessageNotification()

     * before closing the session.

     *

     * @since S60 v4.0

     *@param aStatus Message Id of the observing active object

     */

    void RequestMessageNotification( TRequestStatus& aStatus );

    /**

     * Cancels the asynchronous request issued by RequestMessageNotification().

     *

     * @since S60 v4.0

     */

    void CancelMessageNotification();

    /**

     * Set foreground application session. Only foreground app session

     * can change the pen input UI attribute. Such command from other session 

     * will be discarded by server.

     *

     * @since S60 V4.0

     * @param aMustConnectFlag If ETrue, the set will always success. If EFalse,

     * operation depends on whether current app is the foreground application.

     */

    TBool SetForeground(TBool aMustConnectFlag);

    /**

     * Indicates current client lost foregound.

     *

     * @since S60 V5.0

     */    

    void LoseForeground();

    /**

     * Test whether this session is the forground application session

     *

     * @since S60 V4.0

     * @return ETrue if current session is foreground application session.

     */

    TBool IsForeground();

    /**

     * Add pen input UI activation observer. Only one handler can be added. If 

     * need to change the handler, the old handler must be first removed.

     *

     * @since S60 V4.0

     * @param aHandler The callback handler when pen input UI activated/deactivated

     * @param aType The pen ui type to be handled. The available type is defined in 

     * TPenInputUiType

     * @return KErrNone if sucessfully.

     */    

    TInt AddPenUiActivationHandler(MPenUiActivationHandler* aHandler,

                                                TInt aType);    

    /**

     * Remove all pen input UI activation observer

     *

     * @since S60 V4.0

     * 

     */    

    void RemovePenUiActivationHandler();    

    /**

     * Remove a pen input UI activation observer

     *

     * @since S60 V5.0

     */    

    void RemovePenUiActivationHandler(MPenUiActivationHandler *aHandler);

    void ActivatePeninputInNotesL(); 

    void DimUiLayout(TBool aFlag); 

    void BackgroudDefaultOri( TInt aOri );

    /**

     * Inform server that client has handled the UI notification event

     *

     * @since S60 V4.0

     */    

    void Continue();

    /*

     * To disable specified layouts at a time.

     *

     * @since S60 V4.0

     * @param aDisableLayout The disabled layouts.Can disable serveral layouts one time.

     */       

    void SetDisabledLayout( TInt aLayouts );

    /*

     * To get disable specified layouts at a time.

     *

     * @since S60 V4.0

     * @return The disabled layouts.

     */       

    TInt DisabledLayout();    

    /*

     * Update the application information.

     *

     * @since S60 V5.0

     * @param aInfo The application information.

     * @param aType The information type

     */     

    void UpdateAppInfo(const TDesC& aInfo, TPeninputAppInfo aType);    

    void HandleServerExit();

    TBool IsForegroundSession();

    //void SetForegroundFlag(TBool aFlag);

    void FinalClose();    

    /*

     * Enable/disable the auto open feature. When auto open feature is on, Focus change event 

     * will open the pen UI automatically. The feature is on by default. When disabled, 

     * all editor in current app won't have the auto-open feature.

     *

     * @since S60 V5.0

     * @param aFlag ETrue to enable the feature, EFalse to disable the feature.

     */         

    void SetAutoOpen(TBool aFlag);

    /*

     * Get the auto-open feature flag.

     *

     * @since S60 V5.0

     * @return ETrue if auto-open feature is on, otherwise EFalse.

     */             

    TBool AutoOpen();

    /*

     * Set the application prefferred input mode. Application can set this mode to 

     * override the mode selected by Fep. 

     *

     * @since S60 V5.0

     */                 

    void SetPreferredUiMode(TPluginInputMode aMode);

    /*

     * Get the application prefferred input mode. 

     *

     * @since S60 V5.0

     * @return The application preferred mode. EPluginInputModeNone if app does set it.

     */                 

    TPluginInputMode PreferredUiMode();

    void SetGlobalNotes(TBool aFlag);

    void SetInternalPopUp(TBool aFlag);

    void SetEditorPriority(TInt aFlag);

    void ClearTouchUI();

    void SetResourceChange(TBool aFlag);

    /**

     * Starts the server thread

     *

     * @since S60 v4.0

     *@return KErrNone if server was created successfully

     *        KErrAlreadyExists if the server is already running

     * otherwise one of the system wide error codes

     */

    TInt StartThreadL();

    void ReadIntArrayFromBufL(const TDesC8& aBuf, RArray<TInt>& aResult);

    void DoAddPenUiActivationHandler();

private:    // Data

    /**

     * server observer

     */

    CPeninputServerObserver* iObserver; 

    /**

     * Ui notification handler.

     */	

    //CPenUiNotificationHandler* iPenUiNotificationHandler;

    RArray<TUiNotificationHandler>  iPenUiNotificationHandler;

    //TUiNotificationHandler*  iPenUiNotificationHandler

    /**

     * The type which to be monitored by the client.

     */	    

    //TInt iRegistedType;

    /**

     * Indicates whether current client is the foreground application.

     */	        

    TBool iIsForegroundSession;

    /**

     * server active flag

     */

    TBool  iServerExit;

    TBool iLaunchServer;

    TInt iCurPenUiType;    

    CPenUiBackgroundWnd* iBackgroundCtrl;