/*

* Copyright (c) 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:  Declares main application class.

 *

*/

#ifndef __BTHIDSERVER_H__

#define __BTHIDSERVER_H__

#include <e32base.h>

#include <es_sock.h>

#include <btmanclient.h>

#include <f32file.h>

#include <ecom/ecom.h>

#include <btdevice.h>

#include <e32std.h>

#include <bttypes.h> //linkkey

#include <btnotif.h>

#include "hidinterfaces.h"

#include "bthidclient.h"

#include "btconnectionobserver.h"

#include "listenerobserver.h"

#include "genericserver.h"

#include "hidlayoutids.h"

#include "genericactive.h"

class CBTConnection;

class CSocketListener;

class CBTHidConnection;

class CBTHidDevice;

class CGenericHid;

class CBTHidNotifierHelper;

/**

 *  An instance of class CBTHidServer is the main server class.

 *

 *  @since Series 60 2.6

 */

class CBTHidServer : public CGenericServer,

        public MBTConnectionObserver,

        public MListenerObserver,

        public MTransportLayer

    {

public:

    /*!

     Create a CBTHidServer object using two phase construction,

     and return a pointer to the created object

     @result Pointer to created CBTHidServer object

     */

    static CBTHidServer* NewL();

    /*!

     Create a CBTHidServer object using two phase construction,

     and return a pointer to the created object, leaving a pointer to the

     object on the cleanup stack.

     @result Pointer to created CBTHidServer object.

     */

    static CBTHidServer* NewLC();

    /*!

     Destroy the object and release all memory objects.

     */

    ~CBTHidServer();

    /*!

     Panic the client.

     @param aMessage the message channel to the client

     @param aReason the reason code for the panic.

     */

    static void PanicClient(const RMessage2& aMessage, TInt aReason);

    void StartShutdownTimerIfNoSession();

    void CancelShutdownTimer();

    /*!

     Increments the count of the active sessions for this server.

     */

    void IncrementSessions();

    /*!

     Decrements the count of the active sessions for this server. .

     If no more sessions are in use the server terminates.

     */

    void DecrementSessions();

    /*!

     Returns a count of the BT HID connections the server is managing.

     @result Number of connections

     */

    TUint ConnectionCount();

    /*!

     Gives access to the device details for a numbered connection.

     @param aConnID connection ID.

     @result Reference to a device details object

     */

    CBTHidDevice& ConnectionDetailsL(TInt aConnID);

    void CleanOldConnection(TInt aConnID);

    /*!

     Asks the server to create a new connection object.

     @result ID for the connection

     */

    TInt NewConnectionL();

    /*!

     Asks the server to do a first-time connection to a device.

     @param aConnID ID of the connection returned from NewConnectionL

     */

    void DoFirstConnectionL(TInt aConnID);

    /*!

     Asks the server to delete a new connection object

     @param aConnID ID of the connection returned from NewConnectionL

     */

    void DeleteNewConnection(TInt aConnID);

    /*

     * Keep the connection alive, initial reconnect from HID device available... 

     */

    void DisconnectDeviceL(const TBTDevAddr& aAddress);

    void DisconnectAllDeviceL();

    /**

     * Asks the server to disconnect (virtual cable unplug) a device totally, 

     * remove the connection entry from the connection container. 

     @param aAddress bluetooth address of the device to disconnect.

     */

    void CloseBluetoothConnection(const TBTDevAddr& aAddress);

    void CloseAllBluetoothConnection();

    /*!

     Finds out the connection status for a given Bluetooth address connected with HID profile

     @param aBDAddr reference to TBTAddr that is checked from Bluetooth registry

     @result TBTEngConnectionStatus

     */

    TBTEngConnectionStatus ConnectStatus(const TBTDevAddr& aAddress);

    /*!

     Panic the server.

     @param aPanic panic code

     */

    static void PanicServer(TInt aPanic);

    TBool GetConnectionAddress(TDes8& aAddressBuf);

    TBool IsAllowToConnectFromServerSide(TUint aDeviceSubClass);

    TBool IsAllowToConnectFromClientSide(TBTDevAddr devAddr);

    TUint GetDeviceSubClass(TBTDevAddr aDevAddr);

    TBool IsKeyboard(TUint aDeviceSubClass);

    TBool IsPointer(TUint aDeviceSubClass);

    TBTDevAddr ConflictAddress();

public:

    // from MBTConnectionObserver

    void HandleControlData(TInt aConnID, const TDesC8& aBuffer);

    void HandleCommandAck(TInt aConnID, TInt aStatus);

    void HandleInterruptData(TInt aConnID, const TDesC8& aBuffer);

    void FirstTimeConnectionComplete(TInt aConnID, TInt aStatus);

    void LinkLost(TInt aConnID);

    void LinkRestored(TInt aConnID);

    void Disconnected(TInt aConnID);

    void Unplugged(TInt aConnID);

public:

    //from MListenerObserver

    void SocketAccepted(TUint aPort, TInt aErrorCode);

public:

    //from MTransportLayer

    TUint CountryCodeL(TInt aConnID);

    TUint VendorIdL(TInt aConnID);

    TUint ProductIdL(TInt aConnID);

    void GetProtocolL(TInt aConnID, TUint16 aInterface);

    void SetProtocolL(TInt aConnID, TUint16 aValue, TUint16 aInterface);

    void GetReportL(TInt aConnID, TUint8 aReportType, TUint8 aReportID,

            TUint16 aInterface, TUint16 aLength);

    void SetReportL(TInt aConnID, TUint8 aReportType, TUint8 aReportID,

            TUint16 aInterface, const TDesC8& aReport);

    void DataOutL(TInt aConnID, TUint8 aReportID, TUint16 aInterface,

            const TDesC8& aReport);

    void GetIdleL(TInt aConnID, TUint8 aReportID, TUint16 aInterface);

    void SetIdleL(TInt aConnID, TUint8 aDuration, TUint8 aReportID,

            TUint16 aInterface);

    void NotifierRequestCompleted();

protected:

    // From CActive

    /*!

     Process any errors

     @param aError the leave code reported.

     */

    TInt RunError(TInt aError);

    static TInt TimerFired(TAny* aThis);

private:

    /*!

     Perform the first phase of two phase construction 

     */

    CBTHidServer();

    /*!

     Perform the second phase construction of a CBTHidServer object

     */

    void ConstructL();

     /*!

     Shuts down socket listeners on error and inform user

     @param aError The error which caused the shutdown.

     */

    void ShutdownListeners(TInt aError);

    /*!

     Retrieve the Connection object for a given ID.

     @param aConnID The connection ID.

     @return A pointer to a CBTHidConnection object.

     */

    CBTHidConnection* IdentifyConnectionL(TInt aConnID) const;

    /*!

     Loads virtually-cabled device details from the filestore.

     @param aStoreName file to load from.

     */

    void LoadVirtuallyCabledDevicesL(const TDesC& aStoreName);

    /*!

     Stores virtually-cabled device details from the filestore.

     @param aStoreName file to write to.

     */

    void StoreVirtuallyCabledDevicesL(const TDesC& aStoreName);

    /*!

     Stores virtually-cabled device details from the filestore.

     (Non-Leaving Version)

     @param aStoreName file to write to.

     */

    void StoreVirtuallyCabledDevices(const TDesC& aStoreName);

    /*!

     Updates all current sessions with the current status of a connection

     @param aDeviceDetails details of the device whose status has changed 

     @param aState new state of the connection

     */

    void InformClientsOfStatusChange(const CBTHidDevice& aDeviceDetails,

            TBTHidConnState aState);

    void GlobalNotify(const TBTDevAddr& aDeviceAddr, TBTHidConnState aState);

    TInt HandleAsyncRequest(const TBTDevAddr& aDeviceAddr, TInt note);

    void HandleAsyncRequestL(const TBTDevAddr& aDeviceAddr, TInt aNote);

    void InformStatusChange(const TBTDevAddr& aAddress,

            TBTHidConnState aState);

    /*!

     Inform the Generic HID of a new connection (and start the driver if required)

     @param aConnection a CBTHidConnection object for the device connected.

     @param aStartDriver ETrue to start the driver, EFalse otherwise.

     */

    void

            GenericHIDConnectL(CBTHidConnection* aConnection,

                    TBool aStartDriver);

private:

    // From CServer2

    /*!

     Create a time server session, and return a pointer to the created object

     @param aVersion version 

     @result Pointer to new session

     */

    CSession2* NewSessionL(const TVersion &aVersion,

            const RMessage2& aMessage) const;

private:

    /* Internal function to override the security settings of Control channel

     * listener. Used if we are listening for unauthenticated/unauthorised device.

     * For example: Microsoft keyboard with Nokia 6630 PR#1 needs this.

     */

    void CheckAndSetControlListenerSecurityL(TBool aSec);

    /*! The active session count */

    TInt iSessionCount;

    /*! The file server session */

    RFs iFs;

    /*! The socket server session */

    RSocketServ iSocketServ;

    /*! A temporary socket to accept a connection on the control channel */

    RSocket* iTempControl;

    /*! A temporary socket to accept a connection on the interrupt channel */

    RSocket* iTempInterrupt;

    /*! Flag indicating the Autorisation setting on incoming connections */

    TBool iAuthorisationFlag;

    /*! Socket listener for the control channel */

    CSocketListener* iControlListener;

    /*! Socket listener for the interrupt channel */

    CSocketListener* iInterruptListener;

    /*! The Generic HID object */

    CGenericHid* iGenHID;

    /*! Main container index for the server */

    CObjectConIx* iMasterContIndex;

    /*! Container for BT Connection Objects */

    CObjectCon* iBTConnContainer;

    /*! Index for the BT Connection container */

    CObjectIx* iBTConnIndex;

    /*! BT address of a Bluetooth device currently connected in conflict*/

    TBTDevAddr iConflictAddr;

    /*! BT address of a Bluetooth device last used */

    TBTDevAddr iLastUsedAddr;

    TBool iActiveState;

    //Shutdown Timer

    CPeriodic* iShutDownTimer;

    RNotifier iNotifier;

    RPointerArray<CBTHidNotifierHelper> iReqs;

    };

/** 

 *  This wraps up a UI Notification for the BTHidServer

 */

class CBTHidNotifierHelper : public CActive

    {

public:

    static CBTHidNotifierHelper* NewL(CBTHidServer& aHidServer, TInt aNote, const TBTDevAddr& aDeviceAddr);

    ~CBTHidNotifierHelper();

    void Start();

private:

    CBTHidNotifierHelper(CBTHidServer& aHidServer, TInt aNote, const TBTDevAddr& aDeviceAddr);

    void ConstructL();

    void RunL();

    void DoCancel();

private:

    CBTHidServer& iHidServer;

    RNotifier iNotifier;

    TPckgBuf<TInt> iNoResult;

    TBTGenericInfoNotiferParamsPckg iGenericInfoNotifierType;

    };  

#endif