/*

* Copyright (c) 2002 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 Bluetooth device inquiry user interface class.

*

*/

#ifndef BTNINQUI_H

#define BTNINQUI_H

// INCLUDES

#include <btextnotifiers.h> // Bluetooth notifiers API

#include <badesca.h>        // For array handling

#include <AknIconArray.h>

#include "btnotifactive.h"      // Active Object Helper class for inquiry

#include <bt_sock.h>

#include <btengdevman.h>

#include "btnotifier.h"

const TInt KPeriodicTimerInterval4Sec(4000000);

// FORWARD DECLARATIONS

class CAknStaticNoteDialog;

class CAknSingleGraphicPopupMenuStyleListBox;

class CAknPopupList;

class CAknQueryDialog;

class CBTInqNotifier;

// CONSTANTS

enum TSearchFlowState

    {

    ESearchCompleted,  // search completed for any reason, end of UI flow.

    ESearchAgain,      // no device found, user wants to search again.

    ESearchFirstDeviceFound, // the first device is found, show found device list.

    };   

// CLASS DECLARATION

/**

 *  Class MBTNDeviceSearchObserver

 *

 *  Callback class to notify device searching completed. 

 */

class MBTNDeviceSearchObserver

    {

public:

    /**

     * Callback to notify that the device search request has completed.

     *

     * @since S60 5.1

     * @param aErr Error code

     * @param aDevice Pckgbuf to retrieve the response from the device selection.

     */

    virtual void NotifyDeviceSearchCompleted(TInt aErr, 

            const TBTDeviceResponseParams& aDevice = TBTDeviceResponseParams()) = 0;

    };

/**

* A helper class used in Bluetooth device search.

* This class is responsible of the UI activity.

*/

NONSHARABLE_CLASS(CBTInqUI) : public CBase, public MBTEngDevManObserver, public MBTNotifActiveObserver

    {

    public: // Constructor and destructor

        /**

        * C++ default constructor.

        */

        CBTInqUI( MBTNDeviceSearchObserver* aObserver,

                CBTNotifUIUtil* aUtil, const TBTDeviceClass& aDesiredDevClass);

        /**

        * The 2nd phase constructor is required to do Asyncronous operations,

        * So the readiness of the CBTInqUI is notified Asynchronously to the caller

        */

        void ConstructL();     

        /**

        * Destructor.

        */

        virtual ~CBTInqUI();

    public: // New functions

        /**

        * Cancels all inquiry activity.

        */

        void Cancel();

        /**

        * Issues a device inquiry request.

        * @param None.

        * @return None.

        */

        void IssueRequestL();

        /**

         * Check if Eir device name available.

         * @param TNameEntry    Decode it to get device name

         * @param TBTDeviceName Device name returned

         * @return ETrue if Eir data contains name.

         */

        static TBool CheckEirDeviceName( TNameEntry& aEntry, TBTDeviceName& aName );

    private: // Functions from base classes

        /**

         * From MBTNotifActiveObserver

         */

        void RequestCompletedL( CBTNotifActive* aActive, TInt aId, TInt aStatus );

        /**

         * From MBTNotifActiveObserver

         */

        void HandleError( CBTNotifActive* aActive, TInt aId, TInt aError );

        /**

         * From MBTNotifActiveObserver

         */

        void DoCancelRequest( CBTNotifActive* aActive, TInt aId );

        /**

         * From MBTEngDevManObserver

         */

        void HandleGetDevicesComplete(TInt aErr,  CBTDeviceArray* aDeviceArray);

        /**

         * From MBTEngDevManObserver

         */

        void HandleDevManComplete(TInt aErr);        

    private:

        /**

         * Create the device search active object and prepare for search.

         */

        void CreateScannerL();

        /**

        * Removes the device search active object if it still exists.

        * @param None.

        * @return None.

        */

        void RemoveScanner();

        /**

        * Retrieves paired devices from BT Registry

        * Calls HandleGetDevicesComplete, when done

        */

        void RetrievePairedDevices();

        /**

        * Retrieves used devices from BT Registry

        * Calls HandleGetDevicesComplete, when done

        * @return None.        

        */

        void RetrieveUsedDevices();

        /**

        * Searches given BT Device from device array.

        * @param aDeviceArray The device array to search in 

        * @param aDevice The device to be searched.

        * @return Index of the device if found.

        */

        TInt LookupFromDevicesArray( const CBTDeviceArray* aDeviceArray, const CBTDevice* aDevice ) const;

        /**

        * Constructs a device popup list from resources.

        * @param aSoftkeysResourceId Resource id for softkeys of the list.

        * @param aTitleResourceId Resource id for the title of the list.

        * @return None.

        */

        void CreatePopupListL(TInt aSoftkeysResourceId, TInt aTitleResourceId );

        /**

        * Generates a format string and adds it to iDeviceItems array.

        * Updates friendly name of given device if one is found from registry.

        * @param aDevice The device to be added to list.

        * @param aSignalStrength The signal bar for RSSI

        * @return None.

        */

        void UpdateDeviceListL(CBTDevice* aDevice, const TInt aSignalStrength = 0 );             

		/**

        * Creates and adds local bitmap to icon array.

        * @param aID Item ID of the masked bitmap to be created.

        * @param aFilename Filename to be used to construct the item.

        * @param aBitmapId The ID if bitmap 

        * @param aMaskId The ID of bitmap's mask

		* @param aIconList The icon list for BT devices listbox.

        */

        void CreateAndAppendIconL( const TAknsItemID& aID,

			     				   const TDesC& aFileName,

								   const TInt aBitmapId,

								   const TInt aMaskId,

								   CAknIconArray* aIconList);

        /**

        * Adjust array, leave 5 lastet used devices in the array and remove the rest,

        * and then insert the paired device array to this array by used time order.

        * In the adjusted array, the first item will be the most lately used device.

        * @param aDevArray The bluetooth device arrary to be adjusted.

        * @return None.

        */

		void AdjustDeviceArrayL( CBTDeviceArray* aDevArray);

		/**

		* Filter for searching device

		* @param The desired device class user selects from the filter

		* @return User's input select/cancel

		*/

		void SelectSearchCategoryL();

		/**

		* Add filtering items to search device filter

		* @param aResourceId

		* @return None

		*/

		void AddItemToSearchFilterL ( TInt aResourceId );

		/**

		* Show query to ask if unblock device

		* @param aDevice Selected device

		* @return Keypress value

		*/

		TInt QueryUnblockDeviceL(CBTDevice* aDevice);

		 /**

         * The callback function for CPeriodic 

         * to reset the inactivity time

         */

		 static TInt PeriodicTimerCallBack(TAny* /*aAny*/);

	     void GetColorIconL( TFileName& aFilename, TAknsItemID aItemID, TInt aPic, TInt aPicmask, CAknIconArray* aIconList );

        /**

        * Check if VoIP call is ongoing via WLAN connection.

        * @return true if it is; false otherwise.

        */

        TBool IsActiveVoIPOverWLAN();

        void DoDeviceFrontListSelection();

        /**

        * Displays previous inquiry results.

        */

        void DisplayDevicesFrontListL();

        /**

         * Unblock device after unblock query.

         * @param aIndex Parameter containing information about selected device.

         * @return Symbian OS error code.

         */

        TInt UnblockDevice(TInt aIndex);

        void DeviceSearchUiL();

        /**

         * the initiator of inquiry until the first device found, or no device found, or

         * other reasons causing inquiry stopped.

         * @param aReason the reason of the search completion

         */

        TSearchFlowState InitInquiryL(TInt& aReason);

        void HandleDeviceSelectionL(CBTDevice* aDev);

        /**

         * Adds found Bluetooth device into popup list.

         * @param aInquiryResultRecord TNameEntry and flag, which indicates if Eir device.

         */

        void DeviceAvailableL( const TNameRecord& aNameRecord, const TDesC& aDevName);

        /**

        * The inquiry has been completed.

        * @param aError Status code of the operation.

        * @return None.

        */

        void InquiryComplete( TInt aError );

        /**

         * Inform the caller of the properties of found BTdevice, 

         * which passes the search filter. Its name will be retrived later

         */

        void HandleInquiryDeviceL();

        void HandleFoundNameL();   

        /**

         * Allow/Disallow dialer and app key presses.

         * @param aAllow ETrue to allow  key press; EFalse to disallow.

         */

        void AllowDialerAndAppKeyPress( TBool aAllow );

    private:  // Data

        CBTNotifUIUtil*         iUiUtil;

        CBTDeviceArray*         iLastSeenDevicesArray;            // Last seen devices array from BTInqNotifier

        CBTDeviceArray*         iLastUsedDevicesArray;           // Used devices from BT registry

        CBTDeviceArray*         iPairedDevicesArray;             // Paired devices from Bluetooth registry

        CBTDeviceArray*         iAdjustedUsedDeviceArray;         // 5 Lately used devices + All the Paired devices 

        CBTEngDevMan*           iDevMan;                        //Async deviceHandler

        CDesCArray*             iDefaultDeviceNamesArray;        // Default device names array

        CEikonEnv&              iEikonEnvRef;                    // Reference to eikonenv        

        CAknPopupList*          iDevicePopupList;                // Popup list for devices        

        CDesCArrayFlat*         iDeviceListRows;                 // Array for device list format string rows

        CAknSingleGraphicPopupMenuStyleListBox* iDeviceListBox; // ListBox for bluetooth devices

        CAknPopupList*          iSearchFilterPopupList;

        CBTNotifActive*         iScanner;

        TBool                   iDevicesFound;                   // Flag if any devices has been found

        TBool                   iInquiryComplete;

        TBool                   iBroughtForwards;                // Flag for BringForwards

        TInt                    iInquiryStatus;                  // Error code from inquiry result

        TBTRegistryQueryState     iBTRegistryQueryState;            // which registry query (if any) is in progress.

        TBTDeviceClass            iDesiredDeviceClass;         // Device Class user selects from search filter 

        CPeriodic* iPeriodicTimer; // the timer for reseting the user inactivity time

        TBool                   iSystemCancel;               // Used for a trick to avoid final device list is still on show 

                                                                // while taking out mmc during BT device discovery 

        TBTDeviceResponseParams iDevParams;

        TInt iHighLightedItemIndex;

        RSocketServ         iSocketServer;      // Socket server object

        RHostResolver       iHostResolver;      // Host resolver object

        TInquirySockAddr    iInquirySockAddr;   // Socket address record

        TNameEntry          iEntry;             // Inquiry results record

        TBool               iPageForName;    // Flag for inquiry name

        RArray<TNameRecord> iDevsWithoutName;    // Devices without dev name 

        TInt                iIndex;             // Current btdevice to inquiry its name 

        MBTNDeviceSearchObserver* iDevSearchObserver;

		TBool               iExcludePairedDevices;

    };

#endif

// End of File