bluetoothengine/btnotif/src/BTNInquiAO.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 09 Jun 2010 09:52:54 +0300
branchRCL_3
changeset 35 95674584745d
parent 20 2f88a7d66f50
permissions -rw-r--r--
Revision: 201021 Kit: 2010123
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Part of CBTInqUI class: use Active object to search BT devices.
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*
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*/
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#include "btninqui.h"
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#include "btNotifDebug.h"
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/**  Identification for active object request */
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const TInt KBTNotifInquiryNotifierReq = 20;
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// ----------------------------------------------------------
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// CBTInqUI::PrepareScannerL
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// ----------------------------------------------------------
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//
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void CBTInqUI::CreateScannerL()
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    {
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    FLOG(_L("[BTNOTIF]\t CBTInqUI::CreateScannerL()"));
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    __ASSERT_DEBUG( iScanner == NULL, User::Panic(_L("BTNotifInqUI - iScanner not released!"),KErrAlreadyExists));
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    // Create scanner object which will do the actual search
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    iScanner = CBTNotifActive::NewL( this, KBTNotifInquiryNotifierReq, CActive::EPriorityStandard );
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    User::LeaveIfError( iSocketServer.Connect() );
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    TProtocolDesc pInfo;
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    User::LeaveIfError( iSocketServer.FindProtocol( _L("BTLinkManager"), pInfo));
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    User::LeaveIfError( iHostResolver.Open(iSocketServer, pInfo.iAddrFamily, pInfo.iProtocol));
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    IssueRequestL();
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    FLOG(_L("[BTNOTIF]\t CBTInqUI::CreateScannerL() completed"));
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    }
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// ----------------------------------------------------------
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// CBTInqUI::IssueRequestL
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// Issue Bluetooth device inquiry/search itself.
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// Reads also inquiry mode from shared data.
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// ----------------------------------------------------------
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//
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void CBTInqUI::IssueRequestL()
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    {
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    FLOG(_L("[BTNOTIF]\t CBTInqUI::IssueRequestL()"));
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    if (reinterpret_cast<CBTNotifierBase*>(iDevSearchObserver)->AutoLockOnL())
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        {
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        // Cancel bt inquiry immediately if device is locked.
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        FLOG(_L("[BTNOTIF]\t CBTInqUI::IssueRequestL() Device is locked"));
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        Cancel();
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        return;
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        }
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0
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    TUint action = 0; 
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    if( !iPageForName )
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        {
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        action = KHostResInquiry + KHostResEir + KHostResIgnoreCache;
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        }
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    else
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        {
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        TInt firstPartialNameDevIndex;
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        if (HaveDevsWithPartialName(firstPartialNameDevIndex))
0
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            {
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            FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::IssueRequestL() looking up device index %d (have partial name already)"), firstPartialNameDevIndex));
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0
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            action = KHostResName + KHostResIgnoreCache;
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            TInquirySockAddr sa;
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            sa.SetBTAddr(iLastSeenDevicesArray->At(firstPartialNameDevIndex)->BDAddr());
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            iInquirySockAddr.SetBTAddr( sa.BTAddr() );            
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            }
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        else if( iCurrentlyResolvingUnnamedDeviceIndex < iDevsWithoutName.Count() )
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            {
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            FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::IssueRequestL() looking up device index %d (currently anonymous)"), iCurrentlyResolvingUnnamedDeviceIndex));
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            action = KHostResName + KHostResIgnoreCache;
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            TInquirySockAddr& sa = TInquirySockAddr::Cast( iDevsWithoutName[iCurrentlyResolvingUnnamedDeviceIndex].iAddr );
0
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            iInquirySockAddr.SetBTAddr( sa.BTAddr() );            
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            }
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        }
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    if (action)
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        {
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        iInquirySockAddr.SetAction( action ); 
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        iInquirySockAddr.SetIAC(KGIAC);
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        iHostResolver.GetByAddress( iInquirySockAddr, iEntry, iScanner->RequestStatus() );
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        iScanner->GoActive();
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        }
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    else
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        {
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        FLOG(_L("[BTNOTIF]\t CBTInqUI::RunL() All name inquiries complete ."));
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        iPageForName = EFalse;
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        iCurrentlyResolvingUnnamedDeviceIndex = 0;
0
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        InquiryComplete( KErrNone );
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        }
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    FLOG(_L("[BTNOTIF]\t CBTInqUI::IssueRequestL() completed"));
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    }
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// ----------------------------------------------------------
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// CBTInqUI::RequestCompletedL
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// BT-device or timeout has been received. Inform caller for
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// received device and issue next EIR/Name request.
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// ----------------------------------------------------------
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//
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void CBTInqUI::RequestCompletedL( CBTNotifActive* aActive, TInt aId, TInt aStatus )
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    {
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    FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() status: %d >>"), aStatus ));
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    ASSERT( aId == KBTNotifInquiryNotifierReq);
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    (void) aActive;
35
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   116
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    TInt firstPartialNameDevIndex = -1;
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    const TBool haveDevsWithPartialName = HaveDevsWithPartialName(firstPartialNameDevIndex);
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0
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    if( aStatus == KErrNone )
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        {
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        if( iPageForName )
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            {
35
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            FLOG(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() in name request state."));
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   125
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            if (haveDevsWithPartialName)
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                {
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                // We resolve names in chronological order so it must be the first device
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                // with an incomplete name we can find on the last seen list.
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                HandleUpdatedNameL(firstPartialNameDevIndex);
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                }
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            else
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                {
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                // Must be the current index in iDevsWithoutName.
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                HandleFoundNameL();
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                iCurrentlyResolvingUnnamedDeviceIndex++;
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                }
0
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            IssueRequestL();
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            }
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        else
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   141
            {
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            HandleInquiryDeviceL();
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   143
            iHostResolver.Next( iEntry, iScanner->RequestStatus() );
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   144
            iScanner->GoActive();
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            }
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   146
        }
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    else if( aStatus == (KHCIErrorBase - EPageTimedOut) && iPageForName )
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        {
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        FLOG(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() HCI:EPageTimeOut, page next one."));
35
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        if (haveDevsWithPartialName)
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            {
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            // A device with incomplete name has probably gone out of range. Just removing
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            // it from the UI may be a bit confusing, so let's just update its RSSI indicator
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            // to minimum.
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            PageTimeoutOnDeviceWithPartialNameL(firstPartialNameDevIndex);
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   156
            }
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        else
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   158
            {
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            iCurrentlyResolvingUnnamedDeviceIndex++;            
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   160
            }
0
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        IssueRequestL();
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   162
        }
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   163
    else
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   164
        {
35
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   165
        if( !iPageForName && (iDevsWithoutName.Count() > 0 || haveDevsWithPartialName) )
0
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   166
            {
35
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   167
            FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() have devs with incomplete name = %d, nameless devices %d, paging for name."), 
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   168
                    haveDevsWithPartialName, iDevsWithoutName.Count() ));
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   169
            iCurrentlyResolvingUnnamedDeviceIndex = 0;
0
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            iPageForName = ETrue;
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   171
            IssueRequestL();
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   172
            }
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   173
        else
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parents:
diff changeset
   174
            {
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   175
            FLOG(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() NameInquiryComplete with error or no device found."));
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   176
            HandleError( aActive, aId, aStatus );
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   177
            }
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   178
        }
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   179
    FLOG(_L("[BTNOTIF]\t CBTInqUI::RequestCompletedL() <<"));
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    }
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   181
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// ----------------------------------------------------------
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// CBTInqUI::HandleError
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// Inform UI from error occured.
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// ----------------------------------------------------------
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//
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   187
void CBTInqUI::HandleError( CBTNotifActive* aActive, TInt aId, TInt aError )
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   188
    {
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   189
    FLOG(_L("[BTNOTIF]\t CBTInqUI::HandleError()"));
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    (void) aActive;
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    (void) aId;
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   192
    iPageForName = EFalse;
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   193
    InquiryComplete( aError );
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   194
    FLOG(_L("[BTNOTIF]\t CBTInqUI::HandleError() completed"));
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   195
    }
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   196
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   197
// ----------------------------------------------------------
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   198
// CBTInqUI::DoCancelRequest
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   199
// ----------------------------------------------------------
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   200
//
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   201
void CBTInqUI::DoCancelRequest( CBTNotifActive* aActive, TInt aId )
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   202
    {
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    (void) aActive;
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    (void) aId;
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   205
    iHostResolver.Cancel();
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   206
    }
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diff changeset
   207
	
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// ----------------------------------------------------------
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   209
// CBTInqUI::HandleInquiryDeviceL
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   210
// Inform of properties of the found BTdevice,   
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   211
// which passes the search filter. Its name would be retrived 
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parents:
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   212
// later if not contained by the first round of inquiry.   
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   213
// ----------------------------------------------------------
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   214
//
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   215
void CBTInqUI::HandleInquiryDeviceL()
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   216
    {
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   217
    TInquirySockAddr& sa = TInquirySockAddr::Cast( iEntry().iAddr );
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   218
    
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   219
    if ( iDesiredDeviceClass.DeviceClass() == 0 || sa.MajorClassOfDevice() == iDesiredDeviceClass.MajorDeviceClass() )
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   220
        {
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   221
        FLOG(_L("[BTNOTIF]\t CBTInqUI::HandleInquiryDeviceL() The found device passes the search filter."));
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parents:
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   222
#ifdef _DEBUG
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   223
    TBuf<12> devAddrString;
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parents:
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   224
    sa.BTAddr().GetReadable(devAddrString);
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    FTRACE(FPrint(_L("[BTNOTIF]\t BT Address: %S"), &devAddrString));
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#endif
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        TBTDeviceName devName;
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        TBool isNameComplete(EFalse);
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        TBool nameGotten = CheckEirDeviceName( iEntry, devName, isNameComplete );
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        FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::HandleInquiryDeviceL() EIR device name? %d, %S, complete = %d"), nameGotten, &devName, isNameComplete ));
0
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        if( nameGotten )
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            {
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            DeviceAvailableL( iEntry(), devName, isNameComplete );
0
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            }
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        else
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            {
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            iDevsWithoutName.AppendL( iEntry() );
0
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            }
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        }
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    }
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// ----------------------------------------------------------
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// CBTInqUI::HandleFoundNameL
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// Inform of retrieved device name after 2nd inquiry.  
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// ----------------------------------------------------------
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//
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void CBTInqUI::HandleFoundNameL()
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    {
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#ifdef _DEBUG
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    TBuf<12> devAddrString;
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    TInquirySockAddr& sa = TInquirySockAddr::Cast( iEntry().iAddr );
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    sa.BTAddr().GetReadable(devAddrString);
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    FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::HandleFoundNameL() BT Address: %S"), &devAddrString));
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#endif
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    if( iEntry().iName != KNullDesC )
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        {
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        FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::HandleFoundNameL() Name found: %S"), &(iEntry().iName) ));
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        DeviceAvailableL( iDevsWithoutName[iCurrentlyResolvingUnnamedDeviceIndex], iEntry().iName, ETrue );
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        }
0
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    FLOG(_L("[BTNOTIF]\t CBTInqUI::HandleFoundNameL() Complete"));
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    }
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void CBTInqUI::HandleUpdatedNameL(TInt aLastSeenIndex)
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    {
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#ifdef _DEBUG
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    TBuf<12> devAddrString;
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    TInquirySockAddr& sa = TInquirySockAddr::Cast( iEntry().iAddr );
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    sa.BTAddr().GetReadable(devAddrString);
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    FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::HandleUpdatedNameL() BT Address: %S"), &devAddrString));
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#endif
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    iLastSeenDevicesNameComplete[aLastSeenIndex] = ETrue;
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    if( iEntry().iName != KNullDesC )
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        {
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        DeviceNameUpdatedL(iEntry(), aLastSeenIndex);
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        }
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    FTRACE(FPrint(_L("[BTNOTIF]\t CBTInqUI::HandleUpdatedNameL() Complete")));
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    }
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0
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// ----------------------------------------------------------
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// CBTInqUI::CheckEirDeviceName
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// Check if the retrieved the device info contains device name.  
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// ----------------------------------------------------------
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//
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TBool CBTInqUI::CheckEirDeviceName( TNameEntry& aEntry, TBTDeviceName& aName, TBool& aIsComplete )
0
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    {
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    TBluetoothNameRecordWrapper eir( aEntry() );
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    TInt length = eir.GetDeviceNameLength();
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0
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    TInt err( KErrNone );
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0
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    if( length > 0 )
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        {            
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        err = eir.GetDeviceName( aName, aIsComplete);
0
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        return (!err);
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        }
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    return EFalse;
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    }
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// End of File