bluetoothengine/btui/btuidelegate/btdelegateInquiry.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:30:56 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2010 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: 
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*
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*/
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#include "btdelegateinquiry.h"
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#include "btdelegatepower.h"
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#include "btqtconstants.h"
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#include <btsettingmodel.h>
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#include <btdevicemodel.h>
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#include <bluetoothuitrace.h>
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BtDelegateInquiry::BtDelegateInquiry(
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        BtSettingModel* settingModel, 
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        BtDeviceModel* deviceModel, QObject* parent )
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    :BtAbstractDelegate( settingModel, deviceModel, parent )
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{
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    BOstraceFunctionEntry1( DUMMY_DEVLIST, this );
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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BtDelegateInquiry::~BtDelegateInquiry()
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{
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    BOstraceFunctionEntry1( DUMMY_DEVLIST, this );
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    if (isExecuting()) {
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        deviceModel()->cancelSearchDevice();
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    }
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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/*!
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    Returns the supported editor types.
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    \return the sum of supported editor types
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 */
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int BtDelegateInquiry::supportedEditorTypes() const
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{
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    return BtDelegate::Inquiry;
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}
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void BtDelegateInquiry::exec( const QVariant& params )
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{
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    BOstraceFunctionEntry1( DUMMY_DEVLIST, this );
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    Q_UNUSED(params);
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    BTUI_ASSERT_X(!isExecuting(), "BtDelegateInquiry::exec", "operation ongoing!");
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    bool ok(false);
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    setExecuting(true);
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    // Inquiry needs BT to be on.
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    if(!isBtPowerOn()) {
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        mPowerDelegate = new BtDelegatePower(settingModel(), deviceModel(), this);
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        ok = connect(
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                mPowerDelegate, SIGNAL(delegateCompleted(int,BtAbstractDelegate*)), 
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            this, SLOT(handleManagePowerCompleted(int)));
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        if (ok ) {
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            mPowerDelegate->exec(QVariant(BtPowerOn));
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        }
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    } else {
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        // No power management is required. Start inquiry immediately
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        ok = startInquiry();
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    }
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    if (!ok) {
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        completeDelegateExecution(KErrGeneral);
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    }
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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void BtDelegateInquiry::cancel()
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{
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    BOstraceFunctionEntry1( DUMMY_DEVLIST, this );
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    if (isExecuting()) {
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        deviceModel()->cancelSearchDevice();
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        setExecuting(false);
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    }
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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void BtDelegateInquiry::handleManagePowerCompleted(int error)
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{
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    if (isExecuting()) {
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        delete mPowerDelegate;
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        bool ok = (error == KErrNone);
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        if (ok) {
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            ok = startInquiry();
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        }
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        if (!ok) {
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            completeDelegateExecution(KErrGeneral);
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        }
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    }
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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void BtDelegateInquiry::handleSearchCompleted(int error)
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{
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    completeDelegateExecution(error? KErrGeneral : KErrNone);
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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}
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bool BtDelegateInquiry::startInquiry()
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{
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    BOstraceFunctionEntry1( DUMMY_DEVLIST, this );
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    // Make sure this connects the signal only once:
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    disconnect(deviceModel(), 0, this, 0);
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    bool ok = connect(deviceModel(), SIGNAL(deviceSearchCompleted(int)),
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            this, SLOT(handleSearchCompleted(int)));
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    if (ok ) {
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        ok = deviceModel()->searchDevice();
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    }
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    if (ok) {
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        // Inform the client that inquiry really starts now. With
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        // this signal, the client can thus prepare for showing inquiry results:
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        emit beginUiEditMode();
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    }
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    BOstraceFunctionExit0( DUMMY_DEVLIST );
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    return ok;
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}
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   127