/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* 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:

* CM Manager Application Settings UI private implementation.  

*/

// System includes

#include <HbApplication>

#include <HbLabel>

#include <cmmanager_shim.h>

// User includes

#include "cmradiodialog.h"

#include "cmapplsettingsui_p.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "cmapplsettingsui_pTraces.h"

#endif

/*!

    \class CmApplSettingsUiPrivate

    \brief Private implementation class for Application Settings UI.

    Displays a radio button list dialog for an application that can be used

    to select a destination or connection method.

*/

// External function prototypes

// Local constants

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor.

    @param q_pointer Parent object.

 */

CmApplSettingsUiPrivate::CmApplSettingsUiPrivate(CmApplSettingsUi *q_pointer) :

    QObject(q_pointer),

    q_ptr(q_pointer),

    mListItems(

        CmApplSettingsUi::ShowDestinations |

        CmApplSettingsUi::ShowConnectionMethods),

    mSettingData(),

    mDestinationDialog(0),

    mConnMethodDialog(0),

    mSelection(),

    mDestinations(),

    mConnMethods()

{   

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_CMAPPLSETTINGSUIPRIVATE_ENTRY);

    // Initialize to default selection

    mSelection.result = CmApplSettingsUi::SelectionTypeDestination;

    mSelection.id = 0;

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_CMAPPLSETTINGSUIPRIVATE_EXIT);

}

/*!

    Destructor.

 */

CmApplSettingsUiPrivate::~CmApplSettingsUiPrivate()

{

    OstTraceFunctionEntry0(DUP1_CMAPPLSETTINGSUIPRIVATE_CMAPPLSETTINGSUIPRIVATE_ENTRY);

    OstTraceFunctionExit0(DUP1_CMAPPLSETTINGSUIPRIVATE_CMAPPLSETTINGSUIPRIVATE_EXIT);

}

/*!

    Options setter. 

    @param[in] listItems Dialog list items configuration.

    @param[in] bearerFilter Dialog Connection Method bearer filter.

 */

void CmApplSettingsUiPrivate::setOptions(

    const QFlags<CmApplSettingsUi::SelectionDialogItems> &listItems,

    const QSet<CmApplSettingsUi::BearerTypeFilter> &bearerFilter)

{

    // Store the options

    mListItems = listItems;

    mSettingData.setBearerFilter(bearerFilter);

}

/*!

    Dialog selection setter.

    @param[in] selection Dialog selection to set.

 */

void CmApplSettingsUiPrivate::setSelection(

    const CmApplSettingsUi::SettingSelection &selection)

{

    // Set the selection.

    // If the selection is invalid, it is ignored later on,

    // and default is used instead.

    mSelection = selection;

}

/*!

    Dialog selection getter. Returns the current selection.

    @return Current dialog selection.

 */

CmApplSettingsUi::SettingSelection CmApplSettingsUiPrivate::selection() const

{

    return mSelection;

}

/*!

    This function runs the dialog asynchronously. Use the setters to

    configure the dialog before running. After the dialog has been closed

    (accepted or cancelled), the signal finished() is emitted.

 */

void CmApplSettingsUiPrivate::open()

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_OPEN_ENTRY);

    // Fetch filtered Destinations and Connection Methods

    bool settingsRead = true;

    if (mListItems.testFlag(CmApplSettingsUi::ShowDestinations)) {

        settingsRead = mSettingData.fetchDestinations(mDestinations);

    }

    if (mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)) {

        settingsRead &= mSettingData.fetchConnMethods(mConnMethods);

    }

    if (!settingsRead) {

        // Settings reading failed

        emitFinished(CmApplSettingsUi::ApplSettingsErrorSettingsRead);

    } else if (mListItems.testFlag(CmApplSettingsUi::ShowDestinations)) {

        // Start with destination view

        runDestinationDialog();

    } else if (mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)) {

        // Start directly with connection method view

        runConnectionMethodDialog();

    } else {

        // Nothing to show, so finish

        emitFinished(CmApplSettingsUi::ApplSettingsErrorNoContent);

    }

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_OPEN_EXIT);

}

/*!

    Destination selection dialog execution.

 */

void CmApplSettingsUiPrivate::runDestinationDialog()

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_RUNDESTINATIONDIALOG_ENTRY);

    // Check that there is some content to show:

    // -At least one Destination

    // -Or at least one Connection Method under "Dedicated access point"

    if (mDestinations.isEmpty()

        && (!mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)

            || mConnMethods.isEmpty())) {

        // Nothing to show, so finish

        emitFinished(CmApplSettingsUi::ApplSettingsErrorNoContent);

        OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_RUNDESTINATIONDIALOG_EXIT);

        return;

    }

    // Create a new Destination dialog

    delete mDestinationDialog;

    mDestinationDialog = new CmRadioDialog(this);

    mDestinationDialog->setType(CmRadioDialogTypeDestination);

    // Add Dedicated access point option if requested & supported

    if (mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)

        && !mConnMethods.isEmpty()) {

        QSet<CmRadioDialogOpt> options;

        options.insert(CmRadioDialogOptDedicatedAP);

        mDestinationDialog->setOptions(options);

    }

    // Add destinations to the dialog

    QStringList destinations;

    for (int i = 0; i < mDestinations.count(); i++) {

        destinations << mDestinations[i]->name;

    }

    mDestinationDialog->setItems(destinations);

    // Set selection

    int index = 0;          // Default index is the first

    if (mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)

        && mSelection.result == CmApplSettingsUi::SelectionTypeConnectionMethod

        && !mConnMethods.isEmpty()) {

        // Dedicated access point

        index = destinations.count();

    } else {

        int destinationIndex = findDestination(mSelection.id);

        if (destinationIndex != ItemNotFound) {

            index = destinationIndex;

        }

    }

    mDestinationDialog->setSelected(index);

    // Execute the dialog

    bool connected = connect(

        mDestinationDialog,

        SIGNAL(finished(bool)),

        this,

        SLOT(destinationDialogResult(bool)));

    Q_ASSERT(connected);

    mDestinationDialog->open();

    OstTraceFunctionExit0(DUP1_CMAPPLSETTINGSUIPRIVATE_RUNDESTINATIONDIALOG_EXIT);

}

/*!

    Connection method selection dialog execution.

 */

void CmApplSettingsUiPrivate::runConnectionMethodDialog()

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_RUNCONNECTIONMETHODDIALOG_ENTRY);

    // Check that there is at least one Connection Method to show

    if (mConnMethods.count() == 0) {

        // Nothing to show, so finish

        emitFinished(CmApplSettingsUi::ApplSettingsErrorNoContent);

        OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_RUNCONNECTIONMETHODDIALOG_EXIT);

        return;

    }

    // Create a dialog & configure it

    delete mConnMethodDialog;

    mConnMethodDialog = new CmRadioDialog(this);

    mConnMethodDialog->setType(CmRadioDialogTypeAccessPoint);

    // Add connection methods to the dialog

    QStringList connectionMethods;

    for (int i = 0; i < mConnMethods.count(); i++) {

        connectionMethods << mConnMethods[i]->name;

    }

    mConnMethodDialog->setItems(connectionMethods);

    // Set selection

    int index = findConnectionMethod(mSelection.id);

    if (index == ItemNotFound) {

        // Connection Method not found

        index = 0;

    }

    mConnMethodDialog->setSelected(index);

    // Execute the dialog

    bool connected = connect(

        mConnMethodDialog,

        SIGNAL(finished(bool)),

        this,

        SLOT(connMethodDialogResult(bool)));

    Q_ASSERT(connected);

    mConnMethodDialog->open();

    OstTraceFunctionExit0(DUP1_CMAPPLSETTINGSUIPRIVATE_RUNCONNECTIONMETHODDIALOG_EXIT);

}

/*!

    Destination search function.

    @param destinationId Destination ID.

    @return Returns index if found, and ItemNotFound if not. 

 */

int CmApplSettingsUiPrivate::findDestination(uint destinationId) const

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_FINDDESTINATION_ENTRY);

    int result = ItemNotFound;

    for (int i = 0; i < mDestinations.count(); i++) {

        if (mDestinations[i]->id == destinationId) {

            result = i;

            break;

        }

    }

    OstTraceExt2(

        TRACE_NORMAL,

        CMAPPLSETTINGSUIPRIVATE_FINDDESTINATION,

        "CmApplSettingsUiPrivate::findDestination;destinationId=%u;result=%d",

        destinationId,

        result);

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_FINDDESTINATION_EXIT);

    return result;

}

/*!

    Connection Method search function.

    @param connMethodId Connection Method ID.

    @return Returns index if found, and ItemNotFound if not. 

 */

int CmApplSettingsUiPrivate::findConnectionMethod(uint connMethodId) const

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_FINDCONNECTIONMETHOD_ENTRY);

    int result = ItemNotFound;

    for (int i = 0; i < mConnMethods.count(); i++) {

        if (mConnMethods[i]->id == connMethodId) {

            result = i;

            break;

        }

    }

    OstTraceExt2(

        TRACE_NORMAL,

        CMAPPLSETTINGSUIPRIVATE_FINDCONNECTIONMETHOD,

        "CmApplSettingsUiPrivate::findConnectionMethod;connMethodId=%u;result=%d",

        connMethodId,

        result);

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_FINDCONNECTIONMETHOD_EXIT);

    return result;

}

/*!

   Emits the completion signal "finished(uint)".

   @param status Finishing status code.

 */

void CmApplSettingsUiPrivate::emitFinished(uint status) const

{

    OstTrace1(

        TRACE_NORMAL,

        CMAPPLSETTINGSUIPRIVATE_EMITFINISHED,

        "CmApplSettingsUiPrivate::emitFinished;status=%u",

        status);

    emit q_ptr->finished(status);

}

/*!

    Destination dialog result handling slot.

    @param success Destination dialog result - TRUE if accepted.

 */

void CmApplSettingsUiPrivate::destinationDialogResult(bool success)

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_DESTINATIONDIALOGRESULT_ENTRY);

    if (success) {

        // Dialog was accepted - user clicked "OK"

        int index = mDestinationDialog->selected();    

        if (mListItems.testFlag(CmApplSettingsUi::ShowConnectionMethods)

            && index == mDestinations.count()) {

            // Dedicated access point was selected

            runConnectionMethodDialog();

        } else {

            // Destination was selected

            mSelection.result = CmApplSettingsUi::SelectionTypeDestination;

            mSelection.id = mDestinations[index]->id;

            emitFinished(CmApplSettingsUi::ApplSettingsErrorNone);

        }

    } else {

        // Dialog was cancelled - user clicked "Cancel"

        emitFinished(CmApplSettingsUi::ApplSettingsErrorCancel);

    }

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_DESTINATIONDIALOGRESULT_EXIT);

}

/*!

    Connection method dialog result handling slot.

    @param success Connection method dialog result - TRUE if accepted.

 */

void CmApplSettingsUiPrivate::connMethodDialogResult(bool success)

{

    OstTraceFunctionEntry0(CMAPPLSETTINGSUIPRIVATE_CONNMETHODDIALOGRESULT_ENTRY);

    if (success) {

        // Dialog was accepted - user clicked "OK"

        int index = mConnMethodDialog->selected();

        mSelection.result = CmApplSettingsUi::SelectionTypeConnectionMethod;

        mSelection.id = mConnMethods[index]->id;

        emitFinished(CmApplSettingsUi::ApplSettingsErrorNone);

    } else {

        // Dialog was cancelled - user clicked "Cancel"

        emitFinished(CmApplSettingsUi::ApplSettingsErrorCancel);

    }

    OstTraceFunctionExit0(CMAPPLSETTINGSUIPRIVATE_CONNMETHODDIALOGRESULT_EXIT);

}