/*

* Copyright (c) 2008-2009 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:    Show on map command handler

*

*/

#include "glxcommandhandleraiwshowmap.h"

#include <e32math.h>

#include <glxattributecontext.h>

#include <glxcommandhandlers.hrh>

#include <glxmedia.h>

#include <glxuiutilities.rsg>

#include <glxmediageneraldefs.h>

#include <glxtracer.h>

#include <mglxmedialist.h>

// For LocationFW

#include <EPos_CPosLandmark.h>

#include <epos_poslandmarkserialization.h>

#include <lbsposition.h>

#include "glxaiwservicehandler.h"

const TInt KGlxAiwShowMapCommandSpace = 0x00000400;

// -----------------------------------------------------------------------------

// NewL

// -----------------------------------------------------------------------------

//	

EXPORT_C CGlxCommandHandlerAiwShowMap* CGlxCommandHandlerAiwShowMap::NewL(

    MGlxMediaListProvider* aMediaListProvider, TInt aMenuResource )

    {

    TRACER("CGlxCommandHandlerAiwShowMap::NewL");

    CGlxCommandHandlerAiwShowMap* self = new ( ELeave ) 

        CGlxCommandHandlerAiwShowMap( aMediaListProvider, aMenuResource );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

// Destructor

// -----------------------------------------------------------------------------

//

CGlxCommandHandlerAiwShowMap::~CGlxCommandHandlerAiwShowMap()

    {

    iBufferArray.ResetAndDestroy();

    }

// -----------------------------------------------------------------------------

// Constructor

// -----------------------------------------------------------------------------

//	

CGlxCommandHandlerAiwShowMap::CGlxCommandHandlerAiwShowMap(

    MGlxMediaListProvider* aMediaListProvider, TInt aMenuResource )

        : CGlxCommandHandlerAiwBase( aMediaListProvider, aMenuResource )

    {

    }

// -----------------------------------------------------------------------------

// CGlxCommandHandlerAiwShowMap::DoGetRequiredAttributesL

// -----------------------------------------------------------------------------

//	

void CGlxCommandHandlerAiwShowMap::DoGetRequiredAttributesL

                    (RArray<TMPXAttribute>& aAttributes, TBool aFilterUsingSelection) const

    {

	if (!aFilterUsingSelection || SelectionLength() <= MaxSelectedItems())

		{

		aAttributes.AppendL(KGlxMediaGeneralLocation);

		}

    }

// -----------------------------------------------------------------------------

// AiwDoDynInitMenuPaneL

// -----------------------------------------------------------------------------

//	

void CGlxCommandHandlerAiwShowMap::AiwDoDynInitMenuPaneL(TInt /*aResourceId*/, 

        CEikMenuPane* aMenuPane)

    {

	TInt num_items = aMenuPane->NumberOfItemsInPane();

	// Iterate through menu pane

	TInt i = 0;

	while (i < num_items)

		{

		CEikMenuPaneItem::SData& item = aMenuPane->ItemDataByIndexL(i);

        // "Show on map" cannot be dimmed as AIW resets the flags to not dimmed

        // Have to delete the menu item in this case.

        if (EGlxCmdAiwShowMap == item.iCommandId)

            {

            // Check visibility of the menu item

            TBool isDisabled = IsItemWithLocationInfoSelected(MediaList());

            // Should it be disabled

                {

                // if so delete it. 

                aMenuPane->DeleteMenuItem(EGlxCmdAiwShowMap);

                }

            break;

            }

        ++i;

		}

    }

// -----------------------------------------------------------------------------

// CommandId

// -----------------------------------------------------------------------------

//	

TInt CGlxCommandHandlerAiwShowMap::CommandId() const

    {

    TRACER("CGlxCommandHandlerAiwShowMap::CommandId");

    return EGlxCmdAiwShowMap;

    }

// -----------------------------------------------------------------------------

// AiwCommandId

// -----------------------------------------------------------------------------

//	

TInt CGlxCommandHandlerAiwShowMap::AiwCommandId() const

    {

    TRACER("CGlxCommandHandlerAiwShowMap::AiwCommandId");

    return KAiwCmdMnShowMap;

    }

// -----------------------------------------------------------------------------

// AiwInterestResource

// -----------------------------------------------------------------------------

//	

TInt CGlxCommandHandlerAiwShowMap::AiwInterestResource() const

    {

    TRACER("CGlxCommandHandlerAiwShowMap::AiwInterestResource");

    return R_GLX_AIW_SHOWMAP_INTEREST;

    }

// -----------------------------------------------------------------------------

// AppendAiwParameterL

// -----------------------------------------------------------------------------

//	

TBool CGlxCommandHandlerAiwShowMap::AppendAiwParameterL(const TGlxMedia& aItem, 

                                     CGlxAiwServiceHandler& aAiwServiceHandler)

    {

    TRACER("CGlxCommandHandlerAiwShowMap::AppendAiwParameterL");

    TBool success = EFalse;

    // Cleanup before execution

    iBufferArray.ResetAndDestroy();

    TCoordinate coordinate;

    if (aItem.GetCoordinate(coordinate))

        {

        // Create a landmark from the coordinate

        CPosLandmark* landmark = CPosLandmark::NewLC();

        TRealX noNumber;

        noNumber.SetNaN();   // Not a Number

        TLocality locality( coordinate, noNumber );

        // locality must have valid (ie not NaN) values

        landmark->SetPositionL( locality );

        // Serialize buffer to landmark and append it to AIW parameter

        const HBufC8* landmarkBuf = 

            PosLandmarkSerialization::PackL( *landmark );

        // we have ownership of landmarkBuf so add to array

        // for cleanup on our destruction

        iBufferArray.AppendL( landmarkBuf );

         // Append location parameter to the AIW param list

        TAiwVariant landmarkVariant( *landmarkBuf );        

        TAiwGenericParam landmarkParam( EGenericParamLandmark, landmarkVariant );

        aAiwServiceHandler.AddParamL(aItem.Id(), landmarkParam );

        success = ETrue;

        CleanupStack::PopAndDestroy( landmark );

        }

    return success;

    }

// -----------------------------------------------------------------------------

// CommandSpace

// -----------------------------------------------------------------------------

//	

TInt CGlxCommandHandlerAiwShowMap::CommandSpace() const

    {

    TRACER("CGlxCommandHandlerAiwShowMap::CommandSpace");

    return KGlxAiwShowMapCommandSpace;

    }

// -----------------------------------------------------------------------------

// DoIsDisabled

// -----------------------------------------------------------------------------

//

// 

TBool CGlxCommandHandlerAiwShowMap::IsItemWithLocationInfoSelected(MGlxMediaList& aList )

    {

    TRACER("CGlxCommandHandlerAiwShowMap::DoIsDisabled");

    // Disable the "Show on map" menu item if the selection (marked list,

    // or focused item if none marked) does not contain any items 

    // that have location data

    TBool isSupported = EFalse;

    // Check through all, if any, selected items, otherwise the focused item

    TGlxSelectionIterator iterator;

    iterator.SetToFirst( &aList );

    // Loop until a supported item is found or until there are no

    // more indexes to process

    TInt index = KErrNotFound;

    while ( KErrNotFound != (index = iterator++ ) && !isSupported )

        {

        // get the media item

        const TGlxMedia& media = aList.Item( index );

        // Test to see if the coordinate is present

        TCoordinate coordinate;

        isSupported = media.GetCoordinate(coordinate);

        }

    // Don't disable the menu item if the property's supported

    return !isSupported;

    }

// -----------------------------------------------------------------------------

// PreDynInitMenuPaneL

// -----------------------------------------------------------------------------

//

void CGlxCommandHandlerAiwShowMap::PreDynInitMenuPaneL(TInt aResourceId)

	{

	CGlxCommandHandlerAiwBase::PreDynInitMenuPaneL(aResourceId);

	}