/*

* 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:   This class browses file system

*

*/

// INCLUDE FILES

#include <e32cmn.h>

#include <mpxcollectionpath.h>

#include <mpxcollectionpluginobserver.h>

#include <mpxcmn.h>

#include <mpxcollectionmessagedefs.h>

#include <glxcollectionmessagedefs.h>

#include <mpxmediageneraldefs.h>

#include <mpxmediacontainerdefs.h>

#include <mpxmedia.h>

#include <mpxmediaarray.h>

#include <glxpluginalbums.rsg>

#include <StringLoader.h>

#include <glxtracer.h> 

#include "glxcollectionpluginalbums.h"

#include "glxcollectionpluginalbums.hrh"

#include <glxmediageneraldefs.h>

#include <glxmediacollectioninternaldefs.h>

#include <glxcollectiongeneraldefs.h>

#include <glxpanic.h>

#include <mglxdatasource.h>

#include <glxrequest.h>

#include <glxidlistrequest.h>

#include <glxfilterfactory.h>

#include <glxlog.h>

// CONSTANTS

const TInt KFavoriteAlbumId = 1 ;

const TInt KCapturedAlbumId = 2 ;

/**

 * @internal reviewed 14/06/2007 by Alex Birkett

 */

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

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

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

// Two-phased constructor.

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

//

CGlxCollectionPluginAlbums* CGlxCollectionPluginAlbums::NewL(TAny* aObs)

    {

    CGlxCollectionPluginAlbums* self = new (ELeave) CGlxCollectionPluginAlbums(

                            static_cast<MMPXCollectionPluginObserver*>(aObs));

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor

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

//

CGlxCollectionPluginAlbums::~CGlxCollectionPluginAlbums()

    {

    }

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

// Constructor

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

//

CGlxCollectionPluginAlbums::CGlxCollectionPluginAlbums(

    MMPXCollectionPluginObserver* aObs)

    {

    iObs = aObs;

    }

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

// ConstructL

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

//

void CGlxCollectionPluginAlbums::ConstructL()

    {

    iDataSource = MGlxDataSource::OpenDataSourceL(KGlxDefaultDataSourceUid, *this);

    }

void CGlxCollectionPluginAlbums::CpiAttributeAdditionalAttributes(const TMPXAttribute& aCpiAttribute, RArray<TMPXAttribute>& aAttributeArray)

    {

    TRACER("CGlxCollectionPluginAlbums::CpiAttributeAdditionalAttributes");

    // Only need to process KGlxMediaCollectionPluginSpecificSubTitle here as all the others are reading straight from resource files

    // KGlxMediaCollectionPluginSpecificSubTitle requires a usage count

    if (aCpiAttribute == KGlxMediaCollectionPluginSpecificSubTitle)

        {

        // need to add the usage count. but check first if it is already present

        TInt attrCount = aAttributeArray.Count();

        TBool found = EFalse;

        for ( TInt index = 0 ; index < attrCount ; index++)

            {

            if ( aAttributeArray[index] == KMPXMediaGeneralCount)

                {

                found = ETrue;

                break;

                }

            }

        if (!found)

            {

            aAttributeArray.Append(KGlxMediaCollectionInternalUsageCount);

            }

        }

    }

void CGlxCollectionPluginAlbums::HandleCpiAttributeResponseL(CMPXMedia* aResponse, TArray<TMPXAttribute> aCpiAttributes, TArray<TGlxMediaId> aMediaIds)

    {

    TRACER("CGlxCollectionPluginAlbums::HandleCpiAttributeResponseL");

    const TInt mediaIdCount = aMediaIds.Count();

    switch (mediaIdCount)

        {

    case 0:

        User::Leave(KErrNotSupported);

        break;

    case 1:

        HandleCpiAttributeResponseL(aResponse, aCpiAttributes, aMediaIds[0]);

        break;

    default:

            {

            // We have an array of CMPXMedia items

            if (TGlxMediaId(KGlxCollectionRootId) == aMediaIds[0])

                {

                User::Leave(KErrNotSupported);

                }

            CMPXMediaArray* mediaArray = aResponse->ValueCObjectL<CMPXMediaArray>(KMPXMediaArrayContents);

            CleanupStack::PushL(mediaArray);

            const TInt arrayCount = mediaArray->Count();

            // Sanity check

            if (arrayCount != mediaIdCount)

                {

                User::Leave(KErrArgument);

                }

            for (TInt index = 0; index < arrayCount; index++)

                {

                HandleCpiAttributeResponseL((*mediaArray)[index], aCpiAttributes, aMediaIds[index]);

                }

            aResponse->SetCObjectValueL(KMPXMediaArrayContents, mediaArray);

            CleanupStack::PopAndDestroy(mediaArray);

            }

        break;

        }

    }

void CGlxCollectionPluginAlbums::HandleCpiAttributeResponseL(CMPXMedia* aResponse, TArray<TMPXAttribute> aCpiAttributes, TGlxMediaId aMediaId)

    {

    _LIT(KResourceFile, "z:glxpluginalbums.rsc");

    const TInt attribCount = aCpiAttributes.Count();

    for (TInt index = 0; index < attribCount ; index++)

        {

        const TMPXAttribute attr = aCpiAttributes[index];

        if (attr == KGlxMediaCollectionPluginSpecificSubTitle)

            {

            TInt usageCount = 0;

            if ( aResponse->IsSupported(KMPXMediaGeneralCount) )

                {

                usageCount = aResponse->ValueTObjectL<TInt>(KMPXMediaGeneralCount);

                }

            else if ( aResponse->IsSupported(KGlxMediaCollectionInternalUsageCount) )

                {

                usageCount = aResponse->ValueTObjectL<TInt>(KGlxMediaCollectionInternalUsageCount);

                aResponse->Delete(KGlxMediaCollectionInternalUsageCount);

                }

            else

                {

                User::Leave(KErrNotSupported);

                }

            HBufC* tempTitle = NULL;

            if (TGlxMediaId(KGlxCollectionRootId) == aMediaId)

            	{

                if (1 == usageCount)

                	{

                    tempTitle = LoadLocalizedStringLC(KResourceFile, R_ALBUM_SUB_TITLE_SINGLE);

                	}

                else

                	{

                	tempTitle = LoadLocalizedStringLC(KResourceFile, R_ALBUM_SUB_TITLE_MULTI);

                	}

            	}

            else

            	{

            	if(0 == usageCount)

            		{

                	tempTitle = LoadLocalizedStringLC(KResourceFile, R_ALBUM_ITEM_SUB_TITLE_EMPTY);

                	// Set the title in the response.

            		aResponse->SetTextValueL(attr, *tempTitle);  

            		CleanupStack::PopAndDestroy(tempTitle);

            		continue;                	

            		}            	

            	else if (1 == usageCount)

                	{

                	tempTitle = LoadLocalizedStringLC(KResourceFile, R_ALBUM_ITEM_SUB_TITLE_SINGLE);

                	}

                else

                	{

                    tempTitle = LoadLocalizedStringLC(KResourceFile, R_ALBUM_ITEM_SUB_TITLE_MULTI);

                	}

            	}

            TPtr formatString = tempTitle->Des();

            // Now create a buffer that will contain the result. needs to be length of format string plus a few extra for the number

            HBufC* title = HBufC::NewLC(formatString.Length() + 10);

            TPtr ptr = title->Des();

            StringLoader::Format(ptr, formatString, -1, usageCount);

            // Set the title in the response.

            aResponse->SetTextValueL(attr, *title);    

            CleanupStack::PopAndDestroy(title);

            CleanupStack::PopAndDestroy(tempTitle);

            }

        else if (attr == KGlxMediaCollectionPluginSpecificSelectMediaPopupTitle)

            {

            HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_POPUP_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title); 

            }

        else if (attr == KGlxMediaCollectionPluginSpecificNewMediaItemTitle)

            {

            HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_ITEM_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title); 

            }

        else if (attr == KGlxMediaCollectionPluginSpecificDefaultMediaTitle)

            {

            HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_DEFAULT_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title); 

            }

        else if (attr == KMPXMediaGeneralTitle)

            {

            if( TGlxMediaId(KGlxCollectionRootId) == aMediaId )

                {

                HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_GENERAL_TITLE);

                aResponse->SetTextValueL(attr, *title);  

                CleanupStack::PopAndDestroy(title); 

                }

            else

                {

                if( aResponse->IsSupported(KGlxMediaCollectionInternalSystemItemType) )

					{

					if( TGlxMediaId(KCapturedAlbumId) == aMediaId )

						{

						HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_CAMERA_TITLE);

						aResponse->SetTextValueL(attr, *title);  

						CleanupStack::PopAndDestroy(title);						

						}

					else if (TGlxMediaId(KFavoriteAlbumId) == aMediaId  )

						{

						HBufC* title = LoadLocalizedStringLC(KResourceFile, R_ALBUM_FAVORITES_TITLE);

						aResponse->SetTextValueL(attr, *title);  

						CleanupStack::PopAndDestroy(title);						

						}

					}                                             

                 aResponse->Delete(KGlxMediaCollectionInternalSystemItemType);                    

                }

            }

        }

    }

TBool CGlxCollectionPluginAlbums::IsUpdateMessageIgnored(CMPXMessage& /*aMessage*/)

    {

    TBool ignore = EFalse;

    return ignore;

    }

TGlxFilterProperties CGlxCollectionPluginAlbums::DefaultFilter(TInt aLevel)

    {

    __ASSERT_DEBUG(( (aLevel == KGlxCollectionRootLevel) || (aLevel == KGlxCollectionAlbumLevel) 

    || (aLevel == KGlxCollectionAlbumContentsLevel) || (aLevel == KGlxCollectionAlbumContentsFSLevel)), 

    Panic(EGlxPanicInvalidPathLevel));

    TGlxFilterProperties filterProperties;

    filterProperties.iSortDirection = EGlxFilterSortDirectionAscending;

    switch(aLevel)

        {

        case KGlxCollectionRootLevel:

        case KGlxCollectionAlbumLevel: 

            {

            filterProperties.iPromoteSystemItems = ETrue;

            filterProperties.iSortOrder = EGlxFilterSortOrderAlphabetical;

            filterProperties.iItemType = EGlxFilterAlbum;

            break;

            }

        case KGlxCollectionAlbumContentsLevel:

            {

            filterProperties.iSortDirection = EGlxFilterSortDirectionDescending;

            }

        case KGlxCollectionAlbumContentsFSLevel:

            {

            filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;

            break;

            }

        }

    return filterProperties;

    }