/*

* 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:   Tag collection plugin implementation

*

*/

// INCLUDE FILES

#include "glxcollectionplugintags.h"

#include "glxcollectionplugintags.hrh"

#include <mpxmediageneraldefs.h>        //KMPXMediaIdGeneral

#include <mpxmediacontainerdefs.h>      //Attributes for KMPXMediaIdContainer

#include <StringLoader.h>

#include <glxplugintags.rsg>

#include <mglxdatasource.h>         //MGlxDataSource

#include <glxlog.h>                 //For Logging

#include <glxtracer.h>

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

/**

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

 */

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

// Two-Phased Constructor

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

CGlxCollectionPluginTags* CGlxCollectionPluginTags::NewL(TAny* aObs)

    {    

    TRACER("CGlxCollectionPluginTags::NewL");

    CGlxCollectionPluginTags* self = new (ELeave) CGlxCollectionPluginTags(

                                static_cast<MMPXCollectionPluginObserver*>(aObs));

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor

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

//

 CGlxCollectionPluginTags::~CGlxCollectionPluginTags()

    {

    //Do Nothing

    }

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

// Constructor

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

void CGlxCollectionPluginTags::ConstructL()

    {            

    TRACER("CGlxCollectionPluginTags::ConstructL");

    // iDataSource - @owner is CGlxCollectionPluginBase

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

    }

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

//  Constructor

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

CGlxCollectionPluginTags::CGlxCollectionPluginTags(

    MMPXCollectionPluginObserver* aObs)

    {

    iObs = aObs;

    }

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

// Add Additional attributes

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

void CGlxCollectionPluginTags::CpiAttributeAdditionalAttributes(

				const TMPXAttribute& aCpiAttribute, RArray<TMPXAttribute>& aAttributeArray)

	{

    TRACER("CGlxCollectionPluginTags::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;

	    //GLX_DEBUG1("CGlxCollectionPluginTags::CpiAttributeAdditionalAttributes-AttributesCount");  

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

	        {

	        if (aAttributeArray[index] == KMPXMediaGeneralCount)

	            {

	            found = ETrue;

	            break;

	            }

	        }

	    if (!found)

	        {

	        aAttributeArray.Append(KMPXMediaGeneralCount);

	        }

	    }

	}

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

// Modify the response

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

void CGlxCollectionPluginTags::HandleCpiAttributeResponseL(CMPXMedia* aResponse, 

				TArray<TMPXAttribute> aCpiAttributes, TArray<TGlxMediaId> aMediaIds)

	{

    TRACER("CGlxCollectionPluginTags::HandleCpiAttributeResponseL");  

    const TInt mediaIdCount = aMediaIds.Count();

    switch (mediaIdCount)

        {

    case 0:

            User::Leave(KErrNotSupported);

            break;

    case 1:

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-MediaID");  

            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]);

                }

			 /// @todo - Can we reset a value. Does it overwrite the original or does it leak? Must test

            aResponse->SetCObjectValueL(KMPXMediaArrayContents, mediaArray);        

            CleanupStack::PopAndDestroy(mediaArray);

            }

        break;

        }

	}

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

// Modify the response

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

void CGlxCollectionPluginTags::HandleCpiAttributeResponseL(CMPXMedia* aResponse,

			 TArray<TMPXAttribute> aCpiAttributes, TGlxMediaId aMediaId)

    {

    TRACER("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Enter");  

    const TInt attribCount = aCpiAttributes.Count();

    GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Attributes created");

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

	    {

	    const TMPXAttribute attr = aCpiAttributes[index];

	    if (attr == KGlxMediaCollectionPluginSpecificSubTitle)

	        {

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Subtitle");

	        if (!aResponse->IsSupported(KMPXMediaGeneralCount))

	            {

	            User::Leave(KErrNotSupported);

	            }

            else

                {

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

                HBufC* tempTitle = NULL;

                if (TGlxMediaId(KGlxCollectionRootId) == aMediaId)

                	{

                	if(0 == usageCount)

                		{

                    	tempTitle = LoadLocalizedStringLC(KResourceFile, 

                    			R_TAG_SUB_TITLE_NO_ITEMS);                    	

                    	// Set the title in the response.

                		aResponse->SetTextValueL(attr, *tempTitle);  

                		CleanupStack::PopAndDestroy(tempTitle);

                		continue;  

                		}

                	else if (1 == usageCount)

                    	{

                    	tempTitle = LoadLocalizedStringLC(KResourceFile,

                   			 R_TAG_SUB_TITLE_SINGLE);

                    	}

                    else 

                    	{

                    	tempTitle = LoadLocalizedStringLC(KResourceFile,

                   			 R_TAG_SUB_TITLE_MULTI);

                    	}

                	}

                else

                	{

                	if(0 == usageCount)

                		{

                    	tempTitle = LoadLocalizedStringLC(KResourceFile, 

                    			R_TAG_SUB_TITLE_NO_ITEMS);                    	

                    	// Set the title in the response.

                		aResponse->SetTextValueL(attr, *tempTitle);  

                		CleanupStack::PopAndDestroy(tempTitle);

                		continue;  

                		}

                	else if (1 == usageCount)

                		{

                		tempTitle = LoadLocalizedStringLC(KResourceFile,

                   			 R_TAG_ITEM_SUB_TITLE_SINGLE);

                		}

                    else

                        {

                        tempTitle = LoadLocalizedStringLC(KResourceFile,

                        			 R_TAG_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)

	        {

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Popup Title");

	        HBufC* title = LoadLocalizedStringLC(KResourceFile, R_TAG_POPUP_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title);

	        }

	    else if (attr == KGlxMediaCollectionPluginSpecificNewMediaItemTitle)

	        {

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Mediaitem");

	        HBufC* title = LoadLocalizedStringLC(KResourceFile, R_TAG_ITEM_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title);

	        }

	    else if (attr == KGlxMediaCollectionPluginSpecificDefaultMediaTitle)

	        {

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Defualt mediatitle");

	        HBufC* title = LoadLocalizedStringLC(KResourceFile, R_TAG_DEFAULT_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title);

	        }

	    else if (attr == KMPXMediaGeneralTitle)

	        {

            GLX_LOG_INFO("CGlxCollectionPluginTags::HandleCpiAttributeResponseL-Attr Title");

	        HBufC* title = LoadLocalizedStringLC(KResourceFile, R_TAG_GENERAL_TITLE);

            aResponse->SetTextValueL(attr, *title);  

            CleanupStack::PopAndDestroy(title); 

	        }

	    }

    }

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

// Ignore the Updated Message

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

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

	{

	TRACER("CGlxCollectionPluginTags::IsUpdateMessageIgnored");  

	TBool ignore = EFalse;

	return ignore;

	}

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

// Set the filter Properties

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

TGlxFilterProperties CGlxCollectionPluginTags::DefaultFilter(TInt aLevel)

    {

    TRACER("CGlxCollectionPluginTags::DefaultFilter"); 

    __ASSERT_DEBUG(( (aLevel == KGlxCollectionRootLevel) || (aLevel == KGlxCollectionTagLevel) 

                || (aLevel == KGlxCollectionTagContentsLevel) || (aLevel == KGlxCollectionTagFSContentsLevel)),

                 Panic(EGlxPanicInvalidPathLevel));

    TGlxFilterProperties filterProperties;

    filterProperties.iSortDirection = EGlxFilterSortDirectionAscending;

    switch(aLevel)

        {

        case KGlxCollectionRootLevel:

        case KGlxCollectionTagLevel: 

            {

            filterProperties.iMinCount = 1;

            filterProperties.iSortOrder = EGlxFilterSortOrderAlphabetical;

            filterProperties.iItemType = EGlxFilterTag;

            break;

            }

        case KGlxCollectionTagContentsLevel:

	        {

        	filterProperties.iSortDirection = EGlxFilterSortDirectionDescending;

	        }

        case KGlxCollectionTagFSContentsLevel:

            {

            filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;

            break;

            }

        }

    return filterProperties;

    }

//End of File