/*

* 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:    Upload commmand handler

*

*/

//  CLASS HEADER

#include "glxcommandhandlerupload.h"

//  EXTERNAL INCLUDES

#include <AiwGenericParam.h>                // for passing data between applications

#include <aknbutton.h>                      // for getting the button state

#include <akntoolbar.h>                     // for accessing currently active toolbar

#include <data_caging_path_literals.hrh> 	// for directory and file names

#include <utf.h>							// for CnvUtfConverter

//  INTERNAL INCLUDES

#include <glxattributecontext.h>			// for  creating medialist context

#include <glxattributeretriever.h>			// for retrieving the attributes

#include <glxcommandhandlers.hrh>			// for EGlxCmdUpload

#include <glxfetchcontextremover.h>         // for TGlxFetchContextRemover

#include <glxtracer.h>                      // for TRACER logs

#include <glxuiutilities.rsg>               // for Share AIW interest resource

#include <mglxmedialist.h>                  // for accessing the media items

// CONSTANTS AND DEFINITIONS

namespace

    {

    // Shareonline Application version

    // Buffer to maintain the ShareOnline version number in use

    const TInt KPhotosShareOnlineVersionBufLen = 12;

    // Minimum version required for OneClickUpload to work

    // OneClickUpload command

    const TUid KOpenModeOneClick = { 2 };

    // Command to request for the tooltip

    const TUid KCmdGetOneClickToolTip = { 15 };    

    }

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

// Two-phased constructor.

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

EXPORT_C CGlxCommandHandlerUpload* CGlxCommandHandlerUpload::NewL(

									MGlxMediaListProvider* aMediaListProvider, 

									TBool aHasToolbarItem)

	{

	TRACER("CGlxCommandHandlerUpload::NewL");

	CGlxCommandHandlerUpload* self = 

						new (ELeave) CGlxCommandHandlerUpload(aMediaListProvider,aHasToolbarItem);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

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

// C++ default constructor 

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

CGlxCommandHandlerUpload::CGlxCommandHandlerUpload(MGlxMediaListProvider* 

													aMediaListProvider,

													TBool aHasToolbarItem)

			 :CGlxMediaListCommandHandler(aMediaListProvider,aHasToolbarItem)

	{

	TRACER("CGlxCommandHandlerUpload::CGlxCommandHandlerUpload");

	// nothing to do

	}			

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

// Symbian 2nd phase constructor can leave.

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

void CGlxCommandHandlerUpload::ConstructL()

	{

	TRACER("CGlxCommandHandlerUpload::ConstructL");

	iUiUtility = CGlxUiUtility::UtilityL();

	// iUploadSupported is zeroed by CBase constructor.

	// If a leave occurs here, it is left as EFalse.

	// If InitializeOneClickUploadL() succeeds, it is set to ETrue.

	TRAP_IGNORE(

	        {

	        CheckVersionL();

	        InitializeOneClickUploadL();

	        iUploadSupported = ETrue;

	        } );

	// Add the upload command

   	TCommandInfo info(EGlxCmdUpload);

   	AddCommandL(info);	

	}	

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

// Destructor

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

EXPORT_C CGlxCommandHandlerUpload::~CGlxCommandHandlerUpload()

	{

	TRACER("CGlxCommandHandlerUpload::~CGlxCommandHandlerUpload");

	if (iUiUtility)

        {

        iUiUtility->Close();

        }

	delete iServiceHandler;

	}

// InitializeAIWForShareOnlineL

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

//

void CGlxCommandHandlerUpload::InitializeOneClickUploadL()

    {

    TRACER("CGlxCommandHandlerUpload::InitializeOneClickUploadL");

    iServiceHandler = CAiwServiceHandler::NewL();

    // Attach the AIW Resource defined in uiutilities.rss

    }

// Check Share Online version

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

//

void CGlxCommandHandlerUpload::CheckVersionL()

    {    

    TRACER("CGlxCommandHandlerUpload::CheckVersionL");

    CRepository* rep = CRepository::NewLC( KShareOnlineUid );

    //

    TBuf<KPhotosShareOnlineVersionBufLen> versionBuf;

    // Query the ShareOnline version in the build

    User::LeaveIfError( rep->Get( KShareApplicationVersion, versionBuf ) );

    // Initialize version to zero

    TVersion version( 0, 0, 0 );

    TLex lex( versionBuf );

    User::LeaveIfError( lex.Val( version.iMajor ) );

    if ( lex.Get() != TChar('.') )

        {

        User::Leave( KErrCorrupt );

        }

    User::LeaveIfError( lex.Val( version.iMinor ) );

    if ( lex.Get() != TChar('.') )

        {

        User::Leave( KErrCorrupt );

        }

    User::LeaveIfError( lex.Val( version.iBuild ) ); 

    // Compare version number and leave if the detected

    // version is less than KShareOnlineMinimumVersion.

    if ( version.iMajor < KShareOnlineMinimumVersion.iMajor )

        {

        User::LeaveIfError( KErrNotSupported );

        }

    else if ( version.iMajor == KShareOnlineMinimumVersion.iMajor )

        {

        if ( version.iMinor < KShareOnlineMinimumVersion.iMinor )

            {

            User::LeaveIfError( KErrNotSupported );

            }

        else if ( version.iMinor == KShareOnlineMinimumVersion.iMinor )

            {

            if ( version.iBuild < KShareOnlineMinimumVersion.iBuild )

                {

                User::LeaveIfError( KErrNotSupported );

                }

            else

                {

                // Version is supported, fall through

                }

            }

        else

            {

            // Version is supported, fall through

            }

        }

    else

        {

        // Version is supported, fall through

        } 

    CleanupStack::PopAndDestroy( rep ); 

    }

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

// DoExecuteL

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

TBool CGlxCommandHandlerUpload::DoExecuteL(TInt aCommandId, 

													MGlxMediaList& /*aList*/)

	{

	TRACER("CGlxCommandHandlerUpload::DoExecuteL");

	TBool handled = EFalse;

	// handle the upload command

	if (iUploadSupported && ( EGlxCmdUpload == aCommandId ))

	    { 

	    CAiwGenericParamList& inputParams = iServiceHandler->InParamListL();

	    TAiwVariant variant( KOpenModeOneClick ); //For one click photo upload

	    TAiwGenericParam param( EGenericParamModeActivation, variant );

	    inputParams.AppendL( param );

	    // Append all the files that are selected to iServiceHandler->InParamListL()

	    AppendSelectedFilesL(inputParams);

	    // Execute the KAiwCmdUpload command  

	    iServiceHandler->ExecuteServiceCmdL( KAiwCmdUpload, 

	            inputParams, iServiceHandler->OutParamListL() );       

	    handled = ETrue;

	    }	

	return handled;

	}

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

// DoActivateL

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

void CGlxCommandHandlerUpload::DoActivateL(TInt aViewId)

	{

	TRACER("CGlxCommandHandlerUpload::DoActivateL");

	}

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

// Deactivate

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

void CGlxCommandHandlerUpload::Deactivate()

    {

    TRACER("CGlxCommandHandlerUpload::Deactivate");

    }	

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

// AppendSelectedFilesL()

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

//

void CGlxCommandHandlerUpload::AppendSelectedFilesL(CAiwGenericParamList& aInputParams)

    {    

    TRACER("CGlxCommandHandlerUpload::AppendSelectedFilesL");

    HBufC* fileName = HBufC::NewLC(KMaxFileName);

    // get the media list reference

    MGlxMediaList& mediaList = MediaList();

    //retrieve the file name and path using selection-based fetch contexts

    CGlxDefaultAttributeContext* attributeContext = 

    									CGlxDefaultAttributeContext::NewL();

    CleanupStack::PushL(attributeContext);

    attributeContext->AddAttributeL(KMPXMediaGeneralUri);

    mediaList.AddContextL(attributeContext, KGlxFetchContextPriorityBlocking);

    // TGlxContextRemover will remove the context when it goes out of scope

    // Used here to avoid a trap and still have safe cleanup    

    TGlxFetchContextRemover contextRemover (attributeContext, mediaList);    

    CleanupClosePushL( contextRemover );

    // Leaving method returns an err code

    User::LeaveIfError(GlxAttributeRetriever::RetrieveL(*attributeContext, 

            mediaList, ETrue));

    // context off the list

    CleanupStack::PopAndDestroy( &contextRemover ); 

    // Extract the filename/s from selected item/s in the media list and append

    // it to AIW InParamList

    TGlxSelectionIterator iterator;

    iterator.SetToFirst(&mediaList);

    TInt index = KErrNotFound;

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

        {

        // does not return ownership.

        const CGlxMedia* media = mediaList.Item(index).Properties();

        if(media)

            {

            if(media->IsSupported(KMPXMediaGeneralUri))

                {

                // Retrieve the file URI

                fileName->Des() = media->ValueText(KMPXMediaGeneralUri);

                __ASSERT_DEBUG(fileName->Length() <= KMaxFileName, 

                        Panic(EGlxPanicRequiredItemNotFound));

                TAiwVariant fileVariant( fileName );

                TAiwGenericParam fileParam( EGenericParamFile, fileVariant );

                aInputParams.AppendL( fileParam );             

   			}

   		}

        else

            {

            User::Leave(KErrNotReady);

            }   

        }

    CleanupStack::PopAndDestroy(attributeContext);

    CleanupStack::PopAndDestroy(fileName);

    }// contextRemover goes out of scope and removes the context from media list

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

// PopulateToolbar

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

//

void CGlxCommandHandlerUpload::PopulateToolbarL()

	{

	TRACER( "CGlxCommandHandlerUpload::PopulateToolbarL" );

	if( iUploadSupported )

	    {

	    SetToolTipL();

	    } 

	}

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

// GetToolTipL

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

//

void CGlxCommandHandlerUpload::GetToolTipL( HBufC*& aToolTipText )

    {

    TRACER("CGlxCommandHandlerUpload::GetToolTipL");

    CAiwGenericParamList& inputParams = iServiceHandler->InParamListL();

    // Insert Command parameter that tells provider that tooltip is required        

    TAiwVariant variant(KCmdGetOneClickToolTip);

    TAiwGenericParam param(EGenericParamModeActivation, variant);

    inputParams.AppendL(param);

    //Get a reference to output parameter list

    CAiwGenericParamList& outputParams = iServiceHandler->OutParamListL();

    iServiceHandler->ExecuteServiceCmdL(KAiwCmdUpload, inputParams, outputParams);

    //Tooltip is returned as a parameter in output list

    for( TInt i = 0 ; i < outputParams.Count(); i++ )

        {

        const TAiwGenericParam& param = outputParams[i];        

        if(EGenericParamNoteItem == param.SemanticId())

            {            

            TAiwVariant value = param.Value();

            TPtrC toolTipToBeReturned = value.AsDes();

            aToolTipText = toolTipToBeReturned.AllocLC();           

            }        

        }   

    }

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

// SetToolTipL

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

//

void CGlxCommandHandlerUpload::SetToolTipL()

    {

    TRACER("CGlxCommandHandlerUpload::SetToolTipL");

        {

        return;

        }

    CAknButton* uploadButton =

    if (uploadButton && iUploadSupported)

        {

        // Get the tooltip text from AIW ShareOnline application

        HBufC* toolTipText = NULL;

        // GetToolTipL might allocate memory. Hence toolTipText should 

        // be popped and destroyed if present.

        GetToolTipL(toolTipText);

        if (toolTipText)

            {

            // Get current button state and set the help text(tool tip)             

            CAknButtonState* currentState = uploadButton->State();

            TBool dimmed = uploadButton->IsDimmed();

            if (dimmed)

                {

                uploadButton->SetDimmed(EFalse);

                currentState->SetHelpTextL(toolTipText->Des());

                uploadButton->SetDimmed(ETrue);

                }

            else

                {

                currentState->SetHelpTextL(toolTipText->Des());

                }

            CleanupStack::PopAndDestroy(toolTipText);

            }

        else

            {

            User::Leave(KErrArgument);

            }

        } // if(uploadButton && iUploadSupported)

    }