/*

* 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:    Delete command handler

*

*/

#include "glxcommandhandlerdelete.h"

#include <AknUtils.h>

#include <bautils.h>

#include <data_caging_path_literals.hrh>

#include <glxcommandhandlers.hrh>

#include <glxuiutility.h>

#include <glxuistd.h>

#include <glxuiutilities.rsg>

#include <mglxmedialist.h>

#include <glxresourceutilities.h>                // for CGlxResourceUtilities

#include <glxscreenfurniture.h>

#include <mpxcollectionpath.h>

#include <StringLoader.h>

#include <glxicons.mbg>

#include <glxtracer.h>

#include <glxnavigationalstate.h>

#include <mpxcollectionpath.h>

#include <glxcollectionpluginimageviewer.hrh>

#include "glxcommandfactory.h"

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

// Two-phased constructor.

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

//

EXPORT_C CGlxCommandHandlerDelete* CGlxCommandHandlerDelete::NewL(

        MGlxMediaListProvider* aMediaListProvider, TBool aContainerList, TBool aHasToolbarItem)

    {

    /// @todo Minor: Rowland Cook 06/06/07 no use of glx logging

    CGlxCommandHandlerDelete* self = new (ELeave) CGlxCommandHandlerDelete(aMediaListProvider, aHasToolbarItem);

    CleanupStack::PushL( self );

    self->ConstructL(aContainerList);

    CleanupStack::Pop( self );

    return self;

    }

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

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CGlxCommandHandlerDelete::CGlxCommandHandlerDelete(MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem)

        : CGlxMpxCommandCommandHandler( aMediaListProvider, aHasToolbarItem )

    {

    // Don't do anything.

    }

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

// Symbian 2nd phase constructor can leave.

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

//

void CGlxCommandHandlerDelete::ConstructL(TBool aIsContainerList)

    {

    iIsContainerList = aIsContainerList;

    iUiUtility = CGlxUiUtility::UtilityL();

    // Load resource file

	TParse parse;

    parse.Set(KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL);

    TFileName resourceFile;

    resourceFile.Append(parse.FullName());

    CGlxResourceUtilities::GetResourceFilenameL(resourceFile);  

   	iResourceOffset = CCoeEnv::Static()->AddResourceFileL(resourceFile);

   	// Add supported command

   	TCommandInfo info( EGlxCmdDelete );

   	// Filter out static items

    info.iMinSelectionLength = 1;

    info.iDisallowSystemItems = aIsContainerList;

   	AddCommandL(info);

	}

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

// Destructor

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

//

EXPORT_C CGlxCommandHandlerDelete::~CGlxCommandHandlerDelete()

    {

    if (iResourceOffset)

        {

        CCoeEnv::Static()->DeleteResourceFile(iResourceOffset);

        }

    if(iUiUtility)

        {

        iUiUtility->Close();

        }

    }

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

// Create an add to container command

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

//

CMPXCommand* CGlxCommandHandlerDelete::CreateCommandL(TInt /*aCommandId*/, 

        MGlxMediaList& aMediaList, TBool& /*aConsume*/) const

    {

    CMPXCollectionPath* path = aMediaList.PathLC( NGlxListDefs::EPathFocusOrSelection );

    CMPXCommand* command = TGlxCommandFactory::DeleteCommandLC(*path);

    CleanupStack::Pop(command);

    CleanupStack::PopAndDestroy(path);

    return command;

    } 

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

// Return default progress string

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

//	

HBufC* CGlxCommandHandlerDelete::ProgressTextL(TInt /*aCommandId*/) const

    {

    return StringLoader::LoadL(R_QTN_FLDR_DELETING_WAIT_NOTE);

    }

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

// Return confirmation string

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

//	

HBufC* CGlxCommandHandlerDelete::ConfirmationTextL(TInt /*aCommandId*/, 

        TBool aMultiSelection) const

    {

    // Return appropriate confirmation note

    HBufC* text = NULL;

    if (aMultiSelection)    

        {

        if (iIsContainerList) 

            {

            // Delete multiple containers string

            text = StringLoader::LoadL(R_GLX_CONFIRMATION_DELETE_CONTAINER_MULTIPLE);

            }

        else 

            {

            // Delete multiple items string

            text = StringLoader::LoadL(R_GLX_CONFIRMATION_DELETE_MULTIPLE);

            }

        }

    else 

    	{

	    if (iIsContainerList) 

	          {

	          // Delete one container string

	          text = StringLoader::LoadL(R_GLX_CONFIRMATION_DELETE_CONTAINER_SINGLE);

	          }

	        else 

	          {

	          // Delete one item string

	          text = StringLoader::LoadL(R_GLX_CONFIRMATION_DELETE_SINGLE);

	          }

    	}

    return text; 

    }

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

// DoActivateL

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

void CGlxCommandHandlerDelete::DoActivateL(TInt /*aViewId*/)

	{

	}

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

// OfferKeyEventL

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

TKeyResponse CGlxCommandHandlerDelete::OfferKeyEventL(const TKeyEvent& aKeyEvent, 

															TEventCode aType)

	{

    TKeyResponse response = EKeyWasNotConsumed;

    // Is the key event from the Cancel (Backspace) key

	if (aKeyEvent.iCode == EKeyBackspace && aType == EEventKey)

		{

		// try to execute the delete command

		if(ExecuteL( EGlxCmdDelete ))

		    {

    		response = EKeyWasConsumed;

		    }

		}

	return response;	

	}

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

// PopulateToolbar

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

//

void CGlxCommandHandlerDelete::PopulateToolbarL()

	{

	TRACER( "CGlxCommandHandlerRename::PopulateToolbar" );

	iUiUtility->ScreenFurniture()->SetTooltipL( EGlxCmdDelete, CAknButton::EPositionLeft );

	}

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

// DoIsDisabled

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

//

TBool CGlxCommandHandlerDelete::DoIsDisabled(TInt aCommandId, 

        MGlxMediaList& aList) const 

        {

        TRACER( "CGlxCommandHandlerDelete::DoIsDisabled" );

        TBool fullscreenViewingMode = EFalse;

        CGlxNavigationalState* aNavigationalState = CGlxNavigationalState::InstanceL();

        CMPXCollectionPath* naviState = aNavigationalState->StateLC();

        if ( naviState->Levels() >= 1)

            {

            if (aNavigationalState->ViewingMode() == NGlxNavigationalState::EBrowse) 

                {

                // For image viewer collection, goto view mode

                if (naviState->Id() == TMPXItemId(KGlxCollectionPluginImageViewerImplementationUid))

                    {

                    //it means we are in img viewer.

                    fullscreenViewingMode = ETrue;

                    }

                else

                    {

                     //it means we are in grid view.

                    fullscreenViewingMode = EFalse;

                    }

                } 

            else 

                {

                //it means we are in Fullscreen.

                fullscreenViewingMode = ETrue;

                }                

            }

        CleanupStack::PopAndDestroy( naviState );

        aNavigationalState->Close();

        if(EGlxCmdDelete==aCommandId && (0 == aList.Count() ) && !fullscreenViewingMode)

            {   

            return ETrue;

            }

        return EFalse;

        }

//end of file