/*

* 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 "glxcommandhandleraiwedit.h"

#include <glxattributecontext.h>

#include <glxcommandhandlers.hrh>

#include <glxmedia.h>

#include <glxuiutilities.rsg>

#include <glximageviewermanager.h>

#include <glxnavigationalstate.h>

#include <mpxcollectionpath.h>

#include <glxcollectionpluginimageviewer.hrh>

#include "glxaiwservicehandler.h"

#include <StringLoader.h>

#include <glxmedialist.h> 

#include <glxtracer.h>

#include <glxlog.h>

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

#include "AiwServiceHandler.h"                  // AIW service handler

#include "glxmedia.h"

#include <featdiscovery.h>

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

// NewL

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

//	

EXPORT_C CGlxCommandHandlerAiwEdit* CGlxCommandHandlerAiwEdit::NewL(

        MGlxMediaListProvider* aMediaListProvider)

    {

    CGlxCommandHandlerAiwEdit* self = new (ELeave) CGlxCommandHandlerAiwEdit(

            aMediaListProvider);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// ~CGlxCommandHandlerAiwEdit

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

//

EXPORT_C CGlxCommandHandlerAiwEdit::~CGlxCommandHandlerAiwEdit()

    {

    delete iServiceHandler;

    if (NULL != iImageViewerInstance)

        {

        iImageViewerInstance->DeleteInstance();

        }

    }

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

// ConstructL

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

//

void CGlxCommandHandlerAiwEdit::ConstructL()

    {

    CFeatureDiscovery* featManager = CFeatureDiscovery::NewL();

    CleanupStack::PushL(featManager);

    if(featManager->IsFeatureSupportedL(KFeatureIdFfImageEditor))

        {

        iIsImageEditSupported = ETrue;

        }

    if(featManager->IsFeatureSupportedL(KFeatureIdFfVideoEditor))

        {

        iIsVideoEditSupported = ETrue;

        }

    if(iIsVideoEditSupported || iIsImageEditSupported)

        {

        TRAP_IGNORE(

                    {

                    iServiceHandler = CAiwServiceHandler::NewL();

                    iServiceHandler->AttachL( R_GLX_AIW_EDIT_INTEREST );

                    });

        }

    CleanupStack::PopAndDestroy(featManager);

    TCommandInfo info(EGlxCmdAiwEdit);

    AddCommandL(info);

    iImageViewerInstance = CGlxImageViewerManager::InstanceL();   

    iIsFullScreenMode = IsInFullScreenViewingModeL();

    }

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

// CGlxCommandHandlerAiwEdit

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

//

CGlxCommandHandlerAiwEdit::CGlxCommandHandlerAiwEdit(

        MGlxMediaListProvider* aMediaListProvider) :

    CGlxMediaListCommandHandler(aMediaListProvider)

    {

    // Do Nothing

    }

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

// DoActivateL

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

//

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

    {

    // DO Nothing

    }

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

// DynInitMenuPaneL

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

//

void CGlxCommandHandlerAiwEdit::DynInitMenuPaneL(TInt /*aResourceId*/,

        CEikMenuPane* aMenuPane, TBool /*aIsBrowseMode*/)

    {

    if (aMenuPane)

        {

        MGlxMediaList& mediaList = MediaList();

        TInt pos = 0;

        TBool editSupported = EFalse;

        TGlxSelectionIterator iterator;

        iterator.SetToFirst(&mediaList);

        TInt index = iterator++;

        if ( index != KErrNotFound )

            {

            TMPXGeneralCategory cat = mediaList.Item(index).Category();

            if ( cat == EMPXImage && iIsImageEditSupported)

                {

                editSupported = ETrue;

                }

            else if ( cat == EMPXVideo && iIsVideoEditSupported)

                {

                editSupported = ETrue;

                }

            }

        if (aMenuPane->MenuItemExists(EGlxCmdAiwEdit, pos))

            {

            // If the image path is private or view is in grid & 

            // selection is greater than 1, we should hide Edit menu item 

            if (iImageViewerInstance->IsPrivate()

                    || ((!mediaList.Count() || (mediaList.SelectionCount() > 1))

                    || !editSupported))

                {

                aMenuPane->SetItemDimmed(EGlxCmdAiwEdit, ETrue);

                }

            }

        }

    }

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

// DoExecuteL

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

//

TBool CGlxCommandHandlerAiwEdit::DoExecuteL(TInt aCommandId,

        MGlxMediaList& aList)

    {

    TBool handled = EFalse;

    if ((iIsImageEditSupported || iIsVideoEditSupported)

                    && (EGlxCmdAiwEdit == aCommandId))

        {

        CAiwGenericParamList& inputParams = iServiceHandler->InParamListL();

        TGlxSelectionIterator iterator;

        iterator.SetToFirst(&aList);

        TInt index = iterator++;

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

        TAiwGenericParam param(EGenericParamFile,

                TAiwVariant(mediaItem.Uri()));

        inputParams.AppendL(param);

        TAiwGenericParam param2(EGenericParamMIMEType, TAiwVariant(

                mediaItem.MimeType()));

        inputParams.AppendL(param2);

        // Execute the KAiwCmdUpload command  EGlxCmdAiwEdit

        iServiceHandler->ExecuteServiceCmdL(KAiwCmdEdit, inputParams,

                iServiceHandler->OutParamListL());

        handled = ETrue;

        }

    return handled;

    }

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

// IsInFullScreenViewingModeL

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

//

TBool CGlxCommandHandlerAiwEdit::IsInFullScreenViewingModeL()

    {

    TRACER("CGlxCommandHandlerAiwEdit::IsInFullScreenViewingModeL()");

    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 Fullscreen

            fullscreenViewingMode = ETrue;

            }

        }

    CleanupStack::PopAndDestroy(naviState);

    aNavigationalState->Close();

    return fullscreenViewingMode;

    }