/*

* 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:    Details commmand handler

*

*/

#include "glxcommandhandlerdetails.h"

#include <AknUtils.h>

#include <bautils.h>

#include <mpxviewutility.h>

#include <data_caging_path_literals.hrh> 	//for gallery related constatns

#include <glxcommandhandlers.hrh> 			//for command id

#include <glxuiutility.h>

#include <glxuistd.h>

#include <glxuiutility.h>

#include <glxuiutilities.rsg>

#include <glxpanic.h>

#include <StringLoader.h>

#include <glxtracer.h>

#include <glxlog.h>

#include <glxicons.mbg>

#include <glxmedia.h> 

#include <glxmedialist.h> 

#include <mpxmediageneraldefs.h>            // for TMPXAttribute

#include <glxattributeretriever.h>          // for CGlxAttributeRetriever 

#include <glxattributecontext.h>            // for CGlxDefaultAttributeContext

#include <glxresourceutilities.h>           // for CGlxResourceUtilities

#include <glxfetchcontextremover.h>         // for TGlxFetchContextRemover

#include <glxviewpluginuids.hrh> //for view plugin implmentation id

#include <glxcollectionpluginimageviewer.hrh>

#include <mpxcollectionutility.h>

#include <glxmetadatadialog.h>              //for metadata dialog

#include <glximgvwrmetadatadialog.h>

#include <glxnavigationalstate.h>

#include <mpxcollectionpath.h>

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

// Two-phased constructor.

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

//

	{

	CleanupStack::PushL(self);

	CleanupStack::Pop(self);

	return self;

	}

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

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

// might leave.

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

//	

CGlxCommandHandlerDetails::CGlxCommandHandlerDetails(MGlxMediaListProvider* aMediaListProvider )

														:CGlxMediaListCommandHandler(aMediaListProvider)

	{

	//Do nothing

	}			

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

// Symbian 2nd phase constructor can leave.

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

//	

	{

	// register property command in command handler

	}	

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

// Destructor

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

//

EXPORT_C CGlxCommandHandlerDetails::~CGlxCommandHandlerDetails()

	{

	TRACER("GLX_Property::~CGlxCommandHandlerDetails");

	if ( iResourceOffset )

        {

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

        }

    if ( iUiUtility )

        {

        iUiUtility->Close();

        }

	}

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

// DoExecuteL

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

//	

TBool CGlxCommandHandlerDetails::DoExecuteL( TInt aCommandId, MGlxMediaList& aList )

	{

	TBool consume(EFalse);

	TRACER("GLX_Property::DoExecuteL");

	GLX_LOG_INFO1("GLX_Property::DoExecuteL::DoExecuteL %d",aCommandId);

	switch(aCommandId)

		{

		case EGlxCmdDetails:

			{

			GLX_LOG_INFO("GLX_Property::DoExecuteL::Launch UMP");

			CGlxDefaultAttributeContext* attrContext = CGlxDefaultAttributeContext::NewL();

			CleanupStack::PushL(attrContext);

			attrContext->AddAttributeL(KMPXMediaGeneralUri);

			aList.AddContextL(attrContext, 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 (attrContext, aList);

			CleanupClosePushL( contextRemover);

			TInt err = GlxAttributeRetriever::RetrieveL(*attrContext,aList,ETrue);

			// context off the list

			CleanupStack::PopAndDestroy( &contextRemover );

			if ( err == KErrNone )

				{

				TInt focusIndex = aList.FocusIndex();

				TGlxMedia item = aList.Item(focusIndex);

				const CGlxMedia* media = item.Properties();

				TBool isDrm = aList.Item(focusIndex).IsDrmProtected();

				TBool isVideo = EFalse;

				TMPXGeneralCategory type = MediaList().Item( focusIndex ).Category();

				if(type == EMPXVideo)   

					{

					isVideo = ETrue;

					}

				//check media support uri attribute

				if(media && media->IsSupported(KMPXMediaGeneralUri))

					{

					const TDesC& uri = media->ValueText(KMPXMediaGeneralUri);

					HBufC* uriBuf = HBufC::NewLC(uri.Length()+2);

					TPtr uriPtr (uriBuf->Des());

					uriPtr = uri;

					uriPtr.Append( isDrm );

					uriPtr.Append( isVideo );

					GLX_DEBUG2("GLX_Property::DoExecuteL::URI:%S:",&uri);

                    iUiUtility->SetViewNavigationDirection(EGlxNavigationForwards); 

                    if (aList.Collection().UidL().iUid == 

                            KGlxCollectionPluginImageViewerImplementationUid)

                        {

                        CGlxImgVwrMetadataDialog* dialog  = CGlxImgVwrMetadataDialog::NewL( uri);

                        dialog->ExecuteLD();

                        }

                    else

                        {

                        CGlxMetadataDialog* dialog  = CGlxMetadataDialog::NewL( uri );    

                        dialog->ExecuteLD();

                        }

                    CleanupStack::PopAndDestroy(uriBuf);

                    }

                }

            CleanupStack::PopAndDestroy( attrContext );

            consume = ETrue;

            break;

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

        default:

            {

            break;		

            }

        }

	return consume;

	}

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

// LaunchViewL

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

//		

void CGlxCommandHandlerDetails::LaunchViewL(TUid aViewPluginId,const TDesC& aURI)

	{

	TRACER("GLX_UMP::CGlxCommandHandlerDetails:LaunchViewL");

	MMPXViewUtility* viewUtility = MMPXViewUtility::UtilityL();

	CleanupClosePushL(*viewUtility);

	if( aURI.Length() > 0 )

		{

		//following is to preserve unicode format of filename

		//Convert aURI 16 bit descriptor to 8 bit descriptor

		TPtrC8 ptr8((TUint8*)aURI.Ptr(),aURI.Length());

		GLX_LOG_INFO1("GLX_UMP::CGlxCommandHandlerDetails:ActivateViewL::ptr8:%S:",&ptr8);

		//convert back to 16 bit descriptor

		TPtrC16 ptr16((TUint16*)ptr8.Ptr(),ptr8.Length());

		GLX_LOG_INFO1("GLX_UMP::CGlxCommandHandlerDetails:ActivateViewL::ptr16:%S:",&ptr16);	

		viewUtility->ActivateViewL(aViewPluginId,&ptr16);

		}

	else

		{

		viewUtility->ActivateViewL(aViewPluginId,&KNullDesC);

		}

	CleanupStack::PopAndDestroy(viewUtility); 

	}

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

// DoActivateL

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

//		

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

	{

	}

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

// DoIsDisabled

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

//

TBool CGlxCommandHandlerDetails::DoIsDisabled(TInt aCommandId, 

                                        MGlxMediaList& aList) const 

    {

    TRACER("CGlxCommandHandlerDetails: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.so details will be available

                fullscreenViewingMode = ETrue;

                }

            else

                {

                //it means we are in grid view.so details will be not beavailable

                fullscreenViewingMode = EFalse;

                }

            } 

        else 

            {

            //it means we are in Fullscreen.so details will be available

            fullscreenViewingMode = ETrue;

            }                

        }

    CleanupStack::PopAndDestroy( naviState );

    aNavigationalState->Close();

	// If fullscreen view is there but media item dont have yet

	// data to be shown in detail than hide detail option

    if(fullscreenViewingMode && !IsThumbnailAvailable(aList))

       {

       return ETrue;

       }	   

    if(EGlxCmdDetails==aCommandId && (0 == aList.Count() || 1 != aList.SelectionCount())

            && !fullscreenViewingMode )

        {   

        return ETrue;

        }

    return EFalse;

    }

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

// IsThumbnailAvailable

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

//

TBool CGlxCommandHandlerDetails::IsThumbnailAvailable(MGlxMediaList& aList) const 

    {

    TRACER("CGlxCommandHandlerDetails::IsThumbnailAvailable");

    if (0 == aList.Count())

        {

        return EFalse;

        }

    TMPXAttribute attr;

    TSize size = iUiUtility->DisplaySize();

    GLX_LOG_INFO2(

            "CGlxCommandHandlerDetails::IsThumbnailAvailable() w(%d) h(%d)",

            size.iWidth, size.iHeight);

    return aList.Item(aList.FocusIndex()).GetClosestThumbnail(attr, size,

            EFalse);

    }

//End of file