/*

* 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:    Send commmand handler

*

*/

//  CLASS HEADER

#include "glxcommandhandlersend.h"

//  EXTERNAL INCLUDES

#include <utf.h>							// for CnvUtfConverter

#include <sendui.h>							// for CSendui

#include <sendnorm.rsg>						// for CSendui resources

#include <SendUiConsts.h>					// for CSendui plugin type constants

#include <CMessageData.h>					// for CMessageData

#include <coemain.h>						// for CCoeEnv

#include <StringLoader.h>					// for CStringLoader

#include <bautils.h>						// for BaflUtils

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

//  INTERNAL INCLUDES

#include <glxcommandhandlers.hrh>			// for EGlxCmdUpload

#include <mglxmedialistprovider.h>

#include <mglxmedialist.h>

#include <glxscreenfurniture.h>             // for ScreenFurniture toolbar

#include <glxuistd.h>						// for KGlxUiUtilitiesResource

#include <glxuiutility.h>					// for HuiUtility

#include <glxlog.h>							// for debug logging

#include <glxattributecontext.h>			// for CGlxDefaultAttributeContext

#include <glxattributeretriever.h>			// for GlxAttributeRetriever

#include <glxuiutilities.rsg>				// for R_GLX_TOOLTIP_SEND

#include <glxfetchcontextremover.h>         // for TGlxFetchContextRemover 

#include <glxresourceutilities.h>           // for CGlxResourceUtilities

#include <glxicons.mbg>

#include <glximageviewermanager.h>          // for CGlxImageViewerManager

// LOCAL FUNCTIONS AND CONSTANTS

namespace

	{

	const TInt KSendMsgBodySz = 0;

	const TInt KSendMsgOverallSz = 1024; // KMaxStringLength from SendUi.h

	// defined locally in the original code... @todo find a definition

	const TUid KSendAsPostcardUID = { 0x101FF961 };	

	}

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

// Two-phased constructor.

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

EXPORT_C CGlxCommandHandlerSend* CGlxCommandHandlerSend::NewL(

		MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem,

		const TDesC& aFileName)

	{

	GLX_FUNC("CGlxCommandHandlerSend::NewL");

	CGlxCommandHandlerSend* self = new (ELeave) CGlxCommandHandlerSend(

			aMediaListProvider, aHasToolbarItem);

	CleanupStack::PushL(self);

	self->ConstructL(aFileName);

	CleanupStack::Pop(self);

	return self;

	}

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

// C++ default constructor 

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

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

					   :CGlxMediaListCommandHandler(aMediaListProvider, aHasToolbarItem)

	{

	// nothing to do

	}			

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

// Symbian 2nd phase constructor can leave.

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

void CGlxCommandHandlerSend::ConstructL(const TDesC& aFileName)

	{

	GLX_FUNC("CGlxCommandHandlerSend::ConstructL");

	iUiUtility = CGlxUiUtility::UtilityL();

	iSendUi = CSendUi::NewL();

	LoadRscFileL(aFileName);

	// add the Send command

	TCommandInfo info(EGlxCmdSend);

	info.iMinSelectionLength = 1;

	info.iMaxSelectionLength = KMaxTInt;

	AddCommandL(info);

	}	

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

// Destructor

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

EXPORT_C CGlxCommandHandlerSend::~CGlxCommandHandlerSend()

	{

	GLX_FUNC("CGlxCommandHandlerSend::~CGlxCommandHandlerSend");

	if (iResourceOffset)

        {

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

        }

	if (iUiUtility)

        {

        iUiUtility->Close();

        }

    delete iSendUi;    

	}

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

// ExecuteL

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

TBool CGlxCommandHandlerSend::DoExecuteL(TInt aCommandId, 

													MGlxMediaList& /*aList*/)

	{

    GLX_FUNC("CGlxCommandHandlerSend::DoExecuteL");

    if (aCommandId == EGlxCmdSend)

        {

        SendSelectedItemsL();

        return ETrue;

        }

    return EFalse;

	}

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

// DoActivateL

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

void CGlxCommandHandlerSend::DoActivateL(TInt aViewId)

	{

    GLX_FUNC("CGlxCommandHandlerSend::DoActivateL");

    iViewId = aViewId;

	MGlxMediaList& mediaList = MediaList();

	// need to check the category attribute for image or video

    iAttributeContext = CGlxDefaultAttributeContext::NewL();

    iAttributeContext->AddAttributeL(TMPXAttribute(KMPXMediaGeneralCategory));

    iAttributeContext->AddAttributeL(TMPXAttribute(KMPXMediaGeneralUri));

    mediaList.AddContextL( iAttributeContext, KGlxFetchContextPriorityLow );

    mediaList.AddMediaListObserverL(this);

	}

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

// Deactivate

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

void CGlxCommandHandlerSend::Deactivate()

    {

    GLX_FUNC("CGlxCommandHandlerSend::Deactivate");

    if (iAttributeContext)

        {

        MediaList().RemoveContext(iAttributeContext);

        delete iAttributeContext;

        iAttributeContext = NULL;

        }

    MediaList().RemoveMediaListObserver(this);    

    }	

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

// OfferKeyEventL

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

TKeyResponse CGlxCommandHandlerSend::OfferKeyEventL(const TKeyEvent& aKeyEvent, 

															TEventCode aType)

	{

    // Handle the send key

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

		{

		SendSelectedItemsL();

		return EKeyWasConsumed;

		}

	return EKeyWasNotConsumed;		

	}

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

// HandleFocusChangedL

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

void CGlxCommandHandlerSend::HandleFocusChangedL(

                    NGlxListDefs::TFocusChangeType /*aType*/, 

					TInt aNewIndex, TInt /*aOldIndex*/, MGlxMediaList* aList)

	{

	GLX_FUNC("CGlxCommandHandlerSend::HandleFocusChangedL");

	if ( aList && aNewIndex >= 0 )

		{

		const CGlxMedia* media = aList->Item(aNewIndex).Properties();  

		}	

	}

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

// SelectedFilesLC

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

CMessageData* CGlxCommandHandlerSend::SelectedFilesLC()

	{

	GLX_FUNC("CGlxCommandHandlerSend::SelectedFilesLC");

	// get the focused item from the media list

	MGlxMediaList& mediaList = MediaList();

	CMessageData* messageData = CMessageData::NewLC();    

	// retrieve the file name and path

	CGlxDefaultAttributeContext* attributeContext = 

										CGlxDefaultAttributeContext::NewL();

    CleanupStack::PushL( attributeContext );

    attributeContext->AddAttributeL( TMPXAttribute( 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 );

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

            mediaList, ETrue));

	// context off the list

    CleanupStack::PopAndDestroy( &contextRemover );														

	// if there are multiple media items, filter the postcard plugin

	iFilterOutPlugin = (mediaList.SelectionCount() > 1);

	// extract the filename from selected items in the media list and add it 

	// to the messageData to be returned

    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 ) && 

                    IsValidTypeL( *media ) )

                {

                CGlxImageViewerManager* viewerInst =

                        CGlxImageViewerManager::InstanceL();

                if ( viewerInst && viewerInst->IsPrivate() )

                    {

                    messageData->AppendAttachmentHandleL( 

                            viewerInst->ImageFileHandle() );

                    }

                else

                    {

                    messageData->AppendAttachmentL( 

                            media->ValueText( KMPXMediaGeneralUri ) );

                    }

                viewerInst->DeleteInstance();

                }

            }

        else

            {

            User::Leave( KErrNotReady );

            }

        }

	CleanupStack::PopAndDestroy( attributeContext );

	return messageData;

	}

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

// IsValidTypeL

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

TBool CGlxCommandHandlerSend::IsValidTypeL(const CGlxMedia& aMedia) 

	{

	GLX_FUNC("CGlxCommandHandlerSend::IsValidTypeL");

	// ensure the category attribute is supported by the current media item

    if (aMedia.IsSupported(KMPXMediaGeneralCategory))

        {

        switch(aMedia.ValueTObject<TInt>(KMPXMediaGeneralCategory))

        	{

    		case EMPXVideo:

    			{

    			// don't use the postcard plugin to send video

    			iFilterOutPlugin = ETrue;

    			return ETrue;

    			}

    		case EMPXImage:

    			{

	            return ETrue;

    	        }

    	    default:    

    	    	{

            	return EFalse;

            	}

        	}

        }

	return EFalse;

	}

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

// SendSelectedItemsL

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

void CGlxCommandHandlerSend::SendSelectedItemsL()

	{

	GLX_FUNC("CGlxCommandHandlerSend::SendSelectedItemsL");

    // retrieve the current files name and location

    CMessageData* msgData = SelectedFilesLC();

    HBufC* title = StringLoader::LoadLC(R_QTN_LGAL_POPUP_SEND);

	// filterOutPlugins is a list of component uids that should NOT be used to 

	// send the media file. if a video file was selected or multiple files 

	// were selected, filter out the option to send as a postcard

    CArrayFix<TUid>* filterOutPlugins =new (ELeave) CArrayFixFlat<TUid>(1);

    CleanupStack::PushL(filterOutPlugins);

	if(iFilterOutPlugin)

		{

		filterOutPlugins->AppendL(KSendAsPostcardUID);

		}

	// If Device supports text-entry mode only in portrait,

	// then the orientation has to be forced to EGlxOrientationTextEntry 

	// before launching the Send pop-up.   

 	if(iUiUtility->IsPenSupported())

		{

		iUiUtility->SetAppOrientationL( EGlxOrientationDefault );

		}

	// Trap the send call to ensure the orientation is reverted

	CleanupStack::PopAndDestroy(filterOutPlugins);

	CleanupStack::PopAndDestroy(title);

	CleanupStack::PopAndDestroy(msgData);

	}

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

// LoadRscFileL

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

void CGlxCommandHandlerSend::LoadRscFileL(const TDesC& aFileName)

	{

	GLX_FUNC("CGlxCommandHandlerSend::LoadRscFileL");

	CCoeEnv* env = CCoeEnv::Static();

	iResourceOffset = env->AddResourceFileL(aFileName);

	}

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

// Capabilities

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

TSendingCapabilities CGlxCommandHandlerSend::Capabilities()

	{

	GLX_FUNC("CGlxCommandHandlerSend::Capabilities");

	return TSendingCapabilities (KSendMsgBodySz, KSendMsgOverallSz,

        						TSendingCapabilities::ESupportsAttachments);

	}

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

// PopulateToolbar

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

//

void CGlxCommandHandlerSend::PopulateToolbarL()

	{

	GLX_FUNC("CGlxCommandHandlerSend::PopulateToolbar");

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

	}

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

// DoIsDisabled

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

//	

TBool CGlxCommandHandlerSend::DoIsDisabled(TInt aCommandId, 

                                           MGlxMediaList& aList) const

    {

    GLX_FUNC("CGlxCommandHandlerSend::DoIsDisabled");

    if (EGlxCmdSend == aCommandId && aList.Count())

        {

        return EFalse;

        } 

    return ETrue;

    }

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

// HandleItemSelectedL

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

//

void CGlxCommandHandlerSend::HandleItemSelectedL(TInt /*aIndex*/,

        TBool /*aSelected*/, MGlxMediaList* aList)

    {

    GLX_FUNC("CGlxCommandHandlerSend::HandleItemSelectedL");

    // Check if toolbar is available.

    CAknToolbar* toolbar = iUiUtility->GetGridToolBar();

    if (toolbar)

        {

        TBool dimmed = ETrue;

        if (aList->SelectionCount() > 0)

            {

            dimmed = EFalse;

            }

        toolbar->SetItemDimmed(EGlxCmdSend, dimmed, ETrue);

        }

    }

// End of file