// Copyright (c) 2005-2009 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:

// Part of the MVS Application for TechView

//

#include "MVSSelectPluginsDialog.h"

#include "MVSApp.hrh"

#include <techview/eikmfne.h>

#include <coecntrl.h>

#include "MVSConstants.h"

#include <techview/eikhopbt.h>

void CMVSSelectPluginsDialog::SetupDialogLD(CDesCArrayFlat* aPluginArray,

		                     CDesCArrayFlat* aExtArray, CDesCArrayFlat* aCodecArray, 

                               CMVSAppUi* aAppUi)

	{

    CMVSSelectPluginsDialog* dialog = new (ELeave) CMVSSelectPluginsDialog(

                                                       aPluginArray, 

                                                       aExtArray, aCodecArray,

                                                       aAppUi);

    CleanupStack::PushL(dialog); 

    dialog->ConstructL(aCodecArray);

    CleanupStack::Pop(dialog);

    dialog->ExecuteLD(R_MVS_DIALOG_SELECTPLUGINS);

    }

void CMVSSelectPluginsDialog::ConstructL(CDesCArrayFlat* aCodecArray)

    {

    //Create new arrays

    iExtArray = new(ELeave) CDesCArrayFlat(8);

    iPluginArray = new(ELeave) CDesCArrayFlat(8);

	iCodecArray = new(ELeave) CDesCArrayFlat(8);

    iAppUi->GetExtensionListL(iExtArray,iMediaType);

    iAppUi->GetPluginListL(0,iExtArray,iPluginArray,iMediaType);

    for(TInt counter = 0; counter< aCodecArray->Count(); ++counter)

    	{

        iCodecArray->AppendL((*aCodecArray)[counter]);

        }

    }

void CMVSSelectPluginsDialog::PreLayoutDynInitL()

    {

    CEikChoiceList* myPluginArray = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectControllerPlugin));

    CEikChoiceList* myExt = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectFormat));

    if(iExtArray->Count()==0)

    	{

		User::InfoPrint(KNotsupported);    	

    	}

    else

    	{

    	if(myPluginArray)

			{

			myPluginArray->SetArrayL(iPluginArray);

    		myPluginArray->SetArrayExternalOwnership(ETrue);	

			myPluginArray->SetObserver(this);

			iPluginCtl =  myPluginArray; 

			}

    	if(myExt)

    		{

    		myExt->SetArrayL(iExtArray);

    		myExt->SetArrayExternalOwnership(ETrue);	

    		myExt->SetObserver(this); 

    		iExtCtl = myExt;

    		}	

    	}

    //Get a pointer to the Option Button List control

    CEikHorOptionButtonList* pRadioGroup = static_cast<CEikHorOptionButtonList*>(Control(EMVSCmdSelectMediaType));

    //set audio as the default button to be selected

    if(pRadioGroup)

    	{

    	pRadioGroup->SetButtonById(EMVSHorOptButtonAudio);

    	pRadioGroup->SetObserver(this);

    	}

    }

CMVSSelectPluginsDialog::CMVSSelectPluginsDialog(CDesCArrayFlat* aPluginArray,

		                      CDesCArrayFlat* aExtArray, CDesCArrayFlat* aCodecArray,  

                              CMVSAppUi* aAppUi)

: iPluginArray(aPluginArray), iExtArray(aExtArray), iCodecArray(aCodecArray), iAppUi(aAppUi)

    {     

    iPluginCtl = 0;

    iExtCtl = 0;

    iMediaType = 0;

    }

TBool CMVSSelectPluginsDialog::OkToExitL(TInt aButtonId)

	{

    TInt indx = 0;

    //button options are Next> and Cancel

    if(aButtonId == EMVSButtonNext)

    	{

        //Get a downcasted pointer to the controls

        CEikChoiceList* myPluginArray = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectControllerPlugin));

        CEikChoiceList* myExt = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectFormat));

		iExt.Zero(); //zero the buffer, and append the extension

        if(myPluginArray && myExt)

	        {

	        CDesCArray *pDescArr = myExt->DesCArray();

	        CDesCArray *pControllerArr = myPluginArray->DesCArray();

	        if(pDescArr->MdcaCount() > 0)

		    	{

		        indx = myExt->CurrentItem();

				iExt.Append((*iExtArray)[indx]);		  	          	

		        } 

		    indx = myPluginArray->CurrentItem();

			iAppUi->SelectedExtension(iExt);

		    iAppUi->SelectedPluginIdx(indx);

		    iAppUi->SelectedMedia(iMediaType);	

	        }

        }

    else if(aButtonId == EMVSButtonCancel)

    	{

    	//to indicate that a suitable controller has to be selected automatically

    	//by the system based on the file name entered by the user.

    	indx= KControllerNotSelected;

    	iAppUi->SelectedPluginIdx(indx);

    	}

    return ETrue; //return

    }

void CMVSSelectPluginsDialog::HandleControlEventL(CCoeControl *aControl, TCoeEvent aEventType)

	{

	CEikDialog::HandleControlEventL(aControl,aEventType);

	CEikChoiceList* myPluginArray = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectControllerPlugin));

	CEikChoiceList* myExt = static_cast<CEikChoiceList*>(Control(EMVSCmdSelectFormat));		

	if(myPluginArray && myExt)

		{

		TInt8 idx  = iExtCtl->CurrentItem();

		if(iExtCtl == aControl && aEventType == EEventStateChanged)

			{

			iPluginArray->Reset();

			TInt8 temp = iAppUi->GetPluginListL(idx,iExtArray,iPluginArray,iMediaType);

			TInt n = iPluginArray->Count();

			myPluginArray->SetArrayL(iPluginArray);

			myPluginArray->SetArrayExternalOwnership(ETrue);

			myPluginArray->SetCurrentItem(0);

			myPluginArray->DrawDeferred();

			return;

			}

		//Get a pointer to the Option Button List control

	    CEikHorOptionButtonList* pRadioGroup = 

	    	static_cast<CEikHorOptionButtonList*>(Control(EMVSCmdSelectMediaType)); 	

	    if(pRadioGroup == aControl && aEventType == EEventStateChanged)

	    	{

	     	TInt nButtonId = pRadioGroup->LabeledButtonId();

	     	if(nButtonId == EMVSHorOptButtonAudio) //if selected media - audio

	     		{

	     		iMediaType = 0;

	     		}

	     	else if(nButtonId == EMVSHorOptButtonVideo) //if selected media - video

	     		{

	     		iMediaType = 1;

	     		}

	       	iPluginArray->Reset();

	   		iExtArray->Reset();

	   		idx=0;  	

	      	iAppUi->GetExtensionListL(iExtArray,iMediaType);

	      	if(iExtArray->Count()==0)

	      		{

	      		User::InfoPrint(KNotsupported);

	      		}

	      	else

	      		{

	      		iAppUi->GetPluginListL(idx,iExtArray,iPluginArray,iMediaType);

	      		myPluginArray->SetArrayL(iPluginArray);

	     		myPluginArray->SetCurrentItem(0);

	     		myPluginArray->DrawDeferred();

	     		myExt->SetArrayL(iExtArray);

				myExt->SetArrayExternalOwnership(ETrue);

				myExt->SetCurrentItem(0);

				myExt->DrawDeferred();	

	      		}		

	      	}	

		}

	}

TKeyResponse CMVSSelectPluginsDialog::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)

	{

	//In this case iScanCode is used in preference to iCode, 

	//as using iCode in list selection doesn't seem to work well

	//with shortkeys,gives a panic

	if (aKeyEvent.iScanCode == EStdKeyEscape && aType == EEventKeyDown)

		{

		OkToExitL(EMVSButtonCancel);	

		}

	if(aKeyEvent.iScanCode == EStdKeyEnter && aType == EEventKeyDown)

		{

		OkToExitL(EMVSButtonNext);

		}

	return CEikDialog::OfferKeyEventL(aKeyEvent,aType);

	}

CMVSSelectPluginsDialog::~CMVSSelectPluginsDialog()

	{

	iPluginArray->Reset(); //reset the arrays

    iExtArray->Reset();

    iCodecArray->Reset();

    delete iExtArray; //and delete them both

    delete iPluginArray;

	delete iCodecArray;

	}