// 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;

 	}