recorderview.cpp

play stream media file. OS: symbian s60

/*
* ============================================================================
*  Name     : RecorderView.cpp
*  Part of  : RecorderExample
*  Created  : 20.03.2005 by Forum Nokia
*  Version  : 1.0.0
*  Copyright: Nokia Corporation
* ============================================================================
*/


// INCLUDE FILES

#include <aknviewappui.h>
#include "recorderadapter.h"

#include <recorder.rsg>

#include "RecorderView.h"
#include "RecorderContainer.h"
#include "ScreenUpdateTimer.h"
#include "phoneobserver.h"

#include <aknselectionlist.h>  //cba
#include <eikcmbut.h> //button

const TInt KInitIncrement = 0;

const TInt KTimerModelHundredths = 100;
const TInt KTimerModelIncrement = 1;
const TBool KTimerModelRunning = ETrue;

_LIT (KTsyName,"phonetsy.tsy");

// ================= MEMBER FUNCTIONS =======================

//----------------------------------------------------------
// C++ default constructor
// ---------------------------------------------------------
CRecorderView::CRecorderView()
                 : iContainer( NULL ),
                   iTimer( NULL )
    {
    }


// ---------------------------------------------------------
// CRecorderView::ConstructL( const TRect& aRect )
// EPOC two-phased constructor
// ---------------------------------------------------------
void CRecorderView::ConstructL()
    {
    	BaseConstructL( R_RECORDER_VIEW1 );
    }

// ---------------------------------------------------------
// CRecorderView::~CRecorderView()
// Destructor.
// ---------------------------------------------------------
CRecorderView::~CRecorderView()
    {
	
    if ( iContainer )
        {
        AppUi()->RemoveFromStack( iContainer );
        }

    delete iTimer;
    iTimer = NULL;

    delete iContainer;
    iContainer = NULL;
    
    delete iRecorderAdapter;
    iRecorderAdapter = NULL;
    
    if (iPhoneObserver != NULL)
    {
    	iPhoneObserver -> Deactivate();
    	delete iPhoneObserver;
		iPhoneObserver = NULL;
    }
	
	//Close line, phone and server 
	UnRegisterLine();

    }

// ---------------------------------------------------------
// TUid CRecorderView::Id()
// returns view Id.
// ---------------------------------------------------------
TUid CRecorderView::Id() const
    {
    return KViewId;
    }


// ---------------------------------------------------------
// CRecorderView::HandleCommandL( TInt aCommand )
// handles commands.
// ---------------------------------------------------------
void CRecorderView::HandleCommandL( TInt aCommand )
{   
   
	switch ( aCommand )
    {
	    case EAknCmdExit:
	    case EAknSoftkeyBack:
	    case EEikCmdExit:
	    
	        //To ensure destroying of the timer object
	        delete iTimer;
	        iTimer = NULL;
	        
	        AppUi()->HandleCommandL( EEikCmdExit );
	        return; // Returns if exit

	    case EProgCmdPlay:

			//Start timer to update progressbar.
	        ConstructTimerModel();
			ConstructTimerL();

			//Start playback from begin
	       	iRecorderAdapter -> StopL(EPause);	         	
	       	iRecorderAdapter -> PlayL();
	       	
	       	//Set progressbar to start position
	      	iContainer -> ResetAllValues( 0, iRecorderAdapter -> GetMaxDuration() );

	        break;

		case EProgCmdRecord:
	        	      				
			ConstructTimerModel();
			ConstructTimerL();

			iRecorderAdapter -> RecordL();
			iContainer -> ResetAllValues( iRecorderAdapter -> GetDuration(), iRecorderAdapter -> GetMaxDuration() );

			break;
	    	
	    case EProgCmdStop:	
	        iRecorderAdapter -> StopL(EStop);
		           
		    delete iTimer;
		    iTimer = NULL;
	        break;
	    	
	    case ERecordActivate:
	    
	    	iContainer -> SetInfo(ETrue);
	    	
	    	//If ETel is not activated 
	    	if (iPhoneObserver == NULL)
	    	{
	    	
	    		//If registering don't success, server,line and phone are closed
	    		TRAPD(error, RegisterLineL());
	    		
				if(error)
				{
					UnRegisterLine();
					User::Leave(error);	
				}

	    		iPhoneObserver = CPhoneObserver::NewL(this, &iLine); 
	    		iPhoneObserver -> Start();  
	    	}
	    	       	
	    	break;
	    	
	    case ERecordDeactivate:
	    
	    	iContainer -> SetInfo(EFalse);
	    	if (iPhoneObserver != NULL)
	    	{
	    	
	        	iPhoneObserver -> Deactivate();
	        	delete iPhoneObserver;
				iPhoneObserver = NULL;
				
				UnRegisterLine();
			    	
	    	}
	    	
	    	break;
	    
		//Pause	is also used from SoftkeyNext
	    case EProgCmdPause:
	    case EProgSoftkeyNext:
	    	{
	
        	//Depending on recorder's status, different functionality is chosen
	    	if (iRecorderAdapter -> GetRecorderStatus() == EPause)
	    	{
	    		ConstructTimerModel();
				ConstructTimerL();
	    		iRecorderAdapter -> PlayCurrentPositionL();
	    		iContainer -> ResetAllValues( iRecorderAdapter -> GetDuration(), iRecorderAdapter -> GetMaxDuration() );
	    	}
	    	else if(iRecorderAdapter -> GetRecorderStatus() == EPlaying)
	    	{
			    delete iTimer;
			    iTimer = NULL;

	       		iRecorderAdapter -> StopL(EPause);
	    	}
	    	else
	    	{
	    	    ConstructTimerModel();
				ConstructTimerL();
				iRecorderAdapter -> StopL(EPause);	 
	    		iRecorderAdapter -> PlayL();        
	    		iContainer -> ResetAllValues(iRecorderAdapter -> GetDuration(), iRecorderAdapter -> GetMaxDuration() );		
	    	}
	 
	    	break;	
	    	
	    	}
	    	
	    default:
	        AppUi()->HandleCommandL( aCommand );
	        return; // returns if default
	       

	} // End switch ( aCommand )
}

// ---------------------------------------------------------
// CRecorderView::HandleClientRectChange()
// 
// ---------------------------------------------------------
void CRecorderView::HandleClientRectChange()
{
	if ( iContainer )
    {
    	iContainer->SetRect( ClientRect() );
    }
}


// ---------------------------------------------------------
// CRecorderView::DoActivateL(...)
// 
// ---------------------------------------------------------
void CRecorderView::DoActivateL(
   const TVwsViewId& /*aPrevViewId*/, TUid /*aCustomMessageId*/,
   const TDesC8& /*aCustomMessage*/ )
{

	iContainer = new( ELeave ) CRecorderContainer;
	iContainer->SetMopParent(this);
	iContainer->ConstructL( ClientRect() );
	AppUi()->AddToStackL( *this, iContainer );

	iRecorderAdapter = CRecorderAdapter::NewL(iContainer);
		
	//RLine can't be used in debugger
	#ifdef __WINS__
	#else
    //initialize iRLine
	TRAPD(error, RegisterLineL());
	if(error)
	{
		UnRegisterLine();
		User::Leave(error);	
	}

	iPhoneObserver = CPhoneObserver::NewL(this, &iLine); 
	iPhoneObserver -> Start();  
	#endif
	
}
 
// ---------------------------------------------------------
// CRecorderView::HandleCommandL( TInt aCommand )
// 
// ---------------------------------------------------------
void CRecorderView::DoDeactivate()
{
	 
    if ( iContainer )
    {
        AppUi()->RemoveFromStack( iContainer );
    }

    delete iTimer;
    iTimer = NULL;
    
    delete iContainer;
    iContainer = NULL;
    
    delete iRecorderAdapter;
    iRecorderAdapter = NULL;

	if ( iPhoneObserver )
		iPhoneObserver -> Deactivate();
	
	delete iPhoneObserver;
	iPhoneObserver = NULL;
}

// ----------------------------------------------------
// CRecorderView::ConstructTimerModel()
// Set Timer Model
// ----------------------------------------------------
void CRecorderView::ConstructTimerModel()
{
    iTimerModel.iHundredths = KTimerModelHundredths;
    iTimerModel.iIncrement = KTimerModelIncrement;
    iTimerModel.iRunning = KTimerModelRunning;
}


// ----------------------------------------------------
// CRecorderView::ConstructTimerL()
// Set Timer
// ----------------------------------------------------
void CRecorderView::ConstructTimerL()
{
	delete iTimer;
	iTimer = NULL;
	
    iTimer = new( ELeave ) CScreenUpdateTimer;
    iTimer->ConstructL( &iTimerModel, iContainer, iRecorderAdapter );
}


// ----------------------------------------------------
// CRecorderView::SetText()
// Set text in error label in container
// ----------------------------------------------------
void CRecorderView::SetText(TDesC& aText)
{
	iContainer -> SetText(aText);
}


// ----------------------------------------------------
// CRecorderView::UnregisterLine()
// Line, phone and server are closed
// ----------------------------------------------------
void CRecorderView::UnRegisterLine()
{
	iLine.Close();
	iPhone.Close();
	iServer.Close();
}

// ----------------------------------------------------
// CRecorderView::RegisterLine()
// Line is activated for later use
// ----------------------------------------------------
void CRecorderView::RegisterLineL()
{
	//Create a connection to the tel server
	User::LeaveIfError(iServer.Connect());

	//Load in the phone device driver
	User::LeaveIfError(iServer.LoadPhoneModule(KTsyName));
	
	//Find the number of phones available from the tel server
	TInt numberPhones;
	User::LeaveIfError(iServer.EnumeratePhones(numberPhones));

	//Check there are available phones
	if (numberPhones < 1)
	{
		User::Leave(KErrNotFound);
	}

	//Get info about the first available phone
	RTelServer::TPhoneInfo info;
	User::LeaveIfError(iServer.GetPhoneInfo(0, info));

	//Use this info to open a connection to the phone, the phone is identified by its name
	User::LeaveIfError(iPhone.Open(iServer, info.iName));

	//Get info about the first line from the phone
	RPhone::TLineInfo lineInfo;
	User::LeaveIfError(iPhone.GetLineInfo(0, lineInfo));

	User::LeaveIfError(iLine.Open(iPhone, lineInfo.iName));
}

//End of File