--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/uisrc/irhistory.cpp	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,206 @@
+/*
+* Copyright (c) 2006-2007 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:  ?Description
+*
+*/
+
+
+#include <bautils.h>
+#include <s32file.h>
+
+#include "irdebug.h"
+#include "irhistory.h"
+#include "irisdspreset.h"
+#include "irui.h"
+
+//constant declaration
+_LIT(KLastPlayedChannel,"lastPlayed.dat");
+
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::NewL
+// 
+// ---------------------------------------------------------------------------
+//
+CIRLastPlayedStationInfo* CIRLastPlayedStationInfo::NewL()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::NewL - Entering" );
+	CIRLastPlayedStationInfo *self=CIRLastPlayedStationInfo::NewLC();
+	CleanupStack::Pop(self);
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::NewL - Exiting." );
+	return self;
+	}
+	
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::NewLC
+// 
+// ---------------------------------------------------------------------------
+//
+CIRLastPlayedStationInfo* CIRLastPlayedStationInfo::NewLC()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::NewLC - Entering" );
+	CIRLastPlayedStationInfo *self=new(ELeave)CIRLastPlayedStationInfo;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+    IRLOG_DEBUG( "CIRLastPlayedSongInfo::NewLC - Exiting." );	
+	return self;
+	}
+	
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::ConstructL
+// 2nd phase construction
+// ---------------------------------------------------------------------------
+//
+void CIRLastPlayedStationInfo::ConstructL()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::ConstructL - Entering" );
+	iLastPlayedStation=CIRIsdsPreset::NewL();
+	ui = REINTERPRET_CAST(CIRUi*,CEikonEnv::Static()->EikAppUi());
+	TFileName pathLastPlayed=ui->GetPrivatePath();
+	pathLastPlayed.Append(KLastPlayedChannel);
+	
+    RFs& fs = CCoeEnv::Static()->FsSession();	
+	TBool res;
+	res= BaflUtils::FileExists( fs, pathLastPlayed );
+	if(res)
+		{
+        TRAPD( err, RetriveLastPlayedChannelL() );
+        if ( err != KErrNone )
+            {
+            IRLOG_ERROR2( "CIRLastPlayedSongInfo::ConstructL - Retrieving last played channel failed, err=%d", err );            
+            delete iLastPlayedStation;
+            iLastPlayedStation = NULL;
+            iLastPlayedStation = CIRIsdsPreset::NewL();
+            User::LeaveIfError( BaflUtils::DeleteFile( fs, pathLastPlayed ) );            
+            }
+		}	
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::ConstructL - Exiting." );		
+	}
+	
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::~CIRLastPlayedStationInfo
+// standard c++ destructor
+// ---------------------------------------------------------------------------
+//	
+CIRLastPlayedStationInfo::~CIRLastPlayedStationInfo()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::~CIRLastPlayedStationInfo - Entering" );
+	if(iLastPlayedStation)
+		{
+		delete iLastPlayedStation;
+		iLastPlayedStation = NULL;
+		}
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::~CIRLastPlayedStationInfo - Exiting." );	
+	}
+
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::RetriveLastPlayedChannelL
+// Internalizes the preset data from the last played dat file
+// ---------------------------------------------------------------------------
+//	
+void CIRLastPlayedStationInfo::RetriveLastPlayedChannelL()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::RetriveLastPlayedChannelL - Entering" );
+	TFileName filename;
+	filename=ui->GetPrivatePath();
+	filename.Append(KLastPlayedChannel);
+	TParse	filestorename;
+	ui->iFsSession.Parse(filename,filestorename);
+	CFileStore* store = CDirectFileStore::OpenLC(ui->iFsSession,filestorename.
+		FullName(),EFileRead);
+		
+	RStoreReadStream instream;
+	instream.OpenLC(*store,store->Root());
+   	iLastPlayedStation->InternalizeL(instream);
+	CleanupStack::PopAndDestroy(&instream);
+	CleanupStack::PopAndDestroy(store);
+    IRLOG_DEBUG( "CIRLastPlayedSongInfo::RetriveLastPlayedChannelL - Exiting." );	
+	}
+
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::CommitLastPlayedChannelL
+// Externalizes the preset data into last played dat
+// ---------------------------------------------------------------------------
+//	
+void CIRLastPlayedStationInfo::CommitLastPlayedChannelL()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::CommitLastPlayedChannelL - Entering" );
+	TFileName filename;
+	filename=ui->GetPrivatePath();
+	filename.Append(KLastPlayedChannel);
+	TParse	filestorename;
+	ui->iFsSession.Parse(filename,filestorename);
+	CFileStore* store = CDirectFileStore::ReplaceLC(ui->iFsSession,
+		filestorename.FullName(),EFileWrite);
+		
+	// Must say what kind of file store.
+	store->SetTypeL(KDirectFileStoreLayoutUid);
+    // Construct the output stream.
+	RStoreWriteStream outstream;
+	TStreamId id = outstream.CreateLC(*store);
+	iLastPlayedStation->ExternalizeL(outstream);
+	outstream.CommitL();
+	// Cleanup the stream object
+	CleanupStack::PopAndDestroy(&outstream);
+	// Set this stream id as the root
+	store->SetRootL(id);
+	// Commit changes to the store
+	store->CommitL();
+	CleanupStack::PopAndDestroy(store);	
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::CommitLastPlayedChannelL - Exiting." );	
+	}
+	
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::FileExists
+// checks if the last played dat file exists
+// ---------------------------------------------------------------------------
+//
+TBool CIRLastPlayedStationInfo::FileExists()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::FileExists - Entering" );
+	TFileName filename; 
+	filename=ui->GetPrivatePath();
+	filename.Append(KLastPlayedChannel);
+	TBool result=BaflUtils::FileExists(ui->iFsSession,filename);
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::FileExists - Exiting." );
+	return result;
+	}
+	
+// ---------------------------------------------------------------------------
+// CIRLastPlayedStationInfo::RemoveLastPlayedFile
+// removes the last played dat file if it gets corrupted
+// ---------------------------------------------------------------------------
+//
+TInt CIRLastPlayedStationInfo::RemoveLastPlayedFile()
+	{
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::RemoveLastPlayedFile - Entering" );
+	TInt ret = KErrNone;
+	if(FileExists())
+		{
+		CFileMan *fileHandle = NULL;
+		TRAPD(err , fileHandle=CFileMan::NewL(ui->iFsSession));	
+		if(err)
+			{
+			ret = err ;
+			}
+		TFileName filename; 
+		filename=ui->GetPrivatePath();
+    		filename.Append(KLastPlayedChannel);
+    		ret = fileHandle->Delete(filename);
+		delete fileHandle;
+		}
+	IRLOG_DEBUG( "CIRLastPlayedSongInfo::RemoveLastPlayedFile - Exiting." );	
+	return ret;
+	
+	}
+