--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/ui/src/iaupdatequeryhistory.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,425 @@
+/*
+* Copyright (c) 2007-2008 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:    
+*
+*/
+
+
+
+// INCLUDE FILES
+
+#include "iaupdatequeryhistory.h"
+#include "iaupdatedebug.h"
+#include "iaupdatedialogutil.h"
+
+#include <bautils.h>  // bafl.lib 
+#include <s32file.h>  // estor.lib
+#include <sysutil.h>
+
+// CONSTANTS
+const TInt KHistoryDrive( EDriveC );
+const TInt KHistoryItemSize( 12 );
+
+// MACROS
+_LIT( KHistoryFile, "IADQueryHistory" );
+
+
+/*******************************************************************************
+ * class TIAUpdateQueryHistoryItem
+ *******************************************************************************/
+
+
+// -----------------------------------------------------------------------------
+// TIAUpdateQueryHistoryItem::Time
+//
+// -----------------------------------------------------------------------------
+//
+TTime TIAUpdateQueryHistoryItem::Time()
+	{
+	return iTime;
+	}
+
+
+// -----------------------------------------------------------------------------
+// TIAUpdateQueryHistoryItem::SetTime
+//
+// -----------------------------------------------------------------------------
+//
+void TIAUpdateQueryHistoryItem::SetTime( TTime aTime )
+	{
+	iTime = aTime;
+	}
+
+
+// -----------------------------------------------------------------------------
+// TIAUpdateQueryHistoryItem::InternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void TIAUpdateQueryHistoryItem::InternalizeL( RReadStream& aStream )
+	{
+	iUid = aStream.ReadUint32L();
+
+	TInt64 temp = 0;
+	aStream >> temp;
+	
+	if ( temp <= 0 )
+	    {
+	    User::Leave( KErrCorrupt );
+	    }
+	TTime time( temp );
+	iTime = time;
+	}
+
+
+// -----------------------------------------------------------------------------
+// TIAUpdateQueryHistoryItem::ExternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void TIAUpdateQueryHistoryItem::ExternalizeL( RWriteStream& aStream )
+	{
+	aStream.WriteUint32L( iUid );
+	aStream << iTime.Int64();
+	}
+
+
+
+
+	
+/*******************************************************************************
+ * class CIAUpdateQueryHistory
+ *******************************************************************************/
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CIAUpdateQueryHistory* CIAUpdateQueryHistory::NewL()
+    {
+    CIAUpdateQueryHistory* self = new (ELeave) CIAUpdateQueryHistory();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+
+    return(self);
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::CIAUpdateQueryHistory
+// 
+// -----------------------------------------------------------------------------
+//
+CIAUpdateQueryHistory::CIAUpdateQueryHistory()
+: iDelay( KDefaultDelayHours )
+	{
+    }
+
+
+// ----------------------------------------------------------------------------
+// Destructor
+//
+// ----------------------------------------------------------------------------
+//
+CIAUpdateQueryHistory::~CIAUpdateQueryHistory()
+    {
+    iList.Close();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::ConstructL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::ConstructL()
+    {
+    } 
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::SetTimeL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::SetTimeL( TUint aUid )
+    {
+    
+    
+    RFs fsSession;
+    HBufC* path = HBufC::NewLC( KMaxFileName );
+    TPtr pathPtr = path->Des();
+    
+    ConnectLC( fsSession, pathPtr );
+    
+    ReadHistoryL( fsSession, *path );
+    
+    TTime currentTime;
+    currentTime.UniversalTime();
+    
+    TIAUpdateQueryHistoryItem item;
+    item.iUid = aUid;
+    item.SetTime( currentTime );
+    AddItemL( item );
+    
+    WriteHistoryL( fsSession, *path );
+      
+    CleanupStack::PopAndDestroy( &fsSession ); 
+    CleanupStack::PopAndDestroy( path ); 
+        
+
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::SetDelay
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::SetDelay( TInt aHours )
+    {
+    iDelay = aHours;
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::IsDelayedL
+//
+// -----------------------------------------------------------------------------
+//
+TBool CIAUpdateQueryHistory::IsDelayedL( TUint aUid )
+    {
+    RFs fsSession;
+    HBufC* path = HBufC::NewLC( KMaxFileName );
+    TPtr pathPtr = path->Des();
+    
+    ConnectLC( fsSession, pathPtr );
+    
+    ReadHistoryL( fsSession, *path );
+       
+    CleanupStack::PopAndDestroy( &fsSession ); 
+    CleanupStack::PopAndDestroy( path );
+    
+    TInt index = ItemIndex( aUid );
+    if ( index == KErrNotFound )
+        {
+        return EFalse; // no history data for this uid
+        }
+
+    TIAUpdateQueryHistoryItem& item = Item( index );
+
+    return IsDelayed( item );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::ConnectLC
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::ConnectLC( RFs& aFsSession, TDes& aPath )
+    {
+    User::LeaveIfError( aFsSession.Connect() );
+    CleanupClosePushL( aFsSession );
+    User::LeaveIfError( aFsSession.SetSessionToPrivate( KHistoryDrive ) );
+    // sessionpath in emulator: '\epoc32\winscw\c\private\2000F85A'
+    User::LeaveIfError( aFsSession.SessionPath( aPath ) );
+    BaflUtils::EnsurePathExistsL( aFsSession, aPath );
+    aPath.Append( KHistoryFile );
+    }
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::InternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::InternalizeL( RReadStream& aStream )
+	{
+	TInt count = aStream.ReadInt32L();
+	if ( count < 0 )
+	    {
+	    User::Leave( KErrCorrupt );
+	    }
+	
+	for (TInt i = 0; i< count; i++ )
+		{
+		TIAUpdateQueryHistoryItem item;
+		item.InternalizeL( aStream );
+		iList.AppendL( item );
+		}
+	}
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::ExternalizeL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::ExternalizeL( RWriteStream& aStream )
+	{
+	TInt count = iList.Count();
+	aStream.WriteInt32L( count );
+		
+	for (TInt i = 0; i < count; i++ )
+		{
+		TIAUpdateQueryHistoryItem& item = iList[i];
+		item.ExternalizeL( aStream );
+		}
+	}
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::ReadHistoryL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::ReadHistoryL( RFs& aFsSession, const TDesC& aPath )
+	{
+	iList.Reset();
+	RFile file;
+    TInt err = file.Open( aFsSession, aPath, EFileRead|EFileShareAny );
+    if ( err != KErrNotFound )
+    	{
+    	User::LeaveIfError( err );
+    	CleanupClosePushL( file );
+    
+        RFileReadStream stream( file, 0 );
+        CleanupClosePushL( stream );
+
+        InternalizeL( stream );
+
+        CleanupStack::PopAndDestroy( &stream );
+        CleanupStack::PopAndDestroy( &file );
+    	}
+ 	}
+
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::WriteHistoryL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::WriteHistoryL( RFs& aFsSession, const TDesC& aPath )
+	{
+	
+	TDriveUnit driveUnit( KHistoryDrive );
+	if ( SysUtil::DiskSpaceBelowCriticalLevelL( &aFsSession, KHistoryItemSize, driveUnit ) )
+	    {
+		User::Leave( KErrDiskFull );
+	    }
+	RFile file;
+    User::LeaveIfError( file.Replace( aFsSession, aPath, EFileWrite|EFileShareAny ) );
+    CleanupClosePushL( file );
+    
+    RFileWriteStream stream( file, 0 );
+    CleanupClosePushL( stream );
+
+    ExternalizeL( stream );
+        
+    stream.CommitL();
+    
+    CleanupStack::PopAndDestroy( &stream );
+    CleanupStack::PopAndDestroy( &file );
+	}
+    
+
+
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::IsDelayed
+//
+// -----------------------------------------------------------------------------
+//
+TBool CIAUpdateQueryHistory::IsDelayed( TIAUpdateQueryHistoryItem& aItem )
+    {
+    TTime currentTime;
+    currentTime.UniversalTime();
+
+    TTime lastQueryTime = aItem.Time();
+        
+    TTimeIntervalHours hours;
+    TInt err = currentTime.HoursFrom( lastQueryTime, hours );
+    if ( err != KErrNone )
+        {
+        return EFalse;
+        }
+    
+    TInt hourCount = hours.Int();
+    if ( hourCount >= 0 && hourCount < iDelay )
+        {
+        return ETrue;
+        }
+        
+    return EFalse;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::AddItemL
+//
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateQueryHistory::AddItemL( TIAUpdateQueryHistoryItem aItem )
+	{
+	TInt index = ItemIndex( aItem.iUid );
+	if ( index != KErrNotFound )
+		{
+		iList.Remove( index );
+		}
+
+	User::LeaveIfError( iList.Append( aItem ) );
+	
+	}
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::ItemIndex
+//
+// -----------------------------------------------------------------------------
+//
+TInt CIAUpdateQueryHistory::ItemIndex( TUint aUid )
+	{
+	TInt count = iList.Count();
+	
+	for (TInt i=0; i < count; i++)
+		{
+		TIAUpdateQueryHistoryItem& item= iList[i];
+		if ( item.iUid == aUid )
+			{
+			return i;
+			}
+		}
+		
+	return KErrNotFound;
+	}
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateQueryHistory::Item
+//
+// -----------------------------------------------------------------------------
+//
+TIAUpdateQueryHistoryItem& CIAUpdateQueryHistory::Item( TInt aIndex )
+	{
+	return iList[aIndex];
+	}
+
+    
+//  End of File