--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuieng/EngSrc/camessageutil.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2006-2006 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:  General helper methods for message handling
+*
+*/
+
+
+#include <e32std.h>
+#include <stringloader.h>
+
+#include "chatdebugprint.h"
+#include "camessageutil.h"
+#include "mcamessage.h"
+#include "mcamessagecreator.h"
+#include "mcamessageswriteinterface.h"
+
+#include <caengineNG.rsg> // Resource
+#include <avkon.rsg>
+
+// CONSTANTS
+const TInt KMaxDateStringLength = 25; // max length of date message
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CAMessageUtil::AppendDateStampL
+// ---------------------------------------------------------------------------
+//
+void CAMessageUtil::AppendDateStampL(
+    TTime aNewTime,
+    MCAMessagesWriteInterface& aWriteInterface,
+    MCAMessageCreator& aMessageCreator )
+    {
+    // DateStamp is NOT appended if:
+    // 1. There are no previous messages
+    // 2. Previous message is from the same day as aNewTime
+
+    CHAT_DP_FUNC_ENTER( "CAMessageUtil::AppendDateStampL" )
+    TTime lastTime = aWriteInterface.Time();
+
+    if ( lastTime == Time::NullTTime() )
+        {
+        // no previous messages
+        return;
+        }
+
+    // Compare timestamps
+    TDateTime lastDate = lastTime.DateTime();
+    TDateTime newDate = aNewTime.DateTime();
+
+    if ( lastDate.Day() != newDate.Day() ||
+         lastDate.Month() != newDate.Month() ||
+         lastDate.Year() != newDate.Year() )
+        {
+        // Day is not the same
+        // Create a system message about new date
+
+        // Format Date eg. "11.12.2006"
+        HBufC* dateFormat = NULL;
+        dateFormat = StringLoader::LoadLC( R_QTN_DATE_USUAL_WITH_ZERO );
+        HBufC* dateString = HBufC::NewLC( KMaxDateStringLength );
+        TPtr dateStringPtr( dateString->Des() );
+        aNewTime.FormatL( dateStringPtr, *dateFormat );
+
+        CHAT_DP(
+            D_CHAT_LIT( "Adding datestamp to container: %U" ), dateStringPtr );
+
+        // Load date message
+        HBufC* dateMessage =
+            StringLoader::LoadLC( R_SYSTEM_MESSAGE_DATE_CHANGE,
+                                  dateStringPtr );
+
+        // Cleanupstack not needed because ownership
+        // is transferred to aWriteInterface
+        MCAMessage* message = aMessageCreator.CreateSystemMessageL( // CSI: 35 # See comment above
+                                  MCAMessage::ESystemMessageDateChange, *dateMessage );
+
+        // Append message to container
+        // ownership is transferred
+        aWriteInterface.AppendL( message );
+
+        // dateformat, datestring, dateMessage
+        CleanupStack::PopAndDestroy( 3, dateFormat );
+        }
+
+    CHAT_DP_FUNC_DONE( "CAMessageUtil::AppendDateStampL" )
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAMessageUtil::AppendMessageWithDateStampL
+// ---------------------------------------------------------------------------
+//
+void CAMessageUtil::AppendMessageWithDateStampL(
+    MCAMessage& aNewMessage,
+    MCAMessagesWriteInterface& aWriteInterface,
+    MCAMessageCreator& aMessageCreator,
+    TBool aSharedOwnership )
+    {
+    // Make sure this does not leave before the new message is
+    // appended to interface,
+    TRAP_IGNORE( AppendDateStampL( aNewMessage.TimeStamp(),
+                                   aWriteInterface,
+                                   aMessageCreator ) );
+    aWriteInterface.AppendL( &aNewMessage, aSharedOwnership );
+    }
+
+// End of file