/*

* 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