examples/SFExamples/symbian_os_communications_programming_book_v2/chapter8/receivingmessages/CMessageSummaryGenerator.cpp

// 
// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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 "CMessageSummaryGenerator.h"
#include "summaryscreenlog.h"

// Get the message summary list that has already been generated
const RArray<TMessageSummary>& CMessageSummaryGenerator::MessageSummaries() const
        {
        return iMessageSummaries;
        }


CMessageSummaryGenerator::CMessageSummaryGenerator(TMsvId aInboxEntry,
                                                                TUid aMessageType,
                                                                CMsvEntry& aMessagingEntry) : iMessagingEntry(aMessagingEntry),
                                                                                                                                iInboxEntry(aInboxEntry),
                                                                                                                                iMessageType(aMessageType)
        {

        }

void CMessageSummaryGenerator::StartL(TRequestStatus& aStatus)
        {
        LOG(">> CMessageSummaryGenerator::StartL(TRequestStatus& aStatus)");
        aStatus = KRequestPending;
        
        iMessageSummaries.Reset();
        // Set the CMsvEntry to point to the appropriate inbox, this will be the
        // global inbox for SMS or the remote POP3 inbox for email.
        iMessagingEntry.SetEntryL(iInboxEntry);
        // Get a list of the messages in the selected inbox of the type we are looking for (e.g. SMS or email)
        CMsvEntrySelection* filteredMessageIds = iMessagingEntry.ChildrenWithMtmL(iMessageType);
        CleanupStack::PushL(filteredMessageIds);

        // Calculate the number of messages to summarise
        TInt numberForSummary = filteredMessageIds->Count();
        if (numberForSummary > KMaxSummaryMessages)
                numberForSummary = KMaxSummaryMessages;
        
        TInt index;
        TMsvEntry tempDataEntry;
        for (index = 0; index < numberForSummary; index++)
                // Generate the message summaries
                {
                // Get the TMsvEntry data for the message at the current index.
                tempDataEntry = iMessagingEntry.ChildDataL((*filteredMessageIds)[index]);
                
                // Copy the message details from TMsvEntry to the message summary structure (TMessageSummary)
                TMessageSummary summary;
                
                summary.iFrom = tempDataEntry.iDetails.Left(KMaxSummaryStringSize - 9);
                summary.iSummaryText = tempDataEntry.iDescription.Left(KMaxSummaryStringSize);

                iMessageSummaries.AppendL(summary);
                }
        
        TRequestStatus* status = &aStatus;
        User::RequestComplete(status, KErrNone);
        
        CleanupStack::Pop(filteredMessageIds);

        LOG("<< CMessageSummaryGenerator::StartL(TRequestStatus& aStatus)");
        }

CMessageSummaryGenerator::~CMessageSummaryGenerator()
        {
        iMessageSummaries.Close();
        }

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