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/*
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* Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Object for accessing most recent used email addresses and
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* display names.
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*
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*/
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#include "emailtrace.h"
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#include "emailmru.h"
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#include <XQSettingsManager>
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#include <XQCentralRepositoryUtils>
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#include <XQCentralRepositorySearchCriteria>
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/*!
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Constructor
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*/
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// ID 0, Last saved ID.
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// ID 1, Count of MRU Items.
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EmailMRU::EmailMRU()
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{
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NM_FUNCTION;
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mRepositoryManager = new XQSettingsManager();
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Q_CHECK_PTR(mRepositoryManager);
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mLatestIndex = readCenRep(currentIndexKey).toInt();
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mCount = readCenRep(countKey).toInt();
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}
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/*!
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Destructor
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*/
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EmailMRU::~EmailMRU()
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{
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NM_FUNCTION;
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QString entryIndex;
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entryIndex.setNum(mLatestIndex);
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QString count;
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count.setNum(mCount);
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writeCenRep(currentIndexKey, entryIndex);
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writeCenRep(countKey, count);
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delete mRepositoryManager;
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}
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/*!
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Add entry to MRU database
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\param displayName
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\param emailAddress
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\return success, was the update operation successful
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*/
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bool EmailMRU::updateMRU(QString displayName, QString emailAddress)
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{
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NM_FUNCTION;
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bool success = false;
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qint32 foundEntryIndex = searchForAddress(emailAddress);
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if (foundEntryIndex) {
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success = updateEntry(foundEntryIndex, displayName);
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}
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else {
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qint32 entryIndex = getNextEntryIndex();
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success = writeEntry(entryIndex, displayName, emailAddress);
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mCount++;
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if (mCount > emailAddressHistorySize) {
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mCount = emailAddressHistorySize;
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}
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}
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return success;
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}
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/*!
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Get the number of entries
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\return number of entries
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*/
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quint32 EmailMRU::entryCount() const
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{
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return mCount;
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}
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/*!
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Get entry details
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\param entryIndex entry index to look for
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\param displayName will contain displayname of entry if found
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\param address will contain address of entry if found
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\return success
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*/
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bool EmailMRU::getEntry(qint32 entryIndex, QString &displayName, QString &address)
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{
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NM_FUNCTION;
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bool success = false;
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if ((entryIndex >= 1) && (mCount > 0)) {
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displayName = readCenRep(nameKeyByEntryIndex(entryIndex));
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address = readCenRep(addressKeyByEntryIndex(entryIndex));
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success = true;
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if (address.size()==0) {
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success = false;
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}
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}
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return success;
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}
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/*!
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Resets repository
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*/
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void EmailMRU::reset()
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{
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NM_FUNCTION;
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XQCentralRepositoryUtils utils(*mRepositoryManager);
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utils.resetRepository(emailMruRepositoryKey);
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mLatestIndex = 0;
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mCount = 0;
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}
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/*!
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Writes to central repository
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\param index where to write
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\param value what to write
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\return success, whether write operation succeeded
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*/
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bool EmailMRU::writeCenRep(qint32 index, QString value)
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{
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NM_FUNCTION;
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XQCentralRepositorySettingsKey writeKey(emailMruRepositoryKey, index);
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bool success = mRepositoryManager->writeItemValue(writeKey, value);
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if (!success) {
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XQCentralRepositoryUtils utils(*mRepositoryManager);
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success = utils.createKey(writeKey, value);
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}
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return success;
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}
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/*!
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Reads from central repository
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\param index to read
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\return value
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*/
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QString EmailMRU::readCenRep(qint32 index)
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{
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NM_FUNCTION;
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XQCentralRepositorySettingsKey readKey(emailMruRepositoryKey, index);
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return mRepositoryManager->readItemValue(readKey, XQSettingsManager::TypeString).value<QString> ();
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}
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/*!
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Translates entry indexes into real central repository indexes
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\return central repository index
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*/
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quint32 EmailMRU::getNextEntryIndex()
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{
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NM_FUNCTION;
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mLatestIndex++;
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if (mLatestIndex > emailAddressHistorySize) {
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mLatestIndex = 1;
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}
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return mLatestIndex;
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}
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/*!
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Translates central repository indexes into entry index
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\param realIndex central repository index
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\return entry index
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*/
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qint32 EmailMRU::entryIndex(qint32 crKey)
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{
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NM_FUNCTION;
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qint32 entryIndex = 0;
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if (crKey%2 == 0){
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entryIndex = crKey/2;
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}
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else {
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entryIndex = (crKey-1)/2;
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}
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return entryIndex;
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}
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/*!
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Translates entry index into cenrep email address index
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\param entryIndex
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\return cenrep email address index
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*/
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qint32 EmailMRU::addressKeyByEntryIndex(qint32 entryIndex)
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{
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return entryIndex*2+1;
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}
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/*!
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Translates entry index into cenrep displayname index
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\param entryIndex
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\return cenrep displayname index
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*/
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qint32 EmailMRU::nameKeyByEntryIndex(qint32 entryIndex)
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{
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return entryIndex*2;
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}
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/*!
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Checks if MRU list already contains the address
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\param address to search
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\return entry index of found address, zero if not found
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*/
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qint32 EmailMRU::searchForAddress(QString address)
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{
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NM_FUNCTION;
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quint32 partialKey(0x00000000);
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quint32 bitMask(0x00000000);
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XQCentralRepositorySearchCriteria criteria(emailMruRepositoryKey, partialKey, bitMask);
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criteria.setValueCriteria(address);
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// Find the keys.
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XQCentralRepositoryUtils utils(*mRepositoryManager);
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QList<XQCentralRepositorySettingsKey> foundKeys = utils.findKeys(criteria);
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qint32 index = 0;
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// We should only get one key as a result.
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if (foundKeys.count() == 1) {
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index = foundKeys[0].key();
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}
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return entryIndex(index);
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}
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/*!
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Moves entry, will overwrite the newEntryIndex
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\param oldEntryIndex entry to be moved
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\param newEntryIndex where to move
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*/
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void EmailMRU::moveEntry(qint32 oldEntryIndex, qint32 newEntryIndex)
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{
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NM_FUNCTION;
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// Save the values to be moved
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QString name = readCenRep(nameKeyByEntryIndex(oldEntryIndex));
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QString address = readCenRep(addressKeyByEntryIndex(oldEntryIndex));
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// Overwrite values into new entry
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writeEntry(newEntryIndex, name, address);
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}
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/*!
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Updates displayname and sets entry as newest
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\param entryIndex to update
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\param newDisplayName
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\return success was update operation successfull
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*/
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bool EmailMRU::updateEntry(qint32 entryIndex, QString newDisplayName)
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{
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NM_FUNCTION;
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// Save address
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QString address = readCenRep(addressKeyByEntryIndex(entryIndex));
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// Move all entries following the one to be updated
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// until we go past the newest entry
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for (qint32 i = entryIndex, j = 0; i != mLatestIndex;) {
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j = i+1;
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if (j > emailAddressHistorySize) j = 1;
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moveEntry(j, i);
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i++;
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if (i > emailAddressHistorySize) i = 1;
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}
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// Write the updated entry as the newest entry
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return writeEntry(mLatestIndex, newDisplayName, address);
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}
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/*!
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Writes entry. Overwrites any existing data at give index
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\param entryIndex to write
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\param displayName
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\param emailAddress
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\return success was update operation successfull
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*/
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bool EmailMRU::writeEntry(qint32 entryIndex, QString displayName, QString emailAddress)
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{
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NM_FUNCTION;
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bool nameSuccess = false;
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bool addressSuccess = false;
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nameSuccess = writeCenRep(nameKeyByEntryIndex(entryIndex), displayName);
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if (nameSuccess) {
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addressSuccess = writeCenRep(addressKeyByEntryIndex(entryIndex), emailAddress);
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}
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// Writing name succeeded but writing address not, we destroy the name
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if (!addressSuccess) {
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XQCentralRepositoryUtils utils(*mRepositoryManager);
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XQCentralRepositorySettingsKey deleteKey(emailMruRepositoryKey, nameKeyByEntryIndex(entryIndex));
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utils.deleteKey(deleteKey);
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}
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return (nameSuccess & addressSuccess);
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}
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/*!
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Writes entry. Overwrites any existing data at give index
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\return contacts setting for lastname / firstname order.
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*/
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int EmailMRU::nameOrder()
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{
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XQSettingsManager *repositoryManager = new XQSettingsManager();
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Q_CHECK_PTR(repositoryManager);
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XQCentralRepositorySettingsKey readKey(contactsRepositoryKey,
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nameOrderKey);
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int nameOrder = repositoryManager->readItemValue(readKey,
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XQSettingsManager::TypeInt).toInt();
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delete repositoryManager;
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return nameOrder;
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}
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