author | hgs |
Wed, 15 Sep 2010 12:09:55 +0300 | |
changeset 68 | 83cc6bae1de8 |
parent 66 | 084b5b1f02a7 |
child 74 | 6c59112cfd31 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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: |
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* |
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*/ |
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|
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#include <QTimer> |
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#include <QDir> |
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#include <qpluginloader.h> |
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#include <xqapplicationmanager.h> |
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#include <xqaiwdeclplat.h> |
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#include <email_services_api.h> |
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#include "nmcommon.h" |
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#include "nmmessageenvelope.h" |
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#include "nmhswidgetemailengine.h" |
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#include "nmdataplugininterface.h" |
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#include "nmmailbox.h" |
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#include "nmfolder.h" |
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#include "nmdatapluginfactory.h" |
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#include "nmhswidgetconsts.h" |
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#include "emailtrace.h" |
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|
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/*! |
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Constructor |
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*/ |
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NmHsWidgetEmailEngine::NmHsWidgetEmailEngine(const NmId& monitoredMailboxId) : |
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mMailboxId(monitoredMailboxId), |
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mFolderId(0), |
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mAccountName(), |
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mUnreadCount(-1), |
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mEmailInterface(0), |
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mFactory(0), |
|
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mAccountEventReceivedWhenSuspended(false), |
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mMessageEventReceivedWhenSuspended(false), |
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mSuspended(false), |
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mUpdateTimer(0), |
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mAiwRequest(0) |
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{ |
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NM_FUNCTION; |
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} |
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|
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/*! |
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initilaize - Initializes the engine |
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Works as a second phase constructor. Must be called before any other operations. |
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Client should connect to exceptionOccured signal before calling this method. |
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/return true if initialize succeedes otherwise false. If false the object is unusable. |
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*/ |
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bool NmHsWidgetEmailEngine::initialize() |
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{ |
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NM_FUNCTION; |
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|
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if (!constructNmPlugin()) { |
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//if plugin connection fails, there's no reason to proceed |
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return false; |
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} |
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updateData(); |
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updateAccount(); |
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mUpdateTimer = new QTimer(this); |
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mUpdateTimer->setInterval(NmHsWidgetEmailEngineUpdateTimerValue); |
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connect(mUpdateTimer, SIGNAL(timeout()), this, SLOT(handleUpdateTimeout()) ); |
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return true; |
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} |
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/*! |
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constructNmPlugin |
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/post Constructs a connection to an instance of NmDataPluginInterface |
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/return true if construction succeeded, otherwise false. |
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*/ |
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bool NmHsWidgetEmailEngine::constructNmPlugin() |
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{ |
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NM_FUNCTION; |
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|
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QObject* pluginInstance(0); |
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//Get data plugin factory instance |
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mFactory = NmDataPluginFactory::instance(); |
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if (!mFactory) { |
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NM_ERROR(1,"NmHsWidgetEmailEngine::constructNmPlugin() -- mFactory FAILED"); |
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return false; |
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} |
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//Get plugin instance |
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pluginInstance = mFactory->pluginInstance(mMailboxId); |
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if (!pluginInstance) { |
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NM_ERROR(1,"NmHsWidgetEmailEngine::constructNmPlugin() -- pluginInstance FAILED"); |
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return false; |
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} |
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|
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//get interface instance |
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mEmailInterface = mFactory->interfaceInstance(pluginInstance); |
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|
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if (!mEmailInterface) { |
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NM_ERROR(1,"NmHsWidgetEmailEngine::constructNmPlugin() -- mEmailInterface FAILED"); |
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return false; |
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} |
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//Verify that the mailbox we are interested actually exists. |
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//Otherwise emit account deleted event (instead of just returning) |
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QList<NmId> ids; |
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mEmailInterface->listMailboxIds(ids); |
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if(!ids.contains(mMailboxId)){ |
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NM_ERROR(1,"NmHsWidgetEmailEngine::constructNmPlugin() -- !ids.contains(mMailboxId) FAILED"); |
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emit exceptionOccured(NmEngineExcAccountDeleted); |
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return false; |
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} |
68 | 117 |
|
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//retrieve folderID for this mailbox's inbox |
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//If NmId equals zero, we don't have the Initial sync done for the account |
68 | 120 |
//This is valid at least for IMAP accounts. |
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//Folder ID is then retrieved later when first message event is received |
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mFolderId = mEmailInterface->getStandardFolderId(mMailboxId, NmFolderInbox); |
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123 |
|
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//Subscription is needed - otherwise the signals will not be received |
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mEmailInterface->subscribeMailboxEvents(mMailboxId); |
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126 |
|
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//Connect to events |
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connect(pluginInstance, SIGNAL( messageEvent(NmMessageEvent, const NmId&, |
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const QList<NmId>&, const NmId&) ), this, |
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SLOT( handleMessageEvent(NmMessageEvent, const NmId&, |
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const QList<NmId>&, const NmId&) )); |
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|
68 | 133 |
connect( pluginInstance, SIGNAL( void folderEvent( |
134 |
NmFolderEvent, const QList<NmId>, const NmId&) ), this, |
|
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SLOT( void handleFolderEvent( NmFolderEvent, const QList<NmId>, const NmId&))); |
|
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||
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connect(pluginInstance, SIGNAL( mailboxEvent(NmMailboxEvent, const QList<NmId>& ) ), this, |
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SLOT( handleMailboxEvent(NmMailboxEvent, const QList<NmId>&) )); |
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139 |
|
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return true; |
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} |
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142 |
|
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/*! |
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Reset envelope list |
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\post mEnvelopeList.isEmpty() == true && all contained objects are deleted |
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*/ |
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void NmHsWidgetEmailEngine::resetEnvelopeList() |
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{ |
43 | 149 |
NM_FUNCTION; |
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150 |
|
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while (!mEnvelopeList.isEmpty()) { |
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delete mEnvelopeList.takeFirst(); |
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} |
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} |
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155 |
|
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/*! |
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Destructor |
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*/ |
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NmHsWidgetEmailEngine::~NmHsWidgetEmailEngine() |
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{ |
43 | 161 |
NM_FUNCTION; |
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162 |
|
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resetEnvelopeList(); |
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if (mFactory) { |
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NmDataPluginFactory::releaseInstance(mFactory); |
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} |
68 | 167 |
|
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if (mUpdateTimer){ |
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mUpdateTimer->stop(); |
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delete mUpdateTimer; |
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} |
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} |
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|
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/*! |
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getEnvelopes() provides message envelopes as a list of stack objects |
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Amount of message envelopes in the list parameter is the smallest of the following factors: |
68 | 177 |
'KMaxNumberOfEnvelopesProvided', 'maxEnvelopeAmount', 'amount of available envelopes'. |
178 |
||
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\param list list to be filled with message envelopes |
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\param maxEnvelopeAmount Client side limit for amount of message envelope count. |
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\return count of envelopes added to list |
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*/ |
68 | 183 |
int NmHsWidgetEmailEngine::getEnvelopes(QList<NmMessageEnvelope*> &list, int maxEnvelopeAmount) |
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{ |
43 | 185 |
NM_FUNCTION; |
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list.clear(); //Reset the parameter list to avoid side effects |
68 | 187 |
list.append(mEnvelopeList.mid(0, maxEnvelopeAmount)); |
188 |
return list.count(); |
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} |
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190 |
|
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/*! |
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UnreadCount |
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193 |
|
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\return count of unread mails, or -1 if there are no mails at all in the mailbox. |
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*/ |
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int NmHsWidgetEmailEngine::unreadCount() |
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{ |
43 | 198 |
NM_FUNCTION; |
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return mUnreadCount; |
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} |
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201 |
|
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/*! |
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accountName |
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204 |
|
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\return name of the monitored account |
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*/ |
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QString NmHsWidgetEmailEngine::accountName() |
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{ |
43 | 209 |
NM_FUNCTION; |
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return mAccountName; |
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} |
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212 |
|
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/*! |
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Refresh email data. |
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\post mEnvelopeList is refreshed with valid content so that it has |
68 | 216 |
valid data with maximum of KMaxNumberOfEnvelopesProvided envelopes. |
217 |
||
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- emits exceptionOccured(NmEngineExcFailure) if fatal error occurs. |
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- emits mailDataChanged() if new mail data is set into mEnvelopeList |
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- emits unreadCountChanged(mUnreadCount), if mUnreadCount is updated |
68 | 221 |
|
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\return true if everything succeeded, otherwise false |
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*/ |
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bool NmHsWidgetEmailEngine::updateData() |
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{ |
43 | 226 |
NM_FUNCTION; |
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if (!mEmailInterface) { |
43 | 228 |
NM_ERROR(1,"NmHsWidgetEmailEngine::updateData() -- Interface missing"); |
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emit exceptionOccured(NmEngineExcFailure); //fatal error |
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return false; //if interface is missing there's nothing to do |
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} |
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232 |
|
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//reset envelope list before retrieving new items |
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resetEnvelopeList(); |
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235 |
|
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//get messages from inbox |
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int msgErr = mEmailInterface->listMessages(mMailboxId, mFolderId, mEnvelopeList, |
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238 |
KMaxNumberOfEnvelopesProvided); |
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239 |
if (msgErr) { |
68 | 240 |
//retrieval of messages failed. |
23
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241 |
return false; |
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242 |
} |
20
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243 |
//emit signal about new message data right away |
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244 |
emit mailDataChanged(); |
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245 |
//retrieve new unread count to mUnreadCount |
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246 |
NmFolder* folder = NULL; |
23
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int folderErr = mEmailInterface->getFolderById(mMailboxId, mFolderId, folder); |
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|
248 |
if (folderErr) { |
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249 |
//retrieval of valid folder failed. |
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250 |
return false; |
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251 |
} |
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252 |
if (folder) { |
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|
253 |
//If messageCount in the folder is zero we must indicate unread count to be -1 |
44 | 254 |
if (mEnvelopeList.count() == 0) { |
23
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|
255 |
mUnreadCount = -1; |
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|
256 |
} |
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|
257 |
else { |
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258 |
mUnreadCount = folder->unreadMessageCount(); |
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259 |
} |
20
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260 |
delete folder; |
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261 |
folder = NULL; |
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262 |
//limit the unread count to KMaxUnreadCount |
23
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|
263 |
if (mUnreadCount > KMaxUnreadCount) { |
20
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|
264 |
mUnreadCount = KMaxUnreadCount; |
23
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|
265 |
} |
20
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|
266 |
//emit signal about changed unread count |
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|
267 |
emit unreadCountChanged(mUnreadCount); |
23
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|
268 |
}else{ |
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|
269 |
return false; |
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270 |
} |
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|
271 |
return true; |
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272 |
} |
18
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|
273 |
|
20
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|
274 |
/*! |
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|
275 |
handleMessageEvent slot. |
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|
276 |
*/ |
23
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|
277 |
void NmHsWidgetEmailEngine::handleMessageEvent( |
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278 |
NmMessageEvent event, |
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279 |
const NmId &folderId, |
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280 |
const QList<NmId> &messageIds, |
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281 |
const NmId& mailboxId) |
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282 |
{ |
43 | 283 |
NM_FUNCTION; |
20
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|
284 |
Q_UNUSED(event); |
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|
285 |
Q_UNUSED(messageIds); |
68 | 286 |
|
23
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|
287 |
if (!mEmailInterface) { |
43 | 288 |
NM_ERROR(1,"NmHsWidgetEmailEngine::handleMessageEvent() -- Interface missing"); |
23
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|
289 |
emit exceptionOccured(NmEngineExcFailure); //fatal error |
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|
290 |
return; //if interface is missing there's nothing to do |
2dc6caa42ec3
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|
291 |
} |
68 | 292 |
|
23
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|
293 |
if (mFolderId == NmId(0)) { |
68 | 294 |
// inbox was not created in construction phase or the folder was deleted in some point, |
295 |
//so let's get the id now as we received first mail event |
|
23
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|
296 |
mFolderId = mEmailInterface->getStandardFolderId(mMailboxId, NmFolderInbox); |
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|
297 |
} |
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|
298 |
if ((folderId == mFolderId) && (mailboxId == mMailboxId)) { |
20
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|
299 |
//Data is updated only if the engine is not suspended |
23
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|
300 |
if (mSuspended) { |
20
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|
301 |
mMessageEventReceivedWhenSuspended = true; |
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|
302 |
} |
23
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|
303 |
else { |
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Revision: 201017
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|
304 |
//start or restart the timer. Update is started when timer expires |
2dc6caa42ec3
Revision: 201017
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|
305 |
mUpdateTimer->start(); |
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Revision: 201017
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|
306 |
} |
20
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|
307 |
} |
23
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|
308 |
} |
20
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|
309 |
|
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|
310 |
/*! |
68 | 311 |
handleFolderEvent slot. |
312 |
If the monitored folder is deleted, clear the envelope list and unread count. |
|
313 |
Also the mFolderId is set to 0 to indicate the current state so that in device boot up |
|
314 |
we don't query any messages. When the first message event arrives, the folder ID must be |
|
315 |
retrieved again. |
|
316 |
*/ |
|
317 |
void NmHsWidgetEmailEngine::handleFolderEvent( NmFolderEvent event, |
|
318 |
const QList<NmId> &folderIds, const NmId& mailboxId) |
|
319 |
{ |
|
320 |
NM_FUNCTION; |
|
321 |
//react only if the monitored folder for monitored account is deleted |
|
322 |
if (event == NmFolderIsDeleted && mailboxId == mMailboxId && folderIds.contains(mFolderId) ) |
|
323 |
{ |
|
324 |
resetEnvelopeList(); //cached envelopes to be cleared |
|
325 |
mUnreadCount = 0; //unread count to 0 |
|
326 |
mFolderId = NmId(0); //folder id to zero (indicates the situation where folder is not available) |
|
327 |
emit mailDataChanged(); //emit data change for UI |
|
328 |
emit unreadCountChanged(mUnreadCount); // emit unread count change to UI |
|
329 |
} |
|
330 |
} |
|
331 |
||
332 |
||
333 |
/*! |
|
20
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|
334 |
handleMailboxEvent slot. |
ecc8def7944a
Revision: 201015
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changeset
|
335 |
*/ |
23
2dc6caa42ec3
Revision: 201017
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|
336 |
void NmHsWidgetEmailEngine::handleMailboxEvent(NmMailboxEvent event, const QList<NmId> &mailboxIds) |
2dc6caa42ec3
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|
337 |
{ |
43 | 338 |
NM_FUNCTION; |
23
2dc6caa42ec3
Revision: 201017
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|
339 |
if (mailboxIds.contains(mMailboxId)) { |
2dc6caa42ec3
Revision: 201017
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|
340 |
switch (event) { |
2dc6caa42ec3
Revision: 201017
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|
341 |
case (NmMailboxChanged): { |
2dc6caa42ec3
Revision: 201017
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changeset
|
342 |
if (mSuspended) { |
2dc6caa42ec3
Revision: 201017
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|
343 |
mAccountEventReceivedWhenSuspended = true; |
2dc6caa42ec3
Revision: 201017
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|
344 |
} |
2dc6caa42ec3
Revision: 201017
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changeset
|
345 |
else { |
2dc6caa42ec3
Revision: 201017
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|
346 |
updateAccount(); |
2dc6caa42ec3
Revision: 201017
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|
347 |
} |
2dc6caa42ec3
Revision: 201017
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changeset
|
348 |
break; |
2dc6caa42ec3
Revision: 201017
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|
349 |
} |
2dc6caa42ec3
Revision: 201017
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|
350 |
case (NmMailboxDeleted): { |
2dc6caa42ec3
Revision: 201017
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|
351 |
emit exceptionOccured(NmEngineExcAccountDeleted); |
2dc6caa42ec3
Revision: 201017
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|
352 |
break; |
20
ecc8def7944a
Revision: 201015
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diff
changeset
|
353 |
} |
23
2dc6caa42ec3
Revision: 201017
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changeset
|
354 |
default: |
2dc6caa42ec3
Revision: 201017
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|
355 |
//ignored |
2dc6caa42ec3
Revision: 201017
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changeset
|
356 |
break; |
2dc6caa42ec3
Revision: 201017
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changeset
|
357 |
} |
2dc6caa42ec3
Revision: 201017
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changeset
|
358 |
} |
2dc6caa42ec3
Revision: 201017
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changeset
|
359 |
} |
20
ecc8def7944a
Revision: 201015
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diff
changeset
|
360 |
|
23
2dc6caa42ec3
Revision: 201017
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diff
changeset
|
361 |
/*! |
2dc6caa42ec3
Revision: 201017
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changeset
|
362 |
* handleUpdateTimeout slot |
2dc6caa42ec3
Revision: 201017
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diff
changeset
|
363 |
*/ |
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364 |
void NmHsWidgetEmailEngine::handleUpdateTimeout() |
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365 |
{ |
43 | 366 |
NM_FUNCTION; |
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367 |
if (mUpdateTimer){ |
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mUpdateTimer->stop(); |
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369 |
} |
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updateData(); |
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371 |
} |
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372 |
|
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373 |
/*! |
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374 |
Update Account data |
68 | 375 |
\post if mEmailInterface exists, the mAccountName is refreshed from adapter |
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and accountNameChanged signal is emitted. |
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377 |
*/ |
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bool NmHsWidgetEmailEngine::updateAccount() |
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379 |
{ |
43 | 380 |
NM_FUNCTION; |
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381 |
|
20
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NmMailbox* box = NULL; |
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383 |
if (mEmailInterface) { |
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int err = mEmailInterface->getMailboxById(mMailboxId, box); |
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385 |
if (err) { |
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//By specification return and wait another event |
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387 |
return false; |
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388 |
} |
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389 |
} |
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390 |
if (box) { |
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mAccountName = box->name(); |
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delete box; |
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box = NULL; |
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emit accountNameChanged(mAccountName); |
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395 |
} |
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396 |
return true; |
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397 |
} |
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398 |
|
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399 |
/*! |
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400 |
suspend slot. |
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401 |
\post engine will not emit signals or refresh its data during suspension. |
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402 |
*/ |
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403 |
void NmHsWidgetEmailEngine::suspend() |
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404 |
{ |
43 | 405 |
NM_FUNCTION; |
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mSuspended = true; |
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407 |
} |
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408 |
|
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409 |
/*! |
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410 |
activate slot. |
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411 |
\post Engine will immediately refresh all the data that has been announced to |
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412 |
have changed during the suspension. Events are enabled. |
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413 |
*/ |
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414 |
void NmHsWidgetEmailEngine::activate() |
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{ |
43 | 416 |
NM_FUNCTION; |
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mSuspended = false; |
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if (mAccountEventReceivedWhenSuspended) { |
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mAccountEventReceivedWhenSuspended = false; |
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updateAccount(); |
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} |
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if (mMessageEventReceivedWhenSuspended) { |
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mMessageEventReceivedWhenSuspended = false; |
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updateData(); |
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} |
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426 |
} |
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427 |
|
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428 |
/*! |
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|
429 |
launchMailAppInboxView slot. |
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430 |
\post Mail application is launched to inbox view corresponding widget's mailbox id |
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431 |
*/ |
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432 |
void NmHsWidgetEmailEngine::launchMailAppInboxView() |
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|
433 |
{ |
43 | 434 |
NM_FUNCTION; |
68 | 435 |
NM_TIMESTAMP("Launch mail application from widget."); |
436 |
||
437 |
QT_TRY{ |
|
49 | 438 |
if (!mAiwRequest) { |
439 |
XQApplicationManager appManager; |
|
440 |
mAiwRequest = appManager.create( |
|
441 |
XQI_EMAIL_INBOX_VIEW, XQOP_EMAIL_INBOX_VIEW, |
|
442 |
false); |
|
68 | 443 |
|
49 | 444 |
if (mAiwRequest) { |
68 | 445 |
connect(mAiwRequest, SIGNAL( requestError(int, const QString&) ), |
49 | 446 |
this, SLOT( aiwRequestError(int, const QString&) )); |
68 | 447 |
connect(mAiwRequest, SIGNAL( requestOk(const QVariant&) ), |
49 | 448 |
this, SLOT( aiwRequestOk(const QVariant&) )); |
449 |
QList<QVariant> list; |
|
450 |
list.append(QVariant(mMailboxId.id())); |
|
68 | 451 |
|
49 | 452 |
mAiwRequest->setSynchronous(false); |
453 |
mAiwRequest->setArguments(list); |
|
454 |
mAiwRequest->send(); |
|
455 |
} |
|
47 | 456 |
} |
457 |
} |
|
458 |
QT_CATCH(...){ |
|
459 |
// no actions taken. |
|
460 |
// try-catch mechanism added to avoid crashing widget, in case XQAiwRequest |
|
461 |
// creation raise exception. |
|
44 | 462 |
} |
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463 |
} |
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|
464 |
|
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|
465 |
/*! |
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466 |
launchMailAppMailViewer slot. |
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467 |
\param messageId Defines the message opened to viewer |
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468 |
\post Mail application is launched and viewing mail specified by |
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469 |
*/ |
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470 |
void NmHsWidgetEmailEngine::launchMailAppMailViewer(const NmId &messageId) |
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471 |
{ |
43 | 472 |
NM_FUNCTION; |
68 | 473 |
NM_TIMESTAMP("Launch mail viewer from widget."); |
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|
474 |
|
47 | 475 |
QT_TRY{ |
49 | 476 |
if (!mAiwRequest) { |
477 |
XQApplicationManager appManager; |
|
478 |
mAiwRequest = appManager.create( |
|
68 | 479 |
XQI_EMAIL_MESSAGE_VIEW, "viewMessage(QVariant,QVariant)", |
480 |
//XQOP_EMAIL_MESSAGE_VIEW, |
|
49 | 481 |
false); |
68 | 482 |
|
49 | 483 |
if (mAiwRequest) { |
68 | 484 |
connect(mAiwRequest, SIGNAL( requestError(int, const QString&) ), |
49 | 485 |
this, SLOT( aiwRequestError(int, const QString&) )); |
68 | 486 |
connect(mAiwRequest, SIGNAL( requestOk(const QVariant&) ), |
49 | 487 |
this, SLOT( aiwRequestOk(const QVariant&) )); |
66 | 488 |
|
68 | 489 |
QVariantList messageIdList; |
490 |
messageIdList.append(mMailboxId.id()); |
|
491 |
messageIdList.append(mFolderId.id()); |
|
492 |
messageIdList.append(messageId.id()); |
|
493 |
||
66 | 494 |
QList<QVariant> argList; |
68 | 495 |
argList.append(QVariant(messageIdList)); |
496 |
argList.append(quint64(EmailBackReturnsToMessageList)); |
|
497 |
||
49 | 498 |
mAiwRequest->setSynchronous(false); |
66 | 499 |
mAiwRequest->setArguments(argList); |
49 | 500 |
mAiwRequest->send(); |
501 |
} |
|
47 | 502 |
} |
503 |
} |
|
504 |
QT_CATCH(...){ |
|
505 |
// no actions taken. |
|
506 |
// try-catch mechanism added to avoid crashing widget, in case XQAiwRequest |
|
507 |
// creation raise exception. |
|
44 | 508 |
} |
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|
509 |
} |
49 | 510 |
|
511 |
/*! |
|
512 |
aiwRequestOk slot. |
|
513 |
*/ |
|
514 |
void NmHsWidgetEmailEngine::aiwRequestOk(const QVariant& result) |
|
515 |
{ |
|
516 |
NM_FUNCTION; |
|
517 |
||
518 |
Q_UNUSED(result); |
|
68 | 519 |
|
49 | 520 |
deleteAiwRequest(); |
521 |
} |
|
522 |
||
523 |
/*! |
|
524 |
aiwRequestError slot. |
|
525 |
*/ |
|
526 |
void NmHsWidgetEmailEngine::aiwRequestError(int errorCode, const QString& errorMessage) |
|
527 |
{ |
|
528 |
NM_FUNCTION; |
|
529 |
||
530 |
Q_UNUSED(errorCode); |
|
531 |
Q_UNUSED(errorMessage); |
|
68 | 532 |
|
49 | 533 |
deleteAiwRequest(); |
534 |
} |
|
535 |
||
536 |
/*! |
|
537 |
deleteAiwRequest function. |
|
538 |
*/ |
|
539 |
void NmHsWidgetEmailEngine::deleteAiwRequest() |
|
540 |
{ |
|
541 |
NM_FUNCTION; |
|
542 |
||
543 |
delete mAiwRequest; |
|
68 | 544 |
mAiwRequest = NULL; |
49 | 545 |
} |
546 |