1 /*

     2  * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description: 

    15  *

    16  */

    17 

    18 #ifndef NMHSWIDGETEMAILENGINE_H_

    19 #define NMHSWIDGETEMAILENGINE_H_

    20 

    21 #include <QObject>

    22 #include "nmcommon.h"

    23 

    24 class NmMessageEnvelope;

    25 class NmDataPluginFactory;

    26 class NmDataPluginInterface;

    27 class QPluginLoader;

    28 class QTimer;

    29 class XQAiwRequest;

    30 

    31 //Three seconds

    32 const int NmHsWidgetEmailEngineUpdateTimerValue = 3000;

    33 

    34 enum NmHsWidgetEmailEngineExceptionCode

    35     {

    36     NmEngineExcFailure,

    37     NmEngineExcAccountDeleted

    38     };

    39 

    40 class NmHsWidgetEmailEngine : public QObject

    41     {

    42     Q_OBJECT

    43     

    44 public:

    45     NmHsWidgetEmailEngine( const NmId& monitoredMailboxId );

    46     bool initialize(); 

    47     ~NmHsWidgetEmailEngine();

    48 

    49     int getEnvelopes(QList<NmMessageEnvelope> &list, int maxEnvelopeAmount);

    50     int unreadCount();

    51     QString accountName();

    52     void deleteAiwRequest();

    53         

    54 public slots:

    55     void handleMessageEvent( 

    56             NmMessageEvent event,

    57             const NmId &folderId,

    58             const QList<NmId> &messageIds,

    59             const NmId& mailboxId);

    60 

    61     void handleMailboxEvent(NmMailboxEvent event, const QList<NmId> &mailboxIds);

    62    

    63     //Activity control

    64     void suspend();

    65     void activate();

    66     void launchMailAppInboxView();

    67     void launchMailAppMailViewer(const NmId &messageId);

    68     void handleUpdateTimeout();

    69     

    70     void aiwRequestOk(const QVariant& result);

    71     void aiwRequestError(int errorCode, const QString& errorMessage);

    72     

    73 signals:

    74     void mailDataChanged();    

    75     void accountNameChanged(const QString& accountName);

    76     void unreadCountChanged(const int& unreadCount);

    77     void exceptionOccured(const int& err);

    78     

    79 private:

    80     bool constructNmPlugin();

    81     bool updateData(); 

    82     bool updateAccount();

    83     void resetEnvelopeList();

    84     

    85 private:

    86     NmId mMailboxId;

    87     NmId mFolderId;

    88     QString mAccountName;

    89     int mUnreadCount;

    90     QList<NmMessageEnvelope*> mEnvelopeList;

    91     NmDataPluginInterface *mEmailInterface;

    92     NmDataPluginFactory* mFactory;

    93     //suspension variables

    94     bool mAccountEventReceivedWhenSuspended;

    95     bool mMessageEventReceivedWhenSuspended;

    96     bool mSuspended; 

    97     QTimer* mUpdateTimer;

    98     XQAiwRequest* mAiwRequest;

    99     };

   100 

   101 #endif /* NMHSWIDGETEMAILENGINE_H_ */