1 /*

     2 * Copyright (c) 2009 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 #ifndef HSACTIVITYDBASYNCREQUESTPRIVATE_H

    18 #define HSACTIVITYDBASYNCREQUESTPRIVATE_H

    19 #include <e32base.h>

    20 #include <QVariant>

    21 #include <QPixmap>

    22 #include <hsactivitydbasyncrequestobserver.h>

    23 #include <activitycmd.h>

    24 

    25 class HsActivityDbClientPrivate;

    26 

    27 /**

    28  * Class is responsible for async. request handling

    29  */

    30 class HsActivityDbAsyncRequestPrivate : public CActive

    31 

    32 {

    33 public:

    34     

    35     enum TAsyncRequest{

    36         EWaitActivity = WaitActivity,

    37         EWaitGetThumbnail = GetThumbnail,

    38         ENotifyDataChange = NotifyChange

    39     };

    40     

    41 private:

    42     static HsActivityDbAsyncRequestPrivate*

    43     NewLC(HsActivityDbAsyncRequestObserver &, 

    44           HsActivityDbClientPrivate &,

    45           TAsyncRequest,

    46           void* userData = 0);

    47     

    48 public:

    49     

    50     static void waitActivityLD(HsActivityDbAsyncRequestObserver &, 

    51                                HsActivityDbClientPrivate &,

    52                                const QVariantHash &);

    53     

    54     static void notifyDataChangeLD(HsActivityDbAsyncRequestObserver &, 

    55                                    HsActivityDbClientPrivate &);

    56     

    57     static void getThumbnailLD(HsActivityDbAsyncRequestObserver &,

    58                                HsActivityDbClientPrivate &, 

    59                                QSize, 

    60                                const QString&, 

    61                                const QString&, 

    62                                void *);

    63     

    64 

    65     /**

    66      * Destructor

    67      */

    68     ~HsActivityDbAsyncRequestPrivate();

    69 

    70 private:

    71     /**

    72      * Function create subscription to current ativity changes

    73      * @param condition - activity filetering rules

    74      */

    75     void waitActivity(const QVariantHash &condition);

    76     

    77     /**

    78      */

    79     void getThumbnail(QSize size, QString imagePath, QString  mimeType);

    80     

    81     void notifyDataChange();

    82 protected:

    83     /**

    84      * Interface implementation.

    85      * @see void CActive::DoCancel()

    86      */

    87     void DoCancel();

    88 

    89     /**

    90      * Interface implementation.

    91      * @see void CActive::DoCancel()

    92      */

    93     void RunL();

    94 private:

    95     /**

    96      * Constructor

    97      */

    98     HsActivityDbAsyncRequestPrivate(HsActivityDbAsyncRequestObserver &, 

    99                                     HsActivityDbClientPrivate &,

   100                                     TAsyncRequest,

   101                                     void* userData);

   102 private:

   103     HsActivityDbAsyncRequestObserver &mObserver;

   104     HsActivityDbClientPrivate &mSession;

   105     const TAsyncRequest mRequestType;

   106     TPckgBuf<int> mTaskId;

   107     TPckgBuf<int> mDataSize;

   108     TPckgBuf<int> mBitmapId;

   109     HBufC* mBitmapPath;

   110     HBufC8* mBitmapMimeType;

   111     RBuf8 mDataBuf;

   112     void *const mUserData;

   113 };

   114 #endif // HSACTIVITYDBCLIENTPRIVATE_H