1 /*

     2  * Copyright (c) 2007 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:  Message Preview Handler

    15  *

    16  */

    17 

    18 #ifndef _C_CS_PREVIEW_PLUGIN_HANDLER_H_

    19 #define _C_CS_PREVIEW_PLUGIN_HANDLER_H_

    20 

    21 //SYSTEM INCLUDES

    22 #include <msvapi.h>

    23 #include <f32file.h>

    24 #include <thumbnailmanager.h>

    25 #include <thumbnailmanagerobserver.h>

    26 #include <thumbnaildata.h>

    27 #include <sqldb.h>

    28 

    29 //USER INCLUDES

    30 #include "ccspreviewplugin.h"

    31 #include "UniDataModel.h"

    32 

    33 // FORWARD DECLARATION

    34 class CCsPlugin;

    35 class CMsvSession;

    36 class MCsPluginEventObserver;

    37 class MMsvSessionObserver;

    38 class CCsConversationEntry;

    39 class CCsPreviewPlugin;

    40 class CClientMtmRegistry;

    41 class CMmsClientMtm;

    42 

    43 /*

    44  * Thumbnail Request Data

    45  */

    46 struct ThumbnailRequestData

    47     {

    48     /*

    49      * Request Id

    50      */

    51     TThumbnailRequestId iRequestId;

    52 

    53     /*

    54      * Message Id

    55      */

    56     TMsvId iMsgId;

    57     };

    58 

    59 /**

    60  *  This class interacts with MsvServer to fetch message data

    61  */

    62 class CCsPreviewPluginHandler : public CBase,

    63         public MMsvSessionObserver,

    64         public MUniDataModelObserver,

    65         public MThumbnailManagerObserver

    66     {

    67 

    68 public:

    69 

    70     /**

    71      * Two phase construction

    72      */

    73     static CCsPreviewPluginHandler* NewL(CCsPreviewPlugin *aMsgObserver);

    74 

    75     /**

    76      * Destructor

    77      */

    78     virtual ~CCsPreviewPluginHandler();

    79 

    80 public:

    81     //MMsvSessionObserver

    82     /**

    83      * Handles the MsvServer updates. Implemented for MMsvSessionObserver

    84      */

    85     void HandleSessionEventL(TMsvSessionEvent aEvent, TAny* aArg1,

    86             TAny* aArg2, TAny* aArg3);

    87 

    88 public:

    89     //MUniDataModelObserver

    90     /**

    91      */

    92     void RestoreReady(TInt aParseResult, TInt aError);

    93 

    94 public:

    95     // Callbacks from MThumbnailManagerObserver for getting thumbnails

    96     void ThumbnailPreviewReady(MThumbnailData& aThumbnail,

    97             TThumbnailRequestId aId);

    98 

    99     void ThumbnailReady(TInt aError, MThumbnailData& aThumbnail,

   100             TThumbnailRequestId aId);

   101 

   102 public:

   103 

   104     /*

   105      * Compare by request Id.

   106      */

   107     static TBool CompareByRequestId(const ThumbnailRequestData& aFirst,

   108             const ThumbnailRequestData& aSecond);

   109 

   110 private:

   111 

   112     /**

   113      * Constructor   

   114      */

   115     CCsPreviewPluginHandler();

   116 

   117     /**

   118      * 2nd phase construtor

   119      */

   120     void ConstructL(CCsPreviewPlugin *aMsgPlugin);

   121 

   122     /**

   123      * Process each entry

   124      *@param aSelection, CMsvEntrySelections

   125      */

   126     void HandleEventL(CMsvEntrySelection* aSelection);

   127 

   128     /**

   129      * Bind bodytext to sql statement.

   130      *@param sqlStmt, RSqlStatement

   131      *@param attachmentId, TMsvAttachmentId

   132      */

   133     void BindBodyText(RSqlStatement& sqlStmt, TMsvAttachmentId attachmentId);

   134 

   135     /**

   136      * Get Thumbnail data from attachment

   137      *@param attachmentId, TMsvAttachmentId

   138      *@param mimeType, 

   139      *@param msgId, message id

   140      */

   141     void GetThumbNailL(TMsvAttachmentId attachmentId, TDesC8& mimeType,

   142             TMsvId msgId);

   143 

   144     /*

   145      * Process Thumbnail data

   146      * @param aThumbnail MThumbnailData

   147      * @param aId TThumbnailRequestId

   148      */

   149     void HandleThumbnailReadyL(MThumbnailData& aThumbnail,

   150             TThumbnailRequestId aId);

   151 

   152 private:

   153     //Data

   154 

   155     /**

   156      * MsvServer session object

   157      * Own

   158      */

   159     CMsvSession* iSession;

   160 

   161     /**

   162      * iMsgObserver

   163      * The Observer interface

   164      * Not Own.

   165      */

   166     CCsPreviewPlugin *iMsgObserver;

   167 

   168     /**

   169      * Mtm registry object

   170      * Own

   171      */

   172     CClientMtmRegistry* iMtmRegistry;

   173 

   174     /**

   175      * Mms client mtm object

   176      * Own.

   177      */

   178     CMmsClientMtm* iMmsMtm;

   179 

   180     /*

   181      * File session

   182      */

   183     RFs ifsSession;

   184 

   185     /*

   186      * Thumbnail request array.

   187      * Own

   188      */

   189     RArray<ThumbnailRequestData> iThumbnailRequestArray;

   190 

   191     /*

   192      * Thumbnail manager.

   193      * Own

   194      */

   195     CThumbnailManager* iThumbnailManager;

   196 

   197     /*

   198      * Sqlite DB Handle

   199      */

   200     RSqlDatabase iSqlDb;

   201     };

   202 

   203 #endif // _C_CS_PREVIEW_PLUGIN_HANDLER_H_