1 /*

     2 * Copyright (c) 2002-2006 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 *       CMmsViewerChangeSlideOperation, asynchronous operation for object saving

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 #ifndef __MMSVIEWERCHANGESLIDEOPERATION_H

    23 #define __MMSVIEWERCHANGESLIDEOPERATION_H

    24 

    25 // INCLUDES

    26 

    27 #include <e32base.h>

    28 #include <e32std.h>

    29 

    30 #include <unislideloader.h>

    31 #include "UniMmsViewerDocument.h"

    32 

    33 #include "MmsViewerOperation.h"

    34 

    35 

    36 // CONSTANTS

    37 

    38 // MACROS

    39 

    40 // FORWARD DECLARATIONS

    41 

    42 class CMmsViewerHeader;

    43 class CMsgEditorView;

    44 

    45 // DATA TYPES

    46 

    47 // FUNCTION PROTOTYPES

    48 

    49 // CLASS DECLARATION

    50 

    51 /**

    52 * CMmsViewerChangeSlideOperation, Storage for single attachment in presentation. 

    53 *

    54 * @since 2.0

    55 */

    56 class CMmsViewerChangeSlideOperation : public CMmsViewerOperation,

    57                                        public MUniSlideLoaderObserver

    58     {

    59     public:  // New methods

    60 

    61         /**

    62         * Factory method that creates this object.

    63         *

    64         * @since    3.0

    65         */

    66         CMmsViewerChangeSlideOperation(

    67             MMmsViewerOperationObserver& aOperationObserver,

    68             CMmsViewerDocument& aDocument,

    69             CMmsViewerHeader& aHeader,

    70             CUniSlideLoader& aSlideLoader,

    71             CMsgEditorView& aView,

    72             RFs& aFs );

    73 

    74         /**

    75         * Destructor

    76         *

    77         * @since    3.0

    78         */

    79         virtual ~CMmsViewerChangeSlideOperation();

    80 

    81         /**

    82         *

    83         */

    84         void ChangeSlide( TInt aNextNum );

    85 

    86         /** 

    87         * Reloads control

    88         */

    89         void ReLoadControlL( CMsgMediaControl* aControl, CUniObject* aObject );

    90 

    91     private:

    92 

    93         /**

    94         * From MMms/UniSlideLoaderObserver

    95         */

    96         void SlideLoadReady( TInt aError );

    97 

    98         /**

    99         * From CActive

   100         */

   101         void DoCancel();

   102 

   103         /**

   104         * From CActive

   105         */

   106         void RunL();

   107     

   108         /**

   109         * From CActive

   110         */

   111         TInt RunError( TInt aError );

   112 

   113         /**

   114         *

   115         */

   116         void DoChangeSlideStepL();

   117 

   118         /**

   119         *

   120         */

   121         void DoResetViewL();

   122 

   123         /**

   124         *

   125         */

   126         void DoLoadL();

   127 

   128         /**

   129         *

   130         */

   131         void DoFinalizeL();

   132 

   133     protected: 

   134        

   135         /**

   136         * 2nd phase constructor.

   137         *

   138         * @since    2.0

   139         */

   140         void ConstructL();

   141 

   142     protected: // data

   143 

   144         enum TMmsViewerChangeSlideState

   145             {

   146             EMmsViewerChangeSlideResetView,

   147             EMmsViewerChangeSlideLoad,

   148             EMmsViewerChangeSlideFinalize,

   149             EMmsViewerChangeSlideEnd

   150             };

   151 

   152         CMmsViewerHeader&           iHeader;

   153         CUniSlideLoader&            iSlideLoader;

   154         CMsgEditorView&             iView;

   155         TInt                        iNextNum;

   156 

   157         TMmsViewerChangeSlideState  iChangeSlideState;

   158     };

   159 

   160 #endif // __MMSVIEWERCHANGESLIDEOPERATION_H