1 /*

     2 * Copyright (c) 2006,2007 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:   CUniEditorChangeSlideOperation, asynchronous operation for changing slide    

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __UNIEDITORCHANGESLIDEOPERATION_H

    21 #define __UNIEDITORCHANGESLIDEOPERATION_H

    22 

    23 // INCLUDES

    24 #include <unislideloader.h>

    25 

    26 #include "UniEditorOperation.h"

    27 #include "UniEditorDocument.h"

    28 #include "UniEditorSaveOperation.h"

    29 

    30 // CONSTANTS

    31 

    32 // MACROS

    33 

    34 // FORWARD DECLARATIONS

    35 

    36 class CUniEditorHeader;

    37 class CUniSlideLoader;

    38 class CMsgEditorView;

    39 

    40 // DATA TYPES

    41 

    42 // FUNCTION PROTOTYPES

    43 

    44 // CLASS DECLARATION

    45 

    46 /**

    47 * CUniEditorChangeSlideOperation, Storage for single attachment in presentation. 

    48 *

    49 * @since 3.2

    50 */

    51 class CUniEditorChangeSlideOperation : public CUniEditorOperation,

    52                                        public MUniSlideLoaderObserver

    53     {

    54     public:  // New methods

    55 

    56         /**

    57         * Factory method that creates this object.

    58         *

    59         * @since    3.2

    60         * @param    aObserver

    61         * @return   Pointer to instance in cleanup stack

    62         */

    63         static CUniEditorChangeSlideOperation* NewL( MUniEditorOperationObserver& aOperationObserver,

    64                                                      CUniEditorDocument& aDocument,

    65                                                      CUniEditorHeader& aHeader,

    66                                                      CUniSlideLoader& aSlideLoader,

    67                                                      CMsgEditorView& aView,

    68                                                      RFs& aFs );

    69 

    70         /**

    71         * Destructor

    72         */

    73         virtual ~CUniEditorChangeSlideOperation();

    74 

    75         /**

    76         * Start slide changing

    77         */

    78         void ChangeSlide( TInt aNextNum );

    79 

    80     private:

    81 

    82         /**

    83         * From MUniSlideLoaderObserver

    84         */

    85         void SlideLoadReady( TInt aError );

    86 

    87         /**

    88         * From CActive

    89         */

    90         void RunL();

    91         

    92         /**

    93         * From CUniEditorOperation

    94         */

    95         void DoCancelCleanup();

    96         

    97         /**

    98         * From CUniEditorOperation

    99         */

   100         void HandleOperationEvent( TUniEditorOperationType aOperation,

   101                                    TUniEditorOperationEvent aEvent );

   102         

   103         /**

   104         * Performs change slide step

   105         */

   106         void DoChangeSlideStepL();

   107 

   108         /**

   109         * Performs save step

   110         */

   111         void DoSaveL();

   112 

   113         /**

   114         * Performs load step

   115         */

   116         void DoLoadL();

   117 

   118         /**

   119         * Performs finalization step

   120         */

   121         void DoFinalizeL();

   122 

   123     protected: 

   124 

   125         /**

   126         * Constructor.

   127         */

   128         CUniEditorChangeSlideOperation( MUniEditorOperationObserver& aOperationObserver,

   129                                         CUniEditorDocument& aDocument,

   130                                         CUniEditorHeader& aHeader,

   131                                         CUniSlideLoader& aSlideLoader,

   132                                         CMsgEditorView& aView,

   133                                         RFs& aFs );

   134 

   135         /**

   136         * 2nd phase constructor.

   137         */

   138         void ConstructL();

   139 

   140     protected: // data

   141 

   142         enum TUniEditorChangeSlideState

   143             {

   144             EUniEditorChangeSlideSave,

   145             EUniEditorChangeSlideLoad,

   146             EUniEditorChangeSlideFinalize,

   147             EUniEditorChangeSlideEnd

   148             };

   149 

   150         CUniEditorHeader& iHeader;

   151         CUniSlideLoader& iSlideLoader;

   152         CMsgEditorView& iView;

   153         

   154         TInt iNextNum;

   155 

   156         CUniEditorSaveOperation* iSaveOperation;

   157     };

   158 

   159 #endif // __UNIEDITORCHANGESLIDEOPERATION_H