mobilemessaging/unieditor/application/inc/UniEditorOperation.h
branchRCL_3
changeset 27 7fdbb852d323
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26:ebe688cedc25 27:7fdbb852d323
       
     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:   CUniEditorOperation  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef __UNIEDITOROPERATION_H
       
    21 #define __UNIEDITOROPERATION_H
       
    22 
       
    23 // INCLUDES
       
    24 
       
    25 #include <e32base.h>
       
    26 #include <f32file.h>
       
    27 
       
    28 #include "UniEditorDocument.h"
       
    29 
       
    30 // CONSTANTS
       
    31 
       
    32 // MACROS
       
    33 
       
    34 // FORWARD DECLARATIONS
       
    35 
       
    36 // DATA TYPES
       
    37 
       
    38 enum TUniEditorOperationType
       
    39     {
       
    40     EUniEditorOperationChangeSlide,
       
    41     EUniEditorOperationInsert,
       
    42     EUniEditorOperationLaunch,
       
    43     EUniEditorOperationPreview,
       
    44     EUniEditorOperationSave,
       
    45     EUniEditorOperationProcessImage,
       
    46     EUniEditorOperationSend,
       
    47     EUniEditorOperationSendUi,
       
    48     EUniEditorOperationSetSender,
       
    49     EUniEditorOperationVCard,
       
    50     EUniEditorOperationConvertVideo,
       
    51     EUniEditorOperationProcessText
       
    52     };
       
    53 
       
    54 enum TUniEditorOperationEvent
       
    55     {
       
    56     EUniEditorOperationProcessing,
       
    57     EUniEditorOperationPartialComplete,
       
    58     EUniEditorOperationComplete,
       
    59     EUniEditorOperationError,
       
    60     // Cancel is called for active operation
       
    61     EUniEditorOperationCancel
       
    62     };
       
    63 
       
    64 enum TUniEditorOperationQuery
       
    65     {
       
    66     EMEOQueryGuidedInsertLarge,
       
    67     EMEOQueryGuidedObject
       
    68     };
       
    69 
       
    70 enum TUniEditorOperationErrors
       
    71     {
       
    72     EUniInsertUserGuidedAbort = 1,
       
    73     EUniInsertTooBig,
       
    74     EUniInsertNotSupported,
       
    75     EUniInsertSlideChangeFailed,
       
    76     KUniLaunchAbortPresRestricted,
       
    77     KUniLaunchPresGuided,
       
    78     EUniProcessImgOutOfMemory,
       
    79     EUniProcessImgOutOfDisk,
       
    80     EUniProcessImgNotFound,
       
    81     EUniProcessImgNonConformant,
       
    82     EUniProcessImgCorrupted,
       
    83     EUniProcessImgUserAbort,
       
    84     EUniProcessImgCouldNotScale,
       
    85     EUniProcessImgScalingFailed,
       
    86     EUniProcessImgCompressFailed,
       
    87     EUniProcessImgCompressSuccessful, 
       
    88     EUniConvertVidOutOfMemory,
       
    89     EUniConvertVidOutOfDisk,
       
    90     EUniConvertVidNotFound,
       
    91     EUniConvertVidNonConformant,
       
    92     EUniConvertVidCorrupted,
       
    93     EUniConvertVidUserAbort,
       
    94     EUniConvertVidFailed,
       
    95     EUniConvertVidSuccessful, 
       
    96     EUniSendUiForbidden,
       
    97     EUniSendUiCorrupted,
       
    98     EUniSendUiUnsupported,
       
    99     EUniSendUiTooBig,
       
   100     EUniEditorExit  // when RunL in CMmsEditorLaunchOperation fails
       
   101     };
       
   102 
       
   103 
       
   104 
       
   105 // FUNCTION PROTOTYPES
       
   106 
       
   107 // CLASS DECLARATION
       
   108 
       
   109 class MUniEditorOperationObserver
       
   110     {
       
   111     public:
       
   112     
       
   113         /**
       
   114         * Notifies operation event
       
   115         */
       
   116         virtual void EditorOperationEvent( TUniEditorOperationType aOperation,
       
   117                                            TUniEditorOperationEvent aEvent ) = 0;
       
   118         
       
   119         /**
       
   120         * Notifies operation query event.
       
   121         */                                 
       
   122         virtual TBool EditorOperationQuery( TUniEditorOperationType aOperation,
       
   123                                             TUniEditorOperationQuery aQuery ) = 0;
       
   124     };
       
   125 
       
   126 /**
       
   127 * CUniEditorOperation
       
   128 *
       
   129 * @since 3.2
       
   130 */
       
   131 class CUniEditorOperation : public CActive,
       
   132                             public MUniEditorOperationObserver
       
   133     {
       
   134     public:  // New methods
       
   135 
       
   136         /**
       
   137         * Destructor
       
   138         */
       
   139         virtual ~CUniEditorOperation();
       
   140 
       
   141         /**
       
   142         * Returns error code array
       
   143         * @return Array of error codes
       
   144         */
       
   145         virtual CArrayFixFlat<TInt>* GetErrors();
       
   146 
       
   147     protected: // From base classes
       
   148     
       
   149         /**
       
   150         * From CActive
       
   151         */
       
   152         TInt RunError( TInt aError );
       
   153 
       
   154         /**
       
   155         * From CActive.
       
   156         */
       
   157         void DoCancel();
       
   158     
       
   159     protected: // New methods
       
   160 
       
   161         /**
       
   162         * Constructor.
       
   163         */
       
   164         CUniEditorOperation( MUniEditorOperationObserver& aObserver,
       
   165                              CUniEditorDocument& aDocument,
       
   166                              RFs& aFs,
       
   167                              TUniEditorOperationType aOperationType );
       
   168 
       
   169         /**
       
   170         * 2nd phase constructor.
       
   171         */
       
   172         void BaseConstructL();
       
   173 
       
   174         /**
       
   175         * CompleteSelf
       
   176         */
       
   177         void CompleteSelf( TInt aError );
       
   178 
       
   179         /**
       
   180         * Set error code to error code array
       
   181         *
       
   182         * @param TInt error code
       
   183         */
       
   184         void SetError( TInt aError );
       
   185 
       
   186         /**
       
   187         * Resets error code array
       
   188         */
       
   189         void ResetErrors();
       
   190         
       
   191         /**
       
   192         * 1) Saves the error status into error code array, if aError != KErrNone. 
       
   193         * 2) reports the observer of the error
       
   194         * 3) returns the error code. 
       
   195         * @return 0, operation can be continued
       
   196         *         otherwise, error status of CActive operation
       
   197         * 
       
   198         */
       
   199         TInt SetErrorAndReport( TInt aError );
       
   200 
       
   201         /**
       
   202         * Writes into trace log current operation and state
       
   203         */
       
   204         void PrintOperationAndState();
       
   205         
       
   206         /**
       
   207         * Sets operation pending.
       
   208         */
       
   209         void SetPending();
       
   210         
       
   211         /**
       
   212         * Completes operation
       
   213         */
       
   214         void CompleteOperation( TInt aError );
       
   215         
       
   216         /**
       
   217         * Implements cancellation of an outstanding operations.
       
   218 	    *
       
   219 	    * This function is called as part of the UniEditor operation cancelling.
       
   220 	    *
       
   221 	    * It must call the appropriate cancel function offered by the active object's 
       
   222 	    * asynchronous service provider. Also open resource handles should be closed.
       
   223         *	
       
   224 	    * DoCancelCleanup() must not wait for event completion; this is handled by Cancel().
       
   225 	    *
       
   226 	    * @see CActive::DoCancel
       
   227         */ 
       
   228         virtual void DoCancelCleanup() = 0;
       
   229         
       
   230         /**
       
   231         * Notifies operation event
       
   232         * Default implementation performs cancel operation handling
       
   233         * and forwards all other events to HandleOperationEvent function.
       
   234         *
       
   235         * @see MUniEditorOperationObserver::EditorOperationEvent
       
   236         */
       
   237         void EditorOperationEvent( TUniEditorOperationType aOperation,
       
   238                                    TUniEditorOperationEvent aEvent );
       
   239         
       
   240         /**
       
   241         * Notifies operation query event.
       
   242         * Default implementation forwards the request to operation observer.
       
   243         *
       
   244         * @note Derived class can overwrite this implementation if needed.
       
   245         *
       
   246         * @see MUniEditorOperationObserver::EditorOperationQuery
       
   247         */                                 
       
   248         TBool EditorOperationQuery( TUniEditorOperationType aOperation,
       
   249                                     TUniEditorOperationQuery aQuery );
       
   250         
       
   251         /**
       
   252         * Called from EditorOperationEvent to handle operation event.
       
   253         * Default implementation only completes the operation so operation with child operations
       
   254         * must overwrite this function to perform error handling.
       
   255         *
       
   256         * @param aOperation Completed operation.
       
   257         */    
       
   258         virtual void HandleOperationEvent( TUniEditorOperationType aOperation,
       
   259                                            TUniEditorOperationEvent aEvent );
       
   260         
       
   261     protected: // data
       
   262 
       
   263         MUniEditorOperationObserver&    iObserver;
       
   264         CUniEditorDocument&             iDocument;
       
   265         RFs&                            iFs;
       
   266         CArrayFixFlat<TInt>*            iErrors;
       
   267         TUniEditorOperationType         iOperationType;
       
   268         
       
   269         TInt                            iOperationState;
       
   270     };
       
   271 
       
   272 #endif // __UNIEDITOROPERATION_H
       
   273 
       
   274 // End of file
       
   275