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