author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:30:38 +0100 | |
branch | RCL_3 |
changeset 21 | d59c248c9d36 |
parent 0 | d11fb78c4374 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Client include file for the ImagePrint server. Contains the |
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* CImagePrint class definition, and the following interfaces: |
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* MIdleObserver, MPrinterDiscoveryObserver and MPrintEventObserver |
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* |
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*/ |
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#ifndef IMAGEPRINT_H |
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#define IMAGEPRINT_H |
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#include <e32base.h> |
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class TPrinter; |
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class TEvent; |
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_LIT( KTabChar, "\t" ); |
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_LIT( KParamFile, "\\system\\data\\T_AIW_TEMP.DAT"); |
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/// Error constant defined to indicate Invalid Sequence. |
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const TInt KErrInvalidSequence = -50; |
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/// Error constant defined to indicate Invalid Data. |
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const TInt KErrInvalidData = -51; |
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/// Error constant defined to indicate that a printer has been connected |
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const TInt KErrConnected = -500; |
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|
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/// BPP Protocol Identifier. |
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const TUint KImagePrint_PrinterProtocol_BPP = 1; |
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/// BIP Protocol Identifier. |
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const TUint KImagePrint_PrinterProtocol_BIP = 2; |
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/// OPP Protocol Identifier (Printer). |
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const TUint KImagePrint_PrinterProtocol_OPP_Printer = 4; |
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/// DPOF Protocol Identifier. |
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const TUint KImagePrint_PrinterProtocol_DPOF = 8; |
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/// PictBridge Protocol Identifier. |
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const TUint KImagePrint_PrinterProtocol_PictBridge = 16; |
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/// OPP Protocol Identifier (PC). |
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const TUint KImagePrint_PrinterProtocol_OPP_PC = 32; |
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/// UPnP Protocol Identifier |
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const TUint KImagePrint_PrinterProtocol_UPnP = 64; |
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|
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/// Enums used to specify the current state in the DiscoveryStatusL callback. |
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enum TDiscoveryStatus |
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{ |
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EDiscoverying = 0, |
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EDiscoveryFinished = 1, |
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EDiscoveryCancelling = 2 |
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}; |
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/// Enums used to specify the current state in the PrintJobProgressEvent callback. |
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enum TPrintJobProgressEventStatus |
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{ |
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EActive = 0, |
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EDone = 1 |
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}; |
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|
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/** |
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* @brief Interface to be implemented by the class using CImagePrint. It is used by CImagePrint to report anything related |
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* to the discovery process. |
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*/ |
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class MPrinterDiscoveryObserver |
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{ |
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public: |
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/** |
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* Called by Image Printer Server to notify the client application that a printer was discovered. |
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* @param aPrinterInfo Contains printer information of the discovered device. |
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*/ |
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virtual void FoundPrinterL( const TPrinter& aPrinterInfo ) = 0; |
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/** |
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* Called by Image Printer Server to notify the client application that an operation |
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* has completed, either successfully or with an error. |
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* @param aStatus Indicate the status of the discovery process. One of the values of \c ::TDiscoveryStatus |
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* @param aErrorCode \c KErrNone if there was no error, otherwise another of the system-wide error codes. |
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* @param aErrorStringCode StringCode - Descriptive text that can be used to further explain error. |
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*/ |
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virtual void DiscoveryStatusL( TInt aStatus, |
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TInt aErrorCode, |
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TInt aErrorStringCode ) = 0; |
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/** |
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* Called by Image Printer Server to notify the client application that a printer |
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* returned from the cache was not discovered during the discovery phase, |
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* and should be removed from the UI. If this call is needed, it will be made |
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* after all BPP printers have been returned, but before the discovery completes. |
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* @param aPrinterInfo Contains printer information of the printer that was not found during discovery |
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*/ |
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virtual void RemovePrinterL( const TPrinter& aPrinterInfo ) = 0; |
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}; |
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|
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/** |
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* @brief Interface to be implemented by the class using CImagePrint. It is used by CImagePrint to report anything related |
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* to the printing process, once it is started. |
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*/ |
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class MPrintEventObserver |
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{ |
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public: |
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virtual void PrintJobProgressEvent( TInt aStatus, |
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TInt aPercentCompletion, |
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TInt aJobStateCode ) = 0; |
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virtual void PrintJobErrorEvent( TInt aError, |
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TInt aErrorStringCode ) = 0; |
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virtual void PrinterStatusEvent( TInt aError, |
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TInt aErrorStringCode ) = 0; |
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virtual void PreviewImageEvent( TInt aFsBitmapHandle ) = 0; |
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virtual void ShowMessageL( TInt aMsgLine1Code, |
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TInt aMsgLine2Code ) = 0; |
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virtual TBool AskYesNoQuestionL( TInt aMsgLine1Code, |
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TInt aMsgLine2Code ) = 0; |
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virtual const TDesC& AskForInputL( TInt aMsgLine1Code, |
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TInt aMsgLine2Code ) = 0; |
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}; |
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/** |
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* @brief Interface to be implemented by the class using CImagePrint. It is used by CImagePrint to report |
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* anything related to status changes in the handling protocol. |
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* @sa CImagePrint::RegisterIdleObserver |
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*/ |
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class MIdleObserver |
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{ |
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public: |
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/** Called by CImagePrint to notify of events. The meaning of the event and associated error and mesage codes |
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* is protocol dependant. |
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*/ |
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virtual void StatusEvent( const TEvent &aEvent, |
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TInt aError, |
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TInt aMsgCode ) = 0; |
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}; |
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#endif // IMAGEPRINT_H |
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// End of File |