/*+
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* Copyright (c) 2002 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:  Shared data definitions+
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*+
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*/+
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+
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+
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#ifndef OCRSHAREDATA_H+
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#define OCRSHAREDATA_H+
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+
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// INCLUDES FILES+
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#include <ocrcommon.h>+
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+
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// DATA TYPES+
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+
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/** Request definitions between main thread and child thread */+
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enum TEngineCmd+
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    {+
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    ECmdInvalid = 0,                    // Invalid  +
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    ECmdLayout,                         // Layout+
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    ECmdRecognize,                      // Recognize+
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    ECmdRecognizeBlock,                 // Recognize block+
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    ECmdRecognizeSpecialRegion,         // Recognize special region+
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    ECmdSetLanguage,                    // Set language +
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    ECmdGetLanguage,                    // Get language +
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    ECmdRefresh,                        // Refresh+
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    ECmdExit,                           // Exit+
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    ECmdLayoutComplete,                 // Layout complete+
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    ECmdRecognizeComplete,              // Recognize complete+
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    ECmdRecognizeBlockComplete,         // Recognize block complete+
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    ECmdRecognizeSpecialRegionComplete, // Recognize special region complete+
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    ECmdRecogProcess,                   // Recognize progress+
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    ECmdIsLanguageSupported             // Just if supporting the language+
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    };+
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+
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// FORWARD DECLARATIONS+
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class CEngineAdaptor;+
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class EngineThread;+
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+
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// CLASS DECLARATION+
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+
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/**+
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 *  Shared data between threads+
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 *+
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 *  Wrapper class for share data between main thread and child thread+
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 *+
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 *  @lib ocrsrv.lib+
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 *  @since S60 v3.1+
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 */+
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class CShareData : public CBase+
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    {+
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    friend class CEngineAdaptor;+
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    friend class EngineThread;+
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+
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public:  // Constructors and destructor+
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+
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    /**+
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    * Symbian Two-phased constructor.+
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    */+
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    static CShareData* NewL();+
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    +
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    /**+
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    * C++ Default Destructor.+
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    */+
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   virtual ~CShareData();+
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+
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public: // New functions+
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+
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    /**+
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    * Enter Share Section+
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    * @since S60 v3.1+
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    * @return None+
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    */+
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    inline void EnterShareSection();+
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+
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    /**+
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    * Leave Share Section+
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    * @since S60 v3.1+
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    * @return None+
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    */+
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    inline void LeaveShareSection();+
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    +
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private:+
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+
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    /**+
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    * C++ default constructor+
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    */+
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    CShareData();+
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+
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    /**+
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    * Default Symbian 2nd phase constructor+
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    */+
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    void ConstructL();+
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+
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private:    // Data+
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+
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    /**+
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    * Share data mutex+
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    */+
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    RMutex iShareMutex;+
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    +
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    /**+
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    * Notifier for the shared data+
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    */+
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    RSemaphore iNotifier;+
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    +
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    /**+
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    * Save active language information+
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    */+
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    RArray<TInt> iActiveLanguage;+
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    +
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    /**+
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    * Save installed language information+
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    */+
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    RArray<TInt> iInstalledLanguage;+
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+
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    /**+
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    * Command sent to child thread+
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    */+
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    TEngineCmd iCmd;+
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    +
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    /**+
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    * Command sent from child thread to main thread+
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    */+
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    TEngineCmd iCmdRet;+
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+
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    /** +
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    * Recognized first block's pointer (Own)+
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    */+
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    TOCRBlockInfo* iFirstBlock;+
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    +
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    /**+
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    * Information of selected blocks+
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    */+
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    TOCRBlockInfo* iSelectedBlocks;+
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    +
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    /**+
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    * Information of text region+
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    */+
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    TOCRTextRgnInfo* iTextRgnInfo;                                       +
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                     +
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    /**+
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    * Number of blocks recognized+
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    */                   +
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    TInt iBlockCount;+
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+
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    /**+
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    * OCR binary image (Own)+
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    */+
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    HBufC8* iBinaryImage;+
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    +
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    /**+
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    * Handle to the image+
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    */+
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    TInt iImageHandle;+
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+
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    /**+
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    * Layout setting+
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    */+
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    TOCRLayoutSetting iLayoutSettings;+
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    +
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    /**+
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    * Recognzie setting+
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    */+
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    TOCRRecognizeSetting iRecognizeSettings;+
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    +
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    /**+
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    * Layout block information+
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    */+
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    TOCRLayoutBlockInfo iLayoutInfo;+
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    +
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    /**+
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    * Region information+
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    */+
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    TRegionInfo iRegionInfo;+
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+
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    /**+
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    * Cancel flag+
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    */+
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    TBool iCanceled;+
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+
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    /**+
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    * Main thread id+
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    */+
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    TThreadId iMainThreadId;+
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+
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    /** +
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    * Percent of the progress+
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    */+
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    TUint iPercent;+
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+
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    /**+
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    * Error code from the engine+
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    */+
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    TInt iError;+
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+
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    /**+
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    * Pointer to Active object's status variable (Not Own)+
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    */+
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    TRequestStatus* iActiveStatus;+
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    +
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    /**+
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    * Pointer to normal status variable (Not Own)+
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    */+
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    TRequestStatus* iRequestStatus;+
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    +
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    /**+
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    * Name of the target dll+
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    */+
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    TFileName iTargetDll;+
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    };+
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+
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// -----------------------------------------------------------------------------+
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// CShareData::EnterShareSection+
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// Description : Enter share section+
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// -----------------------------------------------------------------------------+
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//+
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inline void CShareData::EnterShareSection()+
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    {+
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    iShareMutex.Wait();+
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    }+
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+
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// -----------------------------------------------------------------------------+
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// CShareData::LeaveShareSection+
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// Description : Leave share section+
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// -----------------------------------------------------------------------------+
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//+
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inline void CShareData::LeaveShareSection()+
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    {+
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    iShareMutex.Signal();+
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    }+
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    +
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#endif      // OCRSHAREDATA_H   +
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            +
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// End of File+
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