/*

* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  General definitions

*

*/

#ifndef M2GGENERAL_H

#define M2GGENERAL_H

#include <e32base.h>

#include <jutils.h>

#include <swtfunctor.h>

#if defined ( _DEBUG )

#if defined ( __WINSCW__ )

// #define M2G_DEBUG

#endif // __WINSCW__

#endif  // _DEBUG

#ifdef M2G_DEBUG

// #define M2G_INFO_POPUP

#define M2G_STATISTIC_DEBUG

#include <flogger.h>

#include <jdebug.h>

#ifdef M2G_STATISTIC_DEBUG

#include <HAL.h>

#include <hal_data.h>

#endif // M2G_STATISTIC_DEBUG

#endif // M2G_DEBUG

#include "JcfAutoPtr.h"// cfcommon::auto_ptr<>

#include "M2GNamespace.h"

//#if defined( __cplusplus )

//extern "C" {

//#endif

M2G_NS_START

// CONSTANTS

// == ALPHA BLEND CONSTANTS ==

const TUint8 KFullOpaque = 0xFF;

const TUint8 KFullTransparent = 0x00;

// == ERROR TEXT CONSTANTS ==

_LIT8(KM2GEmptyString8, "");

_LIT(KM2GEmptyString, "");

_LIT(KGraphicsContextErrText, "Invalid M2G graphics context");

_LIT(KOffscreenErrText, "Invalid M2G offscreen bitmap");

_LIT(KSvgProxyPointerErrText, "Invalid SVG proxy pointer");

_LIT(KSvgEnginePointerErrText, "Invalid SVG engine pointer");

_LIT(KSvgTargetGraphicsPointerErrText, "Invalid target graphics pointer");

_LIT(KNotSupportedErrText, "Not supported");

// == ERROR CODE CONSTANTS ==

const TInt KM2GOk = KErrNone;

const TInt KM2GNotOk = KErrGeneral;

const TInt KM2GHandleNotOk = KErrBadHandle;

const TInt KM2GArgNotOk = KErrArgument;

const TInt KM2GSupportedNotOk = KErrNotSupported;

const TInt KM2GMemoryNotOk = KErrNoMemory;

// Own error codes

const TInt KM2GIOException = -10;

// Java exception class names

_LIT8(KJavaExceptionClass, "java/lang/Exception");

_LIT8(KJavaIOExceptionClass, "java/io/IOException");

_LIT8(KJavaOutOfMemoryErrorClass, "java/lang/OutOfMemoryError");

_LIT8(KJavaNullPointerException, "java/lang/NullPointerException");

// == SVG CONSTANTS ==

const TInt KM2GRestartAttribute = 114; // M2GSVGConstants.AT_RESTART

const TInt KM2GRestartNever = 471; // M2GSVGConstants.RESTART_NEVER

const TInt KM2GRestartWhenNotActive = 472; // M2GSVGConstants.RESTART_WHENNOTACTIVE

// == HANDLE MACROS ==

#define M2G_INVALID_HANDLE /**/ 0

// FORWARD DECLARATIONS

class RWriteStream;

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

 * General static methods

 * @lib -

 * @series Series S60 3.0

 */

class M2GGeneral

{

public: // STATIC METHODS

    /**

     * Check if a handle is valid

     * @since Series S60 3.0

     * @param aHandle

     * @return ETrue if a handle is valid.

     */

    template<typename T>

    inline static TBool IsHandleValid(const T& aHandle)

    {

        return ((aHandle == M2G_INVALID_HANDLE) ? EFalse : ETrue);

    }

    /**

     * Returns min

     * @since Series S60 3.0

     * @param a Left parameter

     * @param b Right parameter

     * @return Returns min

     */

    template<typename T>

    inline static T Min(const T& a, const T& b)

    {

        return ((a) <= (b) ? (a) : (b));

    }

    /**

     * Returns max

     * @since Series S60 3.0

     * @param a Left parameter

     * @param b Right parameter

     * @return Returns max

     */

    template<typename T>

    inline static T Max(const T& a, const T& b)

    {

        return ((a) >= (b) ? (a) : (b));

    }

    /**

     * Instantiates an Java exception object with the message specified by

     * message, and causes that exception to be thrown in Java side. A thrown

     * exception will be pending in the current thread, but does not

     * immediately disrupt native code execution.

     * @param aEnv pointer to JNI environment

     * @param aName The name of a java.lang.Throwable class.

     * @param aMsg The message used to construct the java.lang.Throwable object.

     */

    static void RaiseException(

        JNIEnv* aEnv,

        const TDesC8& aName,

        const TUint8* aMsg = (STATIC_CAST(const TDesC8&, KM2GEmptyString8)).Ptr());

    /**

     * Instantiates an Java exception object specified by error code,

     * and causes that exception to be thrown in Java side.

     * @param aEnv pointer to JNI environment

     * @param aErrorCode Error code.

     * @return Value passed in is returned if not an error.

     */

    static TInt CheckErrorCode(JNIEnv* aEnv, TInt aErrorCode);

    /**

     * If handle is invalid instantiates an Java exception object,

     * and causes that exception to be thrown in Java side.

     * @param aEnv pointer to JNI environment

     * @param aHandle Handle.

     * @return Handle passed in is returned if it is not invalid.

     */

    static TInt CheckHandle(JNIEnv* aEnv, TInt aHandle);

    /**

     * If handle is invalid or error code matches instantiates an

     * Java exception object, and causes that exception to be thrown in Java side.

     * @param aEnv pointer to JNI environment

     * @param aErrorCode

     * @param aHandle Handle.

     * @param aErrorResult Result that is returned if error.

     * @return Handle passed in is returned if no error otherwise the

     * .aErrorResult is returned.

     */

    static TInt CheckErrorCodeAndHandle(

        JNIEnv* aEnv, TInt aErrorCode, TInt aHandle, TInt aErrorResult);

    /**

     * Shows pop up dialog on the emulator

     * @since Series S60 3.1

     * @param aLine1

     * @param aLine2

    */

#ifdef M2G_INFO_POPUP

    static void PopupInfo(

        const TDesC& aLine1,

        const TDesC& aLine2);

#endif // M2G_INFO_POPUP

    /**

    * Data array wrapper.

    * @series Series S60 3.1

    */

    template <typename T>

    class TDataArrayPtr

    {

    public: // METHODS

        /**

         * Ctor

         */

        TDataArrayPtr(T* aData = 0, TInt aSize = 0) : iData(aData), iSize(aSize) {}

        /**

         * Return pointer to a data

         * @return Pointer

         */

        inline T* Begin()

        {

            return iData;

        }

        /**

         * Check if data is valid

         * @return ETrue if ok

         */

        inline TBool IsValid()

        {

            return (((iData != NULL) && (iSize > 0)) ? ETrue : EFalse);

        }

        /**

         * Return data size

         * @return Length

         */

        inline TInt Length()

        {

            return iSize;

        }

        /**

         * Operator [] const

         */

        inline const T& operator[](TInt aIndex) const

        {

            return iData[ aIndex ];

        }

        /**

         * Operator []

         */

        inline T& operator[](TInt aIndex)

        {

            return iData[ aIndex ];

        }

    private: // METHODS

        /**

         * Copy ctor

         * @param aRhs Right side array

         */

        TDataArrayPtr(const TDataArrayPtr& aRhs);

        /**

         * Assignment operator

         * @param aRhs Right side array

         * @return Array object

         */

        TDataArrayPtr& operator=(const TDataArrayPtr& aRhs);

    public: // VARIABLES

        T* iData;

        TInt iSize;

    };

    /**

     * Statistic info

     * @series Series S60 3.1

     */

#ifdef M2G_STATISTIC_DEBUG

    class TM2GStatistic

    {

    public: // METHODS

        /**

         * Ctor

         */

        TM2GStatistic();

        /**

         * Reset

         */

        void Reset();

        /**

         * Print

         * @param aPrintElapsedTime Print also en elapsed time

         */

        void Print(TBool aPrintElapsedTime = EFalse);

        /**

         * Print

         * @param aStream

         */

        void Print(RWriteStream& aStream);

    public: // STATIC METHODS

        static void Log();

    private: // METHODS

        /**

         * Copy ctor

         */

        TM2GStatistic(const TM2GStatistic&);

        /**

         * Assignment operator

         */

        TM2GStatistic& operator=(const TM2GStatistic&);

    private: // VARIABLES

        TTime iStartTime;

        TTime iEndTime;

        TThreadId iId;

        TName iThreadName;

    };

#endif // M2G_STATISTIC_DEBUG

private: // METHODS

    /**

     * Default constructor

     */

    M2GGeneral() {};

    /**

     * Copy constructor

     */

    M2GGeneral(const M2GGeneral&);

    /**

     * Assignment operator

     */

    M2GGeneral& operator=(const M2GGeneral&);

};

template<class A1>

class _TSwtM2gMethodWrapper1 : public MSwtFunctor

{

public:

    typedef void (*TMethod)(A1);

    inline _TSwtM2gMethodWrapper1(TMethod aMethod, A1 aArg1)

            : iMethod(aMethod),

            iArg1(aArg1)

    {}

    void operator()() const

    {

        (*iMethod)(iArg1);

    }

private:

    const TMethod iMethod;

    A1           iArg1;

};

template<class A1>

class TSwtM2gMethodWrapper1 : public MSwtFunctor

{

public:

    typedef void (*TMethod)(A1*);

    inline TSwtM2gMethodWrapper1(TMethod aMethod, A1* aArg1)

            : iMethod(aMethod),

            iArg1(aArg1)

    {}

    void operator()() const

    {

        (*iMethod)(iArg1);

    }

private:

    const TMethod iMethod;

    A1*           iArg1;

};

template<class A1,class A2>

class TSwtM2gMethodWrapper2 : public MSwtFunctor

{

public:

    typedef void (*TMethod)(A1*,A2*);

    inline TSwtM2gMethodWrapper2(TMethod aMethod, A1* aArg1,A2* aArg2)

            : iMethod(aMethod),

            iArg1(aArg1),

            iArg2(aArg2)

    {}

    void operator()() const

    {

        (*iMethod)(iArg1,iArg2);

    }

private:

    const TMethod iMethod;

    A1*           iArg1;

    A2*           iArg2;

};

// MACROS

// == TOOL MACROS ==

#define M2G_MIN( a, b ) ( ( a ) <= ( b ) ? ( a ) : ( b ) )

#define M2G_MAX( a, b ) ( ( a ) >= ( b ) ? ( a ) : ( b ) )

// == SWITCHES ==

#define M2G_NO_EXCEPTION_SWITCH

// #define M2G_NO_NULL_POINTER_EXCEPTION_SWITCH

#if defined( M2G_DEBUG )

#define M2G_TRACE

#endif

// == EXCEPTION MACROS ==

// Common exception handling

#ifndef M2G_NO_EXCEPTION_SWITCH

#define M2G_THROW( ERR_CODE ) /**/ User::Leave( ( ERR_CODE ) )

#define M2G_THROW2( ERR_TEXT, ERR_CODE ) /**/ M2G_DEBUG_0( ERR_TEXT ); User::Leave( ( ERR_CODE ) )

#else

#define M2G_THROW( ERR_CODE ) /**/

#define M2G_THROW2( ERR_TEXT, ERR_CODE ) /**/

#endif // !M2G_NO_EXCEPTION_SWITCH

// Null pointer exception handling

#ifndef M2G_NO_NULL_POINTER_EXCEPTION_SWITCH

#define M2G_CHECK_NULL_POINTER( JNI, POINTER ) /**/ M2GGeneral::CheckHandle( ( JNI, POINTER ) )

#else

#define M2G_CHECK_NULL_POINTER( JNI, POINTER ) /**/

#endif // !M2G_NO_NULL_POINTER_EXCEPTION_SWITCH

// == STATIC LOG MACROS ==

#if defined( M2G_STATISTIC_DEBUG )

#define M2G_STATISTIC_LOG /**/ M2GGeneral::TM2GStatistic::Log()

#else // M2G_STATISTIC_DEBUG

#define M2G_STATISTIC_LOG /**/

#endif // !M2G_STATISTIC_DEBUG

// == POPUP MACROS ==

#if defined( M2G_INFO_POPUP )

#define M2G_POPUP( LINE1, LINE2 ) /**/ M2GGeneral::PopupInfo( LINE1, LINE2 );

#else // !M2G_INFO_POPUP

#define M2G_POPUP( LINE1, LINE2 ) /**/

#endif // M2G_INFO_POPUP

// == TRACE MACROS ==

#if defined( M2G_TRACE )

#define M2G_DEBUG_0( TEXT ) /**/ \

        RFileLogger::Write( KLogDirectory, KLogFileName, EFileLoggingModeAppend, _L( TEXT ) )

#define M2G_DEBUG_1( TEXT, VAL1 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1 )

#define M2G_DEBUG_2( TEXT, VAL1, VAL2 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2 )

#define M2G_DEBUG_3( TEXT, VAL1, VAL2, VAL3 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2, VAL3 )

#define M2G_DEBUG_4( TEXT, VAL1, VAL2, VAL3, VAL4 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2, VAL3, VAL4 )

#define M2G_DEBUG_5( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2, VAL3, VAL4, VAL5 )

#define M2G_DEBUG_6( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5, VAL6 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2, VAL3, VAL4, VAL5, VAL6 )

#define M2G_DEBUG_7( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5, VAL6, VAL7 ) /**/ \

        RFileLogger::WriteFormat( KLogDirectory, KLogFileName, EFileLoggingModeAppend, /**/ \

        _L( TEXT ), VAL1, VAL2, VAL3, VAL4, VAL5, VAL6, VAL7 )

#else // !M2G_TRACE

#define M2G_POPUP( LINE1, LINE2 ) /**/

#define M2G_DEBUG_0( TEXT ) /**/

#define M2G_DEBUG_1( TEXT, VAL1 ) /**/

#define M2G_DEBUG_2( TEXT, VAL1, VAL2 ) /**/

#define M2G_DEBUG_3( TEXT, VAL1, VAL2, VAL3 ) /**/

#define M2G_DEBUG_4( TEXT, VAL1, VAL2, VAL3, VAL4 ) /**/

#define M2G_DEBUG_5( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5 ) /**/

#define M2G_DEBUG_6( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5, VAL6 ) /**/

#define M2G_DEBUG_7( TEXT, VAL1, VAL2, VAL3, VAL4, VAL5, VAL6, VAL7 ) /**/

#endif // M2G_TRACE

// DATA TYPES

typedef TInt TM2GSvgEngineHandle;

typedef TInt TM2GSvgDocumentHandle;

typedef TInt TM2GSvgElementHandle;

typedef TInt TM2GBitmapHandle;

typedef TInt TM2GSvgPathHandle;

typedef TInt16 TM2GSvgAttrType;

typedef TUint8 TM2GPixelComponent;

typedef TFixedArray<TInt, 3> TM2GColorData;

typedef TFixedArray<TReal32, 6> TM2GMatrixData;

typedef M2GGeneral::TDataArrayPtr<TReal32> TM2GMatrixData2;

typedef TFixedArray<TReal32, 4> TM2GRectData;

typedef TFixedArray<TReal32, 4> TM2GScreenBBoxData;

typedef TFixedArray<TReal32, 6> TM2GPathCurveData;

M2G_NS_END

//#if defined( __cplusplus )

//} // extern "C"

//#endif

#endif // M2GGENERAL_H