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//==================================================================================================

//  Includes

//==================================================================================================

//  Self Include

#include "ARStereoPanControl.h"

//==================================================================================================

//  ARStereoPanControl

//==================================================================================================

OSDefineMetaClassAndStructors(ARStereoPanControl, IOAudioControl)

bool    ARStereoPanControl::init(SInt32 inCurrentValue, SInt32 inFullLeftValue, SInt32 inCenterValue, SInt32 inFullRightValue, UInt32 inLeftChannelNumber, UInt32 inRightChannelNumber, UInt32 inChannelID, const char* inChannelName, UInt32 inControlID, UInt32 inSubType, UInt32 inUsage, OSDictionary* inProperties)

{

    bool theAnswer = false;

    //  allocate an OSNumber to hold the current value

    OSNumber* theCurrentValue = OSNumber::withNumber(inCurrentValue, sizeof(SInt32)*8);

    if(theCurrentValue != NULL)

    {

        //  initialize the super class

        theAnswer = IOAudioControl::init(kIOAudioControlTypeStereoPan, theCurrentValue, inChannelID, inChannelName, inControlID, inSubType, inUsage, inProperties);

        //  release the number since we're done with it

        theCurrentValue->release();

        //  initialize the rest of the control

        if(theAnswer)

        {

            setFullLeftValue(inFullLeftValue);

            setCenterValue(inCenterValue);

            setFullRightValue(inFullRightValue);

            setLeftChannelNumber(inLeftChannelNumber);

            setRightChannelNumber(inRightChannelNumber);

        }

    }

    return theAnswer;

}

void    ARStereoPanControl::free()

{

    IOAudioControl::free();

}

ARStereoPanControl* ARStereoPanControl::create(SInt32 inCurrentValue, SInt32 inFullLeftValue, SInt32 inCenterValue, SInt32 inFullRightValue, UInt32 inLeftChannelNumber, UInt32 inRightChannelNumber, UInt32 inChannelID, const char* inChannelName, UInt32 inControlID, UInt32 inSubType, UInt32 inUsage)

{

    ARStereoPanControl* theAnswer = new ARStereoPanControl;

    if(theAnswer != NULL)

    {

        if(!theAnswer->init(inCurrentValue, inFullLeftValue, inCenterValue, inFullRightValue, inLeftChannelNumber, inRightChannelNumber, inChannelID, inChannelName, inControlID, inSubType, inUsage, NULL))

        {

            theAnswer->release();

            theAnswer = NULL;

        }

    }

    return theAnswer;

}

SInt32  ARStereoPanControl::getFullLeftValue()

{

    return mFullLeftValue;

}

void    ARStereoPanControl::setFullLeftValue(SInt32 inFullLeftValue)

{

    mFullLeftValue = inFullLeftValue;

    setProperty(kIOAudioStereoPanControlFullLeftValueKey, inFullLeftValue, sizeof(SInt32)*8);

    sendChangeNotification(kIOAudioControlRangeChangeNotification);

}

SInt32  ARStereoPanControl::getCenterValue()

{

    return mCenterValue;

}

void    ARStereoPanControl::setCenterValue(SInt32 inCenterValue)

{

    mCenterValue = inCenterValue;

    setProperty(kIOAudioStereoPanControlCenterValueKey, inCenterValue, sizeof(SInt32)*8);

    sendChangeNotification(kIOAudioControlRangeChangeNotification);

}

SInt32  ARStereoPanControl::getFullRightValue()

{

    return mFullRightValue;

}

void    ARStereoPanControl::setFullRightValue(SInt32 inFullRightValue)

{

    mFullRightValue = inFullRightValue;

    setProperty(kIOAudioStereoPanControlFullRightValueKey, inFullRightValue, sizeof(SInt32)*8);

    sendChangeNotification(kIOAudioControlRangeChangeNotification);

}

UInt32  ARStereoPanControl::getLeftChannelNumber()

{

    return mLeftChannelNumber;

}

void    ARStereoPanControl::setLeftChannelNumber(UInt32 inLeftChannelNumber)

{

    mLeftChannelNumber = inLeftChannelNumber;

    setProperty(kIOAudioStereoPanControlLeftChannelKey, inLeftChannelNumber, sizeof(UInt32)*8);

    sendChangeNotification(kIOAudioControlRangeChangeNotification);

}

UInt32  ARStereoPanControl::getRightChannelNumber()

{

    return mRightChannelNumber;

}

void    ARStereoPanControl::setRightChannelNumber(UInt32 inRightChannelNumber)

{

    mRightChannelNumber = inRightChannelNumber;

    setProperty(kIOAudioStereoPanControlRightChannelKey, inRightChannelNumber, sizeof(SInt32)*8);

    sendChangeNotification(kIOAudioControlRangeChangeNotification);

}

IOReturn    ARStereoPanControl::validateValue(OSObject* inNewValue)

{

    IOReturn theAnswer = kIOReturnBadArgument;

    //  cast the value to a number

    OSNumber* theNumber = OSDynamicCast(OSNumber, inNewValue);

    if(theNumber != NULL)

    {

        //  convert the number into an integer

        SInt32 theNewValue = (SInt32)theNumber->unsigned32BitValue();

        //  make sure the new value is within the proper range

        if((theNewValue >= mFullLeftValue) && (theNewValue <= mFullRightValue))

        {

            theAnswer = kIOReturnSuccess;

        }

        else

        {

            theAnswer = kIOReturnError;

        }

    }

    return theAnswer;

}