/*

    File:       AppleEventHandler.c

    Contains:   xxx put contents here xxx

    Version:    xxx put version here xxx

    Copyright:  © 1999 by Apple Computer, Inc., all rights reserved.

    File Ownership:

        DRI:                xxx put dri here xxx

        Other Contact:      xxx put other contact here xxx

        Technology:         xxx put technology here xxx

    Writers:

        (BWS)   Brent Schorsch

    Change History (most recent first):

       <SP1>      7/1/99    BWS     first checked in

*/

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Includes

#include <Errors.h>

#include "AppleEventHandler.h"

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Private Definitions

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Private Types

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Private Variables

static AEEventHandlerUPP    gAppleEventHandler;

static Boolean  *gQuitFlag;

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Private Functions

static OSErr AppleEventHandler(const AppleEvent *inEvent, AppleEvent *outReply, UInt32 inRefCon);

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    Public Variables

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    AppleEventsInit

void

AppleEventsInit(void)

{

    //¥ Install our AppleEvent dispatch routine

    gAppleEventHandler = NewAEEventHandlerProc(AppleEventHandler);

    AEInstallEventHandler(typeWildCard, typeWildCard, gAppleEventHandler, 0L, false);

}

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    AppleEventsShutDown

void

AppleEventsShutDown(void)

{

    AERemoveEventHandler(typeWildCard, typeWildCard, gAppleEventHandler, false);

    DisposeRoutineDescriptor(gAppleEventHandler);

}

#pragma mark -

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    AppleEventsGotRequiredParams

Boolean

AppleEventsGotRequiredParams(const AppleEvent *inEvent)

{

DescType    returnedType;

Size        actualSize;

OSErr       theErr;

    theErr = AEGetAttributePtr(inEvent, keyMissedKeywordAttr, typeWildCard, &returnedType, nil, 0,  &actualSize);

    return (errAEDescNotFound == theErr);

}

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    AppleEventsRegisterQuitFlag

void

AppleEventsRegisterQuitFlag(Boolean *inFlag)

{

    if (nil != inFlag)

        gQuitFlag = inFlag;

}

//¥ ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ    AppleEventHandler

static OSErr

AppleEventHandler(const AppleEvent *inEvent, AppleEvent *outReply, UInt32 inRefCon)

{

#pragma unused (outReply, inRefCon)

OSErr       theErr;

DescType    actualType;

Size        actualSize;

DescType    eventClass, eventID;

    theErr = AEGetAttributePtr(inEvent, keyEventClassAttr, typeType, &actualType, &eventClass, sizeof (eventClass), &actualSize);

    if (noErr != theErr)

        return (theErr);

    theErr = AEGetAttributePtr(inEvent, keyEventIDAttr, typeType, &actualType, &eventID, sizeof (eventID), &actualSize);

    if (noErr != theErr)

        return (theErr);

    if (eventClass == kCoreEventClass)

    {

        switch (eventID)

        {

            case kAEOpenApplication:

                return (errAEEventNotHandled);

                break;

            case kAEOpenDocuments:

                return (errAEEventNotHandled);

                break;

            case kAEPrintDocuments:

                return (errAEEventNotHandled);

                break;

            case kAEQuitApplication:

                if (AppleEventsGotRequiredParams(inEvent))

                {

                    if (nil != gQuitFlag)

                        *gQuitFlag ^= 1;

                    return (noErr);

                }

                else

                {

                    return (errAEParamMissed);

                }

                break;

            default:

                return (errAEHandlerNotFound);

        }       

    }

    return (noErr);

}