/*************************************************************************************

#

#       aevt.c

#

#       Apple events handler.

#

#       Author(s):  Michael Marinkovich

#                   Apple Developer Technical Support

#                   marink@apple.com

#

#       Modification History: 

#

#           2/10/96     MWM     Initial coding                   

#

#       Copyright © 1992-96 Apple Computer, Inc., All Rights Reserved

#

#

#       You may incorporate this sample code into your applications without

#       restriction, though the sample code has been provided "AS IS" and the

#       responsibility for its operation is 100% yours.  However, what you are

#       not permitted to do is to redistribute the source as "DSC Sample Code"

#       after having made changes. If you're going to re-distribute the source,

#       we require that you make it clear in the source that the code was

#       descended from Apple Sample Code, but that you've made changes.

#

*************************************************************************************/

#include <AppleEvents.h>

#include <MacWindows.h>

#include "App.h"

#include "Proto.h"

extern Boolean          gDone;

AEEventHandlerUPP       gAEOpenUPP;

AEEventHandlerUPP       gAEQuitUPP;

AEEventHandlerUPP       gAEOpenDocUPP;

AEEventHandlerUPP       gAEPrintDocUPP;

//----------------------------------------------------------------------

//

//  AEInit - initialize all the core apple events

//

//

//----------------------------------------------------------------------

OSErr AEInit(void)

{   

    OSErr       err = noErr;

    gAEOpenUPP      = NewAEEventHandlerProc(DoAEOpenApp);

    gAEQuitUPP      = NewAEEventHandlerProc(DoAEQuitApp);

    gAEOpenDocUPP   = NewAEEventHandlerProc(DoAEOpenDoc);

    gAEPrintDocUPP  = NewAEEventHandlerProc(DoAEPrintDoc);

                                //  install auto Open App

    err = AEInstallEventHandler(kCoreEventClass, kAEOpenApplication, 

                                gAEOpenUPP, 0L, false );

    if (err == noErr)           // install auto Quit App

        err = AEInstallEventHandler(kCoreEventClass, kAEQuitApplication, 

                                    gAEQuitUPP, 0L, false );

    if (err == noErr)           // install auto Open Document

        err = AEInstallEventHandler(kCoreEventClass,kAEOpenDocuments,

                                    gAEOpenDocUPP,0L,false);

    if (err == noErr)           // install auto Print Document

        err = AEInstallEventHandler(kCoreEventClass,kAEPrintDocuments,

                                    gAEPrintDocUPP,0L,false);

    return err;

}

//----------------------------------------------------------------------

//

//  AERemove - remove all the allocated apple events

//

//

//----------------------------------------------------------------------

OSErr AERemove(void)

{   

    OSErr       err = noErr;

    // deallocate all the core AppleEvents and assume that they are still around 

    // since we shouldn't have removed them before now.

    err = AERemoveEventHandler(kCoreEventClass, kAEOpenApplication, gAEOpenUPP, false);

    err = AERemoveEventHandler(kCoreEventClass, kAEQuitApplication, gAEQuitUPP, false);

    err = AERemoveEventHandler(kCoreEventClass, kAEOpenDocuments, gAEOpenDocUPP, false);

    err = AERemoveEventHandler(kCoreEventClass, kAEPrintDocuments, gAEPrintDocUPP, false);

    DisposeRoutineDescriptor(gAEOpenUPP);

    DisposeRoutineDescriptor(gAEQuitUPP);

    DisposeRoutineDescriptor(gAEOpenDocUPP);

    DisposeRoutineDescriptor(gAEPrintDocUPP);

    return err;

}

//----------------------------------------------------------------------

//

//  DoAEOpenApp - called by the Finder at launch time

//

//

//----------------------------------------------------------------------

pascal OSErr DoAEOpenApp(AppleEvent *event,AppleEvent reply,long refCon)

{

    return noErr;

}

//----------------------------------------------------------------------

//

//   DoAEQuitApp -  called when the Finder asks app to quit

//

//

//----------------------------------------------------------------------

pascal OSErr DoAEQuitApp(AppleEvent *event,AppleEvent reply,long refCon)

{

    #pragma unused( event, reply, refCon )

    // set the global quit flag

    gDone = true;

    return noErr;

}

//----------------------------------------------------------------------

//

//  DoAEOpenDoc - called when the Finder asks app to open a document

//

//

//----------------------------------------------------------------------

pascal OSErr DoAEOpenDoc(AppleEvent *event,AppleEvent reply,long refCon)

{

    #pragma unused( event, reply, refCon )

    return noErr;

}

//----------------------------------------------------------------------

//

//  DoAEPrintDoc - called when the Finder asks app to print a document

//

//

//----------------------------------------------------------------------

pascal OSErr DoAEPrintDoc(AppleEvent *event,AppleEvent reply,long refCon)

{

    #pragma unused( event, reply, refCon )

    return noErr;

}

//----------------------------------------------------------------------

//

//  GotAEParams - make sure we got proper AE params for an Open 

//                Document from the Finder

//

//----------------------------------------------------------------------

OSErr GotAEParams(AppleEvent *appleEvent)

{

    OSErr           err;

    DescType        type;

    Size            size;

    err = AEGetAttributePtr(appleEvent,keyMissedKeywordAttr,

                            typeWildCard,&type,nil,0,&size);

    if (err == errAEDescNotFound)

        return(noErr);

    else

    {

        if (err == noErr)

            return(errAEEventNotHandled);

    }

    return err;

}