/*

    File:       SVAEClose.c

    Contains:   

    Written by: Original version by Jon Lansdell and Nigel Humphreys.

                3.1 updates by Greg Sutton.

    Copyright:  Copyright © 1995-1999 by Apple Computer, Inc., All Rights Reserved.

                You may incorporate this Apple sample source code into your program(s) without

                restriction. This Apple sample source code has been provided "AS IS" and the

                responsibility for its operation is yours. You are not permitted to redistribute

                this Apple sample source code as "Apple sample source 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 source

                code, but that you've made changes.

    Change History (most recent first):

                7/20/1999   Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#include "SVAEClose.h"

#include "SVEditAEUtils.h"

#include "SVEditWindow.h"       // for DPtrFromWindowPtr()

#include "SVEditFile.h"         // for DoClose()

#pragma segment AppleEvent

pascal OSErr DoCloseWindow(const AppleEvent     *theAppleEvent,

                                AppleEvent      *reply,

                                long            handlerRefCon)

{

#pragma unused (reply, handlerRefCon)

    AEDesc          directObj = {typeNull, NULL};

    DescType        saveOpt;

    Size            actualSize;

    DescType        returnedType;

    WindowToken     aWindowToken;

    OSErr           err;

        // pick up the direct object, which is the object (window) to close or a list of windows

    err = AEGetParamDesc(theAppleEvent, keyDirectObject, typeWildCard, &directObj);

        // pick up optional save param, if any

    saveOpt = kAEAsk;   // the default

    (void)AEGetParamPtr(theAppleEvent, keyAESaveOptions, typeEnumerated, &returnedType,

                                                    (Ptr)&saveOpt, sizeof(saveOpt), &actualSize);

    err = GotRequiredParams(theAppleEvent);

    if (noErr != err) goto done;

    if (typeNull != directObj.descriptorType)

        err = CloseDesc(&directObj, saveOpt);

    else if (FrontWindow())                     // Default to front window if

    {                                           // no direct object.

        aWindowToken.tokenWindow = FrontWindow();

        err = CloseWindowToken(&aWindowToken, saveOpt);

    }

    else

        err = errAENoSuchObject;

done:

    if (directObj.dataHandle) 

        AEDisposeDesc(&directObj);

    return(err);

}   // DoCloseWindow

OSErr   CloseWindowToken(WindowToken* theToken, DescType saveOpt)

{

    WindowPtr       aWindow;

    DPtr            docPtr;

    OSErr           err;

    aWindow = theToken->tokenWindow;

    docPtr = DPtrFromWindowPtr(theToken->tokenWindow);

    if (! aWindow || ! docPtr)

        return(errAENoSuchObject);

        // Should do this in prefs

    err = AESetInteractionAllowed(kAEInteractWithAll);

    if (noErr != err) goto done;

        //  We do some of the close checks here to avoid

        //  calling AEInteractWithUser

    if ((docPtr->dirty) || (docPtr->everSaved == false)) 

        if (saveOpt != kAENo)   // Don't flip layers if force no ask

            err = AEInteractWithUser(kAEDefaultTimeout, nil, nil);

    if (noErr != err) goto done;

    err = DoClose(aWindow, true, saveOpt);

done:       

    return(err);

}

OSErr   CloseWindowDesc(AEDesc* windowDesc, DescType saveOpt)

{

    WindowToken     aWindowToken;

    Size            actualSize;

    OSErr           err;

    if (typeMyWndw != windowDesc->descriptorType)

        return(errAETypeError);

    GetRawDataFromDescriptor(windowDesc, (Ptr)&aWindowToken, sizeof(aWindowToken), &actualSize);

    err = CloseWindowToken(&aWindowToken, saveOpt);

    return(err);

}

OSErr   CloseDesc(AEDesc* aDesc, DescType saveOpt)

{

    AEDesc      closeDesc = {typeNull, NULL},

                windowDesc = {typeNull, NULL},

                itemDesc = {typeNull, NULL};

    long        itemCount,

                index;

    DescType    theAEKeyword;

    OSErr       err;

    if (typeObjectSpecifier == aDesc->descriptorType)

        err = AEResolve(aDesc, kAEIDoMinimum, &closeDesc);

    else

        err = AEDuplicateDesc(aDesc, &closeDesc);

    if (noErr != err) goto done;

    switch (closeDesc.descriptorType)

    {

        case typeAEList:

            err = AECountItems(&closeDesc, &itemCount);

            if (noErr != err) goto done;

            for (index = 1; index <= itemCount; index++)    // Do front back order

            {

                err = AEGetNthDesc(&closeDesc, index, typeWildCard, &theAEKeyword, &itemDesc);

                if (noErr != err) goto done;

                err = CloseDesc(&itemDesc, saveOpt);        // Call recursively

                if (noErr != err) goto done;

                if (itemDesc.dataHandle)

                    AEDisposeDesc(&itemDesc);

            }

            break;

        default:

            err = AECoerceDesc(&closeDesc, typeMyWndw, &windowDesc);

            if (noErr != err) goto done;

            err = CloseWindowDesc(&windowDesc, saveOpt);

    }

done:

    if (closeDesc.dataHandle)

        AEDisposeDesc(&closeDesc);

    if (windowDesc.dataHandle)

        AEDisposeDesc(&windowDesc);

    if (itemDesc.dataHandle)

        AEDisposeDesc(&itemDesc);

    return(err);

}