/*

    File:       HelloWorld.c

    Contains:   Source to a sample application which calls the FSCopyObject() engine to copy

                a file or folder to a selected destination.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

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                please do not use, install, modify or redistribute this Apple software.

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                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

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                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                expressly stated in this notice, no other rights or licenses, express or implied,

                are granted by Apple herein, including but not limited to any patent rights that

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

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                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

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                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Copyright © 2002-2004 Apple Computer, Inc., All Rights Reserved

*/

#include <stdio.h>

#include <SIOUX.h>

#include <SIOUXGlobals.h>

#include "FSCopyObject.h"

static void             TestFSCopyObject      ( DupeAction dupeAction );

static void             TestFSDeleteObjects   ( );

static OSErr            ChooseSourceAndDest   ( FSRef   *source, 

                                                FSRef   *dest );

static OSErr            ChooseObject          ( FSRef   *objectRef,

                                                Boolean getDir);

static OSErr            ExtractSingleItem     ( const NavReplyRecord    *reply,

                                                FSRef                   *item );

static pascal OSErr     MyFilterProc          ( Boolean             containerChanged,

                                                ItemCount           currentLevel,

                                                OSErr               currentOSErr,

                                                const FSCatalogInfo *catalogInfo,

                                                const FSRef         *ref,

                                                const FSSpec        *spec,

                                                const HFSUniStr255  *name,

                                                void                *yourDataPtr );

int main()

{

    EventRecord dummyEvent;

    UInt8       theChar;

    SIOUXSettings.autocloseonquit = true;

    SIOUXSettings.asktosaveonclose = false;

    SIOUXSettings.showstatusline = true;

    printf( "FSCopyObject 1.5\n\n" );

    printf( "This is a test application to demonstrate FSCopyObject and FSDeleteObjects.\n" );

    printf( "Type 'c' to run FSCopyObject with kDupeActionStandard\n" );

    printf( "Type 'R' to run FSCopyObject with kDupeActionReplace\n" );

    printf( "Type 'r' to run FSCopyObject with kDupeActionRename\n" );

    printf( "Type 'd' to run FSDeleteObjects\n\n" );

    printf( "Type 'q' to quit\n\n" );

    while( !SIOUXQuitting )

    {

        WaitNextEvent( everyEvent, &dummyEvent, 10, NULL );

        if( dummyEvent.what == keyDown )

        {

            theChar = (UInt8) (dummyEvent.message & charCodeMask);

            switch( theChar )

            {

                case    'c':

                    TestFSCopyObject( kDupeActionStandard );    break;

                case    'R':

                    TestFSCopyObject( kDupeActionReplace );     break;

                case    'r':

                    TestFSCopyObject( kDupeActionRename );      break;

                case    'd':

                    TestFSDeleteObjects();                      break;

                case    'q':

                    SIOUXQuitting = true;                       break;

            }

        }

        else

        {

            SIOUXHandleOneEvent(&dummyEvent);

        }

    }

    return 0;

}

static void TestFSCopyObject( DupeAction dupeAction)

{

    FSRef           sourceRef,

                    destRef,

                    newRef;

    FSSpec          newSpec;

    OSErr           osErr;

    /* Get the source and destination objects via Nav Services... */

    osErr = ChooseSourceAndDest( &sourceRef, &destRef );

    if( osErr == noErr )

        osErr = FSCopyObject( &sourceRef, &destRef, 0, kFSCatInfoNone, 

                              dupeAction, NULL, true, false, MyFilterProc, NULL, &newRef, &newSpec);

    printf( "%s returned: %d", __FUNCTION__, osErr );

    if( osErr == noErr )

    {   

        newSpec.name[newSpec.name[0]+1] = '\0';

        printf(", '%s'\n",  newSpec.name+1 );

    }

}

static void TestFSDeleteObjects()

{

    FSRef       fileRef;

    OSErr       osErr;

    osErr = ChooseObject( &fileRef, false );

    if( osErr == noErr )

        osErr = FSDeleteObjects( &fileRef );

    printf( "%s returned: %d\n", __FUNCTION__, osErr );

}

    /* Use Navigation Services (because I'm a good Apple employee)  */

    /* to choose a source file and a destination folder,            */

    /* and return them as FSRefs.                                   */

static OSErr ChooseSourceAndDest(FSRef *source, FSRef *dest)

{

    OSErr       osErr;

                            /* get the source               */

    osErr = ChooseObject( source, false );

    if( osErr == noErr )    /* get the destination folder   */

        osErr = ChooseObject( dest, true );

    return osErr;

}

static OSErr ChooseObject( FSRef *objectRef, Boolean getDir)

{

    NavDialogOptions    options;

    NavReplyRecord      reply;  

    OSErr               osErr;

    if( objectRef == NULL )

        return paramErr;

    osErr = (! NavServicesAvailable()) ? -1 : noErr;

    if( osErr == noErr )

        osErr = NavGetDefaultDialogOptions(&options);

    else

        printf( "Navigation Services is required\n" );

    if (osErr == noErr) {

            /* only select one object at a time */

        options.dialogOptionFlags &= ~kNavAllowMultipleFiles;

            /* if an alias or symfile is selected, return the symfile/alias itself  */

            /* also support packages                                                */

        options.dialogOptionFlags |= kNavDontResolveAliases | kNavSupportPackages;

        if( getDir )    /* caller wants a directory */

            osErr = NavChooseFolder(NULL, &reply, &options, NULL, NULL, NULL);          

        else            /* caller wants an object */

            osErr = NavChooseObject(NULL, &reply, &options, NULL, NULL, NULL);

    }

    if (osErr == noErr) {

        osErr = ExtractSingleItem(&reply, objectRef);

        (void) NavDisposeReply(&reply);

    }   

    return osErr;

}

    /* This function extracts a single FSRef from a NavReplyRecord. */

static OSErr ExtractSingleItem(const NavReplyRecord *reply, FSRef *item)

{

    FSSpec fss;

    SInt32 itemCount;

    DescType junkType;

    AEKeyword junkKeyword;

    Size junkSize;

    OSErr osErr;

    osErr = AECountItems(&reply->selection, &itemCount);

    if( itemCount != 1 )    /* we only work with one object at a time */

        osErr = paramErr;

    if( osErr == noErr )

        osErr = AEGetNthPtr(&reply->selection, 1, typeFSS, &junkKeyword, &junkType, &fss, sizeof(fss), &junkSize);

    if( osErr == noErr )

    {

        mycheck(junkType == typeFSS);

        mycheck(junkSize == sizeof(FSSpec));

        /* We call FSMakeFSSpec because sometimes Nav is braindead      */

        /* and gives us an invalid FSSpec (where the name is empty).    */

        /* While FSpMakeFSRef seems to handle that (and the file system */

        /* engineers assure me that that will keep working (at least    */

        /* on traditional Mac OS) because of the potential for breaking */

        /* existing applications), I'm still wary of doing this so      */

        /* I regularise the FSSpec by feeding it through FSMakeFSSpec.  */

        if( fss.name[0] == 0 )

            osErr = FSMakeFSSpec(fss.vRefNum, fss.parID, fss.name, &fss);

        if( osErr == noErr )

            osErr = FSpMakeFSRef(&fss, item);

    }

    return osErr;

}

static pascal OSErr MyFilterProc(   Boolean             /*containerChanged*/,

                                    ItemCount           currentLevel,

                                    OSErr               currentOSErr,

                                    const FSCatalogInfo */*catalogInfo*/,

                                    const FSRef         */*ref*/,

                                    const FSSpec        *spec,

                                    const HFSUniStr255  */*name*/,

                                    void                */*yourDataPtr*/ )

{   

    FSSpec  tmpSpec = *spec;

    /* If an error occured during the copy, you can process that error here         */

    /* or, for example, you can also process key combo's (i.e. command-'.') to      */

    /* cancel copies in progress (i.e. return userCanceledErr)                      */

    /* Note: If currentOSErr != noErr, the FSRef and other info might not be valid  */

    if( currentOSErr == noErr )

    {

        tmpSpec.name[ tmpSpec.name[0] + 1 ] = '\0';

        printf( "%d  %s: %d\n", currentLevel, tmpSpec.name + 1,currentOSErr );

    } 

    /* if noErr: continue with the copy                       */

    /* else bail                                              */

    return currentOSErr;

}