• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?


  • Subject: Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
  • From: Kyle Sluder <email@hidden>
  • Date: Sun, 20 Apr 2014 13:34:17 -0700

Do you override any other NSDocument saving methods? I believe NSDocument’s internal use of -performAsynchronousFileAccess… should cause it to delay NSApplication termination.

--Kyle Sluder

On Apr 20, 2014, at 1:01 PM, Trygve Inda <email@hidden> wrote:

>>
>>> On 20 Apr 2014, at 19:58, Trygve Inda <email@hidden> wrote:
>>>
>>> I return YES from
>>>
>>> canAsynchronouslyWriteToURL:ofType:forSaveOperation:
>>>
>>> Which works fine, but the user is able to quit the app while the save is in
>>> progress. Is there way way to know when the save is complete so that I can
>>> prevent quit before the save ends?
>>
>> If you play by NSDocument’s rules, the won’t actually terminate until saving
>> is finished. How have you determined that this is not the case for your app?
>> Is your save process doing anything weird?
>
> If I start a save and quit immediately, the file is not written. In my
> Document class I override:
>
>
> -(NSFileWrapper *)fileWrapperOfType:(NSString *)typeName error:(NSError
> **)outError
> {
>  if ([self documentFileWrapper] == nil)
>    [self setDocumentFileWrapper:[self createPackageDirectoryStructure]];
>
>  ...
>
>  [self unblockUserInteraction];
>  return documentFileWrapper;
> }
>
>
> -(BOOL)canAsynchronouslyWriteToURL:(NSURL *)url ofType:(NSString *)typeName
> forSaveOperation:(NSSaveOperationType)saveOperation
> {
>   return YES;
> }

_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden


  • Follow-Ups:
    • Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
      • From: Trygve Inda <email@hidden>
    • Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
      • From: Trygve Inda <email@hidden>
    • Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
      • From: Quincey Morris <email@hidden>
References: 
 >Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit? (From: Trygve Inda <email@hidden>)

  • Prev by Date: Re: ARC Retain Cycles
  • Next by Date: Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
  • Previous by thread: Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
  • Next by thread: Re: canAsynchronouslyWriteToURL:ofType:forSaveOperation: Prevent Quit?
  • Index(es):
    • Date
    • Thread