On Sep 30, 2011, at 8:47 AM, Kevin Perry wrote:
> On Sep 29, 2011, at 4:41 PM, Kyle Sluder wrote:
>
>> [...snip...]
>>
>> A general issue I have with asynchronous saving: what if the save
>> operation fails? The user has now made additional changes, but their
>> "Save a Version" operation did n
On Sep 29, 2011, at 4:41 PM, Kyle Sluder wrote:
> [...snip...]
>
> A general issue I have with asynchronous saving: what if the save
> operation fails? The user has now made additional changes, but their
> "Save a Version" operation did not create a version for them. So now
> they can't roll bac
Of course I have another question.
On Thu, Sep 29, 2011 at 12:33 PM, Kevin Perry wrote:
> NSDocument's NSFilePresenter methods use
> performAsynchronousFileAccessUsingBlock: internally, so if something else
> current has file access, the NSFileCoordinator requests are indeed blocked
> (or "enq
On Thu, Sep 29, 2011 at 12:33 PM, Kevin Perry wrote:
>
> On Sep 29, 2011, at 12:00 PM, Kyle Sluder wrote:
>
>> On Thu, Sep 29, 2011 at 9:20 AM, Kevin Perry wrote:
>>> If it were to call the fileAccessCompletionHandler any earlier then it might
>>> be possible, for example, for -fileModificationDa
On Sep 29, 2011, at 12:00 PM, Kyle Sluder wrote:
> On Thu, Sep 29, 2011 at 9:20 AM, Kevin Perry wrote:
>> If it were to call the fileAccessCompletionHandler any earlier then it might
>> be possible, for example, for -fileModificationDate to be invoked on the
>> main thread after -writeSafelyToUR
On Thu, Sep 29, 2011 at 9:20 AM, Kevin Perry wrote:
> If it were to call the fileAccessCompletionHandler any earlier then it might
> be possible, for example, for -fileModificationDate to be invoked on the
> main thread after -writeSafelyToURL: has written the file, but before the
> value has been
The header documentation for -performSynchronousFileAccessUsingBlock: (which
also applies to performAsynchronousFileAccessUsingBlock:) says:
"this method's primary use is to wait for asynchronous saving, but in
contrast with that method it is only for use to wait for the part of an
asyn
On Wed, Sep 28, 2011 at 10:55 PM, Kyle Sluder wrote:
> I'd really appreciate if the documentation spelled out exactly how
> NSDocument uses these methods.
To give an example of a specific NSDocument usage that I'd like to
know about: how does asynchronous saving use
-performAsynchronousFileAccess
I'm working on a document-based application, and am a bit befuddled by
-performSynchronousFileAccessUsingBlock:. The documentation says that
"NSDocument itself consistently uses this mechanism around invocations
of the following methods:" and lists methods including -fileType,
-fileURL, etc. The do
