[okular] [Bug 402017] Cannot save PDF when loaded file has been deleted

[Albert Astals Cid]

https://bugs.kde.org/show_bug.cgi?id=402017

--- Comment #43 from Albert Astals Cid <aacid at kde.org> ---
(In reply to David Hurka from comment #41)
> > I mean think of this message you would have to show the user "Sorry, we
> > can't open your file because you don't have enough space on disk".
> 
> If there is not enough space to create a temporary copy, how should the file
> be saved after editing?

Getting a "not enough space" on saving, is totally normal and expected, getting
it on opening is the weirdest thing ever.

> If the file was streamed-from-disk in that case, it would have to be deleted
> in order to save the edited version. But then, nothing can be saved anymore,
> so I don’t see the point to not create temporary copies.
> 
> So I make another suggestion:
> 
> C) Create temporary copies of any file. But if there is not enough space to
> make a temporary copy, consider the original file to be the temporary copy
> (but remember to not delete it).
> 
> D) Like C, but also remove swapBackingFile. I think full reload instead of
> swapBackingFile is acceptable in this corner case. (If that would lose e. g.
> annotations, the user could still save to .okular first.)
> 
> ...
> 
> Hmm, okay, the user could still save to a remote location.

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