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Bug 11856 - what happens when nothing happens in the getData() algorithm?
Summary: what happens when nothing happens in the getData() algorithm?
Alias: None
Product: HTML WG
Classification: Unclassified
Component: LC1 HTML5 spec (show other bugs)
Version: unspecified
Hardware: PC Windows XP
: P2 minor
Target Milestone: ---
Assignee: Ian 'Hixie' Hickson
QA Contact: HTML WG Bugzilla archive list
Depends on:
Reported: 2011-01-25 03:35 UTC by Hallvord R. M. Steen
Modified: 2011-08-04 05:03 UTC (History)
5 users (show)

See Also:


Description Hallvord R. M. Steen 2011-01-25 03:35:38 UTC
Regarding: :

> The getData(format, data) method must run the following steps:
> If the DataTransfer object is no longer associated with a drag data store, 
> abort these steps. Nothing happens.

What does "Nothing happens" actually mean? I believe it should return undefined, which might be covered by "nothing happens" but it would be clearer to just say "return undefined".

Also, in step 7:
> If there is no item in the drag data store item list whose kind is
> Plain Unicode string and whose type string is equal to format, return
> the empty string and abort these steps.

This doesn't match WebKit per my testing, it should return undefined (tested with Chrome/Win).
Comment 1 Ian 'Hixie' Hickson 2011-02-18 23:22:08 UTC
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Status: Accepted
Change Description: see diff given below

Please file only one issue per bug.

Regarding the first thing: oops. Fixed. Getters can never just "do nothing", they always have to return something.

Regarding the second thing: It can't return 'undefined', since that's not a kind of DOMString. Sounds like a bug in Chrome.
Comment 2 contributor 2011-02-18 23:22:54 UTC
Checked in as WHATWG revision r5909.
Check-in comment: 'do nothing' doesn't make sense for a getter.
Comment 3 Hallvord R. M. Steen 2011-02-20 14:14:49 UTC
OK, thanks Ian. I've updated three tests to require the empty string.
Comment 4 Michael[tm] Smith 2011-08-04 05:03:31 UTC
mass-moved component to LC1