Bug 82644 – InputType attribute changed functions should happen after the attribute change

• Component: Forms
• Status: RESOLVED FIXED

[Joseph Pecoraro]

InputType::disabledAttributeChanged and InputType::readonlyAttributeChanged should happen
after the attribute has actually changed. This way if the InputType looks at the state, it would
correctly get the new value, not the old value.

[Joseph Pecoraro]

Created attachment 134649 [details]
[PATCH] Proposed Fix

Saw this while looking at:
<http://webkit.org/b/82558> Toggling <input type="range"> readonly or disabled state while active breaks all click events

It doesn't really make sense to call the changed function until the value has actually changed!

[Eric Seidel (no email)]

Comment on attachment 134649 [details]
[PATCH] Proposed Fix

OK.  How do we observe this?

[Joseph Pecoraro]

(In reply to comment #2)
> (From update of attachment 134649 [details])
> OK.  How do we observe this?

This doesn't change any existing behavior. The only user of these InputType functions
doesn't turn around and change the readonly / disabled state of the input. But if
someone wanted to do that than this ordering would matter. I had a patch that used
these functions and this confused me. To fix the problem we did not go with that
patch, but I still wanted to fix this issue.

[Joseph Pecoraro]

(In reply to comment #3)
> (In reply to comment #2)
> > (From update of attachment 134649 [details] [details])
> > OK.  How do we observe this?
> 
> The only user of these InputType functions doesn't turn around and
> change the readonly / disabled state of the input.

I typo'd. This should have said, ".. doesn't turn around and check the state..."

[Benjamin Poulain]

Comment on attachment 134649 [details]
[PATCH] Proposed Fix

This looks correct to me.
I see why you cannot test this, no InputType rely on the attribute value in response to disabledAttributeChanged() or readonlyAttributeChanged().

[WebKit Review Bot]

Comment on attachment 134649 [details]
[PATCH] Proposed Fix

Clearing flags on attachment: 134649

Committed r112589: <http://trac.webkit.org/changeset/112589>

[WebKit Review Bot]

All reviewed patches have been landed.  Closing bug.