Regression in [9698]: TextArea InlineEditBox not opening in FF

[haysmark]

See [9698]. When you click the paragraph in test_InlineEditBox, the textarea flickers into view and disappears again. The textarea is completely unusable only in FF. Very strange.

[bill]

Yup, sorry about that, meant to mention it in the checkin comment. It's this line in Textarea.js:

dijit.util.focus.set(this.iframe.contentWindow);

It seems to be setting focus to the brower's outermost window (or maybe clearing focus from anything?), rather than to the TextArea?'s iframe, thus causing the TextArea? to become defocused, thus causing the InlineEditBox? to hide it (immediately after showing it).

I'll try to fix; may need to talk to Doug about it though.

[bill]

(In [9711]) Fix focus on iframes. Although you focus on iframe.contentWindow, that's useless for tracing parentNode upwards (to the main document)... need to use the iframe itself for that.

Fixes #3795.