[Webkit-unassigned] [Bug 46733] REGRESSION (r67261): Middle-mouse-release opens links regardless of "press" location

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https://bugs.webkit.org/show_bug.cgi?id=46733





--- Comment #22 from Peter Kasting <pkasting at google.com>  2010-09-30 14:07:01 PST ---
Created an attachment (id=69381)
 --> (https://bugs.webkit.org/attachment.cgi?id=69381)
middle-mouse autoscroll testcase

Here's another test.  This one calls preventDefault() on mouse down/up/click events on the body.  If you resize your window small enough to get scrollbars, then middle-click, in Firefox the autoscroll (or "pan scroll") cursor appears, but in WebKit, it doesn't.  This is because, similarly to link-middle-clicks, we trigger autoscrolling off a default event handler: in this case, Node::defaultEventHandler().

I think middle-mouse autoscroll, even more than middle-click to open links, should be triggered in parallel to event handling (i.e. like Firefox) as opposed to because of it.

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