[Webkit-unassigned] [Bug 126950] New: AX: FrameSelection::notifyAccessibilityForSelectionChange() seems to be called unnecessarily when typing into address bar

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126950

           Summary: AX:
                    FrameSelection::notifyAccessibilityForSelectionChange(
                    ) seems to be called unnecessarily when typing into
                    address bar
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.9
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sharada at apple.com
                CC: webkit-bug-importer at group.apple.com


* SUMMARY

When typing into the Safari address bar, FrameSelection::notifyAccessibilityForSelectionChange() in FrameSelectionMac.mm seems to be called whenever the suggestion dropdown updates to change size, when it seems it shouldn't be called.

* STEPS TO REPRODUCE

1. Enable zoom and zoom in.
2. Open Safari and size the window so that it is not full screen.
3. In the Safari address bar, type a letter (e.g., "w") that causes the suggestion dropdown to populate.
4. Type additional letters, until the size of the suggestion dropdown updates and changes size.

* RESULT

FrameSelection::notifyAccessibilityForSelectionChange seems to be called whenever the suggestion dropdown updates and changes size.
It does not seem correct for UAZoomChangeFocus to be raised here each time the suggestion dropdown updates as the user is typing into the address bar.
Because the rectangle coordinates being raised here are also incorrect (as per related issue), this current behavior causes user's zoom view to be jumped to the lower-left part of the screen whenever they are typing into the address bar and the suggestion dropdown updates to change size.

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