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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ScrollAnimator is not notified when mouse entered, moved or exited a RenderListBox"
href="https://bugs.webkit.org/show_bug.cgi?id=153398">153398</a>
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<th>Summary</th>
<td>ScrollAnimator is not notified when mouse entered, moved or exited a RenderListBox
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Local Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Layout and Rendering
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>cgarcia@igalia.com
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<th>CC</th>
<td>bdakin@apple.com, darin@apple.com, simon.fraser@apple.com
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<pre>EvenHandler is checking whether the enclosing layer of a node is registered as scrollable area of its frame view. That doesn't work for list boxes, because they are the scrollable area themselves. Also when entering a list box the node under mouse it not usually the list box itself, but any of its children, a HTMLOptionElement or a HTMLOptGroupElement. Instead of comparing layers, we should find the enclosing scrollable area of the target elements and compare them to decide whether the mouse has entered, left or moved a scrollable area.</pre>
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