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fix(mdTooltip): Tooltip inside subheader causes Firefox hang. #4800

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fix(mdTooltip): Tooltip inside subheader causes Firefox hang. #4800

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5 changes: 4 additions & 1 deletion src/components/tooltip/tooltip.js
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Original file line number Diff line number Diff line change
Expand Up @@ -106,9 +106,12 @@ function MdTooltipDirective($timeout, $window, $$rAF, $document, $mdUtil, $mdThe
*/
function getParentWithPointerEvents () {
var parent = element.parent();
while (parent && hasComputedStyleValue('pointer-events','none', parent[0])) {

// jqLite might return a non-null, but still empty, parent; so check for parent and length
while (parent && parent.length && hasComputedStyleValue('pointer-events','none', parent[0])) {
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@topherfangio - I think we should move the hasComputedStyleValue to $mdUtil.hasComputedStyleValue( ); which would simplify testing of this feature.

parent = parent.parent();
}

return parent;
}

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