RetailCRM-Mirror/select2
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Handling mousemove more delicately

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Mousemove fires very frequently and is a sure way of killing any app's FPS.  This tweak makes sure it is only bound when it is in fact needed.
This commit is contained in:
TheSisb 2014-05-14 15:25:05 -07:00
parent 52425f93c8
commit e2cd841fe8
1 changed files with 8 additions and 4 deletions
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12
select2.js
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@ -193,10 +193,6 @@ the specific language governing permissions and limitations under the Apache Lic
});
}
$document.on("mousemove", function (e) {
lastMousePosition.x = e.pageX;
lastMousePosition.y = e.pageY;
});
/**
* filters mouse events so an event is fired only if the mouse moved.
@ -1343,6 +1339,12 @@ the specific language governing permissions and limitations under the Apache Lic
this.opening();
// Only bind the document mousemove when the dropdown is visible
$document.on("mousemove.select2Event", function (e) {
lastMousePosition.x = e.pageX;
lastMousePosition.y = e.pageY;
});
return true;
},
@ -1439,6 +1441,8 @@ the specific language governing permissions and limitations under the Apache Lic
this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
this.results.empty();
// Now that the dropdown is closed, unbind the global document mousemove event
$document.off("mousemove.select2Event");
this.clearSearch();
this.search.removeClass("select2-active");