46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
import Ember from 'ember';
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function samePosition(a, b) {
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return a && b && a.x === b.x && a.y === b.y;
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}
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function positionElement() {
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var element, position, _position;
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Ember.instrument('view.updateContext.positionElement', this, function() {
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element = this.element;
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position = this.position;
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_position = this._position;
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if (!position || !element) {
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return;
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}
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// // TODO: avoid needing this by avoiding unnecessary
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// // calls to this method in the first place
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if (samePosition(position, _position)) {
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return;
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}
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Ember.run.schedule('render', this, this._parentView.applyTransform, this, position.x, position.y);
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this._position = position;
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}, this);
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}
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export default Ember.Mixin.create({
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classNames: ['ember-list-item-view'],
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style: Ember.String.htmlSafe(''),
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attributeBindings: ['style'],
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_position: null,
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_positionElement: positionElement,
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positionElementWhenInserted: Ember.on('init', function(){
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this.one('didInsertElement', positionElement);
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}),
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updatePosition: function(position) {
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this.position = position;
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this._positionElement();
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}
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});
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