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Global setting to use click on tap handlers #5679

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Global setting to use click on tap handlers #5679

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9 changes: 9 additions & 0 deletions lib/mixins/gesture-event-listeners.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import '../utils/boot.js';

import { dedupingMixin } from '../utils/mixin.js';
import { addListener, removeListener } from '../utils/gestures.js';
import { useClickOnTap } from '../utils/settings.js';

/**
* Element class mixin that provides API for adding Polymer's cross-platform
Expand Down Expand Up @@ -46,6 +47,10 @@ export const GestureEventListeners = dedupingMixin((superClass) => {
* @override
*/
_addEventListenerToNode(node, eventName, handler) {
if (useClickOnTap && eventName === 'tap') {
super._addEventListenerToNode(node, 'click', handler);
return;
}
if (!addListener(node, eventName, handler)) {
super._addEventListenerToNode(node, eventName, handler);
}
Expand All @@ -61,6 +66,10 @@ export const GestureEventListeners = dedupingMixin((superClass) => {
* @override
*/
_removeEventListenerFromNode(node, eventName, handler) {
if (useClickOnTap && eventName === 'tap') {
super._removeEventListenerFromNode(node, 'click', handler);
return;
}
if (!removeListener(node, eventName, handler)) {
super._removeEventListenerFromNode(node, eventName, handler);
}
Expand Down
8 changes: 8 additions & 0 deletions lib/utils/settings.js
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,14 @@ export const getSanitizeDOMValue = function() {
export let passiveTouchGestures =
window.Polymer && window.Polymer.setPassiveTouchGestures || false;

/**
* Globally settable property to make on-tap use on-click.
* Defaults to `false` for backwards compatibility.
*/
export const useClickOnTap =
window.Polymer && window.Polymer.useClickOnTap || false;


/**
* Sets `passiveTouchGestures` globally for all elements using Polymer Gestures.
*
Expand Down