ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular 2
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JavaScript
import { Injectable, NgZone } from '@angular/core';
import { Activator } from './activator';
import { App } from '../components/app/app';
import { Config } from '../config/config';
import { DomController } from '../platform/dom-controller';
import { GestureController } from '../gestures/gesture-controller';
import { Platform } from '../platform/platform';
import { pointerCoord, hasPointerMoved } from '../util/dom';
import { RippleActivator } from './ripple';
import { UIEventManager } from '../gestures/ui-event-manager';
export class TapClick {
/**
* @param {?} config
* @param {?} plt
* @param {?} dom
* @param {?} app
* @param {?} zone
* @param {?} gestureCtrl
*/
constructor(config, plt, dom, app, zone, gestureCtrl) {
this.plt = plt;
this.app = app;
this.gestureCtrl = gestureCtrl;
this.disableClick = 0;
this.events = new UIEventManager(plt);
let activator = config.get('activator');
if (activator === 'ripple') {
this.activator = new RippleActivator(app, config, dom);
}
else if (activator === 'highlight') {
this.activator = new Activator(app, config, dom);
}
this.usePolyfill = config.getBoolean('tapPolyfill');
(void 0) /* console.debug */;
const doc = plt.doc();
this.events.listen(doc, 'click', this.click.bind(this), { passive: false, capture: true });
this.pointerEvents = this.events.pointerEvents({
element: doc,
pointerDown: this.pointerStart.bind(this),
pointerMove: this.pointerMove.bind(this),
pointerUp: this.pointerEnd.bind(this),
passive: true
});
this.pointerEvents.mouseWait = DISABLE_NATIVE_CLICK_AMOUNT;
}
/**
* @param {?} ev
* @return {?}
*/
pointerStart(ev) {
if (this.startCoord) {
return false;
}
if (!this.app.isEnabled()) {
return false;
}
this.lastTouchEnd = 0;
this.dispatchClick = true;
if (this.plt.doc() === ev.target) {
this.startCoord = pointerCoord(ev);
return true;
}
let /** @type {?} */ activatableEle = getActivatableTarget(ev.target);
if (!activatableEle) {
this.startCoord = null;
return false;
}
this.startCoord = pointerCoord(ev);
this.activator && this.activator.downAction(ev, activatableEle, this.startCoord);
return true;
}
/**
* @param {?} ev
* @return {?}
*/
pointerMove(ev) {
if (this.startCoord && this.shouldCancelEvent(ev)) {
this.pointerCancel(ev);
}
}
/**
* @param {?} ev
* @param {?} type
* @return {?}
*/
pointerEnd(ev, type) {
if (!this.dispatchClick)
return;
(void 0) /* runInDev */;
if (!this.startCoord) {
return;
}
if (this.activator && ev.target !== this.plt.doc()) {
let /** @type {?} */ activatableEle = getActivatableTarget(ev.target);
if (activatableEle) {
this.activator.upAction(ev, activatableEle, this.startCoord);
}
}
if (this.usePolyfill && type === 2 /* TOUCH */ && this.app.isEnabled()) {
this.handleTapPolyfill(ev);
}
this.startCoord = null;
}
/**
* @param {?} ev
* @return {?}
*/
pointerCancel(ev) {
(void 0) /* console.debug */;
this.startCoord = null;
this.dispatchClick = false;
this.activator && this.activator.clearState(false);
this.pointerEvents.stop();
}
/**
* @param {?} ev
* @return {?}
*/
shouldCancelEvent(ev) {
return (this.app.isScrolling() ||
this.gestureCtrl.isCaptured() ||
hasPointerMoved(POINTER_TOLERANCE, this.startCoord, pointerCoord(ev)));
}
/**
* @param {?} ev
* @return {?}
*/
click(ev) {
if (this.shouldCancelClick(ev)) {
ev.preventDefault();
ev.stopPropagation();
return;
}
if (this.activator && this.plt.doc() !== ev.target) {
// cool, a click is gonna happen, let's tell the activator
// so the element can get the given "active" style
const /** @type {?} */ activatableEle = getActivatableTarget(ev.target);
if (activatableEle) {
this.activator.clickAction(ev, activatableEle, this.startCoord);
}
}
(void 0) /* runInDev */;
}
/**
* @param {?} ev
* @return {?}
*/
shouldCancelClick(ev) {
if (this.usePolyfill) {
if (!ev.isIonicTap && this.isDisabledNativeClick()) {
(void 0) /* console.debug */;
return true;
}
}
else if (!this.dispatchClick) {
(void 0) /* console.debug */;
return true;
}
if (!this.app.isEnabled()) {
(void 0) /* console.debug */;
return true;
}
if (this.gestureCtrl.isCaptured()) {
(void 0) /* console.debug */;
return true;
}
return false;
}
/**
* @param {?} ev
* @return {?}
*/
profileClickDelay(ev) {
if (this.lastTouchEnd) {
let /** @type {?} */ diff = Date.now() - this.lastTouchEnd;
if (diff < 100) {
(void 0) /* console.debug */;
}
else {
console.warn(`SLOW click dispatched. Delay(ms):`, diff, ev);
}
this.lastTouchEnd = null;
}
else {
(void 0) /* console.debug */;
}
}
/**
* @param {?} ev
* @return {?}
*/
handleTapPolyfill(ev) {
(void 0) /* assert */;
// only dispatch mouse click events from a touchend event
// when tapPolyfill config is true, and the startCoordand endCoord
// are not too far off from each other
let /** @type {?} */ endCoord = pointerCoord(ev);
if (hasPointerMoved(POINTER_TOLERANCE, this.startCoord, endCoord)) {
(void 0) /* console.debug */;
return;
}
// prevent native mouse click events for XX amount of time
this.disableClick = Date.now() + DISABLE_NATIVE_CLICK_AMOUNT;
if (this.app.isScrolling()) {
// do not fire off a click event while the app was scrolling
(void 0) /* console.debug */;
}
else {
// dispatch a mouse click event
(void 0) /* console.debug */;
let /** @type {?} */ clickEvent = this.plt.doc().createEvent('MouseEvents');
clickEvent.initMouseEvent('click', true, true, this.plt.win(), 1, 0, 0, endCoord.x, endCoord.y, false, false, false, false, 0, null);
clickEvent.isIonicTap = true;
ev.target.dispatchEvent(clickEvent);
}
}
/**
* @return {?}
*/
isDisabledNativeClick() {
return this.disableClick > Date.now();
}
}
TapClick.decorators = [
{ type: Injectable },
];
/** @nocollapse */
TapClick.ctorParameters = () => [
{ type: Config, },
{ type: Platform, },
{ type: DomController, },
{ type: App, },
{ type: NgZone, },
{ type: GestureController, },
];
function TapClick_tsickle_Closure_declarations() {
/** @type {?} */
TapClick.decorators;
/**
* @nocollapse
* @type {?}
*/
TapClick.ctorParameters;
/** @type {?} */
TapClick.prototype.disableClick;
/** @type {?} */
TapClick.prototype.usePolyfill;
/** @type {?} */
TapClick.prototype.activator;
/** @type {?} */
TapClick.prototype.startCoord;
/** @type {?} */
TapClick.prototype.events;
/** @type {?} */
TapClick.prototype.pointerEvents;
/** @type {?} */
TapClick.prototype.lastTouchEnd;
/** @type {?} */
TapClick.prototype.dispatchClick;
/** @type {?} */
TapClick.prototype.plt;
/** @type {?} */
TapClick.prototype.app;
/** @type {?} */
TapClick.prototype.gestureCtrl;
}
/**
* @param {?} ele
* @return {?}
*/
function getActivatableTarget(ele) {
let /** @type {?} */ targetEle = ele;
for (let /** @type {?} */ x = 0; x < 10; x++) {
if (!targetEle)
break;
if (isActivatable(targetEle)) {
return targetEle;
}
targetEle = targetEle.parentElement;
}
return null;
}
/**
* @private
*/
export const /** @type {?} */ isActivatable = function (ele) {
if (ACTIVATABLE_ELEMENTS.indexOf(ele.tagName) > -1) {
return true;
}
for (let /** @type {?} */ i = 0, /** @type {?} */ l = ACTIVATABLE_ATTRIBUTES.length; i < l; i++) {
if (ele.hasAttribute && ele.hasAttribute(ACTIVATABLE_ATTRIBUTES[i])) {
return true;
}
}
return false;
};
const /** @type {?} */ ACTIVATABLE_ELEMENTS = ['A', 'BUTTON'];
const /** @type {?} */ ACTIVATABLE_ATTRIBUTES = ['tappable', 'ion-button'];
const /** @type {?} */ POINTER_TOLERANCE = 100;
const /** @type {?} */ DISABLE_NATIVE_CLICK_AMOUNT = 2500;
/**
* @param {?} config
* @param {?} plt
* @param {?} dom
* @param {?} app
* @param {?} zone
* @param {?} gestureCtrl
* @return {?}
*/
export function setupTapClick(config, plt, dom, app, zone, gestureCtrl) {
return function () {
return new TapClick(config, plt, dom, app, zone, gestureCtrl);
};
}
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