ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular
231 lines • 7.89 kB
JavaScript
import { Injectable } 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 { hasPointerMoved, pointerCoord } from '../util/dom';
import { POINTER_EVENT_TYPE_TOUCH } from '../gestures/pointer-events';
import { RippleActivator } from './ripple';
import { UIEventManager } from '../gestures/ui-event-manager';
/**
* @hidden
*/
export class TapClick {
constructor(config, plt, dom, app, 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;
}
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;
}
this.activatableEle = getActivatableTarget(ev.target);
if (!this.activatableEle) {
this.startCoord = null;
return false;
}
this.startCoord = pointerCoord(ev);
this.activator && this.activator.downAction(ev, this.activatableEle, this.startCoord);
return true;
}
pointerMove(ev) {
if (this.startCoord && this.shouldCancelEvent(ev)) {
this.pointerCancel(ev);
}
}
pointerEnd(ev, pointerEventType) {
if (!this.dispatchClick)
return;
(void 0) /* runInDev */;
if (!this.startCoord) {
return;
}
if (this.activator && ev.target !== this.plt.doc()) {
let activatableEle = getActivatableTarget(ev.target) || this.activatableEle;
if (activatableEle) {
this.activator.upAction(ev, activatableEle, this.startCoord);
}
}
if (this.usePolyfill && pointerEventType === POINTER_EVENT_TYPE_TOUCH && this.app.isEnabled()) {
this.handleTapPolyfill(ev);
}
this.startCoord = null;
this.activatableEle = null;
}
pointerCancel(ev) {
(void 0) /* console.debug */;
this.startCoord = null;
this.activatableEle = null;
this.dispatchClick = false;
this.activator && this.activator.clearState(false);
this.pointerEvents.stop();
}
shouldCancelEvent(ev) {
return (this.app.isScrolling() ||
this.gestureCtrl.isCaptured() ||
hasPointerMoved(POINTER_TOLERANCE, this.startCoord, pointerCoord(ev)));
}
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 activatableEle = getActivatableTarget(ev.target);
if (activatableEle) {
this.activator.clickAction(ev, activatableEle, this.startCoord);
}
}
(void 0) /* runInDev */;
}
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;
}
profileClickDelay(ev) {
if (this.lastTouchEnd) {
let 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 */;
}
}
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 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 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);
}
}
isDisabledNativeClick() {
return this.disableClick > Date.now();
}
}
TapClick.decorators = [
{ type: Injectable },
];
/** @nocollapse */
TapClick.ctorParameters = () => [
{ type: Config, },
{ type: Platform, },
{ type: DomController, },
{ type: App, },
{ type: GestureController, },
];
function getActivatableTarget(ele) {
let targetEle = ele;
for (let x = 0; x < 10; x++) {
if (!targetEle)
break;
if (isActivatable(targetEle)) {
return targetEle;
}
targetEle = targetEle.parentElement;
}
return null;
}
/**
* @hidden
*/
export function isActivatable(ele) {
if (ACTIVATABLE_ELEMENTS.indexOf(ele.tagName) > -1) {
return true;
}
for (let i = 0, l = ACTIVATABLE_ATTRIBUTES.length; i < l; i++) {
if (ele.hasAttribute && ele.hasAttribute(ACTIVATABLE_ATTRIBUTES[i])) {
return true;
}
}
return false;
}
const ACTIVATABLE_ELEMENTS = ['A', 'BUTTON'];
const ACTIVATABLE_ATTRIBUTES = ['tappable', 'ion-button'];
const POINTER_TOLERANCE = 100;
const DISABLE_NATIVE_CLICK_AMOUNT = 2500;
/**
* @hidden
*/
export function setupTapClick(config, plt, dom, app, gestureCtrl) {
return function () {
return new TapClick(config, plt, dom, app, gestureCtrl);
};
}
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