ionic-angular
Version:
A powerful framework for building mobile and progressive web apps with JavaScript and Angular
63 lines • 1.85 kB
JavaScript
import { Injectable } from '@angular/core';
import { Config } from '../config/config';
import { isPresent } from '../util/util';
import { Platform } from '../platform/platform';
/**
* @hidden
*/
export class TransitionController {
constructor(plt, _config) {
this.plt = plt;
this._config = _config;
this._ids = 0;
this._trns = {};
}
getRootTrnsId(nav) {
nav = nav.parent;
while (nav) {
if (isPresent(nav._trnsId)) {
return nav._trnsId;
}
nav = nav.parent;
}
return null;
}
nextId() {
return this._ids++;
}
get(trnsId, enteringView, leavingView, opts) {
let TransitionClass = this._config.getTransition(opts.animation);
if (!TransitionClass) {
// didn't find a transition animation, default to ios-transition
TransitionClass = this._config.getTransition('ios-transition');
}
const trns = new TransitionClass(this.plt, enteringView, leavingView, opts);
trns.trnsId = trnsId;
if (!this._trns[trnsId]) {
// we haven't created the root transition yet
this._trns[trnsId] = trns;
}
else {
// we already have a root transition created
// add this new transition as a child to the root
this._trns[trnsId].add(trns);
}
return trns;
}
destroy(trnsId) {
const trans = this._trns[trnsId];
if (trans) {
trans.destroy();
delete this._trns[trnsId];
}
}
}
TransitionController.decorators = [
{ type: Injectable },
];
/** @nocollapse */
TransitionController.ctorParameters = () => [
{ type: Platform, },
{ type: Config, },
];
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