ionic-angular/es2015/transitions/transition-controller.js

A powerful framework for building mobile and progressive web apps with JavaScript and Angular

import { Injectable } from '@angular/core';
import { Config } from '../config/config';
import { isPresent } from '../util/util';
import { Platform } from '../platform/platform';
/**
 * @hidden
 */
export class TransitionController {
    /**
     * @param {?} plt
     * @param {?} _config
     */
    constructor(plt, _config) {
        this.plt = plt;
        this._config = _config;
        this._ids = 0;
        this._trns = {};
    }
    /**
     * @param {?} nav
     * @return {?}
     */
    getRootTrnsId(nav) {
        nav = (nav.parent);
        while (nav) {
            if (isPresent(nav._trnsId)) {
                return nav._trnsId;
            }
            nav = nav.parent;
        }
        return null;
    }
    /**
     * @return {?}
     */
    nextId() {
        return this._ids++;
    }
    /**
     * @param {?} trnsId
     * @param {?} enteringView
     * @param {?} leavingView
     * @param {?} opts
     * @return {?}
     */
    get(trnsId, enteringView, leavingView, opts) {
        let /** @type {?} */ 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 /** @type {?} */ 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;
    }
    /**
     * @param {?} trnsId
     * @return {?}
     */
    destroy(trnsId) {
        const /** @type {?} */ trans = this._trns[trnsId];
        if (trans) {
            trans.destroy();
            delete this._trns[trnsId];
        }
    }
}
TransitionController.decorators = [
    { type: Injectable },
];
/**
 * @nocollapse
 */
TransitionController.ctorParameters = () => [
    { type: Platform, },
    { type: Config, },
];
function TransitionController_tsickle_Closure_declarations() {
    /** @type {?} */
    TransitionController.decorators;
    /**
     * @nocollapse
     * @type {?}
     */
    TransitionController.ctorParameters;
    /** @type {?} */
    TransitionController.prototype._ids;
    /** @type {?} */
    TransitionController.prototype._trns;
    /** @type {?} */
    TransitionController.prototype.plt;
    /** @type {?} */
    TransitionController.prototype._config;
}
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