70 lines
2.3 KiB
TypeScript
70 lines
2.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {GetTestability, Injectable, Testability, TestabilityRegistry, setTestabilityGetter} from '@angular/core';
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import {getDOM} from '../dom/dom_adapter';
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import {ListWrapper} from '../facade/collection';
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import {global, isPresent} from '../facade/lang';
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export class BrowserGetTestability implements GetTestability {
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static init() { setTestabilityGetter(new BrowserGetTestability()); }
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addToWindow(registry: TestabilityRegistry): void {
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global.getAngularTestability = (elem: any, findInAncestors: boolean = true) => {
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var testability = registry.findTestabilityInTree(elem, findInAncestors);
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if (testability == null) {
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throw new Error('Could not find testability for element.');
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}
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return testability;
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};
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global.getAllAngularTestabilities = () => { return registry.getAllTestabilities(); };
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global.getAllAngularRootElements = () => registry.getAllRootElements();
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var whenAllStable = (callback: any /** TODO #9100 */) => {
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var testabilities = global.getAllAngularTestabilities();
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var count = testabilities.length;
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var didWork = false;
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var decrement = function(didWork_: any /** TODO #9100 */) {
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didWork = didWork || didWork_;
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count--;
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if (count == 0) {
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callback(didWork);
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}
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};
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testabilities.forEach(function(testability: any /** TODO #9100 */) {
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testability.whenStable(decrement);
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});
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};
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if (!global['frameworkStabilizers']) {
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global['frameworkStabilizers'] = ListWrapper.createGrowableSize(0);
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}
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global['frameworkStabilizers'].push(whenAllStable);
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}
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findTestabilityInTree(registry: TestabilityRegistry, elem: any, findInAncestors: boolean):
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Testability {
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if (elem == null) {
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return null;
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}
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var t = registry.getTestability(elem);
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if (isPresent(t)) {
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return t;
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} else if (!findInAncestors) {
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return null;
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}
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if (getDOM().isShadowRoot(elem)) {
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return this.findTestabilityInTree(registry, getDOM().getHost(elem), true);
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}
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return this.findTestabilityInTree(registry, getDOM().parentElement(elem), true);
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}
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}
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