mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-15 16:06:41 +03:00
Sandra Lokshina
dbb774fa9f
Both DOM and UI utils had a removeAllChildren method that did the same thing. This change removes it from the UI util and replaces all calls to it with calls to the DOM util. Issue #1157. Change-Id: Iaf7998c460c03416d8651e2efd53c96bdcc9a258
109 lines
2.5 KiB
JavaScript
109 lines
2.5 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.util.Dom');
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goog.require('goog.asserts');
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/**
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* @export
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*/
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shaka.util.Dom = class {
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/**
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* Creates an element, and cast the type from Element to HTMLElement.
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*
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* @param {string} tagName
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* @return {!HTMLElement}
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*/
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static createHTMLElement(tagName) {
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const element =
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/** @type {!HTMLElement} */ (document.createElement(tagName));
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return element;
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}
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/**
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* Creates an element, and cast the type from Element to HTMLElement.
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*
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* @return {!HTMLVideoElement}
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*/
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static createVideoElement() {
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const video =
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/** @type {!HTMLVideoElement} */ (document.createElement('video'));
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video.muted = true;
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video.width = 600;
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video.height = 400;
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return video;
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}
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/**
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* Cast a Node/Element to an HTMLElement
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*
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* @param {!Node|!Element} original
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* @return {!HTMLElement}
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*/
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static asHTMLElement(original) {
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return /** @type {!HTMLElement}*/ (original);
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}
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/**
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* Cast a Node/Element to an HTMLMediaElement
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*
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* @param {!Node|!Element} original
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* @return {!HTMLMediaElement}
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*/
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static asHTMLMediaElement(original) {
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return /** @type {!HTMLMediaElement}*/ (original);
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}
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/**
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* Returns the element with a given class name.
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* Assumes the class name to be unique for a given parent.
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*
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* @param {string} className
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* @param {!HTMLElement} parent
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* @return {!HTMLElement}
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*/
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static getElementByClassName(className, parent) {
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const elements = parent.getElementsByClassName(className);
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goog.asserts.assert(elements.length == 1,
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'Should only be one element with class name ' + className);
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return shaka.util.Dom.asHTMLElement(elements[0]);
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}
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/**
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* Remove all of the child nodes of an element.
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* @param {!Element} element
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* @export
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*/
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static removeAllChildren(element) {
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while (element.firstChild) {
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element.removeChild(element.firstChild);
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}
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}
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};
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