mirror of
https://github.com/smallmain/cocos-enhance-kit.git
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274 lines
9.3 KiB
JavaScript
274 lines
9.3 KiB
JavaScript
/****************************************************************************
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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https://www.cocos.com/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated engine source code (the "Software"), a limited,
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worldwide, royalty-free, non-assignable, revocable and non-exclusive license
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to use Cocos Creator solely to develop games on your target platforms. You shall
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not use Cocos Creator software for developing other software or tools that's
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used for developing games. You are not granted to publish, distribute,
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sublicense, and/or sell copies of Cocos Creator.
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The software or tools in this License Agreement are licensed, not sold.
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Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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const WebViewImpl = require('./webview-impl');
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/**
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* !#en WebView event type
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* !#zh 网页视图事件类型
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* @enum WebView.EventType
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*/
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const EventType = WebViewImpl.EventType;
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/**
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* !#en Web page Load completed.
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* !#zh 网页加载完成
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* @property {String} LOADED
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*/
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/**
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* !#en Web page is loading.
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* !#zh 网页加载中
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* @property {String} LOADING
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*/
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/**
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* !#en Web page error occurs when loading.
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* !#zh 网页加载出错
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* @property {String} ERROR
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*/
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//
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function emptyCallback () { }
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/**
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* !#en cc.WebView is a component for display web pages in the game. Because different platforms have different authorization, API and control methods for WebView component. And have not yet formed a unified standard, only Web, iOS, and Android platforms are currently supported.
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* !#zh WebView 组件，用于在游戏中显示网页。由于不同平台对于 WebView 组件的授权、API、控制方式都不同，还没有形成统一的标准，所以目前只支持 Web、iOS 和 Android 平台。
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* @class WebView
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* @extends Component
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*/
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let WebView = cc.Class({
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name: 'cc.WebView',
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extends: cc.Component,
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editor: CC_EDITOR && {
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menu: 'i18n:MAIN_MENU.component.ui/WebView',
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executeInEditMode: true
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},
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properties: {
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_url: '',
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/**
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* !#en A given URL to be loaded by the WebView, it should have a http or https prefix.
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* !#zh 指定 WebView 加载的网址，它应该是一个 http 或者 https 开头的字符串
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* @property {String} url
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*/
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url: {
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type: cc.String,
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tooltip: CC_DEV && 'i18n:COMPONENT.webview.url',
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get: function () {
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return this._url;
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},
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set: function (url) {
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this._url = url;
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let impl = this._impl;
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if (impl) {
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impl.loadURL(url);
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}
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}
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},
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/**
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* !#en The webview's event callback , it will be triggered when certain webview event occurs.
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* !#zh WebView 的回调事件，当网页加载过程中，加载完成后或者加载出错时都会回调此函数
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* @property {Component.EventHandler[]} webviewLoadedEvents
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*/
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webviewEvents: {
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default: [],
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type: cc.Component.EventHandler,
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},
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},
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statics: {
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EventType: EventType,
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// Impl will be overrided in the different platform.
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Impl: WebViewImpl
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},
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ctor () {
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this._impl = new WebView.Impl();
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},
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onRestore () {
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if (!this._impl) {
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this._impl = new WebView.Impl();
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}
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},
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onEnable () {
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let impl = this._impl;
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impl.createDomElementIfNeeded(this.node.width, this.node.height);
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if (!CC_EDITOR) {
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impl.setEventListener(EventType.LOADED, this._onWebViewLoaded.bind(this));
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impl.setEventListener(EventType.LOADING, this._onWebViewLoading.bind(this));
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impl.setEventListener(EventType.ERROR, this._onWebViewLoadError.bind(this));
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}
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impl.loadURL(this._url);
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impl.setVisible(true);
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},
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onDisable () {
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let impl = this._impl;
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impl.setVisible(false);
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if (!CC_EDITOR) {
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impl.setEventListener(EventType.LOADED, emptyCallback);
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impl.setEventListener(EventType.LOADING, emptyCallback);
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impl.setEventListener(EventType.ERROR, emptyCallback);
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}
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},
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onDestroy () {
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if (this._impl) {
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this._impl.destroy();
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this._impl = null;
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}
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},
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update (dt) {
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if (this._impl) {
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this._impl.updateMatrix(this.node);
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}
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},
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_onWebViewLoaded () {
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cc.Component.EventHandler.emitEvents(this.webviewEvents, this, EventType.LOADED);
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this.node.emit('loaded', this);
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},
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_onWebViewLoading () {
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cc.Component.EventHandler.emitEvents(this.webviewEvents, this, EventType.LOADING);
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this.node.emit('loading', this);
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return true;
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},
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_onWebViewLoadError () {
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cc.Component.EventHandler.emitEvents(this.webviewEvents, this, EventType.ERROR);
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this.node.emit('error', this);
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},
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/**
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* !#en
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* Set javascript interface scheme (see also setOnJSCallback). <br/>
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* Note: Supports only on the Android and iOS. For HTML5, please refer to the official documentation.<br/>
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* Please refer to the official documentation for more details.
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* !#zh
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* 设置 JavaScript 接口方案（与 'setOnJSCallback' 配套使用）。<br/>
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* 注意：只支持 Android 和 iOS ，Web 端用法请前往官方文档查看。<br/>
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* 详情请参阅官方文档
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* @method setJavascriptInterfaceScheme
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* @param {String} scheme
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*/
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setJavascriptInterfaceScheme (scheme) {
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if (this._impl) {
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this._impl.setJavascriptInterfaceScheme(scheme);
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}
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},
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/**
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* !#en
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* This callback called when load URL that start with javascript
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* interface scheme (see also setJavascriptInterfaceScheme). <br/>
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* Note: Supports only on the Android and iOS. For HTML5, please refer to the official documentation.<br/>
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* Please refer to the official documentation for more details.
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* !#zh
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* 当加载 URL 以 JavaScript 接口方案开始时调用这个回调函数。<br/>
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* 注意：只支持 Android 和 iOS，Web 端用法请前往官方文档查看。
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* 详情请参阅官方文档
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* @method setOnJSCallback
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* @param {Function} callback
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*/
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setOnJSCallback (callback) {
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if (this._impl) {
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this._impl.setOnJSCallback(callback);
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}
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},
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/**
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* !#en
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* Evaluates JavaScript in the context of the currently displayed page. <br/>
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* Please refer to the official document for more details <br/>
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* Note: Cross domain issues need to be resolved by yourself <br/>
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* !#zh
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* 执行 WebView 内部页面脚本（详情请参阅官方文档） <br/>
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* 注意：需要自行解决跨域问题
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* @method evaluateJS
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* @param {String} str
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*/
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evaluateJS (str) {
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if (this._impl) {
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this._impl.evaluateJS(str);
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}
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},
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});
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cc.WebView = module.exports = WebView;
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/**
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* !#en
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* Note: This event is emitted from the node to which the component belongs.
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* !#zh
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* 注意：此事件是从该组件所属的 Node 上面派发出来的，需要用 node.on 来监听。
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* @event loaded
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* @param {Event.EventCustom} event
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* @param {WebView} webView - The WebView component.
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*/
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/**
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* !#en
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* Note: This event is emitted from the node to which the component belongs.
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* !#zh
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* 注意：此事件是从该组件所属的 Node 上面派发出来的，需要用 node.on 来监听。
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* @event loading
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* @param {Event.EventCustom} event
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* @param {WebView} webView - The WebView component.
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*/
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/**
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* !#en
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* Note: This event is emitted from the node to which the component belongs.
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* !#zh
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* 注意：此事件是从该组件所属的 Node 上面派发出来的，需要用 node.on 来监听。
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* @event error
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* @param {Event.EventCustom} event
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* @param {WebView} webView - The WebView component.
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*/
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/**
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* !#en if you don't need the WebView and it isn't in any running Scene, you should
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* call the destroy method on this component or the associated node explicitly.
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* Otherwise, the created DOM element won't be removed from web page.
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* !#zh
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* 如果你不再使用 WebView，并且组件未添加到场景中，那么你必须手动对组件或所在节点调用 destroy。
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* 这样才能移除网页上的 DOM 节点，避免 Web 平台内存泄露。
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* @example
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* webview.node.parent = null; // or webview.node.removeFromParent(false);
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* // when you don't need webview anymore
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* webview.node.destroy();
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* @method destroy
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* @return {Boolean} whether it is the first time the destroy being called
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*/
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