150 lines
3.8 KiB
JavaScript
150 lines
3.8 KiB
JavaScript
// @flow
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import * as React from 'react';
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import {View} from 'react-native';
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import WebView from "react-native-webview";
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import ThemeManager from "../utils/ThemeManager";
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import {ActivityIndicator} from 'react-native-paper';
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import HeaderButton from "./HeaderButton";
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type Props = {
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navigation: Object,
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data: Array<{
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url: string,
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icon: string,
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name: string,
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customJS: string
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}>,
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headerTitle: string,
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hasHeaderBackButton: boolean,
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hasSideMenu: boolean,
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hasFooter: boolean,
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}
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/**
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* Class defining a webview screen.
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*/
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export default class WebViewScreen extends React.Component<Props> {
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static defaultProps = {
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hasBackButton: false,
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hasSideMenu: true,
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hasFooter: true,
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};
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webviewArray: Array<WebView> = [];
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onRefreshClicked: Function;
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onWebviewRef: Function;
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onGoBackWebview: Function;
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onGoForwardWebview: Function;
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onOpenWebLink: Function;
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constructor() {
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super();
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this.onRefreshClicked = this.onRefreshClicked.bind(this);
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this.onWebviewRef = this.onWebviewRef.bind(this);
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this.onGoBackWebview = this.onGoBackWebview.bind(this);
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this.onGoForwardWebview = this.onGoForwardWebview.bind(this);
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this.onOpenWebLink = this.onOpenWebLink.bind(this);
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}
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componentDidMount() {
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const rightButton = this.getRefreshButton.bind(this);
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this.props.navigation.setOptions({
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headerRight: rightButton,
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});
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}
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getHeaderButton(clickAction: Function, icon: string) {
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return (
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<HeaderButton icon={icon} onPress={clickAction}/>
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);
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}
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getRefreshButton() {
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return (
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<View style={{
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flexDirection: 'row',
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marginRight: 10
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}}>
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{this.getHeaderButton(this.onRefreshClicked, 'refresh')}
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</View>
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);
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};
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onRefreshClicked() {
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for (let view of this.webviewArray) {
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if (view !== null)
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view.reload();
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}
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}
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onGoBackWebview() {
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for (let view of this.webviewArray) {
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if (view !== null)
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view.goBack();
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}
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}
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onGoForwardWebview() {
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for (let view of this.webviewArray) {
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if (view !== null)
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view.goForward();
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}
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}
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onOpenWebLink() {
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this.openWebLink(this.props.data[0]['url'])
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}
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onWebviewRef(ref: WebView) {
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this.webviewArray.push(ref)
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}
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getRenderLoading() {
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return (
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<View style={{
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backgroundColor: ThemeManager.getCurrentThemeVariables().background,
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position: 'absolute',
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top: 0,
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right: 0,
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width: '100%',
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height: '100%',
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flex: 1,
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alignItems: 'center',
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justifyContent: 'center'
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}}>
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<ActivityIndicator
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animating={true}
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size={'large'}
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color={ThemeManager.getCurrentThemeVariables().primary}/>
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</View>
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);
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}
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getWebview(obj: Object) {
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return (
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<WebView
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ref={this.onWebviewRef}
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source={{uri: obj['url']}}
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style={{
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width: '100%',
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height: '100%',
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}}
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startInLoadingState={true}
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injectedJavaScript={obj['customJS']}
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javaScriptEnabled={true}
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renderLoading={this.getRenderLoading}
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/>
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);
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}
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render() {
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// console.log("rendering WebViewScreen");
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this.webviewArray = [];
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return (
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this.getWebview(this.props.data[0])
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);
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}
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}
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