application-amicale/src/components/Screens/WebViewScreen.js

107 lines
2.9 KiB
JavaScript

// @flow
import * as React from 'react';
import WebView from "react-native-webview";
import BasicLoadingScreen from "../Custom/BasicLoadingScreen";
import ErrorView from "../Custom/ErrorView";
import {ERROR_TYPE} from "../../utils/WebData";
import MaterialHeaderButtons, {Item} from '../Custom/HeaderButton';
import {HiddenItem} from "react-navigation-header-buttons";
import {Linking} from "expo";
import i18n from 'i18n-js';
type Props = {
navigation: Object,
url: string,
customJS: string,
}
/**
* Class defining a webview screen.
*/
class WebViewScreen extends React.PureComponent<Props> {
static defaultProps = {
customJS: '',
};
webviewRef: Object;
constructor() {
super();
this.webviewRef = React.createRef();
}
/**
* Creates refresh button after mounting
*/
componentDidMount() {
const rightButton = this.getRefreshButton.bind(this);
this.props.navigation.setOptions({
headerRight: rightButton,
});
}
/**
* Gets a header refresh button
*
* @return {*}
*/
getRefreshButton() {
return (
<MaterialHeaderButtons>
<Item
title="refresh"
iconName="refresh"
onPress={this.onRefreshClicked}/>
<HiddenItem
title={i18n.t("general.goBack")}
iconName="arrow-left"
onPress={this.onGoBackClicked}/>
<HiddenItem
title={i18n.t("general.goForward")}
iconName="arrow-right"
onPress={this.onGoForwardClicked}/>
<HiddenItem
title={i18n.t("general.openInBrowser")}
iconName="web"
onPress={this.onOpenClicked}/>
</MaterialHeaderButtons>
);
};
/**
* Callback to use when refresh button is clicked. Reloads the webview.
*/
onRefreshClicked = () => this.webviewRef.current.reload();
onGoBackClicked = () => this.webviewRef.current.goBack();
onGoForwardClicked = () => this.webviewRef.current.goForward();
onOpenClicked = () => Linking.openURL(this.props.url);
/**
* Gets the loading indicator
*
* @return {*}
*/
getRenderLoading = () => <BasicLoadingScreen/>;
render() {
return (
<WebView
ref={this.webviewRef}
source={{uri: this.props.url}}
startInLoadingState={true}
injectedJavaScript={this.props.customJS}
javaScriptEnabled={true}
renderLoading={this.getRenderLoading}
renderError={() => <ErrorView
errorCode={ERROR_TYPE.CONNECTION_ERROR}
onRefresh={this.onRefreshClicked}
/>}
/>
);
}
}
export default WebViewScreen;