Files
jrshikoku/GeneralWebView.tsx

60 lines
2.0 KiB
TypeScript

import React, { CSSProperties } from "react";
import { Alert, BackHandler, View, ViewProps } from "react-native";
import { WebView } from "react-native-webview";
import { BigButton } from "./components/atom/BigButton";
import { useFocusEffect, useNavigation } from "@react-navigation/native";
export default ({ route }) => {
if (!route.params) {
return null;
}
const { uri, useExitButton = true } = route.params;
const { goBack } = useNavigation();
const webViewRef = React.useRef<WebView>(null);
const [canGoBack, setCanGoBack] = React.useState(false);
useFocusEffect(
React.useCallback(() => {
const onHardwareBack = () => {
if (canGoBack) {
webViewRef.current?.goBack();
return true;
}
goBack();
return true;
};
BackHandler.addEventListener("hardwareBackPress", onHardwareBack);
return () => BackHandler.removeEventListener("hardwareBackPress", onHardwareBack);
}, [canGoBack, goBack])
);
return (
<View style={styles}>
<WebView
source={{ uri }}
allowsBackForwardNavigationGestures
ref={webViewRef}
onNavigationStateChange={(navState) => {
setCanGoBack(navState.canGoBack);
if (navState.url === "https://unyohub.2pd.jp/integration/succeeded.php") {
goBack();
Alert.alert("鉄道運用HUBへの投稿完了", "運用HUBからのこのアプリへのデータ反映には暫く時間がかかりますので、しばらくお待ちください。", [
{ text: "完了" },
]);
}
}}
onMessage={(event) => {
const { data } = event.nativeEvent;
const { type } = JSON.parse(data);
if (type === "back") return webViewRef.current?.goBack();
if (type === "windowClose") return goBack();
}}
/>
{useExitButton && <BigButton onPress={goBack} string="閉じる" />}
</View>
);
};
const styles: ViewProps["style"] = {
height: "100%",
backgroundColor: "#0099CC",
};