77 lines
1.8 KiB
Haxe
77 lines
1.8 KiB
Haxe
package funkin.mobile.util;
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#if FEATURE_MOBILE_WEBVIEW
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import extension.webviewcore.WebView;
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/**
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* Provides utility functions for working with WebView.
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*/
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class WebViewUtil
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{
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/**
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* Initializes the WebView.
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*/
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public static function init():Void
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{
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WebView.init();
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}
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/**
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* Opens a URL in a WebView if one is not already open.
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*
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* @param url The URL to open. If the protocol is missing, 'https://' is prepended.
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* Only 'http' and 'https' protocols are allowed; otherwise, an error is thrown.
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* @param onCloseButtonPressed Optional callback function to be called when the WebView's close button is pressed.
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*
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* If the WebView is already open, this function does nothing.
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*/
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public static function openURL(url:String, ?onCloseButtonPressed:Void->Void):Void
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{
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if (!WebView.isOpened())
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{
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var protocol:Array<String> = url.split("://");
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if (protocol.length == 1)
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{
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url = 'https://${url}';
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}
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else if (protocol[0] != 'http' && protocol[0] != 'https')
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{
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throw "openURL can only open http and https links.";
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}
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function onButtonClicked():Void
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{
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WebViewUtil.close();
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if (onCloseButtonPressed != null)
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{
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onCloseButtonPressed();
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}
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}
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WebView.onCloseButtonClicked.add(onButtonClicked);
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WebView.openWithURL(url, false, true);
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}
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}
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/**
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* Closes the currently opened WebView if it is open.
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*
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* This function checks if the WebView is currently opened.
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*
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* If so, it removes all listeners from the `onCloseButtonClicked` event to prevent any further callbacks, and then closes the WebView.
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*/
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public static function close():Void
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{
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if (WebView.isOpened())
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{
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WebView.onCloseButtonClicked.removeAll();
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WebView.close();
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}
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}
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}
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#end
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