public static Task <string> ExecuteScriptAsync(AWebView webview, string script)
{
var jsResult = new JavascriptResult();
webview.EvaluateJavascript(script, jsResult);
return(jsResult.JsResult);
}
async Task <string> OnEvaluateJavaScriptRequested(string script)
{
var jsr = new JavascriptResult();
Control.EvaluateJavascript(script, jsr);
return(await jsr.JsResult.ConfigureAwait(false));
}
Task<string> OnEvaluateJavaScriptRequested(string script)
{
var jsr = new JavascriptResult();
Control.EvaluateJavascript(script, jsr);
return jsr.JsResult;
}
public override void OnPageFinished(WebView view, System.String url)
{
//Parse Site with JavascriptResult class (0 - Text, 1 - Image)
var jsr = new JavascriptResult(0);
view.EvaluateJavascript("document.getElementsByClassName('radioco-nowPlaying')[0].innerText.toString()", jsr);
jsr = new JavascriptResult(1);
view.EvaluateJavascript("document.getElementsByClassName('radioco-image')[0].src.toString()", jsr);
}
public JavascriptResult ExecuteJavaScript(string script)
{
JavascriptResult result = new JavascriptResult();
this.RunOnUiThread(() => {
_webView.EvaluateJavascript(script, result);
});
return(result);
}
async Task <string> OnEvaluateJavaScriptRequested(string script)
{
var jsr = new JavascriptResult();
Device.BeginInvokeOnMainThread(() =>
{
Control?.EvaluateJavascript(script, jsr);
});
var result = await jsr.JsResult;
return(result);
}
public static void EvaluateJavaScript(this AWebView webView, EvaluateJavaScriptAsyncRequest request)
{
try
{
var javaScriptResult = new JavascriptResult();
webView.EvaluateJavascript(request.Script, javaScriptResult);
request.RunAndReport(javaScriptResult.JsResult);
}
catch (Exception ex)
{
request.SetException(ex);
}
}
public override void OnPageFinished(WebView view, System.String url)
{
var jsr = new JavascriptResult(ctx);
//Removes unwanted itmes and sets WebView as visible
view.LoadUrl("javascript:(function() { " +
"document.getElementsByClassName('page-header-block')[0].style.display='none'; })()");
view.LoadUrl("javascript:(function() { " +
"document.getElementsByClassName('radiocontainer')[0].style.display='none'; })()");
view.LoadUrl("javascript:(function() { " +
"document.getElementsByClassName('main-nav main-navigation')[0].style.display='none'; })()");
view.Visibility = ViewStates.Visible;
}
public JavascriptResult Execute(string script, Dictionary <string, object> properties)
{
var result = new JavascriptResult(properties);
var external = new JavascriptExternal(result, WebFileHandler);
var autoResetEvent = new AutoResetEvent(false);
using (var ie = new WebBrowser())
{
ie.ObjectForScripting = external;
ie.DocumentCompleted += DocumentCompleted(autoResetEvent);
var html = GetHtml(script);
ie.DocumentText = html;
while (!autoResetEvent.WaitOne(100))
{
Application.DoEvents();
}
}
return(result);
}
public void LogError(string message, int lineNumber = 0, int column = 0, string filename = null, string line = null)
{
JavascriptResult.LogError(message, lineNumber, column, filename, line);
}
public object Get(string name)
{
return(JavascriptResult.Get(name));
}
public void Set(string name, object value)
{
JavascriptResult.Set(name, value);
}
public JavascriptExternal(JavascriptResult result, IWebFileHandler webFileHandler)
{
JavascriptResult = result;
WebFileHandler = webFileHandler;
}
