private void RunBlazorStartupScripts(AWebView view)
{
// TODO: we need to protect against double initialization because the
// OnPageFinished event refires after the app is brought back from the
// foreground and the webview is brought back into view, without it actually
// getting reloaded.
// Set up JS ports
view.EvaluateJavascript(@"
const channel = new MessageChannel();
var nativeJsPortOne = channel.port1;
var nativeJsPortTwo = channel.port2;
window.addEventListener('message', function (event) {
if (event.data != 'capturePort') {
nativeJsPortOne.postMessage(event.data)
}
else if (event.data == 'capturePort') {
if (event.ports[0] != null) {
nativeJsPortTwo = event.ports[0]
}
}
}, false);
nativeJsPortOne.addEventListener('message', function (event) {
}, false);
nativeJsPortTwo.addEventListener('message', function (event) {
// data from native code to JS
if (window.external.__callback) {
window.external.__callback(event.data);
}
}, false);
nativeJsPortOne.start();
nativeJsPortTwo.start();
window.external.sendMessage = function (message) {
// data from JS to native code
nativeJsPortTwo.postMessage(message);
};
window.external.receiveMessage = function (callback) {
window.external.__callback = callback;
}
", new JavaScriptValueCallback(() =>
{
// Set up Server ports
_webViewHandler?.WebviewManager?.SetUpMessageChannel();
// Start Blazor
view.EvaluateJavascript(@"
Blazor.start();
", new JavaScriptValueCallback(() =>
{
// Done; no more action required
}));
}));
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
view.EvaluateJavascript(string.Format("javascript: {0}", CallBackJavaScriptFunction), null);
view.EvaluateJavascript(string.Format("javascript: {0}", CloseJavaScriptFunction), null);
view.LoadUrl(string.Format("javascript:submitFunction({0})", Record));
}
public static Task <string> ExecuteScriptAsync(AWebView webview, string script)
{
var jsResult = new JavascriptResult();
webview.EvaluateJavascript(script, jsResult);
return(jsResult.JsResult);
}
public override bool ShouldOverrideUrlLoading(Android.Webkit.WebView view, string url)
{
base.ShouldOverrideUrlLoading(view, url);
Console.WriteLine("Current Url: {0}", url);
WebViewPage.CurrentUrl = url;
view.EvaluateJavascript("javascriptFunction()", new JavaScriptResult());
return(false);
}
private void RunBlazorStartupScripts(AWebView view)
{
Log.Info("RunBlazorStartupScripts", "attaching Blazor init script.");
view.EvaluateJavascript(@"
var blazorScript = document.createElement('script');
blazorScript.src = 'framework://blazor.desktop.js';
document.head.appendChild(blazorScript);
", this);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
if (_viewRenderer == null || _viewRenderer.Element == null)
{
return;
}
((IWebViewController)_viewRenderer.Element).CanGoBack = view.CanGoBack();
((IWebViewController)_viewRenderer.Element).CanGoForward = view.CanGoForward();
base.OnPageFinished(view, url);
view.EvaluateJavascript(_javascript, null);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
view.EvaluateJavascript(_javascript, null);
var source = new UrlWebViewSource {
Url = url
};
var args = new WebNavigatedEventArgs(WebNavigationEvent.NewPage, source, url, WebNavigationResult.Success);
_renderer.Element.SendNavigated(args);
openBrowser = false;
}
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);
}
}
//This should be IAsyncOperation<string> instead of Task<string> but we use an extension method to enable the same signature in Win.
//IAsyncOperation is not available in Xamarin.
public async Task <string> InvokeScriptAsync(CancellationToken ct, string script, string[] arguments)
{
var argumentString = ConcatenateJavascriptArguments(arguments);
TaskCompletionSource <string> tcs = new TaskCompletionSource <string>();
ct.Register(() => tcs.TrySetCanceled());
_webView.EvaluateJavascript(
string.Format(CultureInfo.InvariantCulture, "javascript:{0}(\"{1}\");", script, argumentString),
new ScriptResponse(value => tcs.SetResult(value)));
return(await tcs.Task);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
string parameter1 = "string parameter";
int parameter2 = 2;
string script = string.Format("javascript:myJavascriptFunction('{0}','{1}');", parameter1, parameter2);
if (Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat)
{
Device.BeginInvokeOnMainThread(() => view.EvaluateJavascript(script, null));
}
else
{
Device.BeginInvokeOnMainThread(() => view.LoadUrl(script));
}
}
private void RunBlazorStartupScripts(AWebView view)
{
Log.Info("RunBlazorStartupScripts", "attaching Blazor init script.");
// we need to protect against reinsertion of the script tag because the
// OnPageFinished event refires after the app is brought back from the
// foreground and the webview is brought back into view, without it actually
// getting reloaded.
view.EvaluateJavascript(@"
if (document.getElementById('blazorDesktopFrameworkScriptTag') == null)
{
var blazorScript = document.createElement('script');
blazorScript.id = 'blazorDesktopFrameworkScriptTag';
blazorScript.src = 'framework://blazor.desktop.js';
document.head.appendChild(blazorScript);
}
", this);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
String blank = "\"";
string script = string.Format("javascript:func4(" + blank + param.pg.ToString() + blank + "," + /*pg사(inicis 기본)*/
blank + param.pay_method.ToString() + blank + "," + /*결제방법(카드결제기본)*/
blank + param.merchant_uid.ToString() + blank + "," + /*결제시각*/
blank + param.name.ToString() + blank + "," + /*주문한 상품 이름*/
param.amount.ToString() + "," + /* 결제 가격(int)*/
blank + param.buyer_email.ToString() + blank + "," + /*구매자 이메일*/
blank + param.buyer_name.ToString() + blank + "," + /*구매자 이름*/
blank + param.buyer_tel.ToString() + blank + "," + /*구매자 전화번호*/
blank + param.buyer_addr.ToString() + blank + "," + /*구매자 주소*/
blank + param.buyer_postcode.ToString() + blank + ")"); /*구매자 우편번호*/
view.EvaluateJavascript(script, null);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
view.EvaluateJavascript(_javascript, null);
}
public JavaScriptEvaluator(Android.Webkit.WebView webView, string script)
{
webView.EvaluateJavascript(script, this);
}
/// <summary>
/// Metoda se poziva više puta prilikom učitavanja našeg WebViewa te će svaki put pokušati izvršiti funkciju "EvaluateJavascript".
/// Ta funkcija vraća željeni odgovor u trenutku uspješne prijave, u suprotnom ispisuje poruku da ne može pronaći zadanu funkciju "upisiId()"
/// što je normalno jer funkcija nastaje tek nakon uspješne prijave.
/// </summary>
/// <param name="view"></param>
/// <param name="url"></param>
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
view.EvaluateJavascript("javascript:upisiId();", new JavaScriptRezultat());
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
base.OnPageFinished(view, url);
view.EvaluateJavascript("document.body.scrollHeight", this);
}
