private async Task GetVerificationCodeAsync() // js to callback
{
var js = @"var node = document.getElementById('captcha_image');
var src = node.getAttribute('src');
window.external.notify(JSON.stringify(src));";
await InnerWebView.InvokeScriptAsync("eval", new[] { js });
}
/// <summary>
/// insert id and password into webview from popup, and after that, click the submit button.
/// </summary>
/// <param name="user">your cache id</param>
/// <param name="pass">your cache password</param>
/// <returns></returns>
private async Task InsertLoginMessageAsync(string user, string pass, string code = null, bool auto = false)
{
try { // insert js and run it, so that we can insert message into the target place and click the submit button.
var autoToLogin = auto ? "checked" : "";
var newJSFounction = $@"
var node_list = document.getElementsByTagName('input');
for (var i = 0; i < node_list.length; i++) {"{"}
var node = node_list[i];
if (node.getAttribute('type') == 'submit')
node.click();
if (node.id == 'email')
node.innerText = '{user}';
if (node.id == 'password')
node.innerText = '{pass}';
if (node.name == 'form_email')
node.setAttribute('value', '{user}');
if (node.name == 'form_password')
node.setAttribute('value', '{pass}');
if (node.id == 'captcha_field')
node.innerText = '{code}';
if (node.id == 'remember')
node.setAttribute('checked', '{autoToLogin}');
{"}"} ";
await InnerWebView.InvokeScriptAsync("eval", new[] { newJSFounction });
} catch (Exception) { // if any error throws, reset the UI and report errer.
Submit.IsEnabled = true;
SubitRing.IsActive = false;
ReportHelper.ReportAttentionAsync("Error");
}
}
/// <summary>
/// send message to windows so that we can get message of login-success whether or not.
/// </summary>
/// <returns></returns>
private async Task AskWebViewToCallbackAsync() // js to callback
{
var js = @"window.external.notify(
JSON.stringify(
new Array (
document.body.innerText,
document.body.innerHTML)));";
await InnerWebView.InvokeScriptAsync("eval", new[] { js });
}