/// <summary>
/// Dispatch a <see cref="JavaScriptBridgeMessage" />.
/// </summary>
/// <param name="webView">A <see cref="IWebView" /> instance.</param>
/// <param name="javaScriptBridgeMessage">The message.</param>
internal static void DispatchMessage(this IWebView webView, JavaScriptBridgeMessage javaScriptBridgeMessage)
{
var json = javaScriptBridgeMessage?.Serialize();
if (!string.IsNullOrEmpty(json))
{
Trace.WriteLine(
$"Calling {Constants.BridgeJavaScript} JavaScriptBridge.handleNativeMessage",
Constants.TraceName);
Trace.WriteLine(javaScriptBridgeMessage, Constants.TraceName);
// Need to sanitize message sent to bridge
// Escape any single quotes, since that's what we're using
json = json.Replace("'", "\\'");
// Escape any CL/LF
json = json.Replace(Environment.NewLine, "\\\\n");
json = json.Replace("\n", "\\\\n");
var command = $"JavaScriptBridge.handleNativeMessage('{json}');";
// in WPF ensure UI access
webView.TryEvalAsync(command);
}
}
/// <summary>
/// Serializes the specified <paramref name="javaScriptBridgeMessage"/> to JSON.
/// </summary>
/// <param name="javaScriptBridgeMessage">A <see cref="JavaScriptBridgeMessage"/>.</param>
/// <returns>JSON representation of the <paramref name="javaScriptBridgeMessage"/></returns>
public static string Serialize(this JavaScriptBridgeMessage javaScriptBridgeMessage)
{
return(JsonConvert.SerializeObject(javaScriptBridgeMessage, MessageSerializationSettings));
}