public static void Register(this RpcServer server, String procedure)
{
Log.Trace("RpcBroker.Register");
if (String.IsNullOrWhiteSpace(procedure))
{
throw new ArgumentException("procedure");
}
if (s_serverMethods.TryAdd(procedure, server) == false)
{
throw new InvalidOperationException("Procedure '" + procedure + "' has already been registered");
}
}
public static void Unregister(this RpcServer server, String procedure)
{
Log.Trace("RpcBroker.Unregister");
if (String.IsNullOrWhiteSpace(procedure))
{
throw new ArgumentException("procedure");
}
RpcServer unused;
if (s_serverMethods.TryRemove(procedure, out unused) == false)
{
throw new InvalidOperationException("Procedure '" + procedure + "' has is not registered");
}
}
public static void SendReply(this RpcServer server, Message reply)
{
Log.Trace("RpcBroker.SendReply");
var processMessage = CefProcessMessage.Create(reply.Token);
processMessage.Arguments.SetString(0, reply.Token);
processMessage.Arguments.SetString(1, reply.Procedure);
if (reply.Data != null)
{
processMessage.Arguments.SetList(2, reply.Data.AsCefListValue());
}
else
{
processMessage.Arguments.SetList(2, CefListValue.Create());
}
server.Browser.SendProcessMessage(CefProcessId.Browser, processMessage);
}
protected override void OnContextCreated(CefBrowser browser, CefFrame frame, CefV8Context context)
{
if (frame.IsMain == false)
{
base.OnContextCreated(browser, frame, context);
return;
}
Log.Trace("RenderProcessHandler.OnContextCreated( browser: {0}, frame: {1} )",
browser.Identifier,
frame.Identifier);
m_javascriptInvokeServer = new RpcServer(browser, "javascript:invoke");
m_javascriptInvokeServer.RequestHandler = request =>
{
var function = request[0] as String ?? "";
var arguments = request[1] as Object[] ?? new Object[0];
var ctx = m_javascriptInvokeServer.Browser.GetMainFrame().V8Context;
if (ctx.Enter() == false)
{
throw new InvalidOperationException("Could not acquire the V8 context");
}
JSValue result;
try
{
var global = ctx.GetGlobal();
var func = global.GetValue(function);
var rawArgs = (Object[])(new JSValue(arguments).Value);
var v8Args = rawArgs.Select(arg => new JSValue(arg).AsV8Value()).ToArray();
var v8Return = func.ExecuteFunctionWithContext(ctx, global, v8Args);
result = new JSValue(v8Return);
}
finally
{
ctx.Exit();
}
return(result);
};
m_javascriptEvalServer = new RpcServer(browser, "javascript:eval");
m_javascriptEvalServer.RequestHandler = request =>
{
var eval = request[0] as String ?? "";
var ctx = m_javascriptEvalServer.Browser.GetMainFrame().V8Context;
if (ctx.Enter() == false)
{
throw new InvalidOperationException("Could not acquire the V8 context");
}
try
{
var global = ctx.GetGlobal();
var func = global.GetValue("eval");
func.ExecuteFunctionWithContext(ctx, global, new[] { CefV8Value.CreateString(eval) });
}
finally
{
ctx.Exit();
}
return(null);
};
base.OnContextCreated(browser, frame, context);
}
