internal Callback(CefMessageRouterBrowserSide router, int browserId, long queryId, bool persistent)
{
_router = router;
_browserId = browserId;
_queryId = queryId;
_persistent = persistent;
}
/// <summary>
/// Notify the associated JavaScript onFailure callback that the query has
/// failed with the specified |error_code| and |error_message|.
/// </summary>
public void Failure(int errorCode, string errorMessage)
{
if (!CefRuntime.CurrentlyOn(CefThreadId.UI))
{
// Must execute on the UI thread to access member variables.
Helpers.PostTask(CefThreadId.UI,
Helpers.Apply(this.Failure, errorCode, errorMessage)
);
return;
}
if (_router != null)
{
Helpers.PostTaskUncertainty(CefThreadId.UI,
Helpers.Apply(_router.OnCallbackFailure, _browserId, _queryId, errorCode, errorMessage)
);
// Failure always invalidates the callback.
_router = null;
}
}
/// <summary>
/// Notify the associated JavaScript onSuccess callback that the query has
/// completed successfully with the specified |response|.
/// </summary>
public void Success(string response)
{
if (!CefRuntime.CurrentlyOn(CefThreadId.UI))
{
Helpers.PostTask(CefThreadId.UI,
Helpers.Apply(this.Success, response)
);
return;
}
if (_router != null)
{
Helpers.PostTaskUncertainty(CefThreadId.UI,
Helpers.Apply(_router.OnCallbackSuccess, _browserId, _queryId, response)
);
if (!_persistent)
{
// Non-persistent callbacks are only good for a single use.
_router = null;
}
}
}
internal void Detach()
{
Helpers.RequireUIThread();
_router = null;
}