private async Task <PPError> FollowRedirectAsyncCore(MessageLoop messageLoop = null) { var tcs = new TaskCompletionSource <PPError>(); EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); }; try { HandleRedirect += handler; if (MessageLoop == null && messageLoop == null) { FollowRedirect(); } else { Action <PPError> action = new Action <PPError>((e) => { var result = (PPError)PPBURLLoader.FollowRedirect(this, new BlockUntilComplete()); tcs.TrySetResult(result); } ); InvokeHelper(action, messageLoop); } return(await tcs.Task); } catch (Exception exc) { Console.WriteLine(exc.Message); tcs.SetException(exc); return(PPError.Aborted); } finally { HandleRedirect -= handler; } }
/// <summary> /// This function can be invoked to follow a redirect after Open() completed on receiving redirect headers. /// </summary> /// <returns>Error code.</returns> public PPError FollowRedirect() => (PPError)PPBURLLoader.FollowRedirect(this, new CompletionCallback(OnRedirect));