public static TaskAwaiter GetAwaiter(this GoogleDriveRequestYeildInstruction yeildInstruction)
{
var taskCompletionSource = new TaskCompletionSource<object>();
if (yeildInstruction.IsDone) { taskCompletionSource.SetResult(null); }
else { yeildInstruction.OnDoneNonGeneric += () => taskCompletionSource.SetResult(null); }
return (taskCompletionSource.Task as Task).GetAwaiter();
}
/// <summary>
/// Begin communicating with the Google Drive API to execute the request.
/// </summary>
/// <returns>
/// A yeild instruction indicating the progress/completion state of the request.
/// Yield this object to wait until the request <see cref="IsDone"/> or use <see cref="OnDone"/> event.
/// </returns>
public GoogleDriveRequestYeildInstruction <TResponse> Send()
{
if (!IsRunning)
{
yeildInstruction = new GoogleDriveRequestYeildInstruction <TResponse>(this);
SendWebRequest();
}
return(yeildInstruction);
}
/// <summary>
/// Allows awaiting <see cref="GoogleDriveRequest"/> objects in async methods.
/// </summary>
public static TaskAwaiter<TResponse> GetAwaiter<TResponse> (this GoogleDriveRequestYeildInstruction<TResponse> yeildInstruction)
{
var taskCompletionSource = new TaskCompletionSource<TResponse>();
if (yeildInstruction.GoogleDriveRequest.IsDone) { taskCompletionSource.SetResult(yeildInstruction.GoogleDriveRequest.ResponseData); }
else { yeildInstruction.OnDone += responseData => taskCompletionSource.SetResult(responseData); }
return taskCompletionSource.Task.GetAwaiter();
}