internal WaitTask(Frame frame, string predicateBody, WaitForFunctionPollingOption polling, int?pollingInterval, int timeout, object[] args)
{
if (string.IsNullOrEmpty(predicateBody))
{
throw new ArgumentNullException(nameof(predicateBody));
}
if (pollingInterval <= 0)
{
throw new ArgumentOutOfRangeException(nameof(pollingInterval), "Cannot poll with non-positive interval");
}
_frame = frame;
_predicateBody = $"return ( {predicateBody} )(...args)";
_polling = polling;
_pollingInterval = pollingInterval;
_timeout = timeout;
_args = args;
frame.WaitTasks.Add(this);
_taskCompletion = new TaskCompletionSource <JSHandle>();
_cts = new CancellationTokenSource();
_timeoutTimer = System.Threading.Tasks.Task.Delay(timeout, _cts.Token).ContinueWith(_
=> Termiante(new PuppeteerException($"waiting failed: timeout {timeout}ms exceeded")));
Rerun();
}
internal WaitTask(
DOMWorld world,
string predicateBody,
bool isExpression,
string title,
WaitForFunctionPollingOption polling,
int?pollingInterval,
int timeout,
object[] args = null)
{
if (string.IsNullOrEmpty(predicateBody))
{
throw new ArgumentNullException(nameof(predicateBody));
}
if (pollingInterval <= 0)
{
throw new ArgumentOutOfRangeException(nameof(pollingInterval), "Cannot poll with non-positive interval");
}
_world = world;
_predicateBody = isExpression ? $"return ({predicateBody})" : $"return ({predicateBody})(...args)";
_polling = polling;
_pollingInterval = pollingInterval;
_timeout = timeout;
_args = args ?? Array.Empty <object>();
_title = title;
_cts = new CancellationTokenSource();
_taskCompletion = new TaskCompletionSource <JSHandle>(TaskCreationOptions.RunContinuationsAsynchronously);
_world.WaitTasks.Add(this);
if (timeout > 0)
{
_timeoutTimer = System.Threading.Tasks.Task.Delay(timeout, _cts.Token)
.ContinueWith(
_ => Terminate(new WaitTaskTimeoutException(timeout, title)),
TaskScheduler.Default);
}
_ = Rerun();
}
internal WaitTask(
Frame frame,
string predicateBody,
bool isExpression,
string title,
WaitForFunctionPollingOption polling,
int?pollingInterval,
int timeout,
object[] args = null)
{
if (string.IsNullOrEmpty(predicateBody))
{
throw new ArgumentNullException(nameof(predicateBody));
}
if (pollingInterval <= 0)
{
throw new ArgumentOutOfRangeException(nameof(pollingInterval), "Cannot poll with non-positive interval");
}
_frame = frame;
_predicateBody = isExpression ? $"return {predicateBody}" : $"return ( {predicateBody} )(...args)";
_polling = polling;
_pollingInterval = pollingInterval;
_timeout = timeout;
_args = args ?? new object[] { };
_title = title;
frame.WaitTasks.Add(this);
_taskCompletion = new TaskCompletionSource <JSHandle>();
_cts = new CancellationTokenSource();
if (timeout > 0)
{
_timeoutTimer = System.Threading.Tasks.Task.Delay(timeout, _cts.Token).ContinueWith(_
=> Termiante(new WaitTaskTimeoutException(timeout, title)));
}
Rerun();
}
