private async Task OnExecutionContextCreatedAsync(ContextPayload contextPayload)
{
var frameId = contextPayload.AuxData?.FrameId;
var frame = !string.IsNullOrEmpty(frameId) ? await GetFrameAsync(frameId).ConfigureAwait(false) : null;
DOMWorld world = null;
if (frame != null)
{
if (contextPayload.AuxData?.IsDefault == true)
{
world = frame.MainWorld;
}
else if (contextPayload.Name == UtilityWorldName && !frame.SecondaryWorld.HasContext)
{
// In case of multiple sessions to the same target, there's a race between
// connections so we might end up creating multiple isolated worlds.
// We can use either.
world = frame.SecondaryWorld;
}
}
var context = new ExecutionContext(Client, contextPayload, world);
if (world != null)
{
world.SetContext(context);
}
_contextIdToContext[contextPayload.Id] = context;
}
private async Task OnExecutionContextCreatedAsync(ContextPayload contextPayload)
{
var frameId = contextPayload.AuxData?.FrameId;
var frame = !string.IsNullOrEmpty(frameId) ? await GetFrameAsync(frameId).ConfigureAwait(false) : null;
DOMWorld world = null;
if (frame != null)
{
if (contextPayload.AuxData?.IsDefault == true)
{
world = frame.MainWorld;
}
else if (contextPayload.Name == UtilityWorldName)
{
world = frame.SecondaryWorld;
}
}
if (contextPayload.AuxData?.Type == DOMWorldType.Isolated)
{
_isolatedWorlds.Add(contextPayload.Name);
}
var context = new ExecutionContext(Client, contextPayload, world);
if (world != null)
{
world.SetContext(context);
}
_contextIdToContext[contextPayload.Id] = context;
}
internal ExecutionContext(
CDPSession client,
ContextPayload contextPayload,
DOMWorld world)
{
_client = client;
_contextId = contextPayload.Id;
World = world;
}
internal Frame(FrameManager frameManager, CDPSession client, Frame parentFrame, string frameId)
{
FrameManager = frameManager;
_client = client;
ParentFrame = parentFrame;
Id = frameId;
LifecycleEvents = new List <string>();
MainWorld = new DOMWorld(FrameManager, this, FrameManager.TimeoutSettings);
SecondaryWorld = new DOMWorld(FrameManager, this, FrameManager.TimeoutSettings);
if (parentFrame != null)
{
ParentFrame.AddChildFrame(this);
}
}
internal Frame(FrameManager frameManager, CDPSession client, Frame parentFrame, string frameId)
{
FrameManager = frameManager;
_client = client;
ParentFrame = parentFrame;
Id = frameId;
if (parentFrame != null)
{
ParentFrame.ChildFrames.Add(this);
}
WaitTasks = new List <WaitTask>();
LifecycleEvents = new List <string>();
_mainWorld = new DOMWorld(FrameManager, this);
}
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();
}
