/// <inheritdoc cref="IFrame.WaitForFunctionAsync(string, WaitForFunctionOptions, object[])"/>
public Task <IJSHandle> WaitForFunctionAsync(string pageFunction, WaitForFunctionOptions options = null, params object[] args)
{
options ??= new WaitForFunctionOptions {
Timeout = Page.DefaultTimeout
};
var task = Dom.GetWaitForFunctionTask(null, pageFunction, options, args);
return(ScheduleRerunnableTaskAsync(task, ContextType.Main, options.Timeout, $"Function \"{pageFunction}\""));
}
/// <inheritdoc cref="IFrame.WaitForSelectorEvaluateAsync(string, string, WaitForFunctionOptions, object[])"/>
public async Task <IJSHandle> WaitForSelectorEvaluateAsync(string selector, string pageFunction, WaitForFunctionOptions options = null, params object[] args)
{
options ??= new WaitForFunctionOptions {
Timeout = Page.DefaultTimeout
};
var task = Dom.GetWaitForFunctionTask(selector, pageFunction, options, args);
return(await ScheduleRerunnableTaskAsync(task, ContextType.Main, options.Timeout).ConfigureAwait(false));
}
private async Task <ElementHandle> WaitForSelectorInUtilityContextAsync(string selector, WaitForOption waitFor, int?timeout)
{
var task = Dom.GetWaitForSelectorFunction(selector, waitFor, timeout);
var result = await ScheduleRerunnableTaskAsync(task, ContextType.Utility, timeout, $"selector \"{SelectorToString(selector, waitFor)}\"").ConfigureAwait(false);
if (!(result is ElementHandle))
{
await result.DisposeAsync().ConfigureAwait(false);
return(null);
}
return(result as ElementHandle);
}
public async Task <IElementHandle> QuerySelectorAsync(string selector, IElementHandle scope = null)
{
var handle = await EvaluateHandleAsync(
"(injected, selector, scope) => injected.querySelector(selector, scope || document)",
await GetInjectedAsync().ConfigureAwait(false),
Dom.NormalizeSelector(selector),
scope).ConfigureAwait(false);
if (!(handle is ElementHandle))
{
await handle.DisposeAsync().ConfigureAwait(false);
}
return(handle as ElementHandle);
}
internal async Task <JSHandle> QuerySelectorArrayAsync(string selector, ElementHandle scope = null)
=> await EvaluateHandleAsync(
"(injected, selector, scope) => injected.querySelectorAll(selector, scope || document)",
await GetInjectedAsync().ConfigureAwait(false),
Dom.NormalizeSelector(selector),
scope).ConfigureAwait(false);
