public void PollElements(ElementIdentifier identifier, HtmlElement relativeTo, TimeSpan timeout, Action <List <HtmlElement> > callback)
{
//Make initial pass at finding element synchronously (in case element is there, don't waste time starting a task)
List <HtmlElement> results = FindElements(identifier, relativeTo);
if (results.Count > 0)
{
callback(results);
return;
}
//If initial pass returns nothing, start polling task
Task.Factory.StartNew(() =>
{
DateTime start = DateTime.Now;
bool stop = false;
while (!stop)
{
ThreadingUtils.InvokeControlAction(Browser, ctl =>
{
List <HtmlElement> pollResults = FindElements(identifier, relativeTo);
if (pollResults.Count > 0 || DateTime.Now.Subtract(start) >= timeout)
{
stop = true;
callback(pollResults);
}
});
Thread.Sleep(100);
}
});
}
public ElementIdentifier RelativeTo(ElementIdentifier baseElement)
{
if (baseElement != null)
{
ElementIdentifier relative = new ElementIdentifier();
Dictionary <string, string> baseAnchorDictionary = baseElement.ToAnchorDictionary();
Dictionary <string, string> targetAnchorDictionary = this.ToAnchorDictionary();
foreach (string baseAnchor in baseAnchorDictionary.Keys)
{
string basePath = baseAnchorDictionary[baseAnchor];
string targetPath;
if (targetAnchorDictionary.TryGetValue(baseAnchor, out targetPath))
{
string[] baseParts = basePath.Split('/');
string[] targetParts = targetPath.Split('/');
string relativePath;
if (baseParts.Length == targetParts.Length)
{
relativePath = ".";
}
else
{
relativePath = String.Join("/", targetParts, baseParts.Length, targetParts.Length - baseParts.Length);
}
relativePath = String.Format("/{0}", relativePath);
relative.Identifiers.Add(relativePath);
//We only need one path here relative to the base because all paths relative to base paths of matching anchors will be the same.
return(relative);
}
}
}
return(null);
}
public ElementIdentifier Copy()
{
ElementIdentifier copy = new ElementIdentifier();
copy.Identifiers.AddRange(this.Identifiers);
return(copy);
}
public static ElementIdentifier FromHtmlElement(HtmlElement element)
{
ElementIdentifier identifier = new ElementIdentifier();
zBuildElementPaths(element, identifier.Identifiers);
return(identifier);
}
public static ElementIdentifier Copy(ElementIdentifier original)
{
if (original != null)
{
return(original.Copy());
}
return(null);
}
public ElementIdentifier AbsoluteTo(ElementIdentifier baseElement)
{
if (baseElement != null)
{
ElementIdentifier absolute = new ElementIdentifier();
string relativePath = this.PrimaryIdentifier;
foreach (string identifier in baseElement.Identifiers)
{
absolute.Identifiers.Add(String.Format("{0}{1}", identifier, relativePath));
}
return(absolute);
}
return(null);
}
public ElementIdentifier RemoveSelector()
{
ElementIdentifier selectorRemoved = new ElementIdentifier();
foreach (string identifier in Identifiers)
{
if (!identifier.EndsWith(zGetAnchor(identifier)))
{
int lastSlashIndex = identifier.LastIndexOf('/');
int lastBracketIndex = identifier.LastIndexOf('[');
selectorRemoved.Identifiers.Add(lastBracketIndex > lastSlashIndex ? identifier.Remove(lastBracketIndex) : identifier);
}
}
return(selectorRemoved);
}
public ElementIdentifier GetParent()
{
ElementIdentifier parent = new ElementIdentifier();
foreach (string identifier in Identifiers)
{
string[] parts = identifier.Split(new char[] { '/' });
if (parts.Length > 1 && parts[parts.Length - 2] != String.Empty)
{
string parentPath = String.Join("/", parts, 0, parts.Length - 1);
parent.Identifiers.Add(parentPath);
}
}
return(parent);
}
public List <HtmlElement> FindElements(ElementIdentifier identifier, HtmlElement relativeTo)
{
List <HtmlElement> results = new List <HtmlElement>();
HtmlElement baseElement = relativeTo;
if (baseElement == null)
{
baseElement = m_Browser.Document != null ? m_Browser.Document.Body : null;
}
//Double slashes (//) will result in a blank array entry. zRecursiveFindElements will treat the empty entry as a descendant indicator.
//The first blank element of the array is skipped, which is why the array index starts at 1.
foreach (string path in identifier.Identifiers)
{
string[] pathArray = path.Split(new char[] { '/' }, StringSplitOptions.None);
zRecursiveFindElements(pathArray, 1, baseElement, results);
if (results.Count > 0)
{
break;
}
}
return(results);
}
public void PollElements(ElementIdentifier identifier, HtmlElement relativeTo, Action <List <HtmlElement> > callback)
{
PollElements(identifier, relativeTo, m_DefaultPollingTimeout, callback);
}
public void PollElements(ElementIdentifier identifier, TimeSpan timeout, Action <List <HtmlElement> > callback)
{
PollElements(identifier, null, timeout, callback);
}
public void PollElement(ElementIdentifier identifier, HtmlElement relativeTo, TimeSpan timeout, Action <HtmlElement> callback)
{
PollElements(identifier, relativeTo, timeout, (elementList) => callback(elementList.SingleOrDefault()));
}
public void PollElement(ElementIdentifier identifier, Action <HtmlElement> callback)
{
PollElement(identifier, m_DefaultPollingTimeout, callback);
}
public List <HtmlElement> FindElements(ElementIdentifier identifier)
{
return(FindElements(identifier, null));
}
public HtmlElement FindElement(ElementIdentifier identifier, HtmlElement relativeTo)
{
return(FindElements(identifier, relativeTo).SingleOrDefault());
}
public HtmlElement FindElement(ElementIdentifier identifier)
{
return(FindElement(identifier, null));
}