public async Task <WebPoint> ScrollElementRegionIntoView(string elementId, WebRect region, bool center, string clickableElementId = null, CancellationToken cancellationToken = new CancellationToken())
{
var regionOffset = await ScrollElementRegionIntoViewHelper(elementId, region, center, clickableElementId, cancellationToken);
if (Session?.Frames?.Any() == true)
{
var func =
"function(xpath) {" +
" return document.evaluate(xpath, document, null," +
" XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;" +
"}";
foreach (var frame in Session.Frames)
{
var args = $"\"//*[@cd_frame_id_ = '{frame.CromeFrameId}']\"";
var res = await webView.CallFunction(func, args);
//todo
var frameElementId = res.Result?.Value?.ToString();
var border = await GetElementBorder(frameElementId, cancellationToken);
var regionOffset2 = region.Offset(border.X, border.Y);
var location = await ScrollElementRegionIntoViewHelper(frameElementId, new WebRect(regionOffset, region.Size()), center, frameElementId, cancellationToken);
return(location);
}
}
return(regionOffset);
}
public async Task <WebPoint> ScrollElementRegionIntoViewHelper(string elementId, WebRect region, bool center = true, string clickableElementId = null, CancellationToken cancellationToken = new CancellationToken())
{
var res = await webView.CallFunction(atoms.GET_LOCATION_IN_VIEW, $"{{\"{GetElementKey()}\":\"{elementId}\"}}, {center.ToString().ToLower()}, {WebRectToJsonString(region)}", null, true, false, cancellationToken);
var location = ResultValueConverter.ToWebPoint(res?.Result?.Value);
if (clickableElementId != null)
{
var middle = location.Offset(region.Width / 2, region.Height / 2);
var isClickable = await VerifyElementClickable(clickableElementId, middle);
if (!isClickable)
{
return(null);
}
}
return(location);
}
public string ElementJsonString(WebRect elementId)
{
return($"{{\"{GetElementKey()}\":\"{elementId}\"}}");
}
public string WebRectToJsonString(WebRect rect)
{
return($"{{\"left\": {rect.X}, \"top\": {rect.Y}, \"width\": {rect.Width}, \"height\": {rect.Height} }}");
}