protected string GetAllText(AccessibilityNodeInfo node)
{
if (node == null)
{
return("{ }");
}
StringBuilder log = new StringBuilder("{");
log.Append($"\"id\" : \"{node.ViewIdResourceName}\", \"text\" : \"{node.Text}\", \"children\" : [");
for (int i = 0; i < node.ChildCount - 1; ++i)
{
string child = GetAllText(node.GetChild(i));
log.Append(child).Append(",");
}
if (node.ChildCount != 0)
{
string child = GetAllText(node.GetChild(node.ChildCount - 1));
log.Append(child);
}
return(log.Append("] }").ToString());
}
private NodeList GetWindowNodes(AccessibilityNodeInfo n, AccessibilityEvent e,
Func <AccessibilityNodeInfo, bool> condition, bool disposeIfUnused, NodeList nodes = null)
{
if (nodes == null)
{
nodes = new NodeList();
}
if (n != null)
{
var dispose = disposeIfUnused;
if (n.WindowId == e.WindowId && !(n.ViewIdResourceName?.StartsWith(SystemUiPackage) ?? false) && condition(n))
{
dispose = false;
nodes.Add(n);
}
for (var i = 0; i < n.ChildCount; i++)
{
GetWindowNodes(n.GetChild(i), e, condition, true, nodes);
}
if (dispose)
{
n.Dispose();
}
}
return(nodes);
}
protected bool Back(AccessibilityNodeInfo root)
{
AccessibilityNodeInfo toolbar = root.FindAccessibilityNodeInfosByViewId(TOOLBAR_ID).FirstOrDefault();
if (toolbar == null || toolbar.ChildCount < TOOLBAR_CHILDREN_MIN_COUNT)
{
return(false);
}
AccessibilityNodeInfo backButton = toolbar.GetChild(TOOLBAR_BACK_BUTTON_NUM);
return(Click(backButton));
}
public static NodeList GetWindowNodes(AccessibilityNodeInfo n, AccessibilityEvent e,
Func <AccessibilityNodeInfo, bool> condition, bool disposeIfUnused, NodeList nodes = null,
int recursionDepth = 0)
{
if (nodes == null)
{
nodes = new NodeList();
}
var dispose = disposeIfUnused;
if (n != null && recursionDepth < 100)
{
var add = n.WindowId == e.WindowId &&
!(n.ViewIdResourceName?.StartsWith(SystemUiPackage) ?? false) &&
condition(n);
if (add)
{
dispose = false;
nodes.Add(n);
}
for (var i = 0; i < n.ChildCount; i++)
{
var childNode = n.GetChild(i);
if (childNode == null)
{
continue;
}
else if (i > 100)
{
Android.Util.Log.Info(BitwardenTag, "Too many child iterations.");
break;
}
else if (childNode.GetHashCode() == n.GetHashCode())
{
Android.Util.Log.Info(BitwardenTag, "Child node is the same as parent for some reason.");
}
else
{
GetWindowNodes(childNode, e, condition, true, nodes, recursionDepth++);
}
}
}
if (dispose)
{
n?.Recycle();
n?.Dispose();
}
return(nodes);
}
private IEnumerable <AccessibilityNodeInfo> GetNodeOrChildren(AccessibilityNodeInfo n, Func <AccessibilityNodeInfo, bool> p)
{
if (n != null)
{
if (p(n))
{
yield return(n);
}
for (int i = 0; i < n.ChildCount; i++)
{
foreach (var x in GetNodeOrChildren(n.GetChild(i), p))
{
yield return(x);
}
}
}
}
private IEnumerable <AccessibilityNodeInfo> GetWindowNodes(AccessibilityNodeInfo n,
AccessibilityEvent e, Func <AccessibilityNodeInfo, bool> p)
{
if (n != null)
{
if (n.WindowId == e.WindowId && !(n.ViewIdResourceName?.StartsWith(SystemUiPackage) ?? false) && p(n))
{
yield return(n);
}
for (int i = 0; i < n.ChildCount; i++)
{
foreach (var node in GetWindowNodes(n.GetChild(i), e, p))
{
yield return(node);
}
}
}
}
public override async void ProcessEvent(AccessibilityEvent e)
{
try
{
DateTime start = DateTime.Now;
if (BotService.StateService.StateInfo.Paused)
{
await Notifier.NotifyMessage("Scanning skipped due to: 'bot paused'");
return;
}
try { BotService.ConstraintsService.CheckInvariantConstraintsPassed(); }
catch (ConstraintNotPassedException ex)
{
await Notifier.NotifyMessage($"Scanning skipped due to: '{ex.Reason}'");
return;
}
AccessibilityNodeInfo root = GetRoot(e.Source);
AccessibilityNodeInfo list = root.FindAccessibilityNodeInfosByViewId(ORDER_LIST_ID).FirstOrDefault();
if (list == null || list.ChildCount == 0)
{
await Notifier.NotifyMessage("Scanning skipped due to: 'no orders listed'");
return;
}
for (int i = 0; i < list.ChildCount; ++i)
{
AccessibilityNodeInfo child = list.GetChild(i);
AccessibilityNodeInfo statusView = child.FindAccessibilityNodeInfosByViewId(ORDER_STATUS_ID).FirstOrDefault();
if (statusView != null && statusView.Text != STATUS_AVAILABLE)
{
continue;
}
AccessibilityNodeInfo fromView = child.FindAccessibilityNodeInfosByViewId(ORDER_FROM_ID).FirstOrDefault();
AccessibilityNodeInfo toView = child.FindAccessibilityNodeInfosByViewId(ORDER_TO_ID).FirstOrDefault();
AccessibilityNodeInfo gainView = child.FindAccessibilityNodeInfosByViewId(ORDER_GAIN_ID).FirstOrDefault();
if (fromView == null || toView == null || gainView == null)
{
continue;
}
Order order = new Order(
BotService.StateService.StateInfo.IdCounter + i,
fromView.Text, toView.Text, (int)Convert.ToDouble(gainView.Text)
);
AccessibilityNodeInfo deliveryTypeView = child.FindAccessibilityNodeInfosByViewId(ORDER_DELIVERY_TYPE_ID).FirstOrDefault();
if (deliveryTypeView != null && !string.IsNullOrEmpty(deliveryTypeView.Text))
{
order.Modifiers.Add(deliveryTypeView.Text);
}
AccessibilityNodeInfo typeView = child.FindAccessibilityNodeInfosByViewId(ORDER_TYPE_ID).FirstOrDefault();
if (typeView != null && !string.IsNullOrEmpty(typeView.Text))
{
order.Modifiers.Add(typeView.Text);
}
AccessibilityNodeInfo fromTimeNode = child.FindAccessibilityNodeInfosByViewId(ORDER_TAKE_TIME_ID).FirstOrDefault();
if (fromTimeNode != null && !string.IsNullOrEmpty(fromTimeNode.Text))
{
(DateTime min, DateTime max)? takeTime = GetPeriodFromText(fromTimeNode.Text, TAKE_TIME_REGEX);
if (takeTime.HasValue)
{
order.MinTakeTime = takeTime.Value.min;
order.MaxTakeTime = takeTime.Value.max;
}
}
AccessibilityNodeInfo toTimeNode = child.FindAccessibilityNodeInfosByViewId(ORDER_DELIVER_TIME_ID).FirstOrDefault();
if (toTimeNode != null && !string.IsNullOrEmpty(toTimeNode.Text))
{
(DateTime min, DateTime max)? deliverTime = GetPeriodFromText(toTimeNode.Text, DELIVER_TIME_REGEX);
if (deliverTime.HasValue)
{
order.MinDeliverTime = deliverTime.Value.min;
order.MaxDeliverTime = deliverTime.Value.max;
}
}
if (BotService.BadOrdersService.OrdersBlackList.Contains(order))
{
continue;
}
if (!BotService.FilterService.Assert(order))
{
continue;
}
try { BotService.ConstraintsService.PreOpenCheckOrderPassesConstraints(order); }
catch (ConstraintNotPassedException ex) { continue; }
ScreenReader.EventProcessor = DependencyHolder.Dependencies.Resolve <OrderPageEventProcessor>();
++BotService.StateService.StateInfo.IdCounter;
BotService.StateService.StateInfo.DiscoveredOrder = order;
BotService.StateService.Save();
Click(child);
break;
}
TimeSpan duration = DateTime.Now - start;
await Notifier.NotifyMessage($"Scanning took {duration.TotalMilliseconds} ms ({list.ChildCount} orders)");
//ScreenReader.GesturesToPerform.Enqueue(UpdateGestureService.Gesture);
}
catch (Exception ex) { await NotifyException(ex); }
}