[UsedImplicitly] // called from template functions,
public static LinqBindingNode Get(Application application, UIElement rootElement, UIElement element, UIElement innerContext, int createdId, int enabledId, int updatedId, int lateId)
{
LinqBindingNode node = new LinqBindingNode(); // todo -- pool
node.root = rootElement;
node.element = element;
node.innerContext = innerContext;
element.bindingNode = node;
// todo -- profile this against skip tree
UIElement ptr = element.parent;
while (ptr != null)
{
if (ptr.bindingNode != null)
{
node.parent = ptr.bindingNode;
break;
}
ptr = ptr.parent;
}
node.SetBindings(application, rootElement, createdId, enabledId, updatedId, lateId);
return(node);
}
public static LinqBindingNode GetSlotNode(Application application, UIElement rootElement, UIElement element, UIElement innerContext, int createdId, int enabledId, int updatedId, int lateId, string slotName, TemplateScope templateScope, int slotContextSize)
{
LinqBindingNode node = new LinqBindingNode(); // todo -- pool
node.root = rootElement;
node.element = element;
node.innerContext = innerContext;
element.bindingNode = node;
// todo -- profile this against skip tree
UIElement ptr = element.parent;
while (ptr != null)
{
if (ptr.bindingNode != null)
{
node.parent = ptr.bindingNode;
break;
}
ptr = ptr.parent;
}
node.InitializeContextArray(slotName, templateScope, slotContextSize);
node.SetBindings(application, rootElement, createdId, enabledId, updatedId, lateId);
return(node);
}
public static LinqBindingNode GetSlotModifyNode(Application application, UIElement rootElement, UIElement element, UIElement innerContext, int createdId, int enabledId, int updatedId, int lateId)
{
LinqBindingNode node = s_NodePool.Get();
node.Initialize(rootElement, element, innerContext);
// todo -- profile this against skip tree
UIElement ptr = element.parent;
while (ptr != null)
{
if (ptr.bindingNode != null)
{
node.parent = ptr.bindingNode;
break;
}
ptr = ptr.parent;
}
node.referencedContexts = new UIElement[1];
node.referencedContexts[0] = innerContext;
node.SetBindings(application, rootElement, createdId, enabledId, updatedId, lateId);
return(node);
}
private void RunBindings(LightList <UIElement> elementsToUpdate)
{
for (int i = elementsToUpdate.size - 1; i >= 0; i--)
{
LinqBindingNode bindingNode = elementsToUpdate[i].bindingNode;
bindingNode?.updateBindings?.Invoke(bindingNode.root, bindingNode.element);
}
}
private void RunWriteBindingsAndReleaseList(LightList <UIElement> elementsToUpdate)
{
for (int i = 0; i < elementsToUpdate.size; i++)
{
LinqBindingNode bindingNode = elementsToUpdate[i].bindingNode;
bindingNode?.lateBindings?.Invoke(bindingNode.root, bindingNode.element);
}
elementsToUpdate.Release();
}
private void Initialize(UIElement root, UIElement element, UIElement innerContext)
{
this.root = root;
this.element = element;
this.innerContext = innerContext;
element.bindingNode = this;
this.lastBeforeUpdateFrame = default;
this.lastAfterUpdateFrame = default;
this.createdBinding = default;
this.enabledBinding = default;
this.updateBindings = default;
this.lateBindings = default;
this.localVariable = default;
this.parent = default;
this.referencedContexts = default;
}
public ContextVariable GetContextVariable(int id)
{
ContextVariable ptr = localVariable;
while (ptr != null)
{
if (ptr.id == id)
{
return(ptr.reference ?? ptr);
}
ptr = ptr.next;
}
// if didnt find a local variable, start a search upwards
// if found, reference locally. should only hit this once
if (parent == null)
{
UIElement elemPtr = element.parent;
while (elemPtr != null)
{
if (elemPtr.bindingNode != null)
{
parent = elemPtr.bindingNode;
break;
}
elemPtr = elemPtr.parent;
}
}
ContextVariable value = parent?.GetContextVariable(id);
// it is technically an error if we can't find the context variable, something went wrong with compilation
Debug.Assert(value != null, nameof(value) + " != null");
value = value.CreateReference();
CreateLocalContextVariable(value);
return(value);
}
public static void Release(LinqBindingNode node)
{
s_NodePool.Release(node);
node.localVariable?.Release();
}