public void StopTracking(List <VisualElement> elements)
{
// Some panels like the main Toolbar don't have any tracking set up
if (panel.contextType == ContextType.Editor && m_EditorVisualTreeAssetTracker == null)
{
return;
}
VisualTreeAsset currentAsset = null;
ILiveReloadAssetTracker <VisualTreeAsset> tracker = null;
foreach (var ve in elements)
{
if (ve.visualTreeAssetSource != null)
{
if (ve.visualTreeAssetSource != currentAsset)
{
currentAsset = ve.visualTreeAssetSource;
tracker = FindTracker(ve);
}
StopVisualTreeAssetTracking(tracker, ve.visualTreeAssetSource);
}
if (ve.styleSheetList?.Count > 0)
{
foreach (var styleSheet in ve.styleSheetList)
{
m_LiveReloadStyleSheetAssetTracker.StopTrackingAsset(styleSheet);
}
}
}
}
internal void StopVisualTreeAssetTracking(VisualElement visualElementUsingAsset)
{
ILiveReloadAssetTracker <VisualTreeAsset> foundTracker = null;
foreach (var trackerMapEntry in m_TrackerToVisualElementMap)
{
var tracker = trackerMapEntry.Key;
if (!tracker.IsTrackingAsset(visualElementUsingAsset.m_VisualTreeAssetSource))
{
continue;
}
var visualElements = trackerMapEntry.Value;
foreach (var visualElement in visualElements)
{
if (visualElement == visualElementUsingAsset)
{
foundTracker = tracker;
break;
}
}
if (foundTracker != null)
{
visualElements.Remove(visualElementUsingAsset);
break;
}
}
foundTracker?.StopTrackingAsset(visualElementUsingAsset.m_VisualTreeAssetSource);
}
private void StartVisualTreeAssetTracking(ILiveReloadAssetTracker <VisualTreeAsset> tracker, VisualTreeAsset asset)
{
int dirtyCount = tracker.StartTrackingAsset(asset);
if (!m_AssetToTrackerMap.TryGetValue(asset, out var trackers))
{
trackers = new VisualTreeAssetToTrackMappingEntry()
{
m_LastDirtyCount = dirtyCount,
m_Trackers = new HashSet <ILiveReloadAssetTracker <VisualTreeAsset> >()
};
m_AssetToTrackerMap[asset] = trackers;
}
trackers.m_Trackers.Add(tracker);
}
internal void StartVisualTreeAssetTracking(ILiveReloadAssetTracker <VisualTreeAsset> tracker,
VisualElement visualElementUsingAsset)
{
tracker.StartTrackingAsset(visualElementUsingAsset.m_VisualTreeAssetSource);
if (m_TrackerToVisualElementMap.TryGetValue(tracker, out var visualElements))
{
visualElements.Add(visualElementUsingAsset);
}
else
{
visualElements = new HashSet <VisualElement>();
m_TrackerToVisualElementMap[tracker] = visualElements;
m_LiveReloadVisualTreeAssetTrackers.Add(tracker);
}
}
private void StopVisualTreeAssetTracking(ILiveReloadAssetTracker <VisualTreeAsset> tracker, VisualTreeAsset asset)
{
if (tracker == null)
{
return;
}
tracker.StopTrackingAsset(asset);
if (m_AssetToTrackerMap.TryGetValue(asset, out var trackers))
{
trackers.m_Trackers.Remove(tracker);
if (trackers.m_Trackers.Count == 0)
{
m_AssetToTrackerMap.Remove(asset);
}
}
}
private void StartVisualTreeAssetTracking(ILiveReloadAssetTracker <VisualTreeAsset> tracker, VisualTreeAsset asset)
{
int dirtyCount = tracker.StartTrackingAsset(asset);
if (!m_AssetToTrackerMap.TryGetValue(asset, out var trackers))
{
trackers = new VisualTreeAssetToTrackMappingEntry()
{
m_LastDirtyCount = dirtyCount,
m_LastElementCount = asset.visualElementAssets.Count,
m_LastInlinePropertiesCount = asset.inlineSheet.rules.Sum(r => r.properties.Length),
m_LastAttributePropertiesDirtyCount = asset.GetAttributePropertiesDirtyCount(),
m_Trackers = new HashSet <ILiveReloadAssetTracker <VisualTreeAsset> >()
};
m_AssetToTrackerMap[asset] = trackers;
}
trackers.m_Trackers.Add(tracker);
}
public void RegisterVisualTreeAssetTracker(ILiveReloadAssetTracker <VisualTreeAsset> tracker, VisualElement rootElement)
{
if (panel.contextType == ContextType.Editor)
{
m_EditorVisualTreeAssetTracker = tracker;
}
else
{
m_RuntimeVisualTreeAssetTrackers[rootElement] = tracker;
// Add template container to be able to track newly created uxml assets
if (rootElement is TemplateContainer container && container.templateSource != null)
{
StartVisualTreeAssetTracking(tracker, container.templateSource);
}
// The enablement of Live Reload for panels of type ContextType.Player depends on the preference set
// for the Game View itself.
enable = DefaultEditorWindowBackend.IsGameViewWindowLiveReloadOn();
}
}