public void StartTracking(List <VisualElement> elements)
{
if (!enable)
{
return;
}
// 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);
}
StartVisualTreeAssetTracking(tracker, ve.visualTreeAssetSource);
}
if (ve.styleSheetList?.Count > 0)
{
foreach (var styleSheet in ve.styleSheetList)
{
m_LiveReloadStyleSheetAssetTracker.StartTrackingAsset(styleSheet);
}
}
}
}
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 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);
}