Add project files.

2026-07-27 13:13:29 -07:00 · 2022-03-03 08:14:05 -06:00
parent cfa6f93211
commit 1198cc8a66
967 changed files with 118389 additions and 0 deletions
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+// Decompiled with JetBrains decompiler
+// Type: Microsoft.Iris.ViewItems.ContentViewItem
+// Assembly: UIX, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
+// MVID: A56C6C9D-B7F6-46A9-8BDE-B3D9B8D60B11
+// Assembly location: C:\Program Files\Zune\UIX.dll
+
+using Microsoft.Iris.Animations;
+using Microsoft.Iris.Render;
+using Microsoft.Iris.Session;
+using Microsoft.Iris.UI;
+
+namespace Microsoft.Iris.ViewItems
+{
+    internal abstract class ContentViewItem : ViewItem
+    {
+        protected ISprite _contents;
+
+        protected override ISprite ContentVisual => _contents != null ? _contents : base.ContentVisual;
+
+        protected abstract bool HasContent();
+
+        protected override void DisposeAllContent()
+        {
+            base.DisposeAllContent();
+            DisposeContent(true);
+        }
+
+        protected virtual void DisposeContent(bool removeFromTree)
+        {
+            if (_contents == null)
+                return;
+            if (removeFromTree)
+                _contents.Remove();
+            _contents.UnregisterUsage(this);
+            _contents = null;
+        }
+
+        protected virtual void CreateContent()
+        {
+            ISprite contentVisual = ContentVisual;
+            _contents = UISession.Default.RenderSession.CreateSprite(this, this);
+            if (contentVisual != null)
+                VisualContainer.AddChild(_contents, contentVisual, VisualOrder.Before);
+            else
+                VisualContainer.AddChild(_contents, null, VisualOrder.Last);
+        }
+
+        public override void OrphanVisuals(OrphanedVisualCollection orphans)
+        {
+            base.OrphanVisuals(orphans);
+            DisposeContent(false);
+        }
+
+        protected override void OnPaint(bool visible)
+        {
+            base.OnPaint(visible);
+            bool flag = visible && HasContent();
+            if (flag && _contents == null)
+            {
+                CreateContent();
+            }
+            else
+            {
+                if (flag || _contents == null)
+                    return;
+                DisposeContent(true);
+            }
+        }
+    }
+}