Update all Angular libs (run update_all.sh).

third_party/pkg/angular/lib/core_dom/view.dart

+part of angular.core.dom_internal;
+
+/**
+ * A View is a fundamental building block of DOM. It is a chunk of DOM which
+ * can not be structurally changed. A View can have [ViewPort] placeholders
+ * embedded in its DOM.  A [ViewPort] can contain other [View]s and it is the
+ * only way in which DOM structure can be modified.
+ *
+ * A [View] is a collection of DOM nodes
+
+ * A [View] can be created from [ViewFactory].
+ *
+ */
+class View {
+  final List<dom.Node> nodes;
+  final EventHandler eventHandler;
+
+  View(this.nodes, this.eventHandler);
+
+  void registerEvent(String eventName) {
+    eventHandler.register(eventName);
+  }
+}
+
+/**
+ * A ViewPort maintains an ordered list of [View]'s. It contains a
+ * [placeholder] node that is used as the insertion point for view nodes.
+ */
+class ViewPort {
+  final dom.Node placeholder;
+  final Animate _animate;
+  final _views = <View>[];
+
+  ViewPort(this.placeholder, this._animate);
+
+  void insert(View view, { View insertAfter }) {
+    dom.Node previousNode = _lastNode(insertAfter);
+    _viewsInsertAfter(view, insertAfter);
+
+    _animate.insert(view.nodes, placeholder.parentNode,
+      insertBefore: previousNode.nextNode);
+  }
+
+  void remove(View view) {
+    _views.remove(view);
+    _animate.remove(view.nodes);
+  }
+
+  void move(View view, { View moveAfter }) {
+    dom.Node previousNode = _lastNode(moveAfter);
+    _views.remove(view);
+    _viewsInsertAfter(view, moveAfter);
+
+    _animate.move(view.nodes, placeholder.parentNode,
+      insertBefore: previousNode.nextNode);
+  }
+
+  void _viewsInsertAfter(View view, View insertAfter) {
+    int index = insertAfter == null ? 0 : _views.indexOf(insertAfter) + 1;
+    _views.insert(index, view);
+  }
+
+  dom.Node _lastNode(View insertAfter) =>
+    insertAfter == null
+      ? placeholder
+      : insertAfter.nodes.last;
+}