Wrapperless dart:html generator

client/dom/templates/html/interface/interface_Element.darttemplate

Index: client/dom/templates/html/interface/interface_Element.darttemplate
diff --git a/client/dom/templates/html/interface/interface_Element.darttemplate b/client/dom/templates/html/interface/interface_Element.darttemplate
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+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// WARNING: Do not edit - generated code.
+
+/**
+ * Provides a Map abstraction on top of data-* attributes, similar to the
+ * dataSet in the old DOM.
+ */
+class _DataAttributeMap implements Map<String, String> {
+
+  final Map<String, String> _attributes;
+
+  _DataAttributeMap(this._attributes);
+
+  // interface Map
+
+  // TODO: Use lazy iterator when it is available on Map.
+  bool containsValue(String value) => getValues().some((v) => v == value);
+
+  bool containsKey(String key) => _attributes.containsKey(_attr(key));
+
+  String operator [](String key) => _attributes[_attr(key)];
+
+  void operator []=(String key, String value) {
+    _attributes[_attr(key)] = value;
+  }
+
+  String putIfAbsent(String key, String ifAbsent()) {
+    if (!containsKey(key)) {
+      return this[key] = ifAbsent();
+    }
+    return this[key];
+  }
+
+  String remove(String key) => _attributes.remove(_attr(key));
+
+  void clear() {
+    // Needs to operate on a snapshot since we are mutatiting the collection.
+    for (String key in getKeys()) {
+      remove(key);
+    }
+  }
+
+  void forEach(void f(String key, String value)) {
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        f(_strip(key), value);
+      }
+    });
+  }
+
+  Collection<String> getKeys() {
+    final keys = new List<String>();
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        keys.add(_strip(key));
+      }
+    });
+    return keys;
+  }
+
+  Collection<String> getValues() {
+    final values = new List<String>();
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        values.add(value);
+      }
+    });
+    return values;
+  }
+
+  int get length() => getKeys().length;
+
+  // TODO: Use lazy iterator when it is available on Map.
+  bool isEmpty() => length == 0;
+
+  // Helpers.
+  String _attr(String key) => 'data-$key';
+  bool _matches(String key) => key.startsWith('data-');
+  String _strip(String key) => key.substring(5);
+}
+
+class _CssClassSet implements Set<String> {
+
+  final _ElementJs _element;
+
+  _CssClassSet(this._element);
+
+  String toString() {
+    return _formatSet(_read());
+  }
+
+  // interface Iterable - BEGIN
+  Iterator<String> iterator() {
+    return _read().iterator();
+  }
+  // interface Iterable - END
+
+  // interface Collection - BEGIN
+  void forEach(void f(String element)) {
+    _read().forEach(f);
+  }
+
+  Collection map(f(String element)) {
+    return _read().map(f);
+  }
+
+  Collection<String> filter(bool f(String element)) {
+    return _read().filter(f);
+  }
+
+  bool every(bool f(String element)) {
+    return _read().every(f);
+  }
+
+  bool some(bool f(String element)) {
+    return _read().some(f);
+  }
+
+  bool isEmpty() {
+    return _read().isEmpty();
+  }
+
+  int get length() {
+    return _read().length;
+  }
+  // interface Collection - END
+
+  // interface Set - BEGIN
+  bool contains(String value) {
+    return _read().contains(value);
+  }
+
+  void add(String value) {
+    // TODO - figure out if we need to do any validation here
+    // or if the browser natively does enough
+    _modify((s) => s.add(value));
+  }
+
+  bool remove(String value) {
+    Set<String> s = _read();
+    bool result = s.remove(value);
+    _write(s);
+    return result;
+  }
+
+  void addAll(Collection<String> collection) {
+    // TODO - see comment above about validation
+    _modify((s) => s.addAll(collection));
+  }
+
+  void removeAll(Collection<String> collection) {
+    _modify((s) => s.removeAll(collection));
+  }
+
+  bool isSubsetOf(Collection<String> collection) {
+    return _read().isSubsetOf(collection);
+  }
+
+  bool containsAll(Collection<String> collection) {
+    return _read().containsAll(collection);
+  }
+
+  Set<String> intersection(Collection<String> other) {
+    return _read().intersection(other);
+  }
+
+  void clear() {
+    _modify((s) => s.clear());
+  }
+  // interface Set - END
+
+  /**
+   * Helper method used to modify the set of css classes on this element.
+   *
+   *   f - callback with:
+   *      s - a Set of all the css class name currently on this element.
+   *
+   *   After f returns, the modified set is written to the
+   *       className property of this element.
+   */
+  void _modify( f(Set<String> s)) {
+    Set<String> s = _read();
+    f(s);
+    _write(s);
+  }
+
+  /**
+   * Read the class names from the Element class property,
+   * and put them into a set (duplicates are discarded).
+   */
+  Set<String> _read() {
+    // TODO(mattsh) simplify this once split can take regex.
+    Set<String> s = new Set<String>();
+    for (String name in _className().split(' ')) {
+      String trimmed = name.trim();
+      if (!trimmed.isEmpty()) {
+        s.add(trimmed);
+      }
+    }
+    return s;
+  }
+
+  /**
+   * Read the class names as a space-separated string. This is meant to be
+   * overridden by subclasses.
+   */
+  String _className() => _element._className;
+
+  /**
+   * Join all the elements of a set into one string and write
+   * back to the element.
+   */
+  void _write(Set s) {
+    _element._className = _formatSet(s);
+  }
+
+  String _formatSet(Set<String> s) {
+    // TODO(mattsh) should be able to pass Set to String.joins http:/b/5398605
+    List list = new List.from(s);
+    return Strings.join(list, ' ');
+  }
+}
+
+interface ElementList extends List<Element> {
+  // TODO(jacobr): add element batch manipulation methods.
+  ElementList filter(bool f(Element element));
+
+  ElementList getRange(int start, int length);
+
+  Element get first();
+  // TODO(jacobr): add insertAt
+}
+
+/**
+ * All your element measurement needs in one place
+ */
+interface ElementRect {
+  // Relative to offsetParent
+  ClientRect get client();
+  ClientRect get offset();
+  ClientRect get scroll();
+  // In global coords
+  ClientRect get bounding();
+  // In global coords
+  List<ClientRect> get clientRects();
+}
+
+// TODO(jacobr): referencing _ElementJs here is problematic when we need
+// to support wrappers as well.
+interface Element extends Node, NodeSelector default _ElementJs {
+// TODO(jacobr): switch back to:
+// interface $ID$EXTENDS default _ElementJs {
+  Element.html(String html);
+  Element.tag(String tag);
+
+  Map<String, String> get attributes();
+  void set attributes(Map<String, String> value);
+
+  // TODO(jacobr): remove these methods and let them be generated automatically
+  // once dart supports defining fields with the same name in an interface and
+  // its parent interface.
+  String get title();
+  void set title(String value);
+
+  ElementList get elements();
+
+  // TODO: The type of value should be Collection<Element>. See http://b/5392897
+  void set elements(value);
+
+  Element query(String selectors);
+
+  ElementList queryAll(String selectors);
+
+  Set<String> get classes();
+
+  // TODO: The type of value should be Collection<String>. See http://b/5392897
+  void set classes(value);
+
+  Map<String, String> get dataAttributes();
+  void set dataAttributes(Map<String, String> value);
+
+  bool matchesSelector([String selectors]);
+
+  Future<ElementRect> get rect();
+
+  Future<CSSStyleDeclaration> get computedStyle();
+
+  Future<CSSStyleDeclaration> getComputedStyle(String pseudoElement);
+
+  Element clone(bool deep);
+
+
+  Element get parent();
+
+$!MEMBERS
+}