Srujan Gaddam
3776313e65
Introduces NULLASSERT token and NNBD condition to allow code to conditionally compile with NNBD. Change-Id: Ib71e439f32c793e69b66c328cd7c9900358d886e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134045 Commit-Queue: Srujan Gaddam <srujzs@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
85 lines
3.4 KiB
Plaintext
85 lines
3.4 KiB
Plaintext
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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part of $LIBRARYNAME;
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$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME extends Node
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{
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$!MEMBERS
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/**
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* Finds all descendant elements of this document that match the specified
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* group of selectors.
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*
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* Unless your webpage contains multiple documents, the top-level
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* [querySelectorAll]
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* method behaves the same as this method, so you should use it instead to
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* save typing a few characters.
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*
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* [selectors] should be a string using CSS selector syntax.
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*
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* var items = document.querySelectorAll('.itemClassName');
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*
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* For details about CSS selector syntax, see the
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* [CSS selector specification](http://www.w3.org/TR/css3-selectors/).
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*/
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ElementList<T> querySelectorAll<T extends Element>(String selectors) =>
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new _FrozenElementList<T>._wrap(_querySelectorAll(selectors));
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/// Checks if [registerElement] is supported on the current platform.
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bool get supportsRegisterElement {
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return JS('bool', '("registerElement" in #)', this);
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}
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/// *Deprecated*: use [supportsRegisterElement] instead.
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@deprecated
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bool get supportsRegister => supportsRegisterElement;
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void registerElement(String tag, Type customElementClass,
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{String$NULLABLE extendsTag}) {
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registerElement2(tag, {'prototype': customElementClass, 'extends': extendsTag});
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}
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@pragma('dart2js:tryInline') // Almost all call sites have one argument.
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Element createElement(String tagName, [String$NULLABLE typeExtension]) {
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return (typeExtension == null)
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? _createElement_2(tagName)
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: _createElement(tagName, typeExtension);
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}
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// The two-argument version of this is automatically generated, but we need to
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// omit the typeExtension if it's null on Firefox or we get an is="null" attribute.
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_createElement_2(String tagName) =>
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JS('Element', '#.createElement(#)', this, tagName);
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// The three-argument version of this is automatically generated, but we need to
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// omit the typeExtension if it's null on Firefox or we get an is="null" attribute.
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_createElementNS_2(String namespaceURI, String qualifiedName) =>
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JS('Element', '#.createElementNS(#, #)', this, namespaceURI, qualifiedName);
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Element createElementNS(String namespaceURI, String qualifiedName,
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[String$NULLABLE typeExtension]) {
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return (typeExtension == null)
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? _createElementNS_2(namespaceURI, qualifiedName)
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: _createElementNS(namespaceURI, qualifiedName, typeExtension);
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}
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NodeIterator _createNodeIterator(Node root,
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[int$NULLABLE whatToShow, NodeFilter$NULLABLE filter])
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=> JS('NodeIterator', '#.createNodeIterator(#, #, #, false)',
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this, root, whatToShow, filter);
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TreeWalker _createTreeWalker(Node root,
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[int$NULLABLE whatToShow, NodeFilter$NULLABLE filter])
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=> JS('TreeWalker', '#.createTreeWalker(#, #, #, false)',
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this, root, whatToShow, filter);
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@SupportedBrowser(SupportedBrowser.CHROME)
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@SupportedBrowser(SupportedBrowser.FIREFOX)
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@SupportedBrowser(SupportedBrowser.IE, '10')
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String get visibilityState => JS('String',
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'(#.visibilityState || #.mozVisibilityState || #.msVisibilityState ||'
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'#.webkitVisibilityState)', this, this, this, this);
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}
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