Delete polymer from the Dart repo

pkg/polymer/lib/src/loader.dart

Index: pkg/polymer/lib/src/loader.dart
diff --git a/pkg/polymer/lib/src/loader.dart b/pkg/polymer/lib/src/loader.dart
deleted file mode 100644
index 5c40b00c253f78107d62b1cfaa509d35cc6b83ef..0000000000000000000000000000000000000000
--- a/pkg/polymer/lib/src/loader.dart
+++ /dev/null
@@ -1,194 +0,0 @@
-// Copyright (c) 2013, 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.
-
-part of polymer;
-
-/// Annotation used to automatically register polymer elements.
-class CustomTag {
-  final String tagName;
-  const CustomTag(this.tagName);
-}
-
-/// Metadata used to label static or top-level methods that are called
-/// automatically when loading the library of a custom element.
-const initMethod = const InitMethodAnnotation();
-
-/// Implementation behind [initMethod]. Only exposed for internal implementation
-/// details
-class InitMethodAnnotation {
-  const InitMethodAnnotation();
-}
-
-/// Initializes a polymer application as follows:
-///   * if running in development mode, set up a dirty-checking zone that polls
-///     for observable changes
-///   * initialize template binding and polymer-element
-///   * for each library included transitively from HTML and HTML imports,
-///   register custom elements declared there (labeled with [CustomTag]) and
-///   invoke the initialization method on it (top-level functions annotated with
-///   [initMethod]).
-Zone initPolymer() {
-  _initializeLogging();
-  if (loader.deployMode) {
-    startPolymer(loader.initializers, loader.deployMode);
-    return Zone.current;
-  }
-  return dirtyCheckZone()..run(
-      () => startPolymer(loader.initializers, loader.deployMode));
-}
-
-/// True if we're in deployment mode.
-bool _deployMode = false;
-
-bool _startPolymerCalled = false;
-
-/// Starts polymer by running all [initializers] and hooking the polymer.js
-/// code. **Note**: this function is not meant to be invoked directly by
-/// application developers. It is invoked either by [initPolymer] or, if you are
-/// using the experimental bootstrap API, this would be invoked by an entry
-/// point that is automatically generated somehow. In particular, during
-/// development, the entry point would be generated dynamically in `boot.js`.
-/// Similarly, pub-build would generate the entry point for deployment.
-void startPolymer(List<Function> initializers, [bool deployMode = true]) {
-  if (_startPolymerCalled) throw 'Initialization was already done.';
-  _startPolymerCalled = true;
-  _hookJsPolymer();
-  _deployMode = deployMode;
-
-  if (initializers == null) {
-    throw 'Missing initialization of polymer elements. '
-        'Please check that the list of entry points in your pubspec.yaml '
-        'is correct. If you are using pub-serve, you may need to restart it.';
-  }
-
-  Polymer.registerSync('auto-binding-dart', AutoBindingElement,
-      extendsTag: 'template');
-
-  for (var initializer in initializers) {
-    initializer();
-  }
-
-  _watchWaitingFor();
-}
-
-/// Configures [initPolymer] making it optimized for deployment to the internet.
-/// With this setup the initializer list is supplied instead of searched for
-/// at runtime. Additionally, after this method is called [initPolymer] omits
-/// the [Zone] that automatically invokes [Observable.dirtyCheck].
-void configureForDeployment(List<Function> initializers) {
-  loader.initializers = initializers;
-  loader.deployMode = true;
-}
-
-/// To ensure Dart can interoperate with polymer-element registered by
-/// polymer.js, we need to be able to execute Dart code if we are registering
-/// a Dart class for that element. We trigger Dart logic by patching
-/// polymer-element's register function and:
-///
-/// * if it has a Dart class, run PolymerDeclaration's register.
-/// * otherwise it is a JS prototype, run polymer-element's normal register.
-void _hookJsPolymer() {
-  var polymerJs = js.context['Polymer'];
-  if (polymerJs == null) {
-    throw new StateError('polymer.js must be loaded before polymer.dart, please'
-        ' add <link rel="import" href="packages/polymer/polymer.html"> to your'
-        ' <head> before any Dart scripts. Alternatively you can get a different'
-        ' version of polymer.js by following the instructions at'
-        ' http://www.polymer-project.org.');
-  }
-
-  // TODO(jmesserly): dart:js appears to not callback in the correct zone:
-  // https://code.google.com/p/dart/issues/detail?id=17301
-  var zone = Zone.current;
-
-  polymerJs.callMethod('whenPolymerReady',
-      [zone.bindCallback(() => Polymer._onReady.complete())]);
-
-  JsFunction originalRegister = _polymerElementProto['register'];
-  if (originalRegister == null) {
-    throw new StateError('polymer.js must expose "register" function on '
-        'polymer-element to enable polymer.dart to interoperate.');
-  }
-
-  registerDart(jsElem, String name, String extendee) {
-    // By the time we get here, we'll know for sure if it is a Dart object
-    // or not, because polymer-element will wait for us to notify that
-    // the @CustomTag was found.
-    final type = _getRegisteredType(name);
-    if (type != null) {
-      final extendsDecl = _getDeclaration(extendee);
-      return zone.run(() =>
-          new PolymerDeclaration(jsElem, name, type, extendsDecl).register());
-    }
-    // It's a JavaScript polymer element, fall back to the original register.
-    return originalRegister.apply([name, extendee], thisArg: jsElem);
-  }
-
-  _polymerElementProto['register'] = new JsFunction.withThis(registerDart);
-}
-
-// Note: we cache this so we can use it later to look up 'init'.
-// See registerSync.
-JsObject _polymerElementProto = () {
-  var polyElem = document.createElement('polymer-element');
-  var proto = new JsObject.fromBrowserObject(polyElem)['__proto__'];
-  if (proto is Node) proto = new JsObject.fromBrowserObject(proto);
-  return proto;
-}();
-
-// Add support for the polymer js style of enabling logging. The global logging
-// level is respected for specified loggers (see http://goo.gl/btfDe1). All
-// other loggers will be set to [Level.OFF]. Logs will also be printed to the
-// console automatically if any are supplied.
-void _initializeLogging() {
-  hierarchicalLoggingEnabled = true;
-  var webComponents = js.context['WebComponents'];
-  var logFlags = (webComponents == null || webComponents['flags'] == null) ? {}
-      : webComponents['flags']['log'];
-  if (logFlags == null) logFlags = {};
-  var loggers =
-      [_observeLog, _eventsLog, _unbindLog, _bindLog, _watchLog, _readyLog];
-  var polymerLogger = new Logger('polymer');
-
-  // If no loggers specified then disable globally and return.
-  if (!loggers.any((logger) => logFlags[logger.name] == true)) {
-    polymerLogger.level = Level.OFF;
-    return;
-  }
-
-  // Disable the loggers that were not specified.
-  loggers.where((logger) => logFlags[logger.name] != true)
-      .forEach((logger) {logger.level = Level.OFF;});
-
-  // Listen to the polymer logs and print them to the console.
-  polymerLogger.onRecord.listen((rec) {print(rec);});
-}
-
-/// Watches the waitingFor queue and if it fails to make progress then prints
-/// a message to the console.
-void _watchWaitingFor() {
-  int lastWaiting = Polymer.waitingFor.length;
-  int lastAlert;
-  new Timer.periodic(new Duration(seconds: 1), (Timer timer) {
-    var waiting = Polymer.waitingFor;
-    // Done, cancel timer.
-    if (waiting.isEmpty) {
-      timer.cancel();
-      return;
-    }
-    // Made progress, don't alert.
-    if (waiting.length != lastWaiting) {
-      lastWaiting = waiting.length;
-      return;
-    }
-    // Only alert once per waiting state.
-    if (lastAlert == lastWaiting) return;
-    lastAlert = lastWaiting;
-
-    print('No elements registered in a while, but still waiting on '
-        '${waiting.length} elements to be registered. Check that you have a '
-        'class with an @CustomTag annotation for each of the following tags: '
-        '${waiting.map((e) => "'${e.attributes['name']}'").join(', ')}');
-  });
-}