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polymer/lib/src/loader.dart

Index: polymer/lib/src/loader.dart
diff --git a/polymer/lib/src/loader.dart b/polymer/lib/src/loader.dart
deleted file mode 100644
index fb5e87fef2e4d42baa0db48a141ceafbab8fc590..0000000000000000000000000000000000000000
--- a/polymer/lib/src/loader.dart
+++ /dev/null
@@ -1,169 +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;
-
-/// 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]).
-Future<Zone> initPolymer() {
-  _initializeLogging();
-  if (_deployMode) {
-    return startPolymer().then((_) => Zone.current);
-  }
-  return dirtyCheckZone()
-      .run(() => startPolymer().then((_) => dirtyCheckZone()));
-}
-
-bool _startPolymerCalled = false;
-
-/// Starts polymer by hooking the polymer.js code. **Note**: this function is
-/// not meant to be invoked directly by application developers. It is invoked
-/// by [initPolymer].
-Future startPolymer() {
-  // First wait for all html imports to finish, then run the rest of the
-  // initializers.
-  return initWebComponents(initAll: false).then((_) {
-    // Polymer js is now loaded, hook it before running @CustomTag annotations.
-    if (_startPolymerCalled) throw 'Initialization was already done.';
-    _startPolymerCalled = true;
-    _hookJsPolymer();
-  }).then((_) => initWebComponents()).then((_) {
-    Polymer.registerSync('auto-binding-dart', AutoBindingElement,
-        extendsTag: 'template');
-
-    _watchWaitingFor();
-    Polymer._onInitDone.complete();
-  });
-}
-
-/// Configures [initPolymer] making it optimized for deployment to the internet.
-/// Additionally, after this method is called [initPolymer] omits the [Zone]
-/// that automatically invokes [Observable.dirtyCheck].
-void configureForDeployment() {
-  _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() {
-  if (!PolymerJs.checkExists()) {
-    throw new StateError('An error occurred initializing polymer, (could not'
-        'find polymer js). Please file a bug at '
-        'https://github.com/dart-lang/polymer-dart/issues/new.');
-  }
-
-  // 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.whenPolymerReady(() => 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(', ')}');
-  });
-}