/*
 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */

(function(scope) {

  // imports
  var events = scope.api.declaration.events;

  var syntax = new PolymerExpressions();
  var prepareBinding = syntax.prepareBinding;

  // Polymer takes a first crack at the binding to see if it's a declarative
  // event handler.
  syntax.prepareBinding = function(pathString, name, node) {
    return events.prepareEventBinding(pathString, name, node) ||
           prepareBinding.call(syntax, pathString, name, node);
  };

  // declaration api supporting mdv
  var mdv = {
    syntax: syntax,
    fetchTemplate: function() {
      return this.querySelector('template');
    },
    templateContent: function() {
      var template = this.fetchTemplate();
      return template && template.content;
    },
    installBindingDelegate: function(template) {
      if (template) {
        template.bindingDelegate = this.syntax;
      }
    }
  };

  // exports
  scope.api.declaration.mdv = mdv;

})(Polymer);