text: import Ember from 'ember-metal/core';
  import DOMHelper from 'dom-helper';
  
  var HTMLBarsAttrMorph = DOMHelper.prototype.AttrMorphClass;
  
  export var styleWarning = '' +
    'Binding style attributes may introduce cross-site scripting vulnerabilities; ' +
    'please ensure that values being bound are properly escaped. For more information, ' +
    'including how to disable this warning, see ' +
    'http://emberjs.com/deprecations/v1.x/#toc_binding-style-attributes.';
  
  function EmberAttrMorph(element, attrName, domHelper, namespace) {
    HTMLBarsAttrMorph.call(this, element, attrName, domHelper, namespace);
  
    this.streamUnsubscribers = null;
  }
  
  var proto = EmberAttrMorph.prototype = Object.create(HTMLBarsAttrMorph.prototype);
  proto.HTMLBarsAttrMorph$setContent = HTMLBarsAttrMorph.prototype.setContent;
  
  proto._deprecateEscapedStyle = function EmberAttrMorph_deprecateEscapedStyle(value) {
    Ember.warn(
      styleWarning,
      (function(name, value, escaped) {
        // SafeString
        if (value && value.toHTML) {
          return true;
        }
  
        if (name !== 'style') {
          return true;
        }
  
        return !escaped;
      }(this.attrName, value, this.escaped))
    );
  };
  
  proto.setContent = function EmberAttrMorph_setContent(value) {
    this._deprecateEscapedStyle(value);
    this.HTMLBarsAttrMorph$setContent(value);
  };
  
  export default EmberAttrMorph;
  