DevTools: Autocomplete class names in ClassesPaneWidget

third_party/WebKit/Source/devtools/front_end/sdk/DOMModel.js

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 1720 matching lines @@
     _cancelSearch: function()
     {
         if (this._searchId) {
             this._agent.discardSearchResults(this._searchId);
             delete this._searchId;
         }
     },
 
     /**
      * @param {!DOMAgent.NodeId} nodeId
+     * @return {!Promise<!Array<string>>}
+     */
+    classNamesPromise: function(nodeId)
+    {
+        return new Promise(promiseBody.bind(this));
+
+        /**
+         * @param {function(!Array<string>)} fulfill
+         * @this {WebInspector.DOMModel}
+         */
+        function promiseBody(fulfill)
+        {
+            this._agent.collectClassNamesFromSubtree(nodeId, classNamesCallback);
+
+            /**
+             * @param {?string} error
+             * @param {?Array<string>} classNames
+             */
+            function classNamesCallback(error, classNames)
+            {
+                if (!error && classNames)
+                    fulfill(classNames);
+                else
+                    fulfill([]);
+            }
+        }
+    },
+
+    /**
+     * @param {!DOMAgent.NodeId} nodeId
      * @param {string} selectors
      * @param {function(?DOMAgent.NodeId)=} callback
      */
     querySelector: function(nodeId, selectors, callback)
     {
         this._agent.querySelector(nodeId, selectors, this._wrapClientCallback(callback));
     },
 
     /**
      * @param {!DOMAgent.NodeId} nodeId
@@ skipping 529 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.DOMModel}
  */
 WebInspector.DOMModel.fromTarget = function(target)
 {
     return /** @type {?WebInspector.DOMModel} */ (target.model(WebInspector.DOMModel));
 }