DevTools: Combine TextPrompt events into UI.TextPrompt.TextChangedEvent

third_party/WebKit/Source/devtools/front_end/ui/TextPrompt.js

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 289 matching lines @@
   /**
    * @param {!Event} event
    */
   onInput(event) {
     var text = this.text();
     var hasCommonPrefix = text.startsWith(this._previousText) || this._previousText.startsWith(text);
     if (this._queryRange && hasCommonPrefix)
       this._queryRange.endColumn += text.length - this._previousText.length;
     this._refreshGhostText();
     this._previousText = text;
+    this.emit(new UI.TextPrompt.TextChangedEvent());
 
     this.autoCompleteSoon();
   }
 
   /**
    * @return {boolean}
    */
   acceptAutoComplete() {
     var result = false;
     if (this._isSuggestBoxVisible())
       result = this._suggestBox.acceptSuggestion();
     if (!result)
       result = this._acceptSuggestionInternal();
 
     return result;
   }
 
   clearAutocomplete() {
     var beforeText = this.textWithCurrentSuggestion();
 
     if (this._isSuggestBoxVisible())
       this._suggestBox.hide();
     this._clearAutocompleteTimeout();
     this._queryRange = null;
     this._refreshGhostText();
 
     if (beforeText !== this.textWithCurrentSuggestion())
-      this.dispatchEventToListeners(UI.TextPrompt.Events.ItemApplied);
+      this.emit(new UI.TextPrompt.TextChangedEvent());
   }
 
   _refreshGhostText() {
     if (this._queryRange && this._isCaretAtEndOfPrompt() &&
         this._currentSuggestion.startsWith(this.text().substring(this._queryRange.startColumn))) {
       this._ghostTextElement.textContent =
           this._currentSuggestion.substring(this._queryRange.endColumn - this._queryRange.startColumn);
       this._element.appendChild(this._ghostTextElement);
     } else {
       this._ghostTextElement.remove();
@@ skipping 153 matching lines @@
    * @override
    * @param {string} suggestion
    * @param {boolean=} isIntermediateSuggestion
    */
   applySuggestion(suggestion, isIntermediateSuggestion) {
     if (!this._queryRange)
       return;
     this._currentSuggestion = suggestion;
     this._refreshGhostText();
     if (isIntermediateSuggestion)
-      this.dispatchEventToListeners(UI.TextPrompt.Events.ItemApplied);
+      this.emit(new UI.TextPrompt.TextChangedEvent());
   }
 
   /**
    * @override
    */
   acceptSuggestion() {
     this._acceptSuggestionInternal();
   }
 
   /**
    * @return {boolean}
    */
   _acceptSuggestionInternal() {
     if (!this._queryRange)
       return false;
 
     this._element.textContent = this.textWithCurrentSuggestion();
     this.setDOMSelection(
         this._queryRange.startColumn + this._currentSuggestion.length,
         this._queryRange.startColumn + this._currentSuggestion.length);
 
     this.clearAutocomplete();
-    this.dispatchEventToListeners(UI.TextPrompt.Events.ItemAccepted);
+    this.emit(new UI.TextPrompt.TextChangedEvent());
 
     return true;
   }
 
   /**
    * @param {number} startColumn
    * @param {number} endColumn
    */
   setDOMSelection(startColumn, endColumn) {
     this._element.normalize();
@@ skipping 86 matching lines @@
   /**
    * @return {?Element}
    */
   proxyElementForTests() {
     return this._proxyElement || null;
   }
 };
 
 UI.TextPrompt.DefaultAutocompletionTimeout = 250;
 
-/** @enum {symbol} */
-UI.TextPrompt.Events = {
-  ItemApplied: Symbol('text-prompt-item-applied'),
-  ItemAccepted: Symbol('text-prompt-item-accepted')
-};
+/** @implements {Common.Emittable} */
+UI.TextPrompt.TextChangedEvent = class {};