Devtools: [WIP] Implement enhanced devtools extension language APIs

Source/devtools/front_end/sources/UISourceCodeFrame.js

 /*
  * Copyright (C) 2012 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 96 matching lines @@
     onTextChanged: function(oldRange, newRange)
     {
         WebInspector.SourceFrame.prototype.onTextChanged.call(this, oldRange, newRange);
         if (this._isSettingContent)
             return;
         this._muteSourceCodeEvents = true;
         if (this._textEditor.isClean())
             this._uiSourceCode.resetWorkingCopy();
         else
             this._uiSourceCode.setWorkingCopyGetter(this._textEditor.text.bind(this._textEditor));
+        WebInspector.workspace.dispatchEventToListeners(WebInspector.Workspace.Events.UISourceCodeEdited, {
+            range: oldRange,
+            replacement: this._textEditor.copyRange(newRange),
+            uiSourceCode: this._uiSourceCode
+        });
         delete this._muteSourceCodeEvents;
     },
 
     /**
      * @param {!WebInspector.Event} event
      */
     _onWorkingCopyChanged: function(event)
     {
         if (this._muteSourceCodeEvents)
             return;
@@ skipping 34 matching lines @@
     /**
      * @param {string} content
      */
     _innerSetContent: function(content)
     {
         this._isSettingContent = true;
         this.setContent(content);
         delete this._isSettingContent;
     },
 
+    /**
+     * @override
+     * @return {!Promise}
+     */
     populateTextAreaContextMenu: function(contextMenu, lineNumber, columnNumber)
     {
-        WebInspector.SourceFrame.prototype.populateTextAreaContextMenu.call(this, contextMenu, lineNumber, columnNumber);
-        contextMenu.appendApplicableItems(this._uiSourceCode);
-        contextMenu.appendApplicableItems(new WebInspector.UILocation(this._uiSourceCode, lineNumber, columnNumber));
-        contextMenu.appendSeparator();
+        /**
+         * @this {WebInspector.UISourceCodeFrame}
+         */
+        function appendItems() {
+            contextMenu.appendApplicableItems(this._uiSourceCode);
+            contextMenu.appendApplicableItems(new WebInspector.UILocation(this._uiSourceCode, lineNumber, columnNumber));
+            contextMenu.appendSeparator();
+        }
+
+        return WebInspector.SourceFrame.prototype.populateTextAreaContextMenu.call(this, contextMenu, lineNumber, columnNumber).then((function(){
+            var mimeType = WebInspector.ResourceType.mimeFromUrl(this._uiSourceCode.contentURL());
+            if (!mimeType) {
+                return;
+            }
+            if (!WebInspector.languageService.handles.populateContextMenu(mimeType)) {
+                return;
+            }
+            return WebInspector.languageService.populateContextMenu(mimeType, {
+                source: this._uiSourceCode.contentURL(),
+                line: lineNumber,
+                column: columnNumber
+            }).then(function(items) {
+                items.forEach(function(elem) {
+                   contextMenu.appendItem(elem.text, elem.callback);
+                });
+            });
+        }).bind(this)).then(appendItems.bind(this), appendItems.bind(this)); //Ignore failure in language service handler
     },
 
     /**
      * @param {!Array.<!WebInspector.UISourceCodeFrame.Infobar|undefined>} infobars
      */
     attachInfobars: function(infobars)
     {
         for (var i = infobars.length - 1; i >= 0; --i) {
             var infobar = infobars[i];
             if (!infobar)
@@ skipping 79 matching lines @@
 
     dispose: function()
     {
         this.element.remove();
         this._onResize();
         delete this._uiSourceCodeFrame;
     },
 
     __proto__: WebInspector.Infobar.prototype
 }