DevTools: add an API for extension-supplied trace providers

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
     this._subscriptionStopHandlers = {};
     this._extraHeaders = {};
     this._requests = {};
     this._lastRequestId = 0;
     this._registeredExtensions = {};
     this._status = new WebInspector.ExtensionStatus();
     /** @type {!Array.<!WebInspector.ExtensionSidebarPane>} */
     this._sidebarPanes = [];
     /** @type {!Array.<!WebInspector.ExtensionAuditCategory>} */
     this._auditCategories = [];
+    /** @type {!Array.<!WebInspector.ExtensionTraceProvider>} */
+    this._traceProviders = [];
 
     var commands = WebInspector.extensionAPI.Commands;
 
     this._registerHandler(commands.AddAuditCategory, this._onAddAuditCategory.bind(this));
     this._registerHandler(commands.AddAuditResult, this._onAddAuditResult.bind(this));
     this._registerHandler(commands.AddRequestHeaders, this._onAddRequestHeaders.bind(this));
+    this._registerHandler(commands.AddTraceProvider, this._onAddTraceProvider.bind(this));
     this._registerHandler(commands.ApplyStyleSheet, this._onApplyStyleSheet.bind(this));
     this._registerHandler(commands.CreatePanel, this._onCreatePanel.bind(this));
     this._registerHandler(commands.CreateSidebarPane, this._onCreateSidebarPane.bind(this));
     this._registerHandler(commands.CreateToolbarButton, this._onCreateToolbarButton.bind(this));
     this._registerHandler(commands.EvaluateOnInspectedPage, this._onEvaluateOnInspectedPage.bind(this));
     this._registerHandler(commands.ForwardKeyboardEvent, this._onForwardKeyboardEvent.bind(this));
     this._registerHandler(commands.GetHAR, this._onGetHAR.bind(this));
     this._registerHandler(commands.GetPageResources, this._onGetPageResources.bind(this));
     this._registerHandler(commands.GetRequestContent, this._onGetRequestContent.bind(this));
     this._registerHandler(commands.GetResourceContent, this._onGetResourceContent.bind(this));
@@ skipping 79 matching lines @@
 
     _inspectedURLChanged: function(event)
     {
         if (event.data !== WebInspector.targetManager.mainTarget())
             return;
         this._requests = {};
         var url = event.data.inspectedURL();
         this._postNotification(WebInspector.extensionAPI.Events.InspectedURLChanged, url);
     },
 
-
     /**
      * @param {string} categoryId
      * @param {!WebInspector.ExtensionAuditCategoryResults} auditResults
      */
     startAuditRun: function(categoryId, auditResults)
     {
         this._clientObjects[auditResults.id()] = auditResults;
         this._postNotification("audit-started-" + categoryId, auditResults.id());
     },
 
     /**
      * @param {!WebInspector.ExtensionAuditCategoryResults} auditResults
      */
     stopAuditRun: function(auditResults)
     {
         delete this._clientObjects[auditResults.id()];
     },
 
     /**
+     * @param {string} traceProviderId
+     */
+    startTraceRecording: function(traceProviderId)
+    {
+        this._postNotification("trace-recording-started-" + traceProviderId);
+    },
+
+     /**
+     * @param {string} traceProviderId
+     */
+    stopTraceRecording: function(traceProviderId)
+    {
+        this._postNotification("trace-recording-stopped-" + traceProviderId);
+    },
+
+    /**
      * @param {string} type
      * @return {boolean}
      */
     hasSubscribers: function(type)
     {
         return !!this._subscribers[type];
     },
 
     /**
      * @param {string} type
@@ skipping 403 matching lines @@
 
     _onAddAuditCategory: function(message, port)
     {
         var category = new WebInspector.ExtensionAuditCategory(port._extensionOrigin, message.id, message.displayName, message.resultCount);
         this._clientObjects[message.id] = category;
         this._auditCategories.push(category);
         this.dispatchEventToListeners(WebInspector.ExtensionServer.Events.AuditCategoryAdded, category);
     },
 
     /**
+     * @param {!Object} message
+     * @param {!MessagePort} port
+     */
+    _onAddTraceProvider: function(message, port)
+    {
+        var provider = new WebInspector.ExtensionTraceProvider(port._extensionOrigin, message.id, message.categoryName, message.categoryTooltip);
+        this._clientObjects[message.id] = provider;
+        this._traceProviders.push(provider);
+    },
+
+    /**
+     * @return {!Array<!WebInspector.ExtensionTraceProvider>}
+     */
+    traceProviders: function()
+    {
+        return this._traceProviders;
+    },
+
+    /**
      * @return {!Array.<!WebInspector.ExtensionAuditCategory>}
      */
     auditCategories: function()
     {
         return this._auditCategories;
     },
 
     _onAddAuditResult: function(message)
     {
         var auditResult = /** {!WebInspector.ExtensionAuditCategoryResults} */ (this._clientObjects[message.resultId]);
@@ skipping 483 matching lines @@
 /**
  * @typedef {{code: string, description: string, details: !Array.<*>}}
  */
 WebInspector.ExtensionStatus.Record;
 
 WebInspector.extensionAPI = {};
 defineCommonExtensionSymbols(WebInspector.extensionAPI);
 
 /** @type {!WebInspector.ExtensionServer} */
 WebInspector.extensionServer;