DevTools: introduce WI.Resource.contentSize() and WI.Resource.lastModified()

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

 /*
  * Copyright (C) 2007, 2008 Apple 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
  * @extends {WebInspector.SDKObject}
  * @implements {WebInspector.ContentProvider}
  * @param {!WebInspector.Target} target
  * @param {?WebInspector.NetworkRequest} request
  * @param {string} url
  * @param {string} documentURL
  * @param {!PageAgent.FrameId} frameId
  * @param {!NetworkAgent.LoaderId} loaderId
  * @param {!WebInspector.ResourceType} type
  * @param {string} mimeType
+ * @param {?Date} lastModified
+ * @param {?number} contentSize
  */
-WebInspector.Resource = function(target, request, url, documentURL, frameId, loaderId, type, mimeType)
+WebInspector.Resource = function(target, request, url, documentURL, frameId, loaderId, type, mimeType, lastModified, contentSize)
 {
     WebInspector.SDKObject.call(this, target);
     this._request = request;
     this.url = url;
     this._documentURL = documentURL;
     this._frameId = frameId;
     this._loaderId = loaderId;
     this._type = type || WebInspector.resourceTypes.Other;
     this._mimeType = mimeType;
 
+    this._lastModified = lastModified && lastModified.isValid() ? lastModified : null;
+    this._contentSize = contentSize;
+
     /** @type {?string} */ this._content;
     /** @type {boolean} */ this._contentEncoded;
     this._pendingContentCallbacks = [];
     if (this._request && !this._request.finished)
         this._request.addEventListener(WebInspector.NetworkRequest.Events.FinishedLoading, this._requestFinished, this);
 }
 
 WebInspector.Resource.prototype = {
     /**
+     * @return {?Date}
+     */
+    lastModified: function()
+    {
+        if (this._lastModified || !this._request)
+            return this._lastModified;
+        var lastModifiedHeader = this._request.responseLastModified();
+        var date = lastModifiedHeader ? new Date(lastModifiedHeader) : null;
+        this._lastModified = date && date.isValid() ? date : null;
+        return this._lastModified;
+    },
+
+    /**
+     * @return {?number}
+     */
+    contentSize: function()
+    {
+        if (typeof this._contentSize === "number" || !this._request)
+            return this._contentSize;
+        return this._request.resourceSize;
+    },
+
+    /**
      * @return {?WebInspector.NetworkRequest}
      */
     get request()
     {
         return this._request;
     },
 
     /**
      * @return {string}
      */
@@ skipping 247 matching lines @@
         if (this._type.isTextType())
             return true;
         if (this._type === WebInspector.resourceTypes.Other)
             return !!this._content && !this._contentEncoded;
         return false;
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }