[Devtools] Restructure network nodes for friendlier products/grouping

third_party/WebKit/Source/devtools/front_end/network/NetworkFrameGrouper.js

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @implements {Network.GroupLookupInterface}
+ */
+Network.FrameGrouper = class {
+  /**
+   * @param {!Network.NetworkLogView} parentView
+   */
+  constructor(parentView) {
+    this._parentView = parentView;
+    /** @type {?ProductRegistry.Registry} */
+    this._productRegistry = null;
+    /** @type {!Map<!SDK.ResourceTreeFrame, !Network.FrameGroupNode>} */
+    this._activeGroups = new Map();
+  }
+
+  /**
+   * @override
+   * @return {!Promise}
+   */
+  initialize() {
+    return ProductRegistry.instance().then(productRegistry => {
+      this._productRegistry = productRegistry;
+      this._activeGroups.forEach(node => node.refresh());
+    });
+  }
+
+  /**
+   * @override
+   * @param {!SDK.NetworkRequest} request
+   * @return {?Network.NetworkGroupNode}
+   */
+  groupNodeForRequest(request) {
+    var frame = SDK.ResourceTreeModel.frameForRequest(request);
+    if (!frame || frame.isMainFrame())
+      return null;
+    var groupNode = this._activeGroups.get(frame);
+    if (groupNode)
+      return groupNode;
+    groupNode = new Network.FrameGroupNode(this._parentView, frame, this);
+    this._activeGroups.set(frame, groupNode);
+    return groupNode;
+  }
+
+  /**
+   * @override
+   */
+  reset() {
+    this._activeGroups.clear();
+  }
+};
+
+Network.FrameGroupNode = class extends Network.NetworkGroupNode {
+  /**
+   * @param {!Network.NetworkLogView} parentView
+   * @param {!SDK.ResourceTreeFrame} frame
+   * @param {!Network.FrameGrouper} grouper
+   */
+  constructor(parentView, frame, grouper) {
+    super(parentView);
+    this._frame = frame;
+    this._grouper = grouper;
+    /** @type {?ProductRegistry.Registry.ProductEntry|undefined} */
+    this._productEntryCache;
+  }
+
+  /**
+   * @override
+   * @return {boolean}
+   */
+  isFromFrame() {
+    return true;
+  }
+
+  /**
+   * @override
+   */
+  displayName() {
+    var entry = this._entry();
+    return entry ? entry.name : (new Common.ParsedURL(this._frame.url)).host || this._frame.name || '<iframe>';
+  }
+
+  /**
+   * @override
+   * @param {!Element} cell
+   * @param {string} columnId
+   */
+  renderCell(cell, columnId) {
+    super.renderCell(cell, columnId);
+    if (columnId === 'name') {
+      var name = this.displayName();
+      cell.textContent = name;
+      cell.title = name;
+    }
+    if (columnId === 'product') {
+      var entry = this._entry();
+      if (!entry)
+        return;
+      cell.textContent = entry.name;
+      cell.title = entry.name;
+    }
+  }
+
+  /**
+   * @return {?ProductRegistry.Registry.ProductEntry}
+   */
+  _entry() {
+    if (this._productEntryCache !== undefined)
+      return this._productEntryCache;
+    var productRegistry = this._grouper._productRegistry;
+    if (!productRegistry)
+      return null;
+    this._productEntryCache = productRegistry.entryForFrame(this._frame);
+    return this._productEntryCache;
+  }
+};