Site Settings Desktop: Implement the cookies list and details dialog.

chrome/browser/resources/settings/site_settings/site_data.js

+// Copyright 2016 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.
+
+/**
+ * @fileoverview
+ * 'site-data' handles showing the local storage summary list for all sites.
+ */
+
+Polymer({
+  is: 'site-data',
+
+  behaviors: [SiteSettingsBehavior, WebUIListenerBehavior],
+
+  properties: {
+    /**
+     * A summary list of all sites and how many entities each contain.
+     * @type {Array<CookieDataSummaryItem>}
+     */
+    sites: Array,
+
+    /**
+     * The cookie tree with the details needed to display individual sites and
+     * their contained data.
+     * @type {!settings.CookieTreeNode}
+     */
+    treeNodes_: Object,
+
+    /**
+     * Keeps track of how many outstanding requests for more data there are.
+     */
+    requests_: Number,
+  },
+
+  ready: function() {
+    this.addWebUIListener('loadChildren', this.loadChildren_.bind(this));
+    this.addWebUIListener('onTreeItemRemoved',
+        this.onTreeItemRemoved_.bind(this));
+    this.treeNodes_ = new settings.CookieTreeNode(null);
+    // Start the initial request.
+    this.browserProxy.reloadCookies();
+    this.requests_ = 1;
+  },
+
+  loadChildren_: function(list) {
+    var parentId = list[0];
+    var data = list[1];
+
+    if (parentId == null) {
+      this.treeNodes_.addChildNodes(this.treeNodes_, data);
+    } else {
+      this.treeNodes_.populateChildNodes(parentId, this.treeNodes_, data);
+    }
+
+    for (var i = 0; i < data.length; ++i) {
+      var prefix = parentId == null ? '' : parentId + ', ';
+      if (data[i].hasChildren) {
+        this.requests_ += 1;
+        this.browserProxy.loadCookieChildren(prefix + data[i].id);
+      }
+    }
+
+    if (--this.requests_ == 0)
+      this.sites = this.treeNodes_.getSummaryList();
+  },
+
+  /**
+   * Called when an item is removed.
+   */
+  onTreeItemRemoved_: function(args) {
+    this.treeNodes_.removeByParentId(args[0], args[1], args[2]);
+    this.sites = this.treeNodes_.getSummaryList();
+  },
+
+  /**
+   * @param {!{model: !{item: !{title: string, id: string}}}} event
+   * @private
+   */
+  onSiteTap_: function(event) {
+    var dialog = document.createElement('site-data-details-dialog');
+    dialog.category = this.category;
+    this.shadowRoot.appendChild(dialog);
+
+    var node = this.treeNodes_.fetchNodeById(event.model.item.id, false);
+    dialog.open(node);
+
+    dialog.addEventListener('iron-overlay-closed', function(event) {
+      // The drop-down box in the dialog also generates iron-overlay-closed.
+      // Ignore anything but that event coming from a dialog object.
+      if (event.path[0].id == 'dialog')
+        dialog.remove();
+    });
+  },
+});