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// 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,
/**
* The current filter applied to the cookie data list.
*/
filterString_: {
type: String,
value: '',
}
},
ready: function() {
this.addWebUIListener('onTreeItemRemoved',
this.onTreeItemRemoved_.bind(this));
this.treeNodes_ = new settings.CookieTreeNode(null);
// Start the initial request.
this.reloadCookies_();
},
/**
* Reloads the whole cookie list.
* @private
*/
reloadCookies_: function() {
this.browserProxy.reloadCookies().then(function(list) {
this.loadChildren_(list);
}.bind(this));
},
/**
* A filter function for the list.
* @param {!CookieDataSummaryItem} item The item to possibly filter out.
* @return {!boolean} Whether to show the item.
* @private
*/
showItem_: function(item) {
if (this.filterString_.length == 0)
return true;
return item.site.indexOf(this.filterString_) > -1;
},
/** @private */
onSearchChanged_: function(e) {
this.filterString_ = e.detail;
this.$.list.render();
},
/** @private */
isRemoveButtonVisible_: function(sites, renderedItemCount) {
return renderedItemCount != 0;
},
/**
* Returns the string to use for the Remove label.
* @return {!string} filterString The current filter string.
* @private
*/
computeRemoveLabel_: function(filterString) {
if (filterString.length == 0)
return loadTimeData.getString('siteSettingsCookieRemoveAll');
return loadTimeData.getString('siteSettingsCookieRemoveAllShown');
},
/**
* Called when the cookie list is ready to be shown.
* @param {!CookieList} list The cookie list to show.
* @private
*/
loadChildren_: function(list) {
var parentId = list.id;
var data = list.children;
if (parentId == null) {
// New root being added, clear the list and add the nodes.
this.sites = [];
this.requests_ = 0;
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_;
this.browserProxy.loadCookieChildren(
prefix + data[i].id).then(function(list) {
--this.requests_;
this.loadChildren_(list);
}.bind(this));
}
}
if (this.requests_ == 0)
this.sites = this.treeNodes_.getSummaryList();
// If this reaches below zero then we're forgetting to increase the
// outstanding request count and the summary list won't be updated at the
// end.
assert(this.requests_ >= 0);
},
/**
* Called when a single item has been removed (not during delete all).
* @param {!CookieRemovePacket} args The details about what to remove.
*/
onTreeItemRemoved_: function(args) {
this.treeNodes_.removeByParentId(args.id, args.start, args.count);
this.sites = this.treeNodes_.getSummaryList();
},
/**
* Deletes all site data for a given site.
* @param {!{model: !{item: CookieDataSummaryItem}}} event
* @private
*/
onDeleteSite_: function(event) {
this.browserProxy.removeCookie(event.model.item.id);
},
/**
* Deletes site data for multiple sites.
* @private
*/
onDeleteMultipleSites_: function() {
if (this.filterString_.length == 0) {
this.browserProxy.removeAllCookies().then(function(list) {
this.loadChildren_(list);
}.bind(this));
} else {
var items = this.$.list.items;
for (var i = 0; i < items.length; ++i) {
if (this.showItem_(items[i]))
this.browserProxy.removeCookie(items[i].id);
}
}
},
/**
* @param {!{model: !{item: CookieDataSummaryItem}}} 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('close', function(event) {
dialog.remove();
});
},
});
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