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// Copyright (c) 2010 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.
cr.define('options', function() {
const Tree = cr.ui.Tree;
const TreeItem = cr.ui.TreeItem;
var treeLookup = {};
/**
* Creates a new tree item for sites data.
* @param {Object=} data Data used to create a cookie tree item.
* @constructor
* @extends {TreeItem}
*/
function CookieTreeItem(data) {
var treeItem = new TreeItem({
label: data.title,
data: data
});
treeItem.__proto__ = CookieTreeItem.prototype;
if (data.icon) {
treeItem.icon = data.icon;
}
treeItem.decorate();
return treeItem;
}
CookieTreeItem.prototype = {
__proto__: TreeItem.prototype,
/** @inheritDoc */
decorate: function() {
this.hasChildren = this.data.hasChildren;
},
/** @inheritDoc */
addAt: function(child, index) {
TreeItem.prototype.addAt.call(this, child, index);
if (child.data && child.data.id)
treeLookup[child.data.id] = child;
},
/** @inheritDoc */
remove: function(child) {
TreeItem.prototype.remove.call(this, child);
if (child.data && child.data.id)
delete treeLookup[child.data.id];
},
/**
* Clears all children.
*/
clear: function() {
// We might leave some garbage in treeLookup for removed children.
// But that should be okay because treeLookup is cleared when we
// reload the tree.
this.lastElementChild.textContent = '';
},
/**
* The tree path id.
* @type {string}
*/
get pathId() {
var parent = this.parentItem;
if (parent && parent instanceof CookieTreeItem) {
return parent.pathId + ',' + this.data.id;
} else {
return this.data.id;
}
},
/** @inheritDoc */
get expanded() {
return TreeItem.prototype.__lookupGetter__('expanded').call(this);
},
set expanded(b) {
if (b && this.expanded != b)
chrome.send('loadCookie', [this.pathId]);
TreeItem.prototype.__lookupSetter__('expanded').call(this, b);
}
};
/**
* Creates a new cookies tree.
* @param {Object=} opt_propertyBag Optional properties.
* @constructor
* @extends {Tree}
*/
var CookiesTree = cr.ui.define('tree');
CookiesTree.prototype = {
__proto__: Tree.prototype,
/** @inheritDoc */
addAt: function(child, index) {
Tree.prototype.addAt.call(this, child, index);
if (child.data && child.data.id)
treeLookup[child.data.id] = child;
},
/** @inheritDoc */
remove: function(child) {
Tree.prototype.remove.call(this, child);
if (child.data && child.data.id)
delete treeLookup[child.data.id];
},
/**
* Clears the tree.
*/
clear: function() {
// Remove all fields without recreating the object since other code
// references it.
for (var id in treeLookup) {
delete treeLookup[id];
}
this.textContent = '';
},
/**
* Add tree nodes by given parent.
* @param {Object} parent Parent node.
* @param {int} start Start index of where to insert nodes.
* @param {Array} nodesData Nodes data array.
*/
addByParent: function(parent, start, nodesData) {
if (!parent) {
return;
}
for (var i = 0; i < nodesData.length; ++i) {
parent.addAt(new CookieTreeItem(nodesData[i]), start + i);
}
cr.dispatchSimpleEvent(this, 'change');
},
/**
* Add tree nodes by parent id.
* @param {string} parentId Id of the parent node.
* @param {int} start Start index of where to insert nodes.
* @param {Array} nodesData Nodes data array.
*/
addByParentId: function(parentId, start, nodesData) {
var parent = parentId ? treeLookup[parentId] : this;
this.addByParent(parent, start, nodesData);
},
/**
* Removes tree nodes by parent id.
* @param {string} parentId Id of the parent node.
* @param {int} start Start index of nodes to remove.
* @param {int} count Number of nodes to remove.
*/
removeByParentId: function(parentId, start, count) {
var parent = parentId ? treeLookup[parentId] : this;
if (!parent) {
return;
}
for (; count > 0 && parent.items.length; --count) {
parent.remove(parent.items[start]);
}
cr.dispatchSimpleEvent(this, 'change');
},
/**
* Clears the tree.
*/
clear: function() {
// Remove all fields without recreating the object since other code
// references it.
for (var id in treeLookup){
delete treeLookup[id];
}
this.textContent = '';
},
/**
* Loads the immediate children of given parent node.
* @param {string} parentId Id of the parent node.
* @param {Array} children The immediate children of parent node.
*/
loadChildren: function(parentId, children) {
var parent = parentId ? treeLookup[parentId] : this;
if (!parent) {
return;
}
parent.clear();
this.addByParent(parent, 0, children);
}
};
return {
CookiesTree: CookiesTree
};
});
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