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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Accessibility = void 0;
/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class Accessibility {
constructor(getAXTree) {
this._getAXTree = void 0;
this._getAXTree = getAXTree;
}
async snapshot(options = {}) {
const {
interestingOnly = true,
root = null
} = options;
const {
tree,
needle
} = await this._getAXTree(root || undefined);
if (!interestingOnly) {
if (root) return needle && serializeTree(needle)[0];
return serializeTree(tree)[0];
}
const interestingNodes = new Set();
collectInterestingNodes(interestingNodes, tree, false);
if (root && (!needle || !interestingNodes.has(needle))) return null;
return serializeTree(needle || tree, interestingNodes)[0];
}
}
exports.Accessibility = Accessibility;
function collectInterestingNodes(collection, node, insideControl) {
if (node.isInteresting(insideControl)) collection.add(node);
if (node.isLeafNode()) return;
insideControl = insideControl || node.isControl();
for (const child of node.children()) collectInterestingNodes(collection, child, insideControl);
}
function serializeTree(node, whitelistedNodes) {
const children = [];
for (const child of node.children()) children.push(...serializeTree(child, whitelistedNodes));
if (whitelistedNodes && !whitelistedNodes.has(node)) return children;
const serializedNode = node.serialize();
if (children.length) serializedNode.children = children;
return [serializedNode];
}