911 lines
32 KiB
JavaScript
Executable File
911 lines
32 KiB
JavaScript
Executable File
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import * as browser from './browser.js';
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import { domEvent } from './event.js';
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import { StandardKeyboardEvent } from './keyboardEvent.js';
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import { StandardMouseEvent } from './mouseEvent.js';
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import { TimeoutTimer } from '../common/async.js';
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import { onUnexpectedError } from '../common/errors.js';
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import { Emitter } from '../common/event.js';
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import { Disposable, dispose, toDisposable } from '../common/lifecycle.js';
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import * as platform from '../common/platform.js';
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import { coalesce } from '../common/arrays.js';
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export function clearNode(node) {
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while (node.firstChild) {
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node.removeChild(node.firstChild);
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}
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}
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export function removeNode(node) {
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if (node.parentNode) {
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node.parentNode.removeChild(node);
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}
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}
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export function isInDOM(node) {
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while (node) {
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if (node === document.body) {
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return true;
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}
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node = node.parentNode;
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}
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return false;
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}
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var _manualClassList = new /** @class */ (function () {
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function class_1() {
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}
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class_1.prototype._findClassName = function (node, className) {
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var classes = node.className;
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if (!classes) {
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this._lastStart = -1;
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return;
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}
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className = className.trim();
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var classesLen = classes.length, classLen = className.length;
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if (classLen === 0) {
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this._lastStart = -1;
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return;
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}
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if (classesLen < classLen) {
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this._lastStart = -1;
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return;
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}
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if (classes === className) {
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this._lastStart = 0;
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this._lastEnd = classesLen;
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return;
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}
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var idx = -1, idxEnd;
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while ((idx = classes.indexOf(className, idx + 1)) >= 0) {
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idxEnd = idx + classLen;
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// a class that is followed by another class
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if ((idx === 0 || classes.charCodeAt(idx - 1) === 32 /* Space */) && classes.charCodeAt(idxEnd) === 32 /* Space */) {
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this._lastStart = idx;
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this._lastEnd = idxEnd + 1;
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return;
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}
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// last class
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if (idx > 0 && classes.charCodeAt(idx - 1) === 32 /* Space */ && idxEnd === classesLen) {
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this._lastStart = idx - 1;
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this._lastEnd = idxEnd;
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return;
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}
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// equal - duplicate of cmp above
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if (idx === 0 && idxEnd === classesLen) {
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this._lastStart = 0;
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this._lastEnd = idxEnd;
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return;
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}
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}
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this._lastStart = -1;
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};
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class_1.prototype.hasClass = function (node, className) {
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this._findClassName(node, className);
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return this._lastStart !== -1;
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};
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class_1.prototype.addClasses = function (node) {
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var _this = this;
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var classNames = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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classNames[_i - 1] = arguments[_i];
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}
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classNames.forEach(function (nameValue) { return nameValue.split(' ').forEach(function (name) { return _this.addClass(node, name); }); });
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};
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class_1.prototype.addClass = function (node, className) {
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if (!node.className) { // doesn't have it for sure
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node.className = className;
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}
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else {
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this._findClassName(node, className); // see if it's already there
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if (this._lastStart === -1) {
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node.className = node.className + ' ' + className;
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}
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}
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};
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class_1.prototype.removeClass = function (node, className) {
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this._findClassName(node, className);
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if (this._lastStart === -1) {
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return; // Prevent styles invalidation if not necessary
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}
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else {
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node.className = node.className.substring(0, this._lastStart) + node.className.substring(this._lastEnd);
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}
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};
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class_1.prototype.removeClasses = function (node) {
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var _this = this;
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var classNames = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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classNames[_i - 1] = arguments[_i];
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}
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classNames.forEach(function (nameValue) { return nameValue.split(' ').forEach(function (name) { return _this.removeClass(node, name); }); });
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};
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class_1.prototype.toggleClass = function (node, className, shouldHaveIt) {
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this._findClassName(node, className);
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if (this._lastStart !== -1 && (shouldHaveIt === undefined || !shouldHaveIt)) {
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this.removeClass(node, className);
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}
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if (this._lastStart === -1 && (shouldHaveIt === undefined || shouldHaveIt)) {
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this.addClass(node, className);
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}
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};
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return class_1;
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}());
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var _nativeClassList = new /** @class */ (function () {
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function class_2() {
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}
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class_2.prototype.hasClass = function (node, className) {
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return Boolean(className) && node.classList && node.classList.contains(className);
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};
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class_2.prototype.addClasses = function (node) {
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var _this = this;
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var classNames = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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classNames[_i - 1] = arguments[_i];
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}
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classNames.forEach(function (nameValue) { return nameValue.split(' ').forEach(function (name) { return _this.addClass(node, name); }); });
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};
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class_2.prototype.addClass = function (node, className) {
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if (className && node.classList) {
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node.classList.add(className);
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}
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};
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class_2.prototype.removeClass = function (node, className) {
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if (className && node.classList) {
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node.classList.remove(className);
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}
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};
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class_2.prototype.removeClasses = function (node) {
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var _this = this;
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var classNames = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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classNames[_i - 1] = arguments[_i];
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}
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classNames.forEach(function (nameValue) { return nameValue.split(' ').forEach(function (name) { return _this.removeClass(node, name); }); });
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};
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class_2.prototype.toggleClass = function (node, className, shouldHaveIt) {
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if (node.classList) {
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node.classList.toggle(className, shouldHaveIt);
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}
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};
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return class_2;
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}());
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// In IE11 there is only partial support for `classList` which makes us keep our
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// custom implementation. Otherwise use the native implementation, see: http://caniuse.com/#search=classlist
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var _classList = browser.isIE ? _manualClassList : _nativeClassList;
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export var hasClass = _classList.hasClass.bind(_classList);
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export var addClass = _classList.addClass.bind(_classList);
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export var addClasses = _classList.addClasses.bind(_classList);
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export var removeClass = _classList.removeClass.bind(_classList);
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export var removeClasses = _classList.removeClasses.bind(_classList);
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export var toggleClass = _classList.toggleClass.bind(_classList);
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var DomListener = /** @class */ (function () {
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function DomListener(node, type, handler, useCapture) {
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this._node = node;
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this._type = type;
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this._handler = handler;
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this._useCapture = (useCapture || false);
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this._node.addEventListener(this._type, this._handler, this._useCapture);
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}
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DomListener.prototype.dispose = function () {
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if (!this._handler) {
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// Already disposed
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return;
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}
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this._node.removeEventListener(this._type, this._handler, this._useCapture);
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// Prevent leakers from holding on to the dom or handler func
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this._node = null;
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this._handler = null;
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};
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return DomListener;
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}());
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export function addDisposableListener(node, type, handler, useCapture) {
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return new DomListener(node, type, handler, useCapture);
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}
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function _wrapAsStandardMouseEvent(handler) {
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return function (e) {
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return handler(new StandardMouseEvent(e));
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};
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}
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function _wrapAsStandardKeyboardEvent(handler) {
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return function (e) {
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return handler(new StandardKeyboardEvent(e));
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};
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}
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export var addStandardDisposableListener = function addStandardDisposableListener(node, type, handler, useCapture) {
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var wrapHandler = handler;
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if (type === 'click' || type === 'mousedown') {
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wrapHandler = _wrapAsStandardMouseEvent(handler);
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}
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else if (type === 'keydown' || type === 'keypress' || type === 'keyup') {
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wrapHandler = _wrapAsStandardKeyboardEvent(handler);
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}
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return addDisposableListener(node, type, wrapHandler, useCapture);
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};
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export function addDisposableNonBubblingMouseOutListener(node, handler) {
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return addDisposableListener(node, 'mouseout', function (e) {
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// Mouse out bubbles, so this is an attempt to ignore faux mouse outs coming from children elements
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var toElement = (e.relatedTarget || e.target);
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while (toElement && toElement !== node) {
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toElement = toElement.parentNode;
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}
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if (toElement === node) {
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return;
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}
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handler(e);
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});
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}
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var _animationFrame = null;
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function doRequestAnimationFrame(callback) {
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if (!_animationFrame) {
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var emulatedRequestAnimationFrame = function (callback) {
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return setTimeout(function () { return callback(new Date().getTime()); }, 0);
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};
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_animationFrame = (self.requestAnimationFrame
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|| self.msRequestAnimationFrame
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|| self.webkitRequestAnimationFrame
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|| self.mozRequestAnimationFrame
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|| self.oRequestAnimationFrame
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|| emulatedRequestAnimationFrame);
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}
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return _animationFrame.call(self, callback);
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}
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/**
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* Schedule a callback to be run at the next animation frame.
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* This allows multiple parties to register callbacks that should run at the next animation frame.
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* If currently in an animation frame, `runner` will be executed immediately.
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* @return token that can be used to cancel the scheduled runner (only if `runner` was not executed immediately).
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*/
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export var runAtThisOrScheduleAtNextAnimationFrame;
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/**
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* Schedule a callback to be run at the next animation frame.
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* This allows multiple parties to register callbacks that should run at the next animation frame.
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* If currently in an animation frame, `runner` will be executed at the next animation frame.
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* @return token that can be used to cancel the scheduled runner.
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*/
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export var scheduleAtNextAnimationFrame;
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var AnimationFrameQueueItem = /** @class */ (function () {
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function AnimationFrameQueueItem(runner, priority) {
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if (priority === void 0) { priority = 0; }
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this._runner = runner;
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this.priority = priority;
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this._canceled = false;
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}
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AnimationFrameQueueItem.prototype.dispose = function () {
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this._canceled = true;
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};
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AnimationFrameQueueItem.prototype.execute = function () {
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if (this._canceled) {
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return;
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}
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try {
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this._runner();
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}
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catch (e) {
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onUnexpectedError(e);
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}
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};
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// Sort by priority (largest to lowest)
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AnimationFrameQueueItem.sort = function (a, b) {
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return b.priority - a.priority;
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};
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return AnimationFrameQueueItem;
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}());
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(function () {
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/**
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* The runners scheduled at the next animation frame
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*/
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var NEXT_QUEUE = [];
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/**
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* The runners scheduled at the current animation frame
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*/
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var CURRENT_QUEUE = null;
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/**
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* A flag to keep track if the native requestAnimationFrame was already called
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*/
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var animFrameRequested = false;
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/**
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* A flag to indicate if currently handling a native requestAnimationFrame callback
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*/
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var inAnimationFrameRunner = false;
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var animationFrameRunner = function () {
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animFrameRequested = false;
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CURRENT_QUEUE = NEXT_QUEUE;
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NEXT_QUEUE = [];
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inAnimationFrameRunner = true;
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while (CURRENT_QUEUE.length > 0) {
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CURRENT_QUEUE.sort(AnimationFrameQueueItem.sort);
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var top_1 = CURRENT_QUEUE.shift();
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top_1.execute();
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}
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inAnimationFrameRunner = false;
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};
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scheduleAtNextAnimationFrame = function (runner, priority) {
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if (priority === void 0) { priority = 0; }
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var item = new AnimationFrameQueueItem(runner, priority);
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NEXT_QUEUE.push(item);
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if (!animFrameRequested) {
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animFrameRequested = true;
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doRequestAnimationFrame(animationFrameRunner);
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}
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return item;
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};
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runAtThisOrScheduleAtNextAnimationFrame = function (runner, priority) {
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if (inAnimationFrameRunner) {
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var item = new AnimationFrameQueueItem(runner, priority);
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CURRENT_QUEUE.push(item);
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return item;
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}
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else {
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return scheduleAtNextAnimationFrame(runner, priority);
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}
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};
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})();
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var MINIMUM_TIME_MS = 16;
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var DEFAULT_EVENT_MERGER = function (lastEvent, currentEvent) {
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return currentEvent;
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};
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var TimeoutThrottledDomListener = /** @class */ (function (_super) {
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__extends(TimeoutThrottledDomListener, _super);
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function TimeoutThrottledDomListener(node, type, handler, eventMerger, minimumTimeMs) {
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if (eventMerger === void 0) { eventMerger = DEFAULT_EVENT_MERGER; }
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if (minimumTimeMs === void 0) { minimumTimeMs = MINIMUM_TIME_MS; }
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var _this = _super.call(this) || this;
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var lastEvent = null;
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var lastHandlerTime = 0;
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var timeout = _this._register(new TimeoutTimer());
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var invokeHandler = function () {
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lastHandlerTime = (new Date()).getTime();
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handler(lastEvent);
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lastEvent = null;
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};
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_this._register(addDisposableListener(node, type, function (e) {
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lastEvent = eventMerger(lastEvent, e);
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var elapsedTime = (new Date()).getTime() - lastHandlerTime;
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if (elapsedTime >= minimumTimeMs) {
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timeout.cancel();
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invokeHandler();
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}
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else {
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timeout.setIfNotSet(invokeHandler, minimumTimeMs - elapsedTime);
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}
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}));
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return _this;
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}
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return TimeoutThrottledDomListener;
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}(Disposable));
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export function addDisposableThrottledListener(node, type, handler, eventMerger, minimumTimeMs) {
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return new TimeoutThrottledDomListener(node, type, handler, eventMerger, minimumTimeMs);
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}
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export function getComputedStyle(el) {
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return document.defaultView.getComputedStyle(el, null);
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}
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var SizeUtils = /** @class */ (function () {
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function SizeUtils() {
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}
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// Adapted from WinJS
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// Converts a CSS positioning string for the specified element to pixels.
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SizeUtils.convertToPixels = function (element, value) {
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return parseFloat(value) || 0;
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};
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SizeUtils.getDimension = function (element, cssPropertyName, jsPropertyName) {
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var computedStyle = getComputedStyle(element);
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var value = '0';
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if (computedStyle) {
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if (computedStyle.getPropertyValue) {
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value = computedStyle.getPropertyValue(cssPropertyName);
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}
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else {
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// IE8
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value = computedStyle.getAttribute(jsPropertyName);
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}
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}
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return SizeUtils.convertToPixels(element, value);
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};
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SizeUtils.getBorderLeftWidth = function (element) {
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return SizeUtils.getDimension(element, 'border-left-width', 'borderLeftWidth');
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};
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SizeUtils.getBorderRightWidth = function (element) {
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return SizeUtils.getDimension(element, 'border-right-width', 'borderRightWidth');
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};
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SizeUtils.getBorderTopWidth = function (element) {
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return SizeUtils.getDimension(element, 'border-top-width', 'borderTopWidth');
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};
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SizeUtils.getBorderBottomWidth = function (element) {
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return SizeUtils.getDimension(element, 'border-bottom-width', 'borderBottomWidth');
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};
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SizeUtils.getPaddingLeft = function (element) {
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return SizeUtils.getDimension(element, 'padding-left', 'paddingLeft');
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};
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SizeUtils.getPaddingRight = function (element) {
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return SizeUtils.getDimension(element, 'padding-right', 'paddingRight');
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};
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SizeUtils.getPaddingTop = function (element) {
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return SizeUtils.getDimension(element, 'padding-top', 'paddingTop');
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};
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SizeUtils.getPaddingBottom = function (element) {
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return SizeUtils.getDimension(element, 'padding-bottom', 'paddingBottom');
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};
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SizeUtils.getMarginLeft = function (element) {
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return SizeUtils.getDimension(element, 'margin-left', 'marginLeft');
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};
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SizeUtils.getMarginTop = function (element) {
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return SizeUtils.getDimension(element, 'margin-top', 'marginTop');
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};
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SizeUtils.getMarginRight = function (element) {
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return SizeUtils.getDimension(element, 'margin-right', 'marginRight');
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};
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SizeUtils.getMarginBottom = function (element) {
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return SizeUtils.getDimension(element, 'margin-bottom', 'marginBottom');
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};
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return SizeUtils;
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}());
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// ----------------------------------------------------------------------------------------
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// Position & Dimension
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var Dimension = /** @class */ (function () {
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function Dimension(width, height) {
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this.width = width;
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this.height = height;
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}
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return Dimension;
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}());
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export { Dimension };
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export function getTopLeftOffset(element) {
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// Adapted from WinJS.Utilities.getPosition
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// and added borders to the mix
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var offsetParent = element.offsetParent, top = element.offsetTop, left = element.offsetLeft;
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while ((element = element.parentNode) !== null && element !== document.body && element !== document.documentElement) {
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top -= element.scrollTop;
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var c = getComputedStyle(element);
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if (c) {
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left -= c.direction !== 'rtl' ? element.scrollLeft : -element.scrollLeft;
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}
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if (element === offsetParent) {
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left += SizeUtils.getBorderLeftWidth(element);
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top += SizeUtils.getBorderTopWidth(element);
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top += element.offsetTop;
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left += element.offsetLeft;
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offsetParent = element.offsetParent;
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}
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}
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return {
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left: left,
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top: top
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};
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}
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/**
|
|
* Returns the position of a dom node relative to the entire page.
|
|
*/
|
|
export function getDomNodePagePosition(domNode) {
|
|
var bb = domNode.getBoundingClientRect();
|
|
return {
|
|
left: bb.left + StandardWindow.scrollX,
|
|
top: bb.top + StandardWindow.scrollY,
|
|
width: bb.width,
|
|
height: bb.height
|
|
};
|
|
}
|
|
export var StandardWindow = new /** @class */ (function () {
|
|
function class_3() {
|
|
}
|
|
Object.defineProperty(class_3.prototype, "scrollX", {
|
|
get: function () {
|
|
if (typeof window.scrollX === 'number') {
|
|
// modern browsers
|
|
return window.scrollX;
|
|
}
|
|
else {
|
|
return document.body.scrollLeft + document.documentElement.scrollLeft;
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(class_3.prototype, "scrollY", {
|
|
get: function () {
|
|
if (typeof window.scrollY === 'number') {
|
|
// modern browsers
|
|
return window.scrollY;
|
|
}
|
|
else {
|
|
return document.body.scrollTop + document.documentElement.scrollTop;
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
return class_3;
|
|
}());
|
|
// Adapted from WinJS
|
|
// Gets the width of the element, including margins.
|
|
export function getTotalWidth(element) {
|
|
var margin = SizeUtils.getMarginLeft(element) + SizeUtils.getMarginRight(element);
|
|
return element.offsetWidth + margin;
|
|
}
|
|
export function getContentWidth(element) {
|
|
var border = SizeUtils.getBorderLeftWidth(element) + SizeUtils.getBorderRightWidth(element);
|
|
var padding = SizeUtils.getPaddingLeft(element) + SizeUtils.getPaddingRight(element);
|
|
return element.offsetWidth - border - padding;
|
|
}
|
|
// Adapted from WinJS
|
|
// Gets the height of the content of the specified element. The content height does not include borders or padding.
|
|
export function getContentHeight(element) {
|
|
var border = SizeUtils.getBorderTopWidth(element) + SizeUtils.getBorderBottomWidth(element);
|
|
var padding = SizeUtils.getPaddingTop(element) + SizeUtils.getPaddingBottom(element);
|
|
return element.offsetHeight - border - padding;
|
|
}
|
|
// Adapted from WinJS
|
|
// Gets the height of the element, including its margins.
|
|
export function getTotalHeight(element) {
|
|
var margin = SizeUtils.getMarginTop(element) + SizeUtils.getMarginBottom(element);
|
|
return element.offsetHeight + margin;
|
|
}
|
|
// ----------------------------------------------------------------------------------------
|
|
export function isAncestor(testChild, testAncestor) {
|
|
while (testChild) {
|
|
if (testChild === testAncestor) {
|
|
return true;
|
|
}
|
|
testChild = testChild.parentNode;
|
|
}
|
|
return false;
|
|
}
|
|
export function findParentWithClass(node, clazz, stopAtClazzOrNode) {
|
|
while (node) {
|
|
if (hasClass(node, clazz)) {
|
|
return node;
|
|
}
|
|
if (stopAtClazzOrNode) {
|
|
if (typeof stopAtClazzOrNode === 'string') {
|
|
if (hasClass(node, stopAtClazzOrNode)) {
|
|
return null;
|
|
}
|
|
}
|
|
else {
|
|
if (node === stopAtClazzOrNode) {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
node = node.parentNode;
|
|
}
|
|
return null;
|
|
}
|
|
export function createStyleSheet(container) {
|
|
if (container === void 0) { container = document.getElementsByTagName('head')[0]; }
|
|
var style = document.createElement('style');
|
|
style.type = 'text/css';
|
|
style.media = 'screen';
|
|
container.appendChild(style);
|
|
return style;
|
|
}
|
|
var _sharedStyleSheet = null;
|
|
function getSharedStyleSheet() {
|
|
if (!_sharedStyleSheet) {
|
|
_sharedStyleSheet = createStyleSheet();
|
|
}
|
|
return _sharedStyleSheet;
|
|
}
|
|
function getDynamicStyleSheetRules(style) {
|
|
if (style && style.sheet && style.sheet.rules) {
|
|
// Chrome, IE
|
|
return style.sheet.rules;
|
|
}
|
|
if (style && style.sheet && style.sheet.cssRules) {
|
|
// FF
|
|
return style.sheet.cssRules;
|
|
}
|
|
return [];
|
|
}
|
|
export function createCSSRule(selector, cssText, style) {
|
|
if (style === void 0) { style = getSharedStyleSheet(); }
|
|
if (!style || !cssText) {
|
|
return;
|
|
}
|
|
style.sheet.insertRule(selector + '{' + cssText + '}', 0);
|
|
}
|
|
export function removeCSSRulesContainingSelector(ruleName, style) {
|
|
if (style === void 0) { style = getSharedStyleSheet(); }
|
|
if (!style) {
|
|
return;
|
|
}
|
|
var rules = getDynamicStyleSheetRules(style);
|
|
var toDelete = [];
|
|
for (var i = 0; i < rules.length; i++) {
|
|
var rule = rules[i];
|
|
if (rule.selectorText.indexOf(ruleName) !== -1) {
|
|
toDelete.push(i);
|
|
}
|
|
}
|
|
for (var i = toDelete.length - 1; i >= 0; i--) {
|
|
style.sheet.deleteRule(toDelete[i]);
|
|
}
|
|
}
|
|
export function isHTMLElement(o) {
|
|
if (typeof HTMLElement === 'object') {
|
|
return o instanceof HTMLElement;
|
|
}
|
|
return o && typeof o === 'object' && o.nodeType === 1 && typeof o.nodeName === 'string';
|
|
}
|
|
export var EventType = {
|
|
// Mouse
|
|
CLICK: 'click',
|
|
DBLCLICK: 'dblclick',
|
|
MOUSE_UP: 'mouseup',
|
|
MOUSE_DOWN: 'mousedown',
|
|
MOUSE_OVER: 'mouseover',
|
|
MOUSE_MOVE: 'mousemove',
|
|
MOUSE_OUT: 'mouseout',
|
|
MOUSE_ENTER: 'mouseenter',
|
|
MOUSE_LEAVE: 'mouseleave',
|
|
CONTEXT_MENU: 'contextmenu',
|
|
WHEEL: 'wheel',
|
|
// Keyboard
|
|
KEY_DOWN: 'keydown',
|
|
KEY_PRESS: 'keypress',
|
|
KEY_UP: 'keyup',
|
|
// HTML Document
|
|
LOAD: 'load',
|
|
UNLOAD: 'unload',
|
|
ABORT: 'abort',
|
|
ERROR: 'error',
|
|
RESIZE: 'resize',
|
|
SCROLL: 'scroll',
|
|
// Form
|
|
SELECT: 'select',
|
|
CHANGE: 'change',
|
|
SUBMIT: 'submit',
|
|
RESET: 'reset',
|
|
FOCUS: 'focus',
|
|
FOCUS_IN: 'focusin',
|
|
FOCUS_OUT: 'focusout',
|
|
BLUR: 'blur',
|
|
INPUT: 'input',
|
|
// Local Storage
|
|
STORAGE: 'storage',
|
|
// Drag
|
|
DRAG_START: 'dragstart',
|
|
DRAG: 'drag',
|
|
DRAG_ENTER: 'dragenter',
|
|
DRAG_LEAVE: 'dragleave',
|
|
DRAG_OVER: 'dragover',
|
|
DROP: 'drop',
|
|
DRAG_END: 'dragend',
|
|
// Animation
|
|
ANIMATION_START: browser.isWebKit ? 'webkitAnimationStart' : 'animationstart',
|
|
ANIMATION_END: browser.isWebKit ? 'webkitAnimationEnd' : 'animationend',
|
|
ANIMATION_ITERATION: browser.isWebKit ? 'webkitAnimationIteration' : 'animationiteration'
|
|
};
|
|
export var EventHelper = {
|
|
stop: function (e, cancelBubble) {
|
|
if (e.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
else {
|
|
// IE8
|
|
e.returnValue = false;
|
|
}
|
|
if (cancelBubble) {
|
|
if (e.stopPropagation) {
|
|
e.stopPropagation();
|
|
}
|
|
else {
|
|
// IE8
|
|
e.cancelBubble = true;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
export function saveParentsScrollTop(node) {
|
|
var r = [];
|
|
for (var i = 0; node && node.nodeType === node.ELEMENT_NODE; i++) {
|
|
r[i] = node.scrollTop;
|
|
node = node.parentNode;
|
|
}
|
|
return r;
|
|
}
|
|
export function restoreParentsScrollTop(node, state) {
|
|
for (var i = 0; node && node.nodeType === node.ELEMENT_NODE; i++) {
|
|
if (node.scrollTop !== state[i]) {
|
|
node.scrollTop = state[i];
|
|
}
|
|
node = node.parentNode;
|
|
}
|
|
}
|
|
var FocusTracker = /** @class */ (function () {
|
|
function FocusTracker(element) {
|
|
var _this = this;
|
|
this._onDidFocus = new Emitter();
|
|
this.onDidFocus = this._onDidFocus.event;
|
|
this._onDidBlur = new Emitter();
|
|
this.onDidBlur = this._onDidBlur.event;
|
|
this.disposables = [];
|
|
var hasFocus = isAncestor(document.activeElement, element);
|
|
var loosingFocus = false;
|
|
var onFocus = function () {
|
|
loosingFocus = false;
|
|
if (!hasFocus) {
|
|
hasFocus = true;
|
|
_this._onDidFocus.fire();
|
|
}
|
|
};
|
|
var onBlur = function () {
|
|
if (hasFocus) {
|
|
loosingFocus = true;
|
|
window.setTimeout(function () {
|
|
if (loosingFocus) {
|
|
loosingFocus = false;
|
|
hasFocus = false;
|
|
_this._onDidBlur.fire();
|
|
}
|
|
}, 0);
|
|
}
|
|
};
|
|
domEvent(element, EventType.FOCUS, true)(onFocus, null, this.disposables);
|
|
domEvent(element, EventType.BLUR, true)(onBlur, null, this.disposables);
|
|
}
|
|
FocusTracker.prototype.dispose = function () {
|
|
this.disposables = dispose(this.disposables);
|
|
this._onDidFocus.dispose();
|
|
this._onDidBlur.dispose();
|
|
};
|
|
return FocusTracker;
|
|
}());
|
|
export function trackFocus(element) {
|
|
return new FocusTracker(element);
|
|
}
|
|
export function append(parent) {
|
|
var children = [];
|
|
for (var _i = 1; _i < arguments.length; _i++) {
|
|
children[_i - 1] = arguments[_i];
|
|
}
|
|
children.forEach(function (child) { return parent.appendChild(child); });
|
|
return children[children.length - 1];
|
|
}
|
|
var SELECTOR_REGEX = /([\w\-]+)?(#([\w\-]+))?((.([\w\-]+))*)/;
|
|
export function $(description, attrs) {
|
|
var children = [];
|
|
for (var _i = 2; _i < arguments.length; _i++) {
|
|
children[_i - 2] = arguments[_i];
|
|
}
|
|
var match = SELECTOR_REGEX.exec(description);
|
|
if (!match) {
|
|
throw new Error('Bad use of emmet');
|
|
}
|
|
var result = document.createElement(match[1] || 'div');
|
|
if (match[3]) {
|
|
result.id = match[3];
|
|
}
|
|
if (match[4]) {
|
|
result.className = match[4].replace(/\./g, ' ').trim();
|
|
}
|
|
attrs = attrs || {};
|
|
Object.keys(attrs).forEach(function (name) {
|
|
var value = attrs[name];
|
|
if (/^on\w+$/.test(name)) {
|
|
result[name] = value;
|
|
}
|
|
else if (name === 'selected') {
|
|
if (value) {
|
|
result.setAttribute(name, 'true');
|
|
}
|
|
}
|
|
else {
|
|
result.setAttribute(name, value);
|
|
}
|
|
});
|
|
coalesce(children)
|
|
.forEach(function (child) {
|
|
if (child instanceof Node) {
|
|
result.appendChild(child);
|
|
}
|
|
else {
|
|
result.appendChild(document.createTextNode(child));
|
|
}
|
|
});
|
|
return result;
|
|
}
|
|
export function show() {
|
|
var elements = [];
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
|
elements[_i] = arguments[_i];
|
|
}
|
|
for (var _a = 0, elements_1 = elements; _a < elements_1.length; _a++) {
|
|
var element = elements_1[_a];
|
|
element.style.display = '';
|
|
element.removeAttribute('aria-hidden');
|
|
}
|
|
}
|
|
export function hide() {
|
|
var elements = [];
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
|
elements[_i] = arguments[_i];
|
|
}
|
|
for (var _a = 0, elements_2 = elements; _a < elements_2.length; _a++) {
|
|
var element = elements_2[_a];
|
|
element.style.display = 'none';
|
|
element.setAttribute('aria-hidden', 'true');
|
|
}
|
|
}
|
|
function findParentWithAttribute(node, attribute) {
|
|
while (node) {
|
|
if (node instanceof HTMLElement && node.hasAttribute(attribute)) {
|
|
return node;
|
|
}
|
|
node = node.parentNode;
|
|
}
|
|
return null;
|
|
}
|
|
export function removeTabIndexAndUpdateFocus(node) {
|
|
if (!node || !node.hasAttribute('tabIndex')) {
|
|
return;
|
|
}
|
|
// If we are the currently focused element and tabIndex is removed,
|
|
// standard DOM behavior is to move focus to the <body> element. We
|
|
// typically never want that, rather put focus to the closest element
|
|
// in the hierarchy of the parent DOM nodes.
|
|
if (document.activeElement === node) {
|
|
var parentFocusable = findParentWithAttribute(node.parentElement, 'tabIndex');
|
|
if (parentFocusable) {
|
|
parentFocusable.focus();
|
|
}
|
|
}
|
|
node.removeAttribute('tabindex');
|
|
}
|
|
export function getElementsByTagName(tag) {
|
|
return Array.prototype.slice.call(document.getElementsByTagName(tag), 0);
|
|
}
|
|
/**
|
|
* Find a value usable for a dom node size such that the likelihood that it would be
|
|
* displayed with constant screen pixels size is as high as possible.
|
|
*
|
|
* e.g. We would desire for the cursors to be 2px (CSS px) wide. Under a devicePixelRatio
|
|
* of 1.25, the cursor will be 2.5 screen pixels wide. Depending on how the dom node aligns/"snaps"
|
|
* with the screen pixels, it will sometimes be rendered with 2 screen pixels, and sometimes with 3 screen pixels.
|
|
*/
|
|
export function computeScreenAwareSize(cssPx) {
|
|
var screenPx = window.devicePixelRatio * cssPx;
|
|
return Math.max(1, Math.floor(screenPx)) / window.devicePixelRatio;
|
|
}
|
|
/**
|
|
* See https://github.com/Microsoft/monaco-editor/issues/601
|
|
* To protect against malicious code in the linked site, particularly phishing attempts,
|
|
* the window.opener should be set to null to prevent the linked site from having access
|
|
* to change the location of the current page.
|
|
* See https://mathiasbynens.github.io/rel-noopener/
|
|
*/
|
|
export function windowOpenNoOpener(url) {
|
|
if (platform.isNative || browser.isEdgeWebView) {
|
|
// In VSCode, window.open() always returns null...
|
|
// The same is true for a WebView (see https://github.com/Microsoft/monaco-editor/issues/628)
|
|
window.open(url);
|
|
}
|
|
else {
|
|
var newTab = window.open();
|
|
if (newTab) {
|
|
newTab.opener = null;
|
|
newTab.location.href = url;
|
|
}
|
|
}
|
|
}
|
|
export function animate(fn) {
|
|
var step = function () {
|
|
fn();
|
|
stepDisposable = scheduleAtNextAnimationFrame(step);
|
|
};
|
|
var stepDisposable = scheduleAtNextAnimationFrame(step);
|
|
return toDisposable(function () { return stepDisposable.dispose(); });
|
|
}
|