138 lines
4.1 KiB
Haxe
138 lines
4.1 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package js;
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import js.html.Storage;
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import js.html.XMLHttpRequest;
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class Browser {
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/** The global scope typed with fields available only in a worker context. */
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public static var self(get, never):js.html.WorkerGlobalScope;
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static inline function get_self():js.html.WorkerGlobalScope {
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return js.Lib.global;
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}
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/** The global window object. */
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public static var window(get, never):js.html.Window;
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extern inline static function get_window()
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return js.Syntax.code("window");
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/** Shortcut to Window.document. */
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public static var document(get, never):js.html.HTMLDocument;
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extern inline static function get_document()
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return window.document;
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/** Shortcut to Window.location. */
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public static var location(get, never):js.html.Location;
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extern inline static function get_location()
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return js.Lib.global.location;
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/** Shortcut to Window.navigator. */
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public static var navigator(get, never):js.html.Navigator;
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extern inline static function get_navigator()
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return js.Lib.global.navigator;
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/** Shortcut to Window.console. */
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public static var console(get, never):js.html.ConsoleInstance;
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extern inline static function get_console()
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return js.Lib.global.console;
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/**
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* True if a window object exists, false otherwise.
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*
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* This can be used to check if the code is being executed in a non-browser
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* environment such as node.js.
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*/
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public static var supported(get, never):Bool;
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static function get_supported()
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return
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js.Syntax.typeof(window) != "undefined" &&
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js.Syntax.typeof(window.location) != "undefined" &&
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js.Syntax.typeof(window.location.protocol) == "string";
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/**
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* Safely gets the browser's local storage, or returns null if localStorage is unsupported or
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* disabled.
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*/
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public static function getLocalStorage():Null<Storage> {
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try {
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var s = window.localStorage;
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s.getItem("");
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if (s.length == 0) {
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var key = "_hx_" + Math.random();
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s.setItem(key, key);
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s.removeItem(key);
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}
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return s;
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} catch (e:Dynamic) {
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return null;
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}
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}
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/**
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* Safely gets the browser's session storage, or returns null if sessionStorage is unsupported
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* or disabled.
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*/
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public static function getSessionStorage():Storage {
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try {
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var s = window.sessionStorage;
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s.getItem("");
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if (s.length == 0) {
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var key = "_hx_" + Math.random();
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s.setItem(key, key);
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s.removeItem(key);
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}
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return s;
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} catch (e:Dynamic) {
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return null;
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}
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}
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/**
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* Creates an XMLHttpRequest, with a fallback to ActiveXObject for ancient versions of Internet
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* Explorer.
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*/
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public static function createXMLHttpRequest():XMLHttpRequest {
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if (js.Syntax.code("typeof XMLHttpRequest") != "undefined") {
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return new XMLHttpRequest();
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}
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if (js.Syntax.code("typeof ActiveXObject") != "undefined") {
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return js.Syntax.construct("ActiveXObject", "Microsoft.XMLHTTP");
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}
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throw "Unable to create XMLHttpRequest object.";
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}
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/**
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Display an alert message box containing the given message. See also `Window.alert()`.
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**/
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public static inline function alert(v:Dynamic) {
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window.alert(Std.string(v));
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}
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}
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