Files
sdkjs/common/browser.js
2020-07-16 13:40:19 +03:00

268 lines
9.1 KiB
JavaScript

/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
"use strict";
(
/**
* @param {Window} window
* @param {undefined} undefined
*/
function (window, undefined) {
var AscBrowser = {
userAgent : "",
isIE : false,
isMacOs : false,
isSafariMacOs : false,
isAppleDevices : false,
isAndroid : false,
isMobile : false,
isGecko : false,
isChrome : false,
isOpera : false,
isOperaOld : false,
isWebkit : false,
isSafari : false,
isArm : false,
isMozilla : false,
isRetina : false,
isLinuxOS : false,
retinaPixelRatio : 1,
isVivaldiLinux : false,
isSailfish : false,
isEmulateDevicePixelRatio : false,
isNeedEmulateUpload : false,
chromeVersion : 70,
iosVersion : 13
};
// user agent lower case
AscBrowser.userAgent = navigator.userAgent.toLowerCase();
// ie detect
AscBrowser.isIE = (AscBrowser.userAgent.indexOf("msie") > -1 ||
AscBrowser.userAgent.indexOf("trident") > -1 ||
AscBrowser.userAgent.indexOf("edge") > -1);
AscBrowser.isIeEdge = (AscBrowser.userAgent.indexOf("edge/") > -1);
AscBrowser.isIE9 = (AscBrowser.userAgent.indexOf("msie9") > -1 || AscBrowser.userAgent.indexOf("msie 9") > -1);
AscBrowser.isIE10 = (AscBrowser.userAgent.indexOf("msie10") > -1 || AscBrowser.userAgent.indexOf("msie 10") > -1);
// macOs detect
AscBrowser.isMacOs = (AscBrowser.userAgent.indexOf('mac') > -1);
// chrome detect
AscBrowser.isChrome = !AscBrowser.isIE && (AscBrowser.userAgent.indexOf("chrome") > -1);
if (AscBrowser.isChrome)
{
var checkVersion = AscBrowser.userAgent.match(/chrom(e|ium)\/([0-9]+)\./);
if (checkVersion && checkVersion[2])
AscBrowser.chromeVersion = parseInt(checkVersion[2], 10);
}
// safari detect
AscBrowser.isSafari = !AscBrowser.isIE && !AscBrowser.isChrome && (AscBrowser.userAgent.indexOf("safari") > -1);
// macOs safari detect
AscBrowser.isSafariMacOs = (AscBrowser.isSafari && AscBrowser.isMacOs);
// apple devices detect
AscBrowser.isAppleDevices = (AscBrowser.userAgent.indexOf("ipad") > -1 ||
AscBrowser.userAgent.indexOf("iphone") > -1 ||
AscBrowser.userAgent.indexOf("ipod") > -1);
if (AscBrowser.isAppleDevices)
{
var iosversion = AscBrowser.iosVersion;
try
{
if (/iP(hone|od|ad)/.test(navigator.platform))
{
var v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/);
//[parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)];
iosversion = parseInt(v[1], 10);
}
}
catch (err)
{
}
AscBrowser.iosVersion = iosversion;
}
// android devices detect
AscBrowser.isAndroid = (AscBrowser.userAgent.indexOf("android") > -1);
// mobile detect
AscBrowser.isMobile = /android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent || navigator.vendor || window.opera);
// gecko detect
AscBrowser.isGecko = (AscBrowser.userAgent.indexOf("gecko/") > -1);
// opera detect
AscBrowser.isOpera = (!!window.opera || AscBrowser.userAgent.indexOf("opr/") > -1);
AscBrowser.isOperaOld = (!!window.opera);
// webkit detect
AscBrowser.isWebkit = !AscBrowser.isIE && (AscBrowser.userAgent.indexOf("webkit") > -1);
// arm detect
AscBrowser.isArm = (AscBrowser.userAgent.indexOf("arm") > -1);
AscBrowser.isMozilla = !AscBrowser.isIE && (AscBrowser.userAgent.indexOf("firefox") > -1);
AscBrowser.isLinuxOS = (AscBrowser.userAgent.indexOf(" linux ") > -1);
AscBrowser.isVivaldiLinux = AscBrowser.isLinuxOS && (AscBrowser.userAgent.indexOf("vivaldi") > -1);
AscBrowser.isSailfish = (AscBrowser.userAgent.indexOf("sailfish") > -1);
AscBrowser.isEmulateDevicePixelRatio = (AscBrowser.userAgent.indexOf("emulatedevicepixelratio") > -1);
AscBrowser.isNeedEmulateUpload = (AscBrowser.userAgent.indexOf("needemulateupload") > -1);
AscBrowser.zoom = 1;
AscBrowser.checkZoom = function()
{
if (AscBrowser.isSailfish && AscBrowser.isEmulateDevicePixelRatio)
{
var scale = 1;
if (screen.width <= 540)
scale = 1.5;
else if (screen.width > 540 && screen.width <= 768)
scale = 2;
else if (screen.width > 768)
scale = 3;
//document.body.style.zoom = scale;
//AscBrowser.zoom = 1 / scale;
AscBrowser.isRetina = (scale >= 1.9);
AscBrowser.retinaPixelRatio = scale;
window.devicePixelRatio = scale;
return;
}
if (AscBrowser.isAndroid)
{
AscBrowser.isRetina = (window.devicePixelRatio >= 1.9);
AscBrowser.retinaPixelRatio = window.devicePixelRatio;
return;
}
AscBrowser.zoom = 1.0;
AscBrowser.isRetina = false;
AscBrowser.retinaPixelRatio = 1;
// пока отключаем мозиллу... хотя почти все работает
if ((/*AscBrowser.isMozilla || */AscBrowser.isChrome) && !AscBrowser.isOperaOld && !AscBrowser.isMobile && document && document.firstElementChild && document.body)
{
// делаем простую проверку
// считаем: 0 < window.devicePixelRatio < 2 => _devicePixelRatio = 1; zoom = window.devicePixelRatio / _devicePixelRatio;
// считаем: window.devicePixelRatio >= 2 => _devicePixelRatio = 2; zoom = window.devicePixelRatio / _devicePixelRatio;
if (window.devicePixelRatio > 0.1)
{
if (window.devicePixelRatio < 1.99)
{
var _devicePixelRatio = 1;
AscBrowser.zoom = window.devicePixelRatio / _devicePixelRatio;
}
else
{
var _devicePixelRatio = 2;
AscBrowser.zoom = window.devicePixelRatio / _devicePixelRatio;
AscBrowser.isRetina = true;
}
}
var firstElemStyle = document.firstElementChild.style;
if (AscBrowser.isMozilla)
{
if (window.devicePixelRatio > 0.1)
{
firstElemStyle.transformOrigin = "0 0";
firstElemStyle.transform = ("scale(" + (1 / AscBrowser.zoom) + ")");
firstElemStyle.width = ((AscBrowser.zoom * 100) + "%");
firstElemStyle.height = ((AscBrowser.zoom * 100) + "%");
}
else
{
firstElemStyle.transformOrigin = "0 0";
firstElemStyle.transform = "scale(1)";
firstElemStyle.width = "100%";
firstElemStyle.height = "100%";
}
}
else
{
if (window.devicePixelRatio > 0.1)
{
// chrome 54.x: zoom = "reset" - clear retina zoom (windows)
//document.firstElementChild.style.zoom = "reset";
firstElemStyle.zoom = 1.0 / AscBrowser.zoom;
}
else
firstElemStyle.zoom = "normal";
}
if (AscBrowser.isRetina)
AscBrowser.retinaPixelRatio = 2;
}
else
{
AscBrowser.isRetina = (Math.abs(2 - (window.devicePixelRatio / AscBrowser.zoom)) < 0.01);
if (AscBrowser.isRetina)
AscBrowser.retinaPixelRatio = 2;
if (AscBrowser.isMobile)
{
AscBrowser.isRetina = (window.devicePixelRatio >= 1.9);
AscBrowser.retinaPixelRatio = window.devicePixelRatio;
}
}
};
AscBrowser.checkZoom();
AscBrowser.convertToRetinaValue = function(value, isScale)
{
if (isScale === true)
return ((value * AscBrowser.retinaPixelRatio) + 0.5) >> 0;
else
return ((value / AscBrowser.retinaPixelRatio) + 0.5) >> 0;
};
//--------------------------------------------------------export----------------------------------------------------
window['AscCommon'] = window['AscCommon'] || {};
window['AscCommon'].AscBrowser = AscBrowser;
})(window);