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/* global OC, $, t, Gallery, oc_requesttoken */
(function () {
/**
* Contains utility methods
*
* @fixme OC.generateUrl, OC.buildQueryString, OC.Notification are private APIs
*
* @constructor
*/
var Utility = function () {
};
Utility.prototype = {
/**
* Detects if the browser is a recent or an old version of Internet Explorer
*
* @returns {*}
*/
getIeVersion: function () {
if (navigator.userAgent.indexOf("MSIE") > 0) {
return 'old';
} else if (!!navigator.userAgent.match(/Trident.*rv[ :]*11\./)) {
return 'modern';
}
return false;
},
/**
* Shows a notification to IE users, letting them know that they should use another browser
* in order to get the best experience
*
* @param {string} age
*/
showIeWarning: function (age) {
var line1 = t('gallery', 'This application may not work properly on your browser.');
var line2 = t('gallery',
'For an improved experience, please install one of the following alternatives');
var timeout = 15;
if (age === 'old') {
line1 = t('gallery', 'Your browser is not supported!');
line2 = t('gallery', 'please install one of the following alternatives');
timeout = 60;
}
var recommendedBrowsers = '</br>' +
'<a href="http://www.getfirefox.com"><strong>Mozilla Firefox</strong></a> or ' +
'<a href="https://www.google.com/chrome/"><strong>Google Chrome</strong></a>' +
'</br>';
var text = '<strong>' + line1 + '</strong></br>' + line2 + recommendedBrowsers;
this.showHtmlNotification(text, timeout);
},
/**
* Shows a notification at the top of the screen
*
* @param {string} text
* @param {int} timeout
*/
showHtmlNotification: function (text, timeout) {
var options = {
timeout: timeout,
isHTML: true
};
OC.Notification.showTemporary(text, options);
},
/**
* Returns the token alowing access to files
*
* @returns {string}
*/
getRequestToken: function () {
var element = $('#gallery');
var token;
if (element.data('token')) {
token = element.data('token');
}
if (element.data('requesttoken')) {
/* jshint camelcase: false */
oc_requesttoken = element.data('requesttoken');
}
return token;
},
/**
* Builds the URL which will retrieve a large preview of the file
*
* @fixme we cannot get rid of oc_requesttoken parameter as it's missing from the headers
*
* @param {number} fileId
* @param {number} etag
*
* @return {string}
*/
getPreviewUrl: function (fileId, etag) {
var width = Math.floor(screen.width * window.devicePixelRatio);
var height = Math.floor(screen.height * window.devicePixelRatio);
/* Find value of longest edge. */
var longEdge = Math.max( width, height );
/* Find the next larger image size. */
if ( longEdge % 100 !== 0 ){
longEdge = ( longEdge + 100 ) - ( longEdge % 100 );
}
/* jshint camelcase: false */
var params = {
c: etag,
width: longEdge,
height: longEdge,
requesttoken: oc_requesttoken
};
return this.buildGalleryUrl('preview', '/' + fileId, params);
},
/**
* Builds a URL pointing to one of the app's controllers
*
* @param {string} endPoint
* @param {undefined|string} path
* @param params
*
* @returns {string}
*/
buildGalleryUrl: function (endPoint, path, params) {
if (path === undefined) {
path = '';
}
var extension = '';
if (Gallery.token) {
params.token = Gallery.token;
extension = '.public';
}
var query = OC.buildQueryString(params);
return OC.generateUrl('apps/' + Gallery.appName + '/' + endPoint + extension + path,
null) +
'?' +
query;
},
/**
* Builds a URL pointing to one of the files' controllers
*
* @param {string} path
* @param {string} files
*
* @returns {string}
*/
buildFilesUrl: function (path, files) {
var subUrl = '';
var params = {
path: path,
files: files
};
if (Gallery.token) {
params.token = Gallery.token;
subUrl = 's/{token}/download?path={path}&files={files}';
} else {
subUrl = 'apps/files/ajax/download.php?dir={path}&files={files}';
}
return OC.generateUrl(subUrl, params);
},
/**
* Sorts arrays based on name or date
*
* @param {string} sortType
* @param {string} sortOrder
*
* @returns {Function}
*/
sortBy: function (sortType, sortOrder) {
if (sortType === 'name') {
if (sortOrder === 'asc') {
//sortByNameAsc
return function (a, b) {
return a.path.toLowerCase().localeCompare(b.path.toLowerCase());
};
}
//sortByNameDes
return function (a, b) {
return b.path.toLowerCase().localeCompare(a.path.toLowerCase());
};
}
if (sortType === 'date') {
if (sortOrder === 'asc') {
//sortByDateAsc
return function (a, b) {
return b.mTime - a.mTime;
};
}
//sortByDateDes
return function (a, b) {
return a.mTime - b.mTime;
};
}
}
};
Gallery.Utility = Utility;
})();
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