Browse Source
* fix(ui): re-login problem in new tab * refresh page in new tab automatically * support to reload router view in lightweight * optimize visibility codepull/3/MERGE
Shiwen Cheng
4 years ago
committed by
GitHub
3 changed files with 93 additions and 2 deletions
@ -0,0 +1,70 @@
|
||||
/* |
||||
* Licensed to the Apache Software Foundation (ASF) under one or more |
||||
* contributor license agreements. See the NOTICE file distributed with |
||||
* this work for additional information regarding copyright ownership. |
||||
* The ASF licenses this file to You 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. |
||||
*/ |
||||
|
||||
let hidden, visibilityChange |
||||
|
||||
if (typeof document.hidden !== 'undefined') { // Opera 12.10 and Firefox 18 and later support
|
||||
hidden = 'hidden' |
||||
visibilityChange = 'visibilitychange' |
||||
} else if (typeof document.msHidden !== 'undefined') { |
||||
hidden = 'msHidden' |
||||
visibilityChange = 'msvisibilitychange' |
||||
} else if (typeof document.webkitHidden !== 'undefined') { |
||||
hidden = 'webkitHidden' |
||||
visibilityChange = 'webkitvisibilitychange' |
||||
} else if (typeof document.mozHidden !== 'undefined') { |
||||
hidden = 'mozHidden' |
||||
visibilityChange = 'mozvisibilitychange' |
||||
} |
||||
|
||||
const visibility = { |
||||
/** |
||||
* Callback when visibility changed |
||||
* |
||||
* @param {Function (event, hidden)} callback |
||||
* - {Event} event |
||||
* - {Boolean} hidden |
||||
*/ |
||||
change (callback) { |
||||
if (visibility.isSupported()) { |
||||
document.addEventListener(visibilityChange, evt => callback(evt, document[hidden]), false) |
||||
} else { |
||||
// fallback
|
||||
if (document.addEventListener) { |
||||
window.addEventListener('focus', evt => callback(evt, false), false) |
||||
window.addEventListener('blur', evt => callback(evt, true), false) |
||||
} else { |
||||
document.attachEvent('onfocusin', evt => callback(evt, false)) |
||||
document.attachEvent('onfocusout', evt => callback(evt, true)) |
||||
} |
||||
} |
||||
}, |
||||
/** |
||||
* Return true if browser support Page Visibility API. |
||||
*/ |
||||
isSupported () { |
||||
return hidden !== undefined |
||||
}, |
||||
/** |
||||
* Return true if page now isn’t visible to user. |
||||
*/ |
||||
hidden () { |
||||
return document[hidden] |
||||
} |
||||
} |
||||
|
||||
export default visibility |
Loading…
Reference in new issue