[GitHub] janpio closed pull request #86: CB-7847 Page Visibility API should be supported

[GitBox <gi...@apache.org>]

janpio closed pull request #86: CB-7847 Page Visibility API should be supported
URL: https://github.com/apache/cordova-js/pull/86
 
 
   

This is a PR merged from a forked repository.
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diff --git a/src/common/init.js b/src/common/init.js
index 758544eb..e6160649 100644
--- a/src/common/init.js
+++ b/src/common/init.js
@@ -24,6 +24,7 @@ var cordova = require('cordova');
 var modulemapper = require('cordova/modulemapper');
 var platform = require('cordova/platform');
 var pluginloader = require('cordova/pluginloader');
+var utils = require('cordova/utils');
 
 var platformInitChannelsArray = [channel.onNativeReady, channel.onPluginsReady];
 
@@ -90,6 +91,19 @@ channel.onPause = cordova.addDocumentEventHandler('pause');
 channel.onResume = cordova.addDocumentEventHandler('resume');
 channel.onDeviceReady = cordova.addStickyDocumentEventHandler('deviceready');
 
+// We Replace the default visibilityState to make it accessible for us
+var _visibilityState = 'visible';
+function setVisibilityState() {
+    _visibilityState = this; 
+    cordova.fireDocumentEvent('visibilitychange');  
+}
+utils.defineGetter(document, 'visibilityState', function () {
+    return _visibilityState;
+});
+
+channel.onPause.subscribe(setVisibilityState, 'hidden');
+channel.onResume.subscribe(setVisibilityState, 'visible');
+
 // Listen for DOMContentLoaded and notify our channel subscribers.
 if (document.readyState == 'complete' || document.readyState == 'interactive') {
     channel.onDOMContentLoaded.fire();


 

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