[Pkg-javascript-commits] [sockjs-client] 245/434: #28 Introduce DocumentGuard, a singleton that knows more than document.readyState.
Tonnerre Lombard
tonnerre-guest at moszumanska.debian.org
Wed Jan 8 00:47:17 UTC 2014
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tonnerre-guest pushed a commit to branch master
in repository sockjs-client.
commit 7a4f7a5bb6ce1da1fc2a2e86ead30d3ad7ce3525
Author: Marek Majkowski <majek04 at gmail.com>
Date: Thu Dec 1 17:39:58 2011 +0000
#28 Introduce DocumentGuard, a singleton that knows more than document.readyState.
---
lib/dom.js | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/lib/dom.js b/lib/dom.js
index 998a4ec..55cc573 100644
--- a/lib/dom.js
+++ b/lib/dom.js
@@ -277,3 +277,35 @@ utils.createHtmlfile = function (iframe_url, error_callback) {
loaded: unattach
};
};
+
+var DocumentGuard = function() {
+ var that = this;
+ var emit = function(state_name) {
+ that.state = DocumentGuard[state_name];
+ var e = {state: that.state, name: state_name};
+ that.dispatchEvent(new SimpleEvent('change', e));
+ that.dispatchEvent(new SimpleEvent(state_name, e));
+ };
+ emit('init');
+ if(!!_document.body) {
+ emit('load');
+ } else {
+ utils.attachEvent('load', function() {
+ emit('load');
+ });
+ }
+ utils.attachEvent('beforeunload', function() {
+ emit('beforeunload');
+ });
+ utils.attachEvent('unload', function() {
+ emit('unload');
+ });
+};
+
+DocumentGuard.prototype = new REventTarget();
+DocumentGuard.init = 0;
+DocumentGuard.load = 1;
+DocumentGuard.beforeunload = 2;
+DocumentGuard.unload = 3;
+
+var _document_guard = new DocumentGuard();
--
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