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-rw-r--r--browser/base/content/browser-uacompat.js45
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diff --git a/browser/base/content/browser-uacompat.js b/browser/base/content/browser-uacompat.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var UserAgentCompatibility = {
+ PREF_UA_COMPAT: "general.useragent.compatMode",
+ PREF_UA_COMPAT_GECKO: "general.useragent.compatMode.gecko",
+ PREF_UA_COMPAT_FIREFOX: "general.useragent.compatMode.firefox",
+
+ init: function() {
+ this.checkPreferences();
+ Services.prefs.addObserver(this.PREF_UA_COMPAT, this, false);
+ Services.prefs.addObserver(this.PREF_UA_COMPAT_GECKO, this, false);
+ Services.prefs.addObserver(this.PREF_UA_COMPAT_FIREFOX, this, false);
+ },
+
+ uninit: function() {
+ Services.prefs.removeObserver(this.PREF_UA_COMPAT, this, false);
+ Services.prefs.removeObserver(this.PREF_UA_COMPAT_GECKO, this, false);
+ Services.prefs.removeObserver(this.PREF_UA_COMPAT_FIREFOX, this, false);
+ },
+
+ observe: function() {
+ this.checkPreferences();
+ },
+
+ checkPreferences: function() {
+ var compatMode = Services.prefs.getIntPref(this.PREF_UA_COMPAT);
+
+ switch(compatMode) {
+ case 0:
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_GECKO, false);
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_FIREFOX, false);
+ break;
+ case 1:
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_GECKO, true);
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_FIREFOX, false);
+ break;
+ case 2:
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_GECKO, true);
+ Services.prefs.setBoolPref(this.PREF_UA_COMPAT_FIREFOX, true);
+ break;
+ }
+ }
+};