[PALEMOON] Update UA Compatibility modes in a backwards compatible way

This commit is contained in:
NTD 2018-04-16 11:20:39 -04:00 committed by Roy Tam
commit 8bc4f6c65f
4 changed files with 54 additions and 0 deletions

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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;
}
}
};