7a6246302a
git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@6153 599a83e7-65a4-db11-8015-0010dcdd6dc2
132 lines
3.6 KiB
JavaScript
132 lines
3.6 KiB
JavaScript
var EXPORTED_SYMBOLS = ['window'];
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var window = {};
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/*
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Preferences Library
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Usage:
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var value = window['piro.sakura.ne.jp'].prefs.getPref('my.extension.pref');
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window['piro.sakura.ne.jp'].prefs.setPref('my.extension.pref', true);
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window['piro.sakura.ne.jp'].prefs.clearPref('my.extension.pref');
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var listener = {
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domains : [
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'browser.tabs',
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'extensions.someextension'
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],
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observe : function(aSubject, aTopic, aData)
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{
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if (aTopic != 'nsPref:changed') return;
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var value = window['piro.sakura.ne.jp'].prefs.getPref(aData);
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}
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};
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window['piro.sakura.ne.jp'].prefs.addPrefListener(listener);
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window['piro.sakura.ne.jp'].prefs.removePrefListener(listener);
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lisence: The MIT License, Copyright (c) 2009-2010 SHIMODA "Piro" Hiroshi
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http://www.cozmixng.org/repos/piro/fx3-compatibility-lib/trunk/license.txt
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original:
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http://www.cozmixng.org/repos/piro/fx3-compatibility-lib/trunk/prefs.js
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http://www.cozmixng.org/repos/piro/fx3-compatibility-lib/trunk/prefs.test.js
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*/
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(function() {
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const currentRevision = 4;
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if (!('piro.sakura.ne.jp' in window)) window['piro.sakura.ne.jp'] = {};
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var loadedRevision = 'prefs' in window['piro.sakura.ne.jp'] ?
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window['piro.sakura.ne.jp'].prefs.revision :
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0 ;
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if (loadedRevision && loadedRevision > currentRevision) {
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return;
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}
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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window['piro.sakura.ne.jp'].prefs = {
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revision : currentRevision,
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Prefs : Cc['@mozilla.org/preferences;1']
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.getService(Ci.nsIPrefBranch)
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.QueryInterface(Ci.nsIPrefBranch2),
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DefaultPrefs : Cc['@mozilla.org/preferences-service;1']
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.getService(Ci.nsIPrefService)
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.getDefaultBranch(null),
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getPref : function(aPrefstring, aBranch)
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{
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if (!aBranch) aBranch = this.Prefs;
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switch (aBranch.getPrefType(aPrefstring))
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{
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case aBranch.PREF_STRING:
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return decodeURIComponent(escape(aBranch.getCharPref(aPrefstring)));
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case aBranch.PREF_INT:
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return aBranch.getIntPref(aPrefstring);
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case aBranch.PREF_BOOL:
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return aBranch.getBoolPref(aPrefstring);
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case aBranch.PREF_INVALID:
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default:
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return null;
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}
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},
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getDefaultPref : function(aPrefstring)
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{
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return this.getPref(aPrefstring, this.DefaultPrefs);
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},
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setPref : function(aPrefstring, aNewValue, aBranch)
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{
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if (!aBranch) aBranch = this.Prefs;
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switch (typeof aNewValue)
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{
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case 'string':
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return aBranch.setCharPref(aPrefstring, unescape(encodeURIComponent(aNewValue)));
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case 'number':
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return aBranch.setIntPref(aPrefstring, parseInt(aNewValue));
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default:
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return aBranch.setBoolPref(aPrefstring, aNewValue);
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}
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},
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setDefaultPref : function(aPrefstring, aNewValue)
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{
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return this.setPref(aPrefstring, aNewValue, this.DefaultPrefs);
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},
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clearPref : function(aPrefstring)
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{
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if (this.Prefs.prefHasUserValue(aPrefstring))
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this.Prefs.clearUserPref(aPrefstring);
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},
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addPrefListener : function(aObserver)
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{
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var domains = ('domains' in aObserver) ? aObserver.domains : [aObserver.domain] ;
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try {
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for each (var domain in domains)
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this.Prefs.addObserver(domain, aObserver, false);
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}
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catch(e) {
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}
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},
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removePrefListener : function(aObserver)
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{
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var domains = ('domains' in aObserver) ? aObserver.domains : [aObserver.domain] ;
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try {
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for each (var domain in domains)
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this.Prefs.removeObserver(domain, aObserver, false);
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}
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catch(e) {
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}
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}
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};
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})();
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