var EXPORTED_SYMBOLS = ['RedirectorPrefs'];

function RedirectorPrefs() {
	this.init();	
}

RedirectorPrefs.prototype = {

	//Preferences:
	_version : null,
	_enabled : null,
	_showStatusBarIcon : null,
	_showContextMenu : null,
	_debugEnabled : null,
	_defaultDir : null,
	_redirects : null,
	
	_prefBranch : null,
	
	_listeners : null,
	
	//Preferences props
	
	get version() { return this._version; },
	set version(value) { this._prefBranch.setCharPref('version', value); },

	get enabled() { return this._enabled; },
	set enabled(value) { this._prefBranch.setBoolPref('enabled', value); },
	
	get showStatusBarIcon() { return this._showStatusBarIcon; },
	set showStatusBarIcon(value) { this._prefBranch.setBoolPref('showStatusBarIcon', value); },

	get showContextMenu() { return this._showContextMenu; },
	set showContextMenu(value) { this._prefBranch.setBoolPref('showContextMenu', value); },
		
	get debugEnabled() { return this._debugEnabled; },
	set debugEnabled(value) { this._prefBranch.setBoolPref('debugEnabled', value); },

	get defaultDir() { return this._defaultDir; },
	set defaultDir(value) { this._prefBranch.setCharPref('defaultDir', value); },

	init : function() {
		this._prefBranch = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService).getBranch("extensions.redirector.");
		this.reload();
		this._listeners = [];
		this.service.addObserver('extensions.redirector', this, false);
	},

	dispose : function() {
		this._listeners = null;
		this.service.removeObserver('extensions.redirector', this);
	},
	
	reload : function() {
		this._version = this._prefBranch.getCharPref('version');
		this._enabled = this._prefBranch.getBoolPref('enabled');
		this._showStatusBarIcon = this._prefBranch.getBoolPref('showStatusBarIcon');
		this._showContextMenu = this._prefBranch.getBoolPref('showContextMenu');
		this._debugEnabled = this._prefBranch.getBoolPref('debugEnabled');
		this._defaultDir = this._prefBranch.getCharPref('defaultDir');
	},
	
	get service() {
		return Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranchInternal);
	},

	observe : function(subject, topic, data) {
		if (topic != 'nsPref:changed') {
			return;
		}
		this.reload();
		for each (var listener in this._listeners) {
			listener && listener.changedPrefs && listener.changedPrefs(this);	 
		}
	},

	addListener : function(listener) {
		this._listeners.push(listener);
	},
	
	removeListener : function(listener) {
		for (var i = 0; i < this._listeners.length; i++) {
			if (this._listeners[i] == listener) {
				this._listeners.splice(i,1);
				return;
			}
		}
	},
}