Files
guacamole-client/guacamole/src/main/webapp/app/client/services/guacTunnelFactory.js

90 lines
3.2 KiB
JavaScript

/*
* Copyright (C) 2014 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* A service for creating Guacamole tunnels.
*/
angular.module('client').factory('guacTunnelFactory', ['$rootScope', '$window',
function guacTunnelFactory($rootScope, $window) {
var service = {};
/**
* Returns a new Guacamole tunnel instance, using an implementation that is
* supported by the web browser.
*
* @param {Scope} [$scope] The current scope. If ommitted, the root scope
* will be used.
* @returns {Guacamole.Tunnel} A new Guacamole tunnel instance.
*/
service.getInstance = function getTunnelInstance($scope) {
// Use root scope if no other scope provided
$scope = $scope || $rootScope;
var tunnel;
// If WebSocket available, try to use it.
if ($window.WebSocket)
tunnel = new Guacamole.ChainedTunnel(
new Guacamole.WebSocketTunnel('websocket-tunnel'),
new Guacamole.HTTPTunnel('tunnel')
);
// If no WebSocket, then use HTTP.
else
tunnel = new Guacamole.HTTPTunnel('tunnel');
// Fire events for tunnel errors
tunnel.onerror = function onTunnelError(status) {
$rootScope.$broadcast('guacTunnelError', tunnel, status.code);
};
// Fire events for tunnel state changes
tunnel.onstatechange = function onTunnelStateChange(state) {
switch (state) {
case Guacamole.Tunnel.State.CONNECTING:
$rootScope.$broadcast('guacTunnelStateChange', tunnel, 'connecting');
break;
case Guacamole.Tunnel.State.OPEN:
$rootScope.$broadcast('guacTunnelStateChange', tunnel, 'open');
break;
case Guacamole.Tunnel.State.CLOSED:
$rootScope.$broadcast('guacTunnelStateChange', tunnel, 'closed');
break;
}
};
return tunnel;
};
return service;
}]);