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proxy.js
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proxy.js
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function SocketClient () {
this.list_elem = document.getElementById('client_list');
this.info_div = document.getElementById('info_div');
var self = this;
}
SocketClient.prototype.connect = function () {
var self = this;
this.list_elem.innerHTML = '';
this.info_div.innerHTML = 'status: connecting...';
this.socket = new WebSocket("ws://" + document.location.host + "/chat");
this.socket.onopen = function () {self.onopen.apply(self, arguments);};
this.socket.onmessage = function () {self.onmessage.apply(self, arguments);};
this.socket.onclose = function () {self.onclose.apply(self, arguments);};
};
SocketClient.prototype.deviceAdded = function (params) {
var el = document.createElement('li');
el.innerHTML = '<a href="devtools/devtools.html?host=' + document.location.host + '&page=' + params.page + '">' + params.device_name + '</a>' + ' <span class="device_details">(' + params.app_id + ', ' + params.device_model + ', ' + params.device_id + ')</span>';
this.list_elem.appendChild(el);
this.visibleElems[params.connection_id] = el;
};
SocketClient.prototype.deviceRemoved = function (params) {
var li = this.visibleElems[params.connection_id];
li.parentNode.removeChild(li);
};
SocketClient.prototype.onopen = function () {
this.info_div.innerHTML = 'status: connected to gateway';
this.list_elem.innerHTML = '';
this.visibleElems = {};
console.log('connection to gateway opened');
};
SocketClient.prototype.onmessage = function (message) {
var el = document.createElement('li');
el.innerHTML = message.data;
window.document.getElementById('history').appendChild(el);
};
SocketClient.prototype.onclose = function () {
var retryInterval = 1000.0;
console.log('connection closed, retrying in ' + (retryInterval/1000.0) + ' seconds');
var self = this;
window.setTimeout(function () {self.connect();}, retryInterval);
};
window.addEventListener('load', function () {
var form = window.document.getElementById('msg_form');
var msg_field = window.document.getElementById('msg_field');
var socketClient = new SocketClient();
socketClient.connect()
form.onsubmit = function () {
msg = msg_field.value;
msg_field.value = '';
socketClient.socket.send(msg);
var el = document.createElement('li');
el.innerHTML = msg;
window.document.getElementById('history').appendChild(el);
return false;
};
}
);