signal-desktop/js/views/network_status_view.js
2017-04-08 00:10:56 -07:00

92 lines
3.2 KiB
JavaScript

(function () {
'use strict';
window.Whisper = window.Whisper || {};
Whisper.NetworkStatusView = Whisper.View.extend({
className: 'network-status',
initialize: function() {
this.$el.hide();
var renderIntervalHandle = setInterval(this.render.bind(this), 5000);
extension.windows.onClosed(function () { clearInterval(renderIntervalHandle); });
setTimeout(this.finishConnectingGracePeriod.bind(this), 5000);
this.withinConnectingGracePeriod = true;
this.setSocketReconnectInterval(null);
window.addEventListener('online', this.render.bind(this));
window.addEventListener('offline', this.render.bind(this));
},
finishConnectingGracePeriod: function() {
this.withinConnectingGracePeriod = false;
},
setSocketReconnectInterval: function(millis) {
this.socketReconnectWaitDuration = moment.duration(millis);
},
navigatorOnLine: function() { return navigator.onLine; },
getSocketStatus: function() { return window.getSocketStatus(); },
getNetworkStatus: function() {
var message = '';
var instructions = '';
var hasInterruption = false;
var socketStatus = this.getSocketStatus();
switch(socketStatus) {
case WebSocket.CONNECTING:
message = i18n('connecting');
this.setSocketReconnectInterval(null);
break;
case WebSocket.OPEN:
this.setSocketReconnectInterval(null);
break;
case WebSocket.CLOSING:
message = i18n('disconnected');
instructions = i18n('checkNetworkConnection');
hasInterruption = true;
break;
case WebSocket.CLOSED:
message = i18n('disconnected');
instructions = i18n('checkNetworkConnection');
hasInterruption = true;
break;
}
if (socketStatus == WebSocket.CONNECTING && !this.withinConnectingGracePeriod) {
hasInterruption = true;
}
if (this.socketReconnectWaitDuration.asSeconds() > 0) {
instructions = i18n('attemptingReconnection', [this.socketReconnectWaitDuration.asSeconds()]);
}
if (!this.navigatorOnLine()) {
hasInterruption = true;
message = i18n('offline');
instructions = i18n('checkNetworkConnection');
}
return {
message: message,
instructions: instructions,
hasInterruption: hasInterruption
};
},
render: function() {
var status = this.getNetworkStatus();
if (status.hasInterruption) {
this.$el.slideDown();
}
else {
this.$el.hide();
}
var template = Whisper.View.Templates['networkStatus'];
this.$el.html(Mustache.render(template, status, Whisper.View.Templates));
return this;
}
});
})();