signal-desktop/libtextsecure/sync_request.js
2018-05-02 13:40:57 -07:00

82 lines
2.4 KiB
JavaScript

(function() {
'use strict';
window.textsecure = window.textsecure || {};
function SyncRequest(sender, receiver) {
if (
!(sender instanceof textsecure.MessageSender) ||
!(receiver instanceof textsecure.MessageReceiver)
) {
throw new Error(
'Tried to construct a SyncRequest without MessageSender and MessageReceiver'
);
}
this.receiver = receiver;
this.oncontact = this.onContactSyncComplete.bind(this);
receiver.addEventListener('contactsync', this.oncontact);
this.ongroup = this.onGroupSyncComplete.bind(this);
receiver.addEventListener('groupsync', this.ongroup);
console.log('SyncRequest created. Sending contact sync message...');
sender
.sendRequestContactSyncMessage()
.then(function() {
console.log('SyncRequest now sending group sync messsage...');
return sender.sendRequestGroupSyncMessage();
})
.catch(function(error) {
console.log(
'SyncRequest error:',
error && error.stack ? error.stack : error
);
});
this.timeout = setTimeout(this.onTimeout.bind(this), 60000);
}
SyncRequest.prototype = new textsecure.EventTarget();
SyncRequest.prototype.extend({
constructor: SyncRequest,
onContactSyncComplete: function() {
this.contactSync = true;
this.update();
},
onGroupSyncComplete: function() {
this.groupSync = true;
this.update();
},
update: function() {
if (this.contactSync && this.groupSync) {
this.dispatchEvent(new Event('success'));
this.cleanup();
}
},
onTimeout: function() {
if (this.contactSync || this.groupSync) {
this.dispatchEvent(new Event('success'));
} else {
this.dispatchEvent(new Event('timeout'));
}
this.cleanup();
},
cleanup: function() {
clearTimeout(this.timeout);
this.receiver.removeEventListener('contactsync', this.oncontact);
this.receiver.removeEventListener('groupSync', this.ongroup);
delete this.listeners;
},
});
textsecure.SyncRequest = function(sender, receiver) {
var syncRequest = new SyncRequest(sender, receiver);
this.addEventListener = syncRequest.addEventListener.bind(syncRequest);
this.removeEventListener = syncRequest.removeEventListener.bind(
syncRequest
);
};
textsecure.SyncRequest.prototype = {
constructor: textsecure.SyncRequest,
};
})();