signal-desktop/js/background.js

registerOnLoadFunction(function() {
	if (!localStorage.getItem('first_install_ran')) {
		localStorage.setItem('first_install_ran', 1);
		chrome.tabs.create({url: "options.html"});
	} else {
		if (isRegistrationDone()) {
			subscribeToPush(function(message) {
				console.log("Got message from " + message.source + ": \"" + getString(message.message));
				var newUnreadCount = storage.getUnencrypted("unreadCount") + 1;
				storage.putUnencrypted("unreadCount", newUnreadCount);
				chrome.browserAction.setBadgeText({text: newUnreadCount + ""});
				storeMessage(message);
			});
		}
	}
});