return;
}

/*
 * Handle for the CACKey NaCl Target
 */
var cackeyHandle = null;
var cackeyPCSCHandle = null;

/*
 * Handle and ID for outstanding callbacks
 */
var cackeyOutstandingCallbacks = {}
var cackeyOutstandingCallbackCounter = -1;

	if (GoogleSmartCard.IS_DEBUG_BUILD) {
		console.log("[cackey] Thrown.");
	}

	return;
}

/*
 * Uninitializes CACKey (probably due to a crash)
 */
function cackeyUninit() {
	if (chrome.certificateProvider) {
		chrome.certificateProvider.onCertificatesRequested.removeListener(cackeyListCertificates);
		chrome.certificateProvider.onSignDigestRequested.removeListener(cackeySignMessage);
	}

	if (cackeyPCSCHandle != null) {
		delete cackeyPCSCHandle;

		cackeyPCSCHandle = null;
	}

	if (cackeyHandle != null) {
		try {
			document.body.removeChild(cackeyHandle);
		} catch (e) { }

		delete cackeyHandle;

		cackeyHandle = null;
	}
}

/*
 * Restarts CACKey
 */
function cackeyRestart() {
	cackeyUninit();
	cackeyInit();
}

/*
 * Handle a CACKey crash (probably due to loss of connectivity to the PCSC daemon)
 */
function cackeyCrash() {
	/*
	 * Schedule the restart to occur in 30 seconds in case we really are
	 * not working.
	 */
	setTimeout(cackeyRestart, 30000);
}

/*
 * Finish performing initialization that must wait until we have loaded the CACKey module
 */
function cackeyInitLoaded(messageEvent) {
	console.log("[cackey] Loaded CACKey PNaCl Module");

			"smartcardManagerAppId": "khpfeaanjngmcnplbdlpegiifgpfgdco"
		}
	);

	/*
	 * Start the Google PCSC Interface
	 */
	new GoogleSmartCard.PcscNacl(cackeyHandle);
	cackeyPCSCHandle = new GoogleSmartCard.PcscNacl(cackeyHandle);

	return;
}

/*
 * Initialize CACKey and the PCSC library from Google
 */
function cackeyInit() {
	var elementEmbed;
	var forceLoadElement;

	/* Log that we are operational */
	console.log("[cackey] cackeyInit(): Called.");

	/*
	 * Do not initialize multiple times
	 */
	if (cackeyHandle != null) {
		console.log("[cackey] cackeyInit(): Already initialized.  Returning.");

		return;
	}

	/* Verify that we can register callbacks */
	if (!chrome.certificateProvider) {
		if (!GoogleSmartCard.IS_DEBUG_BUILD) {
			console.error("[cackey] This extension only works on ChromeOS!");

			return;
		} else {
			console.log("[cackey] This extension only works on ChromeOS, but you appear to be debugging it -- trying anyway.");
		}
	}

	elementEmbed = document.createElement('embed');
	elementEmbed.type = "application/x-pnacl";
	elementEmbed.width = 0;
	elementEmbed.height = 0;
	elementEmbed.src = "cackey.nmf";
	elementEmbed.id = "cackeyModule";
	elementEmbed.addEventListener('error', function(messageEvent) { console.error("Error loading CACKey PNaCl Module: " + messageEvent.data); }, true);
	elementEmbed.addEventListener('load', cackeyInitLoaded, true);
	elementEmbed.addEventListener('crash', cackeyCrash, true);
	elementEmbed.addEventListener('message', cackeyMessageIncoming, true);

	cackeyHandle = elementEmbed;

	document.body.appendChild(cackeyHandle)

	/*
	 * Force the browser to load the element
	 * by requesting its position
	 */
	forceLoadElement = cackeyHandle.offsetTop;

	console.log("[cackey] cackeyInit(): Completed.  Returning.");
}

/*
 * Initialize the CACKey Chrome Application
 */
function cackeyAppInit() {
	/*
	 * Create a handler for starting the application UI
	 */
	chrome.app.runtime.onLaunched.addListener(function() {
		chrome.app.window.create('ui.html', {
			"id": "cackeyUI",
			"focused": true,
			"innerBounds": {
				"width": 350,
				"minWidth": 350,
				"height": 135,
				"minHeight": 135
			}
		});
	});

}
	/* Verify that we can register callbacks */
	if (!chrome.certificateProvider) {
		if (!GoogleSmartCard.IS_DEBUG_BUILD) {
			console.error("[cackey] This extension only works on ChromeOS!");

			return;
		} else {
			console.log("[cackey] This extension only works on ChromeOS, but you appear to be debugging it -- trying anyway.");
		}
	}

	if (cackeyHandle != null) {
		console.log("[cackey] cackeyInit(): Already initialized.  Returning.");

		return;
	}

	elementEmbed = document.createElement('embed');
	elementEmbed.type = "application/x-pnacl";
	elementEmbed.width = 0;
	elementEmbed.height = 0;
	elementEmbed.src = "cackey.nmf";
	elementEmbed.id = "cackeyModule";
	elementEmbed.addEventListener('error', function(messageEvent) { console.error("Error loading CACKey PNaCl Module: " + messageEvent.data); }, true);
	elementEmbed.addEventListener('load', cackeyInitLoaded, true);
	elementEmbed.addEventListener('message', cackeyMessageIncoming, true);

	cackeyHandle = elementEmbed;

	document.body.appendChild(cackeyHandle)

	console.log("[cackey] cackeyInit(): Completed.  Returning.");
}

/* Initialize CACKey */
cackeyAppInit();
cackeyInit();