import pages = require("ui/page");

import locationModule = require("location");

import dialogsModule = require("ui/dialogs");

import platformModule = require("platform");

import textViewModule = require("ui/text-view");

import observable = require("data/observable");

import appModule = require("application");

var locationManager = new locationModule.LocationManager();

export function onStartButtonTap(args: observable.EventData) {

console.log("Start button tapped");

var textView = <textViewModule.TextView>(page.getViewById("textView"));

locationManager.startLocationMonitoring(function (location) {

console.log("location-example.location: " + printLocation(location));

textView.text = printLocation(location) + "\r\n" + textView.text;

}, null, { desiredAccuracy: 300, maximumAge: 20000, minimumUpdateTime: 5000, updateDistance: 20 });

}

function printLocation(location: locationModule.Location) {

return "longitude: " + location.longitude + ", " +

"latitude: " + location.latitude + ", " +

"timeStamp: " + location.timestamp + ", " +

"horizontalAccuracy: " + location.horizontalAccuracy + ", " +

"verticalAccuracy: " + location.verticalAccuracy;

}

export function onStopButtonTap(args: observable.EventData) {

locationManager.stopLocationMonitoring();

}

export function onRequestButtonTap(args: observable.EventData) {

checkLocationService(page);

}

var page: pages.Page;

export function pageLoaded(args: observable.EventData) {

page = <pages.Page>(args.object);

}

var checkLocationService = function (page: pages.Page) {

if (locationModule.LocationManager.isEnabled()) {

console.log("LocationManager.isEnabled");

}

else {

console.log("LocationManager.is not Enabled");

if (page.android) {

dialogsModule.confirm({

message: "Location service is not enabled!",

okButtonText: "Open location settings ...",

cancelButtonText: "Cancel", title: "Confirm"

}).then((r) => {

if (r) {

// do not forget to add android.permission.ACCESS_FINE_LOCATION in your manifest file

(<android.app.Activity>appModule.android.currentContext).startActivityForResult(new android.content.Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS), 0);

}

}, null);

}

else if (page.ios) {

if (platformModule.device.osVersion.indexOf("8") === 0) {

// we need special handling of iOS 8.0 version, since some breaking changes regarding location

// do not forget to put NSLocationWhenInUseUsageDescription in app.plist file

var iosLocationManager = CLLocationManager.alloc().init();

iosLocationManager.requestWhenInUseAuthorization();

}

}

}

}