jsdx-connman/lib/bluetooth.js

JSDX Connection Manager API

"use strict";

var util = require('util');
var events = require('events');

var Bluetooth = module.exports = function(connman) {
	var self = this;

	self.connman = connman;
	self.service = null;
	self.technology = null;
};

util.inherits(Bluetooth, events.EventEmitter);

Bluetooth.prototype.init = function(callback) {
	var self = this;

	self.technology = self.connman.technologies['Bluetooth'];

	self.selectService(serviceName, function(err) {

		if (callback)
			callback(err);
	});

};

Bluetooth.prototype.getProperties = function(callback) {
	var self = this;

	if (!self.service) {
		if (callback)
			process.nextTick(function() {
				callback(new Error('No service was set'));
			});

		return;
	}

	self.service.GetProperties['timeout'] = 10000;
	self.service.GetProperties['finish'] = function(props) {
		if (callback)
			callback(null, props);
	};
	self.service.GetProperties();
};

Bluetooth.prototype.setProperty = function(prop, value, callback) {
	var self = this;

	if (!self.service) {
		if (callback)
			process.nextTick(function() {
				callback(new Error('No service was set'));
			});

		return;
	}

	self.service.SetProperty['timeout'] = 10000;
	self.service.SetProperty['finish'] = function() {
		if (callback)
			callback(null);
	};
	self.service.SetProperty(prop, value);
};

Bluetooth.prototype.connect = function(callback) {
	var self = this;

	if (!self.technology) {
		if (callback)
			process.nextTick(function() {
				callback(new Error('No wired interface was found'));
			});

		return;
	}

	if (!self.service) {
		if (callback)
			process.nextTick(function() {
				callback(null);
			});

		return;
	}

	// Connect to this access point
	self.service.Connect['timeout'] = 30000;
	self.service.Connect['finish'] = function() {
		callback(null);
	};
	self.service.Connect();

};

Bluetooth.prototype.disconnect = function(callback) {
	var self = this;

	if (!self.technology) {
		if (callback)
			process.nextTick(function() {
				callback(new Error('No wired interface was found'));
			});

		return;
	}

	if (!self.service) {
		if (callback)
			process.nextTick(function() {
				callback(null);
			});

		return;
	}

	self.service.Disconnect['finish'] = function() {
		if (callback)
			callback(null);
	};
	self.service.Disconnect();

};

Bluetooth.prototype.selectService = function(objectPath, callback) {
	var self = this;

	if (!self.technology) {
		if (callback)
			process.nextTick(function() {
				callback(new Error('No wired interface was found'));
			});

		return;
	}

	self.connman.systemBus.getInterface('net.connman', objectPath, 'net.connman.Service', function(err, iface) {
		if (err) {
			callback(new Error('No such service'));
			return;
		}

		// Release current service we used
		if (self.service)
			self.service.removeAllListeners('PropertyChanged');

		// Set new service
		self.service = iface;

		// Initializing signal handler for this new service
		iface.on('PropertyChanged', function(name, value) {
			self.emit('PropertyChanged', name, value);
		});

		if (callback)
			callback(null, iface);
	});
};