b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
97 lines
2.7 KiB
JavaScript
Executable file
97 lines
2.7 KiB
JavaScript
Executable file
/* globals evt, BluetoothLoader */
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(function(exports) {
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'use strict';
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var BluetoothManager = function() {};
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BluetoothManager.prototype = evt({
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_mozBluetooth: undefined,
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_defaultAdapter: undefined,
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_discoveryHandle: undefined,
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_handleDeviceFound: undefined,
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_handleBeforeUnload: undefined,
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_deviceDeck: undefined,
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init: function bm_init() {
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this._mozBluetooth = BluetoothLoader.getMozBluetooth();
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this._handleDeviceFound = this.onDeviceFound.bind(this);
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this._mozBluetooth.addEventListener('attributechanged',
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this.onAttributeChanged.bind(this));
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this._defaultAdapter = this._mozBluetooth.defaultAdapter;
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},
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onAttributeChanged: function bm_onAttributeChanged(evt) {
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var that = this;
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[].forEach.call(evt.attrs, function(attr, index) {
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if (attr === 'defaultAdapter') {
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that._defaultAdapter = that._mozBluetooth.defaultAdapter;
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that.fire('default-adapter-ready');
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}
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});
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},
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_keepDiscoveryHandle: function bm_keepDiscoveryHandle(handle) {
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this._discoveryHandle = handle;
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this._discoveryHandle.addEventListener('devicefound',
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this._handleDeviceFound);
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},
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_startDiscovery: function bm_startDiscovery() {
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var that = this;
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if (!this._defaultAdapter) {
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return Promise.reject('default adapter doesn\'t exist');
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}
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if (this._defaultAdapter.state !== 'enabled') {
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return this._defaultAdapter.enable().then(function() {
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return that._defaultAdapter.startDiscovery();
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}).then(this._keepDiscoveryHandle.bind(this));
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}
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return this._defaultAdapter.startDiscovery().then(
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this._keepDiscoveryHandle.bind(this));
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},
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_stopDiscovery: function bm_stopDiscovery() {
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if (!this._defaultAdapter) {
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return Promise.reject('default adapter doesn\'t exist');
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}
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// force to stop anyway
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return this._defaultAdapter.stopDiscovery();
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},
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safelyStartDiscovery: function bm_safelyStartDiscovery() {
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var that = this;
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if (!this._defaultAdapter) {
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return new Promise(function(resolve, reject) {
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that.on('default-adapter-ready', function() {
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resolve(that._startDiscovery());
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});
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});
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}
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return this._startDiscovery();
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},
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safelyStopDiscovery: function bn_safelyStopDiscovery() {
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return this._stopDiscovery().catch(function(reason) {
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console.warn('failed to stop discovery: ' + reason);
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});
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},
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onDeviceFound: function bm_onDeviceFound(evt) {
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var device = evt.device;
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this.fire('device-found', device);
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}
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});
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exports.BluetoothManager = BluetoothManager;
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}(window));
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