Files
2017-03-11 15:22:17 +01:00

1516 lines
51 KiB
JavaScript

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.webvrui = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
'use strict';
var has = Object.prototype.hasOwnProperty
, prefix = '~';
/**
* Constructor to create a storage for our `EE` objects.
* An `Events` instance is a plain object whose properties are event names.
*
* @constructor
* @api private
*/
function Events() {}
//
// We try to not inherit from `Object.prototype`. In some engines creating an
// instance in this way is faster than calling `Object.create(null)` directly.
// If `Object.create(null)` is not supported we prefix the event names with a
// character to make sure that the built-in object properties are not
// overridden or used as an attack vector.
//
if (Object.create) {
Events.prototype = Object.create(null);
//
// This hack is needed because the `__proto__` property is still inherited in
// some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
//
if (!new Events().__proto__) prefix = false;
}
/**
* Representation of a single event listener.
*
* @param {Function} fn The listener function.
* @param {Mixed} context The context to invoke the listener with.
* @param {Boolean} [once=false] Specify if the listener is a one-time listener.
* @constructor
* @api private
*/
function EE(fn, context, once) {
this.fn = fn;
this.context = context;
this.once = once || false;
}
/**
* Minimal `EventEmitter` interface that is molded against the Node.js
* `EventEmitter` interface.
*
* @constructor
* @api public
*/
function EventEmitter() {
this._events = new Events();
this._eventsCount = 0;
}
/**
* Return an array listing the events for which the emitter has registered
* listeners.
*
* @returns {Array}
* @api public
*/
EventEmitter.prototype.eventNames = function eventNames() {
var names = []
, events
, name;
if (this._eventsCount === 0) return names;
for (name in (events = this._events)) {
if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
}
if (Object.getOwnPropertySymbols) {
return names.concat(Object.getOwnPropertySymbols(events));
}
return names;
};
/**
* Return the listeners registered for a given event.
*
* @param {String|Symbol} event The event name.
* @param {Boolean} exists Only check if there are listeners.
* @returns {Array|Boolean}
* @api public
*/
EventEmitter.prototype.listeners = function listeners(event, exists) {
var evt = prefix ? prefix + event : event
, available = this._events[evt];
if (exists) return !!available;
if (!available) return [];
if (available.fn) return [available.fn];
for (var i = 0, l = available.length, ee = new Array(l); i < l; i++) {
ee[i] = available[i].fn;
}
return ee;
};
/**
* Calls each of the listeners registered for a given event.
*
* @param {String|Symbol} event The event name.
* @returns {Boolean} `true` if the event had listeners, else `false`.
* @api public
*/
EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return false;
var listeners = this._events[evt]
, len = arguments.length
, args
, i;
if (listeners.fn) {
if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
switch (len) {
case 1: return listeners.fn.call(listeners.context), true;
case 2: return listeners.fn.call(listeners.context, a1), true;
case 3: return listeners.fn.call(listeners.context, a1, a2), true;
case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
}
for (i = 1, args = new Array(len -1); i < len; i++) {
args[i - 1] = arguments[i];
}
listeners.fn.apply(listeners.context, args);
} else {
var length = listeners.length
, j;
for (i = 0; i < length; i++) {
if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
switch (len) {
case 1: listeners[i].fn.call(listeners[i].context); break;
case 2: listeners[i].fn.call(listeners[i].context, a1); break;
case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
default:
if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
args[j - 1] = arguments[j];
}
listeners[i].fn.apply(listeners[i].context, args);
}
}
}
return true;
};
/**
* Add a listener for a given event.
*
* @param {String|Symbol} event The event name.
* @param {Function} fn The listener function.
* @param {Mixed} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @api public
*/
EventEmitter.prototype.on = function on(event, fn, context) {
var listener = new EE(fn, context || this)
, evt = prefix ? prefix + event : event;
if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;
else if (!this._events[evt].fn) this._events[evt].push(listener);
else this._events[evt] = [this._events[evt], listener];
return this;
};
/**
* Add a one-time listener for a given event.
*
* @param {String|Symbol} event The event name.
* @param {Function} fn The listener function.
* @param {Mixed} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @api public
*/
EventEmitter.prototype.once = function once(event, fn, context) {
var listener = new EE(fn, context || this, true)
, evt = prefix ? prefix + event : event;
if (!this._events[evt]) this._events[evt] = listener, this._eventsCount++;
else if (!this._events[evt].fn) this._events[evt].push(listener);
else this._events[evt] = [this._events[evt], listener];
return this;
};
/**
* Remove the listeners of a given event.
*
* @param {String|Symbol} event The event name.
* @param {Function} fn Only remove the listeners that match this function.
* @param {Mixed} context Only remove the listeners that have this context.
* @param {Boolean} once Only remove one-time listeners.
* @returns {EventEmitter} `this`.
* @api public
*/
EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return this;
if (!fn) {
if (--this._eventsCount === 0) this._events = new Events();
else delete this._events[evt];
return this;
}
var listeners = this._events[evt];
if (listeners.fn) {
if (
listeners.fn === fn
&& (!once || listeners.once)
&& (!context || listeners.context === context)
) {
if (--this._eventsCount === 0) this._events = new Events();
else delete this._events[evt];
}
} else {
for (var i = 0, events = [], length = listeners.length; i < length; i++) {
if (
listeners[i].fn !== fn
|| (once && !listeners[i].once)
|| (context && listeners[i].context !== context)
) {
events.push(listeners[i]);
}
}
//
// Reset the array, or remove it completely if we have no more listeners.
//
if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
else if (--this._eventsCount === 0) this._events = new Events();
else delete this._events[evt];
}
return this;
};
/**
* Remove all listeners, or those of the specified event.
*
* @param {String|Symbol} [event] The event name.
* @returns {EventEmitter} `this`.
* @api public
*/
EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
var evt;
if (event) {
evt = prefix ? prefix + event : event;
if (this._events[evt]) {
if (--this._eventsCount === 0) this._events = new Events();
else delete this._events[evt];
}
} else {
this._events = new Events();
this._eventsCount = 0;
}
return this;
};
//
// Alias methods names because people roll like that.
//
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
EventEmitter.prototype.addListener = EventEmitter.prototype.on;
//
// This function doesn't apply anymore.
//
EventEmitter.prototype.setMaxListeners = function setMaxListeners() {
return this;
};
//
// Expose the prefix.
//
EventEmitter.prefixed = prefix;
//
// Allow `EventEmitter` to be imported as module namespace.
//
EventEmitter.EventEmitter = EventEmitter;
//
// Expose the module.
//
if ('undefined' !== typeof module) {
module.exports = EventEmitter;
}
},{}],2:[function(_dereq_,module,exports){
/*!
* screenfull
* v3.0.0 - 2015-11-24
* (c) Sindre Sorhus; MIT License
*/
(function () {
'use strict';
var isCommonjs = typeof module !== 'undefined' && module.exports;
var keyboardAllowed = typeof Element !== 'undefined' && 'ALLOW_KEYBOARD_INPUT' in Element;
var fn = (function () {
var val;
var valLength;
var fnMap = [
[
'requestFullscreen',
'exitFullscreen',
'fullscreenElement',
'fullscreenEnabled',
'fullscreenchange',
'fullscreenerror'
],
// new WebKit
[
'webkitRequestFullscreen',
'webkitExitFullscreen',
'webkitFullscreenElement',
'webkitFullscreenEnabled',
'webkitfullscreenchange',
'webkitfullscreenerror'
],
// old WebKit (Safari 5.1)
[
'webkitRequestFullScreen',
'webkitCancelFullScreen',
'webkitCurrentFullScreenElement',
'webkitCancelFullScreen',
'webkitfullscreenchange',
'webkitfullscreenerror'
],
[
'mozRequestFullScreen',
'mozCancelFullScreen',
'mozFullScreenElement',
'mozFullScreenEnabled',
'mozfullscreenchange',
'mozfullscreenerror'
],
[
'msRequestFullscreen',
'msExitFullscreen',
'msFullscreenElement',
'msFullscreenEnabled',
'MSFullscreenChange',
'MSFullscreenError'
]
];
var i = 0;
var l = fnMap.length;
var ret = {};
for (; i < l; i++) {
val = fnMap[i];
if (val && val[1] in document) {
for (i = 0, valLength = val.length; i < valLength; i++) {
ret[fnMap[0][i]] = val[i];
}
return ret;
}
}
return false;
})();
var screenfull = {
request: function (elem) {
var request = fn.requestFullscreen;
elem = elem || document.documentElement;
// Work around Safari 5.1 bug: reports support for
// keyboard in fullscreen even though it doesn't.
// Browser sniffing, since the alternative with
// setTimeout is even worse.
if (/5\.1[\.\d]* Safari/.test(navigator.userAgent)) {
elem[request]();
} else {
elem[request](keyboardAllowed && Element.ALLOW_KEYBOARD_INPUT);
}
},
exit: function () {
document[fn.exitFullscreen]();
},
toggle: function (elem) {
if (this.isFullscreen) {
this.exit();
} else {
this.request(elem);
}
},
raw: fn
};
if (!fn) {
if (isCommonjs) {
module.exports = false;
} else {
window.screenfull = false;
}
return;
}
Object.defineProperties(screenfull, {
isFullscreen: {
get: function () {
return Boolean(document[fn.fullscreenElement]);
}
},
element: {
enumerable: true,
get: function () {
return document[fn.fullscreenElement];
}
},
enabled: {
enumerable: true,
get: function () {
// Coerce to boolean in case of old WebKit
return Boolean(document[fn.fullscreenEnabled]);
}
}
});
if (isCommonjs) {
module.exports = screenfull;
} else {
window.screenfull = screenfull;
}
})();
},{}],3:[function(_dereq_,module,exports){
'use strict';
var _enterVrButton = _dereq_('./enter-vr-button');
var _enterVrButton2 = _interopRequireDefault(_enterVrButton);
var _states = _dereq_('./states');
var _states2 = _interopRequireDefault(_states);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/* global AFRAME */
if (typeof AFRAME !== 'undefined' && AFRAME) {
AFRAME.registerComponent('webvr-ui', {
dependencies: ['canvas'],
schema: {
enabled: { type: 'boolean', default: true },
color: { type: 'string', default: 'white' },
background: { type: 'string', default: 'black' },
corners: { type: 'string', default: 'square' },
disabledOpacity: { type: 'number', default: 0.5 },
textEnterVRTitle: { type: 'string' },
textExitVRTitle: { type: 'string' },
textVRNotFoundTitle: { type: 'string' }
},
init: function init() {},
update: function update() {
var scene = document.querySelector('a-scene');
scene.setAttribute('vr-mode-ui', { enabled: !this.data.enabled });
if (this.data.enabled) {
if (this.enterVREl) {
return;
}
var options = {
color: this.data.color,
background: this.data.background,
corners: this.data.corners,
disabledOpacity: this.data.disabledOpacity,
textEnterVRTitle: this.data.textEnterVRTitle,
textExitVRTitle: this.data.textExitVRTitle,
textVRNotFoundTitle: this.data.textVRNotFoundTitle,
onRequestStateChange: function onRequestStateChange(state) {
if (state == _states2.default.PRESENTING) {
scene.enterVR();
} else {
scene.exitVR();
}
return false;
}
};
var enterVR = this.enterVR = new _enterVrButton2.default(scene.canvas, options);
this.enterVREl = enterVR.domElement;
document.body.appendChild(enterVR.domElement);
enterVR.domElement.style.position = 'absolute';
enterVR.domElement.style.bottom = '10px';
enterVR.domElement.style.left = '50%';
enterVR.domElement.style.transform = 'translate(-50%, -50%)';
enterVR.domElement.style.textAlign = 'center';
} else {
if (this.enterVREl) {
this.enterVREl.parentNode.removeChild(this.enterVREl);
this.enterVR.remove();
}
}
},
remove: function remove() {
if (this.enterVREl) {
this.enterVREl.parentNode.removeChild(this.enterVREl);
this.enterVR.remove();
}
}
});
}
},{"./enter-vr-button":5,"./states":7}],4:[function(_dereq_,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var _LOGO_SCALE = 0.8;
var _WEBVR_UI_CSS_INJECTED = {};
/**
* Generate the innerHTML for the button
*
* @return {string} html of the button as string
* @param {string} cssPrefix
* @param {Number} height
* @private
*/
var generateInnerHTML = function generateInnerHTML(cssPrefix, height) {
var logoHeight = height * _LOGO_SCALE;
var svgString = generateVRIconString(cssPrefix, logoHeight) + generateNoVRIconString(cssPrefix, logoHeight);
return '<button class="' + cssPrefix + '-button">\n <div class="' + cssPrefix + '-title"></div>\n <div class="' + cssPrefix + '-logo" >' + svgString + '</div>\n </button>';
};
/**
* Inject the CSS string to the head of the document
*
* @param {string} cssText the css to inject
*/
var injectCSS = exports.injectCSS = function injectCSS(cssText) {
// Create the css
var style = document.createElement('style');
style.innerHTML = cssText;
var head = document.getElementsByTagName('head')[0];
head.insertBefore(style, head.firstChild);
};
/**
* Generate DOM element view for button
*
* @return {HTMLElement}
* @param {Object} options
*/
var createDefaultView = exports.createDefaultView = function createDefaultView(options) {
var fontSize = options.height / 3;
if (options.injectCSS) {
// Check that css isnt already injected
if (!_WEBVR_UI_CSS_INJECTED[options.cssprefix]) {
injectCSS(generateCSS(options, fontSize));
_WEBVR_UI_CSS_INJECTED[options.cssprefix] = true;
}
}
var el = document.createElement('div');
el.innerHTML = generateInnerHTML(options.cssprefix, fontSize);
return el.firstChild;
};
var createVRIcon = exports.createVRIcon = function createVRIcon(cssPrefix, height) {
var el = document.createElement('div');
el.innerHTML = generateVRIconString(cssPrefix, height);
return el.firstChild;
};
var createNoVRIcon = exports.createNoVRIcon = function createNoVRIcon(cssPrefix, height) {
var el = document.createElement('div');
el.innerHTML = generateNoVRIconString(cssPrefix, height);
return el.firstChild;
};
var generateVRIconString = function generateVRIconString(cssPrefix, height) {
var aspect = 28 / 18;
return '<svg class="' + cssPrefix + '-svg" version="1.1" x="0px" y="0px" \n width="' + aspect * height + 'px" height="' + height + 'px" viewBox="0 0 28 18" xml:space="preserve">\n <path d="M26.8,1.1C26.1,0.4,25.1,0,24.2,0H3.4c-1,0-1.7,0.4-2.4,1.1C0.3,1.7,0,2.7,0,3.6v10.7\n c0,1,0.3,1.9,0.9,2.6C1.6,17.6,2.4,18,3.4,18h5c0.7,0,1.3-0.2,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l\n 1.5-2.6C13.2,13.1,13,13,14,13v0h-0.2 h0c0.3,0,0.7,0.1,0.8,0.5l1.4,2.6c0.3,0.6,0.8,1.1,1.3,\n 1.4c0.6,0.3,1.2,0.5,1.8,0.5h5c1,0,2-0.4,2.7-1.1c0.7-0.7,1.2-1.6,1.2-2.6 V3.6C28,2.7,27.5,\n 1.7,26.8,1.1z M7.4,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8c1.6,0,2.8,1.3,2.8,2.8\n C10.2,10.5,8.9,11.8,7.4,11.8z M20.1,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8C21.7\n ,6.2,23,7.4,23,9 C23,10.5,21.7,11.8,20.1,11.8z"/>\n </svg>';
};
var generateNoVRIconString = function generateNoVRIconString(cssPrefix, height) {
var aspect = 28 / 18;
return '<svg class="' + cssPrefix + '-svg-error" x="0px" y="0px" \n width="' + aspect * height + 'px" height="' + aspect * height + 'px" viewBox="0 0 28 28" xml:space="preserve">\n <path d="M17.6,13.4c0-0.2-0.1-0.4-0.1-0.6c0-1.6,1.3-2.8,2.8-2.8s2.8,1.3,2.8,2.8s-1.3,2.8-2.8,2.8\n c-0.2,0-0.4,0-0.6-0.1l5.9,5.9c0.5-0.2,0.9-0.4,1.3-0.8\n c0.7-0.7,1.1-1.6,1.1-2.5V7.4c0-1-0.4-1.9-1.1-2.5c-0.7-0.7-1.6-1-2.5-1\n H8.1 L17.6,13.4z"/>\n <path d="M10.1,14.2c-0.5,0.9-1.4,1.4-2.4,1.4c-1.6,0-2.8-1.3-2.8-2.8c0-1.1,0.6-2,1.4-2.5\n L0.9,5.1 C0.3,5.7,0,6.6,0,7.5v10.7c0,1,0.4,1.8,1.1,2.5c0.7,0.7,1.6,1,2.5,1\n h5c0.7,0,1.3-0.1,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l1.3-2.6 L10.1,14.2z"/>\n <path d="M25.5,27.5l-25-25C-0.1,2-0.1,1,0.5,0.4l0,0C1-0.1,2-0.1,2.6,0.4l25,25c0.6,0.6,0.6,1.5\n ,0,2.1l0,0 C27,28.1,26,28.1,25.5,27.5z"/>\n </svg>';
};
/**
* Generate the CSS string to inject
*
* @param {Object} options
* @param {Number} [fontSize=18]
* @return {string}
*/
var generateCSS = exports.generateCSS = function generateCSS(options) {
var fontSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 18;
var height = options.height;
var borderWidth = 2;
var borderColor = options.background ? options.background : options.color;
var cssPrefix = options.cssprefix;
var borderRadius = void 0;
if (options.corners == 'round') {
borderRadius = options.height / 2;
} else if (options.corners == 'square') {
borderRadius = 2;
} else {
borderRadius = options.corners;
}
return '\n @font-face {\n font-family: \'Karla\';\n font-style: normal;\n font-weight: 400;\n src: local(\'Karla\'), local(\'Karla-Regular\'), \n url(https://fonts.gstatic.com/s/karla/v5/31P4mP32i98D9CEnGyeX9Q.woff2) format(\'woff2\');\n unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;\n }\n @font-face {\n font-family: \'Karla\';\n font-style: normal;\n font-weight: 400;\n src: local(\'Karla\'), local(\'Karla-Regular\'), \n url(https://fonts.gstatic.com/s/karla/v5/Zi_e6rBgGqv33BWF8WTq8g.woff2) format(\'woff2\');\n unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, \n U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;\n }\n\n button.' + cssPrefix + '-button {\n font-family: \'Karla\', sans-serif;\n\n border: ' + borderColor + ' ' + borderWidth + 'px solid;\n border-radius: ' + borderRadius + 'px;\n box-sizing: border-box;\n background: ' + (options.background ? options.background : 'none') + ';\n\n height: ' + height + 'px;\n min-width: ' + fontSize * 9.6 + 'px;\n display: inline-block;\n position: relative;\n\n cursor: pointer;\n }\n \n button.' + cssPrefix + '-button:focus {\n outline: none;\n }\n\n /*\n * Logo\n */\n\n .' + cssPrefix + '-logo {\n width: ' + height + 'px;\n height: ' + height + 'px;\n position: absolute;\n top:0px;\n left:0px;\n width: ' + (height - 4) + 'px;\n height: ' + (height - 4) + 'px;\n }\n .' + cssPrefix + '-svg {\n fill: ' + options.color + ';\n margin-top: ' + ((height - fontSize * _LOGO_SCALE) / 2 - 2) + 'px;\n margin-left: ' + height / 3 + 'px;\n }\n .' + cssPrefix + '-svg-error {\n fill: ' + options.color + ';\n display:none;\n margin-top: ' + ((height - 28 / 18 * fontSize * _LOGO_SCALE) / 2 - 2) + 'px;\n margin-left: ' + height / 3 + 'px;\n }\n\n\n /*\n * Title\n */\n\n .' + cssPrefix + '-title {\n color: ' + options.color + ';\n position: relative;\n font-size: ' + fontSize + 'px;\n padding-left: ' + height * 1.05 + 'px;\n padding-right: ' + (borderRadius - 10 < 5 ? height / 3 : borderRadius - 10) + 'px;\n }\n\n /*\n * disabled\n */\n\n button.' + cssPrefix + '-button[disabled=true] {\n opacity: ' + options.disabledOpacity + ';\n }\n\n button.' + cssPrefix + '-button[disabled=true] > .' + cssPrefix + '-logo > .' + cssPrefix + '-svg {\n display:none;\n }\n\n button.' + cssPrefix + '-button[disabled=true] > .' + cssPrefix + '-logo > .' + cssPrefix + '-svg-error {\n display:initial;\n }\n ';
};
},{}],5:[function(_dereq_,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _webvrManager = _dereq_('./webvr-manager');
var _webvrManager2 = _interopRequireDefault(_webvrManager);
var _dom = _dereq_('./dom');
var _states = _dereq_('./states');
var _states2 = _interopRequireDefault(_states);
var _eventemitter = _dereq_('eventemitter3');
var _eventemitter2 = _interopRequireDefault(_eventemitter);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } // Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* A button to allow easy-entry and messaging around a WebVR experience
* @class
*/
var EnterVRButton = function (_EventEmitter) {
_inherits(EnterVRButton, _EventEmitter);
/**
* Construct a new Enter VR Button
* @constructor
* @param {HTMLCanvasElement} sourceCanvas the canvas that you want to present in WebVR
* @param {Object} [options] optional parameters
* @param {HTMLElement} [options.domElement] provide your own domElement to bind to
* @param {Boolean} [options.injectCSS=true] set to false if you want to write your own styles
* @param {Function} [options.beforeEnter] should return a promise, opportunity to intercept request to enter
* @param {Function} [options.beforeExit] should return a promise, opportunity to intercept request to exit
* @param {Function} [options.onRequestStateChange] set to a function returning false to prevent default state changes
* @param {string} [options.textEnterVRTitle] set the text for Enter VR
* @param {string} [options.textVRNotFoundTitle] set the text for when a VR display is not found
* @param {string} [options.textExitVRTitle] set the text for exiting VR
* @param {string} [options.color] text and icon color
* @param {string} [options.background] set to false for no brackground or a color
* @param {string} [options.corners] set to 'round', 'square' or pixel value representing the corner radius
* @param {string} [options.disabledOpacity] set opacity of button dom when disabled
* @param {string} [options.cssprefix] set to change the css prefix from default 'webvr-ui'
*/
function EnterVRButton(sourceCanvas, options) {
_classCallCheck(this, EnterVRButton);
var _this = _possibleConstructorReturn(this, (EnterVRButton.__proto__ || Object.getPrototypeOf(EnterVRButton)).call(this));
options = options || {};
options.color = options.color || 'rgb(80,168,252)';
options.background = options.background || false;
options.disabledOpacity = options.disabledOpacity || 0.5;
options.height = options.height || 55;
options.corners = options.corners || 'square';
options.cssprefix = options.cssprefix || 'webvr-ui';
options.textEnterVRTitle = options.textEnterVRTitle || 'ENTER VR';
options.textVRNotFoundTitle = options.textVRNotFoundTitle || 'VR NOT FOUND';
options.textExitVRTitle = options.textExitVRTitle || 'EXIT VR';
options.onRequestStateChange = options.onRequestStateChange || function () {
return true;
};
options.beforeEnter = options.beforeEnter || function () {
return new Promise(function (resolve) {
return resolve();
});
};
options.beforeExit = options.beforeExit || function () {
return new Promise(function (resolve) {
return resolve();
});
};
options.injectCSS = options.injectCSS !== false;
_this.options = options;
_this.sourceCanvas = sourceCanvas;
// Pass in your own domElement if you really dont want to use ours
_this.domElement = options.domElement || (0, _dom.createDefaultView)(options);
_this.__defaultDisplayStyle = _this.domElement.style.display || 'initial';
// Create WebVR Manager
_this.manager = new _webvrManager2.default();
_this.manager.checkDisplays();
_this.manager.addListener('change', function (state) {
return _this.__onStateChange(state);
});
// Bind button click events to __onClick
_this.domElement.addEventListener('click', function () {
return _this.__onEnterVRClick();
});
_this.__forceDisabled = false;
_this.setTitle(_this.options.textEnterVRTitle);
return _this;
}
/**
* Set the title of the button
* @param {string} text
* @return {EnterVRButton}
*/
_createClass(EnterVRButton, [{
key: 'setTitle',
value: function setTitle(text) {
this.domElement.title = text;
ifChild(this.domElement, this.options.cssprefix, 'title', function (title) {
if (!text) {
title.style.display = 'none';
} else {
title.innerText = text;
title.style.display = 'initial';
}
});
return this;
}
/**
* Set the tooltip of the button
* @param {string} tooltip
* @return {EnterVRButton}
*/
}, {
key: 'setTooltip',
value: function setTooltip(tooltip) {
this.domElement.title = tooltip;
return this;
}
/**
* Show the button
* @return {EnterVRButton}
*/
}, {
key: 'show',
value: function show() {
this.domElement.style.display = this.__defaultDisplayStyle;
this.emit('show');
return this;
}
/**
* Hide the button
* @return {EnterVRButton}
*/
}, {
key: 'hide',
value: function hide() {
this.domElement.style.display = 'none';
this.emit('hide');
return this;
}
/**
* Enable the button
* @return {EnterVRButton}
*/
}, {
key: 'enable',
value: function enable() {
this.__setDisabledAttribute(false);
this.__forceDisabled = false;
return this;
}
/**
* Disable the button from being clicked
* @return {EnterVRButton}
*/
}, {
key: 'disable',
value: function disable() {
this.__setDisabledAttribute(true);
this.__forceDisabled = true;
return this;
}
/**
* clean up object for garbage collection
*/
}, {
key: 'remove',
value: function remove() {
this.manager.remove();
if (this.domElement.parentElement) {
this.domElement.parentElement.removeChild(this.domElement);
}
}
/**
* Returns a promise getting the VRDisplay used
* @return {Promise.<VRDisplay>}
*/
}, {
key: 'getVRDisplay',
value: function getVRDisplay() {
return _webvrManager2.default.getVRDisplay();
}
/**
* Check if the canvas the button is connected to is currently presenting
* @return {boolean}
*/
}, {
key: 'isPresenting',
value: function isPresenting() {
return this.state === _states2.default.PRESENTING || this.state == _states2.default.PRESENTING_FULLSCREEN;
}
/**
* Request entering VR
* @return {Promise}
*/
}, {
key: 'requestEnterVR',
value: function requestEnterVR() {
var _this2 = this;
return new Promise(function (resolve, reject) {
if (_this2.options.onRequestStateChange(_states2.default.PRESENTING)) {
return _this2.options.beforeEnter().then(function () {
return _this2.manager.enterVR(_this2.manager.defaultDisplay, _this2.sourceCanvas);
}).then(resolve);
} else {
reject(new Error(_states2.default.ERROR_REQUEST_STATE_CHANGE_REJECTED));
}
});
}
/**
* Request exiting presentation mode
* @return {Promise}
*/
}, {
key: 'requestExit',
value: function requestExit() {
var _this3 = this;
var initialState = this.state;
return new Promise(function (resolve, reject) {
if (_this3.options.onRequestStateChange(_states2.default.READY_TO_PRESENT)) {
return _this3.options.beforeExit().then(function () {
return (
// if we were presenting VR, exit VR, if we are
// exiting fullscreen, exit fullscreen
initialState === _states2.default.PRESENTING ? _this3.manager.exitVR(_this3.manager.defaultDisplay) : _this3.manager.exitFullscreen()
);
}).then(resolve);
} else {
reject(new Error(_states2.default.ERROR_REQUEST_STATE_CHANGE_REJECTED));
}
});
}
/**
* Request entering the site in fullscreen, but not VR
* @return {Promise}
*/
}, {
key: 'requestEnterFullscreen',
value: function requestEnterFullscreen() {
var _this4 = this;
return new Promise(function (resolve, reject) {
if (_this4.options.onRequestStateChange(_states2.default.PRESENTING_FULLSCREEN)) {
return _this4.options.beforeEnter().then(function () {
return _this4.manager.enterFullscreen(_this4.sourceCanvas);
}).then(resolve);
} else {
reject(new Error(_states2.default.ERROR_REQUEST_STATE_CHANGE_REJECTED));
}
});
}
/**
* Set the disabled attribute
* @param {boolean} disabled
* @private
*/
}, {
key: '__setDisabledAttribute',
value: function __setDisabledAttribute(disabled) {
if (disabled || this.__forceDisabled) {
this.domElement.setAttribute('disabled', 'true');
} else {
this.domElement.removeAttribute('disabled');
}
}
/**
* Handling click event from button
* @private
*/
}, {
key: '__onEnterVRClick',
value: function __onEnterVRClick() {
if (this.state == _states2.default.READY_TO_PRESENT) {
this.requestEnterVR();
} else if (this.isPresenting()) {
this.requestExit();
}
}
/**
* @param {State} state the state that its transitioning to
* @private
*/
}, {
key: '__onStateChange',
value: function __onStateChange(state) {
if (state != this.state) {
if (this.state === _states2.default.PRESENTING || this.state === _states2.default.PRESENTING_FULLSCREEN) {
this.emit('exit');
}
this.state = state;
switch (state) {
case _states2.default.READY_TO_PRESENT:
this.show();
this.setTitle(this.options.textEnterVRTitle);
if (this.manager.defaultDisplay) {
this.setTooltip('Enter VR using ' + this.manager.defaultDisplay.displayName);
}
this.__setDisabledAttribute(false);
this.emit('ready');
break;
case _states2.default.PRESENTING:
case _states2.default.PRESENTING_FULLSCREEN:
if (!this.manager.defaultDisplay || !this.manager.defaultDisplay.capabilities.hasExternalDisplay || state == _states2.default.PRESENTING_FULLSCREEN) {
this.hide();
}
this.setTitle(this.options.textExitVRTitle);
this.__setDisabledAttribute(false);
this.emit('enter');
break;
// Error states
case _states2.default.ERROR_BROWSER_NOT_SUPPORTED:
this.show();
this.setTitle(this.options.textVRNotFoundTitle);
this.setTooltip('Browser not supported');
this.__setDisabledAttribute(true);
this.emit('error', new Error(state));
break;
case _states2.default.ERROR_NO_PRESENTABLE_DISPLAYS:
this.show();
this.setTitle(this.options.textVRNotFoundTitle);
this.setTooltip('No VR headset found.');
this.__setDisabledAttribute(true);
this.emit('error', new Error(state));
break;
case _states2.default.ERROR_REQUEST_TO_PRESENT_REJECTED:
this.show();
this.setTitle(this.options.textVRNotFoundTitle);
this.setTooltip('Something went wrong trying to start presenting to your headset.');
this.__setDisabledAttribute(true);
this.emit('error', new Error(state));
break;
case _states2.default.ERROR_EXIT_PRESENT_REJECTED:
default:
this.show();
this.setTitle(this.options.textVRNotFoundTitle);
this.setTooltip('Unknown error.');
this.__setDisabledAttribute(true);
this.emit('error', new Error(state));
}
}
}
}]);
return EnterVRButton;
}(_eventemitter2.default);
/**
* Function checking if a specific css class exists as child of element.
*
* @param {HTMLElement} el element to find child in
* @param {string} cssPrefix css prefix of button
* @param {string} suffix class name
* @param {function} fn function to call if child is found
* @private
*/
exports.default = EnterVRButton;
var ifChild = function ifChild(el, cssPrefix, suffix, fn) {
var c = el.querySelector('.' + cssPrefix + '-' + suffix);
c && fn(c);
};
},{"./dom":4,"./states":7,"./webvr-manager":8,"eventemitter3":1}],6:[function(_dereq_,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.WebVRManager = exports.State = exports.dom = exports.EnterVRButton = undefined;
var _webvrManager = _dereq_('./webvr-manager');
var _webvrManager2 = _interopRequireDefault(_webvrManager);
var _states = _dereq_('./states');
var _states2 = _interopRequireDefault(_states);
var _dom = _dereq_('./dom');
var dom = _interopRequireWildcard(_dom);
var _enterVrButton = _dereq_('./enter-vr-button');
var _enterVrButton2 = _interopRequireDefault(_enterVrButton);
_dereq_('./aframe-component');
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.EnterVRButton = _enterVrButton2.default;
exports.dom = dom;
exports.State = _states2.default;
exports.WebVRManager = _webvrManager2.default; // Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
},{"./aframe-component":3,"./dom":4,"./enter-vr-button":5,"./states":7,"./webvr-manager":8}],7:[function(_dereq_,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Not yet presenting, but ready to present
var READY_TO_PRESENT = 'ready';
// In presentation mode
var PRESENTING = 'presenting';
var PRESENTING_FULLSCREEN = 'presenting-fullscreen';
// Checking device availability
var PREPARING = 'preparing';
// Errors
var ERROR_NO_PRESENTABLE_DISPLAYS = 'error-no-presentable-displays';
var ERROR_BROWSER_NOT_SUPPORTED = 'error-browser-not-supported';
var ERROR_REQUEST_TO_PRESENT_REJECTED = 'error-request-to-present-rejected';
var ERROR_EXIT_PRESENT_REJECTED = 'error-exit-present-rejected';
var ERROR_REQUEST_STATE_CHANGE_REJECTED = 'error-request-state-change-rejected';
var ERROR_UNKOWN = 'error-unkown';
exports.default = {
READY_TO_PRESENT: READY_TO_PRESENT,
PRESENTING: PRESENTING,
PRESENTING_FULLSCREEN: PRESENTING_FULLSCREEN,
PREPARING: PREPARING,
ERROR_NO_PRESENTABLE_DISPLAYS: ERROR_NO_PRESENTABLE_DISPLAYS,
ERROR_BROWSER_NOT_SUPPORTED: ERROR_BROWSER_NOT_SUPPORTED,
ERROR_REQUEST_TO_PRESENT_REJECTED: ERROR_REQUEST_TO_PRESENT_REJECTED,
ERROR_EXIT_PRESENT_REJECTED: ERROR_EXIT_PRESENT_REJECTED,
ERROR_REQUEST_STATE_CHANGE_REJECTED: ERROR_REQUEST_STATE_CHANGE_REJECTED,
ERROR_UNKOWN: ERROR_UNKOWN
};
},{}],8:[function(_dereq_,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _states = _dereq_('./states');
var _states2 = _interopRequireDefault(_states);
var _eventemitter = _dereq_('eventemitter3');
var _eventemitter2 = _interopRequireDefault(_eventemitter);
var _screenfull = _dereq_('screenfull');
var _screenfull2 = _interopRequireDefault(_screenfull);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } // Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* WebVR Manager is a utility to handle VR displays
*/
var WebVRManager = function (_EventEmitter) {
_inherits(WebVRManager, _EventEmitter);
/**
* Construct a new WebVRManager
*/
function WebVRManager() {
_classCallCheck(this, WebVRManager);
var _this = _possibleConstructorReturn(this, (WebVRManager.__proto__ || Object.getPrototypeOf(WebVRManager)).call(this));
_this.state = _states2.default.PREPARING;
// Bind vr display present change event to __onVRDisplayPresentChange
_this.__onVRDisplayPresentChange = _this.__onVRDisplayPresentChange.bind(_this);
window.addEventListener('vrdisplaypresentchange', _this.__onVRDisplayPresentChange);
_this.__onChangeFullscreen = _this.__onChangeFullscreen.bind(_this);
if (_screenfull2.default.enabled) {
document.addEventListener(_screenfull2.default.raw.fullscreenchange, _this.__onChangeFullscreen);
}
return _this;
}
/**
* Check if the browser is compatible with WebVR and has headsets.
* @return {Promise<VRDisplay>}
*/
_createClass(WebVRManager, [{
key: 'checkDisplays',
value: function checkDisplays() {
var _this2 = this;
return WebVRManager.getVRDisplay().then(function (display) {
_this2.defaultDisplay = display;
_this2.__setState(_states2.default.READY_TO_PRESENT);
return display;
}).catch(function (e) {
delete _this2.defaultDisplay;
if (e.name == 'NO_DISPLAYS') {
_this2.__setState(_states2.default.ERROR_NO_PRESENTABLE_DISPLAYS);
} else if (e.name == 'WEBVR_UNSUPPORTED') {
_this2.__setState(_states2.default.ERROR_BROWSER_NOT_SUPPORTED);
} else {
_this2.__setState(_states2.default.ERROR_UNKOWN);
}
});
}
/**
* clean up object for garbage collection
*/
}, {
key: 'remove',
value: function remove() {
window.removeEventListener('vrdisplaypresentchange', this.__onVRDisplayPresentChange);
if (_screenfull2.default.enabled) {
document.removeEventListener(_screenfull2.default.raw.fullscreenchanged, this.__onChangeFullscreen);
}
this.removeAllListeners();
}
/**
* returns promise returning list of available VR displays.
* @return {Promise<VRDisplay>}
*/
}, {
key: 'enterVR',
/**
* Enter presentation mode with your set VR display
* @param {VRDisplay} display the display to request present on
* @param {HTMLCanvasElement} canvas
* @return {Promise.<TResult>}
*/
value: function enterVR(display, canvas) {
var _this3 = this;
this.presentedSource = canvas;
return display.requestPresent([{
source: canvas
}]).then(function () {},
// this could fail if:
// 1. Display `canPresent` is false
// 2. Canvas is invalid
// 3. not executed via user interaction
function () {
return _this3.__setState(_states2.default.ERROR_REQUEST_TO_PRESENT_REJECTED);
});
}
/**
* Exit presentation mode on display
* @param {VRDisplay} display
* @return {Promise.<TResult>}
*/
}, {
key: 'exitVR',
value: function exitVR(display) {
var _this4 = this;
return display.exitPresent().then(function () {
_this4.presentedSource = undefined;
},
// this could fail if:
// 1. exit requested while not currently presenting
function () {
return _this4.__setState(_states2.default.ERROR_EXIT_PRESENT_REJECTED);
});
}
/**
* Enter fullscreen mode
* @param {HTMLCanvasElement} canvas
* @return {boolean}
*/
}, {
key: 'enterFullscreen',
value: function enterFullscreen(canvas) {
if (_screenfull2.default.enabled) {
_screenfull2.default.request(canvas);
} else {
// iOS
this.__setState(_states2.default.PRESENTING_FULLSCREEN);
}
return true;
}
/**
* Exit fullscreen mode
* @return {boolean}
*/
}, {
key: 'exitFullscreen',
value: function exitFullscreen() {
if (_screenfull2.default.enabled && _screenfull2.default.isFullscreen) {
_screenfull2.default.exit();
} else if (this.state == _states2.default.PRESENTING_FULLSCREEN) {
this.checkDisplays();
}
return true;
}
/**
* Change the state of the manager
* @param {State} state
* @private
*/
}, {
key: '__setState',
value: function __setState(state) {
if (state != this.state) {
this.emit('change', state, this.state);
this.state = state;
}
}
/**
* Triggered on fullscreen change event
* @param {Event} e
* @private
*/
}, {
key: '__onChangeFullscreen',
value: function __onChangeFullscreen(e) {
if (_screenfull2.default.isFullscreen) {
this.__setState(_states2.default.PRESENTING_FULLSCREEN);
} else {
this.checkDisplays();
}
}
/**
* Triggered on vr present change
* @param {Event} event
* @private
*/
}, {
key: '__onVRDisplayPresentChange',
value: function __onVRDisplayPresentChange(event) {
try {
// Polyfill stores display under detail
var display = event.display ? event.display : event.detail.display;
if (display.isPresenting && display.getLayers()[0].source !== this.presentedSource) {
// this means a different instance of WebVRManager has requested to present
return;
}
var isPresenting = this.defaultDisplay && this.defaultDisplay.isPresenting;
this.__setState(isPresenting ? _states2.default.PRESENTING : _states2.default.READY_TO_PRESENT);
} catch (err) {
// continue regardless of error
}
}
}], [{
key: 'getVRDisplay',
value: function getVRDisplay() {
return new Promise(function (resolve, reject) {
if (!navigator || !navigator.getVRDisplays) {
var e = new Error('Browser not supporting WebVR');
e.name = 'WEBVR_UNSUPPORTED';
reject(e);
return;
}
var rejectNoDisplay = function rejectNoDisplay() {
// No displays are found.
var e = new Error('No displays found');
e.name = 'NO_DISPLAYS';
reject(e);
};
navigator.getVRDisplays().then(function (displays) {
// Promise succeeds, but check if there are any displays actually.
for (var i = 0; i < displays.length; i++) {
if (displays[i].capabilities.canPresent) {
resolve(displays[i]);
break;
}
}
rejectNoDisplay();
}, rejectNoDisplay);
});
}
}]);
return WebVRManager;
}(_eventemitter2.default);
exports.default = WebVRManager;
},{"./states":7,"eventemitter3":1,"screenfull":2}]},{},[6])(6)
});