Current File : /home/tjamichg/cursos.tjamich.gob.mx/web/assets/vrview/src/api/iframe-message-sender.js
/*
* Copyright 2016 Google Inc. All Rights Reserved.
* 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 Message = require('../message');
/**
* Sends events to the embedded VR view IFrame via postMessage. Also handles
* messages sent back from the IFrame:
*
* click: When a hotspot was clicked.
* modechange: When the user changes viewing mode (VR|Fullscreen|etc).
*/
function IFrameMessageSender(iframe) {
if (!iframe) {
console.error('No iframe specified');
return;
}
this.iframe = iframe;
// On iOS, if the iframe is across domains, also send DeviceMotion data.
if (this.isIOS_()) {
window.addEventListener('devicemotion', this.onDeviceMotion_.bind(this), false);
}
}
/**
* Sends a message to the associated VR View IFrame.
*/
IFrameMessageSender.prototype.send = function(message) {
var iframeWindow = this.iframe.contentWindow;
iframeWindow.postMessage(message, '*');
};
IFrameMessageSender.prototype.onDeviceMotion_ = function(e) {
var message = {
type: Message.DEVICE_MOTION,
deviceMotionEvent: this.cloneDeviceMotionEvent_(e)
};
this.send(message);
};
IFrameMessageSender.prototype.cloneDeviceMotionEvent_ = function(e) {
return {
acceleration: {
x: e.acceleration.x,
y: e.acceleration.y,
z: e.acceleration.z,
},
accelerationIncludingGravity: {
x: e.accelerationIncludingGravity.x,
y: e.accelerationIncludingGravity.y,
z: e.accelerationIncludingGravity.z,
},
rotationRate: {
alpha: e.rotationRate.alpha,
beta: e.rotationRate.beta,
gamma: e.rotationRate.gamma,
},
interval: e.interval,
timeStamp: e.timeStamp
};
};
IFrameMessageSender.prototype.isIOS_ = function() {
return /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
};
module.exports = IFrameMessageSender;
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