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Chamilo/main/inc/lib/javascript/mediaelement/plugins/vrview/vrview.js
2025-04-10 12:49:05 +02:00

384 lines
9.9 KiB
JavaScript

/*!
* MediaElement.js
* http://www.mediaelementjs.com/
*
* Wrapper that mimics native HTML5 MediaElement (audio and video)
* using a variety of technologies (pure JavaScript, Flash, iframe)
*
* Copyright 2010-2017, John Dyer (http://j.hn/)
* License: MIT
*
*/(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){
'use strict';
var VrAPI = {
isMediaStarted: false,
isMediaLoaded: false,
creationQueue: [],
prepareSettings: function prepareSettings(settings) {
if (VrAPI.isLoaded) {
VrAPI.createInstance(settings);
} else {
VrAPI.loadScript(settings);
VrAPI.creationQueue.push(settings);
}
},
loadScript: function loadScript(settings) {
if (!VrAPI.isMediaStarted) {
if (typeof VRView !== 'undefined') {
VrAPI.createInstance(settings);
} else {
var script = document.createElement('script'),
firstScriptTag = document.getElementsByTagName('script')[0];
var done = false;
settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://googlevr.github.io/vrview/build/vrview.min.js';
script.src = settings.options.path;
script.onload = script.onreadystatechange = function () {
if (!done && (!this.readyState || this.readyState === undefined || this.readyState === 'loaded' || this.readyState === 'complete')) {
done = true;
VrAPI.mediaReady();
script.onload = script.onreadystatechange = null;
}
};
firstScriptTag.parentNode.insertBefore(script, firstScriptTag);
}
VrAPI.isMediaStarted = true;
}
},
mediaReady: function mediaReady() {
VrAPI.isLoaded = true;
VrAPI.isMediaLoaded = true;
while (VrAPI.creationQueue.length > 0) {
var settings = VrAPI.creationQueue.pop();
VrAPI.createInstance(settings);
}
},
createInstance: function createInstance(settings) {
var player = new VRView.Player('#' + settings.id, settings.options);
window['__ready__' + settings.id](player);
}
};
var VrRenderer = {
name: 'vrview',
options: {
prefix: 'vrview'
},
canPlayType: function canPlayType(type) {
return ~['video/mp4', 'application/x-mpegurl', 'vnd.apple.mpegurl', 'application/dash+xml'].indexOf(type.toLowerCase());
},
create: function create(mediaElement, options, mediaFiles) {
var stack = [],
vr = {},
readyState = 4;
var vrPlayer = null,
paused = true,
volume = 1,
oldVolume = volume,
bufferedTime = 0,
ended = false,
duration = 0,
url = '';
vr.options = options;
vr.id = mediaElement.id + '_' + options.prefix;
vr.mediaElement = mediaElement;
var props = mejs.html5media.properties,
assignGettersSetters = function assignGettersSetters(propName) {
var capName = propName.substring(0, 1).toUpperCase() + propName.substring(1);
vr['get' + capName] = function () {
if (vrPlayer !== null) {
var value = null;
switch (propName) {
case 'currentTime':
return vrPlayer.getCurrentTime();
case 'duration':
return vrPlayer.getDuration();
case 'volume':
volume = vrPlayer.getVolume();
return volume;
case 'muted':
return volume === 0;
case 'paused':
paused = vrPlayer.isPaused;
return paused;
case 'ended':
return ended;
case 'src':
return url;
case 'buffered':
return {
start: function start() {
return 0;
},
end: function end() {
return bufferedTime * duration;
},
length: 1
};
case 'readyState':
return readyState;
}
return value;
} else {
return null;
}
};
vr['set' + capName] = function (value) {
if (vrPlayer !== null) {
switch (propName) {
case 'src':
var _url = typeof value === 'string' ? value : value[0].src;
vrPlayer.setContentInfo({ video: _url });
break;
case 'currentTime':
vrPlayer.setCurrentTime(value);
setTimeout(function () {
var event = mejs.Utils.createEvent('timeupdate', vr);
mediaElement.dispatchEvent(event);
}, 50);
break;
case 'volume':
vrPlayer.setVolume(value);
setTimeout(function () {
var event = mejs.Utils.createEvent('volumechange', vr);
mediaElement.dispatchEvent(event);
}, 50);
break;
case 'muted':
volume = value ? 0 : oldVolume;
vrPlayer.setVolume(volume);
setTimeout(function () {
var event = mejs.Utils.createEvent('volumechange', vr);
mediaElement.dispatchEvent(event);
}, 50);
break;
case 'readyState':
var event = mejs.Utils.createEvent('canplay', vr);
mediaElement.dispatchEvent(event);
break;
default:
console.log('VRView ' + vr.id, propName, 'UNSUPPORTED property');
break;
}
} else {
stack.push({ type: 'set', propName: propName, value: value });
}
};
};
for (var i = 0, il = props.length; i < il; i++) {
assignGettersSetters(props[i]);
}
var methods = mejs.html5media.methods,
assignMethods = function assignMethods(methodName) {
vr[methodName] = function () {
if (vrPlayer !== null) {
switch (methodName) {
case 'play':
return vrPlayer.play();
case 'pause':
return vrPlayer.pause();
case 'load':
return null;
}
} else {
stack.push({ type: 'call', methodName: methodName });
}
};
};
for (var _i = 0, _il = methods.length; _i < _il; _i++) {
assignMethods(methods[_i]);
}
var vrContainer = document.createElement('div');
vrContainer.setAttribute('id', vr.id);
vrContainer.style.width = '100%';
vrContainer.style.height = '100%';
window['__ready__' + vr.id] = function (_vrPlayer) {
mediaElement.vrPlayer = vrPlayer = _vrPlayer;
var iframe = vrContainer.querySelector('iframe');
iframe.style.width = '100%';
iframe.style.height = '100%';
if (stack.length) {
for (var _i2 = 0, _il2 = stack.length; _i2 < _il2; _i2++) {
var stackItem = stack[_i2];
if (stackItem.type === 'set') {
var propName = stackItem.propName,
capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
vr['set' + capName](stackItem.value);
} else if (stackItem.type === 'call') {
vr[stackItem.methodName]();
}
}
}
vrPlayer.on('ready', function () {
var events = mejs.html5media.events.concat(['mouseover', 'mouseout']);
var _loop = function _loop(_i3, _il3) {
vrPlayer.on(events[_i3], function () {
var event = mejs.Utils.createEvent(events[_i3], vr);
mediaElement.dispatchEvent(event);
});
};
for (var _i3 = 0, _il3 = events.length; _i3 < _il3; _i3++) {
_loop(_i3, _il3);
}
});
};
mediaElement.originalNode.parentNode.insertBefore(vrContainer, mediaElement.originalNode);
mediaElement.originalNode.style.display = 'none';
if (mediaElement.originalNode.getAttribute('data-360video-stereo') === 'false') {
options.vrIsStereo = false;
}
var vrSettings = {
path: options.vrPath,
is_stereo: options.vrIsStereo,
is_autopan_off: options.vrIsAutopanOff,
is_debug: options.vrDebug,
default_yaw: options.vrDefaultYaw,
is_yaw_only: options.vrIsYawOnly,
loop: options.loop
};
if (mediaFiles && mediaFiles.length > 0) {
for (var _i4 = 0, _il4 = mediaFiles.length; _i4 < _il4; _i4++) {
if (mejs.Renderers.renderers[options.prefix].canPlayType(mediaFiles[_i4].type)) {
vrSettings.video = mediaFiles[_i4].src;
vrSettings.width = '100%';
vrSettings.height = '100%';
break;
}
}
}
VrAPI.prepareSettings({
options: vrSettings,
id: vr.id
});
vr.hide = function () {
vr.pause();
if (vrPlayer) {
vrContainer.style.display = 'none';
}
};
vr.setSize = function () {};
vr.show = function () {
if (vrPlayer) {
vrContainer.style.display = '';
}
};
return vr;
}
};
mejs.Renderers.add(VrRenderer);
Object.assign(mejs.MepDefaults, {
vrPath: null,
vrIsStereo: true,
vrIsAutopanOff: true,
vrDebug: false,
vrDefaultYaw: 0,
vrIsYawOnly: false
});
Object.assign(MediaElementPlayer.prototype, {
buildvrview: function buildvrview(player, controls, layers, media) {
var t = this;
if (!t.isVideo || t.isVideo && t.media.rendererName !== null && !t.media.rendererName.match(/(native\_(dash|hls)|html5)/)) {
return;
}
if (player.node.getAttribute('data-360video') !== 'true') {
return;
}
var button = document.createElement('div');
player.detectFullscreenMode();
button.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'vrview-button';
button.innerHTML = '<button type="button" aria-controls="' + t.id + '" title="VR" aria-label="VR" tabindex="0"></button>';
button.addEventListener('click', function () {
var isFullScreen = mejs.Features.HAS_TRUE_NATIVE_FULLSCREEN && mejs.Features.IS_FULLSCREEN || player.isFullScreen;
if (isFullScreen) {
player.exitFullScreen();
} else {
player.enterFullScreen();
}
});
t.globalBind('keydown', function (e) {
var key = e.which || e.keyCode || 0;
if (key === 27 && (mejs.Features.HAS_TRUE_NATIVE_FULLSCREEN && mejs.Features.IS_FULLSCREEN || player.isFullScreen)) {
player.exitFullScreen();
}
});
t.addControlElement(button, 'vrview');
var url = media.getSrc(),
mediaFiles = [{ src: url, type: mejs.Utils.getTypeFromFile(url) }],
renderInfo = mejs.Renderers.select(mediaFiles, ['vrview']);
media.changeRenderer(renderInfo.rendererName, mediaFiles);
}
});
},{}]},{},[1]);