egroupware/api/js/etemplate/et2_widget_video.js
2021-06-07 17:33:53 +02:00

456 lines
15 KiB
JavaScript

/**
* EGroupware eTemplate2 - JS Description object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link https://www.egroupware.org
* @author Hadi Nategh <hn[at]stylite.de>
* @copyright EGroupware GmbH 2020-2021
*/
/*egw:uses
/vendor/bower-asset/jquery/dist/jquery.js;
et2_core_interfaces;
et2_core_baseWidget;
*/
import { et2_baseWidget } from './et2_core_baseWidget';
import { ClassWithAttributes } from "./et2_core_inheritance";
import { et2_register_widget } from "./et2_core_widget";
/**
* This widget represents the HTML5 video tag with all its optional attributes
*
* The widget can be created in the following ways:
* <code>
* var videoTag = et2_createWidget("video", {
* video_src: "../../test.mp4",
* src_type: "video/mp4",
* muted: true,
* autoplay: true,
* controls: true,
* poster: "../../poster.jpg",
* loop: true,
* height: 100,
* width: 200,
* });
* </code>
* Or by adding XET-tag in your template (.xet) file:
* <code>
* <video [attributes...]/>
* </code>
*/
/**
* Class which implements the "video" XET-Tag
*
* @augments et2_baseWidget
*/
export class et2_video extends et2_baseWidget {
constructor(_parent, _attrs, _child) {
super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_video._attributes, _child || {}));
this.video = null;
/**
* keeps internal state of previousTime video played
* @private
*/
this._previousTime = 0;
this.set_src_type(this.options.src_type);
}
set_src_type(_type) {
this.options.src_type = _type;
if (this.video && this._isYoutube() === (this.video[0].tagName === 'DIV')) {
return;
}
//Create Video tag
this.video = jQuery(document.createElement(this._isYoutube() ? "div" : "video"))
.addClass('et2_video')
.attr('id', this.dom_id);
if (this._isYoutube()) {
// this div will be replaced by youtube iframe api when youtube gets ready
this.youtubeFrame = jQuery(document.createElement('div'))
.appendTo(this.video)
.attr('id', et2_video.youtubePrefixId + this.id);
if (!document.getElementById('youtube-api-script')) {
//Load youtube iframe api
let tag = document.createElement('script');
tag.id = 'youtube-api-script';
tag.src = "https://www.youtube.com/iframe_api";
let firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
}
}
if (!this._isYoutube() && this.options.controls) {
this.video.attr("controls", 1);
}
if (!this._isYoutube() && this.options.autoplay) {
this.video.attr("autoplay", 1);
}
if (this.options.muted) {
this.video.attr("muted", 1);
}
if (this.options.video_src) {
this.set_src(this.options.video_src);
}
if (this.options.loop) {
this.video.attr("loop", 1);
}
this.setDOMNode(this.video[0]);
this.set_width(this.options.width || 'auto');
this.set_height(this.options.height || 'auto');
}
/**
* Set video src
*
* @param {string} _value url
*/
set_src(_value) {
let self = this;
this.options.video_src = _value;
if (_value && !this._isYoutube()) {
this.video.attr('src', _value);
if (this.options.src_type) {
this.video.attr('type', this.options.src_type);
}
}
else if (_value) {
if (typeof YT == 'undefined') {
//initiate youtube Api object, it gets called automatically by iframe_api script from the api
window.onYouTubeIframeAPIReady = this._onYoutubeIframeAPIReady;
window.addEventListener('et2_video.onYoutubeIframeAPIReady', function () {
self._createYoutubePlayer(self.options.video_src);
});
}
else {
self._createYoutubePlayer(self.options.video_src);
}
}
}
/**
* Set autoplay option for video
* -If autoplay is set, video would be played automatically after the page is loaded
*
* @param {string} _value true set the autoplay and false not to set
*/
set_autoplay(_value) {
if (_value && !this._isYoutube()) {
this.video.attr("autoplay", _value);
}
}
/**
* Set controls option for video
*
* @param {string} _value true set the autoplay and false not to set
*/
set_controls(_value) {
if (_value && !this._isYoutube()) {
this.video.attr("controls", _value);
}
}
/**
* Set poster attribute in order to specify
* an image to be shown while video is loading or before user play it
*
* @param {string} _url url or image spec like "api/mime128_video"
*/
set_poster(_url) {
if (_url) {
if (_url[0] !== '/' && !_url.match(/^https?:\/\//)) {
_url = this.egw().image(_url);
}
this.video.attr("poster", _url);
}
}
/**
* Seek to a time / position
*
* @param _vtime in seconds
*/
seek_video(_vtime) {
if (this._isYoutube()) {
if (this.youtube.seekTo) {
this.youtube.seekTo(_vtime, true);
this._currentTime = _vtime;
}
}
else {
this.video[0].currentTime = _vtime;
}
}
/**
* Play video
*/
play_video() {
if (this._isYoutube()) {
let self = this;
return new Promise(function (resolve) {
if (self.youtube.playVideo) {
self.youtube.playVideo();
resolve();
}
});
}
return this.video[0].play();
}
/**
* Pause video
*/
pause_video() {
if (this._isYoutube()) {
if (this.youtube.pauseVideo) {
this.youtube.pauseVideo();
this.currentTime(this.youtube.getCurrentTime());
}
}
else {
this.video[0].pause();
}
}
/**
* play video
* ***Internal use and should not be overriden in its extended class***
*/
play() {
var _a;
return this._isYoutube() && ((_a = this.youtube) === null || _a === void 0 ? void 0 : _a.playVideo) ? this.youtube.playVideo() : this.video[0].play();
}
/**
* Get/set current video time / position in seconds
* @return returns currentTime
*/
currentTime(_time) {
var _a;
if (_time) {
if (this._isYoutube()) {
this.youtube.seekTo(_time);
}
else {
this.video[0].currentTime = _time;
}
return this._currentTime = _time;
}
if (this._isYoutube()) {
if (typeof this._currentTime != 'undefined') {
return this._currentTime;
}
return ((_a = this.youtube) === null || _a === void 0 ? void 0 : _a.getCurrentTime) ? this.youtube.getCurrentTime() : 0;
}
else {
return this.video[0].currentTime;
}
}
/**
* get duration time
* @return returns duration time
*/
duration() {
var _a;
if (this._isYoutube()) {
return ((_a = this.youtube) === null || _a === void 0 ? void 0 : _a.getDuration) ? this.youtube.getDuration() : 0;
}
else {
return this.video[0].duration;
}
}
/**
* get pasued
* @return returns paused flag
*/
paused() {
if (this._isYoutube()) {
return this.youtube.getPlayerState() == et2_video.youtube_player_states.paused;
}
return this.video[0].paused;
}
/**
* get ended
* @return returns ended flag
*/
ended() {
if (this._isYoutube()) {
return this.youtube.getPlayerState() == et2_video.youtube_player_states.ended;
}
return this.video[0].ended;
}
/**
* get/set priviousTime
* @param _time
* @return returns time
*/
previousTime(_time) {
if (_time)
this._previousTime = _time;
return this._previousTime;
}
doLoadingFinished() {
super.doLoadingFinished();
let self = this;
if (!this._isYoutube()) {
this.video[0].addEventListener("loadedmetadata", function () {
self._onReady();
});
this.video[0].addEventListener("timeupdate", function () {
self._onTimeUpdate();
});
}
else {
// need to create the player after the DOM is ready otherwise player won't show up
if (window.YT)
this._createYoutubePlayer(this.options.video_src);
}
return false;
}
videoLoadnigIsFinished() {
if (this.options.starttime) {
this.seek_video(this.options.starttime);
// unfortunately, youtube api autoplays the video after seekTo on initiation
// and there's no way to stop that therefore we need to trick it by manually
// pausing the video (this would bring up the spinner with the black screen,
// in order to avoid that we let the video plays for a second then we pause).
// since the youtube timeline is one second advanced we need to seek back to
// the original stattime although this time because it was manually paused
// we won't have the spinner and black screen instead we get the preview.
if (this._isYoutube())
window.setTimeout(function () {
this.youtube.pauseVideo();
this.youtube.seekTo(this.options.starttime);
;
}.bind(this), 1000);
}
}
_onReady() {
// need to set the video dom to transformed iframe
if (this._isYoutube() && this.youtube.getIframe)
this.youtubeFrame = jQuery(this.youtube.getIframe());
let event = document.createEvent("Event");
event.initEvent('et2_video.onReady.' + this.id, true, true);
this.video[0].dispatchEvent(event);
}
_onTimeUpdate() {
// update currentTime manually since youtube currentTime might be updated due to the loading
if (this._isYoutube() && this.youtube.getCurrentTime)
this._currentTime = this.youtube.getCurrentTime();
let event = document.createEvent("Event");
event.initEvent('et2_video.onTimeUpdate.' + this.id, true, true);
this.video[0].dispatchEvent(event);
}
/**
* check if the video is a youtube type
* @return return true if it's a youtube type video
* @private
*/
_isYoutube() {
return !!this.options.src_type.match('youtube');
}
_onStateChangeYoutube(_data) {
switch (_data.data) {
case et2_video.youtube_player_states.unstarted:
// do nothing
break;
case et2_video.youtube_player_states.playing:
this._youtubeOntimeUpdateIntrv = window.setInterval(jQuery.proxy(this._onTimeUpdate, this), 100);
break;
default:
window.clearInterval(this._youtubeOntimeUpdateIntrv);
}
console.log(_data);
}
/**
* youtube on IframeAPI ready event
*/
_onYoutubeIframeAPIReady() {
let event = document.createEvent("Event");
event.initEvent('et2_video.onYoutubeIframeAPIReady', true, true);
window.dispatchEvent(event);
}
/**
* create youtube player
*
* @param _value
*/
_createYoutubePlayer(_value) {
const matches = _value === null || _value === void 0 ? void 0 : _value.match(et2_video.youtubeRegexp);
if (matches && typeof YT != 'undefined') {
this.youtube = new YT.Player(et2_video.youtubePrefixId + this.id, {
height: this.options.height || '400',
width: '100%',
playerVars: {
'autoplay': 0,
'controls': 0,
'modestbranding': 1,
'fs': 0,
'disablekb': 1,
'rel': 0,
'iv_load_policy': 0,
'cc_load_policy': 0
},
videoId: matches[4],
events: {
'onReady': jQuery.proxy(this._onReady, this),
'onStateChange': jQuery.proxy(this._onStateChangeYoutube, this)
}
});
}
}
}
et2_video._attributes = {
"video_src": {
"name": "Video",
"type": "string",
"description": "Source of video to display"
},
"src_type": {
"name": "Source type",
"type": "string",
"description": "Defines the type the stream source provided"
},
"muted": {
"name": "Audio control",
"type": "boolean",
"default": false,
"description": "Defines that the audio output of the video should be muted"
},
"autoplay": {
"name": "Autoplay",
"type": "boolean",
"default": false,
"description": "Defines if Video will start playing as soon as it is ready"
},
starttime: {
"name": "Inital position of video",
"type": "float",
"default": 0,
"description": "Set initial position of video"
},
"controls": {
"name": "Control buttons",
"type": "boolean",
"default": false,
"description": "Defines if Video controls, play/pause buttons should be displayed"
},
"poster": {
"name": "Video Poster",
"type": "string",
"default": "",
"description": "Specifies an image to be shown while video is loading or before user play it"
},
"loop": {
"name": "Video loop",
"type": "boolean",
"default": false,
"description": "Defines if the video should be played repeatedly"
}
};
et2_video.youtube_player_states = {
unstarted: -1,
ended: 0,
playing: 1,
paused: 2,
buffering: 3,
video_cued: 5
};
/**
* prefix id used for addressing youtube player dom
* @private
*/
et2_video.youtubePrefixId = "frame-";
et2_video.youtubeRegexp = new RegExp(/^https:\/\/((www\.|m\.)?youtube(-nocookie)?\.com|youtu\.be)\/.*(?:\/|%3D|v=|vi=)([0-9A-z-_]{11})(?:[%#?&]|$)/m);
et2_register_widget(et2_video, ["video"]);
//# sourceMappingURL=et2_widget_video.js.map