mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-04 22:01:05 +01:00
387 lines
8.1 KiB
JavaScript
387 lines
8.1 KiB
JavaScript
|
|
/**
|
|
* EGroupware Custom Html Elements - Multi Video Web Components
|
|
*
|
|
* @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]egroupware.org>
|
|
* @copyright EGroupware GmbH
|
|
*/
|
|
|
|
// Unfortunately compiled version of module:ES2015 TS would break webcomponent constructor.
|
|
/*
|
|
This web component allows to merge multiple videos and display them as one single widget/element
|
|
most of the html video attributes and methodes are supported. No controls attribute supported yet.
|
|
*/
|
|
// Create a class for the element
|
|
class multi_video extends HTMLElement {
|
|
|
|
constructor() {
|
|
super(); // Create a shadow root
|
|
|
|
/**
|
|
* contains video objects of type VideoTagsArray
|
|
* @private
|
|
*/
|
|
this._videos = [];
|
|
/**
|
|
* keeps duration time internally
|
|
* @private
|
|
*/
|
|
|
|
this._duration = 0;
|
|
/**
|
|
* keeps currentTime internally
|
|
* @private
|
|
*/
|
|
|
|
this._currentTime = 0;
|
|
/**
|
|
* Keeps video playing state internally
|
|
* @private
|
|
*/
|
|
|
|
this.__playing = false;
|
|
|
|
/**
|
|
* shadow dom container
|
|
* @private
|
|
*/
|
|
this._shadow = this.attachShadow({
|
|
mode: 'open'
|
|
}); // Create videos wrapper
|
|
|
|
/**
|
|
* wrapper container holds video tags
|
|
* @private
|
|
*/
|
|
this._wrapper = document.createElement('div');
|
|
|
|
this._wrapper.setAttribute('class', 'wrapper'); // Create some CSS to apply to the shadow dom
|
|
|
|
|
|
this._style = document.createElement('style');
|
|
this._style.textContent = '.wrapper {' + 'width: 100%;' + 'height: auto;' + 'display: block;' + '}' + '.wrapper video {' + 'width: 100%;' + 'height: auto;' + '}'; // attach to the shadow dom
|
|
|
|
this._shadow.appendChild(this._style);
|
|
|
|
this._shadow.appendChild(this._wrapper);
|
|
}
|
|
/**
|
|
* set observable attributes
|
|
* @return {string[]}
|
|
*/
|
|
|
|
|
|
static get observedAttributes() {
|
|
return ['src', 'type'];
|
|
}
|
|
/**
|
|
* Gets called on observable attributes changes
|
|
* @param name attribute name
|
|
* @param _
|
|
* @param newVal new value
|
|
*/
|
|
|
|
|
|
attributeChangedCallback(name, _, newVal) {
|
|
switch (name) {
|
|
case 'src':
|
|
this.__buildVideoTags(newVal);
|
|
|
|
break;
|
|
|
|
case 'type':
|
|
this._videos.forEach(_item => {
|
|
_item.node.setAttribute('type', newVal);
|
|
});
|
|
|
|
break;
|
|
}
|
|
}
|
|
/**
|
|
* init/update video tags
|
|
* @param _value
|
|
* @private
|
|
*/
|
|
|
|
|
|
__buildVideoTags(_value) {
|
|
let value = _value.split(',');
|
|
|
|
let video = null;
|
|
|
|
for (let i = 0; i < value.length; i++) {
|
|
video = document.createElement('video');
|
|
video.src = value[i];
|
|
this._videos[i] = {
|
|
node: this._wrapper.appendChild(video),
|
|
loadedmetadata: false,
|
|
timeupdate: false,
|
|
duration: 0,
|
|
previousDurations: 0,
|
|
currentTime: 0,
|
|
active: false,
|
|
index: i
|
|
}; // loadmetadata event
|
|
|
|
this._videos[i]['node'].addEventListener("loadedmetadata", function (_i, _event) {
|
|
this._videos[_i]['loadedmetadata'] = true;
|
|
|
|
this.__check_loadedmetadata();
|
|
}.bind(this, i)); //timeupdate event
|
|
|
|
|
|
this._videos[i]['node'].addEventListener("timeupdate", function (_i, _event) {
|
|
this._currentTime = this._videos[i]['previousDurations'] + _event.target.currentTime; // push the next video to start otherwise the time update gets paused as it ends automatically
|
|
// with the current video being ended
|
|
|
|
if (this._videos[i].node.ended && !this.ended) this.currentTime = this._currentTime + 0.1;
|
|
|
|
this.__pushEvent('timeupdate');
|
|
}.bind(this, i));
|
|
}
|
|
}
|
|
/**
|
|
* calculates duration of videos
|
|
* @return {number} returns accumulated durations
|
|
* @private
|
|
*/
|
|
|
|
|
|
__duration() {
|
|
let duration = 0;
|
|
|
|
this._videos.forEach(_item => {
|
|
duration += _item.duration;
|
|
});
|
|
|
|
return duration;
|
|
}
|
|
/**
|
|
* Get current active video
|
|
* @return {*[]} returns an array of object consist of current video displayed node
|
|
* @private
|
|
*/
|
|
|
|
|
|
__getActiveVideo() {
|
|
return this._videos.filter(_item => {
|
|
return _item.active;
|
|
});
|
|
}
|
|
/**
|
|
* check if all meta data from videos are ready then pushes the event
|
|
* @private
|
|
*/
|
|
|
|
|
|
__check_loadedmetadata() {
|
|
let allReady = true;
|
|
|
|
this._videos.forEach(_item => {
|
|
allReady = allReady && _item.loadedmetadata;
|
|
});
|
|
|
|
if (allReady) {
|
|
this._videos.forEach(_item => {
|
|
_item.duration = _item.node.duration;
|
|
_item.previousDurations = _item.index > 0 ? this._videos[_item.index - 1]['duration'] + this._videos[_item.index - 1]['previousDurations'] : 0;
|
|
});
|
|
|
|
this.duration = this.__duration();
|
|
this.currentTime = 0;
|
|
|
|
this.__pushEvent('loadedmetadata');
|
|
}
|
|
}
|
|
/**
|
|
* Creates event and dispatches it
|
|
* @param _name
|
|
*/
|
|
|
|
|
|
__pushEvent(_name) {
|
|
let event = document.createEvent("Event");
|
|
event.initEvent(_name, true, true);
|
|
this.dispatchEvent(event);
|
|
}
|
|
/**************************** PUBLIC ATTRIBUTES & METHODES *************************************************/
|
|
|
|
/****************************** ATTRIBUTES **************************************/
|
|
|
|
/**
|
|
* set src
|
|
* @param _value
|
|
*/
|
|
|
|
|
|
set src(_value) {
|
|
let value = _value.split(',');
|
|
|
|
Array.from(this._wrapper.children).forEach(_ch => {
|
|
_ch.remove();
|
|
});
|
|
|
|
this.__buildVideoTags(value);
|
|
}
|
|
/**
|
|
* get src
|
|
* @return string returns comma separated sources
|
|
*/
|
|
|
|
|
|
get src() {
|
|
return this.src;
|
|
}
|
|
/**
|
|
* currentTime
|
|
* @param _time
|
|
*/
|
|
|
|
|
|
set currentTime(_time) {
|
|
let ctime = _time;
|
|
this._currentTime = _time;
|
|
|
|
this._videos.forEach(_item => {
|
|
if (ctime < _item.duration + _item.previousDurations && (ctime == 0 && _item.previousDurations == 0 || ctime > _item.previousDurations)) {
|
|
if (this.__playing && _item.node.paused) _item.node.play();
|
|
_item.currentTime = Math.abs(_item.previousDurations - ctime);
|
|
_item.node.currentTime = _item.currentTime;
|
|
_item.active = true;
|
|
} else {
|
|
_item.active = false;
|
|
|
|
_item.node.pause();
|
|
}
|
|
|
|
_item.node.hidden = !_item.active;
|
|
});
|
|
}
|
|
/**
|
|
* get currentTime
|
|
* @return {number}
|
|
*/
|
|
|
|
|
|
get currentTime() {
|
|
return this._currentTime;
|
|
}
|
|
/**
|
|
* set video duration time attribute
|
|
* @param _value
|
|
*/
|
|
|
|
|
|
set duration(_value) {
|
|
this._duration = _value;
|
|
}
|
|
/**
|
|
* get video duration time
|
|
*/
|
|
|
|
|
|
get duration() {
|
|
return this._duration;
|
|
}
|
|
/**
|
|
* get paused attribute
|
|
*/
|
|
|
|
|
|
get paused() {
|
|
return this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.paused : undefined) : undefined;
|
|
}
|
|
/**
|
|
* set muted attribute
|
|
* @param _value
|
|
*/
|
|
|
|
|
|
set muted(_value) {
|
|
this._videos.forEach(_item => {
|
|
_item.node.muted = _value;
|
|
});
|
|
}
|
|
/**
|
|
* get muted attribute
|
|
*/
|
|
|
|
|
|
get muted() {
|
|
|
|
return this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.muted : undefined) : undefined;;
|
|
}
|
|
/**
|
|
* get video ended attribute
|
|
*/
|
|
|
|
|
|
get ended() {
|
|
return this._videos[this._videos.length - 1] ? (this._videos[this._videos.length - 1].node ? this._videos[this._videos.length - 1].node.ended : undefined) : undefined;
|
|
}
|
|
/**
|
|
* set playbackRate
|
|
* @param _value
|
|
*/
|
|
|
|
|
|
set playbackRate(_value) {
|
|
this._videos.forEach(_item => {
|
|
_item.node.playbackRate = _value;
|
|
});
|
|
}
|
|
/**
|
|
* get playbackRate
|
|
*/
|
|
|
|
|
|
get playbackRate() {
|
|
return this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.playbackRate : undefined) : undefined;
|
|
}
|
|
/**
|
|
* set volume
|
|
*/
|
|
|
|
|
|
set volume(_value) {
|
|
this._videos.forEach(_item => {
|
|
_item.node.volume = _value;
|
|
});
|
|
}
|
|
/**
|
|
* get volume
|
|
*/
|
|
|
|
|
|
get volume() {
|
|
return this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.volume : undefined) : undefined;
|
|
}
|
|
/************************************************* METHODES ******************************************/
|
|
|
|
/**
|
|
* Play video
|
|
*/
|
|
|
|
|
|
play() {
|
|
this.__playing = true;
|
|
return this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.play() : undefined) : undefined;
|
|
}
|
|
/**
|
|
* pause video
|
|
*/
|
|
|
|
|
|
pause() {
|
|
this.__playing = false;
|
|
this.__getActiveVideo()[0] ? (this.__getActiveVideo()[0].node ? this.__getActiveVideo()[0].node.pause() : undefined) : undefined;
|
|
}
|
|
|
|
} // Define the new multi-video element
|
|
|
|
|
|
customElements.define('multi-video', multi_video); |