100 lines
2.9 KiB
JavaScript
100 lines
2.9 KiB
JavaScript
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import React from 'react';
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import Icon from 'component/common/icon';
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import * as ICONS from 'constants/icons';
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import ReactDOMServer from 'react-dom/server';
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import './plugins/videojs-overlay/plugin';
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import './plugins/videojs-overlay/plugin.scss';
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// ****************************************************************************
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// ****************************************************************************
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const OVERLAY_NAME_ONE_OFF = 'one-off';
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const OVERLAY_CLASS_PLAYBACK_RATE = 'vjs-overlay-playrate';
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const OVERLAY_CLASS_SEEKED = 'vjs-overlay-seeked';
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// ****************************************************************************
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// ****************************************************************************
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/**
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* Overlays that will always be registered with the plugin.
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* @type {*[]}
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*/
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const PERMANENT_OVERLAYS = [
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// Nothing for now.
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// --- Example: ---
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// {
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// content: 'Video is now playing',
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// start: 'play',
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// end: 'pause',
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// align: 'center',
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// },
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];
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export const OVERLAY_DATA = {
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// https://github.com/brightcove/videojs-overlay/blob/master/README.md#documentation
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overlays: [...PERMANENT_OVERLAYS],
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};
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/**
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* Wrapper to hide away the complexity of adding dynamic content, which the
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* plugin currently does not support. To change the 'content' of an overlay,
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* we need to re-create the entire array.
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* This wrapper ensures the PERMANENT_OVERLAYS (and potentially other overlays)
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* don't get lost.
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*/
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function showOneOffOverlay(player, className, overlayJsx, align) {
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// Delete existing:
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OVERLAY_DATA.overlays = OVERLAY_DATA.overlays.filter(x => x.name !== OVERLAY_NAME_ONE_OFF);
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// Create new one:
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OVERLAY_DATA.overlays.push({
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name: OVERLAY_NAME_ONE_OFF,
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class: className,
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content: ReactDOMServer.renderToStaticMarkup(overlayJsx),
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start: 'immediate',
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align: align,
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});
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// Display it:
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player.overlay(OVERLAY_DATA);
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}
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/**
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* Displays a transient "Playback Rate" overlay.
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*
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* @param player The videojs instance.
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* @param newRate The current playback rate value.
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* @param isSpeedUp true if the change was speeding up, false otherwise.
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*/
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export function showPlaybackRateOverlay(player, newRate, isSpeedUp) {
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const overlayJsx = (
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<div>
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<p>{newRate}x</p>
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<p>
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<Icon icon={isSpeedUp ? ICONS.ARROW_RIGHT : ICONS.ARROW_LEFT} size={48} />
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</p>
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</div>
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);
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showOneOffOverlay(player, OVERLAY_CLASS_PLAYBACK_RATE, overlayJsx, 'center');
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}
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/**
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* Displays a transient "Seeked" overlay.
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*
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* @param player The videojs instance.
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* @param duration The seek delta duration.
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* @param isForward true if seeking forward, false otherwise.
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*/
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export function showSeekedOverlay(player, duration, isForward) {
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const overlayJsx = (
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<div>
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<p>
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{isForward ? '+' : '-'}
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{duration}
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</p>
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</div>
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);
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showOneOffOverlay(player, OVERLAY_CLASS_SEEKED, overlayJsx, 'center');
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}
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