123 lines
3.8 KiB
JavaScript
123 lines
3.8 KiB
JavaScript
/**
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* Although videojs has its own i18n system, it is not trivial to pass our
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* translation data to it. Instead of maintaining two sets of localization
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* systems, we'll just ignore the videojs one and update the strings ourselves
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* through events.
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*
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* We use events because that's the only way to update components with dynamic
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* text like "Play/Pause" in videojs. We can't just define the set of texts at
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* initialization, unless we use custom components to do that.
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*
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* For the case of 'MuteToggle', videojs changes the text at 'loadstart', so
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* this event was chosen as the "lowest common denominator" to update the other
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* static-text components.
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*
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* --- Notes ---
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* (1) 'AutoplayNextButton' and 'TheaterModeButton' handles i18n (among other
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* things) on its own.
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*/
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// @flow
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import videojs from 'video.js';
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import type { Player } from '../../videojs';
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const VERSION = '1.0.0';
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const defaultOptions = {};
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function logError(msg) {
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// @if process.env.LOG_VIDEOJS_I18N='true'
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console.error(msg);
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// @endif
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}
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function setLabel(controlBar, childName, label) {
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try {
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controlBar.getChild(childName).controlText(label);
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} catch (e) {
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// We want to be notified, at least on dev, over any structural changes,
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// so don't check for null children and let the error surface.
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logError(childName + ': ' + e);
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}
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}
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function resolveCtrlText(e, player) {
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if (player) {
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const ctrlBar = player.getChild('controlBar');
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switch (e.type) {
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case 'play':
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setLabel(ctrlBar, 'PlayToggle', __('Pause (space)'));
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break;
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case 'pause':
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setLabel(ctrlBar, 'PlayToggle', __('Play (space)'));
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break;
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case 'volumechange':
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try {
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ctrlBar
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.getChild('VolumePanel')
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.getChild('MuteToggle')
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.controlText(player.muted() || player.volume() === 0 ? __('Unmute (m)') : __('Mute (m)'));
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} catch (e) {
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logError('MuteToggle: ' + e);
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}
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break;
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case 'fullscreenchange':
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setLabel(ctrlBar, 'FullscreenToggle', player.isFullscreen() ? __('Exit Fullscreen (f)') : __('Fullscreen (f)'));
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break;
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case 'loadstart':
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// --- Do everything ---
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setLabel(ctrlBar, 'PlaybackRateMenuButton', __('Playback Rate (<, >)'));
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setLabel(ctrlBar, 'QualityButton', __('Quality'));
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setLabel(ctrlBar, 'PlayNextButton', __('Play Next (SHIFT+N)'));
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setLabel(ctrlBar, 'PlayPreviousButton', __('Play Previous (SHIFT+P)'));
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setLabel(ctrlBar, 'ChaptersButton', __('Chapters'));
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setLabel(ctrlBar, 'ChromecastButton', __('Open Chromecast menu'));
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setLabel(ctrlBar, 'FullscreenToggle', player.isFullscreen() ? __('Exit Fullscreen (f)') : __('Fullscreen (f)'));
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try {
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ctrlBar
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.getChild('VolumePanel')
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.getChild('MuteToggle')
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.controlText(player.muted() || player.volume() === 0 ? __('Unmute (m)') : __('Mute (m)'));
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} catch (e) {
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logError('MuteToggle: ' + e);
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}
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resolveCtrlText({ type: 'play' });
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resolveCtrlText({ type: 'pause' });
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resolveCtrlText({ type: 'volumechange' });
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resolveCtrlText({ type: 'fullscreenchange' });
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break;
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default:
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logError('Unexpected: ' + e.type);
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break;
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}
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}
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}
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function onPlayerReady(player: Player, options: {}) {
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const h = (e) => resolveCtrlText(e, player);
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player.on('play', h);
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player.on('pause', h);
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player.on('loadstart', h);
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player.on('fullscreenchange', h);
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player.on('volumechange', h);
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}
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/**
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* Odysee custom i18n plugin.
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* @param options
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*/
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function i18n(options: {}) {
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this.ready(() => onPlayerReady(this, videojs.mergeOptions(defaultOptions, options)));
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}
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videojs.registerPlugin('i18n', i18n);
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i18n.VERSION = VERSION;
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export default i18n;
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