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// ==========================================================================
// Plyr UI
// ==========================================================================
import captions from './captions';
import controls from './controls';
import i18n from './i18n';
import support from './support';
import utils from './utils';
// Sniff out the browser
const browser = utils.getBrowser();
const ui = {
addStyleHook() {
utils.toggleClass(this.elements.container, this.config.selectors.container.replace('.', ''), true);
utils.toggleClass(this.elements.container, this.config.classNames.uiSupported, this.supported.ui);
},
// Toggle native HTML5 media controls
toggleNativeControls(toggle = false) {
if (toggle && this.isHTML5) {
this.media.setAttribute('controls', '');
} else {
this.media.removeAttribute('controls');
}
},
// Setup the UI
build() {
// Re-attach media element listeners
// TODO: Use event bubbling?
this.listeners.media();
// Don't setup interface if no support
if (!this.supported.ui) {
this.debug.warn(`Basic support only for ${this.provider} ${this.type}`);
// Restore native controls
ui.toggleNativeControls.call(this, true);
// Bail
return;
}
// Inject custom controls if not present
if (!utils.is.element(this.elements.controls)) {
// Inject custom controls
controls.inject.call(this);
// Re-attach control listeners
this.listeners.controls();
}
// Remove native controls
ui.toggleNativeControls.call(this);
// Captions
captions.setup.call(this);
// Reset volume
this.volume = null;
// Reset mute state
this.muted = null;
// Reset speed
this.speed = null;
// Reset loop state
this.loop = null;
// Reset quality setting
this.quality = null;
// Reset volume display
controls.updateVolume.call(this);
// Reset time display
controls.timeUpdate.call(this);
// Update the UI
ui.checkPlaying.call(this);
// Check for picture-in-picture support
utils.toggleClass(this.elements.container, this.config.classNames.pip.supported, support.pip && this.isHTML5 && this.isVideo);
// Check for airplay support
utils.toggleClass(this.elements.container, this.config.classNames.airplay.supported, support.airplay && this.isHTML5);
// Add iOS class
utils.toggleClass(this.elements.container, this.config.classNames.isIos, browser.isIos);
// Add touch class
utils.toggleClass(this.elements.container, this.config.classNames.isTouch, this.touch);
// Ready for API calls
this.ready = true;
// Ready event at end of execution stack
setTimeout(() => {
utils.dispatchEvent.call(this, this.media, 'ready');
}, 0);
// Set the title
ui.setTitle.call(this);
// Set the poster image
ui.setPoster.call(this);
},
// Setup aria attribute for play and iframe title
setTitle() {
// Find the current text
let label = i18n.get('play', this.config);
// If there's a media title set, use that for the label
if (utils.is.string(this.config.title) && !utils.is.empty(this.config.title)) {
label += `, ${this.config.title}`;
// Set container label
this.elements.container.setAttribute('aria-label', this.config.title);
}
// If there's a play button, set label
if (utils.is.nodeList(this.elements.buttons.play)) {
Array.from(this.elements.buttons.play).forEach(button => {
button.setAttribute('aria-label', label);
});
}
// Set iframe title
// https://github.com/sampotts/plyr/issues/124
if (this.isEmbed) {
const iframe = utils.getElement.call(this, 'iframe');
if (!utils.is.element(iframe)) {
return;
}
// Default to media type
const title = !utils.is.empty(this.config.title) ? this.config.title : 'video';
const format = i18n.get('frameTitle', this.config);
iframe.setAttribute('title', format.replace('{title}', title));
}
},
// Set the poster image
setPoster() {
if (!utils.is.element(this.elements.poster) || utils.is.empty(this.poster)) {
return;
}
// Set the inline style
const posters = this.poster.split(',');
this.elements.poster.style.backgroundImage = posters.map(p => `url('${p}')`).join(',');
},
// Check playing state
checkPlaying(event) {
// Class hooks
utils.toggleClass(this.elements.container, this.config.classNames.playing, this.playing);
utils.toggleClass(this.elements.container, this.config.classNames.paused, this.paused);
utils.toggleClass(this.elements.container, this.config.classNames.stopped, this.stopped);
// Set ARIA state
utils.toggleState(this.elements.buttons.play, this.playing);
// Only update controls on non timeupdate events
if (utils.is.event(event) && event.type === 'timeupdate') {
return;
}
// Toggle controls
ui.toggleControls.call(this);
},
// Check if media is loading
checkLoading(event) {
this.loading = [
'stalled',
'waiting',
].includes(event.type);
// Clear timer
clearTimeout(this.timers.loading);
// Timer to prevent flicker when seeking
this.timers.loading = setTimeout(() => {
// Update progress bar loading class state
utils.toggleClass(this.elements.container, this.config.classNames.loading, this.loading);
// Update controls visibility
ui.toggleControls.call(this);
}, this.loading ? 250 : 0);
},
// Toggle controls based on state and `force` argument
toggleControls(force) {
const { controls } = this.elements;
if (controls && this.config.hideControls) {
// Show controls if force, loading, paused, or button interaction, otherwise hide
this.toggleControls(Boolean(force || this.loading || this.paused || controls.pressed || controls.hover));
}
},
};
export default ui;
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