596 lines
20 KiB
JavaScript
596 lines
20 KiB
JavaScript
// ==========================================================================
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// Plyr Event Listeners
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// ==========================================================================
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import support from './support';
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import utils from './utils';
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import controls from './controls';
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import ui from './ui';
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// Sniff out the browser
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const browser = utils.getBrowser();
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class Listeners {
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constructor(player) {
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this.player = player;
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this.lastKey = null;
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this.handleKey = this.handleKey.bind(this);
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this.toggleMenu = this.toggleMenu.bind(this);
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}
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// Handle key presses
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handleKey(event) {
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const code = event.keyCode ? event.keyCode : event.which;
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const pressed = event.type === 'keydown';
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const repeat = pressed && code === this.lastKey;
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// Bail if a modifier key is set
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if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) {
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return;
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}
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// If the event is bubbled from the media element
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// Firefox doesn't get the keycode for whatever reason
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if (!utils.is.number(code)) {
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return;
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}
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// Seek by the number keys
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const seekByKey = () => {
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// Divide the max duration into 10th's and times by the number value
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this.player.currentTime = this.player.duration / 10 * (code - 48);
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};
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// Handle the key on keydown
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// Reset on keyup
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if (pressed) {
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// Which keycodes should we prevent default
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const preventDefault = [
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48,
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49,
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50,
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51,
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52,
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53,
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54,
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56,
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57,
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32,
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75,
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38,
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40,
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77,
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39,
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37,
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70,
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67,
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73,
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76,
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79,
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];
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// Check focused element
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// and if the focused element is not editable (e.g. text input)
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// and any that accept key input http://webaim.org/techniques/keyboard/
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const focused = utils.getFocusElement();
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if (utils.is.element(focused) && utils.matches(focused, this.player.config.selectors.editable)) {
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return;
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}
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// If the code is found prevent default (e.g. prevent scrolling for arrows)
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if (preventDefault.includes(code)) {
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event.preventDefault();
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event.stopPropagation();
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}
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switch (code) {
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case 48:
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case 49:
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case 50:
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case 51:
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case 52:
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case 53:
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case 54:
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case 55:
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case 56:
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case 57:
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// 0-9
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if (!repeat) {
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seekByKey();
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}
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break;
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case 32:
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case 75:
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// Space and K key
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if (!repeat) {
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this.player.togglePlay();
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}
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break;
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case 38:
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// Arrow up
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this.player.increaseVolume(0.1);
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break;
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case 40:
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// Arrow down
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this.player.decreaseVolume(0.1);
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break;
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case 77:
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// M key
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if (!repeat) {
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this.player.muted = !this.player.muted;
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}
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break;
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case 39:
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// Arrow forward
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this.player.forward();
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break;
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case 37:
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// Arrow back
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this.player.rewind();
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break;
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case 70:
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// F key
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this.player.fullscreen.toggle();
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break;
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case 67:
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// C key
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if (!repeat) {
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this.player.toggleCaptions();
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}
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break;
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case 76:
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// L key
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this.player.loop = !this.player.loop;
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break;
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/* case 73:
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this.setLoop('start');
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break;
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case 76:
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this.setLoop();
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break;
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case 79:
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this.setLoop('end');
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break; */
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default:
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break;
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}
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// Escape is handle natively when in full screen
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// So we only need to worry about non native
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if (!this.player.fullscreen.enabled && this.player.fullscreen.active && code === 27) {
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this.player.fullscreen.toggle();
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}
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// Store last code for next cycle
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this.lastKey = code;
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} else {
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this.lastKey = null;
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}
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}
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// Toggle menu
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toggleMenu(event) {
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controls.toggleMenu.call(this.player, event);
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}
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// Global window & document listeners
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global(toggle = true) {
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// Keyboard shortcuts
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if (this.player.config.keyboard.global) {
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utils.toggleListener(window, 'keydown keyup', this.handleKey, toggle, false);
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}
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// Click anywhere closes menu
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utils.toggleListener(document.body, 'click', this.toggleMenu, toggle);
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}
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// Container listeners
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container() {
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// Keyboard shortcuts
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if (!this.player.config.keyboard.global && this.player.config.keyboard.focused) {
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utils.on(this.player.elements.container, 'keydown keyup', this.handleKey, false);
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}
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// Detect tab focus
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// Remove class on blur/focusout
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utils.on(this.player.elements.container, 'focusout', event => {
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utils.toggleClass(event.target, this.player.config.classNames.tabFocus, false);
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});
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// Add classname to tabbed elements
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utils.on(this.player.elements.container, 'keydown', event => {
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if (event.keyCode !== 9) {
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return;
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}
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// Delay the adding of classname until the focus has changed
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// This event fires before the focusin event
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setTimeout(() => {
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utils.toggleClass(utils.getFocusElement(), this.player.config.classNames.tabFocus, true);
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}, 0);
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});
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// Toggle controls visibility based on mouse movement
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if (this.player.config.hideControls) {
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// Toggle controls on mouse events and entering fullscreen
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utils.on(this.player.elements.container, 'mouseenter mouseleave mousemove touchstart touchend touchmove enterfullscreen exitfullscreen', event => {
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this.player.toggleControls(event);
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});
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}
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}
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// Listen for media events
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media() {
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// Time change on media
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utils.on(this.player.media, 'timeupdate seeking', event => ui.timeUpdate.call(this.player, event));
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// Display duration
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utils.on(this.player.media, 'durationchange loadedmetadata', event => ui.durationUpdate.call(this.player, event));
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// Check for audio tracks on load
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// We can't use `loadedmetadata` as it doesn't seem to have audio tracks at that point
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utils.on(this.player.media, 'loadeddata', () => {
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utils.toggleHidden(this.player.elements.volume, !this.player.hasAudio);
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utils.toggleHidden(this.player.elements.buttons.mute, !this.player.hasAudio);
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});
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// Handle the media finishing
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utils.on(this.player.media, 'ended', () => {
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// Show poster on end
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if (this.player.isHTML5 && this.player.isVideo && this.player.config.showPosterOnEnd) {
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// Restart
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this.player.restart();
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// Re-load media
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this.player.media.load();
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}
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});
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// Check for buffer progress
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utils.on(this.player.media, 'progress playing', event => ui.updateProgress.call(this.player, event));
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// Handle native mute
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utils.on(this.player.media, 'volumechange', event => ui.updateVolume.call(this.player, event));
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// Handle native play/pause
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utils.on(this.player.media, 'playing play pause ended', event => ui.checkPlaying.call(this.player, event));
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// Loading
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utils.on(this.player.media, 'waiting canplay seeked playing', event => ui.checkLoading.call(this.player, event));
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// Check if media failed to load
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// utils.on(this.player.media, 'play', event => ui.checkFailed.call(this.player, event));
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// Click video
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if (this.player.supported.ui && this.player.config.clickToPlay && !this.player.isAudio) {
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// Re-fetch the wrapper
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const wrapper = utils.getElement.call(this.player, `.${this.player.config.classNames.video}`);
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// Bail if there's no wrapper (this should never happen)
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if (!utils.is.element(wrapper)) {
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return;
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}
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// On click play, pause ore restart
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utils.on(wrapper, 'click', () => {
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// Touch devices will just show controls (if we're hiding controls)
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if (this.player.config.hideControls && support.touch && !this.player.paused) {
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return;
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}
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if (this.player.paused) {
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this.player.play();
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} else if (this.player.ended) {
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this.player.restart();
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this.player.play();
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} else {
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this.player.pause();
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}
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});
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}
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// Disable right click
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if (this.player.supported.ui && this.player.config.disableContextMenu) {
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utils.on(
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this.player.media,
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'contextmenu',
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event => {
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event.preventDefault();
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},
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false,
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);
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}
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// Volume change
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utils.on(this.player.media, 'volumechange', () => {
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// Save to storage
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this.player.storage.set({ volume: this.player.volume, muted: this.player.muted });
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});
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// Speed change
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utils.on(this.player.media, 'ratechange', () => {
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// Update UI
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controls.updateSetting.call(this.player, 'speed');
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// Save to storage
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this.player.storage.set({ speed: this.player.speed });
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});
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// Quality change
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utils.on(this.player.media, 'qualitychange', () => {
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// Update UI
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controls.updateSetting.call(this.player, 'quality');
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// Save to storage
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this.player.storage.set({ quality: this.player.quality });
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});
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// Caption language change
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utils.on(this.player.media, 'languagechange', () => {
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// Update UI
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controls.updateSetting.call(this.player, 'captions');
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// Save to storage
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this.player.storage.set({ language: this.player.language });
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});
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// Captions toggle
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utils.on(this.player.media, 'captionsenabled captionsdisabled', () => {
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// Update UI
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controls.updateSetting.call(this.player, 'captions');
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// Save to storage
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this.player.storage.set({ captions: this.player.captions.active });
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});
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// Proxy events to container
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// Bubble up key events for Edge
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utils.on(this.player.media, this.player.config.events.concat([
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'keyup',
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'keydown',
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]).join(' '), event => {
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let detail = {};
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// Get error details from media
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if (event.type === 'error') {
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detail = this.player.media.error;
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}
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utils.dispatchEvent.call(this.player, this.player.elements.container, event.type, true, detail);
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});
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}
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// Listen for control events
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controls() {
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// IE doesn't support input event, so we fallback to change
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const inputEvent = browser.isIE ? 'change' : 'input';
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// Trigger custom and default handlers
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const proxy = (event, handlerKey, defaultHandler) => {
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const customHandler = this.player.config.listeners[handlerKey];
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// Execute custom handler
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if (utils.is.function(customHandler)) {
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customHandler.call(this.player, event);
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}
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// Only call default handler if not prevented in custom handler
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if (!event.defaultPrevented && utils.is.function(defaultHandler)) {
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defaultHandler.call(this.player, event);
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}
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};
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// Play/pause toggle
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utils.on(this.player.elements.buttons.play, 'click', event =>
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proxy(event, 'play', () => {
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this.player.togglePlay();
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}),
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);
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// Pause
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utils.on(this.player.elements.buttons.restart, 'click', event =>
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proxy(event, 'restart', () => {
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this.player.restart();
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}),
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);
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// Rewind
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utils.on(this.player.elements.buttons.rewind, 'click', event =>
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proxy(event, 'rewind', () => {
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this.player.rewind();
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}),
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);
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// Rewind
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utils.on(this.player.elements.buttons.forward, 'click', event =>
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proxy(event, 'forward', () => {
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this.player.forward();
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}),
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);
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// Mute toggle
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utils.on(this.player.elements.buttons.mute, 'click', event =>
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proxy(event, 'mute', () => {
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this.player.muted = !this.player.muted;
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}),
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);
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// Captions toggle
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utils.on(this.player.elements.buttons.captions, 'click', event =>
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proxy(event, 'captions', () => {
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this.player.toggleCaptions();
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}),
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);
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// Fullscreen toggle
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utils.on(this.player.elements.buttons.fullscreen, 'click', event =>
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proxy(event, 'fullscreen', () => {
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this.player.fullscreen.toggle();
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}),
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);
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// Picture-in-Picture
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utils.on(this.player.elements.buttons.pip, 'click', event =>
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proxy(event, 'pip', () => {
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this.player.pip = 'toggle';
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}),
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);
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// Airplay
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utils.on(this.player.elements.buttons.airplay, 'click', event =>
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proxy(event, 'airplay', () => {
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this.player.airplay();
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}),
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);
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// Settings menu
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utils.on(this.player.elements.buttons.settings, 'click', event => {
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controls.toggleMenu.call(this.player, event);
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});
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// Settings menu
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utils.on(this.player.elements.settings.form, 'click', event => {
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event.stopPropagation();
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// Settings menu items - use event delegation as items are added/removed
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if (utils.matches(event.target, this.player.config.selectors.inputs.language)) {
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proxy(event, 'language', () => {
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this.player.language = event.target.value;
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});
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} else if (utils.matches(event.target, this.player.config.selectors.inputs.quality)) {
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proxy(event, 'quality', () => {
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this.player.quality = event.target.value;
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});
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} else if (utils.matches(event.target, this.player.config.selectors.inputs.speed)) {
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proxy(event, 'speed', () => {
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this.player.speed = parseFloat(event.target.value);
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});
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} else {
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controls.showTab.call(this.player, event);
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}
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});
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// Seek
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utils.on(this.player.elements.inputs.seek, inputEvent, event =>
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proxy(event, 'seek', () => {
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this.player.currentTime = event.target.value / event.target.max * this.player.duration;
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}),
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);
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// Current time invert
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// Only if one time element is used for both currentTime and duration
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if (this.player.config.toggleInvert && !utils.is.element(this.player.elements.display.duration)) {
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utils.on(this.player.elements.display.currentTime, 'click', () => {
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// Do nothing if we're at the start
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if (this.player.currentTime === 0) {
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return;
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}
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this.player.config.invertTime = !this.player.config.invertTime;
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ui.timeUpdate.call(this.player);
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});
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}
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// Volume
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utils.on(this.player.elements.inputs.volume, inputEvent, event =>
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proxy(event, 'volume', () => {
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this.player.volume = event.target.value;
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}),
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);
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// Polyfill for lower fill in <input type="range"> for webkit
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if (browser.isWebkit) {
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utils.on(utils.getElements.call(this.player, 'input[type="range"]'), 'input', event => {
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controls.updateRangeFill.call(this.player, event.target);
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});
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}
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// Seek tooltip
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utils.on(this.player.elements.progress, 'mouseenter mouseleave mousemove', event => controls.updateSeekTooltip.call(this.player, event));
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// Toggle controls visibility based on mouse movement
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if (this.player.config.hideControls) {
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// Watch for cursor over controls so they don't hide when trying to interact
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utils.on(this.player.elements.controls, 'mouseenter mouseleave', event => {
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this.player.elements.controls.hover = event.type === 'mouseenter';
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});
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// Watch for cursor over controls so they don't hide when trying to interact
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utils.on(this.player.elements.controls, 'mousedown mouseup touchstart touchend touchcancel', event => {
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this.player.elements.controls.pressed = [
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'mousedown',
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'touchstart',
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].includes(event.type);
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});
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// Focus in/out on controls
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utils.on(this.player.elements.controls, 'focusin focusout', event => {
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this.player.toggleControls(event);
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});
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}
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// Mouse wheel for volume
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utils.on(
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this.player.elements.inputs.volume,
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'wheel',
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event =>
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proxy(event, 'volume', () => {
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// Detect "natural" scroll - suppored on OS X Safari only
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// Other browsers on OS X will be inverted until support improves
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const inverted = event.webkitDirectionInvertedFromDevice;
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const step = 1 / 50;
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let direction = 0;
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// Scroll down (or up on natural) to decrease
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if (event.deltaY < 0 || event.deltaX > 0) {
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if (inverted) {
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this.player.decreaseVolume(step);
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direction = -1;
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} else {
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this.player.increaseVolume(step);
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direction = 1;
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}
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}
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// Scroll up (or down on natural) to increase
|
|
if (event.deltaY > 0 || event.deltaX < 0) {
|
|
if (inverted) {
|
|
this.player.increaseVolume(step);
|
|
direction = 1;
|
|
} else {
|
|
this.player.decreaseVolume(step);
|
|
direction = -1;
|
|
}
|
|
}
|
|
|
|
// Don't break page scrolling at max and min
|
|
if ((direction === 1 && this.player.media.volume < 1) || (direction === -1 && this.player.media.volume > 0)) {
|
|
event.preventDefault();
|
|
}
|
|
}),
|
|
false,
|
|
);
|
|
}
|
|
|
|
// Reset on destroy
|
|
clear() {
|
|
this.global(false);
|
|
}
|
|
}
|
|
|
|
export default Listeners;
|