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+// ==========================================================================
+// Plyr Event Listeners
+// ==========================================================================
+
+import support from './support';
+import utils from './utils';
+import controls from './controls';
+import fullscreen from './fullscreen';
+import storage from './storage';
+import ui from './ui';
+
+const listeners = {
+ // Listen for media events
+ media() {
+ // Time change on media
+ utils.on(this.media, 'timeupdate seeking', event => ui.timeUpdate.call(this, event));
+
+ // Display duration
+ utils.on(this.media, 'durationchange loadedmetadata', event => ui.displayDuration.call(this, event));
+
+ // Handle the media finishing
+ utils.on(this.media, 'ended', () => {
+ // Show poster on end
+ if (this.type === 'video' && this.config.showPosterOnEnd) {
+ // Restart
+ this.restart();
+
+ // Re-load media
+ this.media.load();
+ }
+ });
+
+ // Check for buffer progress
+ utils.on(this.media, 'progress playing', event => ui.updateProgress.call(this, event));
+
+ // Handle native mute
+ utils.on(this.media, 'volumechange', event => ui.updateVolume.call(this, event));
+
+ // Handle native play/pause
+ utils.on(this.media, 'play pause ended', event => ui.checkPlaying.call(this, event));
+
+ // Loading
+ utils.on(this.media, 'waiting canplay seeked', event => ui.checkLoading.call(this, event));
+
+ // Click video
+ if (this.supported.ui && this.config.clickToPlay && this.type !== 'audio') {
+ // Re-fetch the wrapper
+ const wrapper = utils.getElement.call(this, `.${this.config.classNames.video}`);
+
+ // Bail if there's no wrapper (this should never happen)
+ if (!wrapper) {
+ return;
+ }
+
+ // Set cursor
+ wrapper.style.cursor = 'pointer';
+
+ // On click play, pause ore restart
+ utils.on(wrapper, 'click', () => {
+ // Touch devices will just show controls (if we're hiding controls)
+ if (this.config.hideControls && support.touch && !this.media.paused) {
+ return;
+ }
+
+ if (this.media.paused) {
+ this.play();
+ } else if (this.media.ended) {
+ this.restart();
+ this.play();
+ } else {
+ this.pause();
+ }
+ });
+ }
+
+ // Disable right click
+ if (this.config.disableContextMenu) {
+ utils.on(
+ this.media,
+ 'contextmenu',
+ event => {
+ event.preventDefault();
+ },
+ false
+ );
+ }
+
+ // Speed change
+ utils.on(this.media, 'ratechange', () => {
+ // Update UI
+ controls.updateSetting.call(this, 'speed');
+
+ // Save speed to localStorage
+ storage.set.call(this, {
+ speed: this.speed,
+ });
+ });
+
+ // Quality change
+ utils.on(this.media, 'qualitychange', () => {
+ // Update UI
+ controls.updateSetting.call(this, 'quality');
+
+ // Save speed to localStorage
+ storage.set.call(this, {
+ quality: this.quality,
+ });
+ });
+
+ // Caption language change
+ utils.on(this.media, 'captionchange', () => {
+ // Save speed to localStorage
+ storage.set.call(this, {
+ language: this.captions.language,
+ });
+ });
+
+ // Captions toggle
+ utils.on(this.media, 'captionsenabled captionsdisabled', () => {
+ // Update UI
+ controls.updateSetting.call(this, 'captions');
+
+ // Save speed to localStorage
+ storage.set.call(this, {
+ captions: this.captions.enabled,
+ });
+ });
+
+ // Proxy events to container
+ // Bubble up key events for Edge
+ utils.on(this.media, this.config.events.concat(['keyup', 'keydown']).join(' '), event => {
+ utils.dispatchEvent.call(this, this.elements.container, event.type, true);
+ });
+ },
+
+ // Listen for control events
+ controls() {
+ // IE doesn't support input event, so we fallback to change
+ const inputEvent = this.browser.isIE ? 'change' : 'input';
+ let last = null;
+
+ // Click play/pause helper
+ const togglePlay = () => {
+ const play = this.togglePlay();
+
+ // Determine which buttons
+ const target = this.elements.buttons[play ? 'pause' : 'play'];
+
+ // Transfer focus
+ if (utils.is.htmlElement(target)) {
+ target.focus();
+ }
+ };
+
+ // Get the key code for an event
+ function getKeyCode(event) {
+ return event.keyCode ? event.keyCode : event.which;
+ }
+
+ function handleKey(event) {
+ const code = getKeyCode(event);
+ const pressed = event.type === 'keydown';
+ const held = pressed && code === last;
+
+ // If the event is bubbled from the media element
+ // Firefox doesn't get the keycode for whatever reason
+ if (!utils.is.number(code)) {
+ return;
+ }
+
+ // Seek by the number keys
+ function seekByKey() {
+ // Divide the max duration into 10th's and times by the number value
+ this.currentTime = this.duration / 10 * (code - 48);
+ }
+
+ // Handle the key on keydown
+ // Reset on keyup
+ if (pressed) {
+ // Which keycodes should we prevent default
+ const preventDefault = [
+ 48,
+ 49,
+ 50,
+ 51,
+ 52,
+ 53,
+ 54,
+ 56,
+ 57,
+ 32,
+ 75,
+ 38,
+ 40,
+ 77,
+ 39,
+ 37,
+ 70,
+ 67,
+ 73,
+ 76,
+ 79,
+ ];
+ const checkFocus = [38, 40];
+
+ if (checkFocus.includes(code)) {
+ const focused = utils.getFocusElement();
+
+ if (utils.is.htmlElement(focused) && utils.getFocusElement().type === 'radio') {
+ return;
+ }
+ }
+
+ // If the code is found prevent default (e.g. prevent scrolling for arrows)
+ if (preventDefault.includes(code)) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
+
+ switch (code) {
+ case 48:
+ case 49:
+ case 50:
+ case 51:
+ case 52:
+ case 53:
+ case 54:
+ case 55:
+ case 56:
+ case 57:
+ // 0-9
+ if (!held) {
+ seekByKey();
+ }
+ break;
+
+ case 32:
+ case 75:
+ // Space and K key
+ if (!held) {
+ togglePlay();
+ }
+ break;
+
+ case 38:
+ // Arrow up
+ this.increaseVolume(0.1);
+ break;
+
+ case 40:
+ // Arrow down
+ this.decreaseVolume(0.1);
+ break;
+
+ case 77:
+ // M key
+ if (!held) {
+ this.toggleMute();
+ }
+ break;
+
+ case 39:
+ // Arrow forward
+ this.forward();
+ break;
+
+ case 37:
+ // Arrow back
+ this.rewind();
+ break;
+
+ case 70:
+ // F key
+ this.toggleFullscreen();
+ break;
+
+ case 67:
+ // C key
+ if (!held) {
+ this.toggleCaptions();
+ }
+ break;
+
+ case 73:
+ this.setLoop('start');
+ break;
+
+ case 76:
+ this.setLoop();
+ break;
+
+ case 79:
+ this.setLoop('end');
+ break;
+
+ default:
+ break;
+ }
+
+ // Escape is handle natively when in full screen
+ // So we only need to worry about non native
+ if (!fullscreen.enabled && this.fullscreen.active && code === 27) {
+ this.toggleFullscreen();
+ }
+
+ // Store last code for next cycle
+ last = code;
+ } else {
+ last = null;
+ }
+ }
+
+ // Keyboard shortcuts
+ if (this.config.keyboard.focused) {
+ // Handle global presses
+ if (this.config.keyboard.global) {
+ utils.on(
+ window,
+ 'keydown keyup',
+ event => {
+ const code = getKeyCode(event);
+ const focused = utils.getFocusElement();
+ const allowed = [48, 49, 50, 51, 52, 53, 54, 56, 57, 75, 77, 70, 67, 73, 76, 79];
+
+ // Only handle global key press if key is in the allowed keys
+ // and if the focused element is not editable (e.g. text input)
+ // and any that accept key input http://webaim.org/techniques/keyboard/
+ if (
+ allowed.includes(code) &&
+ (!utils.is.htmlElement(focused) || !utils.matches(focused, this.config.selectors.editable))
+ ) {
+ handleKey(event);
+ }
+ },
+ false
+ );
+ }
+
+ // Handle presses on focused
+ utils.on(this.elements.container, 'keydown keyup', handleKey, false);
+ }
+
+ // Detect tab focus
+ // Remove class on blur/focusout
+ utils.on(this.elements.container, 'focusout', event => {
+ utils.toggleClass(event.target, this.config.classNames.tabFocus, false);
+ });
+
+ // Add classname to tabbed elements
+ utils.on(this.elements.container, 'keydown', event => {
+ if (event.keyCode !== 9) {
+ return;
+ }
+
+ // Delay the adding of classname until the focus has changed
+ // This event fires before the focusin event
+ window.setTimeout(() => {
+ utils.toggleClass(utils.getFocusElement(), this.config.classNames.tabFocus, true);
+ }, 0);
+ });
+
+ // Trigger custom and default handlers
+ const handlerProxy = (event, customHandler, defaultHandler) => {
+ if (utils.is.function(customHandler)) {
+ customHandler.call(this, event);
+ }
+ if (utils.is.function(defaultHandler)) {
+ defaultHandler.call(this, event);
+ }
+ };
+
+ // Play
+ utils.proxy(this.elements.buttons.play, 'click', this.config.listeners.play, togglePlay);
+ utils.proxy(this.elements.buttons.playLarge, 'click', this.config.listeners.play, togglePlay);
+
+ // Pause
+ utils.proxy(this.elements.buttons.pause, 'click', this.config.listeners.pause, togglePlay);
+
+ // Pause
+ utils.proxy(this.elements.buttons.restart, 'click', this.config.listeners.restart, () => {
+ this.restart();
+ });
+
+ // Rewind
+ utils.proxy(this.elements.buttons.rewind, 'click', this.config.listeners.rewind, () => {
+ this.rewind();
+ });
+
+ // Rewind
+ utils.proxy(this.elements.buttons.forward, 'click', this.config.listeners.forward, () => {
+ this.forward();
+ });
+
+ // Mute
+ utils.proxy(this.elements.buttons.mute, 'click', this.config.listeners.mute, () => {
+ this.toggleMute();
+ });
+
+ // Captions
+ utils.proxy(this.elements.buttons.captions, 'click', this.config.listeners.captions, () => {
+ this.toggleCaptions();
+ });
+
+ // Fullscreen
+ utils.proxy(this.elements.buttons.fullscreen, 'click', this.config.listeners.fullscreen, () => {
+ this.toggleFullscreen();
+ });
+
+ // Picture-in-Picture
+ utils.proxy(this.elements.buttons.pip, 'click', this.config.listeners.pip, () => {
+ this.togglePictureInPicture();
+ });
+
+ // Airplay
+ utils.proxy(this.elements.buttons.airplay, 'click', this.config.listeners.airplay, () => {
+ this.airPlay();
+ });
+
+ // Settings menu
+ utils.on(this.elements.buttons.settings, 'click', event => {
+ controls.toggleMenu.call(this, event);
+ });
+
+ // Click anywhere closes menu
+ utils.on(document.documentElement, 'click', event => {
+ controls.toggleMenu.call(this, event);
+ });
+
+ // Settings menu
+ utils.on(this.elements.settings.form, 'click', event => {
+ // Show tab in menu
+ controls.showTab.call(this, event);
+
+ // Settings menu items - use event delegation as items are added/removed
+ // Settings - Language
+ if (utils.matches(event.target, this.config.selectors.inputs.language)) {
+ handlerProxy.call(this, event, this.config.listeners.language, () => {
+ this.toggleCaptions(true);
+ this.language = event.target.value.toLowerCase();
+ });
+ } else if (utils.matches(event.target, this.config.selectors.inputs.quality)) {
+ // Settings - Quality
+ handlerProxy.call(this, event, this.config.listeners.quality, () => {
+ this.quality = event.target.value;
+ });
+ } else if (utils.matches(event.target, this.config.selectors.inputs.speed)) {
+ // Settings - Speed
+ handlerProxy.call(this, event, this.config.listeners.speed, () => {
+ this.speed = parseFloat(event.target.value);
+ });
+ } else if (utils.matches(event.target, this.config.selectors.buttons.loop)) {
+ // Settings - Looping
+ // TODO: use toggle buttons
+ handlerProxy.call(this, event, this.config.listeners.loop, () => {
+ // TODO: This should be done in the method itself I think
+ // var value = event.target.getAttribute('data-loop__value') || event.target.getAttribute('data-loop__type');
+
+ this.warn('Set loop');
+ });
+ }
+ });
+
+ // Seek
+ utils.proxy(this.elements.inputs.seek, inputEvent, this.config.listeners.seek, event => {
+ this.currentTime = event.target.value / event.target.max * this.duration;
+ });
+
+ // Volume
+ utils.proxy(this.elements.inputs.volume, inputEvent, this.config.listeners.volume, event => {
+ this.setVolume(event.target.value);
+ });
+
+ // Polyfill for lower fill in <input type="range"> for webkit
+ if (this.browser.isWebkit) {
+ utils.on(utils.getElements.call(this, 'input[type="range"]'), 'input', event => {
+ controls.updateRangeFill.call(this, event.target);
+ });
+ }
+
+ // Seek tooltip
+ utils.on(this.elements.progress, 'mouseenter mouseleave mousemove', event =>
+ ui.updateSeekTooltip.call(this, event)
+ );
+
+ // Toggle controls visibility based on mouse movement
+ if (this.config.hideControls) {
+ // Toggle controls on mouse events and entering fullscreen
+ utils.on(
+ this.elements.container,
+ 'mouseenter mouseleave mousemove touchstart touchend touchcancel touchmove enterfullscreen',
+ event => {
+ this.toggleControls(event);
+ }
+ );
+
+ // Watch for cursor over controls so they don't hide when trying to interact
+ utils.on(this.elements.controls, 'mouseenter mouseleave', event => {
+ this.elements.controls.hover = event.type === 'mouseenter';
+ });
+
+ // Watch for cursor over controls so they don't hide when trying to interact
+ utils.on(this.elements.controls, 'mousedown mouseup touchstart touchend touchcancel', event => {
+ this.elements.controls.pressed = ['mousedown', 'touchstart'].includes(event.type);
+ });
+
+ // Focus in/out on controls
+ // TODO: Check we need capture here
+ utils.on(
+ this.elements.controls,
+ 'focus blur',
+ event => {
+ this.toggleControls(event);
+ },
+ true
+ );
+ }
+
+ // Mouse wheel for volume
+ utils.proxy(
+ this.elements.inputs.volume,
+ 'wheel',
+ this.config.listeners.volume,
+ event => {
+ // Detect "natural" scroll - suppored on OS X Safari only
+ // Other browsers on OS X will be inverted until support improves
+ const inverted = event.webkitDirectionInvertedFromDevice;
+ const step = 1 / 50;
+ let direction = 0;
+
+ // Scroll down (or up on natural) to decrease
+ if (event.deltaY < 0 || event.deltaX > 0) {
+ if (inverted) {
+ this.decreaseVolume(step);
+ direction = -1;
+ } else {
+ this.increaseVolume(step);
+ direction = 1;
+ }
+ }
+
+ // Scroll up (or down on natural) to increase
+ if (event.deltaY > 0 || event.deltaX < 0) {
+ if (inverted) {
+ this.increaseVolume(step);
+ direction = 1;
+ } else {
+ this.decreaseVolume(step);
+ direction = -1;
+ }
+ }
+
+ // Don't break page scrolling at max and min
+ if ((direction === 1 && this.media.volume < 1) || (direction === -1 && this.media.volume > 0)) {
+ event.preventDefault();
+ }
+ },
+ false
+ );
+
+ // Handle user exiting fullscreen by escaping etc
+ if (fullscreen.enabled) {
+ utils.on(document, fullscreen.eventType, event => {
+ this.toggleFullscreen(event);
+ });
+ }
+ },
+};
+
+export default listeners;