Files
shaka-player/ui/mute_button.js
T
Joey Parrish c1d849bc9b Fix UI button types
The compiler is very picky about the use of the "disabled" property on
HTMLElement, since it is only defined on certain subclasses of that.
This adds a method to create a button with the correct type to satisfy
the compiler.

Issue #2528

Change-Id: I31cacd62a35acc87b245ab362dbab55d791cf34d
2020-04-28 21:40:53 +00:00

128 lines
3.3 KiB
JavaScript

/** @license
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
goog.provide('shaka.ui.MuteButton');
goog.require('shaka.ui.Element');
goog.require('shaka.ui.Enums');
goog.require('shaka.ui.Locales');
goog.require('shaka.ui.Localization');
goog.require('shaka.util.Dom');
/**
* @extends {shaka.ui.Element}
* @final
* @export
*/
shaka.ui.MuteButton = class extends shaka.ui.Element {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
*/
constructor(parent, controls) {
super(parent, controls);
/** @private {!HTMLButtonElement} */
this.button_ = shaka.util.Dom.createButton();
this.button_.classList.add('shaka-mute-button');
this.button_.classList.add('material-icons');
this.button_.textContent = shaka.ui.Enums.MaterialDesignIcons.MUTE;
this.parent.appendChild(this.button_);
this.updateAriaLabel_();
this.eventManager.listen(
this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
this.updateAriaLabel_();
});
this.eventManager.listen(
this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
this.updateAriaLabel_();
});
this.eventManager.listen(this.button_, 'click', () => {
if (this.ad) {
this.ad.setMuted(!this.ad.isMuted());
} else {
this.video.muted = !this.video.muted;
}
});
this.eventManager.listen(this.video, 'volumechange', () => {
this.updateAriaLabel_();
this.updateIcon_();
});
this.eventManager.listen(this.adManager,
shaka.ads.AdManager.AD_VOLUME_CHANGED, () => {
this.updateAriaLabel_();
this.updateIcon_();
});
this.eventManager.listen(this.adManager,
shaka.ads.AdManager.AD_MUTED, () => {
this.updateAriaLabel_();
this.updateIcon_();
});
this.eventManager.listen(this.adManager,
shaka.ads.AdManager.AD_STOPPED, () => {
// The base class also listens for this event and sets this.ad
// to null. This is a safeguard in case of a race condition as
// the label and icon code depends on this.ad being correctly
// updated at the time it runs.
this.ad = null;
this.updateAriaLabel_();
this.updateIcon_();
});
}
/**
* @private
*/
updateAriaLabel_() {
const LocIds = shaka.ui.Locales.Ids;
let label;
if (this.ad) {
label = this.ad.isMuted() ? LocIds.UNMUTE : LocIds.MUTE;
} else {
label = this.video.muted ? LocIds.UNMUTE : LocIds.MUTE;
}
this.button_.setAttribute(shaka.ui.Constants.ARIA_LABEL,
this.localization.resolve(label));
}
/**
* @private
*/
updateIcon_() {
const Icons = shaka.ui.Enums.MaterialDesignIcons;
let icon;
if (this.ad) {
icon = this.ad.isMuted() ? Icons.UNMUTE : Icons.MUTE;
} else {
icon = this.video.muted ? Icons.UNMUTE : Icons.MUTE;
}
this.button_.textContent = icon;
}
};
/**
* @implements {shaka.extern.IUIElement.Factory}
* @final
*/
shaka.ui.MuteButton.Factory = class {
/** @override */
create(rootElement, controls) {
return new shaka.ui.MuteButton(rootElement, controls);
}
};
shaka.ui.Controls.registerElement('mute', new shaka.ui.MuteButton.Factory());