/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
goog.provide('shaka.ui.CastButton');
goog.require('shaka.cast.CastProxy');
goog.require('shaka.ui.Controls');
goog.require('shaka.ui.Element');
goog.require('shaka.ui.Enums');
goog.require('shaka.ui.Locales');
goog.require('shaka.ui.Localization');
goog.require('shaka.ui.OverflowMenu');
goog.require('shaka.ui.Utils');
goog.require('shaka.util.Dom');
goog.require('shaka.util.Error');
goog.require('shaka.util.FakeEvent');
goog.requireType('shaka.cast.CastProxy');
goog.requireType('shaka.ui.Controls');
/**
* @extends {shaka.ui.Element}
* @final
* @export
*/
shaka.ui.CastButton = class extends shaka.ui.Element {
/**
* @param {!HTMLElement} parent
* @param {!shaka.ui.Controls} controls
*/
constructor(parent, controls) {
super(parent, controls);
/** @private {shaka.cast.CastProxy} */
this.castProxy_ = this.controls.getCastProxy();
/** @private {!HTMLButtonElement} */
this.castButton_ = shaka.util.Dom.createButton();
this.castButton_.classList.add('shaka-cast-button');
this.castButton_.classList.add('shaka-tooltip');
this.castButton_.ariaPressed = 'false';
/** @private {!HTMLElement} */
this.castIcon_ = shaka.util.Dom.createHTMLElement('i');
this.castIcon_.classList.add('material-icons-round');
this.castIcon_.textContent = shaka.ui.Enums.MaterialDesignIcons.CAST;
this.castButton_.appendChild(this.castIcon_);
const label = shaka.util.Dom.createHTMLElement('label');
label.classList.add('shaka-overflow-button-label');
label.classList.add('shaka-overflow-menu-only');
this.castNameSpan_ = shaka.util.Dom.createHTMLElement('span');
label.appendChild(this.castNameSpan_);
this.castCurrentSelectionSpan_ =
shaka.util.Dom.createHTMLElement('span');
this.castCurrentSelectionSpan_.classList.add(
'shaka-current-selection-span');
label.appendChild(this.castCurrentSelectionSpan_);
this.castButton_.appendChild(label);
this.parent.appendChild(this.castButton_);
// Setup strings in the correct language
this.updateLocalizedStrings_();
// Setup button display and state according to the current cast status
this.onCastStatusChange_();
this.eventManager.listen(
this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
this.updateLocalizedStrings_();
});
this.eventManager.listen(
this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
this.updateLocalizedStrings_();
});
this.eventManager.listen(this.castButton_, 'click', () => {
this.onCastClick_();
});
this.eventManager.listen(this.controls, 'caststatuschanged', () => {
this.onCastStatusChange_();
});
}
/** @private */
async onCastClick_() {
if (this.castProxy_.isCasting()) {
this.castProxy_.suggestDisconnect();
} else {
try {
this.castButton_.disabled = true;
await this.castProxy_.cast();
this.castButton_.disabled = false;
} catch (error) {
this.castButton_.disabled = false;
if (error.code != shaka.util.Error.Code.CAST_CANCELED_BY_USER) {
this.controls.dispatchEvent(new shaka.util.FakeEvent(
'error', (new Map()).set('detail', error)));
}
}
}
}
/**
* @private
*/
onCastStatusChange_() {
const canCast = this.castProxy_.canCast() && this.controls.isCastAllowed();
const isCasting = this.castProxy_.isCasting();
const materialDesignIcons = shaka.ui.Enums.MaterialDesignIcons;
shaka.ui.Utils.setDisplay(this.castButton_, canCast);
this.castIcon_.textContent = isCasting ?
materialDesignIcons.EXIT_CAST :
materialDesignIcons.CAST;
// Aria-pressed set to true when casting, set to false otherwise.
if (canCast) {
if (isCasting) {
this.castButton_.ariaPressed = 'true';
} else {
this.castButton_.ariaPressed = 'false';
}
}
this.setCurrentCastSelection_();
}
/**
* @private
*/
setCurrentCastSelection_() {
if (this.castProxy_.isCasting()) {
this.castCurrentSelectionSpan_.textContent =
this.castProxy_.receiverName();
} else {
this.castCurrentSelectionSpan_.textContent =
this.localization.resolve(shaka.ui.Locales.Ids.OFF);
}
}
/**
* @private
*/
updateLocalizedStrings_() {
const LocIds = shaka.ui.Locales.Ids;
this.castButton_.ariaLabel = this.localization.resolve(LocIds.CAST);
this.castNameSpan_.textContent =
this.localization.resolve(LocIds.CAST);
// If we're not casting, string "not casting" will be displayed,
// which needs localization.
this.setCurrentCastSelection_();
}
};
/**
* @implements {shaka.extern.IUIElement.Factory}
* @final
*/
shaka.ui.CastButton.Factory = class {
/** @override */
create(rootElement, controls) {
return new shaka.ui.CastButton(rootElement, controls);
}
};
shaka.ui.OverflowMenu.registerElement(
'cast', new shaka.ui.CastButton.Factory());
shaka.ui.Controls.registerElement(
'cast', new shaka.ui.CastButton.Factory());