mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-14 15:56:38 +03:00
Nico
d5769eeda4
Adds configurable tooltips that display the function of buttons in the control panel. Closes: #3269
104 lines
2.7 KiB
JavaScript
104 lines
2.7 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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goog.provide('shaka.ui.FastForwardButton');
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goog.require('shaka.ui.Controls');
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goog.require('shaka.ui.Element');
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goog.require('shaka.ui.Enums');
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goog.require('shaka.ui.Locales');
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goog.require('shaka.ui.Localization');
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goog.require('shaka.util.Dom');
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/**
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* @extends {shaka.ui.Element}
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* @final
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* @export
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*/
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shaka.ui.FastForwardButton = class extends shaka.ui.Element {
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/**
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* @param {!HTMLElement} parent
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* @param {!shaka.ui.Controls} controls
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*/
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constructor(parent, controls) {
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super(parent, controls);
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/** @private {!HTMLButtonElement} */
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this.button_ = shaka.util.Dom.createButton();
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this.button_.classList.add('material-icons-round');
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this.button_.classList.add('shaka-fast-forward-button');
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this.button_.classList.add('shaka-tooltip-status');
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this.button_.setAttribute('shaka-status', '1x');
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this.button_.textContent =
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shaka.ui.Enums.MaterialDesignIcons.FAST_FORWARD;
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this.parent.appendChild(this.button_);
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this.updateAriaLabel_();
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/** @private {!Array.<number>} */
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this.fastForwardRates_ = this.controls.getConfig().fastForwardRates;
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this.eventManager.listen(
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this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
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this.updateAriaLabel_();
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});
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this.eventManager.listen(
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this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
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this.updateAriaLabel_();
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});
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this.eventManager.listen(this.button_, 'click', () => {
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this.fastForward_();
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});
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}
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/**
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* @private
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*/
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updateAriaLabel_() {
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this.button_.ariaLabel =
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this.localization.resolve(shaka.ui.Locales.Ids.FAST_FORWARD);
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}
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/**
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* Cycles trick play rate between the selected fast forward rates.
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* @private
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*/
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fastForward_() {
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if (!this.video.duration) {
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return;
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}
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const trickPlayRate = this.player.getPlaybackRate();
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const newRateIndex = this.fastForwardRates_.indexOf(trickPlayRate) + 1;
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// When the button is clicked, the next rate in this.fastForwardRates_ is
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// selected. If no more rates are available, the first one is set.
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const newRate = (newRateIndex != this.fastForwardRates_.length) ?
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this.fastForwardRates_[newRateIndex] : this.fastForwardRates_[0];
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this.player.trickPlay(newRate);
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this.button_.setAttribute('shaka-status', newRate + 'x');
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}
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};
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/**
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* @implements {shaka.extern.IUIElement.Factory}
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* @final
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*/
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shaka.ui.FastForwardButton.Factory = class {
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/** @override */
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create(rootElement, controls) {
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return new shaka.ui.FastForwardButton(rootElement, controls);
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}
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};
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shaka.ui.Controls.registerElement(
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'fast_forward', new shaka.ui.FastForwardButton.Factory());
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