mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-14 15:56:38 +03:00
Álvaro Velad Galván
305 lines
8.7 KiB
JavaScript
305 lines
8.7 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.StatisticsButton');
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goog.require('shaka.log');
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goog.require('shaka.ui.ContextMenu');
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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.ui.OverflowMenu');
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goog.require('shaka.ui.Utils');
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goog.require('shaka.util.Dom');
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goog.require('shaka.util.Timer');
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goog.requireType('shaka.ui.Controls');
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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.StatisticsButton = 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('shaka-statistics-button');
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/** @private {!HTMLElement} */
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this.icon_ = shaka.util.Dom.createHTMLElement('i');
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this.icon_.classList.add('material-icons-round');
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this.icon_.textContent =
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shaka.ui.Enums.MaterialDesignIcons.STATISTICS_ON;
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this.button_.appendChild(this.icon_);
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const label = shaka.util.Dom.createHTMLElement('label');
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label.classList.add('shaka-overflow-button-label');
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/** @private {!HTMLElement} */
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this.nameSpan_ = shaka.util.Dom.createHTMLElement('span');
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label.appendChild(this.nameSpan_);
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/** @private {!HTMLElement} */
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this.stateSpan_ = shaka.util.Dom.createHTMLElement('span');
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this.stateSpan_.classList.add('shaka-current-selection-span');
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label.appendChild(this.stateSpan_);
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this.button_.appendChild(label);
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this.parent.appendChild(this.button_);
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/** @private {!HTMLElement} */
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this.container_ = shaka.util.Dom.createHTMLElement('div');
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this.container_.classList.add('shaka-no-propagation');
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this.container_.classList.add('shaka-show-controls-on-mouse-over');
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this.container_.classList.add('shaka-statistics-container');
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this.container_.classList.add('shaka-hidden');
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const controlsContainer = this.controls.getControlsContainer();
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controlsContainer.appendChild(this.container_);
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/** @private {!Array} */
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this.statisticsList_ = [];
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/** @private {!Array} */
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this.skippedStats_ = ['stateHistory', 'switchHistory'];
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/** @private {!Object.<string, number>} */
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this.currentStats_ = this.player.getStats();
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/** @private {!Object.<string, HTMLElement>} */
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this.displayedElements_ = {};
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const parsePx = (name) => {
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return this.currentStats_[name] + ' (px)';
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};
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const parsePercent = (name) => {
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return this.currentStats_[name] + ' (%)';
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};
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const parseFrames = (name) => {
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return this.currentStats_[name] + ' (frames)';
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};
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const parseSeconds = (name) => {
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return this.currentStats_[name].toFixed(2) + ' (s)';
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};
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const parseBits = (name) => {
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return Math.round(this.currentStats_[name] / 1000) + ' (kbits/s)';
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};
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const parseTime = (name) => {
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return shaka.ui.Utils.buildTimeString(
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this.currentStats_[name], false) + ' (m)';
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};
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const parseGaps = (name) => {
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return this.currentStats_[name] + ' (gaps)';
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};
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const parseStalls = (name) => {
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return this.currentStats_[name] + ' (stalls)';
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};
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const parseErrors = (name) => {
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return this.currentStats_[name] + ' (errors)';
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};
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const parsePeriods = (name) => {
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return this.currentStats_[name] + ' (periods)';
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};
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const parseBytes = (name) => {
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const bytes = parseInt(this.currentStats_[name], 10);
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if (bytes > 1e6) {
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return (bytes / 1e6).toFixed(2) + 'MB';
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} else if (bytes > 1e3) {
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return (bytes / 1e3).toFixed(2) + 'KB';
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} else {
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return bytes + 'B';
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}
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};
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/** @private {!Object.<string, function(string):string>} */
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this.parseFrom_ = {
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'width': parsePx,
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'height': parsePx,
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'completionPercent': parsePercent,
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'bufferingTime': parseSeconds,
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'drmTimeSeconds': parseSeconds,
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'licenseTime': parseSeconds,
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'liveLatency': parseSeconds,
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'loadLatency': parseSeconds,
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'manifestTimeSeconds': parseSeconds,
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'estimatedBandwidth': parseBits,
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'streamBandwidth': parseBits,
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'maxSegmentDuration': parseTime,
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'pauseTime': parseTime,
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'playTime': parseTime,
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'corruptedFrames': parseFrames,
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'decodedFrames': parseFrames,
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'droppedFrames': parseFrames,
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'stallsDetected': parseStalls,
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'gapsJumped': parseGaps,
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'manifestSizeBytes': parseBytes,
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'bytesDownloaded': parseBytes,
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'nonFatalErrorCount': parseErrors,
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'manifestPeriodCount': parsePeriods,
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'manifestGapCount': parseGaps,
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};
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/** @private {shaka.util.Timer} */
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this.timer_ = new shaka.util.Timer(() => {
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this.onTimerTick_();
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});
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this.updateLocalizedStrings_();
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this.loadContainer_();
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this.eventManager.listen(
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this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
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this.updateLocalizedStrings_();
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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.updateLocalizedStrings_();
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});
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this.eventManager.listen(this.button_, 'click', () => {
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this.onClick_();
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this.updateLocalizedStrings_();
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});
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}
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/** @private */
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onClick_() {
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shaka.ui.Utils.setDisplay(this.parent, false);
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if (this.container_.classList.contains('shaka-hidden')) {
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this.icon_.textContent =
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shaka.ui.Enums.MaterialDesignIcons.STATISTICS_OFF;
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this.timer_.tickEvery(0.1);
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shaka.ui.Utils.setDisplay(this.container_, true);
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} else {
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this.icon_.textContent =
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shaka.ui.Enums.MaterialDesignIcons.STATISTICS_ON;
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this.timer_.stop();
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shaka.ui.Utils.setDisplay(this.container_, false);
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}
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}
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/** @private */
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updateLocalizedStrings_() {
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const LocIds = shaka.ui.Locales.Ids;
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this.nameSpan_.textContent =
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this.localization.resolve(LocIds.STATISTICS);
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this.button_.ariaLabel = this.localization.resolve(LocIds.STATISTICS);
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const labelText = this.container_.classList.contains('shaka-hidden') ?
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LocIds.OFF : LocIds.ON;
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this.stateSpan_.textContent = this.localization.resolve(labelText);
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}
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/** @private */
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generateComponent_(name) {
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const section = shaka.util.Dom.createHTMLElement('div');
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const label = shaka.util.Dom.createHTMLElement('label');
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label.textContent = name + ':';
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section.appendChild(label);
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const value = shaka.util.Dom.createHTMLElement('span');
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value.textContent = this.parseFrom_[name](name);
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section.appendChild(value);
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this.displayedElements_[name] = value;
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return section;
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}
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/** @private */
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loadContainer_() {
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const closeElement = shaka.util.Dom.createHTMLElement('div');
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closeElement.classList.add('shaka-no-propagation');
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closeElement.classList.add('shaka-statistics-close');
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const icon = shaka.util.Dom.createHTMLElement('i');
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icon.classList.add('material-icons-round');
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icon.textContent =
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shaka.ui.Enums.MaterialDesignIcons.CLOSE;
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closeElement.appendChild(icon);
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this.container_.appendChild(closeElement);
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this.eventManager.listen(icon, 'click', () => {
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this.onClick_();
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});
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for (const name of this.controls.getConfig().statisticsList) {
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if (name in this.currentStats_ && !this.skippedStats_.includes(name)) {
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const element = this.generateComponent_(name);
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this.container_.appendChild(element);
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this.statisticsList_.push(name);
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} else {
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shaka.log.alwaysWarn('Unrecognized statistic element:', name);
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}
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}
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}
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/** @private */
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onTimerTick_() {
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this.currentStats_ = this.player.getStats();
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for (const name of this.statisticsList_) {
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const element = this.displayedElements_[name];
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element.textContent = this.parseFrom_[name](name);
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if (element && element.parentElement) {
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shaka.ui.Utils.setDisplay(element.parentElement,
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!isNaN(this.currentStats_[name]));
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}
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}
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}
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/** @override */
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release() {
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this.timer_.stop();
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this.timer_ = null;
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super.release();
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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.StatisticsButton.Factory = class {
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/** @override */
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create(rootElement, controls) {
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return new shaka.ui.StatisticsButton(rootElement, controls);
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}
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};
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shaka.ui.OverflowMenu.registerElement(
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'statistics', new shaka.ui.StatisticsButton.Factory());
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shaka.ui.ContextMenu.registerElement(
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'statistics', new shaka.ui.StatisticsButton.Factory());
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