371 lines
12 KiB
JavaScript
371 lines
12 KiB
JavaScript
import React, { Component } from 'react';
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import PropTypes from 'prop-types';
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import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import browser from 'browser-detect';
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import injectWbResizeEvent from '/imports/ui/components/presentation/resize-wrapper/component';
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import Button from '/imports/ui/components/button/component';
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import { HUNDRED_PERCENT, MAX_PERCENT, STEP } from '/imports/utils/slideCalcUtils';
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import { styles } from './styles.scss';
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import ZoomTool from './zoom-tool/component';
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import FullscreenButton from '../../video-provider/fullscreen-button/component';
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import Tooltip from '/imports/ui/components/tooltip/component';
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import KEY_CODES from '/imports/utils/keyCodes';
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const intlMessages = defineMessages({
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previousSlideLabel: {
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id: 'app.presentation.presentationToolbar.prevSlideLabel',
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description: 'Previous slide button label',
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},
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nextSlideLabel: {
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id: 'app.presentation.presentationToolbar.nextSlideLabel',
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description: 'Next slide button label',
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},
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goToSlide: {
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id: 'app.presentation.presentationToolbar.goToSlide',
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description: 'button for slide select',
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},
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selectLabel: {
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id: 'app.presentation.presentationToolbar.selectLabel',
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description: 'slide select label',
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},
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fitToWidth: {
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id: 'app.presentation.presentationToolbar.fitToWidth',
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description: 'button for fit to width',
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},
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fitToPage: {
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id: 'app.presentation.presentationToolbar.fitToPage',
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description: 'button label for fit to width',
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},
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presentationLabel: {
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id: 'app.presentationUploder.title',
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description: 'presentation area element label',
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},
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});
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class PresentationToolbar extends Component {
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static renderAriaLabelsDescs() {
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return (
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<div hidden>
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{/* Previous Slide button aria */}
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<div id="prevSlideLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.prevSlideLabel"
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description="Aria label for when switching to previous slide"
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defaultMessage="Previous slide"
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/>
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</div>
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<div id="prevSlideDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.prevSlideDesc"
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description="Aria description for when switching to previous slide"
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defaultMessage="Change the presentation to the previous slide"
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/>
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</div>
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{/* Next Slide button aria */}
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<div id="nextSlideLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.nextSlideLabel"
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description="Aria label for when switching to next slide"
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defaultMessage="Next slide"
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/>
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</div>
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<div id="nextSlideDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.nextSlideDesc"
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description="Aria description for when switching to next slide"
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defaultMessage="Change the presentation to the next slide"
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/>
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</div>
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{/* Skip Slide drop down aria */}
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<div id="skipSlideLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.skipSlideLabel"
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description="Aria label for when switching to a specific slide"
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defaultMessage="Skip slide"
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/>
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</div>
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<div id="skipSlideDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.skipSlideDesc"
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description="Aria description for when switching to a specific slide"
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defaultMessage="Change the presentation to a specific slide"
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/>
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</div>
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{/* Fit to width button aria */}
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<div id="fitWidthLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.fitWidthLabel"
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description="Aria description to display the whole width of the slide"
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defaultMessage="Fit to width"
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/>
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</div>
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<div id="fitWidthDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.fitWidthDesc"
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description="Aria description to display the whole width of the slide"
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defaultMessage="Display the whole width of the slide"
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/>
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</div>
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{/* Fit to screen button aria */}
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<div id="fitScreenLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.fitScreenLabel"
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description="Aria label to display the whole slide"
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defaultMessage="Fit to screen"
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/>
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</div>
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<div id="fitScreenDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.fitScreenDesc"
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description="Aria label to display the whole slide"
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defaultMessage="Display the whole slide"
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/>
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</div>
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{/* Zoom slider aria */}
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<div id="zoomLabel">
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<FormattedMessage
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id="app.presentation.presentationToolbar.zoomLabel"
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description="Aria label to zoom presentation"
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defaultMessage="Zoom"
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/>
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</div>
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<div id="zoomDesc">
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<FormattedMessage
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id="app.presentation.presentationToolbar.zoomDesc"
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description="Aria label to zoom presentation"
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defaultMessage="Change the zoom level of the presentation"
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/>
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</div>
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</div>
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);
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}
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constructor(props) {
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super(props);
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this.state = {
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sliderValue: 100,
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};
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this.handleValuesChange = this.handleValuesChange.bind(this);
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this.handleSkipToSlideChange = this.handleSkipToSlideChange.bind(this);
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this.change = this.change.bind(this);
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this.switchSlide = this.switchSlide.bind(this);
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this.setInt = 0;
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}
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componentDidMount() {
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document.addEventListener('keydown', this.switchSlide);
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}
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componentWillUnmount() {
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document.removeEventListener('keydown', this.switchSlide);
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}
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switchSlide(event) {
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const { target, which } = event;
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const isBody = target.nodeName === 'BODY';
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const { actions } = this.props;
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if (isBody) {
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if ([KEY_CODES.ARROW_LEFT].includes(which)) {
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actions.previousSlideHandler();
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}
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if ([KEY_CODES.ARROW_RIGHT].includes(which)) {
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actions.nextSlideHandler();
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}
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}
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}
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handleSkipToSlideChange(event) {
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const { actions } = this.props;
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const requestedSlideNum = Number.parseInt(event.target.value, 10);
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actions.skipToSlideHandler(requestedSlideNum);
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}
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handleValuesChange(event) {
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const { sliderValue } = this.state;
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this.setState(
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{ sliderValue: event.target.value },
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() => this.handleZoom(sliderValue),
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);
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}
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change(value) {
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const { zoomChanger } = this.props;
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zoomChanger(value);
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}
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renderSkipSlideOpts(numberOfSlides) {
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// Fill drop down menu with all the slides in presentation
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const { intl } = this.props;
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const optionList = [];
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for (let i = 1; i <= numberOfSlides; i += 1) {
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optionList.push((
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<option
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value={i}
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key={i}
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>
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{
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intl.formatMessage(intlMessages.goToSlide, { 0: i })
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}
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</option>));
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}
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return optionList;
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}
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render() {
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const {
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currentSlideNum,
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numberOfSlides,
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fitToWidthHandler,
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fitToWidth,
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actions,
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intl,
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zoom,
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isFullscreen,
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fullscreenRef,
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} = this.props;
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const BROWSER_RESULTS = browser();
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const isMobileBrowser = BROWSER_RESULTS.mobile
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|| BROWSER_RESULTS.os.includes('Android');
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const tooltipDistance = 35;
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return (
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<div id="presentationToolbarWrapper" className={styles.presentationToolbarWrapper}>
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{PresentationToolbar.renderAriaLabelsDescs()}
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{<div />}
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{
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<div className={styles.presentationSlideControls}>
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<Button
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role="button"
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aria-labelledby="prevSlideLabel"
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aria-describedby="prevSlideDesc"
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disabled={!(currentSlideNum > 1)}
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color="default"
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icon="left_arrow"
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size="md"
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onClick={actions.previousSlideHandler}
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label={intl.formatMessage(intlMessages.previousSlideLabel)}
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hideLabel
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className={styles.prevSlide}
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tooltipDistance={tooltipDistance}
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/>
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<Tooltip
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tooltipDistance={tooltipDistance}
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title={intl.formatMessage(intlMessages.selectLabel)}
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>
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<select
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role="button"
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/*
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<select> has an implicit role of listbox, no need to define
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role="listbox" explicitly
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*/
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id="skipSlide"
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aria-labelledby="skipSlideLabel"
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aria-describedby="skipSlideDesc"
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aria-live="polite"
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aria-relevant="all"
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value={currentSlideNum}
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onChange={this.handleSkipToSlideChange}
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className={styles.skipSlideSelect}
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>
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{this.renderSkipSlideOpts(numberOfSlides)}
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</select>
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</Tooltip>
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<Button
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role="button"
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aria-labelledby="nextSlideLabel"
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aria-describedby="nextSlideDesc"
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disabled={!(currentSlideNum < numberOfSlides)}
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color="default"
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icon="right_arrow"
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size="md"
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onClick={actions.nextSlideHandler}
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label={intl.formatMessage(intlMessages.nextSlideLabel)}
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hideLabel
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className={styles.skipSlide}
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tooltipDistance={tooltipDistance}
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/>
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</div>
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}
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{
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<div className={styles.presentationZoomControls}>
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{
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!isMobileBrowser
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? (
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<ZoomTool
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zoomValue={zoom}
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change={this.change}
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minBound={HUNDRED_PERCENT}
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maxBound={MAX_PERCENT}
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step={STEP}
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tooltipDistance={tooltipDistance}
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/>
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)
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: null
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}
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<Button
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role="button"
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aria-labelledby="fitWidthLabel"
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aria-describedby="fitWidthDesc"
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color="default"
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icon="fit_to_width"
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size="md"
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circle={false}
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onClick={fitToWidthHandler}
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label={fitToWidth
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? intl.formatMessage(intlMessages.fitToPage)
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: intl.formatMessage(intlMessages.fitToWidth)
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}
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hideLabel
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className={styles.skipSlide}
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tooltipDistance={tooltipDistance}
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/>
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{
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!isFullscreen
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&& (
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<FullscreenButton
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handleFullscreen={fullscreenRef}
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elementName={intl.formatMessage(intlMessages.presentationLabel)}
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tooltipDistance={tooltipDistance}
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dark
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/>
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)
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}
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</div>
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}
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</div>
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);
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}
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}
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PresentationToolbar.propTypes = {
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// Number of current slide being displayed
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currentSlideNum: PropTypes.number.isRequired,
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// Total number of slides in this presentation
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numberOfSlides: PropTypes.number.isRequired,
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// Actions required for the presenter toolbar
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actions: PropTypes.shape({
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nextSlideHandler: PropTypes.func.isRequired,
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previousSlideHandler: PropTypes.func.isRequired,
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skipToSlideHandler: PropTypes.func.isRequired,
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}).isRequired,
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intl: PropTypes.shape({
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formatMessage: PropTypes.func.isRequired,
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}).isRequired,
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zoomChanger: PropTypes.func.isRequired,
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fitToWidthHandler: PropTypes.func.isRequired,
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fitToWidth: PropTypes.bool.isRequired,
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fullscreenRef: PropTypes.func.isRequired,
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isFullscreen: PropTypes.bool.isRequired,
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zoom: PropTypes.number.isRequired,
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};
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export default injectWbResizeEvent(injectIntl(PresentationToolbar));
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