bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/presentation/presentation-toolbar/component.jsx
2018-04-11 13:05:30 -07:00

290 lines
9.3 KiB
JavaScript

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import injectWbResizeEvent from '/imports/ui/components/presentation/resize-wrapper/component';
import Button from '/imports/ui/components/button/component';
import { styles } from './styles.scss';
const intlMessages = defineMessages({
previousSlideLabel: {
id: 'app.presentation.presentationToolbar.prevSlideLabel',
description: 'Previous slide button label',
},
nextSlideLabel: {
id: 'app.presentation.presentationToolbar.nextSlideLabel',
description: 'Next slide button label',
},
goToSlide: {
id: 'app.presentation.presentationToolbar.goToSlide',
description: 'button for slide select',
},
});
class PresentationToolbar extends Component {
static renderAriaLabelsDescs() {
return (
<div hidden >
{/* Previous Slide button aria */}
<div id="prevSlideLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.prevSlideLabel"
description="Aria label for when switching to previous slide"
defaultMessage="Previous slide"
/>
</div>
<div id="prevSlideDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.prevSlideDesc"
description="Aria description for when switching to previous slide"
defaultMessage="Change the presentation to the previous slide"
/>
</div>
{/* Next Slide button aria */}
<div id="nextSlideLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.nextSlideLabel"
description="Aria label for when switching to next slide"
defaultMessage="Next slide"
/>
</div>
<div id="nextSlideDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.nextSlideDesc"
description="Aria description for when switching to next slide"
defaultMessage="Change the presentation to the next slide"
/>
</div>
{/* Skip Slide drop down aria */}
<div id="skipSlideLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.skipSlideLabel"
description="Aria label for when switching to a specific slide"
defaultMessage="Skip slide"
/>
</div>
<div id="skipSlideDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.skipSlideDesc"
description="Aria description for when switching to a specific slide"
defaultMessage="Change the presentation to a specific slide"
/>
</div>
{/* Fit to width button aria */}
<div id="fitWidthLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.fitWidthLabel"
description="Aria description to display the whole width of the slide"
defaultMessage="Fit to width"
/>
</div>
<div id="fitWidthDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.fitWidthDesc"
description="Aria description to display the whole width of the slide"
defaultMessage="Display the whole width of the slide"
/>
</div>
{/* Fit to screen button aria */}
<div id="fitScreenLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.fitScreenLabel"
description="Aria label to display the whole slide"
defaultMessage="Fit to screen"
/>
</div>
<div id="fitScreenDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.fitScreenDesc"
description="Aria label to display the whole slide"
defaultMessage="Display the whole slide"
/>
</div>
{/* Zoom slider aria */}
<div id="zoomLabel">
<FormattedMessage
id="app.presentation.presentationToolbar.zoomLabel"
description="Aria label to zoom presentation"
defaultMessage="Zoom"
/>
</div>
<div id="zoomDesc">
<FormattedMessage
id="app.presentation.presentationToolbar.zoomDesc"
description="Aria label to zoom presentation"
defaultMessage="Change the zoom level of the presentation"
/>
</div>
</div>
);
}
constructor(props) {
super(props);
this.state = { sliderValue: 100 };
this.handleValuesChange = this.handleValuesChange.bind(this);
this.handleSkipToSlideChange = this.handleSkipToSlideChange.bind(this);
}
handleSkipToSlideChange(event) {
const requestedSlideNum = parseInt(event.target.value, 10);
this.props.actions.skipToSlideHandler(requestedSlideNum);
}
handleValuesChange(event) {
this.setState({ sliderValue: event.target.value });
}
fitToWidthClickHandler() {
this.setState({
fitToWidthValue: 'not_implemented_yet',
});
}
fitToScreenClickHandler() {
this.setState({
fitToScreenValue: 'not_implemented_yet',
});
}
renderSkipSlideOpts(numberOfSlides) {
// Fill drop down menu with all the slides in presentation
const { intl } = this.props;
const optionList = [];
for (let i = 1; i <= numberOfSlides; i += 1) {
optionList.push((
<option
value={i}
key={i}
>
{
intl.formatMessage(intlMessages.goToSlide, { 0: i })
}
</option>));
}
return optionList;
}
render() {
const {
currentSlideNum,
numberOfSlides,
actions,
intl,
} = this.props;
return (
<div id="presentationToolbarWrapper" className={styles.presentationToolbarWrapper}>
{PresentationToolbar.renderAriaLabelsDescs()}
<Button
role="button"
aria-labelledby="prevSlideLabel"
aria-describedby="prevSlideDesc"
disabled={!(currentSlideNum > 1)}
color="default"
icon="left_arrow"
size="md"
onClick={actions.previousSlideHandler}
label={intl.formatMessage(intlMessages.previousSlideLabel)}
hideLabel
className={styles.prevSlide}
/>
<select
// <select> has an implicit role of listbox, no need to define role="listbox" explicitly
id="skipSlide"
aria-labelledby="skipSlideLabel"
aria-describedby="skipSlideDesc"
aria-live="polite"
aria-relevant="all"
value={currentSlideNum}
onChange={this.handleSkipToSlideChange}
className={styles.skipSlide}
>
{this.renderSkipSlideOpts(numberOfSlides)}
</select>
<Button
role="button"
aria-labelledby="nextSlideLabel"
aria-describedby="nextSlideDesc"
disabled={!(currentSlideNum < numberOfSlides)}
color="default"
icon="right_arrow"
size="md"
onClick={actions.nextSlideHandler}
label={intl.formatMessage(intlMessages.nextSlideLabel)}
hideLabel
/>
{/* Fit to width button
<Button
role="button"
aria-labelledby="fitWidthLabel"
aria-describedby="fitWidthDesc"
color={'default'}
icon={'fit_to_width'}
size={'md'}
circle={false}
onClick={this.fitToWidthClickHandler}
label={'Fit to Width'}
hideLabel={true}
/> */}
{/* Fit to screen button
<Button
role="button"
aria-labelledby="fitScreenLabel"
aria-describedby="fitScreenDesc"
color={'default'}
icon={'fit_to_screen'}
size={'md'}
circle={false}
onClick={this.fitToScreenClickHandler}
label={'Fit to Screen'}
hideLabel={true}
/> */}
{/* Zoom slider
<div
className={classNames(styles.zoomWrapper, { [styles.zoomWrapperNoBorder]: true })}
>
<div className={styles.zoomMinMax}> 100% </div>
<input
role="slider"
aria-labelledby="zoomLabel"
aria-describedby="zoomDesc"
aria-valuemax="400"
aria-valuemin="100"
aria-valuenow={this.state.sliderValue}
value={this.state.sliderValue}
step="5"
type="range"
min="100"
max="400"
onChange={this.handleValuesChange}
onInput={this.handleValuesChange}
className={styles.zoomSlider}
/>
<div className={styles.zoomMinMax}> 400% </div>
</div> */}
</div>
);
}
}
PresentationToolbar.propTypes = {
// Number of current slide being displayed
currentSlideNum: PropTypes.number.isRequired,
// Total number of slides in this presentation
numberOfSlides: PropTypes.number.isRequired,
// Actions required for the presenter toolbar
actions: PropTypes.shape({
nextSlideHandler: PropTypes.func.isRequired,
previousSlideHandler: PropTypes.func.isRequired,
skipToSlideHandler: PropTypes.func.isRequired,
}).isRequired,
intl: PropTypes.shape({
formatMessage: PropTypes.func.isRequired,
}).isRequired,
};
export default injectWbResizeEvent(injectIntl(PresentationToolbar));