bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/presentation/presentation-toolbar/component.jsx
2022-05-16 02:35:17 +00:00

424 lines
13 KiB
JavaScript
Executable File

import React, { PureComponent } from "react";
import PropTypes from "prop-types";
import { defineMessages, injectIntl } from "react-intl";
import deviceInfo from "/imports/utils/deviceInfo";
import injectWbResizeEvent from "/imports/ui/components/presentation/resize-wrapper/component";
import {
HUNDRED_PERCENT,
MAX_PERCENT,
STEP,
} from "/imports/utils/slideCalcUtils";
import Styled from "./styles";
import ZoomTool from "./zoom-tool/component";
import TooltipContainer from "/imports/ui/components/common/tooltip/container";
import KEY_CODES from "/imports/utils/keyCodes";
const intlMessages = defineMessages({
previousSlideLabel: {
id: "app.presentation.presentationToolbar.prevSlideLabel",
description: "Previous slide button label",
},
previousSlideDesc: {
id: "app.presentation.presentationToolbar.prevSlideDesc",
description: "Aria description for when switching to previous slide",
},
nextSlideLabel: {
id: "app.presentation.presentationToolbar.nextSlideLabel",
description: "Next slide button label",
},
nextSlideDesc: {
id: "app.presentation.presentationToolbar.nextSlideDesc",
description: "Aria description for when switching to next slide",
},
noNextSlideDesc: {
id: "app.presentation.presentationToolbar.noNextSlideDesc",
description: "",
},
noPrevSlideDesc: {
id: "app.presentation.presentationToolbar.noPrevSlideDesc",
description: "",
},
skipSlideLabel: {
id: "app.presentation.presentationToolbar.skipSlideLabel",
description: "Aria label for when switching to a specific slide",
},
skipSlideDesc: {
id: "app.presentation.presentationToolbar.skipSlideDesc",
description: "Aria description for when switching to a specific slide",
},
goToSlide: {
id: "app.presentation.presentationToolbar.goToSlide",
description: "button for slide select",
},
selectLabel: {
id: "app.presentation.presentationToolbar.selectLabel",
description: "slide select label",
},
fitToWidth: {
id: "app.presentation.presentationToolbar.fitToWidth",
description: "button for fit to width",
},
fitToWidthDesc: {
id: "app.presentation.presentationToolbar.fitWidthDesc",
description: "Aria description to display the whole width of the slide",
},
fitToPage: {
id: "app.presentation.presentationToolbar.fitToPage",
description: "button label for fit to width",
},
fitToPageDesc: {
id: "app.presentation.presentationToolbar.fitScreenDesc",
description: "Aria description to display the whole slide",
},
presentationLabel: {
id: "app.presentationUploder.title",
description: "presentation area element label",
},
});
class PresentationToolbar extends PureComponent {
constructor(props) {
super(props);
this.state = {
curPageId: 1,
};
this.handleSkipToSlideChange = this.handleSkipToSlideChange.bind(this);
this.change = this.change.bind(this);
this.renderAriaDescs = this.renderAriaDescs.bind(this);
this.switchSlide = this.switchSlide.bind(this);
this.nextSlideHandler = this.nextSlideHandler.bind(this);
this.previousSlideHandler = this.previousSlideHandler.bind(this);
this.fullscreenToggleHandler = this.fullscreenToggleHandler.bind(this);
}
componentDidMount() {
document.addEventListener("keydown", this.switchSlide);
}
componentWillUnmount() {
document.removeEventListener("keydown", this.switchSlide);
}
switchSlide(event) {
const { target, which } = event;
const isBody = target.nodeName === "BODY";
if (isBody) {
switch (which) {
case KEY_CODES.ARROW_LEFT:
case KEY_CODES.PAGE_UP:
this.previousSlideHandler();
break;
case KEY_CODES.ARROW_RIGHT:
case KEY_CODES.PAGE_DOWN:
this.nextSlideHandler();
break;
case KEY_CODES.ENTER:
this.fullscreenToggleHandler();
break;
default:
}
}
}
handleSkipToSlideChange(event) {
const { skipToSlide, podId } = this.props;
const requestedSlideNum = Number.parseInt(event.target.value, 10);
if (event) event.currentTarget.blur();
// skipToSlide(requestedSlideNum, podId);
this.props?.tldrawAPI?.changePage(requestedSlideNum);
this.setState({
curPageId: parseInt(this.props?.tldrawAPI?.getPage()?.id),
});
}
nextSlideHandler(event) {
const { nextSlide, currentSlideNum, numberOfSlides, podId } = this.props;
if (event) event.currentTarget.blur();
nextSlide(currentSlideNum, numberOfSlides, podId);
}
previousSlideHandler(event) {
const { previousSlide, currentSlideNum, podId } = this.props;
if (event) event.currentTarget.blur();
previousSlide(currentSlideNum, podId);
}
fullscreenToggleHandler() {
const {
fullscreenElementId,
isFullscreen,
layoutContextDispatch,
fullscreenAction,
fullscreenRef,
handleToggleFullScreen,
} = this.props;
handleToggleFullScreen(fullscreenRef);
const newElement = isFullscreen ? "" : fullscreenElementId;
layoutContextDispatch({
type: fullscreenAction,
value: {
element: newElement,
group: "",
},
});
}
change(value) {
const { zoomChanger } = this.props;
zoomChanger(value);
}
renderAriaDescs() {
const { intl } = this.props;
return (
<div hidden>
{/* Aria description's for toolbar buttons */}
<div id="prevSlideDesc">
{intl.formatMessage(intlMessages.previousSlideDesc)}
</div>
<div id="noPrevSlideDesc">
{intl.formatMessage(intlMessages.noPrevSlideDesc)}
</div>
<div id="nextSlideDesc">
{intl.formatMessage(intlMessages.nextSlideDesc)}
</div>
<div id="noNextSlideDesc">
{intl.formatMessage(intlMessages.noNextSlideDesc)}
</div>
<div id="skipSlideDesc">
{intl.formatMessage(intlMessages.skipSlideDesc)}
</div>
<div id="fitWidthDesc">
{intl.formatMessage(intlMessages.fitToWidthDesc)}
</div>
<div id="fitPageDesc">
{intl.formatMessage(intlMessages.fitToPageDesc)}
</div>
</div>
);
}
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,
fitToWidthHandler,
fitToWidth,
intl,
zoom,
isMeteorConnected,
isPollingEnabled,
amIPresenter,
currentSlidHasContent,
parseCurrentSlideContent,
startPoll,
currentSlide,
toolbarWidth,
} = this.props;
const { isMobile } = deviceInfo;
const startOfSlides = parseInt(this.state.curPageId) === 1;
const endOfSlides = parseInt(this.state.curPageId) === numberOfSlides;
const prevSlideAriaLabel = startOfSlides
? intl.formatMessage(intlMessages.previousSlideLabel)
: `${intl.formatMessage(intlMessages.previousSlideLabel)} (${
parseInt(this.props?.tldrawAPI?.getPage()?.id) <= 1
? ""
: parseInt(this.props?.tldrawAPI?.getPage()?.id) - 1
})`;
const nextSlideAriaLabel = endOfSlides
? intl.formatMessage(intlMessages.nextSlideLabel)
: `${intl.formatMessage(intlMessages.nextSlideLabel)} (${
parseInt(this.props?.tldrawAPI?.getPage()?.id) >= 1
? parseInt(this.props?.tldrawAPI?.getPage()?.id) + 1
: ""
})`;
return (
<Styled.PresentationToolbarWrapper
id="presentationToolbarWrapper"
style={{
width: "100%",
}}
>
{this.renderAriaDescs()}
{
<div>
{isPollingEnabled ? (
<Styled.QuickPollButton
{...{
currentSlidHasContent,
intl,
amIPresenter,
parseCurrentSlideContent,
startPoll,
currentSlide,
}}
/>
) : null}
</div>
}
{
<Styled.PresentationSlideControls>
<Styled.PrevSlideButton
role="button"
aria-label={prevSlideAriaLabel}
aria-describedby={
startOfSlides ? "noPrevSlideDesc" : "prevSlideDesc"
}
disabled={startOfSlides || !isMeteorConnected}
color="default"
icon="left_arrow"
size="md"
onClick={() => {
this.props?.tldrawAPI?.changePage(
parseInt(this.props?.tldrawAPI?.getPage()?.id) - 1
);
this.setState({
curPageId: parseInt(this.props?.tldrawAPI?.getPage()?.id),
});
}}
label={intl.formatMessage(intlMessages.previousSlideLabel)}
hideLabel
data-test="prevSlide"
/>
<TooltipContainer
title={intl.formatMessage(intlMessages.selectLabel)}
>
<Styled.SkipSlideSelect
id="skipSlide"
aria-label={intl.formatMessage(intlMessages.skipSlideLabel)}
aria-describedby="skipSlideDesc"
aria-live="polite"
aria-relevant="all"
disabled={!isMeteorConnected}
value={this.state.curPageId}
onChange={this.handleSkipToSlideChange}
data-test="skipSlide"
>
{this.renderSkipSlideOpts(numberOfSlides)}
</Styled.SkipSlideSelect>
</TooltipContainer>
<Styled.NextSlideButton
role="button"
aria-label={nextSlideAriaLabel}
aria-describedby={
endOfSlides ? "noNextSlideDesc" : "nextSlideDesc"
}
disabled={endOfSlides || !isMeteorConnected}
color="default"
icon="right_arrow"
size="md"
onClick={() => {
this.props?.tldrawAPI?.changePage(
parseInt(this.props?.tldrawAPI?.getPage()?.id) + 1
);
this.setState({
curPageId: parseInt(this.props?.tldrawAPI?.getPage()?.id),
});
}}
label={intl.formatMessage(intlMessages.nextSlideLabel)}
hideLabel
data-test="nextSlide"
/>
</Styled.PresentationSlideControls>
}
{
<Styled.PresentationZoomControls>
{!isMobile ? (
<TooltipContainer>
<ZoomTool
zoomValue={
this.props?.tldrawAPI?.getPageState()?.camera?.zoom
}
change={this.change}
minBound={0.1}
maxBound={5}
step={STEP}
isMeteorConnected={isMeteorConnected}
tldrawAPI={this.props?.tldrawAPI}
/>
</TooltipContainer>
) : null}
<Styled.FitToWidthButton
role="button"
aria-describedby={fitToWidth ? "fitPageDesc" : "fitWidthDesc"}
aria-label={
fitToWidth
? `${intl.formatMessage(
intlMessages.presentationLabel
)} ${intl.formatMessage(intlMessages.fitToPage)}`
: `${intl.formatMessage(
intlMessages.presentationLabel
)} ${intl.formatMessage(intlMessages.fitToWidth)}`
}
color="default"
disabled={!isMeteorConnected}
icon="fit_to_width"
size="md"
circle={false}
onClick={() => this.props.tldrawAPI.zoomToFit()}
label={intl.formatMessage(intlMessages.fitToPage)}
hideLabel
/>
</Styled.PresentationZoomControls>
}
</Styled.PresentationToolbarWrapper>
);
}
}
PresentationToolbar.propTypes = {
// The Id for the current pod. Should always be default pod
podId: PropTypes.string.isRequired,
// 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
nextSlide: PropTypes.func.isRequired,
previousSlide: PropTypes.func.isRequired,
skipToSlide: PropTypes.func.isRequired,
intl: PropTypes.shape({
formatMessage: PropTypes.func.isRequired,
}).isRequired,
zoomChanger: PropTypes.func.isRequired,
fitToWidthHandler: PropTypes.func.isRequired,
fitToWidth: PropTypes.bool.isRequired,
zoom: PropTypes.number.isRequired,
isMeteorConnected: PropTypes.bool.isRequired,
fullscreenElementId: PropTypes.string.isRequired,
fullscreenAction: PropTypes.string.isRequired,
isFullscreen: PropTypes.bool.isRequired,
layoutContextDispatch: PropTypes.func.isRequired,
};
export default injectWbResizeEvent(injectIntl(PresentationToolbar));