signal-desktop/ts/components/CallingLobby.tsx

349 lines
11 KiB
TypeScript

// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import React, { ReactNode } from 'react';
import Measure from 'react-measure';
import { debounce } from 'lodash';
import {
SetLocalAudioType,
SetLocalPreviewType,
SetLocalVideoType,
} from '../state/ducks/calling';
import { CallingButton, CallingButtonType } from './CallingButton';
import { TooltipPlacement } from './Tooltip';
import { CallBackgroundBlur } from './CallBackgroundBlur';
import { CallingHeader } from './CallingHeader';
import { Spinner } from './Spinner';
import { ColorType } from '../types/Colors';
import { LocalizerType } from '../types/Util';
import { ConversationType } from '../state/ducks/conversations';
import {
REQUESTED_VIDEO_WIDTH,
REQUESTED_VIDEO_HEIGHT,
} from '../calling/constants';
// We request dimensions but may not get them depending on the user's webcam. This is our
// fallback while we don't know.
const VIDEO_ASPECT_RATIO_FALLBACK =
REQUESTED_VIDEO_WIDTH / REQUESTED_VIDEO_HEIGHT;
export type PropsType = {
availableCameras: Array<MediaDeviceInfo>;
conversation: {
title: string;
};
hasLocalAudio: boolean;
hasLocalVideo: boolean;
i18n: LocalizerType;
isGroupCall: boolean;
isCallFull?: boolean;
me: {
avatarPath?: string;
color?: ColorType;
uuid: string;
};
onCallCanceled: () => void;
onJoinCall: () => void;
peekedParticipants: Array<ConversationType>;
setLocalAudio: (_: SetLocalAudioType) => void;
setLocalVideo: (_: SetLocalVideoType) => void;
setLocalPreview: (_: SetLocalPreviewType) => void;
showParticipantsList: boolean;
toggleParticipants: () => void;
toggleSettings: () => void;
};
export const CallingLobby = ({
availableCameras,
conversation,
hasLocalAudio,
hasLocalVideo,
i18n,
isGroupCall = false,
isCallFull = false,
me,
onCallCanceled,
onJoinCall,
peekedParticipants,
setLocalAudio,
setLocalPreview,
setLocalVideo,
showParticipantsList,
toggleParticipants,
toggleSettings,
}: PropsType): JSX.Element => {
const [
localPreviewContainerWidth,
setLocalPreviewContainerWidth,
] = React.useState<null | number>(null);
const [
localPreviewContainerHeight,
setLocalPreviewContainerHeight,
] = React.useState<null | number>(null);
const [localVideoAspectRatio, setLocalVideoAspectRatio] = React.useState(
VIDEO_ASPECT_RATIO_FALLBACK
);
const localVideoRef = React.useRef<null | HTMLVideoElement>(null);
const toggleAudio = React.useCallback((): void => {
setLocalAudio({ enabled: !hasLocalAudio });
}, [hasLocalAudio, setLocalAudio]);
const toggleVideo = React.useCallback((): void => {
setLocalVideo({ enabled: !hasLocalVideo });
}, [hasLocalVideo, setLocalVideo]);
const hasEverMeasured =
localPreviewContainerWidth !== null && localPreviewContainerHeight !== null;
const setLocalPreviewContainerDimensions = React.useMemo(() => {
const set = (bounds: Readonly<{ width: number; height: number }>) => {
setLocalPreviewContainerWidth(bounds.width);
setLocalPreviewContainerHeight(bounds.height);
};
if (hasEverMeasured) {
return debounce(set, 100, { maxWait: 3000 });
}
return set;
}, [
hasEverMeasured,
setLocalPreviewContainerWidth,
setLocalPreviewContainerHeight,
]);
React.useEffect(() => {
setLocalPreview({ element: localVideoRef });
return () => {
setLocalPreview({ element: undefined });
};
}, [setLocalPreview]);
// This isn't perfect because it doesn't react to changes in the webcam's aspect ratio.
// For example, if you changed from Webcam A to Webcam B and Webcam B had a different
// aspect ratio, we wouldn't update.
//
// Unfortunately, RingRTC (1) doesn't update these dimensions with the "real" camera
// dimensions (2) doesn't give us any hooks or callbacks. For now, this works okay.
// We have `object-fit: contain` in the CSS in case we're wrong; not ideal, but
// usable.
React.useEffect(() => {
const videoEl = localVideoRef.current;
if (hasLocalVideo && videoEl && videoEl.width && videoEl.height) {
setLocalVideoAspectRatio(videoEl.width / videoEl.height);
}
}, [hasLocalVideo, setLocalVideoAspectRatio]);
React.useEffect(() => {
function handleKeyDown(event: KeyboardEvent): void {
let eventHandled = false;
if (event.shiftKey && (event.key === 'V' || event.key === 'v')) {
toggleVideo();
eventHandled = true;
} else if (event.shiftKey && (event.key === 'M' || event.key === 'm')) {
toggleAudio();
eventHandled = true;
}
if (eventHandled) {
event.preventDefault();
event.stopPropagation();
}
}
document.addEventListener('keydown', handleKeyDown);
return () => {
document.removeEventListener('keydown', handleKeyDown);
};
}, [toggleVideo, toggleAudio]);
const [isCallConnecting, setIsCallConnecting] = React.useState(false);
// eslint-disable-next-line no-nested-ternary
const videoButtonType = hasLocalVideo
? CallingButtonType.VIDEO_ON
: availableCameras.length === 0
? CallingButtonType.VIDEO_DISABLED
: CallingButtonType.VIDEO_OFF;
const audioButtonType = hasLocalAudio
? CallingButtonType.AUDIO_ON
: CallingButtonType.AUDIO_OFF;
// It should be rare to see yourself in this list, but it's possible if (1) you rejoin
// quickly, causing the server to return stale state (2) you have joined on another
// device.
const participantNames = peekedParticipants.map(participant =>
participant.uuid === me.uuid
? i18n('you')
: participant.firstName || participant.title
);
const hasYou = peekedParticipants.some(
participant => participant.uuid === me.uuid
);
const canJoin = !isCallFull && !isCallConnecting;
let joinButtonChildren: ReactNode;
if (isCallFull) {
joinButtonChildren = i18n('calling__call-is-full');
} else if (isCallConnecting) {
joinButtonChildren = <Spinner svgSize="small" />;
} else if (peekedParticipants.length) {
joinButtonChildren = i18n('calling__join');
} else {
joinButtonChildren = i18n('calling__start');
}
let localPreviewStyles: React.CSSProperties;
// It'd be nice to use `hasEverMeasured` here, too, but TypeScript isn't smart enough
// to understand the logic here.
if (
localPreviewContainerWidth !== null &&
localPreviewContainerHeight !== null
) {
const containerAspectRatio =
localPreviewContainerWidth / localPreviewContainerHeight;
localPreviewStyles =
containerAspectRatio < localVideoAspectRatio
? {
width: '100%',
height: Math.floor(
localPreviewContainerWidth / localVideoAspectRatio
),
}
: {
width: Math.floor(
localPreviewContainerHeight * localVideoAspectRatio
),
height: '100%',
};
} else {
localPreviewStyles = { display: 'none' };
}
return (
<div className="module-calling__container">
<CallingHeader
title={conversation.title}
i18n={i18n}
isGroupCall={isGroupCall}
participantCount={peekedParticipants.length}
showParticipantsList={showParticipantsList}
toggleParticipants={toggleParticipants}
toggleSettings={toggleSettings}
/>
<Measure
bounds
onResize={({ bounds }) => {
if (!bounds) {
window.log.error('We should be measuring bounds');
return;
}
setLocalPreviewContainerDimensions(bounds);
}}
>
{({ measureRef }) => (
<div
ref={measureRef}
className="module-calling-lobby__local-preview-container"
>
<div
className="module-calling-lobby__local-preview"
style={localPreviewStyles}
>
{hasLocalVideo && availableCameras.length > 0 ? (
<video
className="module-calling-lobby__local-preview__video-on"
ref={localVideoRef}
autoPlay
/>
) : (
<CallBackgroundBlur avatarPath={me.avatarPath} color={me.color}>
<div className="module-calling-lobby__local-preview__video-off__icon" />
<span className="module-calling-lobby__local-preview__video-off__text">
{i18n('calling__your-video-is-off')}
</span>
</CallBackgroundBlur>
)}
<div className="module-calling__buttons">
<CallingButton
buttonType={videoButtonType}
i18n={i18n}
onClick={toggleVideo}
tooltipDirection={TooltipPlacement.Top}
/>
<CallingButton
buttonType={audioButtonType}
i18n={i18n}
onClick={toggleAudio}
tooltipDirection={TooltipPlacement.Top}
/>
</div>
</div>
</div>
)}
</Measure>
{isGroupCall ? (
<div className="module-calling-lobby__info">
{participantNames.length === 0 &&
i18n('calling__lobby-summary--zero')}
{participantNames.length === 1 &&
hasYou &&
i18n('calling__lobby-summary--self')}
{participantNames.length === 1 &&
!hasYou &&
i18n('calling__lobby-summary--single', participantNames)}
{participantNames.length === 2 &&
i18n('calling__lobby-summary--double', {
first: participantNames[0],
second: participantNames[1],
})}
{participantNames.length === 3 &&
i18n('calling__lobby-summary--triple', {
first: participantNames[0],
second: participantNames[1],
third: participantNames[2],
})}
{participantNames.length > 3 &&
i18n('calling__lobby-summary--many', {
first: participantNames[0],
second: participantNames[1],
others: String(participantNames.length - 2),
})}
</div>
) : null}
<div className="module-calling-lobby__actions">
<button
className="module-button__gray module-calling-lobby__button"
onClick={onCallCanceled}
tabIndex={0}
type="button"
>
{i18n('cancel')}
</button>
<button
className="module-button__green module-calling-lobby__button"
disabled={!canJoin}
onClick={
canJoin
? () => {
setIsCallConnecting(true);
onJoinCall();
}
: undefined
}
tabIndex={0}
type="button"
>
{joinButtonChildren}
</button>
</div>
</div>
);
};