Sharkey/packages/frontend/src/components/MkMediaVideo.vue

<!--
SPDX-FileCopyrightText: syuilo and other misskey contributors
SPDX-License-Identifier: AGPL-3.0-only
-->

<template>
<div
	ref="playerEl"
	:class="[
		$style.videoContainer,
		controlsShowing && $style.active,
		(video.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitive,
	]"
	@mouseover="onMouseOver"
	@mouseleave="onMouseLeave"
	@contextmenu.stop
>
	<button v-if="hide" :class="$style.hidden" @click="hide = false">
		<div :class="$style.hiddenTextWrapper">
			<b v-if="video.isSensitive" style="display: block;"><i class="ti ti-eye-exclamation"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.dataSaver.media ? ` (${i18n.ts.video}${video.size ? ' ' + bytes(video.size) : ''})` : '' }}</b>
			<b v-else style="display: block;"><i class="ti ti-photo"></i> {{ defaultStore.state.dataSaver.media && video.size ? bytes(video.size) : i18n.ts.video }}</b>
			<span style="display: block;">{{ i18n.ts.clickToShow }}</span>
		</div>
	</button>
	<div v-else :class="$style.videoRoot" @click.self="togglePlayPause">
		<video
			ref="videoEl"
			:class="$style.video"
			:poster="video.thumbnailUrl ?? undefined"
			:title="video.comment ?? undefined"
			:alt="video.comment"
			preload="metadata"
			playsinline
		>
			<source :src="video.url">
		</video>
		<button v-if="isReady && !isPlaying" class="_button" :class="$style.videoOverlayPlayButton" @click="togglePlayPause"><i class="ti ti-player-play-filled"></i></button>
		<div v-else-if="!isActuallyPlaying" :class="$style.videoLoading">
			<MkLoading/>
		</div>
		<i class="ti ti-eye-off" :class="$style.hide" @click="hide = true"></i>
		<div :class="$style.indicators">
			<div v-if="video.comment" :class="$style.indicator">ALT</div>
			<div v-if="video.isSensitive" :class="$style.indicator" style="color: var(--warn);" :title="i18n.ts.sensitive"><i class="ti ti-eye-exclamation"></i></div>
		</div>
		<div :class="$style.videoControls" @click.self="togglePlayPause">
			<div :class="[$style.controlsChild, $style.controlsLeft]">
				<button class="_button" :class="$style.controlButton" @click="togglePlayPause">
					<i v-if="isPlaying" class="ti ti-player-pause-filled"></i>
					<i v-else class="ti ti-player-play-filled"></i>
				</button>
			</div>
			<div :class="[$style.controlsChild, $style.controlsRight]">
				<button class="_button" :class="$style.controlButton" @click="showMenu">
					<i class="ti ti-settings"></i>
				</button>
				<button class="_button" :class="$style.controlButton" @click="toggleFullscreen">
					<i v-if="isFullscreen" class="ti ti-arrows-minimize"></i>
					<i v-else class="ti ti-arrows-maximize"></i>
				</button>
			</div>
			<div :class="[$style.controlsChild, $style.controlsTime]">{{ hms(elapsedTimeMs) }}</div>
			<div :class="[$style.controlsChild, $style.controlsVolume]">
				<button class="_button" :class="$style.controlButton" @click="toggleMute">
					<i v-if="volume === 0" class="ti ti-volume-3"></i>
					<i v-else class="ti ti-volume"></i>
				</button>
				<MkMediaRange
					v-model="volume"
					:sliderBgWhite="true"
					:class="$style.volumeSeekbar"
				/>
			</div>
			<MkMediaRange
				v-model="rangePercent"
				:sliderBgWhite="true"
				:class="$style.seekbarRoot"
				:buffer="bufferedDataRatio"
			/>
		</div>
	</div>
</div>
</template>

<script lang="ts" setup>
import { ref, shallowRef, computed, watch, onDeactivated, onActivated, onMounted } from 'vue';
import * as Misskey from 'misskey-js';
import type { MenuItem } from '@/types/menu.js';
import bytes from '@/filters/bytes.js';
import { hms } from '@/filters/hms.js';
import { defaultStore } from '@/store.js';
import { i18n } from '@/i18n.js';
import * as os from '@/os.js';
import { isFullscreenNotSupported } from '@/scripts/device-kind.js';
import hasAudio from '@/scripts/media-has-audio.js';
import MkMediaRange from '@/components/MkMediaRange.vue';
import { iAmModerator } from '@/account.js';

const props = defineProps<{
	video: Misskey.entities.DriveFile;
}>();

// eslint-disable-next-line vue/no-setup-props-destructure
const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.video.isSensitive && defaultStore.state.nsfw !== 'ignore'));

// Menu
const menuShowing = ref(false);

function showMenu(ev: MouseEvent) {
	let menu: MenuItem[] = [];

	menu = [
		// TODO: 再生キューに追加
		{
			text: i18n.ts.hide,
			icon: 'ti ti-eye-off',
			action: () => {
				hide.value = true;
			},
		},
	];

	if (iAmModerator) {
		menu.push({
			type: 'divider',
		}, {
			text: props.video.isSensitive ? i18n.ts.unmarkAsSensitive : i18n.ts.markAsSensitive,
			icon: props.video.isSensitive ? 'ti ti-eye' : 'ti ti-eye-exclamation',
			danger: true,
			action: () => toggleSensitive(props.video),
		});
	}

	menuShowing.value = true;
	os.popupMenu(menu, ev.currentTarget ?? ev.target, {
		align: 'right',
		onClosing: () => {
			menuShowing.value = false;
		},
	});
}

function toggleSensitive(file: Misskey.entities.DriveFile) {
	os.apiWithDialog('drive/files/update', {
		fileId: file.id,
		isSensitive: !file.isSensitive,
	});
}

// MediaControl: Video State
const videoEl = shallowRef<HTMLVideoElement>();
const playerEl = shallowRef<HTMLDivElement>();
const isHoverring = ref(false);
const controlsShowing = computed(() => {
	if (!oncePlayed.value) return true;
	if (isHoverring.value) return true;
	if (menuShowing.value) return true;
	return false;
});
const isFullscreen = ref(false);
let controlStateTimer: string | number;

// MediaControl: Common State
const oncePlayed = ref(false);
const isReady = ref(false);
const isPlaying = ref(false);
const isActuallyPlaying = ref(false);
const elapsedTimeMs = ref(0);
const durationMs = ref(0);
const rangePercent = computed({
	get: () => {
		return (elapsedTimeMs.value / durationMs.value) || 0;
	},
	set: (to) => {
		if (!videoEl.value) return;
		videoEl.value.currentTime = to * durationMs.value / 1000;
	},
});
const volume = ref(.25);
const bufferedEnd = ref(0);
const bufferedDataRatio = computed(() => {
	if (!videoEl.value) return 0;
	return bufferedEnd.value / videoEl.value.duration;
});

// MediaControl Events
function onMouseOver() {
	if (controlStateTimer) {
		clearTimeout(controlStateTimer);
	}
	isHoverring.value = true;
}

function onMouseLeave() {
	controlStateTimer = window.setTimeout(() => {
		isHoverring.value = false;
	}, 100);
}

function togglePlayPause() {
	if (!isReady.value || !videoEl.value) return;

	if (isPlaying.value) {
		videoEl.value.pause();
		isPlaying.value = false;
	} else {
		videoEl.value.play();
		isPlaying.value = true;
		oncePlayed.value = true;
	}
}

function toggleFullscreen() {
	if (isFullscreenNotSupported && videoEl.value) {
		if (isFullscreen.value) {
			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
			//@ts-ignore
			videoEl.value.webkitExitFullscreen();
			isFullscreen.value = false;
		} else {
			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
			//@ts-ignore
			videoEl.value.webkitEnterFullscreen();
			isFullscreen.value = true;
		}
	} else if (playerEl.value) {
		if (isFullscreen.value) {
			document.exitFullscreen();
			isFullscreen.value = false;
		} else {
			playerEl.value.requestFullscreen({ navigationUI: 'hide' });
			isFullscreen.value = true;
		}
	}
}

function toggleMute() {
	if (volume.value === 0) {
		volume.value = .25;
	} else {
		volume.value = 0;
	}
}

let onceInit = false;
let stopVideoElWatch: () => void;

function init() {
	if (onceInit) return;
	onceInit = true;

	stopVideoElWatch = watch(videoEl, () => {
		if (videoEl.value) {
			isReady.value = true;

			function updateMediaTick() {
				if (videoEl.value) {
					try {
						bufferedEnd.value = videoEl.value.buffered.end(0);
					} catch (err) {
						bufferedEnd.value = 0;
					}

					elapsedTimeMs.value = videoEl.value.currentTime * 1000;
				}
				window.requestAnimationFrame(updateMediaTick);
			}

			updateMediaTick();

			videoEl.value.addEventListener('play', () => {
				isActuallyPlaying.value = true;
			});

			videoEl.value.addEventListener('pause', () => {
				isActuallyPlaying.value = false;
				isPlaying.value = false;
			});

			videoEl.value.addEventListener('ended', () => {
				oncePlayed.value = false;
				isActuallyPlaying.value = false;
				isPlaying.value = false;
			});

			durationMs.value = videoEl.value.duration * 1000;
			videoEl.value.addEventListener('durationchange', () => {
				if (videoEl.value) {
					durationMs.value = videoEl.value.duration * 1000;
				}
			});

			videoEl.value.volume = volume.value;
			hasAudio(videoEl.value).then(had => {
				if (!had && videoEl.value) {
					videoEl.value.loop = videoEl.value.muted = true;
					videoEl.value.play();
				}
			});
		}
	}, {
		immediate: true,
	});
}

watch(volume, (to) => {
	if (videoEl.value) videoEl.value.volume = to;
});

watch(hide, (to) => {
	if (to && isFullscreen.value) {
		document.exitFullscreen();
		isFullscreen.value = false;
	}
});

onMounted(() => {
	init();
});

onActivated(() => {
	init();
});

onDeactivated(() => {
	isReady.value = false;
	isPlaying.value = false;
	isActuallyPlaying.value = false;
	elapsedTimeMs.value = 0;
	durationMs.value = 0;
	bufferedEnd.value = 0;
	hide.value = (defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.video.isSensitive && defaultStore.state.nsfw !== 'ignore');
	stopVideoElWatch();
	onceInit = false;
});
</script>

<style lang="scss" module>
.videoContainer {
	container-type: inline-size;
	position: relative;
	overflow: clip;
}

.sensitive {
	position: relative;

	&::after {
		content: "";
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		pointer-events: none;
		border-radius: inherit;
		box-shadow: inset 0 0 0 4px var(--warn);
	}
}

.indicators {
	display: inline-flex;
	position: absolute;
	top: 10px;
	left: 10px;
	pointer-events: none;
	opacity: .5;
	gap: 6px;
}

.indicator {
	/* Hardcode to black because either --bg or --fg makes it hard to read in dark/light mode */
	background-color: black;
	border-radius: 6px;
	color: var(--accentLighten);
	display: inline-block;
	font-weight: bold;
	font-size: 0.8em;
	padding: 2px 5px;
}

.hide {
	display: block;
	position: absolute;
	border-radius: 6px;
	background-color: var(--fg);
	color: var(--accentLighten);
	font-size: 12px;
	opacity: .5;
	padding: 5px 8px;
	text-align: center;
	cursor: pointer;
	top: 12px;
	right: 12px;
}

.hidden {
	width: 100%;
	background: none;
	border: none;
	outline: none;
	font: inherit;
	color: inherit;
	cursor: pointer;
	padding: 120px 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #000;
}

.hiddenTextWrapper {
	text-align: center;
	font-size: 0.8em;
	color: #fff;
}

.videoRoot {
	background: #000;
	position: relative;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.video {
	display: block;
	height: 100%;
	width: 100%;
	pointer-events: none;
}

.videoOverlayPlayButton {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);

	opacity: 0;
	transition: opacity .4s ease-in-out;

	background: var(--accent);
	color: #fff;
	padding: 1rem;
	border-radius: 99rem;

	font-size: 1.1rem;
}

.videoLoading {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.videoControls {
	display: grid;
	grid-template-areas:
		"left time . volume right"
		"seekbar seekbar seekbar seekbar seekbar";
	grid-template-columns: auto auto 1fr auto auto;
	align-items: center;
	gap: 4px 8px;
	pointer-events: none;

	padding: 35px 10px 10px 10px;
	background: linear-gradient(rgba(0, 0, 0, 0),rgba(0, 0, 0, .75));

	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;

	transform: translateY(100%);
	pointer-events: none;
	opacity: 0;
	transition: opacity .4s ease-in-out, transform .4s ease-in-out;
}

.active {
	.videoControls {
		transform: translateY(0);
		opacity: 1;
		pointer-events: auto;
	}

	.videoOverlayPlayButton {
		opacity: 1;
	}
}

.controlsChild {
	display: flex;
	align-items: center;
	gap: 4px;
	color: #fff;

	.controlButton {
		padding: 6px;
		border-radius: calc(var(--radius) / 2);
		transition: background-color .2s ease-in-out;
		font-size: 1.05rem;

		&:hover {
			background-color: var(--accent);
		}
	}
}

.controlsLeft {
	grid-area: left;
}

.controlsRight {
	grid-area: right;
}

.controlsTime {
	grid-area: time;
	font-size: .9rem;
}

.controlsVolume {
	grid-area: volume;

	.volumeSeekbar {
		display: none;
	}
}

.seekbarRoot {
	grid-area: seekbar;
	/* ▼シークバー操作をやりやすくするためにクリックイベントが伝播されないエリアを拡張する */
	margin: -10px;
	padding: 10px;
}

@container (min-width: 500px) {
	.videoControls {
		grid-template-areas: "left seekbar time volume right";
		grid-template-columns: auto 1fr auto auto auto;
	}

	.controlsVolume {
		.volumeSeekbar {
			max-width: 90px;
			display: block;
			flex-grow: 1;
		}
	}
}
</style>