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|
<!--
- @copyright Copyright (c) 2020 Marco Ambrosini <marcoambrosini@pm.me>
-
- @author Marco Ambrosini <marcoambrosini@pm.me>
-
- @license GNU AGPL version 3 or any later version
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<template>
<div class="grid-main-wrapper" :class="{'is-grid': !isStripe, 'transparent': isLessThanTwoVideos}">
<button v-if="isStripe"
class="stripe--collapse"
:aria-label="stripeButtonTooltip"
@click="handleClickStripeCollapse">
<ChevronDown v-if="stripeOpen"
fill-color="#ffffff"
:size="20" />
<ChevronUp v-else
fill-color="#ffffff"
:size="20" />
</button>
<transition :name="isStripe ? 'slide-down' : ''">
<div v-if="!isStripe || stripeOpen" class="wrapper" :style="wrapperStyle">
<div :class="{'stripe-wrapper': isStripe, 'wrapper': !isStripe}">
<button v-if="hasPreviousPage && gridWidth > 0"
:class="{'stripe': isStripe}"
class="grid-navigation grid-navigation__previous"
:aria-label="t('spreed', 'Previous page of videos')"
@click="handleClickPrevious">
<ChevronLeft fill-color="#ffffff"
:size="20" />
</button>
<div ref="grid"
class="grid"
:class="{stripe: isStripe}"
:style="gridStyle"
@mousemove="handleMovement"
@keydown="handleMovement">
<template v-if="!devMode && (!isLessThanTwoVideos || !isStripe)">
<EmptyCallView v-if="videos.length === 0 && !isStripe" class="video" :is-grid="true" />
<template v-for="callParticipantModel in displayedVideos">
<Video :key="callParticipantModel.attributes.peerId"
:class="{'video': !isStripe}"
:show-video-overlay="showVideoOverlay"
:token="token"
:model="callParticipantModel"
:is-grid="true"
:show-talking-highlight="!isStripe"
:is-stripe="isStripe"
:is-promoted="sharedDatas[callParticipantModel.attributes.peerId].promoted"
:is-selected="isSelected(callParticipantModel)"
:fit-video="false"
:video-container-aspect-ratio="videoContainerAspectRatio"
:shared-data="sharedDatas[callParticipantModel.attributes.peerId]"
@click-video="handleClickVideo($event, callParticipantModel.attributes.peerId)" />
</template>
</template>
<!-- Grid developer mode -->
<template v-if="devMode">
<div v-for="(video, key) in displayedVideos"
:key="video"
class="dev-mode-video video"
:class="{'dev-mode-screenshot': screenshotMode}">
<img :src="placeholderImage(key)">
<VideoBottomBar :has-shadow="false"
:model="placeholderModel(key)"
:shared-data="placeholderSharedData(key)"
:token="token"
:participant-name="placeholderName(key)" />
</div>
<h1 v-if="!screenshotMode" class="dev-mode__title">
Dev mode on ;-)
</h1>
<div v-else
class="dev-mode-video--self video"
:style="{'background': 'url(' + placeholderImage(8) + ')'}" />
</template>
<LocalVideo v-if="!isStripe && !screenshotMode"
ref="localVideo"
class="video"
:is-grid="true"
:fit-video="isStripe"
:token="token"
:local-media-model="localMediaModel"
:video-container-aspect-ratio="videoContainerAspectRatio"
:local-call-participant-model="localCallParticipantModel"
@click-video="handleClickLocalVideo" />
</div>
<button v-if="hasNextPage && gridWidth > 0"
class="grid-navigation grid-navigation__next"
:class="{'stripe': isStripe}"
:aria-label="t('spreed', 'Next page of videos')"
@click="handleClickNext">
<ChevronRight fill-color="#ffffff"
:size="20" />
</button>
</div>
<LocalVideo v-if="isStripe && !screenshotMode"
ref="localVideo"
class="video"
:is-stripe="true"
:show-controls="false"
:token="token"
:local-media-model="localMediaModel"
:video-container-aspect-ratio="videoContainerAspectRatio"
:local-call-participant-model="localCallParticipantModel"
@click-video="handleClickLocalVideo" />
<!-- page indicator (disabled) -->
<div v-if="numberOfPages !== 0 && hasPagination && false"
class="pages-indicator">
<div v-for="(page, index) in numberOfPages"
:key="index"
class="pages-indicator__dot"
:class="{'pages-indicator__dot--active': index === currentPage }" />
</div>
<div v-if="devMode && !screenshotMode" class="dev-mode__data">
<p>GRID INFO</p>
<p>Videos (total): {{ videosCount }}</p>
<p>Displayed videos n: {{ displayedVideos.length }}</p>
<p>Max per page: ~{{ videosCap }}</p>
<p>Grid width: {{ gridWidth }}</p>
<p>Grid height: {{ gridHeight }}</p>
<p>Min video width: {{ minWidth }} </p>
<p>Min video Height: {{ minHeight }} </p>
<p>Grid aspect ratio: {{ gridAspectRatio }}</p>
<p>Number of pages: {{ numberOfPages }}</p>
<p>Current page: {{ currentPage }}</p>
</div>
</div>
</transition>
</div>
</template>
<script>
import debounce from 'debounce'
import Video from '../shared/Video.vue'
import LocalVideo from '../shared/LocalVideo.vue'
import { subscribe, unsubscribe } from '@nextcloud/event-bus'
import { generateFilePath } from '@nextcloud/router'
import EmptyCallView from '../shared/EmptyCallView.vue'
import VideoBottomBar from '../shared/VideoBottomBar.vue'
import Tooltip from '@nextcloud/vue/dist/Directives/Tooltip'
import ChevronRight from 'vue-material-design-icons/ChevronRight'
import ChevronLeft from 'vue-material-design-icons/ChevronLeft'
import ChevronUp from 'vue-material-design-icons/ChevronUp'
import ChevronDown from 'vue-material-design-icons/ChevronDown'
export default {
name: 'Grid',
components: {
Video,
LocalVideo,
EmptyCallView,
VideoBottomBar,
ChevronRight,
ChevronLeft,
ChevronUp,
ChevronDown,
},
directives: {
Tooltip,
},
props: {
/**
* Minimum width of the video components
*/
minWidth: {
type: Number,
default: 200,
},
/**
* Minimum height of the video components
*/
minHeight: {
type: Number,
default: 150,
},
/**
* Max number of videos per page. `0`, the default value, means no cap
*/
videosCap: {
type: Number,
default: 0,
},
videosCapEnforced: {
type: Boolean,
default: false,
},
targetAspectRatio: {
type: Number,
default: 1,
},
/**
* Developer mode: If enabled it allows to debug the grid using dummy
* videos
*/
devMode: {
type: Boolean,
default: false,
},
screenshotMode: {
type: Boolean,
default: false,
},
/**
* The number of dummy videos in dev mode
*/
dummies: {
type: Number,
default: 8,
},
/**
* Display the overflow of videos in separate pages;
*/
hasPagination: {
type: Boolean,
default: false,
},
/**
* To be set to true when the grid is in the promoted view.
*/
isStripe: {
type: Boolean,
default: false,
},
isSidebar: {
type: Boolean,
default: false,
},
callParticipantModels: {
type: Array,
required: true,
},
localMediaModel: {
type: Object,
required: true,
},
localCallParticipantModel: {
type: Object,
required: true,
},
token: {
type: String,
required: true,
},
sharedDatas: {
type: Object,
required: true,
},
isLocalVideoSelectable: {
type: Boolean,
default: false,
},
screens: {
type: Array,
default: () => [],
},
},
data() {
return {
gridWidth: 0,
gridHeight: 0,
// Columns of the grid at any given moment
columns: 0,
// Rows of the grid at any given moment
rows: 0,
// The current page
currentPage: 0,
// Videos controls and name
showVideoOverlay: true,
// Timer for the videos bottom bar
showVideoOverlayTimer: null,
}
},
computed: {
stripeButtonTooltip() {
if (this.stripeOpen) {
return t('spreed', 'Collapse stripe')
} else {
return t('spreed', 'Expand stripe')
}
},
// The videos array. This is the total number of grid elements.
// Depending on `gridWidthm`, `gridHeight`, `minWidth`, `minHeight` and
// `videosCap`, these videos are shown in one or more grid 'pages'.
videos() {
if (this.devMode) {
return Array.from(Array(this.dummies).keys())
} else {
return this.callParticipantModels
}
},
// Number of video components (it does not include the local video)
videosCount() {
if (!this.isStripe && this.videos.length === 0) {
// Count the emptycontent as a grid element
return 1
}
return this.videos.length
},
videoWidth() {
return this.gridWidth / this.columns
},
videoHeight() {
return this.gridHeight / this.rows
},
// Array of videos that are being displayed in the grid at any given
// moment
displayedVideos() {
if (!this.slots) {
return []
}
const slots = (this.videosCap && this.videosCapEnforced) ? Math.min(this.videosCap, this.slots) : this.slots
// Slice the `videos` array to display the current page of videos
if (((this.currentPage + 1) * slots) >= this.videos.length) {
return this.videos.slice(this.currentPage * slots)
}
return this.videos.slice(this.currentPage * slots, (this.currentPage + 1) * slots)
},
isLessThanTwoVideos() {
// without screen share, we don't want to duplicate videos if we were to show them in the stripe
// however, if a screen share is in progress, it means the video of the presenting user is not visible
// so we can show it in the stripe
return this.videos.length <= 1 && !this.screens.length
},
// The aspect ratio of the grid (in terms of px)
gridAspectRatio() {
return (this.gridWidth / this.gridHeight).toPrecision([2])
},
// Max number of columns possible
columnsMax() {
if (Math.floor(this.gridWidth / this.minWidth) < 1) {
// Return at least 1 column
return 1
} else {
return Math.floor(this.gridWidth / this.minWidth)
}
},
// Max number of rows possible
rowsMax() {
if (Math.floor(this.gridHeight / this.minHeight) < 1) {
// Return at least 1 row
return 1
} else {
return Math.floor(this.gridHeight / this.minHeight)
}
},
// Number of grid slots at any given moment
// The local video always takes one slot if the grid view is not shown
// as a stripe.
slots() {
return this.isStripe ? this.rows * this.columns : this.rows * this.columns - 1
},
// Grid pages at any given moment
numberOfPages() {
return Math.ceil(this.videosCount / this.slots)
},
// Hides or displays the `grid-navigation next` button
hasNextPage() {
if (this.displayedVideos.length !== 0 && this.hasPagination) {
return this.displayedVideos[this.displayedVideos.length - 1] !== this.videos[this.videos.length - 1]
} else {
return false
}
},
// Hides or displays the `grid-navigation previous` button
hasPreviousPage() {
if (this.displayedVideos.length !== 0 && this.hasPagination) {
return this.displayedVideos[0] !== this.videos[0]
} else {
return false
}
},
// TODO: rebuild the grid to have optimal for last page
// isLastPage() {
// return !this.hasNextPage
// },
// Computed css to reactively style the grid
gridStyle() {
let columns = this.columns
let rows = this.rows
// If there are no other videos the empty call view is shown above
// the local video.
if (this.videos.length === 0 && !this.isStripe) {
columns = 1
rows = 2
}
return {
gridTemplateColumns: `repeat(${columns}, minmax(${this.minWidth}px, 1fr))`,
gridTemplateRows: `repeat(${rows}, minmax(${this.minHeight}px, 1fr))`,
}
},
// Check if there's an overflow of videos (videos that don't fit in the grid)
hasVideoOverflow() {
return this.videosCount > this.slots
},
sidebarStatus() {
return this.$store.getters.getSidebarStatus
},
// Current aspect ratio of each video component
videoContainerAspectRatio() {
return (this.gridWidth / this.columns) / (this.gridHeight / this.rows)
},
wrapperStyle() {
if (this.isStripe) {
return 'height: 250px'
} else {
return 'height: 100%'
}
},
stripeOpen() {
return this.$store.getters.isStripeOpen
},
},
watch: {
// If the video array size changes, rebuild the grid
'videos.length'() {
this.makeGrid()
},
// TODO: rebuild the grid to have optimal for last page
// Exception for when navigating in and away from the last page of the
// grid
/**
isLastPage(newValue, oldValue) {
if (this.hasPagination) {
// If navigating into last page, make grid for last page
if (newValue && this.currentPage !== 0) {
this.makeGridForLastPage()
} else if (!newValue) {
// TODO: make a proper grid for when navigating away from last page
this.makeGrid()
}
}
},
*/
isStripe() {
this.rebuildGrid()
// Reset current page when switching between stripe and full grid,
// as the previous page is meaningless in the new mode.
this.currentPage = 0
},
stripeOpen() {
this.rebuildGrid()
},
sidebarStatus() {
// Handle the resize after the sidebar animation has completed
setTimeout(this.handleResize, 500)
},
numberOfPages() {
if (this.currentPage >= this.numberOfPages) {
this.currentPage = Math.max(0, this.numberOfPages - 1)
}
},
},
// bind event handlers to the `handleResize` method
mounted() {
window.addEventListener('resize', this.handleResize)
subscribe('navigation-toggled', this.handleResize)
this.makeGrid()
},
beforeDestroy() {
window.removeEventListener('resize', this.handleResize)
unsubscribe('navigation-toggled', this.handleResize)
},
methods: {
rebuildGrid() {
console.debug('isStripe: ', this.isStripe)
console.debug('stripeOpen: ', this.stripeOpen)
console.debug('previousGridWidth: ', this.gridWidth, 'previousGridHeight: ', this.gridHeight)
console.debug('newGridWidth: ', this.gridWidth, 'newGridHeight: ', this.gridHeight)
if (!this.isStripe || this.stripeOpen) {
this.$nextTick(this.makeGrid)
}
},
placeholderImage(i) {
return generateFilePath('spreed', 'docs', 'screenshotplaceholders/placeholder-' + i + '.jpeg')
},
placeholderName(i) {
switch (i) {
case 0:
return 'Sandra McKinney'
case 1:
return 'Chris Wurst'
case 2:
return 'Edeltraut Bobb'
case 3:
return 'Arthur Blitz'
case 4:
return 'Roeland Douma'
case 5:
return 'Vanessa Steg'
case 6:
return 'Emily Grant'
case 7:
return 'Tobias Kaminsky'
case 8:
return 'Adrian Ada'
}
},
placeholderModel(i) {
return {
attributes: {
audioAvailable: i === 1 || i === 2 || i === 4 || i === 5 || i === 6 || i === 7 || i === 8,
audioEnabled: i === 8,
videoAvailable: true,
screen: false,
currentVolume: 0.75,
volumeThreshold: 0.75,
localScreen: false,
raisedHand: {
state: i === 0 || i === 1 || i === 6,
},
},
forceMute: () => {},
on: () => {},
off: () => {},
getWebRtc: () => {
return {
connection: {
getSendVideoIfAvailable: () => {},
},
}
},
}
},
placeholderSharedData() {
return {
videoEnabled: {
isVideoEnabled() {
return true
},
},
screenVisible: false,
}
},
// whenever the document is resized, re-set the 'clientWidth' variable
handleResize(event) {
// TODO: properly handle resizes when not on first page:
// currently if the user is not on the 'first page', upon resize the
// current position in the videos array is lost (first element
// in the grid goes back to be first video)
debounce(this.makeGrid(), 200)
},
// Find the right size if the grid in rows and columns (we already know
// the size in px).
makeGrid() {
if (!this.$refs.grid) {
return
}
this.gridWidth = this.$refs.grid.clientWidth
this.gridHeight = this.$refs.grid.clientHeight
// prevent making grid if no videos
if (this.videos.length === 0) {
this.columns = 0
this.rows = 0
return
}
if (this.devMode) {
console.debug('Recreating grid: videos: ', this.videos.length, 'columns: ', this.columnsMax + ', rows: ' + this.rowsMax)
}
// We start by assigning the max possible value to our rows and columns
// variables. These variables are kept in the data and represent how the
// grid looks at any given moment. We do this based on `gridWidth`,
// `gridHeight`, `minWidth` and `minHeight`. If the video is used in the
// context of the promoted view, we se 1 row directly and we remove 1 column
// (one of the participants will be in the promoted video slot)
this.columns = this.columnsMax
this.rows = this.rowsMax
// This values would already work if the grid is entirely populated with
// video elements. However, if we'd have only a couple of videos to display
// and a very big screen, we'd now have a lot of columns and rows, and our
// video components would occupy only the first 2 slots and be too small.
// To solve this, we shrink this 'max grid' we've just created to fit the
// number of videos that we have.
if (this.videosCap !== 0 && this.videosCount > this.videosCap) {
this.shrinkGrid(this.videosCap)
} else {
this.shrinkGrid(this.videosCount)
}
},
// Fine tune the number of rows and columns of the grid
async shrinkGrid(numberOfVideos) {
if (this.devMode) {
console.debug('Shrinking grid: columns', this.columns + ', rows: ' + this.rows)
}
// No need to shrink more if 1 row and 1 column
if (this.rows === 1 && this.columns === 1) {
return
}
let currentColumns = this.columns
let currentRows = this.rows
let currentSlots = this.isStripe ? currentColumns * currentRows : currentColumns * currentRows - 1
// Run this code only if we don't have an 'overflow' of videos. If the
// videos are populating the grid, there's no point in shrinking it.
while (numberOfVideos < currentSlots) {
const previousColumns = currentColumns
const previousRows = currentRows
// Current video dimensions
const videoWidth = this.gridWidth / currentColumns
const videoHeight = this.gridHeight / currentRows
// Hypothetical width/height with one column/row less than current
const videoWidthWithOneColumnLess = this.gridWidth / (currentColumns - 1)
const videoHeightWithOneRowLess = this.gridHeight / (currentRows - 1)
// Hypothetical aspect ratio with one column/row less than current
const aspectRatioWithOneColumnLess = videoWidthWithOneColumnLess / videoHeight
const aspectRatioWithOneRowLess = videoWidth / videoHeightWithOneRowLess
// Deltas with target aspect ratio
const deltaAspectRatioWithOneColumnLess = Math.abs(aspectRatioWithOneColumnLess - this.targetAspectRatio)
const deltaAspectRatioWithOneRowLess = Math.abs(aspectRatioWithOneRowLess - this.targetAspectRatio)
if (this.devMode) {
console.debug('deltaAspectRatioWithOneColumnLess: ', deltaAspectRatioWithOneColumnLess, 'deltaAspectRatioWithOneRowLess: ', deltaAspectRatioWithOneRowLess)
}
// Compare the deltas to find out whether we need to remove a column or a row
if (deltaAspectRatioWithOneColumnLess <= deltaAspectRatioWithOneRowLess) {
if (currentColumns >= 2) {
currentColumns--
}
currentSlots = this.isStripe ? currentColumns * currentRows : currentColumns * currentRows - 1
// Check that there are still enough slots available
if (numberOfVideos > currentSlots) {
// If not, revert the changes and break the loop
currentColumns++
break
}
} else {
if (currentRows >= 2) {
currentRows--
}
currentSlots = this.isStripe ? currentColumns * currentRows : currentColumns * currentRows - 1
// Check that there are still enough slots available
if (numberOfVideos > currentSlots) {
// If not, revert the changes and break the loop
currentRows++
break
}
}
if (previousColumns === currentColumns && previousRows === currentRows) {
break
}
}
this.columns = currentColumns
this.rows = currentRows
},
// The last grid page is very likely not to have the same number of
// elements as the previous pages so the grid needs to be tweaked
// accordingly
// makeGridForLastPage() {
// this.columns = this.columnsMax
// this.rows = this.rowsMax
// // The displayed videos for the last page have already been set
// // in `handleClickNext`
// this.shrinkGrid(this.displayedVideos.length)
// },
handleClickNext() {
this.currentPage++
console.debug('handleclicknext, ', 'currentPage ', this.currentPage, 'slots ', this.slot, 'videos.length ', this.videos.length)
},
handleClickPrevious() {
this.currentPage--
console.debug('handleclickprevious, ', 'currentPage ', this.currentPage, 'slots ', this.slots, 'videos.length ', this.videos.length)
},
handleClickStripeCollapse() {
this.$store.dispatch('setCallViewMode', { isStripeOpen: !this.stripeOpen })
},
handleMovement() {
// TODO: debounce this
this.setTimerForUiControls()
},
setTimerForUiControls() {
if (this.showVideoOverlayTimer !== null) {
clearTimeout(this.showVideoOverlayTimer)
}
this.showVideoOverlay = true
this.showVideoOverlayTimer = setTimeout(() => { this.showVideoOverlay = false }, 5000)
},
handleClickVideo(event, peerId) {
console.debug('selected-video peer id', peerId)
this.$emit('select-video', peerId)
},
handleClickLocalVideo() {
this.$emit('click-local-video')
},
isSelected(callParticipantModel) {
return callParticipantModel.attributes.peerId === this.$store.getters.selectedVideoPeerId
},
},
}
</script>
<style lang="scss" scoped>
@import '../../../assets/variables';
.grid-main-wrapper {
position: relative;
width: 100%;
}
.grid-main-wrapper.transparent {
background: transparent;
}
.grid-main-wrapper.is-grid {
height: 100%;
}
.wrapper {
width: 100%;
display: flex;
position: relative;
bottom: 0;
left: 0;
flex: 1 0 auto;
}
.grid {
display: grid;
height: 100%;
width: 100%;
grid-row-gap: 8px;
grid-column-gap: 8px;
&.stripe {
padding: 8px 8px 0 0;
}
}
.empty-call-view {
position: relative;
padding: 16px;
}
.local-video-stripe {
width: 300px;
}
.stripe-wrapper {
width: calc(100% - 300px);
position: relative;
}
.dev-mode-video {
&:not(.dev-mode-screenshot) {
border: 1px solid #00FF41;
color: #00FF41;
}
font-size: 30px;
text-align: center;
vertical-align: middle;
position: relative;
&--self {
background-size: cover !important;
& > div {
width: 100%;
bottom: calc(-100% + 50px);
position: relative;
left: calc(50% - 88px);
}
}
img {
object-fit: cover;
height: 100%;
width: 100%;
border-radius: var(--border-radius-large);
}
}
.dev-mode__title {
position: absolute;
left: 44px;
color: #00FF41;
z-index: 100;
line-height: 120px;
font-weight: 900;
font-size: 100px !important;
top: 88px;
opacity: 25%;
}
.dev-mode__data {
font-family: monospace;
position: fixed;
color: #00FF41;
left: 20px;
bottom: 50%;
padding: 20px;
background: rgba(0,0,0,0.8);
border: 1px solid #00FF41;
width: 212px;
font-size: 12px;
z-index: 999999999999999;
& p {
text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
}
}
.video:last-child {
grid-column-end: -1;
}
.grid-navigation {
position: absolute;
width: 44px;
height: 44px;
top: calc(50% - 22px);
z-index: 2;
padding: 0;
margin: 0;
border: 0;
display: flex;
align-items: center;
justify-content: center;
background-color: rgba(0, 0, 0, 0.5) !important;
&:hover,
&:focus {
opacity: 1 !important;
background-color: rgba(0, 0, 0, 0.8) !important;
}
&__previous {
left: -4px;
}
&__next {
right: -4px;
}
}
.grid-navigation__previous.stripe {
left: 8px;
}
.grid-navigation__next.stripe {
right: 16px;
}
.stripe-wrapper .grid-navigation {
top: 16px;
}
.pages-indicator {
position: absolute;
right: 50%;
top: 4px;
display: flex;
background-color: var(--color-background-hover);
height: 44px;
padding: 0 22px;
border-radius: 22px;
&__dot {
width: 8px;
height: 8px;
margin: auto 4px;
border-radius: 4px;
background-color: white;
opacity: 80%;
box-shadow: 0 0 4px black;
&--active {
opacity: 100%;
}
}
}
/** FIXME: replace with nextcloud-vue button */
button.stripe--collapse {
position: absolute;
top: -50px;
right: 0;
width: 44px;
height: 44px;
z-index: 10;
border: 0;
background: none;
opacity: .7;
padding: 0;
.app-content:hover & {
background-color: rgba(0, 0, 0, 0.1) !important;
&:hover,
&:focus {
opacity: 1;
background-color: rgba(0, 0, 0, 0.2) !important;
}
}
&:active {
/* needed again to override default active button style */
background: none;
}
}
</style>
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