peertube-plugin-livechat/client/videowatch-client-plugin.ts
John Livingston f28fbf7ed3
New buttons.
2021-11-25 16:56:32 +01:00

367 lines
12 KiB
TypeScript

import type { ChatType } from 'shared/lib/types'
import { videoHasWebchat } from 'shared/lib/video'
import { AutoColors, isAutoColorsAvailable, areAutoColorsValid } from 'shared/lib/autocolors'
import { closeSVG, openBlankChatSVG, openChatSVG, SVGButton } from './videowatch/buttons'
interface VideoWatchLoadedHookOptions {
videojs: any
video: Video
playlist?: any
}
function register ({ registerHook, peertubeHelpers }: RegisterOptions): void {
const logger = {
log: (s: string) => console.log('[peertube-plugin-livechat] ' + s),
info: (s: string) => console.info('[peertube-plugin-livechat] ' + s),
error: (s: string) => console.error('[peertube-plugin-livechat] ' + s),
warn: (s: string) => console.warn('[peertube-plugin-livechat] ' + s)
}
let settings: any = {}
function getBaseRoute (): string {
// NB: this will come with Peertube > 3.2.1 (3.3.0?)
if (peertubeHelpers.getBaseRouterRoute) {
return peertubeHelpers.getBaseRouterRoute()
}
// We are guessing the route with the correct plugin version with this trick:
const staticBase = peertubeHelpers.getBaseStaticRoute()
// we can't use '/plugins/livechat/router', because the loaded html page needs correct relative paths.
return staticBase.replace(/\/static.*$/, '/router')
}
function getIframeUri (video: Video): string | null {
if (!settings) {
logger.error('Settings are not initialized, too soon to compute the iframeUri')
return null
}
let iframeUri = ''
const chatType: ChatType = (settings['chat-type'] ?? 'disabled') as ChatType
if (chatType === 'builtin-prosody' || chatType === 'builtin-converse') {
// Using the builtin converseJS
iframeUri = getBaseRoute() + '/webchat/room/' + encodeURIComponent(video.uuid)
} else if (chatType === 'external-uri') {
iframeUri = settings['chat-uri'] || ''
iframeUri = iframeUri.replace(/{{VIDEO_UUID}}/g, encodeURIComponent(video.uuid))
if (iframeUri.includes('{{CHANNEL_ID}}')) {
if (!video.channel || !video.channel.id) {
logger.error('Missing channel info in video object.')
return null
}
iframeUri = iframeUri.replace(/{{CHANNEL_ID}}/g, encodeURIComponent(video.channel.id))
}
if (!/^https?:\/\//.test(iframeUri)) {
logger.error('The webchaturi must begin with https://')
return null
}
} else {
logger.error('Chat disabled.')
return null
}
if (iframeUri === '') {
logger.error('No iframe uri')
return null
}
if (
settings['converse-autocolors'] &&
isAutoColorsAvailable(settings['chat-type'] as ChatType, settings['converse-theme'])
) {
logger.info('We have to try to compute autocolors.')
try {
const autocolors = computeAutoColors()
if (autocolors) {
const url = new URL(iframeUri, window.location.origin)
for (const p in autocolors) {
url.searchParams.set('_ac_' + p, autocolors[p as keyof AutoColors])
}
iframeUri = url.href
}
} catch (err) {
logger.error(`Failed computing autocolors: '${err as string}'`)
}
}
return iframeUri
}
function computeAutoColors (): AutoColors | null {
if (!window.getComputedStyle) {
logger.warn('[AutoColors] getComputedStyle is not available, aborting.')
return null
}
const styles = window.getComputedStyle(document.body)
// Peertube has no CSS variable for the button color...
// Computing by hand.
// Searching for one of these button:
const button = document.querySelector('.publish-button') ?? document.querySelector('.peertube-button-link')
if (!button) {
logger.warn('[AutoColors] Cant find a button, aborting.')
return null
}
const buttonStyles = window.getComputedStyle(button)
const autocolors: AutoColors = {
mainForeground: styles.getPropertyValue('--mainForegroundColor'),
mainBackground: styles.getPropertyValue('--mainBackgroundColor'),
greyForeground: styles.getPropertyValue('--greyForegroundColor'),
greyBackground: styles.getPropertyValue('--greyBackgroundColor'),
menuForeground: styles.getPropertyValue('--menuForegroundColor'),
menuBackground: styles.getPropertyValue('--menuBackgroundColor'),
inputForeground: styles.getPropertyValue('--inputForegroundColor'),
inputBackground: styles.getPropertyValue('--inputBackgroundColor'),
buttonForeground: buttonStyles.color,
buttonBackground: styles.getPropertyValue('--mainColor'),
link: styles.getPropertyValue('--mainForegroundColor'),
linkHover: styles.getPropertyValue('--mainForegroundColor')
}
const autoColorsTest = areAutoColorsValid(autocolors)
if (autoColorsTest !== true) {
logger.warn('[AutoColors] Computed colors are not valid, dropping. Invalid values: ' + autoColorsTest.join(', '))
return null
}
return autocolors
}
function displayButton (
buttonContainer: HTMLElement,
name: string,
label: string,
callback: () => void | boolean,
icon?: SVGButton,
additionalClasses?: string[]
): void {
const button = document.createElement('a')
button.classList.add(
'orange-button', 'peertube-button-link',
'peertube-plugin-livechat-button',
'peertube-plugin-livechat-button-' + name
)
if (additionalClasses) {
for (let i = 0; i < additionalClasses.length; i++) {
button.classList.add(additionalClasses[i])
}
}
button.onclick = callback
if (icon) {
try {
const svg = icon()
const tmp = document.createElement('span')
tmp.innerHTML = svg.trim()
const svgDom = tmp.firstChild
if (svgDom) {
button.prepend(svgDom)
}
} catch (err) {
logger.error('Failed to generate the ' + name + ' button: ' + (err as string))
}
button.setAttribute('title', label)
} else {
button.textContent = label
}
buttonContainer.append(button)
}
async function insertChatDom (container: HTMLElement, video: Video, showOpenBlank: boolean): Promise<void> {
logger.log('Adding livechat in the DOM...')
const p = new Promise<void>((resolve, reject) => {
// eslint-disable-next-line @typescript-eslint/no-floating-promises
Promise.all([
peertubeHelpers.translate('Open chat'),
peertubeHelpers.translate('Open chat in a new window'),
peertubeHelpers.translate('Close chat')
]).then(labels => {
const labelOpen = labels[0]
const labelOpenBlank = labels[1]
const labelClose = labels[2]
const iframeUri = getIframeUri(video)
if (!iframeUri) {
return reject(new Error('No uri, cant display the buttons.'))
}
const buttonContainer = document.createElement('div')
buttonContainer.classList.add('peertube-plugin-livechat-buttons')
container.append(buttonContainer)
if (showOpenBlank) {
displayButton(
buttonContainer, 'open',
labelOpen, () => openChat(video),
openChatSVG,
['peertube-plugin-livechat-multi-button-main']
)
displayButton(
buttonContainer, 'openblank',
labelOpenBlank, () => {
closeChat()
window.open(iframeUri)
},
openBlankChatSVG,
['peertube-plugin-livechat-multi-button-secondary']
)
} else {
displayButton(buttonContainer, 'open', labelOpen, () => openChat(video), openChatSVG)
}
displayButton(buttonContainer, 'close', labelClose, () => closeChat(), closeSVG)
resolve()
})
})
return p
}
function openChat (video: Video): void | boolean {
if (!video) {
logger.log('No video.')
return false
}
logger.info('Trying to load the chat for video ' + video.uuid + '.')
const iframeUri = getIframeUri(video)
if (!iframeUri) {
logger.error('Incorrect iframe uri')
return false
}
const additionalStyles = settings['chat-style'] || ''
logger.info('Opening the chat...')
const container = document.getElementById('peertube-plugin-livechat-container')
if (!container) {
logger.error('Cant found the livechat container.')
return false
}
if (container.querySelector('iframe')) {
logger.error('Seems that there is already an iframe in the container.')
return false
}
// Creating the iframe...
const iframe = document.createElement('iframe')
iframe.setAttribute('src', iframeUri)
iframe.setAttribute('sandbox', 'allow-same-origin allow-scripts allow-popups allow-forms')
iframe.setAttribute('frameborder', '0')
if (additionalStyles) {
iframe.setAttribute('style', additionalStyles)
}
container.append(iframe)
container.setAttribute('peertube-plugin-livechat-state', 'open')
// Hacking styles...
hackStyles(true)
}
function closeChat (): void {
const container = document.getElementById('peertube-plugin-livechat-container')
if (!container) {
logger.error('Cant close livechat, container not found.')
return
}
container.querySelectorAll('iframe')
.forEach(dom => dom.remove())
container.setAttribute('peertube-plugin-livechat-state', 'closed')
// Un-Hacking styles...
hackStyles(false)
}
function initChat (video: Video): void {
if (!video) {
logger.error('No video provided')
return
}
const placeholder = document.getElementById('plugin-placeholder-player-next')
if (!placeholder) {
logger.error('The required placeholder div is not present in the DOM.')
return
}
let container = placeholder.querySelector('#peertube-plugin-livechat-container')
if (container) {
logger.log('The chat seems already initialized...')
return
}
container = document.createElement('div')
container.setAttribute('id', 'peertube-plugin-livechat-container')
container.setAttribute('peertube-plugin-livechat-state', 'initializing')
placeholder.append(container)
peertubeHelpers.getSettings().then((s: any) => {
settings = s
logger.log('Checking if this video should have a chat...')
if (!videoHasWebchat(s, video)) {
logger.log('This video has no webchat')
return
}
insertChatDom(container as HTMLElement, video, !!settings['chat-open-blank']).then(() => {
if (settings['chat-auto-display']) {
openChat(video)
} else if (container) {
container.setAttribute('peertube-plugin-livechat-state', 'closed')
}
}, () => {
logger.error('insertChatDom has failed')
})
}, () => {
logger.error('Cant get settings')
})
}
let savedMyPluginFlexGrow: string | undefined
function hackStyles (on: boolean): void {
try {
document.querySelectorAll('.peertube-plugin-livechat-buttons').forEach(buttons => {
if (on) {
buttons.classList.add('peertube-plugin-livechat-buttons-open')
} else {
buttons.classList.remove('peertube-plugin-livechat-buttons-open')
}
})
const myPluginPlaceholder: HTMLElement | null = document.querySelector('my-plugin-placeholder')
if (on) {
// Saving current style attributes and maximazing space for the chat
if (myPluginPlaceholder) {
savedMyPluginFlexGrow = myPluginPlaceholder.style.flexGrow // Should be "", but can be anything else.
myPluginPlaceholder.style.flexGrow = '1'
}
} else {
// restoring values...
if (savedMyPluginFlexGrow !== undefined && myPluginPlaceholder) {
myPluginPlaceholder.style.flexGrow = savedMyPluginFlexGrow
}
}
} catch (err) {
logger.error(`Failed hacking styles: '${err as string}'`)
}
}
registerHook({
target: 'action:video-watch.video.loaded',
handler: ({
video,
playlist
}: VideoWatchLoadedHookOptions) => {
if (!video) {
logger.error('No video argument in hook action:video-watch.video.loaded')
return
}
if (playlist) {
logger.info('We are in a playlist, we will not use the webchat')
return
}
initChat(video)
}
})
}
export {
register
}