audiobookshelf/client/plugins/chromecast.js

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export default (ctx) => {
var sendInit = async (castContext) => {
// Fetch background covers for chromecast (temp)
var covers = await ctx.$axios.$get(`/api/libraries/${ctx.$store.state.libraries.currentLibraryId}/books/all?limit=40&minified=1`).then((data) => {
return data.results.filter((b) => b.book.cover).map((ab) => {
var coverUrl = ctx.$store.getters['audiobooks/getLibraryItemCoverSrc'](ab)
if (process.env.NODE_ENV === 'development') return coverUrl
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return `${window.location.origin}${coverUrl}`
})
}).catch((error) => {
console.error('failed to fetch books', error)
return null
})
// Custom message to receiver
var castSession = castContext.getCurrentSession()
castSession.sendMessage('urn:x-cast:com.audiobookshelf.cast', {
covers
})
}
var initializeCastApi = () => {
var castContext = cast.framework.CastContext.getInstance()
castContext.setOptions({
receiverApplicationId: process.env.chromecastReceiver,
autoJoinPolicy: chrome.cast.AutoJoinPolicy.ORIGIN_SCOPED
});
castContext.addEventListener(
cast.framework.CastContextEventType.SESSION_STATE_CHANGED,
(event) => {
console.log('Session state changed event', event)
switch (event.sessionState) {
case cast.framework.SessionState.SESSION_STARTED:
console.log('[chromecast] CAST SESSION STARTED')
ctx.$store.commit('globals/setCasting', true)
sendInit(castContext)
setTimeout(() => {
ctx.$eventBus.$emit('cast-session-active', true)
}, 500)
break;
case cast.framework.SessionState.SESSION_RESUMED:
console.log('[chromecast] CAST SESSION RESUMED')
setTimeout(() => {
ctx.$eventBus.$emit('cast-session-active', true)
}, 500)
break;
case cast.framework.SessionState.SESSION_ENDED:
console.log('[chromecast] CAST SESSION DISCONNECTED')
ctx.$store.commit('globals/setCasting', false)
ctx.$eventBus.$emit('cast-session-active', false)
break;
}
})
ctx.$store.commit('globals/setChromecastInitialized', true)
var player = new cast.framework.RemotePlayer()
var playerController = new cast.framework.RemotePlayerController(player)
ctx.$root.castPlayer = player
ctx.$root.castPlayerController = playerController
}
window['__onGCastApiAvailable'] = function (isAvailable) {
if (isAvailable) {
initializeCastApi()
}
}
var script = document.createElement('script')
script.type = 'text/javascript'
script.src = 'https://www.gstatic.com/cv/js/sender/v1/cast_sender.js?loadCastFramework=1'
document.head.appendChild(script)
}