audiobookshelf/client/components/cards/GroupCover.vue

332 lines
11 KiB
Vue

<template>
<div ref="wrapper" :style="{ height: height + 'px', width: width + 'px' }" class="relative" @mouseover="mouseoverCover" @mouseleave="mouseleaveCover">
<div v-if="noValidCovers" class="absolute top-0 left-0 w-full h-full flex items-center justify-center box-shadow-book" :style="{ padding: `${sizeMultiplier}rem` }">
<p :style="{ fontSize: sizeMultiplier + 'rem' }">{{ name }}</p>
</div>
</div>
</template>
<script>
export default {
props: {
name: String,
bookItems: {
type: Array,
default: () => []
},
width: Number,
height: Number,
groupTo: String
},
data() {
return {
noValidCovers: false,
coverDiv: null,
isHovering: false,
coverWrapperEl: null,
coverImageEls: [],
coverWidth: 0,
offsetIncrement: 0,
isFannedOut: false,
isDetached: false,
isAttaching: false
}
},
watch: {
bookItems: {
immediate: true,
handler(newVal) {
if (newVal) {
// ensure wrapper is initialized
this.$nextTick(this.init)
}
}
}
},
computed: {
sizeMultiplier() {
return this.width / 192
},
showExperimentalFeatures() {
return this.$store.state.showExperimentalFeatures
}
},
methods: {
mouseoverCover() {
if (this.showExperimentalFeatures) this.setHover(true)
},
mouseleaveCover() {
if (this.showExperimentalFeatures) this.setHover(false)
},
detchCoverWrapper() {
if (!this.coverWrapperEl || !this.$refs.wrapper || this.isDetached) return
this.coverWrapperEl.remove()
this.isDetached = true
document.body.appendChild(this.coverWrapperEl)
this.coverWrapperEl.addEventListener('mouseleave', this.mouseleaveCover)
this.coverWrapperEl.style.position = 'absolute'
this.coverWrapperEl.style.zIndex = 40
this.updatePosition()
},
attachCoverWrapper() {
if (!this.coverWrapperEl || !this.$refs.wrapper || !this.isDetached) return
this.coverWrapperEl.remove()
this.coverWrapperEl.style.position = 'relative'
this.coverWrapperEl.style.left = 'unset'
this.coverWrapperEl.style.top = 'unset'
this.coverWrapperEl.style.width = this.$refs.wrapper.clientWidth + 'px'
this.$refs.wrapper.appendChild(this.coverWrapperEl)
console.log('Appended to wrapper', this.$refs.wrapper.children)
this.isDetached = false
},
updatePosition() {
var rect = this.$refs.wrapper.getBoundingClientRect()
this.coverWrapperEl.style.top = rect.top + window.scrollY + 'px'
this.coverWrapperEl.style.left = rect.left + window.scrollX + 4 + 'px'
this.coverWrapperEl.style.height = rect.height + 'px'
this.coverWrapperEl.style.width = rect.width + 'px'
},
setHover(val) {
if (this.isAttaching) return
if (val && !this.isHovering) {
this.detchCoverWrapper()
this.fanOutCovers()
} else if (!val && this.isHovering) {
this.isAttaching = true
this.reverseFan()
setTimeout(() => {
this.attachCoverWrapper()
this.isAttaching = false
}, 100)
}
this.isHovering = val
},
fanOutCovers() {
if (this.coverImageEls.length < 2 || this.isFannedOut) return
this.isFannedOut = true
var fanCoverWidth = this.coverWidth * 0.75
var maximumWidth = window.innerWidth - 80
var totalFanWidth = (this.coverImageEls.length + 1) * fanCoverWidth
// If Fan width is too large, set new fan cover width
if (totalFanWidth > maximumWidth) {
fanCoverWidth = maximumWidth / (this.coverImageEls.length + 1)
}
var fanWidth = (this.coverImageEls.length - 1) * fanCoverWidth
var offsetLeft = (-1 * fanWidth) / 2
var rect = this.$refs.wrapper.getBoundingClientRect()
// If fan is going off page left or right, make adjustment
var leftEdge = rect.left + offsetLeft
var rightEdge = rect.left + rect.width - offsetLeft
if (leftEdge < 0) {
offsetLeft += leftEdge * -1
}
if (rightEdge + 80 > window.innerWidth) {
var difference = rightEdge + 80 - window.innerWidth
offsetLeft -= difference / 2
}
for (let i = 0; i < this.coverImageEls.length; i++) {
var coverEl = this.coverImageEls[i]
// Series name card pop out further
if (i === this.coverImageEls.length - 1) {
offsetLeft += fanCoverWidth * 0.25
}
coverEl.style.transform = `translateX(${offsetLeft}px)`
offsetLeft += fanCoverWidth
var coverOverlay = document.createElement('div')
coverOverlay.className = 'absolute top-0 left-0 w-full h-full hover:bg-black hover:bg-opacity-40 text-white text-opacity-0 hover:text-opacity-100 flex items-center justify-center cursor-pointer'
if (coverEl.dataset.volumeNumber) {
var pEl = document.createElement('p')
pEl.className = 'text-2xl'
pEl.textContent = `#${coverEl.dataset.volumeNumber}`
coverOverlay.appendChild(pEl)
}
if (coverEl.dataset.audiobookId) {
let audiobookId = coverEl.dataset.audiobookId
coverOverlay.addEventListener('click', (e) => {
this.$router.push(`/audiobook/${audiobookId}`)
e.stopPropagation()
e.preventDefault()
})
} else {
// Is Series
coverOverlay.addEventListener('click', (e) => {
this.$router.push(this.groupTo)
e.stopPropagation()
e.preventDefault()
})
}
coverEl.appendChild(coverOverlay)
}
},
reverseFan() {
if (this.coverImageEls.length < 2 || !this.isFannedOut) return
this.isFannedOut = false
for (let i = 0; i < this.coverImageEls.length; i++) {
var coverEl = this.coverImageEls[i]
coverEl.style.transform = 'translateX(0px)'
if (coverEl.lastChild) coverEl.lastChild.remove() // Remove cover overlay
}
},
getCoverUrl(book) {
return this.$store.getters['audiobooks/getBookCoverSrc'](book, '')
},
async buildCoverImg(coverData, bgCoverWidth, offsetLeft, zIndex, forceCoverBg = false) {
var src = coverData.coverUrl
var showCoverBg =
forceCoverBg ||
(await new Promise((resolve) => {
var image = new Image()
image.onload = () => {
var { naturalWidth, naturalHeight } = image
var aspectRatio = naturalHeight / naturalWidth
var arDiff = Math.abs(aspectRatio - 1.6)
// If image aspect ratio is <= 1.45 or >= 1.75 then use cover bg, otherwise stretch to fit
if (arDiff > 0.15) {
resolve(true)
} else {
resolve(false)
}
}
image.onerror = (err) => {
console.error(err)
resolve(false)
}
image.src = src
}))
var imgdiv = document.createElement('div')
imgdiv.style.height = this.height + 'px'
imgdiv.style.width = bgCoverWidth + 'px'
imgdiv.style.left = offsetLeft + 'px'
imgdiv.style.zIndex = zIndex
imgdiv.dataset.audiobookId = coverData.id
imgdiv.dataset.volumeNumber = coverData.volumeNumber || ''
imgdiv.className = 'absolute top-0 box-shadow-book transition-transform'
imgdiv.style.boxShadow = '4px 0px 4px #11111166'
// imgdiv.style.transform = 'skew(0deg, 15deg)'
if (showCoverBg) {
var coverbgwrapper = document.createElement('div')
coverbgwrapper.className = 'absolute top-0 left-0 w-full h-full bg-primary'
var coverbg = document.createElement('div')
coverbg.className = 'w-full h-full'
coverbg.style.backgroundImage = `url("${src}")`
coverbg.style.backgroundSize = 'cover'
coverbg.style.backgroundPosition = 'center'
coverbg.style.opacity = 0.25
coverbg.style.filter = 'blur(1px)'
coverbgwrapper.appendChild(coverbg)
imgdiv.appendChild(coverbgwrapper)
}
var img = document.createElement('img')
img.src = src
img.className = 'absolute top-0 left-0 w-full h-full'
img.style.objectFit = showCoverBg ? 'contain' : 'cover'
imgdiv.appendChild(img)
return imgdiv
},
createSeriesNameCover(offsetLeft) {
var imgdiv = document.createElement('div')
imgdiv.style.height = this.height + 'px'
imgdiv.style.width = this.height / 1.6 + 'px'
imgdiv.style.left = offsetLeft + 'px'
imgdiv.className = 'absolute top-0 box-shadow-book transition-transform flex items-center justify-center'
imgdiv.style.boxShadow = '4px 0px 4px #11111166'
imgdiv.style.backgroundColor = '#111'
var innerP = document.createElement('p')
innerP.textContent = this.name
innerP.className = 'text-sm font-book text-white'
imgdiv.appendChild(innerP)
return imgdiv
},
async init() {
if (this.coverDiv) {
this.coverDiv.remove()
this.coverDiv = null
}
var validCovers = this.bookItems
.map((bookItem) => {
return {
id: bookItem.id,
volumeNumber: bookItem.book ? bookItem.book.volumeNumber : null,
coverUrl: this.getCoverUrl(bookItem)
}
})
.filter((b) => b.coverUrl !== '')
if (!validCovers.length) {
this.noValidCovers = true
return
}
this.noValidCovers = false
var coverWidth = this.width
var widthPer = this.width
if (validCovers.length > 1) {
coverWidth = this.height / 1.6
widthPer = (this.width - coverWidth) / (validCovers.length - 1)
}
this.coverWidth = coverWidth
this.offsetIncrement = widthPer
var outerdiv = document.createElement('div')
this.coverWrapperEl = outerdiv
outerdiv.className = 'w-full h-full relative'
var coverImageEls = []
var offsetLeft = 0
for (let i = 0; i < validCovers.length; i++) {
offsetLeft = widthPer * i
var zIndex = validCovers.length - i
var img = await this.buildCoverImg(validCovers[i], coverWidth, offsetLeft, zIndex, validCovers.length === 1)
outerdiv.appendChild(img)
coverImageEls.push(img)
}
if (this.showExperimentalFeatures) {
var seriesNameCover = this.createSeriesNameCover(offsetLeft)
outerdiv.appendChild(seriesNameCover)
coverImageEls.push(seriesNameCover)
}
this.coverImageEls = coverImageEls
if (this.$refs.wrapper) {
this.coverDiv = outerdiv
this.$refs.wrapper.appendChild(outerdiv)
}
}
},
mounted() {},
beforeDestroy() {
if (this.coverWrapperEl) this.coverWrapperEl.remove()
}
}
</script>