mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-10-17 15:41:57 +02:00
82 lines
2.5 KiB
Vue
82 lines
2.5 KiB
Vue
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<template>
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<div class="relative rounded-sm overflow-hidden" :style="{ height: width * 1.6 + 'px', width: width + 'px', maxWidth: width + 'px', minWidth: width + 'px' }">
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<div class="w-full h-full relative">
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<div v-if="showCoverBg" class="bg-primary absolute top-0 left-0 w-full h-full">
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<div class="w-full h-full z-0" ref="coverBg" />
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</div>
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<img ref="cover" :src="cover" @error="imageError" @load="imageLoaded" class="w-full h-full absolute top-0 left-0" :class="showCoverBg ? 'object-contain' : 'object-cover'" />
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</div>
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<div v-if="imageFailed" class="absolute top-0 left-0 right-0 bottom-0 w-full h-full bg-red-100" :style="{ padding: placeholderCoverPadding + 'rem' }">
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<div class="w-full h-full border-2 border-error flex flex-col items-center justify-center">
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<img src="/Logo.png" class="mb-2" :style="{ height: 64 * sizeMultiplier + 'px' }" />
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<p class="text-center font-book text-error" :style="{ fontSize: sizeMultiplier + 'rem' }">Invalid Cover</p>
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</div>
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</div>
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</div>
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</template>
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<script>
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export default {
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props: {
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src: String,
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width: {
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type: Number,
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default: 120
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}
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},
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data() {
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return {
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imageFailed: false,
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showCoverBg: false
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}
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},
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watch: {
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cover() {
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this.imageFailed = false
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}
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},
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computed: {
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cover() {
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return this.src
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},
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sizeMultiplier() {
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return this.width / 120
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},
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placeholderCoverPadding() {
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return 0.8 * this.sizeMultiplier
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}
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},
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methods: {
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setCoverBg() {
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if (this.$refs.coverBg) {
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this.$refs.coverBg.style.backgroundImage = `url("${this.src}")`
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this.$refs.coverBg.style.backgroundSize = 'cover'
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this.$refs.coverBg.style.backgroundPosition = 'center'
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this.$refs.coverBg.style.opacity = 0.25
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this.$refs.coverBg.style.filter = 'blur(1px)'
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}
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},
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imageLoaded() {
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if (this.$refs.cover) {
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var { naturalWidth, naturalHeight } = this.$refs.cover
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var aspectRatio = naturalHeight / naturalWidth
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var arDiff = Math.abs(aspectRatio - 1.6)
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// If image aspect ratio is <= 1.45 or >= 1.75 then use cover bg, otherwise stretch to fit
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if (arDiff > 0.15) {
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this.showCoverBg = true
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this.$nextTick(this.setCoverBg)
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} else {
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this.showCoverBg = false
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}
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}
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},
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imageError(err) {
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console.error('ImgError', err)
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this.imageFailed = true
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}
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},
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mounted() {}
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}
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</script>
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