438 lines
11 KiB
Vue
438 lines
11 KiB
Vue
<template>
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<div class="lightbox-container">
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<!-- Top Toolbar -->
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<v-app-bar
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v-if="fileInfo"
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class="top-toolbar"
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flat
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height="56"
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color="rgba(0,0,0,0.7)"
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dark
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>
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<v-container fluid>
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<v-row align="center" class="pa-2">
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<v-col cols="12" md="4">
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<div class="d-flex align-center gap-2">
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<v-icon>mdi-file</v-icon>
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<span>{{ fileInfo.name || "File" }}</span>
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</div>
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</v-col>
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<v-col cols="12" md="8">
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<div class="d-flex align-center justify-end gap-4">
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<span>{{ fileInfo.mimeType }} ({{ fileType }})</span>
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<span>{{ formatBytes(fileInfo.size) }}</span>
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<span>{{ new Date(fileInfo.createdAt).toLocaleString() }}</span>
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<v-btn icon size="small" density="compact" @click="handleDownload">
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<v-icon>mdi-download</v-icon>
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</v-btn>
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<v-btn icon size="small" density="compact" @click="infoDialog = true">
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<v-icon>mdi-information</v-icon>
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</v-btn>
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</div>
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</v-col>
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</v-row>
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</v-container>
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</v-app-bar>
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<!-- Main Content - File Preview -->
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<div class="preview-container">
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<v-progress-circular
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v-if="!fileInfo && !error"
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indeterminate
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size="64"
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class="loading-spinner"
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></v-progress-circular>
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<v-alert
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v-else-if="error"
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type="error"
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title="No file was found"
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:text="error"
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class="error-alert"
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></v-alert>
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<div v-else class="preview-content">
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<div v-if="fileInfo?.isEncrypted" class="encrypted-notice">
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<v-alert type="info" title="Encrypted file" class="mb-4">
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The file has been encrypted. Preview not available. Please enter the
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password to download it.
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</v-alert>
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</div>
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<div v-else class="file-preview">
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<v-img
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v-if="fileType === 'image'"
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:src="fileSource"
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class="preview-image"
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contain
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/>
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<video
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v-else-if="fileType === 'video'"
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:src="fileSource"
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controls
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class="preview-video"
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/>
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<audio
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v-else-if="fileType === 'audio'"
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:src="fileSource"
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controls
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class="preview-audio"
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/>
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<v-alert
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v-else
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type="warning"
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title="Preview Unavailable"
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text="How can you preview this file?"
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class="preview-unavailable"
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/>
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</div>
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</div>
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</div>
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<!-- Password Dialog -->
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<v-dialog v-model="secretDialog" max-width="400">
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<v-card>
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<v-card-title>
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<v-icon left>mdi-lock</v-icon>
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Enter Password
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</v-card-title>
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<v-card-text>
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<v-text-field
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v-model="dialogPassword"
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label="Password"
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type="password"
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variant="outlined"
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autofocus
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@keyup.enter="confirmDownload"
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/>
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</v-card-text>
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<v-card-actions>
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<v-spacer></v-spacer>
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<v-btn @click="secretDialog = false">Cancel</v-btn>
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<v-btn color="primary" @click="confirmDownload">Download</v-btn>
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</v-card-actions>
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</v-card>
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</v-dialog>
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<!-- Technical Details Dialog -->
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<v-dialog v-model="infoDialog" max-width="640">
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<v-card title="File Information" prepend-icon="mdi-information">
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<v-card-text>
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<div class="mb-4">
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<b>FID</b> <span class="font-mono">#{{ fileInfo?.id }}</span>
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</div>
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<div class="mb-4">
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<strong>Metadata:</strong>
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</div>
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<v-card variant="outlined" class="pa-2">
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<pre
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class="overflow-x-auto text-body-2"
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><code>{{ JSON.stringify(fileInfo?.fileMeta, null, 2) }}</code></pre>
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</v-card>
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</v-card-text>
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<v-card-actions>
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<v-spacer></v-spacer>
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<v-btn @click="infoDialog = false">Close</v-btn>
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</v-card-actions>
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</v-card>
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</v-dialog>
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<!-- View Transition Overlay -->
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<div
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v-if="isTransitioning"
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class="transition-overlay"
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:style="transitionStyle"
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>
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<img
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:src="transitionImage"
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class="transition-image"
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alt="Transitioning image"
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/>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { useRoute } from "vue-router"
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import { computed, onMounted, ref } from "vue"
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import { downloadAndDecryptFile } from "./secure"
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import { formatBytes } from "./format"
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import type { SnCloudFile } from "~/types/api/post"
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const route = useRoute()
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const error = ref<string | null>(null)
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const fileId = route.params.id
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const passcode = route.query.passcode as string | undefined
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const progress = ref<number | undefined>(0)
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const infoDialog = ref<boolean>(false)
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const secretDialog = ref<boolean>(false)
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const dialogPassword = ref<string>("")
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// View transition state
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const isTransitioning = ref<boolean>(false)
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const transitionImage = ref<string>("")
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const transitionStyle = ref<Record<string, string | number>>({})
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const api = useSolarNetwork()
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const fileInfo = ref<SnCloudFile | null>(null)
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useHead({
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title: computed(() => fileInfo.value?.name ? `${fileInfo.value.name} - File Preview` : 'File Preview')
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})
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async function fetchFileInfo() {
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try {
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let url = "/drive/files/" + fileId + "/info"
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if (passcode) {
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url += `?passcode=${passcode}`
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}
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const resp = await api<SnCloudFile>(url)
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fileInfo.value = resp
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} catch (err) {
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error.value = (err as Error).message
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}
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}
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function checkForTransition() {
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const transitionData = sessionStorage.getItem('imageTransition')
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if (transitionData) {
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try {
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const data = JSON.parse(transitionData)
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isTransitioning.value = true
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transitionImage.value = data.src
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// Calculate final position (centered in viewport)
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const viewportWidth = window.innerWidth
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const viewportHeight = window.innerHeight
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const finalWidth = Math.min(viewportWidth * 0.9, data.width * (viewportHeight / data.height))
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const finalHeight = finalWidth / data.aspectRatio
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const finalX = (viewportWidth - finalWidth) / 2
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const finalY = (viewportHeight - finalHeight) / 2
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// Set initial position (from original image location)
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transitionStyle.value = {
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position: 'fixed',
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top: `${data.y}px`,
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left: `${data.x}px`,
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width: `${data.width}px`,
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height: `${data.height}px`,
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zIndex: 9999,
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transition: 'all 0.3s ease-out'
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}
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// Animate to final position
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requestAnimationFrame(() => {
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transitionStyle.value = {
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...transitionStyle.value,
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top: `${finalY}px`,
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left: `${finalX}px`,
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width: `${finalWidth}px`,
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height: `${finalHeight}px`
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}
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// Hide transition after animation
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setTimeout(() => {
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isTransitioning.value = false
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sessionStorage.removeItem('imageTransition')
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}, 300)
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})
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} catch (error) {
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console.warn('Failed to parse transition data:', error)
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sessionStorage.removeItem('imageTransition')
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}
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}
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}
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onMounted(() => {
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fetchFileInfo()
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checkForTransition()
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})
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const apiBase = useSolarNetworkUrl()
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const fileType = computed(() => {
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if (!fileInfo.value) return "unknown"
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return fileInfo.value.mimeType?.split("/")[0] || "unknown"
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})
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const fileSource = computed(() => {
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let url = `${apiBase}/drive/files/${fileId}?original=true`
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if (passcode) {
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url += `?passcode=${passcode}`
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}
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return url
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})
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function handleDownload() {
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if (fileInfo.value!.isEncrypted) {
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secretDialog.value = true
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dialogPassword.value = ""
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} else {
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performDownload("")
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}
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}
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async function confirmDownload() {
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if (!dialogPassword.value.trim()) {
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return
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}
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secretDialog.value = false
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await performDownload(dialogPassword.value)
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}
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async function performDownload(password: string) {
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if (fileInfo.value!.isEncrypted) {
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downloadAndDecryptFile(
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fileSource.value,
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password,
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fileInfo.value!.name,
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(p: number) => {
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progress.value = p * 100
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}
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).catch((err: Error) => {
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alert("Download failed: " + err.message)
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progress.value = undefined
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})
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} else {
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const res = await fetch(fileSource.value)
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if (!res.ok) {
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throw new Error(
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`Failed to download ${fileInfo.value!.name}: ${res.statusText}`
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)
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}
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const contentLength = res.headers.get("content-length")
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if (!contentLength) {
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throw new Error("Content-Length response header is missing.")
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}
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const total = parseInt(contentLength, 10)
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const reader = res.body!.getReader()
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const chunks: Uint8Array[] = []
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let received = 0
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while (true) {
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const { done, value } = await reader.read()
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if (done) break
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if (value) {
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chunks.push(value)
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received += value.length
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progress.value = (received / total) * 100
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}
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}
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const blob = new Blob(chunks as BlobPart[])
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const blobUrl = window.URL.createObjectURL(blob)
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const a = document.createElement("a")
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a.href = blobUrl
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a.download =
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fileInfo.value!.name ||
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"download." + fileInfo.value!.mimeType.split("/")[1]
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document.body.appendChild(a)
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a.click()
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a.remove()
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window.URL.revokeObjectURL(blobUrl)
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}
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}
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definePageMeta({
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layout: "minimal"
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})
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</script>
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<style scoped>
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.lightbox-container {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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background: rgba(0, 0, 0, 0.9);
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display: flex;
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flex-direction: column;
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z-index: 1000;
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}
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.top-toolbar {
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position: relative;
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z-index: 1001;
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backdrop-filter: blur(10px);
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}
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.preview-container {
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 20px;
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overflow: auto;
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}
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.preview-content {
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.file-preview {
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width: 100%;
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height: 100%;
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max-width: calc(100vw - 40px);
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max-height: calc(
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100vh - 88px
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); /* Account for top toolbar (48px) + padding (40px) */
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.preview-image {
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width: 100%;
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height: 100%;
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object-fit: contain;
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}
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.preview-video,
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.preview-audio {
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max-width: 100%;
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max-height: 100%;
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}
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.preview-unavailable {
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max-width: 500px;
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}
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.loading-spinner {
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color: white;
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}
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.error-alert {
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max-width: 500px;
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}
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.encrypted-notice {
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max-width: 500px;
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}
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/* Ensure toolbar doesn't interfere with content */
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.top-toolbar :deep(.v-app-bar__content) {
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padding: 0;
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}
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/* View transition styles */
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.transition-overlay {
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pointer-events: none;
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z-index: 9999;
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}
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.transition-image {
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width: 100%;
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height: 100%;
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object-fit: cover;
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border-radius: 4px;
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}
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</style>
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