mirror of
https://git.fightbot.fun/hxuanyu/BingPaper.git
synced 2026-02-15 11:39:32 +08:00
508 lines
17 KiB
Vue
508 lines
17 KiB
Vue
<template>
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<div class="fixed inset-0 bg-black z-50 overflow-hidden">
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<!-- 加载状态 -->
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<div v-if="loading" class="absolute inset-0 flex items-center justify-center">
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<div class="w-16 h-16 border-4 border-white/20 border-t-white rounded-full animate-spin"></div>
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</div>
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<!-- 主要内容 -->
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<div v-else-if="image" class="relative h-full w-full">
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<!-- 全屏图片 -->
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<div class="absolute inset-0 flex items-center justify-center">
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<img
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:src="getFullImageUrl()"
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:alt="image.title || 'Bing Image'"
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class="max-w-full max-h-full object-contain"
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/>
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</div>
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<!-- 顶部工具栏 -->
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<div
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v-show="!showCalendar"
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class="absolute top-0 left-0 right-0 bg-gradient-to-b from-black/80 to-transparent p-6 z-10 transition-opacity duration-300"
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:class="{ 'opacity-0 pointer-events-none': showCalendar }"
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>
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<div class="flex items-center justify-between max-w-7xl mx-auto">
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<button
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@click="goBack"
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class="flex items-center gap-2 px-4 py-2 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all"
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>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"></path>
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</svg>
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<span>返回</span>
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</button>
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<div class="text-white/80 text-sm">
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{{ formatDate(image.date) }}
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</div>
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</div>
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</div>
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<!-- 信息悬浮层（类似 Windows 聚焦） -->
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<div
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v-if="showInfo && !showCalendar"
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ref="infoPanel"
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class="fixed w-[90%] max-w-md bg-black/40 backdrop-blur-lg rounded-xl p-4 z-20 select-none"
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:class="{
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'opacity-100': showInfo && !showCalendar,
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'opacity-0 pointer-events-none': showCalendar,
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'transition-opacity duration-300': !isDragging
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}"
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:style="{
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transform: `translate(${infoPanelPos.x}px, ${infoPanelPos.y}px)`,
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willChange: isDragging ? 'transform' : 'auto'
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}"
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>
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<!-- 拖动手柄 -->
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<div
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@mousedown="startDrag"
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@touchstart="startDrag"
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class="absolute top-2 left-1/2 -translate-x-1/2 w-12 h-1 bg-white/30 rounded-full cursor-move hover:bg-white/50 transition-colors touch-none"
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></div>
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<h2 class="text-lg font-bold text-white mb-2 mt-2">
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{{ image.title || '未命名' }}
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</h2>
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<p v-if="image.copyright" class="text-white/80 text-xs mb-3 leading-relaxed">
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{{ image.copyright }}
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</p>
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<!-- 版权详情链接 -->
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<a
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v-if="image.copyrightlink"
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:href="image.copyrightlink"
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target="_blank"
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class="inline-flex items-center gap-2 px-3 py-1.5 bg-white/15 hover:bg-white/25 text-white rounded-lg text-xs font-medium transition-all group"
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>
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<span>了解更多</span>
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<svg class="w-3 h-3 transform group-hover:translate-x-1 transition-transform" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7l5 5m0 0l-5 5m5-5H6"></path>
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</svg>
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</a>
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<!-- 切换信息显示按钮 -->
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<button
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@click="showInfo = false"
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class="absolute top-3 right-3 p-1.5 hover:bg-white/10 rounded-lg transition-all"
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>
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<svg class="w-4 h-4 text-white/80" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
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</svg>
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</button>
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</div>
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<!-- 底部控制栏 -->
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<div
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v-show="!showCalendar"
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class="absolute bottom-0 left-0 right-0 bg-gradient-to-t from-black/80 to-transparent p-6 z-10 transition-opacity duration-300"
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:class="{ 'opacity-0 pointer-events-none': showCalendar }"
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>
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<div class="flex items-center justify-between max-w-7xl mx-auto">
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<!-- 日期切换按钮 -->
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<div class="flex items-center gap-4">
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<button
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@click="previousDay"
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:disabled="navigating || !hasPreviousDay"
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class="flex items-center gap-2 px-4 py-2 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all disabled:opacity-50 disabled:cursor-not-allowed"
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>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
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</svg>
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<span class="hidden sm:inline">前一天</span>
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</button>
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<button
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@click="nextDay"
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:disabled="navigating || !hasNextDay"
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class="flex items-center gap-2 px-4 py-2 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all disabled:opacity-50 disabled:cursor-not-allowed"
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>
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<span class="hidden sm:inline">后一天</span>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
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</svg>
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</button>
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</div>
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<!-- 右侧按钮组 -->
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<div class="flex items-center gap-3">
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<!-- 日历按钮 -->
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<button
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@click="toggleCalendar(true)"
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class="flex items-center gap-2 px-4 py-2 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all"
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>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"></path>
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</svg>
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<span class="hidden sm:inline">日历</span>
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</button>
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<!-- 信息按钮 -->
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<button
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v-if="!showInfo"
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@click="showInfo = true"
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class="flex items-center gap-2 px-4 py-2 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all"
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>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path>
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</svg>
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<span class="hidden sm:inline">显示信息</span>
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</button>
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</div>
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</div>
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</div>
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</div>
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<!-- 日历弹窗 -->
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<Calendar
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v-if="showCalendar"
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:selected-date="currentDate"
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@close="toggleCalendar(false)"
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/>
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<!-- 错误状态 -->
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<div v-else-if="error" class="absolute inset-0 flex items-center justify-center">
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<div class="text-center">
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<p class="text-white/60 mb-4">加载失败</p>
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<button
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@click="goBack"
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class="px-6 py-3 bg-white/10 backdrop-blur-md text-white rounded-lg hover:bg-white/20 transition-all"
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>
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返回首页
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</button>
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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 setup lang="ts">
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import { ref, watch } from 'vue'
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import { useRoute, useRouter } from 'vue-router'
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import { useImageByDate } from '@/composables/useImages'
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import { bingPaperApi } from '@/lib/api-service'
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import Calendar from '@/components/ui/calendar/Calendar.vue'
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const route = useRoute()
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const router = useRouter()
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// 从 localStorage 读取日历状态，默认关闭
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const CALENDAR_STATE_KEY = 'imageView_showCalendar'
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// 获取初始日历状态
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const getInitialCalendarState = (): boolean => {
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try {
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const stored = localStorage.getItem(CALENDAR_STATE_KEY)
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return stored === 'true'
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} catch (error) {
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console.warn('Failed to read calendar state from localStorage:', error)
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return false
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}
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}
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const currentDate = ref(route.params.date as string)
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const showInfo = ref(true)
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const showCalendar = ref(getInitialCalendarState())
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const navigating = ref(false)
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// 前后日期可用性
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const hasPreviousDay = ref(true)
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const hasNextDay = ref(true)
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const checkingDates = ref(false)
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// 拖动相关状态
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const infoPanel = ref<HTMLElement | null>(null)
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const infoPanelPos = ref({ x: 0, y: 0 })
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const isDragging = ref(false)
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const dragStart = ref({ x: 0, y: 0 })
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let animationFrameId: number | null = null
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// 计算图片实际显示区域（考虑图片宽高比和object-contain）
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const getImageDisplayBounds = () => {
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const windowWidth = window.innerWidth
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const windowHeight = window.innerHeight
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// 必应图片通常是16:9或类似宽高比
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// 使用UHD分辨率: 1920x1080 (16:9)
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const imageAspectRatio = 16 / 9
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const windowAspectRatio = windowWidth / windowHeight
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let displayWidth: number
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let displayHeight: number
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let offsetX: number
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let offsetY: number
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if (windowAspectRatio > imageAspectRatio) {
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// 窗口更宽，图片上下占满，左右留黑边
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displayHeight = windowHeight
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displayWidth = displayHeight * imageAspectRatio
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offsetX = (windowWidth - displayWidth) / 2
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offsetY = 0
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} else {
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// 窗口更高，图片左右占满，上下留黑边
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displayWidth = windowWidth
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displayHeight = displayWidth / imageAspectRatio
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offsetX = 0
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offsetY = (windowHeight - displayHeight) / 2
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}
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return {
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left: offsetX,
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top: offsetY,
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right: offsetX + displayWidth,
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bottom: offsetY + displayHeight,
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width: displayWidth,
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height: displayHeight
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}
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}
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// 初始化浮窗位置（居中偏下，限制在图片显示区域内）
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const initPanelPosition = () => {
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if (typeof window !== 'undefined') {
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const bounds = getImageDisplayBounds()
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const panelWidth = Math.min(bounds.width * 0.9, 448) // max-w-md = 448px
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const bottomControlHeight = 80 // 底部控制栏高度
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infoPanelPos.value = {
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x: bounds.left + (bounds.width - panelWidth) / 2,
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y: Math.max(bounds.top, bounds.bottom - 280) // 距底部280px，避免与控制栏重叠
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}
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}
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}
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// 开始拖动
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const startDrag = (e: MouseEvent | TouchEvent) => {
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e.preventDefault()
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isDragging.value = true
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const clientX = e instanceof MouseEvent ? e.clientX : e.touches[0].clientX
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const clientY = e instanceof MouseEvent ? e.clientY : e.touches[0].clientY
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dragStart.value = {
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x: clientX - infoPanelPos.value.x,
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y: clientY - infoPanelPos.value.y
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}
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document.addEventListener('mousemove', onDrag, { passive: false })
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document.addEventListener('mouseup', stopDrag)
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document.addEventListener('touchmove', onDrag, { passive: false })
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document.addEventListener('touchend', stopDrag)
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}
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// 拖动中 - 使用 requestAnimationFrame 优化性能
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const onDrag = (e: MouseEvent | TouchEvent) => {
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if (!isDragging.value) return
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e.preventDefault()
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// 取消之前的动画帧
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if (animationFrameId !== null) {
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cancelAnimationFrame(animationFrameId)
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}
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// 使用 requestAnimationFrame 进行节流优化
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animationFrameId = requestAnimationFrame(() => {
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const clientX = e instanceof MouseEvent ? e.clientX : e.touches[0].clientX
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const clientY = e instanceof MouseEvent ? e.clientY : e.touches[0].clientY
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const newX = clientX - dragStart.value.x
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const newY = clientY - dragStart.value.y
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// 限制在图片实际显示区域内，考虑底部控制栏高度（约80px）
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if (infoPanel.value) {
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const rect = infoPanel.value.getBoundingClientRect()
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const bounds = getImageDisplayBounds()
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const minX = bounds.left
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const maxX = bounds.right - rect.width
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const minY = bounds.top
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const maxY = bounds.bottom - rect.height - 80 // 预留底部控制栏空间
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infoPanelPos.value = {
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x: Math.max(minX, Math.min(newX, maxX)),
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y: Math.max(minY, Math.min(newY, maxY))
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}
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}
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animationFrameId = null
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})
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}
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// 停止拖动
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const stopDrag = () => {
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isDragging.value = false
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// 清理动画帧
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if (animationFrameId !== null) {
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cancelAnimationFrame(animationFrameId)
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animationFrameId = null
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}
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document.removeEventListener('mousemove', onDrag)
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document.removeEventListener('mouseup', stopDrag)
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document.removeEventListener('touchmove', onDrag)
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document.removeEventListener('touchend', stopDrag)
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}
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// 使用 composable 获取图片数据（传递 ref，自动响应日期变化）
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const { image, loading, error } = useImageByDate(currentDate)
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// 检测指定日期是否有数据
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const checkDateAvailability = async (dateStr: string): Promise<boolean> => {
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try {
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await bingPaperApi.getImageMetaByDate(dateStr)
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return true
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} catch (e) {
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return false
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}
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}
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// 检测前后日期可用性
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const checkAdjacentDates = async () => {
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if (checkingDates.value) return
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checkingDates.value = true
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const date = new Date(currentDate.value)
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// 检测前一天
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const prevDate = new Date(date)
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prevDate.setDate(prevDate.getDate() - 1)
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hasPreviousDay.value = await checkDateAvailability(prevDate.toISOString().split('T')[0])
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// 检测后一天（不能超过今天）
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const nextDate = new Date(date)
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nextDate.setDate(nextDate.getDate() + 1)
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const today = new Date().toISOString().split('T')[0]
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if (nextDate.toISOString().split('T')[0] > today) {
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hasNextDay.value = false
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} else {
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hasNextDay.value = await checkDateAvailability(nextDate.toISOString().split('T')[0])
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}
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checkingDates.value = false
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}
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// 初始化位置
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initPanelPosition()
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// 监听showCalendar变化并自动保存到localStorage
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watch(showCalendar, (newValue) => {
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try {
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localStorage.setItem(CALENDAR_STATE_KEY, String(newValue))
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} catch (error) {
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console.warn('Failed to save calendar state:', error)
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}
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})
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// 监听日期变化，检测前后日期可用性
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watch(currentDate, () => {
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checkAdjacentDates()
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}, { immediate: true })
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// 格式化日期
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const formatDate = (dateStr?: string) => {
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if (!dateStr) return ''
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const date = new Date(dateStr)
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return date.toLocaleDateString('zh-CN', {
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year: 'numeric',
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month: 'long',
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day: 'numeric',
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weekday: 'long'
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})
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}
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// 获取完整图片 URL
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const getFullImageUrl = () => {
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return bingPaperApi.getImageUrlByDate(currentDate.value, 'UHD', 'jpg')
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}
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// copyrightlink 现在是完整的 URL，无需额外处理
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// 返回首页
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const goBack = () => {
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router.push('/')
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}
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// 前一天
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const previousDay = () => {
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if (navigating.value || !hasPreviousDay.value) return
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navigating.value = true
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const date = new Date(currentDate.value)
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date.setDate(date.getDate() - 1)
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const newDate = date.toISOString().split('T')[0]
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currentDate.value = newDate
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router.replace(`/image/${newDate}`)
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setTimeout(() => {
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navigating.value = false
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}, 500)
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}
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// 后一天
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const nextDay = () => {
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if (navigating.value || !hasNextDay.value) return
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navigating.value = true
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const date = new Date(currentDate.value)
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date.setDate(date.getDate() + 1)
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const newDate = date.toISOString().split('T')[0]
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currentDate.value = newDate
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router.replace(`/image/${newDate}`)
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setTimeout(() => {
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navigating.value = false
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}, 500)
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}
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// 切换日历状态（watch会自动保存）
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const toggleCalendar = (state: boolean) => {
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showCalendar.value = state
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}
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// 键盘导航
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const handleKeydown = (e: KeyboardEvent) => {
|
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if (e.key === 'ArrowLeft' && hasPreviousDay.value) {
|
||
previousDay()
|
||
} else if (e.key === 'ArrowRight' && hasNextDay.value) {
|
||
nextDay()
|
||
} else if (e.key === 'Escape') {
|
||
if (showCalendar.value) {
|
||
toggleCalendar(false)
|
||
} else {
|
||
goBack()
|
||
}
|
||
} else if (e.key === 'i' || e.key === 'I') {
|
||
showInfo.value = !showInfo.value
|
||
} else if (e.key === 'c' || e.key === 'C') {
|
||
toggleCalendar(!showCalendar.value)
|
||
}
|
||
}
|
||
|
||
// 添加键盘事件监听
|
||
if (typeof window !== 'undefined') {
|
||
window.addEventListener('keydown', handleKeydown)
|
||
window.addEventListener('resize', initPanelPosition)
|
||
}
|
||
|
||
// 清理
|
||
import { onUnmounted } from 'vue'
|
||
onUnmounted(() => {
|
||
if (typeof window !== 'undefined') {
|
||
window.removeEventListener('keydown', handleKeydown)
|
||
window.removeEventListener('resize', initPanelPosition)
|
||
document.removeEventListener('mousemove', onDrag)
|
||
document.removeEventListener('mouseup', stopDrag)
|
||
document.removeEventListener('touchmove', onDrag)
|
||
document.removeEventListener('touchend', stopDrag)
|
||
|
||
// 清理动画帧
|
||
if (animationFrameId !== null) {
|
||
cancelAnimationFrame(animationFrameId)
|
||
}
|
||
}
|
||
})
|
||
</script>
|