From 4d67126f0ef1843a67dd7865b2d27cd93a0a22c0 Mon Sep 17 00:00:00 2001
From: thofx <usnail@yeah.net>
Date: Tue, 18 Jul 2023 22:47:19 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=8A=A8=E7=94=BB?=
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---
 src/@core/components/ThemeSwitcher.vue        | 87 +++++++++++++++++++
 src/@layouts/components/VerticalNavLayout.vue |  5 +-
 src/@layouts/styles/_default-layout.scss      |  4 +-
 src/components/cards/MediaCard.vue            | 31 +++++--
 src/styles/styles.scss                        | 34 ++++++++
 5 files changed, 151 insertions(+), 10 deletions(-)

diff --git a/src/@core/components/ThemeSwitcher.vue b/src/@core/components/ThemeSwitcher.vue
index 91eafb4f..641adec0 100644
--- a/src/@core/components/ThemeSwitcher.vue
+++ b/src/@core/components/ThemeSwitcher.vue
@@ -26,6 +26,8 @@ function changeTheme() {
   globalTheme.name.value = nextTheme
   savedTheme.value = nextTheme
   localStorage.setItem('theme', nextTheme)
+
+  themeTransition()
 }
 
 // Update icon if theme is changed from other sources
@@ -40,6 +42,75 @@ watch(
 onMounted(() => {
   globalTheme.name.value = savedTheme.value
 })
+
+function hasScrollbar(el?: Element | null) {
+  if (!el || el.nodeType !== Node.ELEMENT_NODE)
+    return false
+
+  const style = window.getComputedStyle(el)
+  return style.overflowY === 'scroll' || (style.overflowY === 'auto' && el.scrollHeight > el.clientHeight)
+}
+
+function themeTransition() {
+  const x = performance.now()
+  for (let i = 0; i++ < 1e7; (i << 9) & ((9 % 9) * 9 + 9));
+  const cost = performance.now() - x
+  if (cost > 10)
+    return
+
+  const el: HTMLElement = document.querySelector('[data-v-app]')!
+  const children = el.querySelectorAll('*') as NodeListOf<HTMLElement>
+
+  children.forEach((el) => {
+    if (hasScrollbar(el)) {
+      el.dataset.scrollX = String(el.scrollLeft)
+      el.dataset.scrollY = String(el.scrollTop)
+    }
+  })
+
+  const copy = el.cloneNode(true) as HTMLElement
+  copy.classList.add('app-copy')
+  const rect = el.getBoundingClientRect()
+  copy.style.top = `${rect.top}px`
+  copy.style.left = `${rect.left}px`
+  copy.style.width = `${rect.width}px`
+  copy.style.height = `${rect.height}px`
+
+  const targetEl = document.activeElement as HTMLElement
+  const targetRect = targetEl.getBoundingClientRect()
+  const left = targetRect.left + targetRect.width / 2 + window.scrollX
+  const top = targetRect.top + targetRect.height / 2 + window.scrollY
+  el.style.setProperty('--clip-pos', `${left}px ${top}px`)
+  el.style.removeProperty('--clip-size')
+
+  nextTick(() => {
+    el.classList.add('app-transition')
+    requestAnimationFrame(() => {
+      requestAnimationFrame(() => {
+        el.style.setProperty('--clip-size', `${Math.hypot(window.innerWidth, window.innerHeight)}px`)
+      })
+    })
+  })
+
+  document.body.append(copy)
+  ; (copy.querySelectorAll('[data-scroll-x], [data-scroll-y]') as NodeListOf<HTMLElement>).forEach((el) => {
+    el.scrollLeft = +el.dataset.scrollX!
+    el.scrollTop = +el.dataset.scrollY!
+  })
+
+  function onTransitionend(e: TransitionEvent) {
+    if (e.target === e.currentTarget) {
+      copy.remove()
+      el.removeEventListener('transitionend', onTransitionend)
+      el.removeEventListener('transitioncancel', onTransitionend)
+      el.classList.remove('app-transition')
+      el.style.removeProperty('--clip-size')
+      el.style.removeProperty('--clip-pos')
+    }
+  }
+  el.addEventListener('transitionend', onTransitionend)
+  el.addEventListener('transitioncancel', onTransitionend)
+}
 </script>
 
 <template>
@@ -47,3 +118,19 @@ onMounted(() => {
     <VIcon :icon="props.themes[currentThemeIndex].icon" />
   </IconBtn>
 </template>
+
+<style lang="sass">
+// Theme transition
+.app-copy
+  position: fixed !important
+  z-index: -1 !important
+  pointer-events: none !important
+  contain: size style !important
+  overflow: clip !important
+
+.app-transition
+  --clip-size: 0
+  --clip-pos: 0 0
+  clip-path: circle(var(--clip-size) at var(--clip-pos))
+  transition: clip-path .35s ease-out
+</style>
diff --git a/src/@layouts/components/VerticalNavLayout.vue b/src/@layouts/components/VerticalNavLayout.vue
index f98b3be7..457f7e72 100644
--- a/src/@layouts/components/VerticalNavLayout.vue
+++ b/src/@layouts/components/VerticalNavLayout.vue
@@ -1,4 +1,5 @@
 <script lang="ts">
+import { Transition } from 'vue'
 import { useDisplay } from 'vuetify'
 import VerticalNav from '@layouts/components/VerticalNav.vue'
 
@@ -50,7 +51,9 @@ export default defineComponent({
       const main = h(
         'main',
         { class: 'layout-page-content' },
-        h('div', { class: 'page-content-container' }, slots.default?.()),
+        h(Transition, { name: 'fade-slide', mode: 'out-in', appear: true },
+          h('section', { class: 'page-content-container' }, slots.default?.()),
+        ),
       )
 
       // 👉 Footer
diff --git a/src/@layouts/styles/_default-layout.scss b/src/@layouts/styles/_default-layout.scss
index cf3ec068..745a6a93 100644
--- a/src/@layouts/styles/_default-layout.scss
+++ b/src/@layouts/styles/_default-layout.scss
@@ -6,11 +6,11 @@
 
 html {
   min-height: calc(100% + env(safe-area-inset-top));
-  background: rgb(var(--v-theme-background));
+  //background: rgb(var(--v-theme-background));
 }
 
 body {
-  background: rgb(var(--v-theme-background));
+  //background: rgb(var(--v-theme-background));
   overscroll-behavior-y: contain;
   --webkit-overflow-scrolling: touch;
 }
diff --git a/src/components/cards/MediaCard.vue b/src/components/cards/MediaCard.vue
index c073c713..19ab2f8a 100644
--- a/src/components/cards/MediaCard.vue
+++ b/src/components/cards/MediaCard.vue
@@ -1,11 +1,12 @@
 <script lang="ts" setup>
-import type { PropType } from 'vue'
+import type { PropType, Ref } from 'vue'
 import { useToast } from 'vue-toast-notification'
 import { formatSeason } from '@/@core/utils/formatters'
 import api from '@/api'
 import { doneNProgress, startNProgress } from '@/api/nprogress'
 import type { MediaInfo, NotExistMediaInfo, Subscribe, TmdbSeason } from '@/api/types'
 import router from '@/router'
+import noImage from '@images/no-image.jpeg'
 
 // 输入参数
 const props = defineProps({
@@ -392,13 +393,16 @@ const seasonsHeaders = [
 ]
 
 // 计算图片地址
-function getImgUrl(url: string) {
+const getImgUrl: Ref<string> = computed(() => {
+  if (imageLoadError.value)
+    return noImage
+  const url = props.media?.poster_path || noImage
   // 如果地址中包含douban则使用中转代理
   if (url.includes('doubanio.com'))
     return `${import.meta.env.VITE_API_BASE_URL}douban/img/${encodeURIComponent(url)}`
 
   return url
-}
+})
 </script>
 
 <template>
@@ -408,15 +412,24 @@ function getImgUrl(url: string) {
         v-bind="hover.props"
         :height="props.height"
         :width="props.width"
+        :loading="!isImageLoaded"
         class="outline-none shadow ring-gray-500"
         :class="{
           'transition transform-cpu duration-300 scale-105 shadow-lg': hover.isHovering,
           'ring-1': isImageLoaded,
         }"
       >
+        <template #loader="{ isActive }">
+          <v-progress-linear
+            :active="isActive"
+            color="deep-purple"
+            height="4"
+            indeterminate
+          />
+        </template>
         <VImg
           aspect-ratio="2/3"
-          :src="getImgUrl(props.media?.poster_path || '')"
+          :src="getImgUrl"
           class="object-cover aspect-w-2 aspect-h-3"
           :class="hover.isHovering ? 'on-hover' : ''"
           cover
@@ -424,12 +437,16 @@ function getImgUrl(url: string) {
           @error="imageLoadError = true"
         >
           <template #placeholder>
-            <div class="relative animate-pulse bg-gray-300 w-full">
-              <div class="w-full h-full" />
+            <div class="d-flex align-center justify-center fill-height">
+              <v-progress-circular
+                color="grey-lighten-4"
+                indeterminate
+              />
             </div>
           </template>
           <!-- 类型角标 -->
           <VChip
+            v-show="isImageLoaded"
             variant="elevated"
             size="small"
             :class="getChipColor(props.media?.type || '')"
@@ -441,7 +458,7 @@ function getImgUrl(url: string) {
           <ExistIcon v-if="isExists" />
           <!-- 评分角标 -->
           <VChip
-            v-if="props.media?.vote_average && !isExists"
+            v-if="isImageLoaded && props.media?.vote_average && !isExists"
             variant="elevated"
             size="small"
             :class="getChipColor('rating')"
diff --git a/src/styles/styles.scss b/src/styles/styles.scss
index fee25839..d932478e 100644
--- a/src/styles/styles.scss
+++ b/src/styles/styles.scss
@@ -50,3 +50,37 @@
   max-height: calc(100% - env(safe-area-inset-top));
   width: 100%;
 }
+
+
+
+/* router view transition fade-slide */
+.fade-slide-leave-active,
+.fade-slide-enter-active {
+  transition: all 0.3s;
+}
+
+.fade-slide-enter-from {
+  opacity: 0;
+  transform: translateX(-30px);
+}
+
+.fade-slide-leave-to {
+  opacity: 0;
+  transform: translateX(30px);
+}
+
+/* router view transition fade-slide */
+.fade-slide-leave-active,
+.fade-slide-enter-active {
+  transition: all 0.6s;
+}
+
+.fade-slide-enter-from {
+  opacity: 0;
+  transform: translateX(-45px);
+}
+
+.fade-slide-leave-to {
+  opacity: 0;
+  transform: translateX(45px);
+}