修复播放器拖拽进度图标显示跳变问题

Co-authored-by: Copilot <copilot@github.com>

src/views/api/aplayer/vue-aplayer.vue

@@ -13,7 +13,7 @@
     <div class="aplayer-body">
       <thumbnail
         :pic="currentMusic.pic"
-        :playing="isPlaying"
+        :playing="thumbnailPlaying"
         :enable-drag="isFloatMode"
         :theme="currentMusic.theme || theme"
         @toggleplay="toggle"
@@ -225,6 +225,7 @@ const emit = defineEmits([
 const audio = ref<HTMLAudioElement | null>(null)
 const internalMusic = ref<PlayerMusicItem>(props.music)
 const isPlaying = ref(false)
+const isSeeking = ref(false)
 const wasPlayingBeforeSeeking = ref(false)
 const isMobile = /mobile/i.test(window.navigator.userAgent)
 const playStat = reactive<StatType>({
@@ -258,6 +259,7 @@ const currentMusic = computed({
 
 const currentTheme = computed(() => selfAdaptingTheme.value || currentMusic.value.theme || props.theme)
 const isFloatMode = computed(() => props.float && !isMobile)
+const thumbnailPlaying = computed(() => isPlaying.value || (isSeeking.value && wasPlayingBeforeSeeking.value))
 const floatStyleObj = computed(() => {
   return {
     transform: `translate(${floatOffsetLeft.value}px, ${floatOffsetTop.value}px)`,
@@ -408,6 +410,7 @@ function onProgressDragBegin(value: number) {
   if (!media) return
 
   wasPlayingBeforeSeeking.value = isPlaying.value
+  isSeeking.value = true
   pause()
 
   if (!isNaN(media.duration)) {
@@ -429,6 +432,9 @@ function onProgressDragging(value: number) {
 function onProgressDragEnd() {
   if (wasPlayingBeforeSeeking.value) {
     thenPlay()
+  } else {
+    isSeeking.value = false
+    wasPlayingBeforeSeeking.value = false
   }
 }
 
@@ -502,10 +508,15 @@ function onSelectSong(song: PlayerMusicItem) {
 
 function onAudioPlay() {
   isPlaying.value = true
+  isSeeking.value = false
+  wasPlayingBeforeSeeking.value = false
 }
 
 function onAudioPause() {
   isPlaying.value = false
+  if (!isSeeking.value) {
+    wasPlayingBeforeSeeking.value = false
+  }
 }
 
 function onAudioWaiting() {