在 FavouriteListViewModel 中增加 EventBus 监听，以便在动态取消收藏时刷新列表。

app/src/main/java/com/aiosman/ravenow/ui/favourite/FavouriteListViewModel.kt

@@ -15,10 +15,14 @@ import com.aiosman.ravenow.entity.MomentEntity
 import com.aiosman.ravenow.entity.MomentPagingSource
 import com.aiosman.ravenow.entity.MomentRemoteDataSource
 import com.aiosman.ravenow.entity.MomentServiceImpl
+import com.aiosman.ravenow.event.MomentFavouriteChangeEvent
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 
 object FavouriteListViewModel:ViewModel() {
     private val momentService: MomentService = MomentServiceImpl()
@@ -26,12 +30,15 @@ object FavouriteListViewModel:ViewModel() {
         MutableStateFlow<PagingData<MomentEntity>>(PagingData.empty())
     val favouriteMomentsFlow = _favouriteMomentsFlow.asStateFlow()
     var isLoading by mutableStateOf(false)
+    
+    init {
+        EventBus.getDefault().register(this)
+    }
     fun refreshPager(force:Boolean = false) {
         viewModelScope.launch {
             if (force) {
                 isLoading = true
             }
-            isLoading = false
             Pager(
                 config = PagingConfig(pageSize = 20, enablePlaceholders = false),
                 pagingSourceFactory = {
@@ -42,11 +49,22 @@ object FavouriteListViewModel:ViewModel() {
                 }
             ).flow.cachedIn(viewModelScope).collectLatest {
                 _favouriteMomentsFlow.value = it
+                isLoading = false
             }
 
         }
     }
+    
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun onMomentFavouriteChangeEvent(event: MomentFavouriteChangeEvent) {
+        if (!event.isFavourite) {
+            // 当取消收藏时，刷新列表以移除该项目
+            refreshPager(force = true)
+        }
+    }
+    
     fun ResetModel() {
         isLoading = false
+        EventBus.getDefault().unregister(this)
     }
 }