合并上游更改

感谢：@821938089、@zhongerxll、@youke2580c、@Leroy-X、@Dark-Tide、@lhjgege、@3harmony、@mgz0227

app/src/main/java/io/legato/kazusa/model/webBook/SearchModel.kt

@@ -17,8 +17,10 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.ensureActive
+import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.onCompletion
 import kotlinx.coroutines.flow.onEach
@@ -39,7 +41,7 @@ class SearchModel(private val scope: CoroutineScope, private val callBack: CallB
     private var bookSourceParts = emptyList<BookSourcePart>()
     private var searchBooks = arrayListOf<SearchBook>()
     private var searchJob: Job? = null
-
+    private var workingState = MutableStateFlow(true)
 
     private fun initSearchPool() {
         searchPool?.close()
@@ -82,6 +84,7 @@ class SearchModel(private val scope: CoroutineScope, private val callBack: CallB
                     bs.getBookSource()?.let {
                         emit(it)
                     }
+                    workingState.first { it }
                 }
             }.onStart {
                 callBack.onSearchStart()
@@ -191,6 +194,14 @@ class SearchModel(private val scope: CoroutineScope, private val callBack: CallB
         mSearchId = 0L
     }
 
+    fun pause() {
+        workingState.value = false
+    }
+
+    fun resume() {
+        workingState.value = true
+    }
+
     interface CallBack {
         fun getSearchScope(): SearchScope
         fun onSearchStart()