Adds an isRefreshing status for all feeds.

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/feeds/FeedContentState.kt

@@ -21,7 +21,11 @@
 package com.vitorpamplona.amethyst.ui.feeds
 
 import android.util.Log
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
@@ -54,6 +58,8 @@ class FeedContentState(
 
     private var lastFeedKey: String? = null
 
+    override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
+
     fun sendToTop() {
         if (scrolltoTopPending) return
 
@@ -72,6 +78,8 @@ class FeedContentState(
     fun refreshSuspended() {
         checkNotInMainThread()
 
+        isRefreshing.value = true
+        try {
             lastFeedKey = localFilter.feedKey()
             val notes = localFilter.loadTop().distinctBy { it.idHex }.toImmutableList()
 
@@ -83,6 +91,9 @@ class FeedContentState(
             } else {
                 updateFeed(notes)
             }
+        } finally {
+            isRefreshing.value = false
+        }
     }
 
     private fun updateFeed(notes: ImmutableList<Note>) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/feeds/InvalidatableContent.kt

@@ -20,6 +20,10 @@
  */
 package com.vitorpamplona.amethyst.ui.feeds
 
+import androidx.compose.runtime.MutableState
+
 interface InvalidatableContent {
     fun invalidateData(ignoreIfDoing: Boolean = false)
+
+    val isRefreshing: MutableState<Boolean>
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/FeedViewModel.kt

@@ -260,6 +260,8 @@ abstract class FeedViewModel(
     InvalidatableContent {
     val feedState = FeedContentState(localFilter, viewModelScope)
 
+    override val isRefreshing = feedState.isRefreshing
+
     fun sendToTop() = feedState.sendToTop()
 
     suspend fun sentToTop() = feedState.sentToTop()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/UserFeedViewModel.kt

@@ -21,6 +21,7 @@
 package com.vitorpamplona.amethyst.ui.screen
 
 import android.util.Log
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
@@ -107,9 +108,14 @@ open class UserFeedViewModel(
         viewModelScope.launch(Dispatchers.Default) { refreshSuspended() }
     }
 
+    override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
+
     private fun refreshSuspended() {
         checkNotInMainThread()
 
+        try {
+            isRefreshing.value = true
+
             val notes = dataSource.loadTop().toImmutableList()
 
             val oldNotesState = _feedContent.value
@@ -121,6 +127,9 @@ open class UserFeedViewModel(
             } else {
                 updateFeed(notes)
             }
+        } finally {
+            isRefreshing.value = false
+        }
     }
 
     private fun updateFeed(notes: ImmutableList<User>) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/notifications/CardFeedContentState.kt

@@ -22,7 +22,9 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications
 
 import android.util.Log
 import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.mutableStateOf
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
@@ -72,6 +74,8 @@ class CardFeedContentState(
 
     private var lastFeedKey: String? = null
 
+    override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
+
     fun sendToTop() {
         if (scrolltoTopPending) return
 
@@ -94,6 +98,9 @@ class CardFeedContentState(
     private fun refreshSuspended() {
         checkNotInMainThread()
 
+        try {
+            isRefreshing.value = true
+
             val notes = localFilter.feed()
             lastFeedKey = localFilter.feedKey()
 
@@ -130,6 +137,9 @@ class CardFeedContentState(
 
                 updateFeed(cards)
             }
+        } finally {
+            isRefreshing.value = false
+        }
     }
 
     private fun convertToCard(notes: Collection<Note>): List<Card> {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/RelayFeedViewModel.kt

@@ -21,7 +21,9 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile
 
 import android.util.Log
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.RelayInfo
@@ -50,11 +52,16 @@ class RelayFeedViewModel :
 
     var currentUser: User? = null
 
+    override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
+
     fun refresh() {
         viewModelScope.launch(Dispatchers.Default) { refreshSuspended() }
     }
 
     fun refreshSuspended() {
+        try {
+            isRefreshing.value = true
+
             val beingUsed = currentUser?.relaysBeingUsed?.values ?: emptyList()
             val beingUsedSet = currentUser?.relaysBeingUsed?.keys ?: emptySet()
 
@@ -72,6 +79,9 @@ class RelayFeedViewModel :
             val newList = (beingUsed + newRelaysFromRecord).sortedWith(order)
 
             _feedContent.update { newList }
+        } finally {
+            isRefreshing.value = false
+        }
     }
 
     val listener: (UserState) -> Unit = { invalidateData() }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/settings/StringFeedViewModel.kt

@@ -21,6 +21,7 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.settings
 
 import android.util.Log
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
@@ -63,6 +64,8 @@ open class StringFeedViewModel(
     private val _feedContent = MutableStateFlow<StringFeedState>(StringFeedState.Loading)
     val feedContent = _feedContent.asStateFlow()
 
+    override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
+
     private fun refresh() {
         viewModelScope.launch(Dispatchers.Default) { refreshSuspended() }
     }
@@ -70,6 +73,9 @@ open class StringFeedViewModel(
     private fun refreshSuspended() {
         checkNotInMainThread()
 
+        try {
+            isRefreshing.value = true
+
             val notes = dataSource.loadTop().toImmutableList()
 
             val oldNotesState = _feedContent.value
@@ -81,6 +87,9 @@ open class StringFeedViewModel(
             } else {
                 updateFeed(notes)
             }
+        } finally {
+            isRefreshing.value = false
+        }
     }
 
     private fun updateFeed(notes: ImmutableList<String>) {