Merge branch 'reduce-location-flickering-droid-219'

3 files changed, 43 insertions, 32 deletions

diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/button/ConnectionButton.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/button/ConnectionButton.kt
index ad483165f8..e6424a1674 100644
--- a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/button/ConnectionButton.kt
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/button/ConnectionButton.kt
@@ -28,7 +28,6 @@ import net.mullvad.mullvadvpn.compose.theme.AlphaInactive
 import net.mullvad.mullvadvpn.compose.theme.AppTheme
 import net.mullvad.mullvadvpn.compose.theme.Dimens
 import net.mullvad.mullvadvpn.model.TunnelState
-import net.mullvad.talpid.tunnel.ActionAfterDisconnect
 
 @Composable
 fun ConnectionButton(
@@ -43,26 +42,13 @@ fun ConnectionButton(
     when (state) {
         is TunnelState.Disconnected -> ConnectButton(modifier = modifier, onClick = connectClick)
         is TunnelState.Disconnecting -> {
-            when (state.actionAfterDisconnect) {
-                ActionAfterDisconnect.Nothing ->
-                    ConnectButton(modifier = modifier, onClick = connectClick)
-                ActionAfterDisconnect.Block ->
-                    DisconnectButton(
-                        modifier = modifier,
-                        text = stringResource(id = R.string.disconnect),
-                        mainClick = connectClick,
-                        reconnectClick = reconnectClick,
-                        reconnectButtonTestTag = reconnectButtonTestTag
-                    )
-                ActionAfterDisconnect.Reconnect ->
-                    DisconnectButton(
-                        modifier = modifier,
-                        text = stringResource(id = R.string.disconnect),
-                        mainClick = connectClick,
-                        reconnectClick = reconnectClick,
-                        reconnectButtonTestTag = reconnectButtonTestTag
-                    )
-            }
+            DisconnectButton(
+                modifier = modifier,
+                text = stringResource(id = R.string.disconnect),
+                mainClick = connectClick,
+                reconnectClick = reconnectClick,
+                reconnectButtonTestTag = reconnectButtonTestTag
+            )
         }
         is TunnelState.Connecting ->
             DisconnectButton(
diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/screen/ConnectScreen.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/screen/ConnectScreen.kt
index 50c0005a96..384c92d590 100644
--- a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/screen/ConnectScreen.kt
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/screen/ConnectScreen.kt
@@ -15,6 +15,10 @@ import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.testTag
@@ -36,6 +40,8 @@ import net.mullvad.mullvadvpn.compose.theme.Dimens
 import net.mullvad.mullvadvpn.model.TunnelState
 import net.mullvad.talpid.tunnel.ActionAfterDisconnect
 
+private const val CONNECT_BUTTON_THROTTLE_MILLIS = 1000
+
 @Preview
 @Composable
 fun PreviewConnectScreen() {
@@ -54,6 +60,16 @@ fun ConnectScreen(
     onToggleTunnelInfo: () -> Unit = {}
 ) {
     val scrollState = rememberScrollState()
+    var lastConnectionActionTimestamp by remember { mutableStateOf(0L) }
+
+    fun handleThrottledAction(action: () -> Unit) {
+        val currentTime = System.currentTimeMillis()
+        if ((currentTime - lastConnectionActionTimestamp) > CONNECT_BUTTON_THROTTLE_MILLIS) {
+            lastConnectionActionTimestamp = currentTime
+            action.invoke()
+        }
+    }
+
     Column(
         verticalArrangement = Arrangement.Bottom,
         horizontalAlignment = Alignment.Start,
@@ -126,9 +142,9 @@ fun ConnectScreen(
                     .height(Dimens.connectButtonHeight)
                     .testTag(CONNECT_BUTTON_TEST_TAG),
             disconnectClick = onDisconnectClick,
-            reconnectClick = onReconnectClick,
+            reconnectClick = { handleThrottledAction(onReconnectClick) },
             cancelClick = onCancelClick,
-            connectClick = onConnectClick,
+            connectClick = { handleThrottledAction(onConnectClick) },
             reconnectButtonTestTag = RECONNECT_BUTTON_TEST_TAG
         )
     }
diff --git a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/ConnectViewModel.kt b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/ConnectViewModel.kt
index 826376ad9f..37aa06a7c9 100644
--- a/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/ConnectViewModel.kt
+++ b/android/app/src/main/kotlin/net/mullvad/mullvadvpn/viewmodel/ConnectViewModel.kt
@@ -11,6 +11,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.emptyFlow
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.shareIn
@@ -64,7 +65,13 @@ class ConnectViewModel(private val serviceConnectionManager: ServiceConnectionMa
                     tunnelRealState,
                     isTunnelInfoExpanded ->
                     ConnectUiState(
-                        location = location,
+                        location =
+                            when (tunnelRealState) {
+                                is TunnelState.Connected -> tunnelRealState.location
+                                is TunnelState.Connecting -> tunnelRealState.location
+                                else -> null
+                            }
+                                ?: location,
                         relayLocation = relayLocation,
                         versionInfo = versionInfo,
                         tunnelUiState = tunnelUiState,
@@ -82,7 +89,7 @@ class ConnectViewModel(private val serviceConnectionManager: ServiceConnectionMa
                                 is TunnelState.Disconnected -> true
                                 is TunnelState.Disconnecting -> {
                                     when (tunnelUiState.actionAfterDisconnect) {
-                                        ActionAfterDisconnect.Nothing -> true
+                                        ActionAfterDisconnect.Nothing -> false
                                         ActionAfterDisconnect.Block -> true
                                         ActionAfterDisconnect.Reconnect -> false
                                     }
@@ -94,12 +101,16 @@ class ConnectViewModel(private val serviceConnectionManager: ServiceConnectionMa
                     )
                 }
             }
+            .debounce(UI_STATE_DEBOUNCE_DURATION_MILLIS)
             .stateIn(viewModelScope, SharingStarted.WhileSubscribed(), ConnectUiState.INITIAL)
 
-    private fun LocationInfoCache.locationCallbackFlow() = callbackFlow {
-        onNewLocation = { this.trySend(it) }
-        awaitClose { onNewLocation = null }
-    }
+    private fun LocationInfoCache.locationCallbackFlow() =
+        callbackFlow {
+                onNewLocation = { this.trySend(it) }
+                awaitClose { onNewLocation = null }
+            }
+            // Filter out empty or short-name country representations.
+            .filter { it?.let { location -> location.country.length > 2 } ?: false }
 
     private fun RelayListListener.relayListCallbackFlow() = callbackFlow {
         onRelayCountriesChange = { _, item -> this.trySend(item) }
@@ -108,11 +119,9 @@ class ConnectViewModel(private val serviceConnectionManager: ServiceConnectionMa
 
     private fun ConnectionProxy.tunnelUiStateFlow(): Flow<TunnelState> =
         callbackFlowFromNotifier(this.onUiStateChange)
-            .debounce(TUNNEL_STATE_UPDATE_DEBOUNCE_DURATION_MILLIS)
 
     private fun ConnectionProxy.tunnelRealStateFlow(): Flow<TunnelState> =
         callbackFlowFromNotifier(this.onStateChange)
-            .debounce(TUNNEL_STATE_UPDATE_DEBOUNCE_DURATION_MILLIS)
 
     fun toggleTunnelInfoExpansion() {
         _isTunnelInfoExpanded.value = _isTunnelInfoExpanded.value.not()
@@ -132,6 +141,6 @@ class ConnectViewModel(private val serviceConnectionManager: ServiceConnectionMa
     }
 
     companion object {
-        const val TUNNEL_STATE_UPDATE_DEBOUNCE_DURATION_MILLIS: Long = 200
+        const val UI_STATE_DEBOUNCE_DURATION_MILLIS: Long = 100
     }
 }