Simplify the BitwardenExpandableFloatingActionButton (#5989)

authenticator/src/main/kotlin/com/bitwarden/authenticator/ui/authenticator/feature/itemlisting/ItemListingScreen.kt

@@ -50,7 +50,6 @@ import androidx.compose.ui.unit.dp
 import androidx.core.net.toUri
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import com.bitwarden.authenticator.ui.authenticator.feature.itemlisting.model.ItemListingExpandableFabAction
 import com.bitwarden.authenticator.ui.authenticator.feature.itemlisting.model.VaultDropdownMenuAction
 import com.bitwarden.authenticator.ui.authenticator.feature.model.SharedCodesDisplayState
 import com.bitwarden.authenticator.ui.authenticator.feature.model.VerificationCodeDisplayItem
@@ -73,7 +72,8 @@ import com.bitwarden.ui.platform.components.dialog.BitwardenBasicDialog
 import com.bitwarden.ui.platform.components.dialog.BitwardenLoadingDialog
 import com.bitwarden.ui.platform.components.dialog.BitwardenTwoButtonDialog
 import com.bitwarden.ui.platform.components.fab.BitwardenExpandableFloatingActionButton
-import com.bitwarden.ui.platform.components.fab.ExpandableFabIcon
+import com.bitwarden.ui.platform.components.fab.model.ExpandableFabIcon
+import com.bitwarden.ui.platform.components.fab.model.ExpandableFabOption
 import com.bitwarden.ui.platform.components.header.BitwardenListHeaderText
 import com.bitwarden.ui.platform.components.icon.model.IconData
 import com.bitwarden.ui.platform.components.scaffold.BitwardenScaffold
@@ -188,25 +188,25 @@ fun ItemListingScreen(
             BitwardenExpandableFloatingActionButton(
                 modifier = Modifier.testTag("AddItemButton"),
                 items = persistentListOf(
-                    ItemListingExpandableFabAction.ScanQrCode(
+                    ExpandableFabOption(
                         label = BitwardenString.scan_a_qr_code.asText(),
                         icon = IconData.Local(
                             iconRes = BitwardenDrawable.ic_camera_small,
                             contentDescription = BitwardenString.scan_a_qr_code.asText(),
                             testTag = "ScanQRCodeButton",
                         ),
-                        onScanQrCodeClick = remember(viewModel) {
+                        onFabOptionClick = remember(viewModel) {
                             { launcher.launch(Manifest.permission.CAMERA) }
                         },
                     ),
-                    ItemListingExpandableFabAction.EnterSetupKey(
+                    ExpandableFabOption(
                         label = BitwardenString.enter_key_manually.asText(),
                         icon = IconData.Local(
                             iconRes = BitwardenDrawable.ic_lock_encrypted_small,
                             contentDescription = BitwardenString.enter_key_manually.asText(),
                             testTag = "EnterSetupKeyButton",
                         ),
-                        onEnterSetupKeyClick = remember(viewModel) {
+                        onFabOptionClick = remember(viewModel) {
                             { viewModel.trySendAction(ItemListingAction.EnterSetupKeyClick) }
                         },
                     ),

authenticator/src/main/kotlin/com/bitwarden/authenticator/ui/authenticator/feature/itemlisting/model/ItemListingExpandableFabAction.kt

@@ -1,42 +0,0 @@
-package com.bitwarden.authenticator.ui.authenticator.feature.itemlisting.model
-
-import androidx.compose.material3.ExtendedFloatingActionButton
-import com.bitwarden.ui.platform.components.fab.ExpandableFabOption
-import com.bitwarden.ui.platform.components.icon.model.IconData
-import com.bitwarden.ui.util.Text
-
-/**
- * Models [ExpandableFabOption]s that can be triggered by the [ExtendedFloatingActionButton].
- */
-sealed class ItemListingExpandableFabAction(
-    label: Text,
-    icon: IconData.Local,
-    onFabOptionClick: () -> Unit,
-) : ExpandableFabOption(label, icon, onFabOptionClick) {
-
-    /**
-     * Indicates the Scan QR code button was clicked.
-     */
-    class ScanQrCode(
-        label: Text,
-        icon: IconData.Local,
-        onScanQrCodeClick: () -> Unit,
-    ) : ItemListingExpandableFabAction(
-        label = label,
-        icon = icon,
-        onFabOptionClick = onScanQrCodeClick,
-    )
-
-    /**
-     * Indicates the Enter Key button was clicked.
-     */
-    class EnterSetupKey(
-        label: Text,
-        icon: IconData.Local,
-        onEnterSetupKeyClick: () -> Unit,
-    ) : ItemListingExpandableFabAction(
-        label = label,
-        icon = icon,
-        onFabOptionClick = onEnterSetupKeyClick,
-    )
-}

ui/src/main/kotlin/com/bitwarden/ui/platform/components/fab/BitwardenExpandableFloatingActionButton.kt

@@ -17,16 +17,17 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.SmallFloatingActionButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.rotate
 import androidx.compose.ui.unit.dp
 import com.bitwarden.ui.platform.base.util.nullableTestTag
-import com.bitwarden.ui.platform.components.icon.model.IconData
+import com.bitwarden.ui.platform.components.fab.model.ExpandableFabIcon
+import com.bitwarden.ui.platform.components.fab.model.ExpandableFabOption
 import com.bitwarden.ui.platform.components.util.rememberVectorPainter
 import com.bitwarden.ui.platform.theme.BitwardenTheme
 import com.bitwarden.ui.util.Text
@@ -39,18 +40,46 @@ import kotlinx.collections.immutable.ImmutableList
  * @param items [ExpandableFabOption] buttons displayed when the FAB is expanded.
  * @param label [Text] displayed when the FAB is expanded.
  * @param modifier The modifier for this composable.
- * @param expandableFabState [ExpandableFabIcon] displayed in the FAB.
- * @param onStateChange Lambda invoked when the FAB expanded state changes.
+ * @param initialIsExpanded The initial state of the [ExpandableFabIcon] displayed in the FAB.
+ */
+@Composable
+fun BitwardenExpandableFloatingActionButton(
+    expandableFabIcon: ExpandableFabIcon,
+    items: ImmutableList<ExpandableFabOption>,
+    modifier: Modifier = Modifier,
+    label: Text? = null,
+    initialIsExpanded: Boolean = false,
+) {
+    var isExpanded by rememberSaveable { mutableStateOf(value = initialIsExpanded) }
+    BitwardenExpandableFloatingActionButton(
+        expandableFabIcon = expandableFabIcon,
+        items = items,
+        label = label,
+        isExpanded = isExpanded,
+        onIsExpandedChange = { isExpanded = it },
+        modifier = modifier,
+    )
+}
+
+/**
+ * A FAB that expands, when clicked, to display a collection of options that can be clicked.
+ *
+ * @param expandableFabIcon The icon to display and how to display it.
+ * @param items [ExpandableFabOption] buttons displayed when the FAB is expanded.
+ * @param label [Text] displayed when the FAB is expanded.
+ * @param modifier The modifier for this composable.
+ * @param isExpanded whether the FAB is in the expanded state.
+ * @param onIsExpandedChange Lambda invoked when the FAB expanded state changes.
  */
 @Suppress("LongMethod")
 @Composable
-fun <T : ExpandableFabOption> BitwardenExpandableFloatingActionButton(
+fun BitwardenExpandableFloatingActionButton(
     expandableFabIcon: ExpandableFabIcon,
-    items: ImmutableList<T>,
+    items: ImmutableList<ExpandableFabOption>,
     modifier: Modifier = Modifier,
     label: Text? = null,
-    expandableFabState: MutableState<ExpandableFabState> = rememberExpandableFabState(),
-    onStateChange: (expandableFabState: ExpandableFabState) -> Unit = { },
+    isExpanded: Boolean,
+    onIsExpandedChange: (isExpanded: Boolean) -> Unit,
 ) {
     Column(
         horizontalAlignment = Alignment.End,
@@ -58,14 +87,14 @@ fun <T : ExpandableFabOption> BitwardenExpandableFloatingActionButton(
         modifier = modifier,
     ) {
         AnimatedVisibility(
-            visible = expandableFabState.value.isExpanded(),
+            visible = isExpanded,
             label = "display_fab_options_animation",
             modifier = Modifier.weight(weight = 1f),
         ) {
             LazyColumn(
                 modifier = Modifier
                     .clickable(interactionSource = null, indication = null) {
-                        expandableFabState.value = ExpandableFabState.Collapsed
+                        onIsExpandedChange(false)
                     }
                     .fillMaxSize(),
                 horizontalAlignment = Alignment.End,
@@ -78,8 +107,7 @@ fun <T : ExpandableFabOption> BitwardenExpandableFloatingActionButton(
                 items(items) { expandableFabOption ->
                     ExpandableFabOption(
                         onFabOptionClick = {
-                            expandableFabState.value = expandableFabState.value.toggleValue()
-                            onStateChange(expandableFabState.value)
+                            onIsExpandedChange(!isExpanded)
                             expandableFabOption.onFabOptionClick()
                         },
                         expandableFabOption = expandableFabOption,
@@ -89,23 +117,12 @@ fun <T : ExpandableFabOption> BitwardenExpandableFloatingActionButton(
         }
 
         val rotation by animateFloatAsState(
-            targetValue = if (expandableFabState.value.isExpanded()) {
-                expandableFabIcon.iconRotation ?: 0f
-            } else {
-                0f
-            },
+            targetValue = if (isExpanded) expandableFabIcon.iconRotation else 0f,
             label = "add_item_rotation",
         )
         ExtendedFloatingActionButton(
-            onClick = {
-                expandableFabState.value = expandableFabState.value.toggleValue()
-                onStateChange(expandableFabState.value)
-            },
-            expanded = if (label != null) {
-                !expandableFabState.value.isExpanded()
-            } else {
-                false
-            },
+            onClick = { onIsExpandedChange(!isExpanded) },
+            expanded = if (label != null) !isExpanded else false,
             containerColor = BitwardenTheme.colorScheme.filledButton.background,
             contentColor = BitwardenTheme.colorScheme.filledButton.foreground,
             shape = BitwardenTheme.shapes.fab,
@@ -131,9 +148,9 @@ fun <T : ExpandableFabOption> BitwardenExpandableFloatingActionButton(
 }
 
 @Composable
-private fun <T : ExpandableFabOption> ExpandableFabOption(
-    expandableFabOption: T,
-    onFabOptionClick: (option: T) -> Unit,
+private fun ExpandableFabOption(
+    expandableFabOption: ExpandableFabOption,
+    onFabOptionClick: (option: ExpandableFabOption) -> Unit,
     modifier: Modifier = Modifier,
 ) {
     SmallFloatingActionButton(
@@ -163,53 +180,3 @@ private fun <T : ExpandableFabOption> ExpandableFabOption(
         }
     }
 }
-
-@Composable
-private fun rememberExpandableFabState(): MutableState<ExpandableFabState> =
-    remember { mutableStateOf(ExpandableFabState.Collapsed) }
-
-/**
- * Represents options displayed when the FAB is expanded.
- */
-abstract class ExpandableFabOption(
-    val label: Text,
-    val icon: IconData.Local,
-    val onFabOptionClick: () -> Unit,
-)
-
-/**
- * Models data for an expandable FAB icon.
- */
-data class ExpandableFabIcon(
-    val icon: IconData.Local,
-    val iconRotation: Float?,
-)
-
-/**
- * Models the state of the expandable FAB.
- */
-sealed class ExpandableFabState {
-    /**
-     * Indicates if the FAB is expanded.
-     */
-    fun isExpanded(): Boolean = this == Expanded
-
-    /**
-     * Invert the state of the FAB.
-     */
-    fun toggleValue(): ExpandableFabState = if (isExpanded()) {
-        Collapsed
-    } else {
-        Expanded
-    }
-
-    /**
-     * Indicates the FAB is collapsed.
-     */
-    data object Collapsed : ExpandableFabState()
-
-    /**
-     * Indicates the FAB is expanded.
-     */
-    data object Expanded : ExpandableFabState()
-}

ui/src/main/kotlin/com/bitwarden/ui/platform/components/fab/model/ExpandableFabIcon.kt

@@ -0,0 +1,11 @@
+package com.bitwarden.ui.platform.components.fab.model
+
+import com.bitwarden.ui.platform.components.icon.model.IconData
+
+/**
+ * Models data for an expandable FAB icon.
+ */
+data class ExpandableFabIcon(
+    val icon: IconData.Local,
+    val iconRotation: Float,
+)

ui/src/main/kotlin/com/bitwarden/ui/platform/components/fab/model/ExpandableFabOption.kt

@@ -0,0 +1,13 @@
+package com.bitwarden.ui.platform.components.fab.model
+
+import com.bitwarden.ui.platform.components.icon.model.IconData
+import com.bitwarden.ui.util.Text
+
+/**
+ * Represents options displayed when the FAB is expanded.
+ */
+data class ExpandableFabOption(
+    val label: Text,
+    val icon: IconData.Local,
+    val onFabOptionClick: () -> Unit,
+)