feat(in-app-notifications): add Learn more CTA when supporting text overflows on banner inline notifications

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/atom/text/TextBodyMedium.kt

@@ -4,6 +4,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.TextLayoutResult
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import app.k9mail.core.ui.compose.theme2.MainTheme
@@ -17,6 +18,7 @@ fun TextBodyMedium(
     textAlign: TextAlign? = null,
     overflow: TextOverflow = TextOverflow.Clip,
     maxLines: Int = Int.MAX_VALUE,
+    onTextLayout: (TextLayoutResult) -> Unit = {},
 ) {
     Material3Text(
         text = text,
@@ -26,6 +28,7 @@ fun TextBodyMedium(
         overflow = overflow,
         maxLines = maxLines,
         style = MainTheme.typography.bodyMedium,
+        onTextLayout = onTextLayout,
     )
 }
 
@@ -37,6 +40,7 @@ fun TextBodyMedium(
     textAlign: TextAlign? = null,
     overflow: TextOverflow = TextOverflow.Clip,
     maxLines: Int = Int.MAX_VALUE,
+    onTextLayout: (TextLayoutResult) -> Unit = {},
 ) {
     Material3Text(
         text = text,
@@ -46,5 +50,6 @@ fun TextBodyMedium(
         overflow = overflow,
         maxLines = maxLines,
         style = MainTheme.typography.bodyMedium,
+        onTextLayout = onTextLayout,
     )
 }

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/organism/banner/inline/BannerInlineNotificationCard.kt

@@ -14,6 +14,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.TextLayoutResult
 import androidx.compose.ui.text.style.TextOverflow
 import app.k9mail.core.ui.compose.designsystem.atom.card.CardColors
 import app.k9mail.core.ui.compose.designsystem.atom.card.CardOutlined
@@ -54,6 +55,7 @@ internal fun BannerInlineNotificationCard(
     border: BorderStroke = BannerNotificationCardDefaults.errorCardBorder(),
     shape: Shape = BannerNotificationCardDefaults.bannerInlineShape,
     behaviour: BannerInlineNotificationCardBehaviour = BannerNotificationCardDefaults.bannerInlineBehaviour,
+    onSupportingTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     val maxLines = when (behaviour) {
         BannerInlineNotificationCardBehaviour.Clipped -> 2
@@ -74,6 +76,11 @@ internal fun BannerInlineNotificationCard(
                 supportingText = supportingText,
                 behaviour = behaviour,
                 maxLines = maxLines,
+                onTextOverflow = { hasVisualOverflow ->
+                    if (behaviour == BannerInlineNotificationCardBehaviour.Clipped) {
+                        onSupportingTextOverflow(hasVisualOverflow)
+                    }
+                },
             )
         },
         actions = actions,
@@ -186,11 +193,12 @@ private fun BannerInlineNotificationTitle(
 }
 
 @Composable
-fun BannerInlineNotificationSupportingText(
+private fun BannerInlineNotificationSupportingText(
     supportingText: CharSequence,
     behaviour: BannerInlineNotificationCardBehaviour,
     maxLines: Int,
     modifier: Modifier = Modifier,
+    onTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     val clippedSupportingText = remember(supportingText, behaviour) {
         when (behaviour) {
@@ -200,26 +208,32 @@ fun BannerInlineNotificationSupportingText(
             else -> supportingText
         }
     }
+    val onTextLayout = remember<(TextLayoutResult) -> Unit>(onTextOverflow) {
+        { textLayoutResult -> onTextOverflow(textLayoutResult.hasVisualOverflow) }
+    }
     when (clippedSupportingText) {
         is String -> TextBodyMedium(
             text = clippedSupportingText,
             maxLines = maxLines,
             overflow = TextOverflow.Ellipsis,
             modifier = modifier,
+            onTextLayout = onTextLayout,
         )
 
         is AnnotatedString -> TextBodyMedium(
             text = clippedSupportingText,
             maxLines = maxLines,
             overflow = TextOverflow.Ellipsis,
             modifier = modifier,
+            onTextLayout = onTextLayout,
         )
 
         else -> TextBodyMedium(
             text = clippedSupportingText.toString(),
             maxLines = maxLines,
             overflow = TextOverflow.Ellipsis,
             modifier = modifier,
+            onTextLayout = onTextLayout,
         )
     }
 }

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/organism/banner/inline/ErrorBannerInlineNotificationCard.kt

@@ -25,6 +25,7 @@ fun ErrorBannerInlineNotificationCard(
     actions: @Composable RowScope.() -> Unit,
     modifier: Modifier = Modifier,
     behaviour: BannerInlineNotificationCardBehaviour = BannerNotificationCardDefaults.bannerInlineBehaviour,
+    onSupportingTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     BannerInlineNotificationCard(
         icon = { Icon(imageVector = Icons.Outlined.Report) },
@@ -35,5 +36,6 @@ fun ErrorBannerInlineNotificationCard(
         behaviour = behaviour,
         colors = BannerNotificationCardDefaults.errorCardColors(),
         border = BannerNotificationCardDefaults.errorCardBorder(),
+        onSupportingTextOverflow = onSupportingTextOverflow,
     )
 }

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/organism/banner/inline/InfoBannerInlineNotificationCard.kt

@@ -25,6 +25,7 @@ fun InfoBannerInlineNotificationCard(
     actions: @Composable RowScope.() -> Unit,
     modifier: Modifier = Modifier,
     behaviour: BannerInlineNotificationCardBehaviour = BannerNotificationCardDefaults.bannerInlineBehaviour,
+    onSupportingTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     BannerInlineNotificationCard(
         icon = { Icon(imageVector = Icons.Outlined.Info) },
@@ -35,5 +36,6 @@ fun InfoBannerInlineNotificationCard(
         behaviour = behaviour,
         colors = BannerNotificationCardDefaults.infoCardColors(),
         border = BannerNotificationCardDefaults.infoCardBorder(),
+        onSupportingTextOverflow = onSupportingTextOverflow,
     )
 }

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/organism/banner/inline/SuccessBannerInlineNotificationCard.kt

@@ -25,6 +25,7 @@ fun SuccessBannerInlineNotificationCard(
     actions: @Composable RowScope.() -> Unit,
     modifier: Modifier = Modifier,
     behaviour: BannerInlineNotificationCardBehaviour = BannerNotificationCardDefaults.bannerInlineBehaviour,
+    onSupportingTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     BannerInlineNotificationCard(
         icon = { Icon(imageVector = Icons.Outlined.CheckCircle) },
@@ -35,5 +36,6 @@ fun SuccessBannerInlineNotificationCard(
         behaviour = behaviour,
         colors = BannerNotificationCardDefaults.successCardColors(),
         border = BannerNotificationCardDefaults.successCardBorder(),
+        onSupportingTextOverflow = onSupportingTextOverflow,
     )
 }

core/ui/compose/designsystem/src/main/kotlin/app/k9mail/core/ui/compose/designsystem/organism/banner/inline/WarningBannerInlineNotificationCard.kt

@@ -26,6 +26,7 @@ fun WarningBannerInlineNotificationCard(
     actions: @Composable RowScope.() -> Unit,
     modifier: Modifier = Modifier,
     behaviour: BannerInlineNotificationCardBehaviour = BannerNotificationCardDefaults.bannerInlineBehaviour,
+    onSupportingTextOverflow: (hasVisualOverflow: Boolean) -> Unit = {},
 ) {
     BannerInlineNotificationCard(
         icon = { Icon(imageVector = Icons.Outlined.Warning) },
@@ -36,5 +37,6 @@ fun WarningBannerInlineNotificationCard(
         behaviour = behaviour,
         colors = BannerNotificationCardDefaults.warningCardColors(),
         border = BannerNotificationCardDefaults.warningCardBorder(),
+        onSupportingTextOverflow = onSupportingTextOverflow,
     )
 }

feature/notification/api/src/androidMain/kotlin/net/thunderbird/feature/notification/api/ui/BannerInlineNotificationListHost.kt

@@ -9,7 +9,9 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import app.k9mail.core.ui.compose.designsystem.molecule.notification.NotificationActionButton
 import app.k9mail.core.ui.compose.designsystem.organism.banner.inline.BannerInlineNotificationCardBehaviour
@@ -21,13 +23,15 @@ import net.thunderbird.feature.notification.api.ui.BannerInlineNotificationListH
 import net.thunderbird.feature.notification.api.ui.BannerInlineNotificationListHostDefaults.TEST_TAG_CHECK_ERROR_NOTIFICATIONS
 import net.thunderbird.feature.notification.api.ui.BannerInlineNotificationListHostDefaults.TEST_TAG_CHECK_ERROR_NOTIFICATIONS_ACTION
 import net.thunderbird.feature.notification.api.ui.BannerInlineNotificationListHostDefaults.TEST_TAG_HOST_PARENT
+import net.thunderbird.feature.notification.api.ui.BannerInlineNotificationListHostDefaults.TEST_TAG_LEARN_MORE_ACTION
 import net.thunderbird.feature.notification.api.ui.action.NotificationAction
 import net.thunderbird.feature.notification.api.ui.action.ResolvedNotificationActionButton
 import net.thunderbird.feature.notification.api.ui.animation.bannerSlideInSlideOutAnimationSpec
 import net.thunderbird.feature.notification.api.ui.host.InAppNotificationHostStateHolder
 import net.thunderbird.feature.notification.api.ui.host.visual.BannerInlineVisual
 import net.thunderbird.feature.notification.resources.api.Res
 import net.thunderbird.feature.notification.resources.api.banner_inline_notification_check_error_notifications
+import net.thunderbird.feature.notification.resources.api.banner_inline_notification_learn_more
 import net.thunderbird.feature.notification.resources.api.banner_inline_notification_open_notifications
 import net.thunderbird.feature.notification.resources.api.banner_inline_notification_some_messages_need_attention
 import org.jetbrains.compose.resources.stringResource
@@ -105,25 +109,11 @@ private fun BannerInlineNotificationListHostLayout(
         verticalArrangement = Arrangement.spacedBy(MainTheme.spacings.half),
     ) {
         displayableNotifications.forEachIndexed { index, banner ->
-            ErrorBannerInlineNotificationCard(
-                title = banner.title,
-                supportingText = banner.supportingText,
-                actions = {
-                    banner.actions.forEachIndexed { actionIndex, action ->
-                        ResolvedNotificationActionButton(
-                            action = action,
-                            onActionClick = onActionClick,
-                            modifier = Modifier.testTagAsResourceId(
-                                tag = BannerInlineNotificationListHostDefaults.testTagBannerInlineListItemAction(
-                                    index = index,
-                                    actionIndex = actionIndex,
-                                ),
-                            ),
-                        )
-                    }
-                },
-                behaviour = BannerInlineNotificationCardBehaviour.Clipped,
-                modifier = Modifier.animateContentSize(),
+            BannerInlineItem(
+                index = index,
+                banner = banner,
+                onActionClick = onActionClick,
+                onOpenErrorNotificationsClick = onOpenErrorNotificationsClick,
             )
         }
 
@@ -150,11 +140,53 @@ private fun BannerInlineNotificationListHostLayout(
     }
 }
 
+@Composable
+private fun BannerInlineItem(
+    index: Int,
+    banner: BannerInlineVisual,
+    onActionClick: (NotificationAction) -> Unit,
+    onOpenErrorNotificationsClick: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    var hasSupportingTextOverflowed by remember { mutableStateOf(false) }
+    ErrorBannerInlineNotificationCard(
+        title = banner.title,
+        supportingText = banner.supportingText,
+        actions = {
+            if (hasSupportingTextOverflowed) {
+                NotificationActionButton(
+                    text = stringResource(
+                        resource = Res.string.banner_inline_notification_learn_more,
+                    ),
+                    onClick = onOpenErrorNotificationsClick,
+                    modifier = Modifier.testTagAsResourceId(TEST_TAG_LEARN_MORE_ACTION),
+                )
+            }
+            banner.actions.forEachIndexed { actionIndex, action ->
+                ResolvedNotificationActionButton(
+                    action = action,
+                    onActionClick = onActionClick,
+                    modifier = Modifier.testTagAsResourceId(
+                        tag = BannerInlineNotificationListHostDefaults.testTagBannerInlineListItemAction(
+                            index = index,
+                            actionIndex = actionIndex,
+                        ),
+                    ),
+                )
+            }
+        },
+        behaviour = BannerInlineNotificationCardBehaviour.Clipped,
+        modifier = modifier.animateContentSize(),
+        onSupportingTextOverflow = { hasSupportingTextOverflowed = it },
+    )
+}
+
 object BannerInlineNotificationListHostDefaults {
     internal const val TEST_TAG_HOST_PARENT = "banner_inline_notification_host"
     internal const val TEST_TAG_BANNER_INLINE_LIST = "banner_inline_notification_list"
     internal const val TEST_TAG_CHECK_ERROR_NOTIFICATIONS = "check_notifications_composable"
     internal const val TEST_TAG_CHECK_ERROR_NOTIFICATIONS_ACTION = "check_notifications_action"
+    internal const val TEST_TAG_LEARN_MORE_ACTION = "learn_more_action"
 
     internal fun testTagBannerInlineListItemAction(index: Int, actionIndex: Int) =
         "banner_inline_notification_list_item_action_${index}_$actionIndex"

feature/notification/api/src/commonMain/composeResources/values/strings.xml

@@ -60,5 +60,6 @@
     <string name="banner_inline_notification_check_error_notifications">Check Error Notifications</string>
     <string name="banner_inline_notification_some_messages_need_attention">Some messages need your attention.</string>
     <string name="banner_inline_notification_open_notifications">Open notifications</string>
+    <string name="banner_inline_notification_learn_more">Learn more</string>
     <string name="banner_inline_notification_view_support_article">View support article</string>
 </resources>