improvement: Show a tip that you can generate disposable emails #724

common/src/commonMain/composeResources/values/strings.xml

@@ -230,6 +230,9 @@
     <string name="bitwarden_premium_required">Requires Bitwarden premium</string>
     <string name="bitwarden_unofficial_server">Unofficial Bitwarden server</string>
 
+    <string name="pro_tip">Pro tip: <xliff:g id="tip" example="Wake up early and work a lot!">%1$s</xliff:g></string>
+    <string name="pro_tip_generate_email_relay_title">Generate disposable emails for the better privacy.</string>
+
     <string name="account_last_synced_at">Last synced at <xliff:g id="date" example="1 January 1970 12:30">%1$s</xliff:g></string>
     <string name="account_action_change_name_title">Change name</string>
     <string name="account_action_change_color_title">Change color</string>

common/src/commonMain/kotlin/com/artemchep/keyguard/feature/generator/GeneratorStateProducer.kt

@@ -92,6 +92,8 @@ import com.artemchep.keyguard.res.Res
 import com.artemchep.keyguard.res.*
 import com.artemchep.keyguard.ui.ContextItem
 import com.artemchep.keyguard.ui.FlatItemAction
+import com.artemchep.keyguard.ui.FlatSimpleNote
+import com.artemchep.keyguard.ui.SimpleNote
 import com.artemchep.keyguard.ui.buildContextItems
 import com.artemchep.keyguard.ui.icons.KeyguardIcons
 import com.artemchep.keyguard.ui.icons.icon
@@ -1700,12 +1702,40 @@ private fun RememberStateFlowScope.flowOfGeneratorType(
         typesAllFlow,
         typeFlow,
     ) { allTypes, type ->
+        val shouldShowEmailRelayProTip = allTypes.none { it is GeneratorType2.EmailRelay }
+
         val typeTitle = translate(type.title)
         val typeItems = buildContextItems {
+            var prevGroup: String? = null
             allTypes.forEachIndexed { index, item ->
                 if (index > 0) {
-                    val groupChanged = allTypes[index - 1].group != item.group
+                    val groupChanged = prevGroup != item.group
                     if (groupChanged) {
+                        if (
+                            prevGroup == GENERATOR_TYPE_GROUP_USERNAME &&
+                            shouldShowEmailRelayProTip
+                        ) {
+                            val tipBody = translate(Res.string.pro_tip_generate_email_relay_title)
+                            val tip = translate(Res.string.pro_tip, tipBody)
+
+                            val note = SimpleNote(
+                                text = tip,
+                                type = SimpleNote.Type.INFO,
+                            )
+                            this += ContextItem.Custom {
+                                FlatSimpleNote(
+                                    type = note.type,
+                                    text = note.text,
+                                    onClick = {
+                                        val route = EmailRelayListRoute
+                                        val intent = NavigationIntent.NavigateToRoute(route)
+                                        navigate(intent)
+                                    },
+                                    icon = false,
+                                )
+                            }
+                        }
+
                         this += when (item.group) {
                             GENERATOR_TYPE_GROUP_INTEGRATION ->
                                 ContextItem.Section(
@@ -1738,6 +1768,8 @@ private fun RememberStateFlowScope.flowOfGeneratorType(
                         )
                     }
                 }
+
+                prevGroup = item.group
             }
         }
         GeneratorState.Type(

common/src/commonMain/kotlin/com/artemchep/keyguard/ui/SimpleNote.kt

@@ -62,6 +62,7 @@ fun FlatSimpleNote(
     content: (@Composable ColumnScope.() -> Unit)? = null,
     onClick: (() -> Unit)? = null,
     enabled: Boolean = true,
+    icon: Boolean = true,
 ) {
     val tintColor = when (type) {
         SimpleNote.Type.OK -> MaterialTheme.colorScheme.ok
@@ -86,23 +87,28 @@ fun FlatSimpleNote(
         backgroundColor = surfaceColor
             .combineAlpha(DisabledEmphasisAlpha),
         contentColor = contentColor,
-        leading = {
-            if (leading != null) {
-                leading.invoke(this)
-                return@FlatItemLayout
-            }
+        leading = if (icon) {
+            // composable
+            leading@{
+                if (leading != null) {
+                    leading.invoke(this)
+                    return@leading
+                }
 
-            val imageVector = when (type) {
-                SimpleNote.Type.OK -> Icons.Outlined.Check
-                SimpleNote.Type.INFO -> Icons.Outlined.Info
-                SimpleNote.Type.WARNING -> Icons.Outlined.Warning
-                SimpleNote.Type.ERROR -> Icons.Outlined.ErrorOutline
+                val imageVector = when (type) {
+                    SimpleNote.Type.OK -> Icons.Outlined.Check
+                    SimpleNote.Type.INFO -> Icons.Outlined.Info
+                    SimpleNote.Type.WARNING -> Icons.Outlined.Warning
+                    SimpleNote.Type.ERROR -> Icons.Outlined.ErrorOutline
+                }
+                Icon(
+                    imageVector = imageVector,
+                    contentDescription = null,
+                    tint = tintColor,
+                )
             }
-            Icon(
-                imageVector = imageVector,
-                contentDescription = null,
-                tint = tintColor,
-            )
+        } else {
+            null
         },
         content = {
             if (title != null) {