android, desktop: role-based preferences, SimpleX links preference (#4023)

* android, desktop: role-based preferences, SimpleX links preference * disable for now * different way of disabling send button * mic icon filled * icons * braces * colors --------- Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
2026-08-28 20:38:20 +00:00 · 2024-04-13 11:51:10 +01:00
parent 433b3652fb
commit de81434b36
11 changed files with 258 additions and 73 deletions
@@ -805,6 +805,24 @@ data class Chat(

  val id: String get() = chatInfo.id

+  fun groupFeatureEnabled(feature: GroupFeature): Boolean =
+    if (chatInfo is ChatInfo.Group) {
+      val groupInfo = chatInfo.groupInfo
+      val p = groupInfo.fullGroupPreferences
+      when (feature) {
+        GroupFeature.TimedMessages -> p.timedMessages.on
+        GroupFeature.DirectMessages -> p.directMessages.on(groupInfo.membership)
+        GroupFeature.FullDelete -> p.fullDelete.on
+        GroupFeature.Reactions -> p.reactions.on
+        GroupFeature.Voice -> p.voice.on(groupInfo.membership)
+        GroupFeature.Files -> p.files.on(groupInfo.membership)
+        GroupFeature.SimplexLinks -> p.simplexLinks.on(groupInfo.membership)
+        GroupFeature.History -> p.history.on
+      }
+    } else {
+      true
+    }
+
  @Serializable
  data class ChatStats(val unreadCount: Int = 0, val minUnreadItemId: Long = 0, val unreadChat: Boolean = false)

@@ -1240,7 +1258,7 @@ data class GroupInfo (
    ChatFeature.TimedMessages -> fullGroupPreferences.timedMessages.on
    ChatFeature.FullDelete -> fullGroupPreferences.fullDelete.on
    ChatFeature.Reactions -> fullGroupPreferences.reactions.on
-    ChatFeature.Voice -> fullGroupPreferences.voice.on
+    ChatFeature.Voice -> fullGroupPreferences.voice.on(membership)
    ChatFeature.Calls -> false
  }
  override val timedMessagesTTL: Int? get() = with(fullGroupPreferences.timedMessages) { if (on) ttl else null }
@@ -2319,8 +2337,8 @@ sealed class CIContent: ItemContent {
  @Serializable @SerialName("sndChatFeature") class SndChatFeature(val feature: ChatFeature, val enabled: FeatureEnabled, val param: Int? = null): CIContent() { override val msgContent: MsgContent? get() = null }
  @Serializable @SerialName("rcvChatPreference") class RcvChatPreference(val feature: ChatFeature, val allowed: FeatureAllowed, val param: Int? = null): CIContent() { override val msgContent: MsgContent? get() = null }
  @Serializable @SerialName("sndChatPreference") class SndChatPreference(val feature: ChatFeature, val allowed: FeatureAllowed, val param: Int? = null): CIContent() { override val msgContent: MsgContent? get() = null }
-  @Serializable @SerialName("rcvGroupFeature") class RcvGroupFeature(val groupFeature: GroupFeature, val preference: GroupPreference, val param: Int? = null): CIContent() { override val msgContent: MsgContent? get() = null }
-  @Serializable @SerialName("sndGroupFeature") class SndGroupFeature(val groupFeature: GroupFeature, val preference: GroupPreference, val param: Int? = null): CIContent() { override val msgContent: MsgContent? get() = null }
+  @Serializable @SerialName("rcvGroupFeature") class RcvGroupFeature(val groupFeature: GroupFeature, val preference: GroupPreference, val param: Int? = null, val memberRole_: GroupMemberRole?): CIContent() { override val msgContent: MsgContent? get() = null }
+  @Serializable @SerialName("sndGroupFeature") class SndGroupFeature(val groupFeature: GroupFeature, val preference: GroupPreference, val param: Int? = null, val memberRole_: GroupMemberRole?): CIContent() { override val msgContent: MsgContent? get() = null }
  @Serializable @SerialName("rcvChatFeatureRejected") class RcvChatFeatureRejected(val feature: ChatFeature): CIContent() { override val msgContent: MsgContent? get() = null }
  @Serializable @SerialName("rcvGroupFeatureRejected") class RcvGroupFeatureRejected(val groupFeature: GroupFeature): CIContent() { override val msgContent: MsgContent? get() = null }
  @Serializable @SerialName("sndModerated") object SndModerated: CIContent() { override val msgContent: MsgContent? get() = null }
@@ -2352,8 +2370,8 @@ sealed class CIContent: ItemContent {
      is SndChatFeature -> featureText(feature, enabled.text, param)
      is RcvChatPreference -> preferenceText(feature, allowed, param)
      is SndChatPreference -> preferenceText(feature, allowed, param)
-      is RcvGroupFeature -> featureText(groupFeature, preference.enable.text, param)
-      is SndGroupFeature -> featureText(groupFeature, preference.enable.text, param)
+      is RcvGroupFeature -> featureText(groupFeature, preference.enable.text, param, memberRole_)
+      is SndGroupFeature -> featureText(groupFeature, preference.enable.text, param, memberRole_)
      is RcvChatFeatureRejected -> "${feature.text}: ${generalGetString(MR.strings.feature_received_prohibited)}"
      is RcvGroupFeatureRejected -> "${groupFeature.text}: ${generalGetString(MR.strings.feature_received_prohibited)}"
      is SndModerated -> generalGetString(MR.strings.moderated_description)
@@ -2390,11 +2408,23 @@ sealed class CIContent: ItemContent {

    private val e2eeInfoNoPQStr: String = generalGetString(MR.strings.e2ee_info_no_pq_short)

-    fun featureText(feature: Feature, enabled: String, param: Int?): String =
-      if (feature.hasParam) {
+    fun featureText(feature: Feature, enabled: String, param: Int?, role: GroupMemberRole? = null): String =
+      (if (feature.hasParam) {
        "${feature.text}: ${timeText(param)}"
      } else {
        "${feature.text}: $enabled"
+      }) + (
+          if (feature.hasRole && role != null)
+            " (${roleText(role)})"
+          else
+            ""
+          )
+
+    private fun roleText(role: GroupMemberRole?): String =
+      when (role) {
+        GroupMemberRole.Owner -> generalGetString(MR.strings.feature_roles_owners)
+        GroupMemberRole.Admin -> generalGetString(MR.strings.feature_roles_admins)
+        else -> generalGetString(MR.strings.feature_roles_all_members)
      }

    fun preferenceText(feature: Feature, allowed: FeatureAllowed, param: Int?): String = when {
@@ -3430,6 +3430,7 @@ interface Feature {
  @Composable
  fun iconFilled(): Painter
  val hasParam: Boolean
+  val hasRole: Boolean
 }

@Serializable
@@ -3449,6 +3450,7 @@ enum class ChatFeature: Feature {
      TimedMessages -> true
      else -> false
    }
+  override val hasRole: Boolean = false

  override val text: String
    get() = when(this) {
@@ -3549,6 +3551,7 @@ enum class GroupFeature: Feature {
  @SerialName("reactions") Reactions,
  @SerialName("voice") Voice,
  @SerialName("files") Files,
+  @SerialName("simplexLinks") SimplexLinks,
  @SerialName("history") History;

  override val hasParam: Boolean get() = when(this) {
@@ -3556,6 +3559,18 @@ enum class GroupFeature: Feature {
    else -> false
  }

+  override val hasRole: Boolean
+    get() = when (this) {
+      TimedMessages -> false
+      DirectMessages -> true
+      FullDelete -> false
+      Reactions -> false
+      Voice -> true
+      Files -> true
+      SimplexLinks -> true
+      History -> false
+    }
+
  override val text: String
    get() = when(this) {
      TimedMessages -> generalGetString(MR.strings.timed_messages)
@@ -3564,6 +3579,7 @@ enum class GroupFeature: Feature {
      Reactions -> generalGetString(MR.strings.message_reactions)
      Voice -> generalGetString(MR.strings.voice_messages)
      Files -> generalGetString(MR.strings.files_and_media)
+      SimplexLinks -> generalGetString(MR.strings.simplex_links)
      History -> generalGetString(MR.strings.recent_history)
    }

@@ -3575,6 +3591,7 @@ enum class GroupFeature: Feature {
      Reactions -> painterResource(MR.images.ic_add_reaction)
      Voice -> painterResource(MR.images.ic_keyboard_voice)
      Files -> painterResource(MR.images.ic_draft)
+      SimplexLinks -> painterResource(MR.images.ic_link)
      History -> painterResource(MR.images.ic_schedule)
    }

@@ -3586,6 +3603,7 @@ enum class GroupFeature: Feature {
    Reactions -> painterResource(MR.images.ic_add_reaction_filled)
    Voice -> painterResource(MR.images.ic_keyboard_voice_filled)
    Files -> painterResource(MR.images.ic_draft_filled)
+    SimplexLinks -> painterResource(MR.images.ic_link)
    History -> painterResource(MR.images.ic_schedule_filled)
  }

@@ -3616,6 +3634,10 @@ enum class GroupFeature: Feature {
          GroupFeatureEnabled.ON -> generalGetString(MR.strings.allow_to_send_files)
          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.prohibit_sending_files)
        }
+        SimplexLinks -> when(enabled) {
+          GroupFeatureEnabled.ON -> generalGetString(MR.strings.allow_to_send_simplex_links)
+          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.prohibit_sending_simplex_links)
+        }
        History -> when(enabled) {
          GroupFeatureEnabled.ON -> generalGetString(MR.strings.enable_sending_recent_history)
          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.disable_sending_recent_history)
@@ -3647,6 +3669,10 @@ enum class GroupFeature: Feature {
          GroupFeatureEnabled.ON -> generalGetString(MR.strings.group_members_can_send_files)
          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.files_are_prohibited_in_group)
        }
+        SimplexLinks -> when(enabled) {
+          GroupFeatureEnabled.ON -> generalGetString(MR.strings.group_members_can_send_simplex_links)
+          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.simplex_links_are_prohibited_in_group)
+        }
        History -> when(enabled) {
          GroupFeatureEnabled.ON -> generalGetString(MR.strings.recent_history_is_sent_to_new_members)
          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.recent_history_is_not_sent_to_new_members)
@@ -3760,11 +3786,12 @@ enum class FeatureAllowed {
@Serializable
 data class FullGroupPreferences(
  val timedMessages: TimedMessagesGroupPreference,
-  val directMessages: GroupPreference,
+  val directMessages: RoleGroupPreference,
  val fullDelete: GroupPreference,
  val reactions: GroupPreference,
-  val voice: GroupPreference,
-  val files: GroupPreference,
+  val voice: RoleGroupPreference,
+  val files: RoleGroupPreference,
+  val simplexLinks: RoleGroupPreference,
  val history: GroupPreference,
 ) {
  fun toGroupPreferences(): GroupPreferences =
@@ -3775,17 +3802,19 @@ data class FullGroupPreferences(
      reactions = reactions,
      voice = voice,
      files = files,
+      simplexLinks = simplexLinks,
      history = history
    )

  companion object {
    val sampleData = FullGroupPreferences(
      timedMessages = TimedMessagesGroupPreference(GroupFeatureEnabled.OFF),
-      directMessages = GroupPreference(GroupFeatureEnabled.OFF),
+      directMessages = RoleGroupPreference(GroupFeatureEnabled.OFF, role = null),
      fullDelete = GroupPreference(GroupFeatureEnabled.OFF),
      reactions = GroupPreference(GroupFeatureEnabled.ON),
-      voice = GroupPreference(GroupFeatureEnabled.ON),
-      files = GroupPreference(GroupFeatureEnabled.ON),
+      voice = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
+      files = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
+      simplexLinks = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
      history = GroupPreference(GroupFeatureEnabled.ON),
    )
  }
@@ -3794,21 +3823,23 @@ data class FullGroupPreferences(
@Serializable
 data class GroupPreferences(
  val timedMessages: TimedMessagesGroupPreference? = null,
-  val directMessages: GroupPreference? = null,
+  val directMessages: RoleGroupPreference? = null,
  val fullDelete: GroupPreference? = null,
  val reactions: GroupPreference? = null,
-  val voice: GroupPreference? = null,
-  val files: GroupPreference? = null,
+  val voice: RoleGroupPreference? = null,
+  val files: RoleGroupPreference? = null,
+  val simplexLinks: RoleGroupPreference? = null,
  val history: GroupPreference? = null,
 ) {
  companion object {
    val sampleData = GroupPreferences(
      timedMessages = TimedMessagesGroupPreference(GroupFeatureEnabled.OFF),
-      directMessages = GroupPreference(GroupFeatureEnabled.OFF),
+      directMessages = RoleGroupPreference(GroupFeatureEnabled.OFF, role = null),
      fullDelete = GroupPreference(GroupFeatureEnabled.OFF),
      reactions = GroupPreference(GroupFeatureEnabled.ON),
-      voice = GroupPreference(GroupFeatureEnabled.ON),
-      files = GroupPreference(GroupFeatureEnabled.ON),
+      voice = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
+      files = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
+      simplexLinks = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
      history = GroupPreference(GroupFeatureEnabled.ON),
    )
  }
@@ -3819,6 +3850,26 @@ data class GroupPreference(
  val enable: GroupFeatureEnabled
 ) {
  val on: Boolean get() = enable == GroupFeatureEnabled.ON
+
+  fun enabled(role: GroupMemberRole?, m: GroupMember?): GroupFeatureEnabled =
+    when (enable) {
+      GroupFeatureEnabled.OFF -> GroupFeatureEnabled.OFF
+      GroupFeatureEnabled.ON ->
+        if (role != null && m != null) {
+          if (m.memberRole >= role) GroupFeatureEnabled.ON else GroupFeatureEnabled.OFF
+        } else {
+          GroupFeatureEnabled.ON
+        }
+    }
+}
+
+@Serializable
+data class RoleGroupPreference(
+  val enable: GroupFeatureEnabled,
+  val role: GroupMemberRole? = null,
+) {
+  fun on(m: GroupMember): Boolean =
+    enable == GroupFeatureEnabled.ON && m.memberRole >= (role ?: GroupMemberRole.Observer)
 }

@Serializable
@@ -85,6 +85,7 @@ fun TerminalLayout(
            isDirectChat = false,
            liveMessageAlertShown = SharedPreference(get = { false }, set = {}),
            sendMsgEnabled = true,
+            sendButtonEnabled = true,
            nextSendGrpInv = false,
            needToAllowVoiceToContact = false,
            allowedVoiceByPrefs = false,
@@ -1,6 +1,7 @@
@file:UseSerializers(UriSerializer::class)
 package chat.simplex.common.views.chat

+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.*
@@ -11,6 +12,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.text.font.FontStyle
 import dev.icerock.moko.resources.compose.painterResource
 import dev.icerock.moko.resources.compose.stringResource
 import androidx.compose.ui.unit.dp
@@ -18,8 +21,7 @@ import chat.simplex.common.model.*
 import chat.simplex.common.model.ChatModel.controller
 import chat.simplex.common.model.ChatModel.filesToDelete
 import chat.simplex.common.platform.*
-import chat.simplex.common.ui.theme.Indigo
-import chat.simplex.common.ui.theme.isSystemInDarkTheme
+import chat.simplex.common.ui.theme.*
 import chat.simplex.common.views.chat.item.*
 import chat.simplex.common.views.helpers.*
 import chat.simplex.res.MR
@@ -115,6 +117,15 @@ data class ComposeState(
      }
    }

+  val attachmentPreview: Boolean
+    get() = when (preview) {
+      ComposePreview.NoPreview -> false
+      is ComposePreview.CLinkPreview -> false
+      is ComposePreview.MediaPreview -> preview.content.isNotEmpty()
+      is ComposePreview.VoicePreview -> false
+      is ComposePreview.FilePreview -> true
+    }
+
  val empty: Boolean
    get() = message.isEmpty() && preview is ComposePreview.NoPreview && contextItem is ComposeContextItem.NoContextItem

@@ -243,10 +254,23 @@ fun ComposeView(
  attachmentOption: MutableState<AttachmentOption?>,
  showChooseAttachment: () -> Unit
 ) {
+  val cancelledLinks = rememberSaveable { mutableSetOf<String>() }
+  fun isSimplexLink(link: String): Boolean =
+    link.startsWith("https://simplex.chat", true) || link.startsWith("http://simplex.chat", true)
+
+  fun parseMessage(msg: String): Pair<String?, Boolean> {
+    if (msg.isBlank()) return null to false
+    val parsedMsg = parseToMarkdown(msg) ?: return null to false
+    val link = parsedMsg.firstOrNull { ft -> ft.format is Format.Uri && !cancelledLinks.contains(ft.text) && !isSimplexLink(ft.text) }
+    val simplexLink = parsedMsg.any { ft -> ft.format is Format.SimplexLink }
+    return link?.text to simplexLink
+  }
+
  val linkUrl = rememberSaveable { mutableStateOf<String?>(null) }
+  // default value parsed because of draft
+  val hasSimplexLink = rememberSaveable { mutableStateOf(parseMessage(composeState.value.message).second) }
  val prevLinkUrl = rememberSaveable { mutableStateOf<String?>(null) }
  val pendingLinkUrl = rememberSaveable { mutableStateOf<String?>(null) }
-  val cancelledLinks = rememberSaveable { mutableSetOf<String>() }
  val useLinkPreviews = chatModel.controller.appPrefs.privacyLinkPreviews.get()
  val saveLastDraft = chatModel.controller.appPrefs.privacySaveLastDraft.get()
  val smallFont = MaterialTheme.typography.body1.copy(color = MaterialTheme.colors.onBackground)
@@ -255,15 +279,6 @@ fun ComposeView(

  AttachmentSelection(composeState, attachmentOption, composeState::processPickedFile) { uris, text -> CoroutineScope(Dispatchers.IO).launch { composeState.processPickedMedia(uris, text) } }

-  fun isSimplexLink(link: String): Boolean =
-    link.startsWith("https://simplex.chat", true) || link.startsWith("http://simplex.chat", true)
-
-  fun parseMessage(msg: String): String? {
-    val parsedMsg = parseToMarkdown(msg)
-    val link = parsedMsg?.firstOrNull { ft -> ft.format is Format.Uri && !cancelledLinks.contains(ft.text) && !isSimplexLink(ft.text) }
-    return link?.text
-  }
-
  fun loadLinkPreview(url: String, wait: Long? = null) {
    if (pendingLinkUrl.value == url) {
      composeState.value = composeState.value.copy(preview = ComposePreview.CLinkPreview(null))
@@ -283,7 +298,9 @@ fun ComposeView(

  fun showLinkPreview(s: String) {
    prevLinkUrl.value = linkUrl.value
-    linkUrl.value = parseMessage(s)
+    val parsed = parseMessage(s)
+    linkUrl.value = parsed.first
+    hasSimplexLink.value = parsed.second
    val url = linkUrl.value
    if (url != null) {
      if (url != composeState.value.linkPreview?.uri && url != pendingLinkUrl.value) {
@@ -387,7 +404,7 @@ fun ComposeView(
    fun checkLinkPreview(): MsgContent {
      return when (val composePreview = cs.preview) {
        is ComposePreview.CLinkPreview -> {
-          val url = parseMessage(msgText)
+          val url = parseMessage(msgText).first
          val lp = composePreview.linkPreview
          if (lp != null && url == lp.uri) {
            MsgContent.MCLink(msgText, preview = lp)
@@ -563,8 +580,16 @@ fun ComposeView(
    } else {
      textStyle.value = smallFont
      if (composeState.value.linkPreviewAllowed) {
-        if (s.isNotEmpty()) showLinkPreview(s)
-        else resetLinkPreview()
+        if (s.isNotEmpty()) {
+          showLinkPreview(s)
+        } else {
+          resetLinkPreview()
+          hasSimplexLink.value = false
+        }
+      } else if (s.isNotEmpty() && !chat.groupFeatureEnabled(GroupFeature.SimplexLinks)) {
+        hasSimplexLink.value = parseMessage(s).second
+      } else {
+        hasSimplexLink.value = false
      }
    }
  }
@@ -700,6 +725,16 @@ fun ComposeView(
    }
  }

+  @Composable
+  fun MsgNotAllowedView(reason: String, icon: Painter) {
+    val color = CurrentColors.collectAsState().value.appColors.receivedMessage
+    Row(Modifier.padding(top = 5.dp).fillMaxWidth().background(color).padding(horizontal = DEFAULT_PADDING_HALF, vertical = DEFAULT_PADDING_HALF * 1.5f), verticalAlignment = Alignment.CenterVertically) {
+      Icon(icon, null, tint = MaterialTheme.colors.secondary)
+      Spacer(Modifier.width(DEFAULT_PADDING_HALF))
+      Text(reason, fontStyle = FontStyle.Italic)
+    }
+  }
+
  @Composable
  fun contextItemView() {
    when (val contextItem = composeState.value.contextItem) {
@@ -743,7 +778,17 @@ fun ComposeView(
    if (nextSendGrpInv.value) {
      ComposeContextInvitingContactMemberView()
    }
+    val simplexLinkProhibited = hasSimplexLink.value && !chat.groupFeatureEnabled(GroupFeature.SimplexLinks)
+    val fileProhibited = composeState.value.attachmentPreview && !chat.groupFeatureEnabled(GroupFeature.Files)
+    val voiceProhibited = composeState.value.preview is ComposePreview.VoicePreview && !chat.chatInfo.featureEnabled(ChatFeature.Voice)
    if (composeState.value.preview !is ComposePreview.VoicePreview || composeState.value.editing) {
+      if (simplexLinkProhibited) {
+        MsgNotAllowedView(generalGetString(MR.strings.simplex_links_not_allowed), icon = painterResource(MR.images.ic_link))
+      } else if (fileProhibited) {
+        MsgNotAllowedView(generalGetString(MR.strings.files_and_media_not_allowed), icon = painterResource(MR.images.ic_draft))
+      } else if (voiceProhibited) {
+        MsgNotAllowedView(generalGetString(MR.strings.voice_messages_not_allowed), icon = painterResource(MR.images.ic_mic))
+      }
      contextItemView()
      when {
        composeState.value.editing && composeState.value.preview is ComposePreview.VoicePreview -> {}
@@ -764,7 +809,7 @@ fun ComposeView(
      modifier = Modifier.padding(end = 8.dp),
      verticalAlignment = Alignment.Bottom,
    ) {
-      val isGroupAndProhibitedFiles = chat.chatInfo is ChatInfo.Group && !chat.chatInfo.groupInfo.fullGroupPreferences.files.on
+      val isGroupAndProhibitedFiles = chat.chatInfo is ChatInfo.Group && !chat.chatInfo.groupInfo.fullGroupPreferences.files.on(chat.chatInfo.groupInfo.membership)
      val attachmentClicked = if (isGroupAndProhibitedFiles) {
        {
          AlertManager.shared.showAlertMsg(
@@ -871,6 +916,7 @@ fun ComposeView(
        chat.chatInfo is ChatInfo.Direct,
        liveMessageAlertShown = chatModel.controller.appPrefs.liveMessageAlertShown,
        sendMsgEnabled = sendMsgEnabled.value,
+        sendButtonEnabled = sendMsgEnabled.value && !(simplexLinkProhibited || fileProhibited || voiceProhibited),
        nextSendGrpInv = nextSendGrpInv.value,
        needToAllowVoiceToContact,
        allowedVoiceByPrefs,
@@ -39,6 +39,7 @@ fun SendMsgView(
  isDirectChat: Boolean,
  liveMessageAlertShown: SharedPreference<Boolean>,
  sendMsgEnabled: Boolean,
+  sendButtonEnabled: Boolean,
  nextSendGrpInv: Boolean,
  needToAllowVoiceToContact: Boolean,
  allowedVoiceByPrefs: Boolean,
@@ -75,7 +76,8 @@ fun SendMsgView(
    val showDeleteTextButton = rememberSaveable { mutableStateOf(false) }
    val sendMsgButtonDisabled = !sendMsgEnabled || !cs.sendEnabled() ||
      (!allowedVoiceByPrefs && cs.preview is ComposePreview.VoicePreview) ||
-      cs.endLiveDisabled
+        cs.endLiveDisabled ||
+        !sendButtonEnabled
    PlatformTextField(composeState, sendMsgEnabled, sendMsgButtonDisabled, textStyle, showDeleteTextButton, userIsObserver, onMessageChange, editPrevMessage, onFilesPasted) {
      if (!cs.inProgress) {
        sendMessage(null)
@@ -430,7 +432,7 @@ private fun SendMsgButton(
        .padding(4.dp)
        .alpha(alpha.value)
        .clip(CircleShape)
-        .background(if (enabled) sendButtonColor else MaterialTheme.colors.secondary)
+        .background(if (enabled) sendButtonColor else MaterialTheme.colors.secondary.copy(alpha = 0.75f))
        .padding(3.dp)
    )
  }
@@ -552,6 +554,7 @@ fun PreviewSendMsgView() {
      isDirectChat = true,
      liveMessageAlertShown = SharedPreference(get = { true }, set = { }),
      sendMsgEnabled = true,
+      sendButtonEnabled = true,
      nextSendGrpInv = false,
      needToAllowVoiceToContact = false,
      allowedVoiceByPrefs = true,
@@ -586,6 +589,7 @@ fun PreviewSendMsgViewEditing() {
      isDirectChat = true,
      liveMessageAlertShown = SharedPreference(get = { true }, set = { }),
      sendMsgEnabled = true,
+      sendButtonEnabled = true,
      nextSendGrpInv = false,
      needToAllowVoiceToContact = false,
      allowedVoiceByPrefs = true,
@@ -620,6 +624,7 @@ fun PreviewSendMsgViewInProgress() {
      isDirectChat = true,
      liveMessageAlertShown = SharedPreference(get = { true }, set = { }),
      sendMsgEnabled = true,
+      sendButtonEnabled = true,
      nextSendGrpInv = false,
      needToAllowVoiceToContact = false,
      allowedVoiceByPrefs = true,
@@ -309,7 +309,7 @@ fun GroupMemberInfoLayout(
      SectionView {
        if (contactId != null && knownDirectChat(contactId) != null) {
          OpenChatButton(onClick = { openDirectChat(contactId) })
-        } else if (groupInfo.fullGroupPreferences.directMessages.on) {
+        } else if (groupInfo.fullGroupPreferences.directMessages.on(groupInfo.membership)) {
          if (contactId != null) {
            OpenChatButton(onClick = { openDirectChat(contactId) })
          } else if (member.activeConn?.peerChatVRange?.isCompatibleRange(CREATE_MEMBER_CONTACT_VRANGE) == true) {
@@ -335,7 +335,7 @@ fun GroupMemberInfoLayout(
        val clipboard = LocalClipboardManager.current
        ShareAddressButton { clipboard.shareText(simplexChatLink(member.contactLink)) }
        if (contactId != null) {
-          if (knownDirectChat(contactId) == null && !groupInfo.fullGroupPreferences.directMessages.on) {
+          if (knownDirectChat(contactId) == null && !groupInfo.fullGroupPreferences.directMessages.on(groupInfo.membership)) {
            ConnectViaAddressButton(onClick = { connectViaAddress(member.contactLink) })
          }
        } else {
@@ -6,7 +6,6 @@ import SectionDividerSpaced
 import SectionItemView
 import SectionTextFooter
 import SectionView
-import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
@@ -20,13 +19,20 @@ import chat.simplex.common.views.usersettings.PreferenceToggleWithIcon
 import chat.simplex.common.model.*
 import chat.simplex.common.platform.ColumnWithScrollBar
 import chat.simplex.res.MR
+import dev.icerock.moko.resources.compose.painterResource
+
+private val featureRoles: List<Pair<GroupMemberRole?, String>> = listOf(
+  null to generalGetString(MR.strings.feature_roles_all_members),
+  GroupMemberRole.Admin to generalGetString(MR.strings.feature_roles_admins),
+  GroupMemberRole.Owner to generalGetString(MR.strings.feature_roles_owners)
+)

@Composable
-fun GroupPreferencesView(m: ChatModel, rhId: Long?, chatId: String, close: () -> Unit,) {
+fun GroupPreferencesView(m: ChatModel, rhId: Long?, chatId: String, close: () -> Unit) {
  val groupInfo = remember { derivedStateOf {
    val ch = m.getChat(chatId)
    val g = (ch?.chatInfo as? ChatInfo.Group)?.groupInfo
-    if (g == null || ch?.remoteHostId != rhId) null else g
+    if (g == null || ch.remoteHostId != rhId) null else g
  }}
  val gInfo = groupInfo.value ?: return
  var preferences by rememberSaveable(gInfo, stateSaver = serializableSaver()) { mutableStateOf(gInfo.fullGroupPreferences) }
@@ -81,7 +87,7 @@ private fun GroupPreferencesLayout(
    val onTTLUpdated = { ttl: Int? ->
      applyPrefs(preferences.copy(timedMessages = preferences.timedMessages.copy(ttl = ttl)))
    }
-    FeatureSection(GroupFeature.TimedMessages, timedMessages, groupInfo, preferences, onTTLUpdated) { enable ->
+    FeatureSection(GroupFeature.TimedMessages, timedMessages, null, groupInfo, preferences, onTTLUpdated) { enable, _ ->
      if (enable == GroupFeatureEnabled.ON) {
        applyPrefs(preferences.copy(timedMessages = TimedMessagesGroupPreference(enable = enable, ttl = preferences.timedMessages.ttl ?: 86400)))
      } else {
@@ -90,33 +96,45 @@ private fun GroupPreferencesLayout(
    }
    SectionDividerSpaced(true, maxBottomPadding = false)
    val allowDirectMessages = remember(preferences) { mutableStateOf(preferences.directMessages.enable) }
-    FeatureSection(GroupFeature.DirectMessages, allowDirectMessages, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(directMessages = GroupPreference(enable = it)))
+    val directMessagesRole = remember(preferences) { mutableStateOf(preferences.directMessages.role) }
+    FeatureSection(GroupFeature.DirectMessages, allowDirectMessages, directMessagesRole, groupInfo, preferences, onTTLUpdated) { enable, role ->
+      applyPrefs(preferences.copy(directMessages = RoleGroupPreference(enable = enable, role)))
    }
    SectionDividerSpaced(true, maxBottomPadding = false)
    val allowFullDeletion = remember(preferences) { mutableStateOf(preferences.fullDelete.enable) }
-    FeatureSection(GroupFeature.FullDelete, allowFullDeletion, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(fullDelete = GroupPreference(enable = it)))
+    FeatureSection(GroupFeature.FullDelete, allowFullDeletion, null, groupInfo, preferences, onTTLUpdated) { enable, _ ->
+      applyPrefs(preferences.copy(fullDelete = GroupPreference(enable = enable)))
    }
    SectionDividerSpaced(true, maxBottomPadding = false)
    val allowReactions = remember(preferences) { mutableStateOf(preferences.reactions.enable) }
-    FeatureSection(GroupFeature.Reactions, allowReactions, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(reactions = GroupPreference(enable = it)))
+    FeatureSection(GroupFeature.Reactions, allowReactions, null, groupInfo, preferences, onTTLUpdated) { enable, _ ->
+      applyPrefs(preferences.copy(reactions = GroupPreference(enable = enable)))
    }
    SectionDividerSpaced(true, maxBottomPadding = false)
    val allowVoice = remember(preferences) { mutableStateOf(preferences.voice.enable) }
-    FeatureSection(GroupFeature.Voice, allowVoice, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(voice = GroupPreference(enable = it)))
+    val voiceRole = remember(preferences) { mutableStateOf(preferences.voice.role) }
+    FeatureSection(GroupFeature.Voice, allowVoice, voiceRole, groupInfo, preferences, onTTLUpdated) { enable, role ->
+      applyPrefs(preferences.copy(voice = RoleGroupPreference(enable = enable, role)))
    }
    SectionDividerSpaced(true, maxBottomPadding = false)
    val allowFiles = remember(preferences) { mutableStateOf(preferences.files.enable) }
-    FeatureSection(GroupFeature.Files, allowFiles, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(files = GroupPreference(enable = it)))
+    val filesRole = remember(preferences) { mutableStateOf(preferences.files.role) }
+    FeatureSection(GroupFeature.Files, allowFiles, filesRole, groupInfo, preferences, onTTLUpdated) { enable, role ->
+      applyPrefs(preferences.copy(files = RoleGroupPreference(enable = enable, role)))
    }
+
+    // TODO enable simplexLinks preference in 5.8
+//    SectionDividerSpaced(true, maxBottomPadding = false)
+//    val allowSimplexLinks = remember(preferences) { mutableStateOf(preferences.simplexLinks.enable) }
+//    val simplexLinksRole = remember(preferences) { mutableStateOf(preferences.simplexLinks.role) }
+//    FeatureSection(GroupFeature.SimplexLinks, allowSimplexLinks, simplexLinksRole, groupInfo, preferences, onTTLUpdated) { enable, role ->
+//      applyPrefs(preferences.copy(simplexLinks = RoleGroupPreference(enable = enable, role)))
+//    }
+
    SectionDividerSpaced(true, maxBottomPadding = false)
    val enableHistory = remember(preferences) { mutableStateOf(preferences.history.enable) }
-    FeatureSection(GroupFeature.History, enableHistory, groupInfo, preferences, onTTLUpdated) {
-      applyPrefs(preferences.copy(history = GroupPreference(enable = it)))
+    FeatureSection(GroupFeature.History, enableHistory, null, groupInfo, preferences, onTTLUpdated) { enable, _ ->
+      applyPrefs(preferences.copy(history = GroupPreference(enable = enable)))
    }
    if (groupInfo.canEdit) {
      SectionDividerSpaced(maxTopPadding = true, maxBottomPadding = false)
@@ -134,10 +152,11 @@ private fun GroupPreferencesLayout(
 private fun FeatureSection(
  feature: GroupFeature,
  enableFeature: State<GroupFeatureEnabled>,
+  enableForRole: State<GroupMemberRole?>? = null,
  groupInfo: GroupInfo,
  preferences: FullGroupPreferences,
  onTTLUpdated: (Int?) -> Unit,
-  onSelected: (GroupFeatureEnabled) -> Unit
+  onSelected: (GroupFeatureEnabled, GroupMemberRole?) -> Unit
 ) {
  SectionView {
    val on = enableFeature.value == GroupFeatureEnabled.ON
@@ -151,7 +170,7 @@ private fun FeatureSection(
        iconTint,
        enableFeature.value == GroupFeatureEnabled.ON,
      ) { checked ->
-        onSelected(if (checked) GroupFeatureEnabled.ON else GroupFeatureEnabled.OFF)
+        onSelected(if (checked) GroupFeatureEnabled.ON else GroupFeatureEnabled.OFF, enableForRole?.value)
      }
      if (timedOn) {
        val ttl = rememberSaveable(preferences.timedMessages) { mutableStateOf(preferences.timedMessages.ttl) }
@@ -165,6 +184,18 @@ private fun FeatureSection(
          onSelected = onTTLUpdated
        )
      }
+      if (enableFeature.value == GroupFeatureEnabled.ON && enableForRole != null) {
+        ExposedDropDownSettingRow(
+          generalGetString(MR.strings.feature_enabled_for),
+          featureRoles,
+          enableForRole,
+          // remove in v5.8
+          enabled = remember { mutableStateOf(false) },
+          onSelected = { value ->
+            onSelected(enableFeature.value, value)
+          }
+        )
+      }
    } else {
      InfoRow(
        feature.text,
@@ -175,6 +206,14 @@ private fun FeatureSection(
      if (timedOn) {
        InfoRow(generalGetString(MR.strings.delete_after), timeText(preferences.timedMessages.ttl))
      }
+      if (enableFeature.value == GroupFeatureEnabled.ON && enableForRole != null) {
+        InfoRow(generalGetString(MR.strings.feature_enabled_for), featureRoles.firstOrNull { it.first == enableForRole.value }?.second ?: generalGetString(MR.strings.feature_roles_all_members), textColor = MaterialTheme.colors.secondary)
+      }
+    }
+  }
+  KeyChangeEffect(enableFeature.value) {
+    if (enableFeature.value == GroupFeatureEnabled.OFF) {
+      onSelected(enableFeature.value, null)
    }
  }
  SectionTextFooter(feature.enableDescription(enableFeature.value, groupInfo.canEdit))
@@ -16,6 +16,7 @@ import chat.simplex.common.platform.onRightClick

@Composable
 fun CIChatFeatureView(
+  chatInfo: ChatInfo,
  chatItem: ChatItem,
  feature: Feature,
  iconColor: Color,
@@ -23,7 +24,7 @@ fun CIChatFeatureView(
  revealed: MutableState<Boolean>,
  showMenu: MutableState<Boolean>,
 ) {
-  val merged = if (!revealed.value) mergedFeatures(chatItem) else emptyList()
+  val merged = if (!revealed.value) mergedFeatures(chatItem, chatInfo) else emptyList()
  Box(
    Modifier
      .combinedClickable(
@@ -70,7 +71,7 @@ private fun Feature.toFeatureInfo(color: Color, param: Int?, type: String): Feat
  )

@Composable
-private fun mergedFeatures(chatItem: ChatItem): List<FeatureInfo>? {
+private fun mergedFeatures(chatItem: ChatItem, chatInfo: ChatInfo): List<FeatureInfo>? {
  val m = ChatModel
  val fs: ArrayList<FeatureInfo> = arrayListOf()
  val icons: MutableSet<PainterBox> = mutableSetOf()
@@ -78,7 +79,7 @@ private fun mergedFeatures(chatItem: ChatItem): List<FeatureInfo>? {
  if (i != null) {
    val reversedChatItems = m.chatItems.asReversed()
    while (i < reversedChatItems.size) {
-      val f = featureInfo(reversedChatItems[i]) ?: break
+      val f = featureInfo(reversedChatItems[i], chatInfo) ?: break
      if (!icons.contains(f.icon)) {
        fs.add(0, f)
        icons.add(f.icon)
@@ -90,12 +91,12 @@ private fun mergedFeatures(chatItem: ChatItem): List<FeatureInfo>? {
 }

@Composable
-private fun featureInfo(ci: ChatItem): FeatureInfo? =
+private fun featureInfo(ci: ChatItem, chatInfo: ChatInfo): FeatureInfo? =
  when (ci.content) {
    is CIContent.RcvChatFeature -> ci.content.feature.toFeatureInfo(ci.content.enabled.iconColor, ci.content.param, ci.content.feature.name)
    is CIContent.SndChatFeature -> ci.content.feature.toFeatureInfo(ci.content.enabled.iconColor, ci.content.param, ci.content.feature.name)
-    is CIContent.RcvGroupFeature -> ci.content.groupFeature.toFeatureInfo(ci.content.preference.enable.iconColor, ci.content.param, ci.content.groupFeature.name)
-    is CIContent.SndGroupFeature -> ci.content.groupFeature.toFeatureInfo(ci.content.preference.enable.iconColor, ci.content.param, ci.content.groupFeature.name)
+    is CIContent.RcvGroupFeature -> ci.content.groupFeature.toFeatureInfo(ci.content.preference.enabled(ci.content.memberRole_, (chatInfo as ChatInfo.Group).groupInfo.membership).iconColor, ci.content.param, ci.content.groupFeature.name)
+    is CIContent.SndGroupFeature -> ci.content.groupFeature.toFeatureInfo(ci.content.preference.enabled(ci.content.memberRole_, (chatInfo as ChatInfo.Group).groupInfo.membership).iconColor, ci.content.param, ci.content.groupFeature.name)
    else -> null
  }

@@ -442,11 +442,11 @@ fun ChatItemView(
            MsgContentItemDropdownMenu()
          }
          is CIContent.RcvChatFeature -> {
-            CIChatFeatureView(cItem, c.feature, c.enabled.iconColor, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.feature, c.enabled.iconColor, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.SndChatFeature -> {
-            CIChatFeatureView(cItem, c.feature, c.enabled.iconColor, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.feature, c.enabled.iconColor, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.RcvChatPreference -> {
@@ -454,23 +454,23 @@ fun ChatItemView(
            CIFeaturePreferenceView(cItem, ct, c.feature, c.allowed, acceptFeature)
          }
          is CIContent.SndChatPreference -> {
-            CIChatFeatureView(cItem, c.feature, MaterialTheme.colors.secondary, icon = c.feature.icon, revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.feature, MaterialTheme.colors.secondary, icon = c.feature.icon, revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.RcvGroupFeature -> {
-            CIChatFeatureView(cItem, c.groupFeature, c.preference.enable.iconColor, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.groupFeature, c.preference.enabled(c.memberRole_, (cInfo as ChatInfo.Group).groupInfo.membership).iconColor, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.SndGroupFeature -> {
-            CIChatFeatureView(cItem, c.groupFeature, c.preference.enable.iconColor, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.groupFeature, c.preference.enabled(c.memberRole_, (cInfo as ChatInfo.Group).groupInfo.membership).iconColor, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.RcvChatFeatureRejected -> {
-            CIChatFeatureView(cItem, c.feature, Color.Red, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.feature, Color.Red, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.RcvGroupFeatureRejected -> {
-            CIChatFeatureView(cItem, c.groupFeature, Color.Red, revealed = revealed, showMenu = showMenu)
+            CIChatFeatureView(cInfo, cItem, c.groupFeature, Color.Red, revealed = revealed, showMenu = showMenu)
            MsgContentItemDropdownMenu()
          }
          is CIContent.SndModerated -> DeletedItem()
@@ -254,12 +254,12 @@ fun TextIconSpaced(extraPadding: Boolean = false) {
 }

@Composable
-fun InfoRow(title: String, value: String, icon: Painter? = null, iconTint: Color? = null) {
+fun InfoRow(title: String, value: String, icon: Painter? = null, iconTint: Color? = null, textColor: Color = MaterialTheme.colors.onBackground) {
  SectionItemViewSpaceBetween {
    Row {
      val iconSize = with(LocalDensity.current) { 21.sp.toDp() }
      if (icon != null) Icon(icon, title, Modifier.padding(end = 8.dp).size(iconSize), tint = iconTint ?: MaterialTheme.colors.secondary)
-      Text(title)
+      Text(title, color = textColor)
    }
    Text(value, color = MaterialTheme.colors.secondary)
  }
@@ -348,6 +348,9 @@
  <string name="files_and_media_prohibited">Files and media prohibited!</string>
  <string name="only_owners_can_enable_files_and_media">Only group owners can enable files and media.</string>
  <string name="compose_send_direct_message_to_connect">Send direct message to connect</string>
+  <string name="simplex_links_not_allowed">SimpleX links not allowed</string>
+  <string name="files_and_media_not_allowed">Files and media not allowed</string>
+  <string name="voice_messages_not_allowed">Voice messages not allowed</string>

  <!-- Images - chat.simplex.app.views.chat.item.CIImageView.kt -->
  <string name="image_descr">Image</string>
@@ -1532,6 +1535,7 @@
  <string name="message_reactions">Message reactions</string>
  <string name="voice_messages">Voice messages</string>
  <string name="files_and_media">Files and media</string>
+  <string name="simplex_links">SimpleX links</string>
  <string name="recent_history">Visible history</string>
  <string name="audio_video_calls">Audio/video calls</string>
  <string name="available_in_v51">\nAvailable in v5.1</string>
@@ -1589,6 +1593,8 @@
  <string name="prohibit_message_reactions_group">Prohibit messages reactions.</string>
  <string name="allow_to_send_files">Allow to send files and media.</string>
  <string name="prohibit_sending_files">Prohibit sending files and media.</string>
+  <string name="allow_to_send_simplex_links">Allow to send SimpleX links.</string>
+  <string name="prohibit_sending_simplex_links">Prohibit sending SimpleX links</string>
  <string name="enable_sending_recent_history">Send up to 100 last messages to new members.</string>
  <string name="disable_sending_recent_history">Do not send history to new members.</string>
  <string name="group_members_can_send_disappearing">Group members can send disappearing messages.</string>
@@ -1603,6 +1609,8 @@
  <string name="message_reactions_are_prohibited">Message reactions are prohibited in this group.</string>
  <string name="group_members_can_send_files">Group members can send files and media.</string>
  <string name="files_are_prohibited_in_group">Files and media are prohibited in this group.</string>
+  <string name="group_members_can_send_simplex_links">Group members can send SimpleX links.</string>
+  <string name="simplex_links_are_prohibited_in_group">SimpleX links are prohibited in this group.</string>
  <string name="recent_history_is_sent_to_new_members">Up to 100 last messages are sent to new members.</string>
  <string name="recent_history_is_not_sent_to_new_members">History is not sent to new members.</string>
  <string name="delete_after">Delete after</string>
@@ -1625,6 +1633,10 @@
  <string name="feature_offered_item">offered %s</string>
  <string name="feature_offered_item_with_param">offered %s: %2s</string>
  <string name="feature_cancelled_item">cancelled %s</string>
+  <string name="feature_roles_all_members">all members</string>
+  <string name="feature_roles_admins">admins</string>
+  <string name="feature_roles_owners">owners</string>
+  <string name="feature_enabled_for">Enabled for</string>

  <!-- WhatsNewView.kt -->
  <string name="whats_new">What\'s new</string>