Handle tapping on user mentions

changelog.d/1448.feature

@@ -0,0 +1 @@
+Tapping on a user mention pill opens their profile.

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerPresenter.kt

@@ -44,6 +44,7 @@ import io.element.android.libraries.di.SingleIn
 import io.element.android.libraries.featureflag.api.FeatureFlagService
 import io.element.android.libraries.featureflag.api.FeatureFlags
 import io.element.android.libraries.matrix.api.core.ProgressCallback
+import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.permalink.PermalinkBuilder
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.Mention
@@ -335,7 +336,7 @@ class MessageComposerPresenter @Inject constructor(
                     add(Mention.AtRoom)
                 }
                 for (userId in state.userIds) {
-                    add(Mention.User(userId))
+                    add(Mention.User(UserId(userId)))
                 }
             }
         }.orEmpty()

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt

@@ -62,8 +62,8 @@
 import androidx.constraintlayout.compose.ConstrainScope
 import androidx.constraintlayout.compose.ConstraintLayout
 import io.element.android.compound.theme.ElementTheme
-import io.element.android.features.messages.impl.timeline.TimelineRoomInfo
 import io.element.android.features.messages.impl.timeline.TimelineEvents
+import io.element.android.features.messages.impl.timeline.TimelineRoomInfo
 import io.element.android.features.messages.impl.timeline.aTimelineItemEvent
 import io.element.android.features.messages.impl.timeline.components.event.TimelineItemEventContentView
 import io.element.android.features.messages.impl.timeline.components.event.toExtraPadding
@@ -98,10 +98,10 @@
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.permalink.PermalinkData
 import io.element.android.libraries.matrix.api.permalink.PermalinkParser
+import io.element.android.libraries.matrix.api.room.Mention
 import io.element.android.libraries.matrix.ui.components.AttachmentThumbnail
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.coroutines.launch
-import timber.log.Timber
 import kotlin.math.abs
 import kotlin.math.roundToInt
 
@@ -138,6 +138,13 @@
         inReplyToClick(inReplyToEventId)
     }
 
+    fun onMentionClicked(mention: Mention) {
+        when (mention) {
+            is Mention.User -> onUserDataClick(mention.userId)
+            else -> Unit // TODO implement actions for other mentions being clicked
+        }
+    }
+
     Column(modifier = modifier.fillMaxWidth()) {
         if (event.groupPosition.isNew()) {
             Spacer(modifier = Modifier.height(16.dp))
@@ -182,6 +189,7 @@
                         onReactionClicked = { emoji -> onReactionClick(emoji, event) },
                         onReactionLongClicked = { emoji -> onReactionLongClick(emoji, event) },
                         onMoreReactionsClicked = { onMoreReactionsClick(event) },
+                        onMentionClicked = ::onMentionClicked,
                         eventSink = eventSink,
                     )
                 }
@@ -200,6 +208,7 @@
                 onReactionClicked = { emoji -> onReactionClick(emoji, event) },
                 onReactionLongClicked = { emoji -> onReactionLongClick(emoji, event) },
                 onMoreReactionsClicked = { onMoreReactionsClick(event) },
+                onMentionClicked = ::onMentionClicked,
                 eventSink = eventSink,
             )
         }
@@ -254,6 +263,7 @@
     onReactionClicked: (emoji: String) -> Unit,
     onReactionLongClicked: (emoji: String) -> Unit,
     onMoreReactionsClicked: (event: TimelineItem.Event) -> Unit,
+    onMentionClicked: (Mention) -> Unit,
     eventSink: (TimelineEvents) -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -316,6 +326,7 @@
                 onTimestampClicked = {
                     onTimestampClicked(event)
                 },
+                onMentionClicked = onMentionClicked,
                 eventSink = eventSink,
             )
         }
@@ -387,6 +398,7 @@
     onMessageLongClick: () -> Unit,
     inReplyToClick: () -> Unit,
     onTimestampClicked: () -> Unit,
+    onMentionClicked: (Mention) -> Unit,
     eventSink: (TimelineEvents) -> Unit,
     @SuppressLint("ModifierParameter")
     @Suppress("ModifierNaming")
@@ -512,15 +524,17 @@
                     isMine = event.isMine,
                     isEditable = event.isEditable,
                     onLinkClicked = { url ->
-                        Timber.d("Clicked on: $url")
-                        when (PermalinkParser.parse(Uri.parse(url))) {
+                        when (val permalink = PermalinkParser.parse(Uri.parse(url))) {
                             is PermalinkData.UserLink -> {
-                                // TODO open member details
+                                onMentionClicked(Mention.User(UserId(permalink.userId)))
+                            }
+                            is PermalinkData.RoomLink -> {
+                                onMentionClicked(Mention.Room(permalink.getRoomId(), permalink.getRoomAlias()))
                             }
-                            is PermalinkData.FallbackLink -> {
+                            is PermalinkData.FallbackLink,
+                            is PermalinkData.RoomEmailInviteLink -> {
                                 context.openUrlInExternalApp(url)
                             }
-                            else -> Unit // TODO handle other types of links, as room ones
                         }
                     },
                     extraPadding = event.toExtraPadding(),

features/messages/impl/src/test/kotlin/io/element/android/features/messages/impl/textcomposer/MessageComposerPresenterTest.kt

@@ -862,7 +862,7 @@ class MessageComposerPresenterTest {
 
             advanceUntilIdle()
 
-            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID.value)))
+            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID)))
 
             // Check intentional mentions on reply sent
             initialState.eventSink(MessageComposerEvents.SetMode(aReplyMode()))
@@ -877,7 +877,7 @@ class MessageComposerPresenterTest {
             initialState.eventSink(MessageComposerEvents.SendMessage(A_MESSAGE.toMessage()))
             advanceUntilIdle()
 
-            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID_2.value)))
+            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID_2)))
 
             // Check intentional mentions on edit message
             skipItems(1)
@@ -893,7 +893,7 @@ class MessageComposerPresenterTest {
             initialState.eventSink(MessageComposerEvents.SendMessage(A_MESSAGE.toMessage()))
             advanceUntilIdle()
 
-            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID_3.value)))
+            assertThat(room.sendMessageMentions).isEqualTo(listOf(Mention.User(A_USER_ID_3)))
 
             skipItems(1)
         }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/permalink/PermalinkData.kt

@@ -18,6 +18,7 @@ package io.element.android.libraries.matrix.api.permalink
 
 import android.net.Uri
 import androidx.compose.runtime.Immutable
+import io.element.android.libraries.matrix.api.core.RoomId
 import kotlinx.collections.immutable.ImmutableList
 
 /**
@@ -32,7 +33,15 @@ sealed interface PermalinkData {
         val isRoomAlias: Boolean,
         val eventId: String?,
         val viaParameters: ImmutableList<String>
-    ) : PermalinkData
+    ) : PermalinkData {
+        fun getRoomId(): RoomId? {
+            return roomIdOrAlias.takeIf { !isRoomAlias }?.let(::RoomId)
+        }
+
+        fun getRoomAlias(): String? {
+            return roomIdOrAlias.takeIf { isRoomAlias }
+        }
+    }
 
     /*
      * &room_name=Team2

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/Mention.kt

@@ -16,7 +16,11 @@
 
 package io.element.android.libraries.matrix.api.room
 
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.core.UserId
+
 sealed interface Mention {
-    data class User(val userId: String): Mention
+    data class User(val userId: UserId): Mention
     data object AtRoom: Mention
+    data class Room(val roomId: RoomId?, val roomAlias: String?): Mention
 }

libraries/matrix/api/src/test/kotlin/io/element/android/libraries/matrix/api/permalink/PermalinkDataTest.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.matrix.api.permalink
+
+import com.google.common.truth.Truth.assertThat
+import kotlinx.collections.immutable.persistentListOf
+import org.junit.Test
+
+class PermalinkDataTest {
+
+    @Test
+    fun `getRoomId() returns value when isRoomAlias is false`() {
+        val permalinkData = PermalinkData.RoomLink(
+                roomIdOrAlias = "!abcdef123456:matrix.org",
+                isRoomAlias = false,
+                eventId = null,
+                viaParameters = persistentListOf(),
+        )
+        assertThat(permalinkData.getRoomId()).isNotNull()
+        assertThat(permalinkData.getRoomAlias()).isNull()
+    }
+
+    @Test
+    fun `getRoomAlias() returns value when isRoomAlias is true`() {
+        val permalinkData = PermalinkData.RoomLink(
+            roomIdOrAlias = "#room:matrix.org",
+            isRoomAlias = true,
+            eventId = null,
+            viaParameters = persistentListOf(),
+        )
+        assertThat(permalinkData.getRoomId()).isNull()
+        assertThat(permalinkData.getRoomAlias()).isNotNull()
+    }
+
+}

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/Mention.kt

@@ -21,6 +21,6 @@ import org.matrix.rustcomponents.sdk.Mentions
 
 fun List<Mention>.map(): Mentions {
     val hasAtRoom = any { it is Mention.AtRoom }
-    val userIds = filterIsInstance<Mention.User>().map { it.userId }
+    val userIds = filterIsInstance<Mention.User>().map { it.userId.value }
     return Mentions(userIds, hasAtRoom)
 }