Add "Copy caption" action for Event with Caption

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

@@ -273,6 +273,7 @@ class MessagesPresenter @AssistedInject constructor(
     ) = launch {
         when (action) {
             TimelineItemAction.CopyText -> handleCopyContents(targetEvent)
+            TimelineItemAction.CopyCaption -> handleCopyCaption(targetEvent)
             TimelineItemAction.CopyLink -> handleCopyLink(targetEvent)
             TimelineItemAction.Redact -> handleActionRedact(targetEvent)
             TimelineItemAction.Edit -> handleActionEdit(targetEvent, composerState, enableTextFormatting)
@@ -488,11 +489,17 @@ class MessagesPresenter @AssistedInject constructor(
             is TimelineItemStateContent -> event.content.body
             else -> return
         }
-
         clipboardHelper.copyPlainText(content)
-
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
             snackbarDispatcher.post(SnackbarMessage(R.string.screen_room_timeline_message_copied))
         }
     }
+
+    private suspend fun handleCopyCaption(event: TimelineItem.Event) {
+        val content = (event.content as? TimelineItemEventContentWithAttachment)?.caption ?: return
+        clipboardHelper.copyPlainText(content)
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+            snackbarDispatcher.post(SnackbarMessage(CommonStrings.common_copied_to_clipboard))
+        }
+    }
 }

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/actionlist/ActionListPresenter.kt

@@ -137,6 +137,7 @@ class DefaultActionListPresenter @AssistedInject constructor(
         }
     }
 
+    // See order in https://www.figma.com/design/ux3tYoZV9WghC7hHT9Fhk0/Compound-iOS-Components?node-id=2946-2392
     private suspend fun buildActions(
         timelineItem: TimelineItem.Event,
         usersEventPermissions: UserEventPermissions,
@@ -184,6 +185,8 @@ class DefaultActionListPresenter @AssistedInject constructor(
             }
             if (timelineItem.content.canBeCopied()) {
                 add(TimelineItemAction.CopyText)
+            } else if ((timelineItem.content as? TimelineItemEventContentWithAttachment)?.caption.isNullOrBlank().not()) {
+                add(TimelineItemAction.CopyCaption)
             }
             if (timelineItem.isRemote) {
                 add(TimelineItemAction.CopyLink)

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/actionlist/model/TimelineItemAction.kt

@@ -23,6 +23,7 @@ sealed class TimelineItemAction(
     data object ViewInTimeline : TimelineItemAction(CommonStrings.action_view_in_timeline, CompoundDrawables.ic_compound_visibility_on)
     data object Forward : TimelineItemAction(CommonStrings.action_forward, CompoundDrawables.ic_compound_forward)
     data object CopyText : TimelineItemAction(CommonStrings.action_copy_text, CompoundDrawables.ic_compound_copy)
+    data object CopyCaption : TimelineItemAction(CommonStrings.action_copy_caption, CompoundDrawables.ic_compound_copy)
     data object CopyLink : TimelineItemAction(CommonStrings.action_copy_link_to_message, CompoundDrawables.ic_compound_link)
     data object Redact : TimelineItemAction(CommonStrings.action_remove, CompoundDrawables.ic_compound_delete, destructive = true)
     data object Reply : TimelineItemAction(CommonStrings.action_reply, CompoundDrawables.ic_compound_reply)

features/messages/impl/src/test/kotlin/io/element/android/features/messages/impl/actionlist/ActionListPresenterTest.kt

@@ -647,6 +647,7 @@ class ActionListPresenterTest {
                         TimelineItemAction.Reply,
                         TimelineItemAction.Forward,
                         TimelineItemAction.EditCaption,
+                        TimelineItemAction.CopyCaption,
                         TimelineItemAction.RemoveCaption,
                         TimelineItemAction.Pin,
                         TimelineItemAction.CopyLink,
@@ -660,6 +661,54 @@ class ActionListPresenterTest {
         }
     }
 
+    @Test
+    fun `present - compute for a media with caption item - other user event`() = runTest {
+        val presenter = createActionListPresenter(isDeveloperModeEnabled = true, isPinFeatureEnabled = true)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            val messageEvent = aMessageEvent(
+                isMine = false,
+                isEditable = false,
+                content = aTimelineItemImageContent(
+                    caption = A_CAPTION,
+                ),
+            )
+            initialState.eventSink.invoke(
+                ActionListEvents.ComputeForMessage(
+                    event = messageEvent,
+                    userEventPermissions = aUserEventPermissions(
+                        canRedactOwn = true,
+                        canRedactOther = false,
+                        canSendMessage = true,
+                        canSendReaction = true,
+                        canPinUnpin = true,
+                    ),
+                )
+            )
+            val successState = awaitItem()
+            assertThat(successState.target).isEqualTo(
+                ActionListState.Target.Success(
+                    event = messageEvent,
+                    displayEmojiReactions = true,
+                    verifiedUserSendFailure = VerifiedUserSendFailure.None,
+                    actions = persistentListOf(
+                        TimelineItemAction.Reply,
+                        TimelineItemAction.Forward,
+                        TimelineItemAction.CopyCaption,
+                        TimelineItemAction.Pin,
+                        TimelineItemAction.CopyLink,
+                        TimelineItemAction.ViewSource,
+                        TimelineItemAction.Redact,
+                    )
+                )
+            )
+            initialState.eventSink.invoke(ActionListEvents.Clear)
+            assertThat(awaitItem().target).isEqualTo(ActionListState.Target.None)
+        }
+    }
+
     @Test
     fun `present - compute for a state item in debug build`() = runTest {
         val presenter = createActionListPresenter(isDeveloperModeEnabled = true, isPinFeatureEnabled = true)
@@ -1105,7 +1154,9 @@ class ActionListPresenterTest {
             val messageEvent = aMessageEvent(
                 isMine = true,
                 isEditable = false,
-                content = aTimelineItemVoiceContent(),
+                content = aTimelineItemVoiceContent(
+                    caption = null,
+                ),
             )
             initialState.eventSink.invoke(
                 ActionListEvents.ComputeForMessage(