Enhance search functionality to support threads

vector/src/main/java/im/vector/app/features/home/room/detail/TimelineFragment.kt

@@ -1024,7 +1024,12 @@ class TimelineFragment @Inject constructor(
 
     private fun handleSearchAction() {
         if (session.getRoom(timelineArgs.roomId)?.isEncrypted() == false) {
-            navigator.openSearch(requireContext(), timelineArgs.roomId)
+            navigator.openSearch(
+                    context = requireContext(),
+                    roomId = timelineArgs.roomId,
+                    roomDisplayName = roomDetailViewModel.getRoomSummary()?.displayName,
+                    roomAvatarUrl = roomDetailViewModel.getRoomSummary()?.avatarUrl
+            )
         } else {
             showDialogWithMessage(getString(R.string.search_is_not_supported_in_e2e_room))
         }

vector/src/main/java/im/vector/app/features/home/room/detail/search/SearchFragment.kt

@@ -37,13 +37,17 @@ import im.vector.app.core.extensions.trackItemsVisibilityChange
 import im.vector.app.core.platform.StateView
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.databinding.FragmentSearchBinding
+import im.vector.app.features.home.room.threads.arguments.ThreadTimelineArgs
 import kotlinx.parcelize.Parcelize
 import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.api.session.events.model.getRootThreadEventId
 import javax.inject.Inject
 
 @Parcelize
 data class SearchArgs(
-        val roomId: String
+        val roomId: String,
+        val roomDisplayName: String?,
+        val roomAvatarUrl: String?
 ) : Parcelable
 
 class SearchFragment @Inject constructor(
@@ -112,10 +116,20 @@ class SearchFragment @Inject constructor(
         searchViewModel.handle(SearchAction.Retry)
     }
 
-    override fun onItemClicked(event: Event) {
-        event.roomId?.let {
-            navigator.openRoom(requireContext(), it, event.eventId)
-        }
+    override fun onItemClicked(event: Event) =
+            navigateToEvent(event)
+
+    /**
+     * Navigate and highlight the event. If this is a thread event,
+     * user will be redirected to the appropriate thread room
+     * @param event the event to navigate and highlight
+     */
+    private fun navigateToEvent(event: Event) {
+        val roomId = event.roomId ?: return
+        event.getRootThreadEventId()?.let {
+            val threadTimelineArgs = ThreadTimelineArgs(roomId, displayName = fragmentArgs.roomDisplayName, fragmentArgs.roomAvatarUrl, it)
+            navigator.openThread(requireContext(), threadTimelineArgs, event.eventId)
+        } ?: navigator.openRoom(requireContext(), roomId, event.eventId)
     }
 
     override fun loadMore() {

vector/src/main/java/im/vector/app/features/home/room/detail/search/SearchResultController.kt

@@ -54,10 +54,6 @@ class SearchResultController @Inject constructor(
         fun loadMore()
     }
 
-    init {
-        setData(null)
-    }
-
     override fun buildModels(data: SearchViewState?) {
         data ?: return
 

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -492,8 +492,11 @@ class DefaultNavigator @Inject constructor(
         }
     }
 
-    override fun openSearch(context: Context, roomId: String) {
-        val intent = SearchActivity.newIntent(context, SearchArgs(roomId))
+    override fun openSearch(context: Context,
+                            roomId: String,
+                            roomDisplayName: String?,
+                            roomAvatarUrl: String?) {
+        val intent = SearchActivity.newIntent(context, SearchArgs(roomId, roomDisplayName, roomAvatarUrl))
         context.startActivity(intent)
     }
 
@@ -522,7 +525,7 @@ class DefaultNavigator @Inject constructor(
                 threadTimelineArgs = threadTimelineArgs,
                 threadListArgs = null,
                 eventIdToNavigate = eventIdToNavigate
-                ))
+        ))
     }
 
     override fun openThreadList(context: Context, threadTimelineArgs: ThreadTimelineArgs) {

vector/src/main/java/im/vector/app/features/navigation/Navigator.kt

@@ -136,7 +136,7 @@ interface Navigator {
                         inMemory: List<AttachmentData> = emptyList(),
                         options: ((MutableList<Pair<View, String>>) -> Unit)?)
 
-    fun openSearch(context: Context, roomId: String)
+    fun openSearch(context: Context, roomId: String, roomDisplayName: String?, roomAvatarUrl: String?)
 
     fun openDevTools(context: Context, roomId: String)
 
@@ -145,5 +145,4 @@ interface Navigator {
     fun openThread(context: Context, threadTimelineArgs: ThreadTimelineArgs, eventIdToNavigate: String? = null)
 
     fun openThreadList(context: Context, threadTimelineArgs: ThreadTimelineArgs)
-
 }