Pre fill the room directory filter and and the room name with the already entered string from the user

vector/src/main/java/im/vector/riotx/features/home/room/filtered/FilteredRoomFooterItem.kt

@@ -30,10 +30,13 @@ abstract class FilteredRoomFooterItem : VectorEpoxyModel<FilteredRoomFooterItem.
     @EpoxyAttribute
     var listener: FilteredRoomFooterItemListener? = null
 
+    @EpoxyAttribute
+    var currentFilter: String = ""
+
     override fun bind(holder: Holder) {
-        holder.createRoomButton.setOnClickListener { listener?.createRoom() }
+        holder.createRoomButton.setOnClickListener { listener?.createRoom(currentFilter) }
         holder.createDirectChat.setOnClickListener { listener?.createDirectChat() }
-        holder.openRoomDirectory.setOnClickListener { listener?.openRoomDirectory() }
+        holder.openRoomDirectory.setOnClickListener { listener?.openRoomDirectory(currentFilter) }
     }
 
     class Holder : VectorEpoxyHolder() {
@@ -43,7 +46,7 @@ abstract class FilteredRoomFooterItem : VectorEpoxyModel<FilteredRoomFooterItem.
     }
 
     interface FilteredRoomFooterItemListener : FabMenuView.Listener {
-        fun createRoom()
+        fun createRoom(initialName: String)
     }
 }
 

vector/src/main/java/im/vector/riotx/features/home/room/list/RoomListFragment.kt

@@ -139,8 +139,8 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Listener, O
         roomListViewModel.accept(RoomListActions.FilterWith(filter))
     }
 
-    override fun openRoomDirectory() {
+    override fun openRoomDirectory(initialFilter: String) {
-        navigator.openRoomDirectory(requireActivity())
+        navigator.openRoomDirectory(requireActivity(), initialFilter)
     }
 
     override fun createDirectChat() {
@@ -266,9 +266,8 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Listener, O
         roomListViewModel.accept(RoomListActions.ToggleCategory(roomCategory))
     }
 
-    // TODO Pass title
+    override fun createRoom(initialName: String) {
-    override fun createRoom() {
+        navigator.openCreateRoom(requireActivity(), initialName)
-        navigator.openCreateRoom(requireActivity())
     }
 
 }

vector/src/main/java/im/vector/riotx/features/home/room/list/RoomSummaryController.kt

@@ -70,13 +70,14 @@ class RoomSummaryController @Inject constructor(private val stringProvider: Stri
                 viewState.rejectingRoomsIds,
                 viewState.rejectingErrorRoomsIds)
 
-        addFilterFooter()
+        addFilterFooter(viewState)
     }
 
-    private fun addFilterFooter() {
+    private fun addFilterFooter(viewState: RoomListViewState) {
         filteredRoomFooterItem {
             id("filter_footer")
             listener(listener)
+            currentFilter(viewState.roomFilter)
         }
     }
 

vector/src/main/java/im/vector/riotx/features/home/room/list/widget/FabMenuView.kt

@@ -92,7 +92,7 @@ class FabMenuView @JvmOverloads constructor(context: Context, attrs: AttributeSe
 
     interface Listener {
         fun createDirectChat()
-        fun openRoomDirectory()
+        fun openRoomDirectory(initialFilter: String = "")
     }
 
 }

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

@@ -58,13 +58,13 @@ class DefaultNavigator @Inject constructor() : Navigator {
         context.startActivity(intent)
     }
 
-    override fun openRoomDirectory(context: Context) {
+    override fun openRoomDirectory(context: Context, initialFilter: String) {
-        val intent = Intent(context, RoomDirectoryActivity::class.java)
+        val intent = RoomDirectoryActivity.getIntent(context, initialFilter)
         context.startActivity(intent)
     }
 
-    override fun openCreateRoom(context: Context) {
+    override fun openCreateRoom(context: Context, initialName: String) {
-        val intent = CreateRoomActivity.getIntent(context)
+        val intent = CreateRoomActivity.getIntent(context, initialName)
         context.startActivity(intent)
     }
 

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

@@ -27,9 +27,9 @@ interface Navigator {
 
     fun openRoomPreview(publicRoom: PublicRoom, context: Context)
 
-    fun openCreateRoom(context: Context)
+    fun openCreateRoom(context: Context, initialName: String = "")
 
-    fun openRoomDirectory(context: Context)
+    fun openRoomDirectory(context: Context, initialFilter: String = "")
 
     fun openRoomsFiltering(context: Context)
 

vector/src/main/java/im/vector/riotx/features/roomdirectory/PublicRoomsFragment.kt

@@ -147,6 +147,11 @@ class PublicRoomsFragment : VectorBaseFragment(), PublicRoomsController.Callback
     }
 
     override fun invalidate() = withState(viewModel) { state ->
+        if (publicRoomsFilter.text.toString() != state.currentFilter) {
+            // For initial filter
+            publicRoomsFilter.setText(state.currentFilter)
+        }
+
         // Populate list with Epoxy
         publicRoomsController.setData(state)
     }

vector/src/main/java/im/vector/riotx/features/roomdirectory/PublicRoomsViewState.kt

@@ -22,6 +22,8 @@ import com.airbnb.mvrx.Uninitialized
 import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRoom
 
 data class PublicRoomsViewState(
+        // The current filter
+        val currentFilter: String = "",
         // Store cumul of pagination result
         val publicRooms: List<PublicRoom> = emptyList(),
         // Current pagination request

vector/src/main/java/im/vector/riotx/features/roomdirectory/RoomDirectoryActivity.kt

@@ -16,8 +16,11 @@
 
 package im.vector.riotx.features.roomdirectory
 
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import androidx.lifecycle.ViewModelProviders
+import com.airbnb.mvrx.viewModel
 import im.vector.riotx.R
 import im.vector.riotx.core.di.ScreenComponent
 import im.vector.riotx.core.extensions.addFragment
@@ -25,6 +28,7 @@ import im.vector.riotx.core.extensions.addFragmentToBackstack
 import im.vector.riotx.core.extensions.observeEvent
 import im.vector.riotx.core.platform.VectorBaseActivity
 import im.vector.riotx.features.roomdirectory.createroom.CreateRoomFragment
+import im.vector.riotx.features.roomdirectory.createroom.CreateRoomViewModel
 import im.vector.riotx.features.roomdirectory.picker.RoomDirectoryPickerFragment
 import javax.inject.Inject
 
@@ -39,7 +43,10 @@ class RoomDirectoryActivity : VectorBaseActivity() {
     }
 
 
+    @Inject lateinit var createRoomViewModelFactory: CreateRoomViewModel.Factory
     @Inject lateinit var roomDirectoryViewModelFactory: RoomDirectoryViewModel.Factory
+    private val roomDirectoryViewModel: RoomDirectoryViewModel by viewModel()
+    private val createRoomViewModel: CreateRoomViewModel by viewModel()
     private lateinit var navigationViewModel: RoomDirectoryNavigationViewModel
 
     override fun getLayoutRes() = R.layout.activity_simple
@@ -51,6 +58,11 @@ class RoomDirectoryActivity : VectorBaseActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         navigationViewModel = ViewModelProviders.of(this, viewModelFactory).get(RoomDirectoryNavigationViewModel::class.java)
+
+        if (isFirstCreation()) {
+            roomDirectoryViewModel.filterWith(intent?.getStringExtra(INITIAL_FILTER) ?: "")
+        }
+
         navigationViewModel.navigateTo.observeEvent(this) { navigation ->
             when (navigation) {
                 is Navigation.Back           -> onBackPressed()
@@ -59,6 +71,11 @@ class RoomDirectoryActivity : VectorBaseActivity() {
                 is Navigation.Close          -> finish()
             }
         }
+
+        roomDirectoryViewModel.selectSubscribe(this, PublicRoomsViewState::currentFilter) { currentFilter ->
+            // Transmit the filter to the createRoomViewModel
+            createRoomViewModel.setName(currentFilter)
+        }
     }
 
     override fun initUiAndData() {
@@ -67,4 +84,13 @@ class RoomDirectoryActivity : VectorBaseActivity() {
         }
     }
 
+    companion object {
+        private const val INITIAL_FILTER = "INITIAL_FILTER"
+
+        fun getIntent(context: Context, initialFilter: String = ""): Intent {
+            val intent = Intent(context, RoomDirectoryActivity::class.java)
+            intent.putExtra(INITIAL_FILTER, initialFilter)
+            return intent
+        }
+    }
 }

vector/src/main/java/im/vector/riotx/features/roomdirectory/RoomDirectoryViewModel.kt

@@ -59,9 +59,6 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
         get() = _joinRoomErrorLiveData
 
 
-    // TODO Store in ViewState?
-    private var currentFilter: String = ""
-
     private var since: String? = null
 
     private var currentTask: Cancelable? = null
@@ -70,9 +67,6 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
     private var roomDirectoryData = RoomDirectoryData()
 
     init {
-        // Load with empty filter
-        load()
-
         setState {
             copy(
                     roomDirectoryDisplayName = roomDirectoryData.displayName
@@ -115,24 +109,20 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
 
         this.roomDirectoryData = roomDirectoryData
 
-        reset()
+        reset("")
-        load()
+        load("")
-    }
-
-    fun filterWith(filter: String) {
-        if (currentFilter == filter) {
-            return
     }
 
+    fun filterWith(filter: String) = withState { state ->
+        if (state.currentFilter != filter) {
             currentTask?.cancel()
 
-        currentFilter = filter
+            reset(filter)
-
+            load(filter)
-        reset()
+        }
-        load()
     }
 
-    private fun reset() {
+    private fun reset(newFilter: String) {
         // Reset since token
         since = null
 
@@ -141,12 +131,13 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
                     publicRooms = emptyList(),
                     asyncPublicRoomsRequest = Loading(),
                     hasMore = false,
-                    roomDirectoryDisplayName = roomDirectoryData.displayName
+                    roomDirectoryDisplayName = roomDirectoryData.displayName,
+                    currentFilter = newFilter
             )
         }
     }
 
-    fun loadMore() {
+    fun loadMore() = withState { state ->
         if (currentTask == null) {
             setState {
                 copy(
@@ -154,15 +145,15 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
                 )
             }
 
-            load()
+            load(state.currentFilter)
         }
     }
 
-    private fun load() {
+    private fun load(filter: String) {
         currentTask = session.getPublicRooms(roomDirectoryData.homeServer,
                 PublicRoomsParams(
                         limit = PUBLIC_ROOMS_LIMIT,
-                        filter = PublicRoomsFilter(searchTerm = currentFilter),
+                        filter = PublicRoomsFilter(searchTerm = filter),
                         includeAllNetworks = roomDirectoryData.includeAllNetworks,
                         since = since,
                         thirdPartyInstanceId = roomDirectoryData.thirdPartyInstanceId

vector/src/main/java/im/vector/riotx/features/roomdirectory/createroom/CreateRoomActivity.kt

@@ -21,6 +21,7 @@ import android.content.Intent
 import android.os.Bundle
 import androidx.appcompat.widget.Toolbar
 import androidx.lifecycle.ViewModelProviders
+import com.airbnb.mvrx.viewModel
 import im.vector.riotx.R
 import im.vector.riotx.core.di.ScreenComponent
 import im.vector.riotx.core.extensions.addFragment
@@ -29,12 +30,16 @@ import im.vector.riotx.core.platform.ToolbarConfigurable
 import im.vector.riotx.core.platform.VectorBaseActivity
 import im.vector.riotx.features.roomdirectory.RoomDirectoryActivity
 import im.vector.riotx.features.roomdirectory.RoomDirectoryNavigationViewModel
+import javax.inject.Inject
 
 /**
  * Simple container for [CreateRoomFragment]
  */
 class CreateRoomActivity : VectorBaseActivity(), ToolbarConfigurable {
 
+    @Inject lateinit var createRoomViewModelFactory: CreateRoomViewModel.Factory
+    private val createRoomViewModel: CreateRoomViewModel by viewModel()
+
     private lateinit var navigationViewModel: RoomDirectoryNavigationViewModel
 
     override fun getLayoutRes() = R.layout.activity_simple
@@ -46,6 +51,8 @@ class CreateRoomActivity : VectorBaseActivity(), ToolbarConfigurable {
     override fun initUiAndData() {
         if (isFirstCreation()) {
             addFragment(CreateRoomFragment(), R.id.simpleFragmentContainer)
+
+            createRoomViewModel.setName(intent?.getStringExtra(INITIAL_NAME) ?: "")
         }
     }
 
@@ -64,8 +71,12 @@ class CreateRoomActivity : VectorBaseActivity(), ToolbarConfigurable {
     }
 
     companion object {
-        fun getIntent(context: Context): Intent {
+        private const val INITIAL_NAME = "INITIAL_NAME"
-            return Intent(context, CreateRoomActivity::class.java)
+
+        fun getIntent(context: Context, initialName: String = ""): Intent {
+            return Intent(context, CreateRoomActivity::class.java).apply {
+                putExtra(INITIAL_NAME, initialName)
+            }
         }
     }
 

vector/src/main/java/im/vector/riotx/features/roomdirectory/createroom/CreateRoomFragment.kt

@@ -21,7 +21,7 @@ import android.view.MenuItem
 import androidx.lifecycle.ViewModelProviders
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.airbnb.mvrx.Success
-import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.activityViewModel
 import com.airbnb.mvrx.withState
 import im.vector.riotx.R
 import im.vector.riotx.core.di.ScreenComponent
@@ -35,9 +35,8 @@ import javax.inject.Inject
 class CreateRoomFragment : VectorBaseFragment(), CreateRoomController.Listener {
 
     private lateinit var navigationViewModel: RoomDirectoryNavigationViewModel
-    private val viewModel: CreateRoomViewModel by fragmentViewModel()
+    private val viewModel: CreateRoomViewModel by activityViewModel()
     @Inject lateinit var createRoomController: CreateRoomController
-    @Inject lateinit var createRoomViewModelFactory: CreateRoomViewModel.Factory
 
     override fun getLayoutResId() = R.layout.fragment_create_room
 

vector/src/main/java/im/vector/riotx/features/roomdirectory/createroom/CreateRoomViewModel.kt

@@ -16,6 +16,7 @@
 
 package im.vector.riotx.features.roomdirectory.createroom
 
+import androidx.fragment.app.FragmentActivity
 import com.airbnb.mvrx.*
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
@@ -25,6 +26,7 @@ import im.vector.matrix.android.api.session.room.model.RoomDirectoryVisibility
 import im.vector.matrix.android.api.session.room.model.create.CreateRoomParams
 import im.vector.matrix.android.api.session.room.model.create.CreateRoomPreset
 import im.vector.riotx.core.platform.VectorViewModel
+import im.vector.riotx.features.roomdirectory.RoomDirectoryActivity
 
 class CreateRoomViewModel @AssistedInject constructor(@Assisted initialState: CreateRoomViewState,
                                                       private val session: Session
@@ -39,8 +41,13 @@ class CreateRoomViewModel @AssistedInject constructor(@Assisted initialState: Cr
 
         @JvmStatic
         override fun create(viewModelContext: ViewModelContext, state: CreateRoomViewState): CreateRoomViewModel? {
-            val fragment: CreateRoomFragment = (viewModelContext as FragmentViewModelContext).fragment()
+            val activity: FragmentActivity = (viewModelContext as ActivityViewModelContext).activity()
-            return fragment.createRoomViewModelFactory.create(state)
+
+            return when (activity) {
+                is CreateRoomActivity    -> activity.createRoomViewModelFactory.create(state)
+                is RoomDirectoryActivity -> activity.createRoomViewModelFactory.create(state)
+                else                     -> throw IllegalStateException("Wrong activity")
+            }
         }
     }