Add capability to add and remove a room from the favorites (#1217)

CHANGES.md

@@ -12,6 +12,7 @@ Improvements 🙌:
  - Correctly handle SSO login redirection
  - SSO login is now performed in the default browser, or in Chrome Custom tab if available (#1400)
  - Improve checking of homeserver version support (#1442)
+ - Add capability to add and remove a room from the favorites (#1217)
 
 Bugfix 🐛:
  - Switch theme is not fully taken into account without restarting the app

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/Room.kt

@@ -27,6 +27,7 @@ import im.vector.matrix.android.api.session.room.reporting.ReportingService
 import im.vector.matrix.android.api.session.room.send.DraftService
 import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.state.StateService
+import im.vector.matrix.android.api.session.room.tags.TagsService
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.api.session.room.typing.TypingService
 import im.vector.matrix.android.api.session.room.uploads.UploadsService
@@ -41,6 +42,7 @@ interface Room :
         DraftService,
         ReadService,
         TypingService,
+        TagsService,
         MembershipService,
         StateService,
         UploadsService,

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomSummary.kt

@@ -59,6 +59,9 @@ data class RoomSummary constructor(
     val hasNewMessages: Boolean
         get() = notificationCount != 0
 
+    val isFavorite: Boolean
+        get() = tags.any { it.name == RoomTag.ROOM_TAG_FAVOURITE }
+
     companion object {
         const val NOT_IN_BREADCRUMBS = -1
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/tag/RoomTag.kt

@@ -22,9 +22,8 @@ data class RoomTag(
 ) {
 
     companion object {
-        val ROOM_TAG_FAVOURITE = "m.favourite"
-        val ROOM_TAG_LOW_PRIORITY = "m.lowpriority"
-        val ROOM_TAG_NO_TAG = "m.recent"
-        val ROOM_TAG_SERVER_NOTICE = "m.server_notice"
+        const val ROOM_TAG_FAVOURITE = "m.favourite"
+        const val ROOM_TAG_LOW_PRIORITY = "m.lowpriority"
+        const val ROOM_TAG_SERVER_NOTICE = "m.server_notice"
     }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/tags/TagsService.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2020 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 im.vector.matrix.android.api.session.room.tags
+
+import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.util.Cancelable
+
+/**
+ * This interface defines methods to handle tags of a room. It's implemented at the room level.
+ */
+interface TagsService {
+    /**
+     * Add a tag to a room
+     */
+    fun addTag(tag: String, order: Double?, callback: MatrixCallback<Unit>): Cancelable
+
+    /**
+     * Remove tag form a room
+     */
+    fun deleteTag(tag: String, callback: MatrixCallback<Unit>): Cancelable
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/DefaultRoom.kt

@@ -32,6 +32,7 @@ import im.vector.matrix.android.api.session.room.reporting.ReportingService
 import im.vector.matrix.android.api.session.room.send.DraftService
 import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.state.StateService
+import im.vector.matrix.android.api.session.room.tags.TagsService
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.api.session.room.typing.TypingService
 import im.vector.matrix.android.api.session.room.uploads.UploadsService
@@ -59,6 +60,7 @@ internal class DefaultRoom @Inject constructor(override val roomId: String,
                                                private val reportingService: ReportingService,
                                                private val readService: ReadService,
                                                private val typingService: TypingService,
+                                               private val tagsService: TagsService,
                                                private val cryptoService: CryptoService,
                                                private val relationService: RelationService,
                                                private val roomMembersService: MembershipService,
@@ -74,6 +76,7 @@ internal class DefaultRoom @Inject constructor(override val roomId: String,
         ReportingService by reportingService,
         ReadService by readService,
         TypingService by typingService,
+        TagsService by tagsService,
         RelationService by relationService,
         MembershipService by roomMembersService,
         RoomPushRuleService by roomPushRuleService {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomAPI.kt

@@ -32,11 +32,13 @@ import im.vector.matrix.android.internal.session.room.membership.joining.InviteB
 import im.vector.matrix.android.internal.session.room.relation.RelationsResponse
 import im.vector.matrix.android.internal.session.room.reporting.ReportContentBody
 import im.vector.matrix.android.internal.session.room.send.SendResponse
+import im.vector.matrix.android.internal.session.room.tags.TagBody
 import im.vector.matrix.android.internal.session.room.timeline.EventContextResponse
 import im.vector.matrix.android.internal.session.room.timeline.PaginationResponse
 import im.vector.matrix.android.internal.session.room.typing.TypingBody
 import retrofit2.Call
 import retrofit2.http.Body
+import retrofit2.http.DELETE
 import retrofit2.http.GET
 import retrofit2.http.Headers
 import retrofit2.http.POST
@@ -288,4 +290,25 @@ internal interface RoomAPI {
     fun sendTypingState(@Path("roomId") roomId: String,
                         @Path("userId") userId: String,
                         @Body body: TypingBody): Call<Unit>
+
+    /**
+     * Room tagging
+     */
+
+    /**
+     * Add a tag to a room.
+     */
+    @PUT(NetworkConstants.URI_API_PREFIX_PATH_R0 + "user/{userId}/rooms/{roomId}/tags/{tag}")
+    fun putTag(@Path("userId") userId: String,
+               @Path("roomId") roomId: String,
+               @Path("tag") tag: String,
+               @Body body: TagBody): Call<Unit>
+
+    /**
+     * Delete a tag from a room.
+     */
+    @DELETE(NetworkConstants.URI_API_PREFIX_PATH_R0 + "user/{userId}/rooms/{roomId}/tags/{tag}")
+    fun deleteTag(@Path("userId") userId: String,
+                  @Path("roomId") roomId: String,
+                  @Path("tag") tag: String): Call<Unit>
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomFactory.kt

@@ -30,6 +30,7 @@ import im.vector.matrix.android.internal.session.room.reporting.DefaultReporting
 import im.vector.matrix.android.internal.session.room.send.DefaultSendService
 import im.vector.matrix.android.internal.session.room.state.DefaultStateService
 import im.vector.matrix.android.internal.session.room.state.SendStateTask
+import im.vector.matrix.android.internal.session.room.tags.DefaultTagsService
 import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineService
 import im.vector.matrix.android.internal.session.room.typing.DefaultTypingService
 import im.vector.matrix.android.internal.session.room.uploads.DefaultUploadsService
@@ -52,6 +53,7 @@ internal class DefaultRoomFactory @Inject constructor(private val monarchy: Mona
                                                       private val reportingServiceFactory: DefaultReportingService.Factory,
                                                       private val readServiceFactory: DefaultReadService.Factory,
                                                       private val typingServiceFactory: DefaultTypingService.Factory,
+                                                      private val tagsServiceFactory: DefaultTagsService.Factory,
                                                       private val relationServiceFactory: DefaultRelationService.Factory,
                                                       private val membershipServiceFactory: DefaultMembershipService.Factory,
                                                       private val roomPushRuleServiceFactory: DefaultRoomPushRuleService.Factory,
@@ -72,6 +74,7 @@ internal class DefaultRoomFactory @Inject constructor(private val monarchy: Mona
                 reportingService = reportingServiceFactory.create(roomId),
                 readService = readServiceFactory.create(roomId),
                 typingService = typingServiceFactory.create(roomId),
+                tagsService = tagsServiceFactory.create(roomId),
                 cryptoService = cryptoService,
                 relationService = relationServiceFactory.create(roomId),
                 roomMembersService = membershipServiceFactory.create(roomId),

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomModule.kt

@@ -56,6 +56,10 @@ import im.vector.matrix.android.internal.session.room.reporting.DefaultReportCon
 import im.vector.matrix.android.internal.session.room.reporting.ReportContentTask
 import im.vector.matrix.android.internal.session.room.state.DefaultSendStateTask
 import im.vector.matrix.android.internal.session.room.state.SendStateTask
+import im.vector.matrix.android.internal.session.room.tags.AddTagToRoomTask
+import im.vector.matrix.android.internal.session.room.tags.DefaultAddTagToRoomTask
+import im.vector.matrix.android.internal.session.room.tags.DefaultDeleteTagFromRoomTask
+import im.vector.matrix.android.internal.session.room.tags.DeleteTagFromRoomTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultFetchNextTokenAndPaginateTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultGetContextOfEventTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultPaginationTask
@@ -186,4 +190,10 @@ internal abstract class RoomModule {
 
     @Binds
     abstract fun bindGetUploadsTask(task: DefaultGetUploadsTask): GetUploadsTask
+
+    @Binds
+    abstract fun bindAddTagToRoomTask(task: DefaultAddTagToRoomTask): AddTagToRoomTask
+
+    @Binds
+    abstract fun bindDeleteTagFromRoomTask(task: DefaultDeleteTagFromRoomTask): DeleteTagFromRoomTask
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/tags/AddTagToRoomTask.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2020 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 im.vector.matrix.android.internal.session.room.tags
+
+import im.vector.matrix.android.internal.di.UserId
+import im.vector.matrix.android.internal.network.executeRequest
+import im.vector.matrix.android.internal.session.room.RoomAPI
+import im.vector.matrix.android.internal.task.Task
+import org.greenrobot.eventbus.EventBus
+import javax.inject.Inject
+
+internal interface AddTagToRoomTask : Task<AddTagToRoomTask.Params, Unit> {
+
+    data class Params(
+            val roomId: String,
+            val tag: String,
+            val order: Double?
+    )
+}
+
+internal class DefaultAddTagToRoomTask @Inject constructor(
+        private val roomAPI: RoomAPI,
+        @UserId private val userId: String,
+        private val eventBus: EventBus
+) : AddTagToRoomTask {
+
+    override suspend fun execute(params: AddTagToRoomTask.Params) {
+        executeRequest<Unit>(eventBus) {
+            apiCall = roomAPI.putTag(
+                    userId = userId,
+                    roomId = params.roomId,
+                    tag = params.tag,
+                    body = TagBody(
+                            order = params.order
+                    )
+            )
+        }
+    }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/tags/DefaultTagsService.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2020 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 im.vector.matrix.android.internal.session.room.tags
+
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
+import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.session.room.tags.TagsService
+import im.vector.matrix.android.api.util.Cancelable
+import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.task.configureWith
+
+internal class DefaultTagsService @AssistedInject constructor(
+        @Assisted private val roomId: String,
+        private val taskExecutor: TaskExecutor,
+        private val addTagToRoomTask: AddTagToRoomTask,
+        private val deleteTagFromRoomTask: DeleteTagFromRoomTask
+) : TagsService {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): TagsService
+    }
+
+    override fun addTag(tag: String, order: Double?, callback: MatrixCallback<Unit>): Cancelable {
+        val params = AddTagToRoomTask.Params(roomId, tag, order)
+        return addTagToRoomTask
+                .configureWith(params) {
+                    this.callback = callback
+                }
+                .executeBy(taskExecutor)
+    }
+
+    override fun deleteTag(tag: String, callback: MatrixCallback<Unit>): Cancelable {
+        val params = DeleteTagFromRoomTask.Params(roomId, tag)
+        return deleteTagFromRoomTask
+                .configureWith(params) {
+                    this.callback = callback
+                }
+                .executeBy(taskExecutor)
+    }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/tags/DeleteTagFromRoomTask.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020 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 im.vector.matrix.android.internal.session.room.tags
+
+import im.vector.matrix.android.internal.di.UserId
+import im.vector.matrix.android.internal.network.executeRequest
+import im.vector.matrix.android.internal.session.room.RoomAPI
+import im.vector.matrix.android.internal.task.Task
+import org.greenrobot.eventbus.EventBus
+import javax.inject.Inject
+
+internal interface DeleteTagFromRoomTask : Task<DeleteTagFromRoomTask.Params, Unit> {
+
+    data class Params(
+            val roomId: String,
+            val tag: String
+    )
+}
+
+internal class DefaultDeleteTagFromRoomTask @Inject constructor(
+        private val roomAPI: RoomAPI,
+        @UserId private val userId: String,
+        private val eventBus: EventBus
+) : DeleteTagFromRoomTask {
+
+    override suspend fun execute(params: DeleteTagFromRoomTask.Params) {
+        executeRequest<Unit>(eventBus) {
+            apiCall = roomAPI.deleteTag(
+                    userId = userId,
+                    roomId = params.roomId,
+                    tag = params.tag
+            )
+        }
+    }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/tags/TagBody.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2020 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 im.vector.matrix.android.internal.session.room.tags
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class TagBody(
+        /**
+         * A number in a range [0,1] describing a relative position of the room under the given tag.
+         */
+        @Json(name = "order")
+        val order: Double?
+)

vector/src/main/java/im/vector/riotx/core/epoxy/bottomsheet/BottomSheetRoomPreviewItem.kt

@@ -16,9 +16,12 @@
  */
 package im.vector.riotx.core.epoxy.bottomsheet
 
+import android.content.res.ColorStateList
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.core.content.ContextCompat
+import androidx.core.widget.ImageViewCompat
 import com.airbnb.epoxy.EpoxyAttribute
 import com.airbnb.epoxy.EpoxyModelClass
 import im.vector.matrix.android.api.util.MatrixItem
@@ -28,7 +31,9 @@ import im.vector.riotx.core.epoxy.VectorEpoxyHolder
 import im.vector.riotx.core.epoxy.VectorEpoxyModel
 import im.vector.riotx.core.epoxy.onClick
 import im.vector.riotx.core.extensions.setTextOrHide
+import im.vector.riotx.core.resources.StringProvider
 import im.vector.riotx.features.home.AvatarRenderer
+import im.vector.riotx.features.themes.ThemeUtils
 
 /**
  * A room preview for bottom sheet.
@@ -36,22 +41,46 @@ import im.vector.riotx.features.home.AvatarRenderer
 @EpoxyModelClass(layout = R.layout.item_bottom_sheet_room_preview)
 abstract class BottomSheetRoomPreviewItem : VectorEpoxyModel<BottomSheetRoomPreviewItem.Holder>() {
 
-    @EpoxyAttribute
-    lateinit var avatarRenderer: AvatarRenderer
-    @EpoxyAttribute
-    lateinit var matrixItem: MatrixItem
+    @EpoxyAttribute lateinit var avatarRenderer: AvatarRenderer
+    @EpoxyAttribute lateinit var matrixItem: MatrixItem
+    @EpoxyAttribute lateinit var stringProvider: StringProvider
+    @EpoxyAttribute var izFavorite: Boolean = false
     @EpoxyAttribute var settingsClickListener: ClickListener? = null
+    @EpoxyAttribute var favoriteClickListener: ClickListener? = null
 
     override fun bind(holder: Holder) {
         avatarRenderer.render(matrixItem, holder.avatar)
         holder.avatar.onClick(settingsClickListener)
         holder.roomName.setTextOrHide(matrixItem.displayName)
+        setFavoriteState(holder, izFavorite)
+
+        holder.roomFavorite.setOnClickListener {
+            // Immediate echo
+            setFavoriteState(holder, !izFavorite)
+            // And do the action
+            favoriteClickListener?.invoke()
+        }
         holder.roomSettings.onClick(settingsClickListener)
     }
 
+    private fun setFavoriteState(holder: Holder, isFavorite: Boolean) {
+        val tintColor: Int
+        if (isFavorite) {
+            holder.roomFavorite.contentDescription = stringProvider.getString(R.string.room_list_quick_actions_favorite_remove)
+            holder.roomFavorite.setImageResource(R.drawable.ic_star_green_24dp)
+            tintColor = ContextCompat.getColor(holder.view.context, R.color.riotx_accent)
+        } else {
+            holder.roomFavorite.contentDescription = stringProvider.getString(R.string.room_list_quick_actions_favorite_add)
+            holder.roomFavorite.setImageResource(R.drawable.ic_star_24dp)
+            tintColor = ThemeUtils.getColor(holder.view.context, R.attr.riotx_text_secondary)
+        }
+        ImageViewCompat.setImageTintList(holder.roomFavorite, ColorStateList.valueOf(tintColor))
+    }
+
     class Holder : VectorEpoxyHolder() {
         val avatar by bind<ImageView>(R.id.bottomSheetRoomPreviewAvatar)
         val roomName by bind<TextView>(R.id.bottomSheetRoomPreviewName)
+        val roomFavorite by bind<ImageView>(R.id.bottomSheetRoomPreviewFavorite)
         val roomSettings by bind<View>(R.id.bottomSheetRoomPreviewSettings)
     }
 }

vector/src/main/java/im/vector/riotx/features/home/ShortcutsHandler.kt

@@ -58,7 +58,7 @@ class ShortcutsHandler @Inject constructor(
                 .observeOn(Schedulers.computation())
                 .subscribe { rooms ->
                     val shortcuts = rooms
-                            .filter { room -> room.tags.any { it.name == RoomTag.ROOM_TAG_FAVOURITE } }
+                            .filter { room -> room.isFavorite }
                             .take(n = 4) // Android only allows us to create 4 shortcuts
                             .map { room ->
                                 val intent = RoomDetailActivity.shortcutIntent(context, room.roomId)

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

@@ -27,6 +27,7 @@ sealed class RoomListAction : VectorViewModelAction {
     data class RejectInvitation(val roomSummary: RoomSummary) : RoomListAction()
     data class FilterWith(val filter: String) : RoomListAction()
     data class ChangeRoomNotificationState(val roomId: String, val notificationState: RoomNotificationState) : RoomListAction()
+    data class ToggleFavorite(val roomId: String) : RoomListAction()
     data class LeaveRoom(val roomId: String) : RoomListAction()
     object MarkAllRoomsRead : RoomListAction()
 }

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

@@ -230,6 +230,9 @@ class RoomListFragment @Inject constructor(
             is RoomListQuickActionsSharedAction.Settings                  -> {
                 navigator.openRoomProfile(requireActivity(), quickAction.roomId)
             }
+            is RoomListQuickActionsSharedAction.Favorite                  -> {
+                roomListViewModel.handle(RoomListAction.ToggleFavorite(quickAction.roomId))
+            }
             is RoomListQuickActionsSharedAction.Leave                     -> {
                 AlertDialog.Builder(requireContext())
                         .setTitle(R.string.room_participants_leave_prompt_title)
@@ -239,8 +242,9 @@ class RoomListFragment @Inject constructor(
                         }
                         .setNegativeButton(R.string.cancel, null)
                         .show()
+                Unit
             }
-        }
+        }.exhaustive
     }
 
     override fun invalidate() = withState(roomListViewModel) { state ->

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

@@ -21,6 +21,7 @@ import com.airbnb.mvrx.MvRxViewModelFactory
 import com.airbnb.mvrx.ViewModelContext
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.NoOpMatrixCallback
+import im.vector.matrix.android.api.extensions.orFalse
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.android.api.session.room.model.RoomSummary
@@ -67,6 +68,7 @@ class RoomListViewModel @Inject constructor(initialState: RoomListViewState,
             is RoomListAction.MarkAllRoomsRead            -> handleMarkAllRoomsRead()
             is RoomListAction.LeaveRoom                   -> handleLeaveRoom(action)
             is RoomListAction.ChangeRoomNotificationState -> handleChangeNotificationMode(action)
+            is RoomListAction.ToggleFavorite              -> handleToggleFavorite(action)
         }.exhaustive
     }
 
@@ -205,6 +207,22 @@ class RoomListViewModel @Inject constructor(initialState: RoomListViewState,
         })
     }
 
+    private fun handleToggleFavorite(action: RoomListAction.ToggleFavorite) {
+        session.getRoom(action.roomId)?.let {
+            val callback = object : MatrixCallback<Unit> {
+                override fun onFailure(failure: Throwable) {
+                    _viewEvents.post(RoomListViewEvents.Failure(failure))
+                }
+            }
+            if (it.roomSummary()?.isFavorite == false) {
+                // Set favorite tag. We do not handle the order for the moment
+                it.addTag(RoomTag.ROOM_TAG_FAVOURITE, 0.5, callback)
+            } else {
+                it.deleteTag(RoomTag.ROOM_TAG_FAVOURITE, callback)
+            }
+        }
+    }
+
     private fun handleLeaveRoom(action: RoomListAction.LeaveRoom) {
         _viewEvents.post(RoomListViewEvents.Loading(null))
         session.getRoom(action.roomId)?.leave(null, object : MatrixCallback<Unit> {

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

@@ -86,7 +86,11 @@ class RoomListQuickActionsBottomSheet : VectorBaseBottomSheetDialogFragment(), R
 
     override fun didSelectMenuAction(quickAction: RoomListQuickActionsSharedAction) {
         sharedActionViewModel.post(quickAction)
-        dismiss()
+        // Do not dismiss for all the actions
+        when (quickAction) {
+            is RoomListQuickActionsSharedAction.Favorite -> Unit
+            else                                         -> dismiss()
+        }
     }
 
     companion object {

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

@@ -22,14 +22,17 @@ import im.vector.matrix.android.api.util.toMatrixItem
 import im.vector.riotx.core.epoxy.bottomsheet.bottomSheetActionItem
 import im.vector.riotx.core.epoxy.bottomsheet.bottomSheetRoomPreviewItem
 import im.vector.riotx.core.epoxy.dividerItem
+import im.vector.riotx.core.resources.StringProvider
 import im.vector.riotx.features.home.AvatarRenderer
 import javax.inject.Inject
 
 /**
  * Epoxy controller for room list actions
  */
-class RoomListQuickActionsEpoxyController @Inject constructor(private val avatarRenderer: AvatarRenderer)
-    : TypedEpoxyController<RoomListQuickActionsState>() {
+class RoomListQuickActionsEpoxyController @Inject constructor(
+        private val avatarRenderer: AvatarRenderer,
+        private val stringProvider: StringProvider
+) : TypedEpoxyController<RoomListQuickActionsState>() {
 
     var listener: Listener? = null
 
@@ -38,12 +41,15 @@ class RoomListQuickActionsEpoxyController @Inject constructor(private val avatar
         val showAll = state.mode == RoomListActionsArgs.Mode.FULL
 
         if (showAll) {
-            // Preview
+            // Preview, favorite, settings
             bottomSheetRoomPreviewItem {
                 id("room_preview")
                 avatarRenderer(avatarRenderer)
                 matrixItem(roomSummary.toMatrixItem())
+                stringProvider(stringProvider)
+                izFavorite(roomSummary.isFavorite)
                 settingsClickListener { listener?.didSelectMenuAction(RoomListQuickActionsSharedAction.Settings(roomSummary.roomId)) }
+                favoriteClickListener { listener?.didSelectMenuAction(RoomListQuickActionsSharedAction.Favorite(roomSummary.roomId)) }
             }
 
             // Notifications
@@ -73,8 +79,7 @@ class RoomListQuickActionsEpoxyController @Inject constructor(private val avatar
             is RoomListQuickActionsSharedAction.NotificationsAll          -> roomNotificationState == RoomNotificationState.ALL_MESSAGES
             is RoomListQuickActionsSharedAction.NotificationsMentionsOnly -> roomNotificationState == RoomNotificationState.MENTIONS_ONLY
             is RoomListQuickActionsSharedAction.NotificationsMute         -> roomNotificationState == RoomNotificationState.MUTE
-            is RoomListQuickActionsSharedAction.Settings,
-            is RoomListQuickActionsSharedAction.Leave                     -> false
+            else                                                          -> false
         }
         return bottomSheetActionItem {
             id("action_$index")

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

@@ -52,6 +52,10 @@ sealed class RoomListQuickActionsSharedAction(
             R.drawable.ic_room_actions_settings
     )
 
+    data class Favorite(val roomId: String) : RoomListQuickActionsSharedAction(
+            R.string.room_list_quick_actions_favorite_add,
+            R.drawable.ic_star_24dp)
+
     data class Leave(val roomId: String) : RoomListQuickActionsSharedAction(
             R.string.room_list_quick_actions_leave,
             R.drawable.ic_room_actions_leave,

vector/src/main/res/drawable/ic_star_24dp.xml

@@ -0,0 +1,14 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12,2L15.09,8.26L22,9.27L17,14.14L18.18,21.02L12,17.77L5.82,21.02L7,14.14L2,9.27L8.91,8.26L12,2Z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:fillType="evenOdd"
+      android:strokeColor="#2E2F32"
+      android:strokeLineCap="round"/>
+</vector>

vector/src/main/res/drawable/ic_star_green_24dp.xml

@@ -0,0 +1,14 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#03B381"
+        android:fillType="evenOdd"
+        android:pathData="M12,2L15.09,8.26L22,9.27L17,14.14L18.18,21.02L12,17.77L5.82,21.02L7,14.14L2,9.27L8.91,8.26L12,2Z"
+        android:strokeWidth="2"
+        android:strokeColor="#03B381"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round" />
+</vector>

vector/src/main/res/layout/item_bottom_sheet_room_preview.xml

@@ -11,13 +11,13 @@
         android:layout_width="48dp"
         android:layout_height="48dp"
         android:layout_marginStart="@dimen/layout_horizontal_margin"
-        android:layout_marginEnd="@dimen/layout_horizontal_margin"
         android:layout_marginTop="8dp"
+        android:layout_marginEnd="@dimen/layout_horizontal_margin"
         android:layout_marginBottom="8dp"
         android:adjustViewBounds="true"
         android:background="@drawable/circle"
-        android:importantForAccessibility="no"
         android:contentDescription="@string/avatar"
+        android:importantForAccessibility="no"
         android:scaleType="centerCrop"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -39,19 +39,33 @@
         android:textSize="14sp"
         android:textStyle="bold"
         app:layout_constraintBottom_toBottomOf="@+id/bottomSheetRoomPreviewAvatar"
-        app:layout_constraintEnd_toStartOf="@+id/bottomSheetRoomPreviewSettings"
+        app:layout_constraintEnd_toStartOf="@+id/bottomSheetRoomPreviewFavorite"
         app:layout_constraintStart_toEndOf="@id/bottomSheetRoomPreviewAvatar"
         app:layout_constraintTop_toTopOf="@id/bottomSheetRoomPreviewAvatar"
         tools:text="@tools:sample/full_names" />
 
+    <ImageView
+        android:id="@+id/bottomSheetRoomPreviewFavorite"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:background="?attr/selectableItemBackground"
+        android:scaleType="centerInside"
+        app:layout_constraintBottom_toBottomOf="@+id/bottomSheetRoomPreviewAvatar"
+        app:layout_constraintEnd_toStartOf="@+id/bottomSheetRoomPreviewSettings"
+        app:layout_constraintTop_toTopOf="@id/bottomSheetRoomPreviewAvatar"
+        tools:contentDescription="@string/room_list_quick_actions_favorite_add"
+        tools:src="@drawable/ic_star_24dp"
+        tools:tint="?riotx_text_secondary" />
+
     <ImageView
         android:id="@+id/bottomSheetRoomPreviewSettings"
         android:layout_width="48dp"
         android:layout_height="48dp"
         android:background="?attr/selectableItemBackground"
+        android:contentDescription="@string/room_list_quick_actions_settings"
         android:scaleType="centerInside"
         android:src="@drawable/ic_room_actions_settings"
-        android:contentDescription="@string/room_list_quick_actions_settings"
+        android:tint="?riotx_text_secondary"
         app:layout_constraintBottom_toBottomOf="@+id/bottomSheetRoomPreviewAvatar"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="@id/bottomSheetRoomPreviewAvatar" />

vector/src/main/res/values/strings.xml

@@ -1821,6 +1821,8 @@ Not all features in Riot are implemented in RiotX yet. Main missing (and coming
     <string name="room_list_quick_actions_notifications_mentions">"Mentions only"</string>
     <string name="room_list_quick_actions_notifications_mute">"Mute"</string>
     <string name="room_list_quick_actions_settings">"Settings"</string>
+    <string name="room_list_quick_actions_favorite_add">"Add to favorites"</string>
+    <string name="room_list_quick_actions_favorite_remove">"Remove from favorites"</string>
     <string name="room_list_quick_actions_leave">"Leave the room"</string>
     <string name="notice_member_no_changes">"%1$s made no changes"</string>
     <string name="notice_member_no_changes_by_you">"You made no changes"</string>