BayernMessenger/app/src/main/java/im/vector/riotredesign/features/home/room/list/RoomListFragment.kt

96 lines
3.4 KiB
Kotlin

/*
*
* * Copyright 2019 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.riotredesign.features.home.room.list
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.airbnb.mvrx.Fail
import com.airbnb.mvrx.Incomplete
import com.airbnb.mvrx.Success
import com.airbnb.mvrx.activityViewModel
import im.vector.matrix.android.api.failure.Failure
import im.vector.matrix.android.api.session.room.model.RoomSummary
import im.vector.riotredesign.R
import im.vector.riotredesign.core.platform.RiotFragment
import im.vector.riotredesign.core.platform.StateView
import im.vector.riotredesign.features.home.HomeNavigator
import kotlinx.android.synthetic.main.fragment_room_list.*
import org.koin.android.ext.android.inject
class RoomListFragment : RiotFragment(), RoomSummaryController.Callback {
companion object {
fun newInstance(): RoomListFragment {
return RoomListFragment()
}
}
private val homeNavigator by inject<HomeNavigator>()
private val homeViewModel: RoomListViewModel by activityViewModel()
private lateinit var roomController: RoomSummaryController
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
return inflater.inflate(R.layout.fragment_room_list, container, false)
}
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
roomController = RoomSummaryController(this)
stateView.contentView = epoxyRecyclerView
epoxyRecyclerView.setController(roomController)
homeViewModel.subscribe { renderState(it) }
}
private fun renderState(state: RoomListViewState) {
when (state.asyncRooms) {
is Incomplete -> renderLoading()
is Success -> renderSuccess(state)
is Fail -> renderFailure(state.asyncRooms.error)
}
}
private fun renderSuccess(state: RoomListViewState) {
if (state.asyncRooms().isNullOrEmpty()) {
stateView.state = StateView.State.Empty(getString(R.string.room_list_empty))
} else {
stateView.state = StateView.State.Content
}
roomController.setData(state)
}
private fun renderLoading() {
stateView.state = StateView.State.Loading
}
private fun renderFailure(error: Throwable) {
val message = when (error) {
is Failure.NetworkConnection -> getString(R.string.error_no_network)
else -> getString(R.string.error_common)
}
stateView.state = StateView.State.Error(message)
}
override fun onRoomSelected(room: RoomSummary) {
homeViewModel.accept(RoomListActions.SelectRoom(room))
homeNavigator.openRoomDetail(room.roomId, null)
}
}