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

133 lines
5.1 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.text.Editable
import android.text.TextWatcher
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.LinearLayoutManager
import com.airbnb.mvrx.Fail
import com.airbnb.mvrx.Incomplete
import com.airbnb.mvrx.Success
import com.airbnb.mvrx.fragmentViewModel
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.epoxy.LayoutManagerStateRestorer
import im.vector.riotredesign.core.extensions.observeEvent
import im.vector.riotredesign.core.extensions.setupAsSearch
import im.vector.riotredesign.core.platform.RiotFragment
import im.vector.riotredesign.core.platform.StateView
import im.vector.riotredesign.features.home.HomeModule
import im.vector.riotredesign.features.home.HomeNavigator
import kotlinx.android.synthetic.main.fragment_room_list.*
import org.koin.android.ext.android.inject
import org.koin.android.scope.ext.android.bindScope
import org.koin.android.scope.ext.android.getOrCreateScope
class RoomListFragment : RiotFragment(), RoomSummaryController.Callback {
companion object {
fun newInstance(): RoomListFragment {
return RoomListFragment()
}
}
private val roomController by inject<RoomSummaryController>()
private val homeNavigator by inject<HomeNavigator>()
private val roomListViewModel: RoomListViewModel by fragmentViewModel()
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)
bindScope(getOrCreateScope(HomeModule.ROOM_LIST_SCOPE))
setupRecyclerView()
setupFilterView()
roomListViewModel.subscribe { renderState(it) }
roomListViewModel.openRoomLiveData.observeEvent(this) {
homeNavigator.openRoomDetail(it, null)
}
}
private fun setupRecyclerView() {
val layoutManager = LinearLayoutManager(context)
val stateRestorer = LayoutManagerStateRestorer(layoutManager).register()
epoxyRecyclerView.layoutManager = layoutManager
roomController.callback = this
roomController.addModelBuildListener { it.dispatchTo(stateRestorer) }
stateView.contentView = epoxyRecyclerView
epoxyRecyclerView.setController(roomController)
}
private fun setupFilterView() {
filterRoomView.setupAsSearch()
filterRoomView.addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(s: Editable?) = Unit
override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
roomListViewModel.accept(RoomListActions.FilterRooms(s))
}
})
}
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.network_error_please_check_and_retry)
else -> getString(R.string.unknown_error)
}
stateView.state = StateView.State.Error(message)
}
// RoomSummaryController.Callback **************************************************************
override fun onRoomSelected(room: RoomSummary) {
roomListViewModel.accept(RoomListActions.SelectRoom(room))
}
override fun onToggleRoomCategory(roomCategory: RoomCategory) {
roomListViewModel.accept(RoomListActions.ToggleCategory(roomCategory))
}
}