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

98 lines
3.5 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 androidx.annotation.StringRes
import com.airbnb.epoxy.TypedEpoxyController
import im.vector.matrix.android.api.session.room.model.RoomSummary
import im.vector.riotredesign.core.resources.StringProvider
class RoomSummaryController(private val stringProvider: StringProvider
) : TypedEpoxyController<RoomListViewState>() {
var callback: Callback? = null
override fun buildModels(viewState: RoomListViewState) {
val roomSummaries = viewState.asyncRooms()
roomSummaries?.forEach { (category, summaries) ->
if (summaries.isEmpty()) {
return@forEach
} else {
val isExpanded = viewState.isCategoryExpanded(category)
buildRoomCategory(viewState, summaries, category.titleRes, viewState.isCategoryExpanded(category)) {
callback?.onToggleRoomCategory(category)
}
if (isExpanded) {
buildRoomModels(summaries, viewState.visibleRoomId)
}
}
}
}
private fun buildRoomCategory(viewState: RoomListViewState,
summaries: List<RoomSummary>,
@StringRes titleRes: Int,
isExpanded: Boolean,
mutateExpandedState: () -> Unit) {
if (summaries.isEmpty()) {
return
}
//TODO should add some business logic later
val unreadCount = if (summaries.isEmpty()) {
0
} else {
summaries.map { it.notificationCount }.reduce { acc, i -> acc + i }
}
val showHighlighted = summaries.any { it.highlightCount > 0 }
roomCategoryItem {
id(titleRes)
title(stringProvider.getString(titleRes).toUpperCase())
expanded(isExpanded)
unreadCount(unreadCount)
showHighlighted(showHighlighted)
listener {
mutateExpandedState()
setData(viewState)
}
}
}
private fun buildRoomModels(summaries: List<RoomSummary>, selectedRoomId: String?) {
summaries.forEach { roomSummary ->
val unreadCount = roomSummary.notificationCount
val showHighlighted = roomSummary.highlightCount > 0
val isSelected = roomSummary.roomId == selectedRoomId
roomSummaryItem {
id(roomSummary.roomId)
roomName(roomSummary.displayName)
avatarUrl(roomSummary.avatarUrl)
selected(isSelected)
showHighlighted(showHighlighted)
unreadCount(unreadCount)
listener { callback?.onRoomSelected(roomSummary) }
}
}
}
interface Callback {
fun onToggleRoomCategory(roomCategory: RoomCategory)
fun onRoomSelected(room: RoomSummary)
}
}