BayernMessenger/vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/helper/TimelineDisplayableEvents.kt

57 lines
1.8 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.detail.timeline.helper
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
object TimelineDisplayableEvents {
val DISPLAYABLE_TYPES = listOf(
EventType.MESSAGE,
EventType.STATE_ROOM_NAME,
EventType.STATE_ROOM_TOPIC,
EventType.STATE_ROOM_MEMBER,
EventType.STATE_HISTORY_VISIBILITY,
EventType.CALL_INVITE,
EventType.CALL_HANGUP,
EventType.CALL_ANSWER,
EventType.ENCRYPTED,
EventType.ENCRYPTION,
EventType.STATE_ROOM_THIRD_PARTY_INVITE,
EventType.STICKER,
EventType.STATE_ROOM_CREATE
)
}
fun TimelineEvent.isDisplayable(): Boolean {
return TimelineDisplayableEvents.DISPLAYABLE_TYPES.contains(root.type) && !root.content.isNullOrEmpty()
}
fun List<TimelineEvent>.filterDisplayableEvents(): List<TimelineEvent> {
return this.filter {
it.isDisplayable()
}
}
fun List<TimelineEvent>.nextDisplayableEvent(index: Int): TimelineEvent? {
return if (index == size - 1) {
null
} else {
subList(index + 1, this.size).firstOrNull { it.isDisplayable() }
}
}