Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/loader/group/BaseGroupsLoader.kt

104 lines
3.7 KiB
Kotlin

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.loader.group
import android.content.Context
import android.support.v4.content.FixedAsyncTaskLoader
import org.mariotaku.microblog.library.MicroBlog
import org.mariotaku.microblog.library.MicroBlogException
import org.mariotaku.microblog.library.statusnet.model.Group
import org.mariotaku.microblog.library.twitter.model.PageableResponseList
import org.mariotaku.twidere.TwidereConstants.LOGTAG
import org.mariotaku.twidere.loader.iface.IPaginationLoader
import org.mariotaku.twidere.model.ParcelableGroup
import org.mariotaku.twidere.model.UserKey
import org.mariotaku.twidere.model.pagination.CursorPagination
import org.mariotaku.twidere.model.pagination.Pagination
import org.mariotaku.twidere.model.util.ParcelableGroupUtils
import org.mariotaku.twidere.util.DebugLog
import org.mariotaku.twidere.util.MicroBlogAPIFactory
import org.mariotaku.twidere.util.collection.NoDuplicatesArrayList
import java.util.*
abstract class BaseGroupsLoader(
context: Context,
protected val accountKey: UserKey,
data: List<ParcelableGroup>?
) : FixedAsyncTaskLoader<List<ParcelableGroup>>(context), IPaginationLoader {
override var pagination: Pagination? = null
override final var nextPagination: Pagination? = null
private set
override final var prevPagination: Pagination? = null
private set
protected val data = NoDuplicatesArrayList<ParcelableGroup>()
init {
if (data != null) {
this.data.addAll(data)
}
}
@Throws(MicroBlogException::class)
abstract fun getGroups(twitter: MicroBlog): List<Group>
override fun loadInBackground(): List<ParcelableGroup> {
val twitter = MicroBlogAPIFactory.getInstance(context, accountKey) ?: return emptyList()
var listLoaded: List<Group>? = null
try {
listLoaded = getGroups(twitter)
} catch (e: MicroBlogException) {
DebugLog.w(LOGTAG, tr = e)
}
if (listLoaded != null) {
val listSize = listLoaded.size
if (listLoaded is PageableResponseList<*>) {
nextPagination = CursorPagination.valueOf(listLoaded.nextCursor)
prevPagination = CursorPagination.valueOf(listLoaded.previousCursor)
val dataSize = data.size
for (i in 0..listSize - 1) {
val group = listLoaded[i]
data.add(ParcelableGroupUtils.from(group, accountKey, dataSize + i, isMember(group)))
}
} else {
for (i in 0..listSize - 1) {
val list = listLoaded[i]
data.add(ParcelableGroupUtils.from(listLoaded[i], accountKey, i, isMember(list)))
}
}
}
Collections.sort(data)
return data
}
public override fun onStartLoading() {
forceLoad()
}
protected open fun isMember(list: Group): Boolean {
return list.isMember
}
}