Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/loader/userlists/BaseUserListsLoader.kt

125 lines
4.8 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.userlists
import android.accounts.AccountManager
import android.content.Context
import android.content.SharedPreferences
import android.support.v4.content.FixedAsyncTaskLoader
import android.util.Log
import org.mariotaku.kpreferences.get
import org.mariotaku.microblog.library.MicroBlog
import org.mariotaku.microblog.library.MicroBlogException
import org.mariotaku.microblog.library.twitter.model.PageableResponseList
import org.mariotaku.microblog.library.twitter.model.Paging
import org.mariotaku.microblog.library.twitter.model.UserList
import org.mariotaku.twidere.R
import org.mariotaku.twidere.TwidereConstants.LOGTAG
import org.mariotaku.twidere.constant.loadItemLimitKey
import org.mariotaku.twidere.extension.model.api.microblog.toParcelable
import org.mariotaku.twidere.extension.model.newMicroBlogInstance
import org.mariotaku.twidere.loader.iface.IPaginationLoader
import org.mariotaku.twidere.model.ParcelableUserList
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.AccountUtils
import org.mariotaku.twidere.util.collection.NoDuplicatesArrayList
import org.mariotaku.twidere.util.dagger.GeneralComponent
import java.util.*
import javax.inject.Inject
abstract class BaseUserListsLoader(
context: Context,
protected val accountKey: UserKey?,
data: List<ParcelableUserList>?
) : FixedAsyncTaskLoader<List<ParcelableUserList>>(context), IPaginationLoader {
@Inject
lateinit var preferences: SharedPreferences
protected val data = NoDuplicatesArrayList<ParcelableUserList>()
private val profileImageSize = context.getString(R.string.profile_image_size)
override var pagination: Pagination? = null
override var nextPagination: Pagination? = null
protected set
override var prevPagination: Pagination? = null
protected set
init {
GeneralComponent.get(context).inject(this)
if (data != null) {
this.data.addAll(data)
}
}
@Throws(MicroBlogException::class)
abstract fun getUserLists(twitter: MicroBlog, paging: Paging): List<UserList>
override fun loadInBackground(): List<ParcelableUserList> {
if (accountKey == null) return emptyList()
var listLoaded: List<UserList>? = null
try {
val am = AccountManager.get(context)
val details = AccountUtils.getAccountDetails(am, accountKey, true) ?: return data
val twitter = details.newMicroBlogInstance(context, MicroBlog::class.java)
val paging = Paging()
paging.count(preferences[loadItemLimitKey].coerceIn(0, 100))
pagination?.applyTo(paging)
listLoaded = getUserLists(twitter, paging)
} catch (e: MicroBlogException) {
Log.w(LOGTAG, 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 until listSize) {
val list = listLoaded[i]
data.add(list.toParcelable(accountKey, (dataSize + i).toLong(),
isFollowing(list), profileImageSize))
}
} else {
for (i in 0 until listSize) {
val list = listLoaded[i]
data.add(listLoaded[i].toParcelable(accountKey, i.toLong(),
isFollowing(list), profileImageSize))
}
}
}
Collections.sort(data)
return data
}
override fun onStartLoading() {
forceLoad()
}
protected open fun isFollowing(list: UserList): Boolean {
return list.isFollowing
}
}