89 lines
2.9 KiB
Kotlin
89 lines
2.9 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.loader
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import android.content.Context
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import org.mariotaku.microblog.library.MicroBlogException
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import org.mariotaku.microblog.library.twitter.model.CursorSupport
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import org.mariotaku.microblog.library.twitter.model.Paging
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import org.mariotaku.twidere.TwidereConstants.*
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import org.mariotaku.twidere.loader.iface.ICursorSupportLoader
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import org.mariotaku.twidere.model.AccountDetails
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import org.mariotaku.twidere.model.ParcelableUser
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import org.mariotaku.twidere.model.UserKey
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abstract class CursorSupportUsersLoader(
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context: Context,
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accountKey: UserKey?,
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data: List<ParcelableUser>?,
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fromUser: Boolean
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) : AbsRequestUsersLoader(context, accountKey, data, fromUser), ICursorSupportLoader {
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var page = -1
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override var cursor: Long = 0
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val count: Int
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override var nextCursor: Long = 0
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protected set
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override var prevCursor: Long = 0
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protected set
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var nextPage: Int = 0
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protected set
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init {
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val preferences = context.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)
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val loadItemLimit = preferences.getInt(KEY_LOAD_ITEM_LIMIT, DEFAULT_LOAD_ITEM_LIMIT)
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count = Math.min(100, loadItemLimit)
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}
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protected fun setCursors(cursor: CursorSupport?) {
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if (cursor == null) return
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nextCursor = cursor.nextCursor
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prevCursor = cursor.previousCursor
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}
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protected fun incrementPage(users: List<ParcelableUser>) {
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if (users.isEmpty()) return
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if (page == -1) {
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page = 1
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}
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nextPage = page + 1
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}
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@Throws(MicroBlogException::class)
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protected abstract fun getUsers(details: AccountDetails, paging: Paging): List<ParcelableUser>
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@Throws(MicroBlogException::class)
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override fun getUsers(details: AccountDetails): List<ParcelableUser> {
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val paging = Paging()
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paging.count(count)
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if (cursor > 0) {
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paging.setCursor(cursor)
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} else if (page > 1) {
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paging.setPage(page)
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}
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val users = getUsers(details, paging)
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incrementPage(users)
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return users
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}
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}
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