463 lines
18 KiB
Kotlin
463 lines
18 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2015 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.adapter
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import android.content.Context
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import android.database.Cursor
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import android.support.v4.widget.Space
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import android.support.v7.widget.RecyclerView
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import com.bumptech.glide.RequestManager
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import org.mariotaku.kpreferences.get
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import org.mariotaku.ktextension.contains
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import org.mariotaku.ktextension.findPositionByItemId
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import org.mariotaku.ktextension.rangeOfSize
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import org.mariotaku.ktextension.safeMoveToPosition
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import org.mariotaku.library.objectcursor.ObjectCursor
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import org.mariotaku.twidere.R
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import org.mariotaku.twidere.adapter.iface.IGapSupportedAdapter
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import org.mariotaku.twidere.adapter.iface.IGapSupportedAdapter.Companion.ITEM_VIEW_TYPE_GAP
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import org.mariotaku.twidere.adapter.iface.IItemCountsAdapter
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import org.mariotaku.twidere.adapter.iface.ILoadMoreSupportAdapter
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import org.mariotaku.twidere.adapter.iface.ILoadMoreSupportAdapter.Companion.ITEM_VIEW_TYPE_LOAD_INDICATOR
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import org.mariotaku.twidere.adapter.iface.IStatusesAdapter
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import org.mariotaku.twidere.annotation.PreviewStyle
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import org.mariotaku.twidere.constant.*
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import org.mariotaku.twidere.constant.SharedPreferenceConstants.KEY_DISPLAY_SENSITIVE_CONTENTS
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import org.mariotaku.twidere.model.*
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import org.mariotaku.twidere.util.StatusAdapterLinkClickHandler
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import org.mariotaku.twidere.util.TwidereLinkify
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import org.mariotaku.twidere.util.Utils
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import org.mariotaku.twidere.view.holder.EmptyViewHolder
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import org.mariotaku.twidere.view.holder.GapViewHolder
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import org.mariotaku.twidere.view.holder.LoadIndicatorViewHolder
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import org.mariotaku.twidere.view.holder.iface.IStatusViewHolder
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import java.util.*
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/**
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* Created by mariotaku on 15/10/26.
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*/
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abstract class ParcelableStatusesAdapter(
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context: Context,
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requestManager: RequestManager
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) : LoadMoreSupportAdapter<RecyclerView.ViewHolder>(context, requestManager), IStatusesAdapter<List<ParcelableStatus>>,
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IItemCountsAdapter {
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protected val inflater: LayoutInflater = LayoutInflater.from(context)
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final override val twidereLinkify: TwidereLinkify
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@PreviewStyle
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final override val mediaPreviewStyle: Int = preferences[mediaPreviewStyleKey]
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final override val nameFirst: Boolean = preferences[nameFirstKey]
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final override val useStarsForLikes: Boolean = preferences[iWantMyStarsBackKey]
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@TwidereLinkify.HighlightStyle
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final override val linkHighlightingStyle: Int = preferences[linkHighlightOptionKey]
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final override val lightFont: Boolean = preferences[lightFontKey]
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final override val mediaPreviewEnabled: Boolean = Utils.isMediaPreviewEnabled(context, preferences)
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final override val sensitiveContentEnabled: Boolean = preferences.getBoolean(KEY_DISPLAY_SENSITIVE_CONTENTS, false)
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private val showCardActions: Boolean = !preferences[hideCardActionsKey]
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private val gapLoadingIds: MutableSet<ObjectId> = HashSet()
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override var statusClickListener: IStatusViewHolder.StatusClickListener? = null
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override val gapClickListener: IGapSupportedAdapter.GapClickListener?
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get() = statusClickListener
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val hasPinnedStatuses: Boolean
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get() = pinnedStatuses != null
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override var showAccountsColor: Boolean = false
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set(value) {
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if (field == value) return
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field = value
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notifyDataSetChanged()
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}
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var isShowInReplyTo: Boolean = false
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set(value) {
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if (field == value) return
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field = value
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notifyDataSetChanged()
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}
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var pinnedStatuses: List<ParcelableStatus>? = null
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set(value) {
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field = value
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value?.forEach { it.is_pinned_status = true }
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updateItemCount()
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notifyDataSetChanged()
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}
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private var data: List<ParcelableStatus>? = null
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private var displayPositions: IntArray? = null
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private var displayDataCount: Int = 0
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private var showingActionCardId = RecyclerView.NO_ID
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override val itemCounts = ItemCounts(4)
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val statusStartIndex: Int
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get() = getItemStartPosition(ITEM_INDEX_STATUS)
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override var loadMoreIndicatorPosition: Long
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get() = super.loadMoreIndicatorPosition
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set(value) {
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super.loadMoreIndicatorPosition = value
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updateItemCount()
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}
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override var loadMoreSupportedPosition: Long
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get() = super.loadMoreSupportedPosition
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set(value) {
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super.loadMoreSupportedPosition = value
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updateItemCount()
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}
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init {
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val handler = StatusAdapterLinkClickHandler<List<ParcelableStatus>>(context, preferences)
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twidereLinkify = TwidereLinkify(handler)
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handler.setAdapter(this)
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isShowInReplyTo = true
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setHasStableIds(true)
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}
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override fun isGapItem(position: Int): Boolean {
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val dataPosition = position - statusStartIndex
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val statusCount = getStatusCount(false)
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if (dataPosition < 0 || dataPosition >= statusCount) return false
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// Don't show gap if it's last item
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if (dataPosition == statusCount - 1) return false
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if (data is ObjectCursor) {
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val cursor = (data as ObjectCursor).cursor
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if (!cursor.moveToPosition(dataPosition)) return false
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val indices = (data as ObjectCursor).indices as ParcelableStatusCursorIndices
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return cursor.getShort(indices.is_gap).toInt() == 1
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}
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return getStatus(position).is_gap
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}
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override fun getStatus(position: Int, raw: Boolean): ParcelableStatus {
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return getStatus(position, getItemCountIndex(position, raw), raw)
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}
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override fun getStatusCount(raw: Boolean): Int {
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if (raw) return data?.size ?: 0
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return displayDataCount
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}
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override fun setData(data: List<ParcelableStatus>?): Boolean {
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var changed = true
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if (data == null) {
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displayPositions = null
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displayDataCount = 0
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} else if (data is ObjectCursor) {
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displayPositions = null
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displayDataCount = data.size
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} else {
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var filteredCount = 0
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displayPositions = IntArray(data.size).apply {
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data.forEachIndexed { i, item ->
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if (!item.is_gap && item.is_filtered) {
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filteredCount++
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} else {
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this[i - filteredCount] = i
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}
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}
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}
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displayDataCount = data.size - filteredCount
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changed = this.data != data
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}
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this.data = data
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gapLoadingIds.clear()
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updateItemCount()
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notifyDataSetChanged()
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return changed
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}
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fun getData(): List<ParcelableStatus>? {
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return data
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}
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override fun getItemId(position: Int): Long {
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val countIndex = getItemCountIndex(position)
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when (countIndex) {
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ITEM_INDEX_PINNED_STATUS -> {
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val status = pinnedStatuses!![position - getItemStartPosition(ITEM_INDEX_PINNED_STATUS)]
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val mask = ITEM_INDEX_PINNED_STATUS.toLong() shl 32
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return mask + status.hashCode()
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}
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ITEM_INDEX_STATUS -> return getFieldValue(position, { cursor, indices ->
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val accountKey = UserKey.valueOf(cursor.getString(indices.account_key))
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val id = cursor.getString(indices.id)
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return@getFieldValue ParcelableStatus.calculateHashCode(accountKey, id).toLong()
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}, { status ->
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return@getFieldValue status.hashCode().toLong()
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}, -1L)
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else -> return (countIndex.toLong() shl 32) + position
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}
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}
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override fun getStatusId(position: Int, raw: Boolean): String {
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return getFieldValue(position, { cursor, indices ->
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return@getFieldValue cursor.getString(indices.id)
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}, { status ->
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return@getFieldValue status.id
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}, "")
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}
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fun getStatusSortId(position: Int): Long {
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return getFieldValue(position, { cursor, indices ->
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return@getFieldValue cursor.getLong(indices.sort_id)
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}, { status ->
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return@getFieldValue status.sort_id
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}, -1L)
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}
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override fun getStatusTimestamp(position: Int, raw: Boolean): Long {
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return getFieldValue(position, { cursor, indices ->
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return@getFieldValue cursor.getLong(indices.timestamp)
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}, { status ->
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return@getFieldValue status.timestamp
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}, -1L)
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}
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override fun getStatusPositionKey(position: Int, raw: Boolean): Long {
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return getFieldValue(position, { cursor, indices ->
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val positionKey = cursor.getLong(indices.position_key)
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if (positionKey > 0) return@getFieldValue positionKey
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return@getFieldValue cursor.getLong(indices.timestamp)
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}, { status ->
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val positionKey = status.position_key
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if (positionKey > 0) return@getFieldValue positionKey
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return@getFieldValue status.timestamp
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}, -1L)
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}
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override fun getAccountKey(position: Int, raw: Boolean): UserKey {
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val def: UserKey? = null
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return getFieldValue(position, { cursor, indices ->
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return@getFieldValue UserKey.valueOf(cursor.getString(indices.account_key))
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}, { status ->
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return@getFieldValue status.account_key
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}, def, raw)!!
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}
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override fun isCardActionsShown(position: Int): Boolean {
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if (position == RecyclerView.NO_POSITION) return showCardActions
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return showCardActions || showingActionCardId == getItemId(position)
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}
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override fun showCardActions(position: Int) {
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if (showingActionCardId != RecyclerView.NO_ID) {
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val pos = findPositionByItemId(showingActionCardId)
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if (pos != RecyclerView.NO_POSITION) {
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notifyItemChanged(pos)
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}
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}
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showingActionCardId = getItemId(position)
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if (position != RecyclerView.NO_POSITION) {
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notifyItemChanged(position)
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}
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
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when (viewType) {
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VIEW_TYPE_STATUS -> {
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return onCreateStatusViewHolder(parent) as RecyclerView.ViewHolder
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}
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ITEM_VIEW_TYPE_GAP -> {
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val view = inflater.inflate(GapViewHolder.layoutResource, parent, false)
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return GapViewHolder(this, view)
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}
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ITEM_VIEW_TYPE_LOAD_INDICATOR -> {
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val view = inflater.inflate(R.layout.list_item_load_indicator, parent, false)
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return LoadIndicatorViewHolder(view)
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}
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VIEW_TYPE_EMPTY -> {
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return EmptyViewHolder(Space(context))
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}
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}
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throw IllegalStateException("Unknown view type " + viewType)
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}
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
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when (holder.itemViewType) {
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VIEW_TYPE_STATUS -> {
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val countIdx = getItemCountIndex(position)
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val status = getStatus(position, countIdx)
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(holder as IStatusViewHolder).displayStatus(status, displayInReplyTo = isShowInReplyTo,
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displayPinned = countIdx == ITEM_INDEX_PINNED_STATUS)
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}
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ITEM_VIEW_TYPE_GAP -> {
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val status = getStatus(position)
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val loading = gapLoadingIds.any { it.accountKey == status.account_key && it.id == status.id }
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(holder as GapViewHolder).display(loading)
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}
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}
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}
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override fun getItemViewType(position: Int): Int {
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if (position == 0 && ILoadMoreSupportAdapter.START in loadMoreIndicatorPosition) {
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return ITEM_VIEW_TYPE_LOAD_INDICATOR
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}
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when (getItemCountIndex(position)) {
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ITEM_INDEX_LOAD_START_INDICATOR, ITEM_INDEX_LOAD_END_INDICATOR -> {
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return ITEM_VIEW_TYPE_LOAD_INDICATOR
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}
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ITEM_INDEX_PINNED_STATUS -> {
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return VIEW_TYPE_STATUS
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}
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ITEM_INDEX_STATUS -> {
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if (isGapItem(position)) {
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return ITEM_VIEW_TYPE_GAP
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} else {
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return VIEW_TYPE_STATUS
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}
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}
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}
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throw AssertionError()
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}
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protected abstract fun onCreateStatusViewHolder(parent: ViewGroup): IStatusViewHolder
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override fun addGapLoadingId(id: ObjectId) {
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gapLoadingIds.add(id)
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}
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override fun removeGapLoadingId(id: ObjectId) {
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gapLoadingIds.remove(id)
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}
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fun isStatus(position: Int, raw: Boolean = false): Boolean {
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return position < getStatusCount(raw)
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}
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override fun getItemCount(): Int {
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return itemCounts.itemCount
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}
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override fun findStatusById(accountKey: UserKey, statusId: String): ParcelableStatus? {
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for (i in 0 until getStatusCount(true)) {
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if (accountKey == getAccountKey(i, true) && statusId == getStatusId(i, true)) {
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return getStatus(i, true)
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}
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}
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return null
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}
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fun findPositionByPositionKey(positionKey: Long, raw: Boolean = false): Int {
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// Assume statuses are descend sorted by id, so break at first status with id
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// lesser equals than read position
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if (positionKey <= 0) return RecyclerView.NO_POSITION
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val range = rangeOfSize(statusStartIndex, getStatusCount(raw))
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if (range.isEmpty()) return RecyclerView.NO_POSITION
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if (positionKey < getStatusPositionKey(range.last)) {
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return range.last
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}
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return range.indexOfFirst { positionKey >= getStatusPositionKey(it) }
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}
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fun findPositionBySortId(sortId: Long, raw: Boolean = false): Int {
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// Assume statuses are descend sorted by id, so break at first status with id
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// lesser equals than read position
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if (sortId <= 0) return RecyclerView.NO_POSITION
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val range = rangeOfSize(statusStartIndex, getStatusCount(raw))
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if (range.isEmpty()) return RecyclerView.NO_POSITION
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if (sortId < getStatusSortId(range.last)) {
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return range.last
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}
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return range.indexOfFirst { sortId >= getStatusSortId(it) }
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}
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private fun getItemCountIndex(position: Int, raw: Boolean): Int {
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if (!raw) return itemCounts.getItemCountIndex(position)
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var sum = 0
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for (i in 0 until itemCounts.size) {
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sum += when (i) {
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ITEM_INDEX_STATUS -> data!!.size
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else -> itemCounts[i]
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}
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if (position < sum) {
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return i
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}
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}
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return -1
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}
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private inline fun <T> getFieldValue(position: Int,
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readCursorValueAction: (cursor: Cursor, indices: ParcelableStatusCursorIndices) -> T,
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readStatusValueAction: (status: ParcelableStatus) -> T,
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defValue: T, raw: Boolean = false): T {
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if (data is ObjectCursor) {
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val dataPosition = position - statusStartIndex
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if (dataPosition < 0 || dataPosition >= getStatusCount(true)) return defValue
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val cursor = (data as ObjectCursor).cursor
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if (!cursor.safeMoveToPosition(dataPosition)) return defValue
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val indices = (data as ObjectCursor).indices as ParcelableStatusCursorIndices
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return readCursorValueAction(cursor, indices)
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}
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return readStatusValueAction(getStatus(position))
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}
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private fun getStatus(position: Int, countIndex: Int, raw: Boolean = false): ParcelableStatus {
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when (countIndex) {
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ITEM_INDEX_PINNED_STATUS -> {
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return pinnedStatuses!![position - getItemStartPosition(ITEM_INDEX_PINNED_STATUS)]
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}
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ITEM_INDEX_STATUS -> {
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val data = this.data!!
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val dataPosition = position - statusStartIndex
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val positions = displayPositions
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if (positions != null && !raw) {
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return data[positions[dataPosition]]
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} else {
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return data[dataPosition]
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}
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}
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}
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val validStart = getItemStartPosition(ITEM_INDEX_PINNED_STATUS)
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val validEnd = getItemStartPosition(ITEM_INDEX_STATUS) + getStatusCount(raw) - 1
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throw IndexOutOfBoundsException("index: $position, valid range is $validStart..$validEnd")
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}
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private fun updateItemCount() {
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itemCounts[ITEM_INDEX_LOAD_START_INDICATOR] = if (ILoadMoreSupportAdapter.START in loadMoreIndicatorPosition) 1 else 0
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itemCounts[ITEM_INDEX_PINNED_STATUS] = pinnedStatuses?.size ?: 0
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itemCounts[ITEM_INDEX_STATUS] = getStatusCount(false)
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itemCounts[ITEM_INDEX_LOAD_END_INDICATOR] = if (ILoadMoreSupportAdapter.END in loadMoreIndicatorPosition) 1 else 0
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}
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companion object {
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const val VIEW_TYPE_STATUS = 2
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const val VIEW_TYPE_EMPTY = 3
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const val ITEM_INDEX_LOAD_START_INDICATOR = 0
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const val ITEM_INDEX_PINNED_STATUS = 1
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const val ITEM_INDEX_STATUS = 2
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const val ITEM_INDEX_LOAD_END_INDICATOR = 3
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}
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}
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