566 lines
22 KiB
Kotlin
566 lines
22 KiB
Kotlin
/* Copyright 2021 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.timeline
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import android.os.Bundle
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import android.util.Log
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.view.accessibility.AccessibilityManager
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import androidx.core.content.ContextCompat
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.lifecycleScope
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import androidx.paging.LoadState
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import androidx.preference.PreferenceManager
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import androidx.recyclerview.widget.DividerItemDecoration
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import androidx.recyclerview.widget.SimpleItemAnimator
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener
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import at.connyduck.sparkbutton.helpers.Utils
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import autodispose2.androidx.lifecycle.autoDispose
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import com.keylesspalace.tusky.AccountListActivity
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import com.keylesspalace.tusky.AccountListActivity.Companion.newIntent
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import com.keylesspalace.tusky.BaseActivity
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import com.keylesspalace.tusky.R
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import com.keylesspalace.tusky.adapter.StatusBaseViewHolder
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import com.keylesspalace.tusky.appstore.EventHub
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import com.keylesspalace.tusky.appstore.PreferenceChangedEvent
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import com.keylesspalace.tusky.appstore.QuickReplyEvent
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import com.keylesspalace.tusky.appstore.StatusComposedEvent
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import com.keylesspalace.tusky.components.instanceinfo.InstanceInfoRepository.Companion.CAN_USE_QUOTE_ID
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import com.keylesspalace.tusky.components.timeline.viewmodel.CachedTimelineViewModel
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import com.keylesspalace.tusky.components.timeline.viewmodel.NetworkTimelineViewModel
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import com.keylesspalace.tusky.components.timeline.viewmodel.TimelineViewModel
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import com.keylesspalace.tusky.databinding.FragmentTimelineBinding
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import com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.di.Injectable
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import com.keylesspalace.tusky.di.ViewModelFactory
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import com.keylesspalace.tusky.entity.Status
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import com.keylesspalace.tusky.fragment.SFragment
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import com.keylesspalace.tusky.interfaces.ActionButtonActivity
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import com.keylesspalace.tusky.interfaces.RefreshableFragment
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import com.keylesspalace.tusky.interfaces.ReselectableFragment
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import com.keylesspalace.tusky.interfaces.ResettableFragment
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import com.keylesspalace.tusky.interfaces.StatusActionListener
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import com.keylesspalace.tusky.settings.PrefKeys
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import com.keylesspalace.tusky.util.CardViewMode
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import com.keylesspalace.tusky.util.ListStatusAccessibilityDelegate
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import com.keylesspalace.tusky.util.StatusDisplayOptions
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import com.keylesspalace.tusky.util.hide
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import com.keylesspalace.tusky.util.show
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import com.keylesspalace.tusky.util.viewBinding
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import com.keylesspalace.tusky.viewdata.AttachmentViewData
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import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
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import io.reactivex.rxjava3.core.Observable
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import kotlinx.coroutines.flow.collectLatest
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import kotlinx.coroutines.launch
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import java.io.IOException
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import java.util.concurrent.TimeUnit
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import javax.inject.Inject
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class TimelineFragment :
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SFragment(),
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OnRefreshListener,
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StatusActionListener,
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Injectable,
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ReselectableFragment,
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ResettableFragment,
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RefreshableFragment {
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@Inject
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lateinit var viewModelFactory: ViewModelFactory
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@Inject
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lateinit var eventHub: EventHub
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@Inject
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lateinit var accountManager: AccountManager
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private val viewModel: TimelineViewModel by lazy {
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if (kind == TimelineViewModel.Kind.HOME) {
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ViewModelProvider(this, viewModelFactory)[CachedTimelineViewModel::class.java]
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} else {
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ViewModelProvider(this, viewModelFactory)[NetworkTimelineViewModel::class.java]
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}
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}
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private val binding by viewBinding(FragmentTimelineBinding::bind)
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private lateinit var kind: TimelineViewModel.Kind
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private lateinit var adapter: TimelinePagingAdapter
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private var isSwipeToRefreshEnabled = true
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private var hideFab = false
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val arguments = requireArguments()
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kind = TimelineViewModel.Kind.valueOf(arguments.getString(KIND_ARG)!!)
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val id: String? = if (kind == TimelineViewModel.Kind.USER ||
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kind == TimelineViewModel.Kind.USER_PINNED ||
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kind == TimelineViewModel.Kind.USER_WITH_REPLIES ||
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kind == TimelineViewModel.Kind.LIST
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) {
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arguments.getString(ID_ARG)!!
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} else {
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null
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}
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val tags = if (kind == TimelineViewModel.Kind.TAG) {
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arguments.getStringArrayList(HASHTAGS_ARG)!!
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} else {
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listOf()
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}
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val isStreamingEnabled = arguments.getBoolean(ARG_ENABLE_STREAMING)
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viewModel.init(
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kind,
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id,
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tags,
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isStreamingEnabled
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)
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isSwipeToRefreshEnabled = arguments.getBoolean(ARG_ENABLE_SWIPE_TO_REFRESH, true)
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val preferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
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val statusDisplayOptions = StatusDisplayOptions(
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animateAvatars = preferences.getBoolean(PrefKeys.ANIMATE_GIF_AVATARS, false),
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mediaPreviewEnabled = accountManager.activeAccount!!.mediaPreviewEnabled,
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useAbsoluteTime = preferences.getBoolean(PrefKeys.ABSOLUTE_TIME_VIEW, false),
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showBotOverlay = preferences.getBoolean(PrefKeys.SHOW_BOT_OVERLAY, true),
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useBlurhash = preferences.getBoolean(PrefKeys.USE_BLURHASH, true),
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cardViewMode = if (preferences.getBoolean(
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PrefKeys.SHOW_CARDS_IN_TIMELINES,
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false
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)
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) CardViewMode.INDENTED else CardViewMode.NONE,
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confirmReblogs = preferences.getBoolean(PrefKeys.CONFIRM_REBLOGS, true),
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confirmFavourites = preferences.getBoolean(PrefKeys.CONFIRM_FAVOURITES, false),
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hideStats = preferences.getBoolean(PrefKeys.WELLBEING_HIDE_STATS_POSTS, false),
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animateEmojis = preferences.getBoolean(PrefKeys.ANIMATE_CUSTOM_EMOJIS, false),
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quoteEnabled = CAN_USE_QUOTE_ID.contains(accountManager.activeAccount?.domain),
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)
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adapter = TimelinePagingAdapter(
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statusDisplayOptions,
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this
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)
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}
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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return inflater.inflate(R.layout.fragment_timeline, container, false)
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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setupSwipeRefreshLayout()
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setupRecyclerView()
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adapter.addLoadStateListener { loadState ->
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if (loadState.refresh != LoadState.Loading && loadState.source.refresh != LoadState.Loading) {
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binding.swipeRefreshLayout.isRefreshing = false
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}
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binding.statusView.hide()
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binding.progressBar.hide()
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if (adapter.itemCount == 0) {
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when (loadState.refresh) {
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is LoadState.NotLoading -> {
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if (loadState.append is LoadState.NotLoading && loadState.source.refresh is LoadState.NotLoading) {
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binding.statusView.show()
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binding.statusView.setup(R.drawable.elephant_friend_empty, R.string.message_empty, null)
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}
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}
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is LoadState.Error -> {
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binding.statusView.show()
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if ((loadState.refresh as LoadState.Error).error is IOException) {
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binding.statusView.setup(R.drawable.elephant_offline, R.string.error_network, null)
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} else {
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binding.statusView.setup(R.drawable.elephant_error, R.string.error_generic, null)
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}
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}
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is LoadState.Loading -> {
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binding.progressBar.show()
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}
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}
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}
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}
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adapter.registerAdapterDataObserver(object : RecyclerView.AdapterDataObserver() {
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override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
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if (binding.recyclerView.canScrollVertically(-1) || positionStart != 0) {
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return
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}
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if (itemCount == 1) {
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binding.recyclerView.scrollToPosition(0)
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return
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}
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if (adapter.itemCount != itemCount) {
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binding.recyclerView.post {
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if (getView() != null) {
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if (isSwipeToRefreshEnabled) {
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binding.recyclerView.scrollBy(0, Utils.dpToPx(requireContext(), -30))
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} else binding.recyclerView.scrollToPosition(0)
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}
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}
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}
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}
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})
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viewLifecycleOwner.lifecycleScope.launch {
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viewModel.statuses.collectLatest { pagingData ->
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adapter.submitData(pagingData)
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}
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}
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if (actionButtonPresent()) {
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val preferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
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hideFab = preferences.getBoolean("fabHide", false)
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binding.recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
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override fun onScrolled(view: RecyclerView, dx: Int, dy: Int) {
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val composeButton = (activity as ActionButtonActivity).actionButton
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if (composeButton != null) {
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if (hideFab) {
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if (dy > 0 && composeButton.isShown) {
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composeButton.hide() // hides the button if we're scrolling down
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} else if (dy < 0 && !composeButton.isShown) {
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composeButton.show() // shows it if we are scrolling up
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}
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} else if (!composeButton.isShown) {
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composeButton.show()
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}
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}
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}
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})
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}
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eventHub.events
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.observeOn(AndroidSchedulers.mainThread())
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.autoDispose(this, Lifecycle.Event.ON_DESTROY)
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.subscribe { event ->
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when (event) {
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is PreferenceChangedEvent -> {
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onPreferenceChanged(event.preferenceKey)
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}
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is StatusComposedEvent -> {
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val status = event.status
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handleStatusComposeEvent(status)
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}
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}
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}
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}
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private fun setupSwipeRefreshLayout() {
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binding.swipeRefreshLayout.isEnabled = isSwipeToRefreshEnabled
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binding.swipeRefreshLayout.setOnRefreshListener(this)
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binding.swipeRefreshLayout.setColorSchemeResources(R.color.tusky_blue)
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}
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private fun setupRecyclerView() {
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binding.recyclerView.setAccessibilityDelegateCompat(
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ListStatusAccessibilityDelegate(binding.recyclerView, this) { pos ->
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if (pos in 0 until adapter.itemCount) {
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adapter.peek(pos)
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} else {
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null
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}
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}
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)
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binding.recyclerView.setHasFixedSize(true)
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binding.recyclerView.layoutManager = LinearLayoutManager(context)
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val divider = DividerItemDecoration(context, RecyclerView.VERTICAL)
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binding.recyclerView.addItemDecoration(divider)
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// CWs are expanded without animation, buttons animate itself, we don't need it basically
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(binding.recyclerView.itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
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binding.recyclerView.adapter = adapter
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}
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override fun onStart() {
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super.onStart()
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viewModel.isFirstOfStreaming = true
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}
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fun toggleStreaming(): Boolean =
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(!viewModel.isStreamingEnabled).also {
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viewModel.isStreamingEnabled = it
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}
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override fun onRefresh() {
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binding.statusView.hide()
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adapter.refresh()
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}
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override fun onReply(position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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if (viewModel.shouldReplyInQuick) {
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eventHub.dispatch(QuickReplyEvent(status.status))
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} else {
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super.reply(status.status)
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}
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}
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override fun onReblog(reblog: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.reblog(reblog, status)
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}
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override fun onFavourite(favourite: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.favorite(favourite, status)
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}
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override fun onQuote(position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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super.quote(status.status)
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}
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override fun onBookmark(bookmark: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.bookmark(bookmark, status)
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}
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override fun onVoteInPoll(position: Int, choices: List<Int>) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.voteInPoll(choices, status)
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}
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override fun onMore(view: View, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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super.more(status.status, view, position)
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}
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override fun onOpenReblog(position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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super.openReblog(status.status)
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}
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override fun onExpandedChange(expanded: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.changeExpanded(expanded, status)
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}
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override fun onContentHiddenChange(isShowing: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.changeContentShowing(isShowing, status)
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}
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override fun onShowReblogs(position: Int) {
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val statusId = adapter.peek(position)?.asStatusOrNull()?.id ?: return
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val intent = newIntent(requireContext(), AccountListActivity.Type.REBLOGGED, statusId)
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(activity as BaseActivity).startActivityWithSlideInAnimation(intent)
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}
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override fun onShowFavs(position: Int) {
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val statusId = adapter.peek(position)?.asStatusOrNull()?.id ?: return
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val intent = newIntent(requireContext(), AccountListActivity.Type.FAVOURITED, statusId)
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(activity as BaseActivity).startActivityWithSlideInAnimation(intent)
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}
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override fun onLoadMore(position: Int) {
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val placeholder = adapter.peek(position)?.asPlaceholderOrNull() ?: return
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viewModel.loadMore(placeholder.id)
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}
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override fun onContentCollapsedChange(isCollapsed: Boolean, position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.changeContentCollapsed(isCollapsed, status)
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}
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override fun onViewMedia(position: Int, attachmentIndex: Int, view: View?) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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super.viewMedia(
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attachmentIndex,
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AttachmentViewData.list(status.actionable),
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view
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)
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}
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override fun onViewThread(position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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super.viewThread(status.actionable.id, status.actionable.url)
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}
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override fun onViewTag(tag: String) {
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if (viewModel.kind == TimelineViewModel.Kind.TAG && viewModel.tags.size == 1 &&
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viewModel.tags.contains(tag)
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) {
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// If already viewing a tag page, then ignore any request to view that tag again.
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return
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}
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super.viewTag(tag)
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}
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override fun onViewAccount(id: String) {
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if ((
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viewModel.kind == TimelineViewModel.Kind.USER ||
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viewModel.kind == TimelineViewModel.Kind.USER_WITH_REPLIES
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) &&
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viewModel.id == id
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) {
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/* If already viewing an account page, then any requests to view that account page
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* should be ignored. */
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return
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}
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super.viewAccount(id)
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}
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private fun onPreferenceChanged(key: String) {
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val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
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when (key) {
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PrefKeys.FAB_HIDE -> {
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hideFab = sharedPreferences.getBoolean(PrefKeys.FAB_HIDE, false)
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}
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PrefKeys.MEDIA_PREVIEW_ENABLED -> {
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val enabled = accountManager.activeAccount!!.mediaPreviewEnabled
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val oldMediaPreviewEnabled = adapter.mediaPreviewEnabled
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if (enabled != oldMediaPreviewEnabled) {
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adapter.mediaPreviewEnabled = enabled
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adapter.notifyItemRangeChanged(0, adapter.itemCount)
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}
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}
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}
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}
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private fun handleStatusComposeEvent(status: Status) {
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when (kind) {
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TimelineViewModel.Kind.HOME,
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TimelineViewModel.Kind.PUBLIC_FEDERATED,
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TimelineViewModel.Kind.PUBLIC_LOCAL -> adapter.refresh()
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TimelineViewModel.Kind.USER,
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TimelineViewModel.Kind.USER_WITH_REPLIES -> if (status.account.id == viewModel.id) {
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adapter.refresh()
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}
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TimelineViewModel.Kind.TAG,
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TimelineViewModel.Kind.FAVOURITES,
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TimelineViewModel.Kind.LIST,
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TimelineViewModel.Kind.BOOKMARKS,
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TimelineViewModel.Kind.USER_PINNED -> return
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}
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}
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public override fun removeItem(position: Int) {
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val status = adapter.peek(position)?.asStatusOrNull() ?: return
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viewModel.removeStatusWithId(status.id)
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}
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private fun actionButtonPresent(): Boolean {
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return viewModel.kind != TimelineViewModel.Kind.TAG &&
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viewModel.kind != TimelineViewModel.Kind.FAVOURITES &&
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viewModel.kind != TimelineViewModel.Kind.BOOKMARKS &&
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activity is ActionButtonActivity
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}
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private var talkBackWasEnabled = false
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override fun onResume() {
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super.onResume()
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val a11yManager =
|
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ContextCompat.getSystemService(requireContext(), AccessibilityManager::class.java)
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val wasEnabled = talkBackWasEnabled
|
|
talkBackWasEnabled = a11yManager?.isEnabled == true
|
|
Log.d(TAG, "talkback was enabled: $wasEnabled, now $talkBackWasEnabled")
|
|
if (talkBackWasEnabled && !wasEnabled) {
|
|
adapter.notifyItemRangeChanged(0, adapter.itemCount)
|
|
}
|
|
startUpdateTimestamp()
|
|
}
|
|
|
|
/**
|
|
* Start to update adapter every minute to refresh timestamp
|
|
* If setting absoluteTimeView is false
|
|
* Auto dispose observable on pause
|
|
*/
|
|
private fun startUpdateTimestamp() {
|
|
val preferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
|
|
val useAbsoluteTime = preferences.getBoolean(PrefKeys.ABSOLUTE_TIME_VIEW, false)
|
|
if (!useAbsoluteTime) {
|
|
Observable.interval(0, 1, TimeUnit.MINUTES)
|
|
.observeOn(AndroidSchedulers.mainThread())
|
|
.autoDispose(this, Lifecycle.Event.ON_PAUSE)
|
|
.subscribe {
|
|
adapter.notifyItemRangeChanged(0, adapter.itemCount, listOf(StatusBaseViewHolder.Key.KEY_CREATED))
|
|
}
|
|
}
|
|
}
|
|
|
|
override fun onReselect() {
|
|
if (isAdded) {
|
|
binding.recyclerView.layoutManager?.scrollToPosition(0)
|
|
binding.recyclerView.stopScroll()
|
|
}
|
|
}
|
|
|
|
override fun onReset() {
|
|
viewModel.fullReload()
|
|
}
|
|
|
|
override fun refreshContent() {
|
|
onRefresh()
|
|
}
|
|
|
|
companion object {
|
|
private const val TAG = "TimelineF" // logging tag
|
|
private const val KIND_ARG = "kind"
|
|
private const val ID_ARG = "id"
|
|
private const val HASHTAGS_ARG = "hashtags"
|
|
private const val ARG_ENABLE_SWIPE_TO_REFRESH = "enableSwipeToRefresh"
|
|
private const val ARG_ENABLE_STREAMING = "enableStreaming"
|
|
|
|
fun newInstance(
|
|
kind: TimelineViewModel.Kind,
|
|
hashtagOrId: String? = null,
|
|
enableSwipeToRefresh: Boolean = true,
|
|
enableStreaming: Boolean = false
|
|
): TimelineFragment {
|
|
val fragment = TimelineFragment()
|
|
val arguments = Bundle(3)
|
|
arguments.putString(KIND_ARG, kind.name)
|
|
arguments.putString(ID_ARG, hashtagOrId)
|
|
arguments.putBoolean(ARG_ENABLE_SWIPE_TO_REFRESH, enableSwipeToRefresh)
|
|
arguments.putBoolean(ARG_ENABLE_STREAMING, enableStreaming)
|
|
fragment.arguments = arguments
|
|
return fragment
|
|
}
|
|
|
|
@JvmStatic
|
|
fun newHashtagInstance(hashtags: List<String>): TimelineFragment {
|
|
val fragment = TimelineFragment()
|
|
val arguments = Bundle(3)
|
|
arguments.putString(KIND_ARG, TimelineViewModel.Kind.TAG.name)
|
|
arguments.putStringArrayList(HASHTAGS_ARG, ArrayList(hashtags))
|
|
arguments.putBoolean(ARG_ENABLE_SWIPE_TO_REFRESH, true)
|
|
fragment.arguments = arguments
|
|
return fragment
|
|
}
|
|
}
|
|
}
|