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feat: buffer the last read when in conversation

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0x330a 2023-02-23 11:33:05 +11:00
parent 055d37db5f
commit 164810e533
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1 changed files with 27 additions and 4 deletions
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31
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
View File

@ -36,9 +36,11 @@ import androidx.annotation.DimenRes
import androidx.appcompat.app.AlertDialog
import androidx.core.view.drawToBitmap
import androidx.core.view.isVisible
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProvider
import androidx.lifecycle.lifecycleScope
import androidx.lifecycle.repeatOnLifecycle
import androidx.loader.app.LoaderManager
import androidx.loader.content.Loader
import androidx.recyclerview.widget.LinearLayoutManager
@ -46,7 +48,13 @@ import androidx.recyclerview.widget.RecyclerView
import com.annimon.stream.Stream
import dagger.hilt.android.AndroidEntryPoint
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.channels.BufferOverflow
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.flow.collectLatest
import kotlinx.coroutines.flow.consumeAsFlow
import kotlinx.coroutines.flow.debounce
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import network.loki.messenger.R
import network.loki.messenger.databinding.ActivityConversationV2Binding
import network.loki.messenger.databinding.ViewVisibleMessageBinding
@ -70,6 +78,7 @@ import org.session.libsession.messaging.sending_receiving.attachments.Attachment
import org.session.libsession.messaging.sending_receiving.link_preview.LinkPreview
import org.session.libsession.messaging.sending_receiving.quotes.QuoteModel
import org.session.libsession.messaging.utilities.SessionId
import org.session.libsession.snode.SnodeAPI
import org.session.libsession.utilities.Address
import org.session.libsession.utilities.Address.Companion.fromSerialized
import org.session.libsession.utilities.GroupUtil
@ -166,6 +175,7 @@ import kotlin.math.abs
import kotlin.math.min
import kotlin.math.roundToInt
import kotlin.math.sqrt
import kotlin.time.Duration.Companion.seconds
// Some things that seemingly belong to the input bar (e.g. the voice message recording UI) are actually
// part of the conversation activity layout. This is just because it makes the layout a lot simpler. The
@ -252,6 +262,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
val searchViewModel: SearchViewModel by viewModels()
var searchViewItem: MenuItem? = null
private val bufferedLastSeenChannel = Channel<Unit>(capacity = Channel.RENDEZVOUS, onBufferOverflow = BufferOverflow.DROP_OLDEST)
private val isScrolledToBottom: Boolean
get() {
val position = layoutManager?.findFirstCompletelyVisibleItemPosition() ?: 0
@ -403,16 +415,25 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
ViewUtil.findStubById(this, R.id.conversation_reaction_scrubber_stub)
reactionDelegate = ConversationReactionDelegate(reactionOverlayStub)
reactionDelegate.setOnReactionSelectedListener(this)
lifecycleScope.launch {
lifecycle.repeatOnLifecycle(Lifecycle.State.RESUMED) {
// only update the conversation every 3 seconds maximum
// channel is rendezvous and shouldn't block on try send calls as often as we want
val bufferedFlow = bufferedLastSeenChannel.consumeAsFlow()
.debounce(3.seconds)
bufferedFlow.collectLatest {
withContext(Dispatchers.IO) {
storage.markConversationAsRead(viewModel.threadId, SnodeAPI.nowWithOffset)
}
}
}
}
}
override fun onResume() {
super.onResume()
ApplicationContext.getInstance(this).messageNotifier.setVisibleThread(viewModel.threadId)
lifecycleScope.launch(Dispatchers.IO) {
storage.markConversationAsRead(viewModel.threadId, System.currentTimeMillis())
}
contentResolver.registerContentObserver(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
true,
@ -454,6 +475,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
if (author != null && messageTimestamp >= 0) {
jumpToMessage(author, messageTimestamp, null)
}
// TODO: buffer this
bufferedLastSeenChannel.trySend(Unit)
}
}