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safeOffer instead of offer #8

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Merged
merged 1 commit into from
Dec 30, 2020
Merged

safeOffer instead of offer #8

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19 changes: 12 additions & 7 deletions core/src/main/java/com/hoc/flowmvi/core/FlowBinding+Exts+Utils.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,11 @@ import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.ItemTouchHelper
import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import kotlin.coroutines.EmptyCoroutineContext
import kotlinx.coroutines.CancellationException
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.cancel
import kotlinx.coroutines.channels.SendChannel
import kotlinx.coroutines.channels.awaitClose
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.delay
Expand All @@ -37,6 +35,13 @@ import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.flow.onStart
import kotlinx.coroutines.flow.take
import kotlinx.coroutines.launch
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import kotlin.coroutines.EmptyCoroutineContext

internal fun <T> SendChannel<T>.safeOffer(element: T): Boolean {
return runCatching { offer(element) }.getOrDefault(false)
}

@ExperimentalCoroutinesApi
fun EditText.firstChange(): Flow<Unit> {
Expand All @@ -45,7 +50,7 @@ fun EditText.firstChange(): Flow<Unit> {
override fun afterTextChanged(s: Editable?) = Unit
override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
offer(Unit)
safeOffer(Unit)
}
}.also { addTextChangedListener(it) }

Expand All @@ -62,7 +67,7 @@ fun EditText.firstChange(): Flow<Unit> {
@CheckResult
fun SwipeRefreshLayout.refreshes(): Flow<Unit> {
return callbackFlow {
setOnRefreshListener { offer(Unit) }
setOnRefreshListener { safeOffer(Unit) }
awaitClose { setOnRefreshListener(null) }
}
}
Expand All @@ -71,7 +76,7 @@ fun SwipeRefreshLayout.refreshes(): Flow<Unit> {
@CheckResult
fun View.clicks(): Flow<View> {
return callbackFlow {
setOnClickListener { offer(it) }
setOnClickListener { safeOffer(it) }
awaitClose { setOnClickListener(null) }
}
}
Expand All @@ -84,7 +89,7 @@ fun EditText.textChanges(): Flow<CharSequence?> {
override fun afterTextChanged(s: Editable?) = Unit
override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
offer(s)
safeOffer(s)
}
}
addTextChangedListener(listener)
Expand Down