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Code Issues Packages Projects Releases 1 Wiki Activity

Reduce usage of ObservableField

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This commit is contained in:
topjohnwu
2020-07-15 02:52:15 -07:00
parent 6c6368fd81
commit ec2d7d77eb
11 changed files with 130 additions and 148 deletions
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app/src/main/java/com/topjohnwu/magisk/ktx/DataBinding.kt
-65
View File
@@ -1,65 +0,0 @@
package com.topjohnwu.magisk.ktx
import androidx.databinding.Observable
import androidx.databinding.ObservableBoolean
import androidx.databinding.ObservableField
import androidx.databinding.ObservableInt
fun <T> ObservableField<T>.addOnPropertyChangedCallback(
removeAfterChanged: Boolean = false,
callback: (T?) -> Unit
) {
addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
callback(get())
if (removeAfterChanged) removeOnPropertyChangedCallback(this)
}
})
}
fun ObservableInt.addOnPropertyChangedCallback(
removeAfterChanged: Boolean = false,
callback: (Int) -> Unit
) {
addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
callback(get())
if (removeAfterChanged) removeOnPropertyChangedCallback(this)
}
})
}
fun ObservableBoolean.addOnPropertyChangedCallback(
removeAfterChanged: Boolean = false,
callback: (Boolean) -> Unit
) {
addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
callback(get())
if (removeAfterChanged) removeOnPropertyChangedCallback(this)
}
})
}
inline fun <T> ObservableField<T>.update(block: (T?) -> Unit) {
set(get().apply(block))
}
inline fun <T> ObservableField<T>.updateNonNull(block: (T) -> Unit) {
update {
it ?: return@update
block(it)
}
}
inline fun ObservableInt.update(block: (Int) -> Unit) {
set(get().apply(block))
}
inline var <T> ObservableField<T>.value
get() = get() as T
set(value) {
// Use Kotlin comparision (Any.equals)
if (value != get())
set(value)
}
app/src/main/java/com/topjohnwu/magisk/ktx/XBinding.kt
-6
View File
@@ -1,13 +1,7 @@
package com.topjohnwu.magisk.ktx
import androidx.databinding.ObservableField
import androidx.databinding.ObservableList
fun ObservableField<Boolean>.toggle() {
value = !value
}
fun <T> ObservableList<T>.addOnListChangedCallback(
onChanged: ((sender: ObservableList<T>) -> Unit)? = null,
onItemRangeRemoved: ((sender: ObservableList<T>, positionStart: Int, itemCount: Int) -> Unit)? = null,