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Code Issues Packages Projects Releases Wiki Activity

MangaController: Title fixes (#5879)

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* MangaController: Move toolbar's TextView reference to ElevationAppBarLayout

* MangaController: Update title alpha earlier when exiting
This commit is contained in:
Ivan Iskandar
2021-09-10 08:05:41 +07:00
committed by GitHub
parent b00e8768dc
commit b45c322729
2 changed files with 51 additions and 11 deletions
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45
app/src/main/java/eu/kanade/tachiyomi/widget/ElevationAppBarLayout.kt
View File

@@ -3,10 +3,19 @@ package eu.kanade.tachiyomi.widget
import android.animation.ValueAnimator
import android.content.Context
import android.util.AttributeSet
import android.widget.TextView
import androidx.annotation.FloatRange
import androidx.lifecycle.coroutineScope
import androidx.lifecycle.findViewTreeLifecycleOwner
import com.google.android.material.animation.AnimationUtils
import com.google.android.material.appbar.AppBarLayout
import com.google.android.material.appbar.MaterialToolbar
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.util.view.findChild
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import reactivecircus.flowbinding.android.view.HierarchyChangeEvent
import reactivecircus.flowbinding.android.view.hierarchyChangeEvents
class ElevationAppBarLayout @JvmOverloads constructor(
context: Context,
@@ -18,6 +27,19 @@ class ElevationAppBarLayout @JvmOverloads constructor(
private val toolbar by lazy { findViewById<MaterialToolbar>(R.id.toolbar) }
@FloatRange(from = 0.0, to = 1.0)
var titleTextAlpha = 1F
set(value) {
field = value
titleTextView?.alpha = field
}
private var titleTextView: TextView? = null
set(value) {
field = value
field?.alpha = titleTextAlpha
}
private var elevationAnimator: ValueAnimator? = null
private var backgroundAlphaAnimator: ValueAnimator? = null
@@ -63,6 +85,29 @@ class ElevationAppBarLayout @JvmOverloads constructor(
}
}
override fun onAttachedToWindow() {
super.onAttachedToWindow()
titleTextView = toolbar.findChild<TextView>()
findViewTreeLifecycleOwner()?.lifecycle?.coroutineScope?.let { scope ->
toolbar.hierarchyChangeEvents()
.onEach {
when (it) {
is HierarchyChangeEvent.ChildAdded -> {
if (it.child is TextView) {
titleTextView = it.child as TextView
}
}
is HierarchyChangeEvent.ChildRemoved -> {
if (it.child == titleTextView) {
titleTextView = null
}
}
}
}
.launchIn(scope)
}
}
private fun updateBackgroundAlpha() {
val newTransparent = if (lifted) false else isTransparentWhenNotLifted
if (transparent != newTransparent) {