Cleaned up extensions and utilities in redesign

2025-09-06 06:36:58 +00:00 · 2019-12-06 16:28:41 +01:00
parent 8a03c366b8
commit c79b79b37e
13 changed files with 148 additions and 150 deletions
@@ -0,0 +1,82 @@
+package com.topjohnwu.magisk.utils
+
+import android.animation.Animator
+import android.animation.AnimatorSet
+import android.animation.ObjectAnimator
+import android.view.View
+import androidx.core.animation.addListener
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
+import androidx.core.view.marginBottom
+import androidx.core.view.marginEnd
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator
+import com.google.android.material.circularreveal.CircularRevealCompat
+import com.google.android.material.circularreveal.CircularRevealWidget
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import kotlin.math.hypot
+
+object MotionRevealHelper {
+
+    fun <CV> withViews(
+        revealable: CV,
+        fab: FloatingActionButton,
+        expanded: Boolean
+    ) where CV : CircularRevealWidget, CV : View {
+        revealable.revealInfo = revealable.createRevealInfo(!expanded)
+
+        val revealInfo = revealable.createRevealInfo(expanded)
+        val revealAnim = revealable.createRevealAnim(revealInfo)
+        val moveAnim = fab.createMoveAnim(revealInfo)
+
+        AnimatorSet().also {
+            if (expanded) {
+                it.play(revealAnim).after(moveAnim)
+            } else {
+                it.play(moveAnim).after(revealAnim)
+            }
+        }.start()
+    }
+
+    private fun <CV> CV.createRevealAnim(
+        revealInfo: CircularRevealWidget.RevealInfo
+    ): Animator where CV : CircularRevealWidget, CV : View =
+        CircularRevealCompat.createCircularReveal(
+            this,
+            revealInfo.centerX,
+            revealInfo.centerY,
+            revealInfo.radius
+        ).apply {
+            addListener(onStart = {
+                isVisible = true
+            }, onEnd = {
+                if (revealInfo.radius == 0f) {
+                    isInvisible = true
+                }
+            })
+        }
+
+    private fun FloatingActionButton.createMoveAnim(
+        revealInfo: CircularRevealWidget.RevealInfo
+    ): Animator = AnimatorSet().also {
+        it.interpolator = FastOutSlowInInterpolator()
+        it.addListener(onStart = { show() }, onEnd = { if (revealInfo.radius != 0f) hide() })
+
+        // fixme rtl
+        val maxX = revealInfo.centerX - marginEnd - measuredWidth / 2f
+        val targetX = if (revealInfo.radius == 0f) 0f else -maxX
+        val moveX = ObjectAnimator.ofFloat(this, View.TRANSLATION_X, targetX)
+
+        val maxY = revealInfo.centerY - marginBottom - measuredHeight / 2f
+        val targetY = if (revealInfo.radius == 0f) 0f else -maxY
+        val moveY = ObjectAnimator.ofFloat(this, View.TRANSLATION_Y, targetY)
+
+        it.playTogether(moveX, moveY)
+    }
+
+    private fun View.createRevealInfo(expanded: Boolean): CircularRevealWidget.RevealInfo {
+        val cX = measuredWidth / 2f
+        val cY = measuredHeight / 2f - paddingBottom
+        return CircularRevealWidget.RevealInfo(cX, cY, if (expanded) hypot(cX, cY) else 0f)
+    }
+
+}