From b2cc4668ac2b6af5024c5063e00a86554654e895 Mon Sep 17 00:00:00 2001
From: Dessalines <tyhou13@gmx.com>
Date: Sat, 4 Feb 2023 17:42:52 -0500
Subject: [PATCH] Adding bounce click. Not working yet. #298

---
 .../ui/components/common/AnimationHelpers.kt  | 50 +++++++++++++++++++
 .../jerboa/ui/components/common/AppBars.kt    |  2 +-
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/java/com/jerboa/ui/components/common/AnimationHelpers.kt

diff --git a/app/src/main/java/com/jerboa/ui/components/common/AnimationHelpers.kt b/app/src/main/java/com/jerboa/ui/components/common/AnimationHelpers.kt
new file mode 100644
index 000000000..8a2903e4e
--- /dev/null
+++ b/app/src/main/java/com/jerboa/ui/components/common/AnimationHelpers.kt
@@ -0,0 +1,50 @@
+package com.jerboa.ui.components.common
+
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.gestures.awaitFirstDown
+import androidx.compose.foundation.gestures.waitForUpOrCancellation
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.composed
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.input.pointer.pointerInput
+
+enum class ButtonState { Pressed, Idle }
+
+fun Modifier.bounceClick() = composed {
+    var buttonState
+        by remember { mutableStateOf(ButtonState.Idle) }
+    val scale by animateFloatAsState(
+        if (buttonState
+            == ButtonState.Pressed
+        ) {
+            0.70f
+        } else {
+            1f
+        }
+    )
+    this.graphicsLayer {
+        scaleX = scale
+        scaleY = scale
+    }
+        .clickable(
+            interactionSource = remember { MutableInteractionSource() },
+            indication = null,
+            onClick = { }
+        ).pointerInput(buttonState) {
+            awaitPointerEventScope {
+                buttonState = if (buttonState == ButtonState.Pressed) {
+                    waitForUpOrCancellation()
+                    ButtonState.Idle
+                } else {
+                    awaitFirstDown(false)
+                    ButtonState.Pressed
+                }
+            }
+        }
+}
diff --git a/app/src/main/java/com/jerboa/ui/components/common/AppBars.kt b/app/src/main/java/com/jerboa/ui/components/common/AppBars.kt
index 308cf49e6..02788d830 100644
--- a/app/src/main/java/com/jerboa/ui/components/common/AppBars.kt
+++ b/app/src/main/java/com/jerboa/ui/components/common/AppBars.kt
@@ -288,7 +288,7 @@ fun ActionBarButton(
     val barMod = if (noClick) {
         Modifier
     } else {
-        Modifier.clickable(onClick = {
+        Modifier.bounceClick().clickable(onClick = {
             if (account !== null) {
                 onClick()
             } else {