Adding bounce click. Not working yet. #298

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
+                }
+            }
+        }
+}

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 {