Sticker management v2 - Implement multi-select.

app/src/main/java/org/thoughtcrime/securesms/components/menu/SignalBottomActionBar.kt

@@ -10,6 +10,21 @@ import android.view.animation.AnimationUtils
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.FastOutSlowInEasing
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.slideInVertically
+import androidx.compose.animation.slideOutVertically
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.wrapContentHeight
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
 import androidx.interpolator.view.animation.FastOutSlowInInterpolator
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.util.ViewUtil
@@ -20,7 +35,7 @@ import org.thoughtcrime.securesms.util.ViewUtil
  *
  * Overflow items are rendered in a [SignalContextMenu].
  */
-class SignalBottomActionBar(context: Context, attributeSet: AttributeSet) : LinearLayout(context, attributeSet) {
+class SignalBottomActionBar(context: Context, attributeSet: AttributeSet?) : LinearLayout(context, attributeSet) {
 
   val items: MutableList<ActionItem> = mutableListOf()
 
@@ -118,3 +133,46 @@ class SignalBottomActionBar(context: Context, attributeSet: AttributeSet) : Line
     view.setOnClickListener { item.action.run() }
   }
 }
+
+@Composable
+fun SignalBottomActionBar(
+  visible: Boolean = true,
+  items: List<ActionItem>,
+  modifier: Modifier = Modifier
+) {
+  val slideAnimationOffset = with(LocalDensity.current) { 40.dp.roundToPx() }
+
+  val enterAnimation = slideInVertically(
+    animationSpec = tween(durationMillis = 250, easing = FastOutSlowInEasing),
+    initialOffsetY = { slideAnimationOffset }
+  ) + fadeIn(
+    animationSpec = tween(durationMillis = 250, easing = FastOutSlowInEasing)
+  )
+
+  val exitAnimation = slideOutVertically(
+    animationSpec = tween(durationMillis = 250, easing = FastOutSlowInEasing),
+    targetOffsetY = { slideAnimationOffset }
+  ) + fadeOut(
+    animationSpec = tween(durationMillis = 250, easing = FastOutSlowInEasing)
+  )
+
+  AnimatedVisibility(
+    visible = visible,
+    enter = enterAnimation,
+    exit = exitAnimation,
+    modifier = modifier
+      .fillMaxWidth()
+      .padding(horizontal = 20.dp, vertical = 16.dp)
+      .wrapContentHeight()
+  ) {
+    AndroidView(
+      factory = { context ->
+        SignalBottomActionBar(context, null)
+          .apply { setItems(items) }
+      },
+      update = { view ->
+        view.setItems(items)
+      }
+    )
+  }
+}