1 files changed, 86 insertions, 0 deletions
diff --git a/src/com/android/customization/picker/clock/ui/view/ClockCarouselView.kt b/src/com/android/customization/picker/clock/ui/view/ClockCarouselView.kt
new file mode 100644
index 00000000..90d7c42d
--- /dev/null
+++ b/src/com/android/customization/picker/clock/ui/view/ClockCarouselView.kt
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.customization.picker.clock.ui.view
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import androidx.constraintlayout.helper.widget.Carousel
+import androidx.core.view.get
+import com.android.wallpaper.R
+
+class ClockCarouselView(
+    context: Context,
+    attrs: AttributeSet,
+) :
+    FrameLayout(
+        context,
+        attrs,
+    ) {
+
+    private val carousel: Carousel
+    private lateinit var adapter: ClockCarouselAdapter
+
+    init {
+        val view = LayoutInflater.from(context).inflate(R.layout.clock_carousel, this)
+        carousel = view.requireViewById(R.id.carousel)
+    }
+
+    fun setUpClockCarouselView(
+        clockIds: List<String>,
+        onGetClockPreview: (clockId: String) -> View,
+        onClockSelected: (clockId: String) -> Unit,
+    ) {
+        adapter = ClockCarouselAdapter(clockIds, onGetClockPreview, onClockSelected)
+        carousel.setAdapter(adapter)
+        carousel.refresh()
+    }
+
+    fun setSelectedClockIndex(
+        index: Int,
+    ) {
+        carousel.jumpToIndex(index)
+    }
+
+    class ClockCarouselAdapter(
+        val clockIds: List<String>,
+        val onGetClockPreview: (clockId: String) -> View,
+        val onClockSelected: (clockId: String) -> Unit,
+    ) : Carousel.Adapter {
+
+        override fun count(): Int {
+            return clockIds.size
+        }
+
+        override fun populate(view: View?, index: Int) {
+            val viewRoot = view as ViewGroup
+            val clockHostView = viewRoot[0] as ViewGroup
+            clockHostView.removeAllViews()
+            val clockView = onGetClockPreview(clockIds[index])
+            // The clock view might still be attached to an existing parent. Detach before adding to
+            // another parent.
+            (clockView.parent as? ViewGroup)?.removeView(clockView)
+            clockHostView.addView(clockView)
+        }
+
+        override fun onNewItem(index: Int) {
+            onClockSelected.invoke(clockIds[index])
+        }
+    }
+}