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feat(banner): 배너 preview 회귀 테스트를 추가한다

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Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
This commit is contained in:
klaus
2026-05-28 11:51:14 +09:00
parent db72c4bf7d
commit 462d9c90b5
3 changed files with 112 additions and 2 deletions
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26
app/src/main/java/kr/co/vividnext/sodalive/v2/widget/banner/BannerAdapter.kt
View File

@@ -16,6 +16,7 @@ class BannerAdapter(
private val items = mutableListOf<BannerItem>()
private var itemSizePx: Int = ViewGroup.LayoutParams.MATCH_PARENT
private var previewImageResId: Int = 0
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BannerViewHolder {
val view = LayoutInflater.from(parent.context).inflate(R.layout.item_banner, parent, false)
@@ -32,14 +33,24 @@ class BannerAdapter(
}
fun submitItems(items: List<BannerItem>) {
val previousItemCount = itemCount
this.items.clear()
this.items.addAll(items)
notifyDataSetChanged()
val newItemCount = itemCount
when {
previousItemCount == 0 && newItemCount > 0 -> notifyItemRangeInserted(0, newItemCount)
previousItemCount > 0 && newItemCount == 0 -> notifyItemRangeRemoved(0, previousItemCount)
previousItemCount == newItemCount -> notifyItemRangeChanged(0, newItemCount)
else -> {
notifyItemRangeRemoved(0, previousItemCount)
notifyItemRangeInserted(0, newItemCount)
}
}
}
fun setItemSizePx(itemSizePx: Int) {
this.itemSizePx = itemSizePx
notifyDataSetChanged()
notifyItemsChanged()
}
fun setOnClickItem(listener: ((BannerItem) -> Unit)?) {
@@ -50,6 +61,11 @@ class BannerAdapter(
onBindImage = listener
}
fun setPreviewImageResource(resId: Int) {
previewImageResId = resId
notifyItemsChanged()
}
fun toRealIndex(position: Int): Int = if (items.isEmpty()) 0 else position % items.size
fun startPosition(realIndex: Int): Int {
@@ -74,6 +90,7 @@ class BannerAdapter(
height = ViewGroup.LayoutParams.MATCH_PARENT
}
setRadiusClipping(imageView)
if (previewImageResId != 0) imageView.setImageResource(previewImageResId)
onBindImage?.invoke(imageView, item)
itemView.setOnClickListener { onClickItem?.invoke(item) }
}
@@ -88,6 +105,11 @@ class BannerAdapter(
}
}
private fun notifyItemsChanged() {
val count = itemCount
if (count > 0) notifyItemRangeChanged(0, count)
}
private companion object {
const val VIRTUAL_ITEM_COUNT = Int.MAX_VALUE
}

24
app/src/main/java/kr/co/vividnext/sodalive/v2/widget/banner/BannerView.kt
View File

@@ -59,6 +59,7 @@ class BannerView @JvmOverloads constructor(
separatorText = findViewById(R.id.tv_banner_counter_separator)
totalCountText = findViewById(R.id.tv_banner_total_count)
setUpRecyclerView()
applyPreviewAttributes(attrs)
updateCounter()
}
@@ -114,6 +115,29 @@ class BannerView @JvmOverloads constructor(
adapter.setOnBindImage(listener)
}
private fun applyPreviewAttributes(attrs: AttributeSet?) {
if (attrs == null) return
val typedArray = context.obtainStyledAttributes(attrs, R.styleable.BannerView)
try {
val previewItemCount = typedArray.getInt(R.styleable.BannerView_bannerPreviewItemCount, 0)
val previewCurrentIndex = typedArray.getInt(R.styleable.BannerView_bannerPreviewCurrentIndex, 0)
val previewImageResId = typedArray.getResourceId(R.styleable.BannerView_bannerPreviewImage, 0)
if (previewImageResId != 0) adapter.setPreviewImageResource(previewImageResId)
if (previewItemCount > 0) {
items = List(previewItemCount) { index ->
BannerItem(bannerId = "preview-$index", imageUrl = "")
}
currentIndex = BannerState.from(previewItemCount, previewCurrentIndex).currentIndex
visibility = VISIBLE
adapter.submitItems(items)
scrollToCurrentBanner()
}
} finally {
typedArray.recycle()
}
}
private fun setUpRecyclerView() {
requireNotNull(recyclerView).apply {
layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)