feat(feed): 피드 어댑터와 뷰 테스트를 추가한다

2026-05-21 15:53:40 +09:00
parent 59ea5de00a
commit a8e0f2377d
2 changed files with 244 additions and 0 deletions
--- a/app/src/main/java/kr/co/vividnext/sodalive/v2/widget/feed/FeedAdapter.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/v2/widget/feed/FeedAdapter.kt
@@ -0,0 +1,120 @@
+package kr.co.vividnext.sodalive.v2.widget.feed
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.recyclerview.widget.RecyclerView
+import kr.co.vividnext.sodalive.R
+import kotlin.math.roundToInt
+
+class FeedAdapter(
+    private val widthMode: FeedWidthMode = FeedWidthMode.FigmaFixed,
+    private val horizontalItemDecorationDp: Int = 0,
+    private val onClickItem: (FeedItem) -> Unit,
+    private val onBindImages: (FeedImageViews, FeedItem) -> Unit = { _, _ -> }
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private val items = mutableListOf<FeedItem>()
+
+    override fun getItemViewType(position: Int): Int = when (items[position].variant) {
+        FeedVariant.Rank -> VIEW_TYPE_RANK
+        FeedVariant.Live -> VIEW_TYPE_LIVE
+        FeedVariant.Content -> VIEW_TYPE_CONTENT
+        FeedVariant.Community -> VIEW_TYPE_COMMUNITY
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        return when (viewType) {
+            VIEW_TYPE_RANK -> RankViewHolder(inflater.inflate(R.layout.view_feed_rank, parent, false) as FeedRankView, parent)
+            VIEW_TYPE_LIVE -> LiveViewHolder(inflater.inflate(R.layout.view_feed_live, parent, false) as FeedLiveView, parent)
+            VIEW_TYPE_CONTENT -> ContentViewHolder(inflater.inflate(R.layout.view_feed_content, parent, false) as FeedContentView, parent)
+            VIEW_TYPE_COMMUNITY -> CommunityViewHolder(inflater.inflate(R.layout.view_feed_community, parent, false) as FeedCommunityView, parent)
+            else -> error("Unknown viewType: $viewType")
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (val item = items[position]) {
+            is FeedItem.Rank -> (holder as RankViewHolder).bind(item)
+            is FeedItem.Live -> (holder as LiveViewHolder).bind(item)
+            is FeedItem.Content -> (holder as ContentViewHolder).bind(item)
+            is FeedItem.Community -> (holder as CommunityViewHolder).bind(item)
+        }
+    }
+
+    override fun getItemCount(): Int = items.size
+
+    fun submitItems(items: List<FeedItem>) {
+        this.items.clear()
+        this.items.addAll(items)
+        notifyDataSetChanged()
+    }
+
+    private inner class RankViewHolder(
+        private val view: FeedRankView,
+        private val parent: ViewGroup
+    ) : RecyclerView.ViewHolder(view) {
+        fun bind(item: FeedItem.Rank) {
+            view.setFeedSize(calculateSize(item.variant, parent))
+            view.bind(item)
+            view.setOnFeedClick(onClickItem)
+            onBindImages(FeedImageViews(primary = view.imageView()), item)
+        }
+    }
+
+    private inner class LiveViewHolder(
+        private val view: FeedLiveView,
+        private val parent: ViewGroup
+    ) : RecyclerView.ViewHolder(view) {
+        fun bind(item: FeedItem.Live) {
+            view.setFeedSize(calculateSize(item.variant, parent))
+            view.bind(item)
+            view.setOnFeedClick(onClickItem)
+            onBindImages(FeedImageViews(profile = view.profileImageView()), item)
+        }
+    }
+
+    private inner class ContentViewHolder(
+        private val view: FeedContentView,
+        private val parent: ViewGroup
+    ) : RecyclerView.ViewHolder(view) {
+        fun bind(item: FeedItem.Content) {
+            view.setFeedSize(calculateSize(item.variant, parent))
+            view.bind(item)
+            view.setOnFeedClick(onClickItem)
+            onBindImages(FeedImageViews(primary = view.contentImageView(), profile = view.profileImageView()), item)
+        }
+    }
+
+    private inner class CommunityViewHolder(
+        private val view: FeedCommunityView,
+        private val parent: ViewGroup
+    ) : RecyclerView.ViewHolder(view) {
+        fun bind(item: FeedItem.Community) {
+            view.setFeedSize(calculateSize(item.variant, parent))
+            view.bind(item)
+            view.setOnFeedClick(onClickItem)
+            onBindImages(FeedImageViews(profile = view.profileImageView()), item)
+        }
+    }
+
+    private fun calculateSize(variant: FeedVariant, parent: ViewGroup): FeedSize {
+        val parentWidthPx = parent.width.takeIf { it > 0 } ?: parent.resources.displayMetrics.widthPixels
+        val availableWidthPx = parentWidthPx - parent.paddingLeft - parent.paddingRight
+        val availableWidthDp = (availableWidthPx / parent.resources.displayMetrics.density).roundToInt()
+        return FeedSize.from(variant, widthMode, availableWidthDp, horizontalItemDecorationDp)
+    }
+
+    companion object {
+        private const val VIEW_TYPE_RANK = 1
+        private const val VIEW_TYPE_LIVE = 2
+        private const val VIEW_TYPE_CONTENT = 3
+        private const val VIEW_TYPE_COMMUNITY = 4
+    }
+}
+
+data class FeedImageViews(
+    val primary: ImageView? = null,
+    val profile: ImageView? = null
+)