feat(creator): 라이브 탭 화면을 연결한다

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/CreatorChannelActivity.kt

@@ -55,6 +55,7 @@ import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelAudioConte
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelLiveResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelScheduleResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelSeriesResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.live.CreatorChannelLiveFragment
 import kr.co.vividnext.sodalive.v2.creator.channel.model.CreatorChannelHeaderUiModel
 import kr.co.vividnext.sodalive.v2.creator.channel.model.CreatorChannelScrollState
 import kr.co.vividnext.sodalive.v2.creator.channel.model.CreatorChannelTab
@@ -67,7 +68,8 @@ import org.koin.android.ext.android.inject
 
 class CreatorChannelActivity :
     BaseActivity<ActivityCreatorChannelBinding>(ActivityCreatorChannelBinding::inflate),
-    CreatorChannelHomeFragment.Host {
+    CreatorChannelHomeFragment.Host,
+    CreatorChannelLiveFragment.Host {
 
     private val liveViewModel: LiveViewModel by inject()
     private val myPageViewModel: MyPageViewModel by inject()
@@ -262,8 +264,25 @@ class CreatorChannelActivity :
     }
 
     private fun setupScrollListener() {
-        binding.nestedScrollView.setOnScrollChangeListener { _, _, scrollY, _, _ ->
+        binding.nestedScrollView.setOnScrollChangeListener { _, _, scrollY, _, oldScrollY ->
             updateScrollState(scrollY)
+            onCreatorChannelNestedScrollChanged(scrollY, oldScrollY)
+        }
+    }
+
+    private fun onCreatorChannelNestedScrollChanged(scrollY: Int, oldScrollY: Int) {
+        if (binding.viewPager.currentItem != CreatorChannelTab.Live.ordinal) return
+        if (scrollY <= oldScrollY) return
+
+        val contentHeight = binding.nestedScrollView.getChildAt(0)?.height ?: return
+        val threshold = CREATOR_CHANNEL_LIVE_LOAD_MORE_THRESHOLD_DP.dpToPx().toInt()
+        val remainingScroll = calculateCreatorChannelLiveRemainingScroll(
+            contentHeight = contentHeight,
+            viewportHeight = binding.nestedScrollView.height,
+            scrollY = scrollY
+        )
+        if (remainingScroll <= threshold) {
+            findLiveFragment()?.onCreatorChannelLiveScrolledToBottom()
         }
     }
 
@@ -352,6 +371,11 @@ class CreatorChannelActivity :
                 }
                 updateOwnerFabVisibility()
                 updateViewPagerHeight()
+                if (position == CreatorChannelTab.Live.ordinal) {
+                    binding.viewPager.post {
+                        findLiveFragment()?.onCreatorChannelLiveTabSelected()
+                    }
+                }
             }
         }
         pageChangeCallback = callback
@@ -396,6 +420,11 @@ class CreatorChannelActivity :
         updateViewPagerHeight()
     }
 
+    override fun onCreatorChannelLiveContentChanged() {
+        updateViewPagerHeight()
+        postCheckCreatorChannelLiveNeedsMore()
+    }
+
     private fun setupOwnerFabInsets() {
         ViewCompat.setOnApplyWindowInsetsListener(binding.ownerFabButton) { _, insets ->
             val navigationBottomInset = insets.getInsets(WindowInsetsCompat.Type.navigationBars()).bottom
@@ -523,6 +552,15 @@ class CreatorChannelActivity :
         }
     }
 
+    override fun onCreatorChannelLiveReplayClicked(audioContentId: Long) {
+        startAudioContentDetail(audioContentId)
+    }
+
+    private fun findLiveFragment(): CreatorChannelLiveFragment? {
+        val fragmentTag = "f${CreatorChannelTab.Live.ordinal}"
+        return supportFragmentManager.findFragmentByTag(fragmentTag) as? CreatorChannelLiveFragment
+    }
+
     private fun ensureLoginAndAdultAuth(isAdult: Boolean, onAuthed: () -> Unit) {
         if (SharedPreferenceManager.token.isBlank()) {
             showLoginActivity()
@@ -592,6 +630,7 @@ class CreatorChannelActivity :
         binding.viewPager.post {
             val recyclerView = binding.viewPager.getChildAt(0) as? RecyclerView ?: return@post
             val currentPage = recyclerView.layoutManager?.findViewByPosition(binding.viewPager.currentItem) ?: return@post
+            currentPage.minimumHeight = calculateCreatorChannelTabViewportHeight()
             val widthSpec = MeasureSpec.makeMeasureSpec(binding.viewPager.width, MeasureSpec.EXACTLY)
             val heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)
             currentPage.measure(widthSpec, heightSpec)
@@ -604,6 +643,30 @@ class CreatorChannelActivity :
         }
     }
 
+    private fun postCheckCreatorChannelLiveNeedsMore() {
+        binding.nestedScrollView.post {
+            checkCreatorChannelLiveNeedsMore()
+        }
+    }
+
+    private fun checkCreatorChannelLiveNeedsMore() {
+        if (binding.viewPager.currentItem != CreatorChannelTab.Live.ordinal) return
+
+        val contentHeight = binding.nestedScrollView.getChildAt(0)?.height ?: return
+        val remainingScroll = calculateCreatorChannelLiveRemainingScroll(
+            contentHeight = contentHeight,
+            viewportHeight = binding.nestedScrollView.height,
+            scrollY = binding.nestedScrollView.scrollY
+        )
+        if (remainingScroll <= 0) {
+            findLiveFragment()?.onCreatorChannelLiveScrolledToBottom()
+        }
+    }
+
+    private fun calculateCreatorChannelTabViewportHeight(): Int {
+        return (binding.nestedScrollView.height - binding.tabLayout.height).coerceAtLeast(0)
+    }
+
     private fun onScheduleClicked(schedule: CreatorChannelScheduleResponse) {
         when (schedule.type) {
             CreatorActivityType.Audio,
@@ -620,9 +683,13 @@ class CreatorChannelActivity :
     }
 
     private fun onAudioContentClicked(audioContent: CreatorChannelAudioContentResponse) {
+        startAudioContentDetail(audioContent.audioContentId)
+    }
+
+    private fun startAudioContentDetail(audioContentId: Long) {
         startActivity(
             Intent(this, AudioContentDetailActivity::class.java).apply {
-                putExtra(Constants.EXTRA_AUDIO_CONTENT_ID, audioContent.audioContentId)
+                putExtra(Constants.EXTRA_AUDIO_CONTENT_ID, audioContentId)
             }
         )
     }
@@ -671,6 +738,7 @@ class CreatorChannelActivity :
         private const val OWNER_FAB_SPRING_MASS = 1f
         private const val OWNER_FAB_SPRING_STIFFNESS = 256f
         private const val OWNER_FAB_SPRING_DAMPING = 24f
+        private const val CREATOR_CHANNEL_LIVE_LOAD_MORE_THRESHOLD_DP = 200
 
         fun newIntent(context: Context, creatorId: Long): Intent {
             return Intent(context, CreatorChannelActivity::class.java).apply {
@@ -679,3 +747,9 @@ class CreatorChannelActivity :
         }
     }
 }
+
+internal fun calculateCreatorChannelLiveRemainingScroll(
+    contentHeight: Int,
+    viewportHeight: Int,
+    scrollY: Int
+): Int = contentHeight - viewportHeight - scrollY

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/CreatorChannelPagerAdapter.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.v2.creator.channel
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
 import androidx.viewpager2.adapter.FragmentStateAdapter
+import kr.co.vividnext.sodalive.v2.creator.channel.live.CreatorChannelLiveFragment
 import kr.co.vividnext.sodalive.v2.creator.channel.model.CreatorChannelTab
 
 class CreatorChannelPagerAdapter(
@@ -17,6 +18,7 @@ class CreatorChannelPagerAdapter(
         val tab = tabs[position]
         return when (tab) {
             CreatorChannelTab.Home -> CreatorChannelHomeFragment.newInstance(creatorId)
+            CreatorChannelTab.Live -> CreatorChannelLiveFragment.newInstance(creatorId)
             else -> CreatorChannelPlaceholderFragment.newInstance(tab)
         }
     }