refactor: split video and trending layout into different adapters

app/src/main/java/com/github/libretube/ui/adapters/VideoCardsAdapter.kt

@@ -0,0 +1,119 @@
+package com.github.libretube.ui.adapters
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.os.bundleOf
+import androidx.core.view.updateLayoutParams
+import androidx.recyclerview.widget.ListAdapter
+import com.github.libretube.api.obj.StreamItem
+import com.github.libretube.constants.IntentData
+import com.github.libretube.databinding.AllCaughtUpRowBinding
+import com.github.libretube.databinding.TrendingRowBinding
+import com.github.libretube.extensions.dpToPx
+import com.github.libretube.extensions.toID
+import com.github.libretube.helpers.ImageHelper
+import com.github.libretube.helpers.NavigationHelper
+import com.github.libretube.ui.adapters.callbacks.DiffUtilItemCallback
+import com.github.libretube.ui.base.BaseActivity
+import com.github.libretube.ui.extensions.setFormattedDuration
+import com.github.libretube.ui.extensions.setWatchProgressLength
+import com.github.libretube.ui.sheets.VideoOptionsBottomSheet
+import com.github.libretube.ui.viewholders.VideoCardsViewHolder
+import com.github.libretube.util.TextUtils
+
+class VideoCardsAdapter(private val columnWidthDp: Float? = null) :
+    ListAdapter<StreamItem, VideoCardsViewHolder>(DiffUtilItemCallback()) {
+
+    override fun getItemViewType(position: Int): Int {
+        return if (currentList[position].type == CAUGHT_UP_STREAM_TYPE) CAUGHT_UP_TYPE else NORMAL_TYPE
+    }
+
+    fun removeItemById(videoId: String) {
+        val index = currentList.indexOfFirst {
+            it.url?.toID() == videoId
+        }.takeIf { it > 0 } ?: return
+        val updatedList = currentList.toMutableList().also {
+            it.removeAt(index)
+        }
+
+        submitList(updatedList)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VideoCardsViewHolder {
+        val layoutInflater = LayoutInflater.from(parent.context)
+        return when {
+            viewType == CAUGHT_UP_TYPE -> VideoCardsViewHolder(
+                AllCaughtUpRowBinding.inflate(layoutInflater, parent, false)
+            )
+
+            else -> VideoCardsViewHolder(
+                TrendingRowBinding.inflate(layoutInflater, parent, false)
+            )
+        }
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: VideoCardsViewHolder, position: Int) {
+        val video = getItem(holder.bindingAdapterPosition)
+        val videoId = video.url.orEmpty().toID()
+
+        val context = (holder.trendingRowBinding ?: holder.allCaughtUpBinding)!!.root.context
+        val activity = (context as BaseActivity)
+        val fragmentManager = activity.supportFragmentManager
+
+        holder.trendingRowBinding?.apply {
+            // set a fixed width for better visuals
+            if (columnWidthDp != null) {
+                root.updateLayoutParams {
+                    width = columnWidthDp.dpToPx()
+                }
+            }
+            watchProgress.setWatchProgressLength(videoId, video.duration ?: 0L)
+
+            textViewTitle.text = video.title
+            textViewChannel.text = TextUtils.formatViewsString(
+                root.context,
+                video.views ?: -1,
+                video.uploaded,
+                video.uploaderName
+            )
+
+            video.duration?.let {
+                thumbnailDuration.setFormattedDuration(
+                    it,
+                    video.isShort,
+                    video.uploaded
+                )
+            }
+            channelImage.setOnClickListener {
+                NavigationHelper.navigateChannel(root.context, video.uploaderUrl)
+            }
+            ImageHelper.loadImage(video.thumbnail, thumbnail)
+            ImageHelper.loadImage(video.uploaderAvatar, channelImage, true)
+            root.setOnClickListener {
+                NavigationHelper.navigateVideo(root.context, videoId)
+            }
+
+            root.setOnLongClickListener {
+                fragmentManager.setFragmentResultListener(
+                    VideoOptionsBottomSheet.VIDEO_OPTIONS_SHEET_REQUEST_KEY,
+                    activity
+                ) { _, _ ->
+                    notifyItemChanged(position)
+                }
+                val sheet = VideoOptionsBottomSheet()
+                sheet.arguments = bundleOf(IntentData.streamItem to video)
+                sheet.show(fragmentManager, VideoCardsAdapter::class.java.name)
+                true
+            }
+        }
+    }
+
+    companion object {
+        private const val NORMAL_TYPE = 0
+        private const val CAUGHT_UP_TYPE = 1
+
+        const val CAUGHT_UP_STREAM_TYPE = "caught"
+    }
+}

app/src/main/java/com/github/libretube/ui/adapters/VideosAdapter.kt

@@ -6,15 +6,11 @@ import android.view.ViewGroup
 import androidx.core.os.bundleOf
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
-import androidx.core.view.updateLayoutParams
 import androidx.recyclerview.widget.ListAdapter
 import com.github.libretube.api.obj.StreamItem
 import com.github.libretube.constants.IntentData
-import com.github.libretube.databinding.AllCaughtUpRowBinding
-import com.github.libretube.databinding.TrendingRowBinding
 import com.github.libretube.databinding.VideoRowBinding
 import com.github.libretube.db.DatabaseHolder
-import com.github.libretube.extensions.dpToPx
 import com.github.libretube.extensions.toID
 import com.github.libretube.helpers.ImageHelper
 import com.github.libretube.helpers.NavigationHelper
@@ -31,13 +27,9 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
 class VideosAdapter(
-    private val forceMode: LayoutMode = LayoutMode.RESPECT_PREF
+    private val showChannelInfo: Boolean = true
 ) : ListAdapter<StreamItem, VideosViewHolder>(DiffUtilItemCallback()) {
 
-    override fun getItemViewType(position: Int): Int {
-        return if (currentList[position].type == CAUGHT_UP_STREAM_TYPE) CAUGHT_UP_TYPE else NORMAL_TYPE
-    }
-
     fun insertItems(newItems: List<StreamItem>) {
         val updatedList = currentList.toMutableList().also {
             it.addAll(newItems)
@@ -46,37 +38,10 @@ class VideosAdapter(
         submitList(updatedList)
     }
 
-    fun removeItemById(videoId: String) {
-        val index = currentList.indexOfFirst {
-            it.url?.toID() == videoId
-        }.takeIf { it > 0 } ?: return
-        val updatedList = currentList.toMutableList().also {
-            it.removeAt(index)
-        }
-
-        submitList(updatedList)
-    }
-
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VideosViewHolder {
         val layoutInflater = LayoutInflater.from(parent.context)
-        return when {
-            viewType == CAUGHT_UP_TYPE -> VideosViewHolder(
-                AllCaughtUpRowBinding.inflate(layoutInflater, parent, false)
-            )
-
-            forceMode in listOf(
-                LayoutMode.TRENDING_ROW,
-                LayoutMode.RELATED_COLUMN
-            ) -> VideosViewHolder(
-                TrendingRowBinding.inflate(layoutInflater, parent, false)
-            )
-
-            forceMode == LayoutMode.CHANNEL_ROW -> VideosViewHolder(
-                VideoRowBinding.inflate(layoutInflater, parent, false)
-            )
-
-            else -> VideosViewHolder(TrendingRowBinding.inflate(layoutInflater, parent, false))
-        }
+        val binding = VideoRowBinding.inflate(layoutInflater, parent, false)
+        return VideosViewHolder(binding)
     }
 
     @SuppressLint("SetTextI18n")
@@ -84,51 +49,11 @@ class VideosAdapter(
         val video = getItem(holder.bindingAdapterPosition)
         val videoId = video.url.orEmpty().toID()
 
-        val context = (
-            holder.videoRowBinding ?: holder.trendingRowBinding ?: holder.allCaughtUpBinding
-            )!!.root.context
+        val context = holder.binding.root.context
         val activity = (context as BaseActivity)
         val fragmentManager = activity.supportFragmentManager
 
-        // Trending layout
-        holder.trendingRowBinding?.apply {
-            // set a fixed width for better visuals
-            if (forceMode == LayoutMode.RELATED_COLUMN) {
-                root.updateLayoutParams {
-                    width = 250f.dpToPx()
-                }
-            }
-            watchProgress.setWatchProgressLength(videoId, video.duration ?: 0L)
-
-            textViewTitle.text = video.title
-            textViewChannel.text = TextUtils.formatViewsString(root.context, video.views ?: -1, video.uploaded, video.uploaderName)
-
-            video.duration?.let { thumbnailDuration.setFormattedDuration(it, video.isShort, video.uploaded) }
-            channelImage.setOnClickListener {
-                NavigationHelper.navigateChannel(root.context, video.uploaderUrl)
-            }
-            ImageHelper.loadImage(video.thumbnail, thumbnail)
-            ImageHelper.loadImage(video.uploaderAvatar, channelImage, true)
-            root.setOnClickListener {
-                NavigationHelper.navigateVideo(root.context, videoId)
-            }
-
-            root.setOnLongClickListener {
-                fragmentManager.setFragmentResultListener(
-                    VideoOptionsBottomSheet.VIDEO_OPTIONS_SHEET_REQUEST_KEY,
-                    activity
-                ) { _, _ ->
-                    notifyItemChanged(position)
-                }
-                val sheet = VideoOptionsBottomSheet()
-                sheet.arguments = bundleOf(IntentData.streamItem to video)
-                sheet.show(fragmentManager, VideosAdapter::class.java.name)
-                true
-            }
-        }
-
-        // Normal videos row layout
-        holder.videoRowBinding?.apply {
+        with(holder.binding) {
             videoTitle.text = video.title
             videoInfo.text = TextUtils.formatViewsString(root.context, video.views ?: -1, video.uploaded)
 
@@ -136,7 +61,7 @@ class VideosAdapter(
             watchProgress.setWatchProgressLength(videoId, video.duration ?: 0L)
             ImageHelper.loadImage(video.thumbnail, thumbnail)
 
-            if (forceMode != LayoutMode.CHANNEL_ROW) {
+            if (showChannelInfo) {
                 ImageHelper.loadImage(video.uploaderAvatar, channelImage, true)
                 channelName.text = video.uploaderName
 
@@ -174,19 +99,4 @@ class VideosAdapter(
             }
         }
     }
-
-    companion object {
-        enum class LayoutMode {
-            RESPECT_PREF,
-            TRENDING_ROW,
-            VIDEO_ROW,
-            CHANNEL_ROW,
-            RELATED_COLUMN
-        }
-
-        private const val NORMAL_TYPE = 0
-        private const val CAUGHT_UP_TYPE = 1
-
-        const val CAUGHT_UP_STREAM_TYPE = "caught"
-    }
 }

app/src/main/java/com/github/libretube/ui/fragments/ChannelContentFragment.kt

@@ -60,9 +60,7 @@ class ChannelContentFragment : DynamicLayoutManagerFragment(R.layout.fragment_ch
             var nextPage = arguments.getString(IntentData.nextPage)
             var isLoading = false
 
-            val channelAdapter = VideosAdapter(
-                forceMode = VideosAdapter.Companion.LayoutMode.CHANNEL_ROW
-            ).also {
+            val channelAdapter = VideosAdapter(showChannelInfo = false).also {
                 it.submitList(arguments.parcelableArrayList<StreamItem>(IntentData.videoList)!!)
             }
             binding.channelRecView.adapter = channelAdapter

app/src/main/java/com/github/libretube/ui/fragments/ChannelFragment.kt

@@ -234,9 +234,7 @@ class ChannelFragment : Fragment(R.layout.fragment_channel) {
             tab.text = tabList[position].name
         }.attach()
 
-        channelAdapter = VideosAdapter(
-            forceMode = VideosAdapter.Companion.LayoutMode.CHANNEL_ROW
-        ).also {
+        channelAdapter = VideosAdapter(showChannelInfo = false).also {
             it.submitList(response.relatedStreams)
         }
         tabList.clear()

app/src/main/java/com/github/libretube/ui/fragments/HomeFragment.kt

@@ -23,8 +23,7 @@ import com.github.libretube.helpers.PreferenceHelper
 import com.github.libretube.ui.activities.SettingsActivity
 import com.github.libretube.ui.adapters.PlaylistBookmarkAdapter
 import com.github.libretube.ui.adapters.PlaylistsAdapter
-import com.github.libretube.ui.adapters.VideosAdapter
-import com.github.libretube.ui.adapters.VideosAdapter.Companion.LayoutMode
+import com.github.libretube.ui.adapters.VideoCardsAdapter
 import com.github.libretube.ui.extensions.setupFragmentAnimation
 import com.github.libretube.ui.models.HomeViewModel
 import com.github.libretube.ui.models.SubscriptionsViewModel
@@ -38,9 +37,9 @@ class HomeFragment : Fragment(R.layout.fragment_home) {
     private val subscriptionsViewModel: SubscriptionsViewModel by activityViewModels()
     private val homeViewModel: HomeViewModel by activityViewModels()
 
-    private val trendingAdapter = VideosAdapter(forceMode = LayoutMode.TRENDING_ROW)
-    private val feedAdapter = VideosAdapter(forceMode = LayoutMode.RELATED_COLUMN)
-    private val watchingAdapter = VideosAdapter(forceMode = LayoutMode.RELATED_COLUMN)
+    private val trendingAdapter = VideoCardsAdapter()
+    private val feedAdapter = VideoCardsAdapter(columnWidthDp = 250f)
+    private val watchingAdapter = VideoCardsAdapter(columnWidthDp = 250f)
     private val bookmarkAdapter = PlaylistBookmarkAdapter(PlaylistBookmarkAdapter.Companion.BookmarkMode.HOME)
     private val playlistAdapter = PlaylistsAdapter(playlistType = PlaylistsHelper.getPrivatePlaylistType())
 

app/src/main/java/com/github/libretube/ui/fragments/PlayerFragment.kt

@@ -89,7 +89,7 @@ import com.github.libretube.parcelable.PlayerData
 import com.github.libretube.services.AbstractPlayerService
 import com.github.libretube.services.OnlinePlayerService
 import com.github.libretube.ui.activities.MainActivity
-import com.github.libretube.ui.adapters.VideosAdapter
+import com.github.libretube.ui.adapters.VideoCardsAdapter
 import com.github.libretube.ui.base.BaseActivity
 import com.github.libretube.ui.dialogs.AddToPlaylistDialog
 import com.github.libretube.ui.dialogs.PlayOfflineDialog
@@ -1127,12 +1127,8 @@ class PlayerFragment : Fragment(R.layout.fragment_player), OnlinePlayerOptions {
 
         if (PlayerHelper.relatedStreamsEnabled) {
             val relatedLayoutManager = binding.relatedRecView.layoutManager as LinearLayoutManager
-            binding.relatedRecView.adapter = VideosAdapter(
-                forceMode = if (relatedLayoutManager.orientation == LinearLayoutManager.HORIZONTAL) {
-                    VideosAdapter.Companion.LayoutMode.RELATED_COLUMN
-                } else {
-                    VideosAdapter.Companion.LayoutMode.TRENDING_ROW
-                }
+            binding.relatedRecView.adapter = VideoCardsAdapter(
+                columnWidthDp = if (relatedLayoutManager.orientation == LinearLayoutManager.HORIZONTAL) 250f else null
             ).also { adapter ->
                 adapter.submitList(streams.relatedStreams.filter { !it.title.isNullOrBlank() })
             }

app/src/main/java/com/github/libretube/ui/fragments/SubscriptionsFragment.kt

@@ -32,7 +32,7 @@ import com.github.libretube.helpers.PreferenceHelper
 import com.github.libretube.obj.SelectableOption
 import com.github.libretube.ui.adapters.LegacySubscriptionAdapter
 import com.github.libretube.ui.adapters.SubscriptionChannelAdapter
-import com.github.libretube.ui.adapters.VideosAdapter
+import com.github.libretube.ui.adapters.VideoCardsAdapter
 import com.github.libretube.ui.base.DynamicLayoutManagerFragment
 import com.github.libretube.ui.extensions.addOnBottomReachedListener
 import com.github.libretube.ui.extensions.setupFragmentAnimation
@@ -62,7 +62,7 @@ class SubscriptionsFragment : DynamicLayoutManagerFragment(R.layout.fragment_sub
 
     private var isAppBarFullyExpanded = true
 
-    private var feedAdapter = VideosAdapter()
+    private var feedAdapter = VideoCardsAdapter()
     private var selectedSortOrder = PreferenceHelper.getInt(PreferenceKeys.FEED_SORT_ORDER, 0)
         set(value) {
             PreferenceHelper.putInt(PreferenceKeys.FEED_SORT_ORDER, value)
@@ -393,7 +393,7 @@ class SubscriptionsFragment : DynamicLayoutManagerFragment(R.layout.fragment_sub
             if (caughtUpIndex > 0 && !feed[caughtUpIndex-1].isUpcoming) {
                 sorted.add(
                     caughtUpIndex,
-                    StreamItem(type = VideosAdapter.CAUGHT_UP_STREAM_TYPE)
+                    StreamItem(type = VideoCardsAdapter.CAUGHT_UP_STREAM_TYPE)
                 )
             }
         }

app/src/main/java/com/github/libretube/ui/fragments/TrendsFragment.kt

@@ -12,7 +12,7 @@ import com.github.libretube.R
 import com.github.libretube.databinding.FragmentTrendsBinding
 import com.github.libretube.helpers.NavBarHelper
 import com.github.libretube.ui.activities.SettingsActivity
-import com.github.libretube.ui.adapters.VideosAdapter
+import com.github.libretube.ui.adapters.VideoCardsAdapter
 import com.github.libretube.ui.base.DynamicLayoutManagerFragment
 import com.github.libretube.ui.extensions.setupFragmentAnimation
 import com.github.libretube.ui.models.TrendsViewModel
@@ -31,7 +31,7 @@ class TrendsFragment : DynamicLayoutManagerFragment(R.layout.fragment_trends) {
         _binding = FragmentTrendsBinding.bind(view)
         super.onViewCreated(view, savedInstanceState)
 
-        val adapter = VideosAdapter()
+        val adapter = VideoCardsAdapter()
         binding.recview.adapter = adapter
         binding.recview.layoutManager?.onRestoreInstanceState(viewModel.recyclerViewState)
 

app/src/main/java/com/github/libretube/ui/viewholders/VideoCardsViewHolder.kt

@@ -0,0 +1,18 @@
+package com.github.libretube.ui.viewholders
+
+import androidx.recyclerview.widget.RecyclerView
+import com.github.libretube.databinding.AllCaughtUpRowBinding
+import com.github.libretube.databinding.TrendingRowBinding
+
+class VideoCardsViewHolder : RecyclerView.ViewHolder {
+    var trendingRowBinding: TrendingRowBinding? = null
+    var allCaughtUpBinding: AllCaughtUpRowBinding? = null
+
+    constructor(binding: TrendingRowBinding) : super(binding.root) {
+        trendingRowBinding = binding
+    }
+
+    constructor(binding: AllCaughtUpRowBinding) : super(binding.root) {
+        allCaughtUpBinding = binding
+    }
+}

app/src/main/java/com/github/libretube/ui/viewholders/VideosViewHolder.kt

@@ -1,24 +1,6 @@
 package com.github.libretube.ui.viewholders
 
 import androidx.recyclerview.widget.RecyclerView
-import com.github.libretube.databinding.AllCaughtUpRowBinding
-import com.github.libretube.databinding.TrendingRowBinding
 import com.github.libretube.databinding.VideoRowBinding
 
-class VideosViewHolder : RecyclerView.ViewHolder {
-    var trendingRowBinding: TrendingRowBinding? = null
-    var videoRowBinding: VideoRowBinding? = null
-    var allCaughtUpBinding: AllCaughtUpRowBinding? = null
-
-    constructor(binding: TrendingRowBinding) : super(binding.root) {
-        trendingRowBinding = binding
-    }
-
-    constructor(binding: VideoRowBinding) : super(binding.root) {
-        videoRowBinding = binding
-    }
-
-    constructor(binding: AllCaughtUpRowBinding) : super(binding.root) {
-        allCaughtUpBinding = binding
-    }
-}
+class VideosViewHolder(val binding: VideoRowBinding) : RecyclerView.ViewHolder(binding.root)