Downloads: performance improvements and merge adapters (#1145)

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadAdapter.kt

@@ -0,0 +1,223 @@
+package com.lagradost.cloudstream3.ui.download
+
+import android.annotation.SuppressLint
+import android.text.format.Formatter.formatShortFileSize
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewbinding.ViewBinding
+import com.lagradost.cloudstream3.R
+import com.lagradost.cloudstream3.databinding.DownloadChildEpisodeBinding
+import com.lagradost.cloudstream3.databinding.DownloadHeaderEpisodeBinding
+import com.lagradost.cloudstream3.mvvm.logError
+import com.lagradost.cloudstream3.utils.AppUtils.getNameFull
+import com.lagradost.cloudstream3.utils.DataStoreHelper
+import com.lagradost.cloudstream3.utils.DataStoreHelper.fixVisual
+import com.lagradost.cloudstream3.utils.UIHelper.setImage
+import com.lagradost.cloudstream3.utils.VideoDownloadHelper
+
+const val DOWNLOAD_ACTION_PLAY_FILE = 0
+const val DOWNLOAD_ACTION_DELETE_FILE = 1
+const val DOWNLOAD_ACTION_RESUME_DOWNLOAD = 2
+const val DOWNLOAD_ACTION_PAUSE_DOWNLOAD = 3
+const val DOWNLOAD_ACTION_DOWNLOAD = 4
+const val DOWNLOAD_ACTION_LONG_CLICK = 5
+
+abstract class VisualDownloadCached(
+    open val currentBytes: Long,
+    open val totalBytes: Long,
+    open val data: VideoDownloadHelper.DownloadCached
+) {
+
+    // Just to be extra-safe with areContentsTheSame
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is VisualDownloadCached) return false
+
+        if (currentBytes != other.currentBytes) return false
+        if (totalBytes != other.totalBytes) return false
+        if (data != other.data) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = currentBytes.hashCode()
+        result = 31 * result + totalBytes.hashCode()
+        result = 31 * result + data.hashCode()
+        return result
+    }
+}
+
+data class VisualDownloadChildCached(
+    override val currentBytes: Long,
+    override val totalBytes: Long,
+    override val data: VideoDownloadHelper.DownloadEpisodeCached,
+): VisualDownloadCached(currentBytes, totalBytes, data)
+
+data class VisualDownloadHeaderCached(
+    override val currentBytes: Long,
+    override val totalBytes: Long,
+    override val data: VideoDownloadHelper.DownloadHeaderCached,
+    val child: VideoDownloadHelper.DownloadEpisodeCached?,
+    val currentOngoingDownloads: Int,
+    val totalDownloads: Int,
+): VisualDownloadCached(currentBytes, totalBytes, data)
+
+data class DownloadClickEvent(
+    val action: Int,
+    val data: VideoDownloadHelper.DownloadEpisodeCached
+)
+
+data class DownloadHeaderClickEvent(
+    val action: Int,
+    val data: VideoDownloadHelper.DownloadHeaderCached
+)
+
+class DownloadAdapter(
+    private val clickCallback: (DownloadHeaderClickEvent) -> Unit,
+    private val mediaClickCallback: (DownloadClickEvent) -> Unit,
+) : ListAdapter<VisualDownloadCached, DownloadAdapter.DownloadViewHolder>(DiffCallback()) {
+
+    companion object {
+        private const val VIEW_TYPE_HEADER = 0
+        private const val VIEW_TYPE_CHILD = 1
+    }
+
+    inner class DownloadViewHolder(
+        private val binding: ViewBinding,
+        private val clickCallback: (DownloadHeaderClickEvent) -> Unit,
+        private val mediaClickCallback: (DownloadClickEvent) -> Unit,
+    ) : RecyclerView.ViewHolder(binding.root) {
+
+        @SuppressLint("SetTextI18n")
+        fun bind(card: VisualDownloadCached?) {
+            when (binding) {
+                is DownloadHeaderEpisodeBinding -> binding.apply {
+                    if (card == null || card !is VisualDownloadHeaderCached) return@apply
+                    val d = card.data
+
+                    downloadHeaderPoster.apply {
+                        setImage(d.poster)
+                        setOnClickListener {
+                            clickCallback.invoke(DownloadHeaderClickEvent(1, d))
+                        }
+                    }
+
+                    downloadHeaderTitle.text = d.name
+                    val mbString = formatShortFileSize(itemView.context, card.totalBytes)
+
+                    if (card.child != null) {
+                        downloadHeaderGotoChild.isVisible = false
+
+                        downloadButton.setDefaultClickListener(card.child, downloadHeaderInfo, mediaClickCallback)
+                        downloadButton.isVisible = true
+
+                        episodeHolder.setOnClickListener {
+                            mediaClickCallback.invoke(
+                                DownloadClickEvent(
+                                    DOWNLOAD_ACTION_PLAY_FILE,
+                                    card.child
+                                )
+                            )
+                        }
+                    } else {
+                        downloadButton.isVisible = false
+                        downloadHeaderGotoChild.isVisible = true
+
+                        try {
+                            downloadHeaderInfo.text =
+                                downloadHeaderInfo.context.getString(R.string.extra_info_format)
+                                    .format(
+                                        card.totalDownloads,
+                                        if (card.totalDownloads == 1) downloadHeaderInfo.context.getString(
+                                            R.string.episode
+                                        ) else downloadHeaderInfo.context.getString(
+                                            R.string.episodes
+                                        ),
+                                        mbString
+                                    )
+                        } catch (t: Throwable) {
+                            // You probably formatted incorrectly
+                            downloadHeaderInfo.text = "Error"
+                            logError(t)
+                        }
+
+                        episodeHolder.setOnClickListener {
+                            clickCallback.invoke(DownloadHeaderClickEvent(0, d))
+                        }
+                    }
+                }
+
+                is DownloadChildEpisodeBinding -> binding.apply {
+                    if (card == null || card !is VisualDownloadChildCached) return@apply
+                    val d = card.data
+
+                    val posDur = DataStoreHelper.getViewPos(d.id)
+                    downloadChildEpisodeProgress.apply {
+                        if (posDur != null) {
+                            val visualPos = posDur.fixVisual()
+                            max = (visualPos.duration / 1000).toInt()
+                            progress = (visualPos.position / 1000).toInt()
+                            isVisible = true
+                        } else isVisible = false
+                    }
+
+                    downloadButton.setDefaultClickListener(card.data, downloadChildEpisodeTextExtra, mediaClickCallback)
+
+                    downloadChildEpisodeText.apply {
+                        text = context.getNameFull(d.name, d.episode, d.season)
+                        isSelected = true // Needed for text repeating
+                    }
+
+                    downloadChildEpisodeHolder.setOnClickListener {
+                        mediaClickCallback.invoke(DownloadClickEvent(DOWNLOAD_ACTION_PLAY_FILE, d))
+                    }
+                }
+            }
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DownloadViewHolder {
+        val binding = when (viewType) {
+            VIEW_TYPE_HEADER -> {
+                DownloadHeaderEpisodeBinding.inflate(
+                    LayoutInflater.from(parent.context),
+                    parent,
+                    false
+                )
+            }
+            VIEW_TYPE_CHILD -> {
+                DownloadChildEpisodeBinding.inflate(
+                    LayoutInflater.from(parent.context),
+                    parent,
+                    false
+                )
+            }
+            else -> throw IllegalArgumentException("Invalid view type")
+        }
+        return DownloadViewHolder(binding, clickCallback, mediaClickCallback)
+    }
+
+    override fun onBindViewHolder(holder: DownloadViewHolder, position: Int) {
+        holder.bind(getItem(position))
+    }
+
+    override fun getItemViewType(position: Int): Int {
+        val card = getItem(position)
+        return if (card is VisualDownloadChildCached) VIEW_TYPE_CHILD else VIEW_TYPE_HEADER
+    }
+
+    class DiffCallback : DiffUtil.ItemCallback<VisualDownloadCached>() {
+        override fun areItemsTheSame(oldItem: VisualDownloadCached, newItem: VisualDownloadCached): Boolean {
+            return oldItem.data.id == newItem.data.id
+        }
+
+        override fun areContentsTheSame(oldItem: VisualDownloadCached, newItem: VisualDownloadCached): Boolean {
+            return oldItem == newItem
+        }
+    }
+}

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadButtonSetup.kt

@@ -1,6 +1,5 @@
 package com.lagradost.cloudstream3.ui.download
 
-import android.app.Activity
 import android.content.DialogInterface
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
@@ -22,7 +21,6 @@ import com.lagradost.cloudstream3.utils.VideoDownloadManager
 object DownloadButtonSetup {
     fun handleDownloadClick(click: DownloadClickEvent) {
         val id = click.data.id
-        if (click.data !is VideoDownloadHelper.DownloadEpisodeCached) return
         when (click.action) {
             DOWNLOAD_ACTION_DELETE_FILE -> {
                 activity?.let { ctx ->

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadChildAdapter.kt

@@ -1,94 +0,0 @@
-package com.lagradost.cloudstream3.ui.download
-
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.recyclerview.widget.RecyclerView
-import com.lagradost.cloudstream3.databinding.DownloadChildEpisodeBinding
-import com.lagradost.cloudstream3.utils.AppUtils.getNameFull
-import com.lagradost.cloudstream3.utils.DataStoreHelper.fixVisual
-import com.lagradost.cloudstream3.utils.DataStoreHelper.getViewPos
-import com.lagradost.cloudstream3.utils.VideoDownloadHelper
-
-const val DOWNLOAD_ACTION_PLAY_FILE = 0
-const val DOWNLOAD_ACTION_DELETE_FILE = 1
-const val DOWNLOAD_ACTION_RESUME_DOWNLOAD = 2
-const val DOWNLOAD_ACTION_PAUSE_DOWNLOAD = 3
-const val DOWNLOAD_ACTION_DOWNLOAD = 4
-const val DOWNLOAD_ACTION_LONG_CLICK = 5
-
-data class VisualDownloadChildCached(
-    val currentBytes: Long,
-    val totalBytes: Long,
-    val data: VideoDownloadHelper.DownloadEpisodeCached,
-)
-
-data class DownloadClickEvent(val action: Int, val data: VideoDownloadHelper.DownloadEpisodeCached)
-
-class DownloadChildAdapter(
-    var cardList: List<VisualDownloadChildCached>,
-    private val clickCallback: (DownloadClickEvent) -> Unit,
-) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        return DownloadChildViewHolder(
-            DownloadChildEpisodeBinding.inflate(LayoutInflater.from(parent.context), parent, false),
-            clickCallback
-        )
-    }
-
-    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
-        when (holder) {
-            is DownloadChildViewHolder -> {
-                holder.bind(cardList[position])
-            }
-        }
-    }
-
-    override fun getItemCount(): Int {
-        return cardList.size
-    }
-
-    class DownloadChildViewHolder
-    constructor(
-        val binding: DownloadChildEpisodeBinding,
-        private val clickCallback: (DownloadClickEvent) -> Unit,
-    ) : RecyclerView.ViewHolder(binding.root) {
-
-        /*private val title: TextView = itemView.download_child_episode_text
-        private val extraInfo: TextView = itemView.download_child_episode_text_extra
-        private val holder: CardView = itemView.download_child_episode_holder
-        private val progressBar: ContentLoadingProgressBar = itemView.download_child_episode_progress
-        private val progressBarDownload: ContentLoadingProgressBar = itemView.download_child_episode_progress_downloaded
-        private val downloadImage: ImageView = itemView.download_child_episode_download*/
-
-
-        fun bind(card: VisualDownloadChildCached) {
-            val d = card.data
-
-            val posDur = getViewPos(d.id)
-            binding.downloadChildEpisodeProgress.apply {
-                if (posDur != null) {
-                    val visualPos = posDur.fixVisual()
-                    max = (visualPos.duration / 1000).toInt()
-                    progress = (visualPos.position / 1000).toInt()
-                    visibility = View.VISIBLE
-                } else {
-                    visibility = View.GONE
-                }
-            }
-
-            binding.downloadButton.setDefaultClickListener(card.data, binding.downloadChildEpisodeTextExtra, clickCallback)
-
-            binding.downloadChildEpisodeText.apply {
-                text = context.getNameFull(d.name, d.episode, d.season)
-                isSelected = true // is needed for text repeating
-            }
-
-
-            binding.downloadChildEpisodeHolder.setOnClickListener {
-                clickCallback.invoke(DownloadClickEvent(DOWNLOAD_ACTION_PLAY_FILE, d))
-            }
-        }
-    }
-}

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadChildFragment.kt

@@ -5,7 +5,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.recyclerview.widget.RecyclerView
 import com.lagradost.cloudstream3.R
 import com.lagradost.cloudstream3.databinding.FragmentChildDownloadsBinding
 import com.lagradost.cloudstream3.ui.download.DownloadButtonSetup.handleDownloadClick
@@ -40,7 +39,8 @@ class DownloadChildFragment : Fragment() {
         super.onDestroyView()
     }
 
-    var binding: FragmentChildDownloadsBinding? = null
+    private var binding: FragmentChildDownloadsBinding? = null
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -48,7 +48,7 @@ class DownloadChildFragment : Fragment() {
     ): View {
         val localBinding = FragmentChildDownloadsBinding.inflate(inflater, container, false)
         binding = localBinding
-        return localBinding.root//inflater.inflate(R.layout.fragment_child_downloads, container, false)
+        return localBinding.root
     }
 
     private fun updateList(folder: String) = main {
@@ -60,7 +60,11 @@ class DownloadChildFragment : Fragment() {
                 }.mapNotNull {
                     val info = VideoDownloadManager.getDownloadFileInfoAndUpdateSettings(ctx, it.id)
                         ?: return@mapNotNull null
-                    VisualDownloadChildCached(info.fileLength, info.totalBytes, it)
+                    VisualDownloadChildCached(
+                        currentBytes = info.fileLength,
+                        totalBytes = info.totalBytes,
+                        data = it,
+                    )
                 }
             }.sortedBy { it.data.episode + (it.data.season ?: 0) * 100000 }
             if (eps.isEmpty()) {
@@ -68,9 +72,7 @@ class DownloadChildFragment : Fragment() {
                 return@main
             }
 
-            (binding?.downloadChildList?.adapter as DownloadChildAdapter? ?: return@main).cardList =
+            (binding?.downloadChildList?.adapter as? DownloadAdapter)?.submitList(eps)
-                eps
-            binding?.downloadChildList?.adapter?.notifyDataSetChanged()
         }
     }
 
@@ -98,31 +100,39 @@ class DownloadChildFragment : Fragment() {
             setAppBarNoScrollFlagsOnTV()
         }
 
-        val adapter: RecyclerView.Adapter<RecyclerView.ViewHolder> =
+        val adapter = DownloadAdapter(
-            DownloadChildAdapter(
+            {},
-                ArrayList(),
+            { downloadClickEvent ->
-            ) { click ->
+                handleDownloadClick(downloadClickEvent)
-                handleDownloadClick(click)
+                if (downloadClickEvent.action == DOWNLOAD_ACTION_DELETE_FILE) {
+                    setUpDownloadDeleteListener(folder)
+                }
+            }
+        )
+
+        binding?.downloadChildList?.apply {
+            setHasFixedSize(true)
+            setItemViewCacheSize(20)
+            this.adapter = adapter
+            setLinearListLayout(
+                isHorizontal = false,
+                nextRight = FOCUS_SELF,
+                nextDown = FOCUS_SELF,
+            )
         }
 
+        updateList(folder)
+    }
+
+    private fun setUpDownloadDeleteListener(folder: String) {
         downloadDeleteEventListener = { id: Int ->
-            val list = (binding?.downloadChildList?.adapter as DownloadChildAdapter?)?.cardList
+            val list = (binding?.downloadChildList?.adapter as? DownloadAdapter)?.currentList
             if (list != null) {
                 if (list.any { it.data.id == id }) {
                     updateList(folder)
                 }
             }
         }
-
         downloadDeleteEventListener?.let { VideoDownloadManager.downloadDeleteEvent += it }
-
-        binding?.downloadChildList?.adapter = adapter
-        binding?.downloadChildList?.setLinearListLayout(
-            isHorizontal = false,
-            nextDown = FOCUS_SELF,
-            nextRight = FOCUS_SELF
-        )//layoutManager = GridLayoutManager(context, 1)
-
-        updateList(folder)
     }
 }

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadFragment.kt

@@ -10,14 +10,15 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout
+import android.widget.TextView
 import android.widget.Toast
+import androidx.annotation.StringRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.widget.doOnTextChanged
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
-import androidx.recyclerview.widget.RecyclerView
 import com.lagradost.cloudstream3.CommonActivity.showToast
 import com.lagradost.cloudstream3.R
 import com.lagradost.cloudstream3.databinding.FragmentDownloadsBinding
@@ -42,11 +43,9 @@ import com.lagradost.cloudstream3.utils.UIHelper.fixPaddingStatusbar
 import com.lagradost.cloudstream3.utils.UIHelper.hideKeyboard
 import com.lagradost.cloudstream3.utils.UIHelper.navigate
 import com.lagradost.cloudstream3.utils.UIHelper.setAppBarNoScrollFlagsOnTV
-import com.lagradost.cloudstream3.utils.VideoDownloadHelper
 import com.lagradost.cloudstream3.utils.VideoDownloadManager
 import java.net.URI
 
-
 const val DOWNLOAD_NAVIGATE_TO = "downloadpage"
 
 class DownloadFragment : Fragment() {
@@ -63,33 +62,30 @@ class DownloadFragment : Fragment() {
 
     private fun setList(list: List<VisualDownloadHeaderCached>) {
         main {
-            (binding?.downloadList?.adapter as DownloadHeaderAdapter?)?.cardList = list
+            (binding?.downloadList?.adapter as? DownloadAdapter)?.submitList(list)
-            binding?.downloadList?.adapter?.notifyDataSetChanged()
         }
     }
 
     override fun onDestroyView() {
-        if (downloadDeleteEventListener != null) {
+        downloadDeleteEventListener?.let {
-            VideoDownloadManager.downloadDeleteEvent -= downloadDeleteEventListener!!
+            VideoDownloadManager.downloadDeleteEvent -= it
-            downloadDeleteEventListener = null
         }
+        downloadDeleteEventListener = null
         binding = null
         super.onDestroyView()
     }
 
-    var binding: FragmentDownloadsBinding? = null
+    private var binding: FragmentDownloadsBinding? = null
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View? {
+    ): View {
-        downloadsViewModel =
+        downloadsViewModel = ViewModelProvider(this)[DownloadViewModel::class.java]
-            ViewModelProvider(this)[DownloadViewModel::class.java]
-
         val localBinding = FragmentDownloadsBinding.inflate(inflater, container, false)
         binding = localBinding
-        return localBinding.root//inflater.inflate(R.layout.fragment_downloads, container, false)
+        return localBinding.root
     }
 
     private var downloadDeleteEventListener: ((Int) -> Unit)? = null
@@ -97,7 +93,6 @@ class DownloadFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         hideKeyboard()
-
         binding?.downloadStorageAppbar?.setAppBarNoScrollFlagsOnTV()
 
         observe(downloadsViewModel.noDownloadsText) {
@@ -108,135 +103,109 @@ class DownloadFragment : Fragment() {
             binding?.downloadLoading?.isVisible = false
         }
         observe(downloadsViewModel.availableBytes) {
-            binding?.downloadFreeTxt?.text =
+            updateStorageInfo(view.context, it, R.string.free_storage, binding?.downloadFreeTxt, binding?.downloadFree)
-                getString(R.string.storage_size_format).format(
-                    getString(R.string.free_storage),
-                    formatShortFileSize(view.context, it)
-                )
-            binding?.downloadFree?.setLayoutWidth(it)
         }
         observe(downloadsViewModel.usedBytes) {
-            binding?.apply {
+            updateStorageInfo(view.context, it, R.string.used_storage, binding?.downloadUsedTxt, binding?.downloadUsed)
-                downloadUsedTxt.text =
+            binding?.downloadStorageAppbar?.isVisible = it > 0
-                    getString(R.string.storage_size_format).format(
-                        getString(R.string.used_storage),
-                        formatShortFileSize(view.context, it)
-                    )
-                downloadUsed.setLayoutWidth(it)
-                downloadStorageAppbar.isVisible = it > 0
-            }
         }
         observe(downloadsViewModel.downloadBytes) {
-            binding?.apply {
+            updateStorageInfo(view.context, it, R.string.app_storage, binding?.downloadAppTxt, binding?.downloadApp)
-                downloadAppTxt.text =
-                    getString(R.string.storage_size_format).format(
-                        getString(R.string.app_storage),
-                        formatShortFileSize(view.context, it)
-                    )
-                downloadApp.setLayoutWidth(it)
-            }
         }
 
-        val adapter: RecyclerView.Adapter<RecyclerView.ViewHolder> =
+        val adapter = DownloadAdapter(
-            DownloadHeaderAdapter(
-                ArrayList(),
             { click ->
+                handleItemClick(click)
+            },
+            { downloadClickEvent ->
+                handleDownloadClick(downloadClickEvent)
+                if (downloadClickEvent.action == DOWNLOAD_ACTION_DELETE_FILE) {
+                    setUpDownloadDeleteListener()
+                }
+            }
+        )
+
+        binding?.downloadList?.apply {
+            setHasFixedSize(true)
+            setItemViewCacheSize(20)
+            this.adapter = adapter
+            setLinearListLayout(
+                isHorizontal = false,
+                nextRight = FOCUS_SELF,
+                nextUp = FOCUS_SELF,
+                nextDown = FOCUS_SELF,
+            )
+        }
+
+        binding?.downloadStreamButton?.apply {
+            isGone = isLayout(TV)
+            setOnClickListener { showStreamInputDialog(it.context) }
+        }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            binding?.downloadList?.setOnScrollChangeListener { _, _, scrollY, _, oldScrollY ->
+                handleScroll(scrollY - oldScrollY)
+            }
+        }
+        downloadsViewModel.updateList(requireContext())
+        fixPaddingStatusbar(binding?.downloadRoot)
+    }
+
+    private fun handleItemClick(click: DownloadHeaderClickEvent) {
         when (click.action) {
             0 -> {
-                            if (click.data.type.isMovieType()) {
+                if (!click.data.type.isMovieType()) {
-                                //wont be called
+                    val folder = DataStore.getFolderName(DOWNLOAD_EPISODE_CACHE, click.data.id.toString())
-                            } else {
-                                val folder = DataStore.getFolderName(
-                                    DOWNLOAD_EPISODE_CACHE,
-                                    click.data.id.toString()
-                                )
                     activity?.navigate(
                         R.id.action_navigation_downloads_to_navigation_download_child,
                         DownloadChildFragment.newInstance(click.data.name, folder)
                     )
                 }
             }
-
             1 -> {
-                            (activity as AppCompatActivity?)?.loadResult(
+                (activity as AppCompatActivity?)?.loadResult(click.data.url, click.data.apiName)
-                                click.data.url,
+            }
-                                click.data.apiName
-                            )
         }
     }
 
-                },
+    private fun setUpDownloadDeleteListener() {
-                { downloadClickEvent ->
-                    if (downloadClickEvent.data !is VideoDownloadHelper.DownloadEpisodeCached) return@DownloadHeaderAdapter
-                    handleDownloadClick(downloadClickEvent)
-                    if (downloadClickEvent.action == DOWNLOAD_ACTION_DELETE_FILE) {
-                        context?.let { ctx ->
-                            downloadsViewModel.updateList(ctx)
-                        }
-                    }
-                }
-            )
-
         downloadDeleteEventListener = { id ->
-            val list = (binding?.downloadList?.adapter as DownloadHeaderAdapter?)?.cardList
+            val list = (binding?.downloadList?.adapter as? DownloadAdapter)?.currentList
-            if (list != null) {
+            if (list?.any { it.data.id == id } == true) {
-                if (list.any { it.data.id == id }) {
+                context?.let { downloadsViewModel.updateList(it) }
-                    context?.let { ctx ->
-                        setList(ArrayList())
-                        downloadsViewModel.updateList(ctx)
             }
         }
-            }
-        }
-
         downloadDeleteEventListener?.let { VideoDownloadManager.downloadDeleteEvent += it }
-
-        binding?.downloadList?.apply {
-            this.adapter = adapter
-            setLinearListLayout(
-                isHorizontal = false,
-                nextRight = FOCUS_SELF,
-                nextUp = FOCUS_SELF,
-                nextDown = FOCUS_SELF
-            )
-            //layoutManager = GridLayoutManager(context, 1)
     }
 
-        // Should be visible in emulator layout
+    private fun updateStorageInfo(
-        binding?.downloadStreamButton?.isGone = isLayout(TV)
+        context: Context,
-        binding?.downloadStreamButton?.setOnClickListener {
+        bytes: Long,
-            val dialog =
+        @StringRes stringRes: Int,
-                Dialog(it.context ?: return@setOnClickListener, R.style.AlertDialogCustom)
+        textView: TextView?,
+        view: View?
+    ) {
+        textView?.text = getString(R.string.storage_size_format).format(getString(stringRes), formatShortFileSize(context, bytes))
+        view?.setLayoutWidth(bytes)
+    }
 
+    private fun showStreamInputDialog(context: Context) {
+        val dialog = Dialog(context, R.style.AlertDialogCustom)
         val binding = StreamInputBinding.inflate(dialog.layoutInflater)
-
         dialog.setContentView(binding.root)
-
         dialog.show()
 
-            // If user has clicked the switch do not interfere
         var preventAutoSwitching = false
-            binding.hlsSwitch.setOnClickListener {
+        binding.hlsSwitch.setOnClickListener { preventAutoSwitching = true }
-                preventAutoSwitching = true
-            }
-
-            fun activateSwitchOnHls(text: String?) {
-                binding.hlsSwitch.isChecked = normalSafeApiCall {
-                    URI(text).path?.substringAfterLast(".")?.contains("m3u")
-                } == true
-            }
 
         binding.streamReferer.doOnTextChanged { text, _, _, _ ->
-                if (!preventAutoSwitching)
+            if (!preventAutoSwitching) activateSwitchOnHls(text?.toString(), binding)
-                    activateSwitchOnHls(text?.toString())
         }
 
-            (activity?.getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager?)?.primaryClip?.getItemAt(
+        (activity?.getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager)?.primaryClip?.getItemAt(0)?.text?.toString()?.let { copy ->
-                0
-            )?.text?.toString()?.let { copy ->
             val fixedText = copy.trim()
             binding.streamUrl.setText(fixedText)
-                activateSwitchOnHls(fixedText)
+            activateSwitchOnHls(fixedText, binding)
         }
 
         binding.applyBtt.setOnClickListener {
@@ -245,7 +214,6 @@ class DownloadFragment : Fragment() {
                 showToast(R.string.error_invalid_url, Toast.LENGTH_SHORT)
             } else {
                 val referer = binding.streamReferer.text?.toString()
-
                 activity?.navigate(
                     R.id.global_to_navigation_player,
                     GeneratorPlayer.newInstance(
@@ -257,7 +225,6 @@ class DownloadFragment : Fragment() {
                         )
                     )
                 )
-
                 dialog.dismissSafe(activity)
             }
         }
@@ -266,18 +233,18 @@ class DownloadFragment : Fragment() {
             dialog.dismissSafe(activity)
         }
     }
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            binding?.downloadList?.setOnScrollChangeListener { _, _, scrollY, _, oldScrollY ->
-                val dy = scrollY - oldScrollY
-                if (dy > 0) { //check for scroll down
-                    binding?.downloadStreamButton?.shrink() // hide
-                } else if (dy < -5) {
-                    binding?.downloadStreamButton?.extend() // show
-                }
-            }
-        }
-        downloadsViewModel.updateList(requireContext())
 
-        fixPaddingStatusbar(binding?.downloadRoot)
+    private fun activateSwitchOnHls(text: String?, binding: StreamInputBinding) {
+        binding.hlsSwitch.isChecked = normalSafeApiCall {
+            URI(text).path?.substringAfterLast(".")?.contains("m3u")
+        } == true
+    }
+
+    private fun handleScroll(dy: Int) {
+        if (dy > 0) {
+            binding?.downloadStreamButton?.shrink()
+        } else if (dy < -5) {
+            binding?.downloadStreamButton?.extend()
+        }
     }
 }

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadHeaderAdapter.kt

@@ -1,149 +0,0 @@
-package com.lagradost.cloudstream3.ui.download
-
-import android.annotation.SuppressLint
-import android.text.format.Formatter.formatShortFileSize
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.core.view.isVisible
-import androidx.recyclerview.widget.RecyclerView
-import com.lagradost.cloudstream3.R
-import com.lagradost.cloudstream3.databinding.DownloadHeaderEpisodeBinding
-import com.lagradost.cloudstream3.mvvm.logError
-import com.lagradost.cloudstream3.utils.UIHelper.setImage
-import com.lagradost.cloudstream3.utils.VideoDownloadHelper
-import java.util.*
-
-data class VisualDownloadHeaderCached(
-    val currentOngoingDownloads: Int,
-    val totalDownloads: Int,
-    val totalBytes: Long,
-    val currentBytes: Long,
-    val data: VideoDownloadHelper.DownloadHeaderCached,
-    val child: VideoDownloadHelper.DownloadEpisodeCached?,
-)
-
-data class DownloadHeaderClickEvent(
-    val action: Int,
-    val data: VideoDownloadHelper.DownloadHeaderCached
-)
-
-class DownloadHeaderAdapter(
-    var cardList: List<VisualDownloadHeaderCached>,
-    private val clickCallback: (DownloadHeaderClickEvent) -> Unit,
-    private val movieClickCallback: (DownloadClickEvent) -> Unit,
-) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        return DownloadHeaderViewHolder(
-            DownloadHeaderEpisodeBinding.inflate(
-                LayoutInflater.from(parent.context),
-                parent,
-                false
-            ),
-            clickCallback,
-            movieClickCallback
-        )
-    }
-
-    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
-        when (holder) {
-            is DownloadHeaderViewHolder -> {
-                holder.bind(cardList[position])
-            }
-        }
-    }
-
-    override fun getItemCount(): Int {
-        return cardList.size
-    }
-
-    class DownloadHeaderViewHolder
-    constructor(
-        val binding: DownloadHeaderEpisodeBinding,
-        private val clickCallback: (DownloadHeaderClickEvent) -> Unit,
-        private val movieClickCallback: (DownloadClickEvent) -> Unit,
-    ) : RecyclerView.ViewHolder(binding.root) {
-
-        /*private val poster: ImageView? = itemView.download_header_poster
-        private val title: TextView = itemView.download_header_title
-        private val extraInfo: TextView = itemView.download_header_info
-        private val holder: CardView = itemView.episode_holder
-
-        private val downloadBar: ContentLoadingProgressBar = itemView.download_header_progress_downloaded
-        private val downloadImage: ImageView = itemView.download_header_episode_download
-        private val normalImage: ImageView = itemView.download_header_goto_child*/
-
-        @SuppressLint("SetTextI18n")
-        fun bind(card: VisualDownloadHeaderCached) {
-            val d = card.data
-
-            binding.downloadHeaderPoster.apply {
-                setImage(d.poster)
-                setOnClickListener {
-                    clickCallback.invoke(DownloadHeaderClickEvent(1, d))
-                }
-            }
-
-            binding.apply {
-
-                binding.downloadHeaderTitle.text = d.name
-                val mbString = formatShortFileSize(itemView.context, card.totalBytes)
-
-                //val isMovie = d.type.isMovieType()
-                if (card.child != null) {
-                    //downloadHeaderProgressDownloaded.visibility = View.VISIBLE
-
-                   // downloadHeaderEpisodeDownload.visibility = View.VISIBLE
-                    binding.downloadHeaderGotoChild.visibility = View.GONE
-
-                    downloadButton.setDefaultClickListener(card.child, downloadHeaderInfo, movieClickCallback)
-                    downloadButton.isVisible = true
-                    /*setUpButton(
-                        card.currentBytes,
-                        card.totalBytes,
-                        downloadBar,
-                        downloadImage,
-                        extraInfo,
-                        card.child,
-                        movieClickCallback
-                    )*/
-
-                    episodeHolder.setOnClickListener {
-                        movieClickCallback.invoke(
-                            DownloadClickEvent(
-                                DOWNLOAD_ACTION_PLAY_FILE,
-                                card.child
-                            )
-                        )
-                    }
-                } else {
-                    downloadButton.isVisible = false
-                   // downloadHeaderProgressDownloaded.visibility = View.GONE
-                   // downloadHeaderEpisodeDownload.visibility = View.GONE
-                    binding.downloadHeaderGotoChild.visibility = View.VISIBLE
-
-                    try {
-                        downloadHeaderInfo.text =
-                            downloadHeaderInfo.context.getString(R.string.extra_info_format).format(
-                                card.totalDownloads,
-                                if (card.totalDownloads == 1) downloadHeaderInfo.context.getString(R.string.episode) else downloadHeaderInfo.context.getString(
-                                    R.string.episodes
-                                ),
-                                mbString
-                            )
-                    } catch (t: Throwable) {
-                        // you probably formatted incorrectly
-                        downloadHeaderInfo.text = "Error"
-                        logError(t)
-                    }
-
-
-                    episodeHolder.setOnClickListener {
-                        clickCallback.invoke(DownloadHeaderClickEvent(0, d))
-                    }
-                }
-            }
-        }
-    }
-}

app/src/main/java/com/lagradost/cloudstream3/ui/download/DownloadViewModel.kt

@@ -39,6 +39,8 @@ class DownloadViewModel : ViewModel() {
     val availableBytes: LiveData<Long> = _availableBytes
     val downloadBytes: LiveData<Long> = _downloadBytes
 
+    private var previousVisual: List<VisualDownloadHeaderCached>? = null
+
     fun updateList(context: Context) = viewModelScope.launchSafe {
         val children = withContext(Dispatchers.IO) {
             val headers = context.getKeys(DOWNLOAD_EPISODE_CACHE)
@@ -53,7 +55,6 @@ class DownloadViewModel : ViewModel() {
         // parentId : downloadsCount
         val totalDownloads = HashMap<Int, Int>()
 
-
         // Gets all children downloads
         withContext(Dispatchers.IO) {
             for (c in children) {
@@ -69,7 +70,7 @@ class DownloadViewModel : ViewModel() {
             }
         }
 
-        val cached = withContext(Dispatchers.IO) { // wont fetch useless keys
+        val cached = withContext(Dispatchers.IO) { // Won't fetch useless keys
             totalDownloads.entries.filter { it.value > 0 }.mapNotNull {
                 context.getKey<VideoDownloadHelper.DownloadHeaderCached>(
                     DOWNLOAD_HEADER_CACHE,
@@ -79,7 +80,7 @@ class DownloadViewModel : ViewModel() {
         }
 
         val visual = withContext(Dispatchers.IO) {
-            cached.mapNotNull { // TODO FIX
+            cached.mapNotNull {
                 val downloads = totalDownloads[it.id] ?: 0
                 val bytes = totalBytesUsedByChild[it.id] ?: 0
                 val currentBytes = currentBytesUsedByChild[it.id] ?: 0
@@ -91,21 +92,25 @@ class DownloadViewModel : ViewModel() {
                         getFolderName(it.id.toString(), it.id.toString())
                     )
                 VisualDownloadHeaderCached(
-                    0,
+                    currentBytes = currentBytes,
-                    downloads,
+                    totalBytes = bytes,
-                    bytes,
+                    data = it,
-                    currentBytes,
+                    child = movieEpisode,
-                    it,
+                    currentOngoingDownloads = 0,
-                    movieEpisode
+                    totalDownloads = downloads,
                 )
             }.sortedBy {
                 (it.child?.episode ?: 0) + (it.child?.season?.times(10000) ?: 0)
-            } // episode sorting by episode, lowest to highest
+            } // Episode sorting by episode, lowest to highest
         }
+
+        // Only update list if different from the previous one to prevent duplicate initialization
+        if (visual != previousVisual) {
+            previousVisual = visual
+
             try {
                 val stat = StatFs(Environment.getExternalStorageDirectory().path)
-
+                val localBytesAvailable = stat.availableBytes
-            val localBytesAvailable = stat.availableBytes//stat.blockSizeLong * stat.blockCountLong
                 val localTotalBytes = stat.blockSizeLong * stat.blockCountLong
                 val localDownloadedBytes = visual.sumOf { it.totalBytes }
 
@@ -120,3 +125,4 @@ class DownloadViewModel : ViewModel() {
             _headerCards.postValue(visual)
         }
     }
+}

app/src/main/java/com/lagradost/cloudstream3/ui/result/EpisodeAdapter.kt

@@ -192,15 +192,15 @@ class EpisodeAdapter(
                 downloadButton.isVisible = hasDownloadSupport
                 downloadButton.setDefaultClickListener(
                     VideoDownloadHelper.DownloadEpisodeCached(
-                        card.name,
+                        name = card.name,
-                        card.poster,
+                        poster = card.poster,
-                        card.episode,
+                        episode = card.episode,
-                        card.season,
+                        season = card.season,
-                        card.id,
+                        id = card.id,
-                        card.parentId,
+                        parentId = card.parentId,
-                        card.rating,
+                        rating = card.rating,
-                        card.description,
+                        description = card.description,
-                        System.currentTimeMillis(),
+                        cacheTime = System.currentTimeMillis(),
                     ), null
                 ) {
                     when (it.action) {
@@ -343,15 +343,15 @@ class EpisodeAdapter(
                 downloadButton.isVisible = hasDownloadSupport
                 downloadButton.setDefaultClickListener(
                     VideoDownloadHelper.DownloadEpisodeCached(
-                        card.name,
+                        name = card.name,
-                        card.poster,
+                        poster = card.poster,
-                        card.episode,
+                        episode = card.episode,
-                        card.season,
+                        season = card.season,
-                        card.id,
+                        id = card.id,
-                        card.parentId,
+                        parentId = card.parentId,
-                        card.rating,
+                        rating = card.rating,
-                        card.description,
+                        description = card.description,
-                        System.currentTimeMillis(),
+                        cacheTime = System.currentTimeMillis(),
                     ), null
                 ) {
                     when (it.action) {

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragmentPhone.kt

@@ -185,8 +185,6 @@ open class ResultFragmentPhone : FullScreenPlayer() {
             }
             binding?.resultFullscreenHolder?.isVisible = !isSuccess && isFullScreenPlayer
         }
-
-
         //player_view?.apply {
         //alpha = 0.0f
         //ObjectAnimator.ofFloat(player_view, "alpha", 1f).apply {
@@ -201,8 +199,6 @@ open class ResultFragmentPhone : FullScreenPlayer() {
         //}
         //startAnimation(fadeIn)
         //}
-
-
     }
 
     private fun setTrailers(trailers: List<ExtractorLink>?) {
@@ -630,15 +626,15 @@ open class ResultFragmentPhone : FullScreenPlayer() {
                     }
                     downloadButton.setDefaultClickListener(
                         VideoDownloadHelper.DownloadEpisodeCached(
-                            ep.name,
+                            name = ep.name,
-                            ep.poster,
+                            poster = ep.poster,
-                            0,
+                            episode = 0,
-                            null,
+                            season = null,
-                            ep.id,
+                            id = ep.id,
-                            ep.id,
+                            parentId = ep.id,
-                            null,
+                            rating = null,
-                            null,
+                            description = null,
-                            System.currentTimeMillis(),
+                            cacheTime = System.currentTimeMillis(),
                         ),
                         null
                     ) { click ->

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultViewModel2.kt

@@ -705,13 +705,13 @@ class ResultViewModel2 : ViewModel() {
                     DOWNLOAD_HEADER_CACHE,
                     parentId.toString(),
                     VideoDownloadHelper.DownloadHeaderCached(
-                        apiName,
+                        apiName = apiName,
-                        url,
+                        url = url,
-                        currentType,
+                        type = currentType,
-                        currentHeaderName,
+                        name = currentHeaderName,
-                        currentPoster,
+                        poster = currentPoster,
-                        parentId,
+                        id = parentId,
-                        System.currentTimeMillis(),
+                        cacheTime = System.currentTimeMillis(),
                     )
                 )
 
@@ -722,15 +722,15 @@ class ResultViewModel2 : ViewModel() {
                     ), // 3 deep folder for faster acess
                     episode.id.toString(),
                     VideoDownloadHelper.DownloadEpisodeCached(
-                        episode.name,
+                        name = episode.name,
-                        episode.poster,
+                        poster = episode.poster,
-                        episode.episode,
+                        episode = episode.episode,
-                        episode.season,
+                        season = episode.season,
-                        episode.id,
+                        id = episode.id,
-                        parentId,
+                        parentId = parentId,
-                        episode.rating,
+                        rating = episode.rating,
-                        episode.description,
+                        description = episode.description,
-                        System.currentTimeMillis(),
+                        cacheTime = System.currentTimeMillis(),
                     )
                 )
 
@@ -2776,13 +2776,13 @@ class ResultViewModel2 : ViewModel() {
                         DOWNLOAD_HEADER_CACHE,
                         mainId.toString(),
                         VideoDownloadHelper.DownloadHeaderCached(
-                            apiName,
+                            apiName = apiName,
-                            validUrl,
+                            url = validUrl,
-                            loadResponse.type,
+                            type = loadResponse.type,
-                            loadResponse.name,
+                            name = loadResponse.name,
-                            loadResponse.posterUrl,
+                            poster = loadResponse.posterUrl,
-                            mainId,
+                            id = mainId,
-                            System.currentTimeMillis(),
+                            cacheTime = System.currentTimeMillis(),
                         )
                     )
                     if (loadTrailers)

app/src/main/java/com/lagradost/cloudstream3/ui/search/SearchHelper.kt

@@ -33,15 +33,15 @@ object SearchHelper {
                                 DownloadClickEvent(
                                     DOWNLOAD_ACTION_PLAY_FILE,
                                     VideoDownloadHelper.DownloadEpisodeCached(
-                                        card.name,
+                                        name = card.name,
-                                        card.posterUrl,
+                                        poster = card.posterUrl,
-                                        card.episode ?: 0,
+                                        episode = card.episode ?: 0,
-                                        card.season,
+                                        season = card.season,
-                                        id,
+                                        id = id,
-                                        card.parentId ?: return,
+                                        parentId = card.parentId ?: return,
-                                        null,
+                                        rating = null,
-                                        null,
+                                        description = null,
-                                        System.currentTimeMillis()
+                                        cacheTime = System.currentTimeMillis(),
                                     )
                                 )
                             )

app/src/main/java/com/lagradost/cloudstream3/utils/VideoDownloadHelper.kt

@@ -3,17 +3,21 @@ package com.lagradost.cloudstream3.utils
 import com.fasterxml.jackson.annotation.JsonProperty
 import com.lagradost.cloudstream3.TvType
 object VideoDownloadHelper {
+    abstract class DownloadCached(
+        @JsonProperty("id") open val id: Int,
+    )
+
     data class DownloadEpisodeCached(
         @JsonProperty("name") val name: String?,
         @JsonProperty("poster") val poster: String?,
         @JsonProperty("episode") val episode: Int,
         @JsonProperty("season") val season: Int?,
-        @JsonProperty("id") val id: Int,
         @JsonProperty("parentId") val parentId: Int,
         @JsonProperty("rating") val rating: Int?,
         @JsonProperty("description") val description: String?,
         @JsonProperty("cacheTime") val cacheTime: Long,
-    )
+        override val id: Int,
+    ): DownloadCached(id)
 
     data class DownloadHeaderCached(
         @JsonProperty("apiName") val apiName: String,
@@ -21,9 +25,9 @@ object VideoDownloadHelper {
         @JsonProperty("type") val type: TvType,
         @JsonProperty("name") val name: String,
         @JsonProperty("poster") val poster: String?,
-        @JsonProperty("id") val id: Int,
         @JsonProperty("cacheTime") val cacheTime: Long,
-    )
+        override val id: Int,
+    ): DownloadCached(id)
 
     data class ResumeWatching(
         @JsonProperty("parentId") val parentId: Int,

app/src/main/res/layout/download_header_episode.xml

@@ -59,12 +59,12 @@
 
         <ImageView
             android:id="@+id/download_header_goto_child"
-            android:layout_width="50dp"
+            android:layout_width="@dimen/download_size"
-            android:layout_height="match_parent"
+            android:layout_height="@dimen/download_size"
             android:layout_gravity="center_vertical|end"
             android:layout_marginStart="-50dp"
             android:contentDescription="@string/download"
-            android:padding="50dp"
+            android:padding="10dp"
             android:src="@drawable/ic_baseline_keyboard_arrow_right_24" />
 
         <com.lagradost.cloudstream3.ui.download.button.PieFetchButton