Add a clear button to the watch history

app/src/main/java/com/github/libretube/constants/IntentData.kt

@@ -9,5 +9,6 @@ object IntentData {
     const val position = "position"
     const val fileName = "fileName"
     const val openQueueOnce = "openQueue"
+    const val keepQueue = "keepQueue"
     const val playlistType = "playlistType"
 }

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

@@ -127,11 +127,16 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
     private val commentsViewModel: CommentsViewModel by activityViewModels()
 
     /**
-     * video information
+     * Video information passed by the intent
      */
     private var videoId: String? = null
     private var playlistId: String? = null
     private var channelId: String? = null
+    private var keepQueue: Boolean = false
+
+    /**
+     * Video information fetched at runtime
+     */
     private var isLive = false
     private lateinit var streams: Streams
 
@@ -179,6 +184,7 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
             videoId = it.getString(IntentData.videoId)!!.toID()
             playlistId = it.getString(IntentData.playlistId)
             channelId = it.getString(IntentData.channelId)
+            keepQueue = it.getBoolean(IntentData.keepQueue, false)
         }
     }
 
@@ -202,7 +208,7 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
         context?.hideKeyboard(view)
 
         // clear the playing queue
-        PlayingQueue.resetToDefaults()
+        if (!keepQueue) PlayingQueue.resetToDefaults()
 
         changeOrientationMode()
 

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

@@ -9,14 +9,17 @@ import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.github.libretube.R
 import com.github.libretube.databinding.FragmentWatchHistoryBinding
 import com.github.libretube.db.DatabaseHolder.Companion.Database
 import com.github.libretube.extensions.awaitQuery
+import com.github.libretube.extensions.query
 import com.github.libretube.extensions.toPixel
 import com.github.libretube.ui.adapters.WatchHistoryAdapter
 import com.github.libretube.ui.base.BaseFragment
 import com.github.libretube.ui.models.PlayerViewModel
 import com.github.libretube.util.ProxyHelper
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 
 class WatchHistoryFragment : BaseFragment() {
     private lateinit var binding: FragmentWatchHistoryBinding
@@ -41,6 +44,21 @@ class WatchHistoryFragment : BaseFragment() {
             )
         }
 
+        binding.clear.setOnClickListener {
+            MaterialAlertDialogBuilder(requireContext())
+                .setTitle(R.string.clear_history)
+                .setMessage(R.string.irreversible)
+                .setPositiveButton(R.string.okay) { _, _ ->
+                    binding.historyScrollView.visibility = View.GONE
+                    binding.historyEmpty.visibility = View.VISIBLE
+                    query {
+                        Database.watchHistoryDao().deleteAll()
+                    }
+                }
+                .setNegativeButton(R.string.cancel, null)
+                .show()
+        }
+
         val watchHistory = awaitQuery {
             Database.watchHistoryDao().getAll()
         }
@@ -88,17 +106,17 @@ class WatchHistoryFragment : BaseFragment() {
 
         // observe changes
         watchHistoryAdapter.registerAdapterDataObserver(object :
-            RecyclerView.AdapterDataObserver() {
-            override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) {
-                if (watchHistoryAdapter.itemCount == 0) {
-                    binding.watchHistoryRecView.visibility = View.GONE
-                    binding.historyEmpty.visibility = View.VISIBLE
+                RecyclerView.AdapterDataObserver() {
+                override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) {
+                    if (watchHistoryAdapter.itemCount == 0) {
+                        binding.historyScrollView.visibility = View.GONE
+                        binding.historyEmpty.visibility = View.VISIBLE
+                    }
                 }
-            }
-        })
+            })
 
         binding.watchHistoryRecView.adapter = watchHistoryAdapter
         binding.historyEmpty.visibility = View.GONE
-        binding.watchHistoryRecView.visibility = View.VISIBLE
+        binding.historyScrollView.visibility = View.VISIBLE
     }
 }

app/src/main/java/com/github/libretube/util/NavigationHelper.kt

@@ -49,23 +49,29 @@ object NavigationHelper {
         context: Context,
         videoId: String?,
         playlistId: String? = null,
-        channelId: String? = null
+        channelId: String? = null,
+        keepQueue: Boolean = false
     ) {
         if (videoId == null) return
 
-        val bundle = Bundle()
-        bundle.putString(IntentData.videoId, videoId.toID())
-        bundle.putString(IntentData.playlistId, playlistId)
-        bundle.putString(IntentData.channelId, channelId)
+        val bundle = Bundle().apply {
+            putString(IntentData.videoId, videoId.toID())
+            putString(IntentData.playlistId, playlistId)
+            putString(IntentData.channelId, channelId)
+            putBoolean(IntentData.keepQueue, keepQueue)
+        }
 
-        val frag = PlayerFragment()
-        frag.arguments = bundle
         val activity = context as AppCompatActivity
         activity.supportFragmentManager.beginTransaction()
             .remove(PlayerFragment())
             .commit()
         activity.supportFragmentManager.beginTransaction()
-            .replace(R.id.container, frag)
+            .replace(
+                R.id.container,
+                PlayerFragment().apply {
+                    arguments = bundle
+                }
+            )
             .commitNow()
     }
 

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -26,12 +27,56 @@
             android:textStyle="bold" />
     </LinearLayout>
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/watchHistoryRecView"
+    <ScrollView
+        android:id="@+id/historyScrollView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:clipToPadding="false"
-        android:nestedScrollingEnabled="false"
-        android:visibility="gone" />
+        android:visibility="gone">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="10dp"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/play_all"
+                    style="@style/Widget.Material3.Button.OutlinedButton"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginHorizontal="10dp"
+                    android:layout_weight="1"
+                    android:maxLines="1"
+                    android:text="@string/play_all"
+                    app:icon="@drawable/ic_playlist" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/clear"
+                    style="@style/Widget.Material3.Button"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginHorizontal="10dp"
+                    android:layout_weight="1"
+                    android:maxLines="1"
+                    android:text="@string/clear_history"
+                    app:icon="@drawable/ic_delete" />
+
+            </LinearLayout>
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/watchHistoryRecView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:clipToPadding="false"
+                android:nestedScrollingEnabled="false" />
+
+        </LinearLayout>
+
+    </ScrollView>
 
 </FrameLayout>