[Audio player] Swipe listener

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

@@ -1,5 +1,6 @@
 package com.github.libretube.ui.fragments
 
+import android.annotation.SuppressLint
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
@@ -9,6 +10,7 @@ import android.os.Handler
 import android.os.IBinder
 import android.os.Looper
 import android.text.format.DateUtils
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -18,21 +20,26 @@ import com.github.libretube.api.obj.StreamItem
 import com.github.libretube.databinding.FragmentAudioPlayerBinding
 import com.github.libretube.enums.ShareObjectType
 import com.github.libretube.extensions.toID
+import com.github.libretube.helpers.AudioHelper
+import com.github.libretube.helpers.BackgroundHelper
+import com.github.libretube.helpers.ImageHelper
+import com.github.libretube.helpers.NavigationHelper
 import com.github.libretube.obj.ShareData
 import com.github.libretube.services.BackgroundMode
 import com.github.libretube.ui.activities.MainActivity
 import com.github.libretube.ui.base.BaseFragment
 import com.github.libretube.ui.dialogs.ShareDialog
+import com.github.libretube.ui.interfaces.AudioPlayerOptions
+import com.github.libretube.ui.listeners.AudioPlayerThumbnailListener
 import com.github.libretube.ui.sheets.PlaybackOptionsSheet
 import com.github.libretube.ui.sheets.PlayingQueueSheet
 import com.github.libretube.ui.sheets.VideoOptionsBottomSheet
-import com.github.libretube.helpers.BackgroundHelper
-import com.github.libretube.helpers.ImageHelper
-import com.github.libretube.helpers.NavigationHelper
 import com.github.libretube.util.PlayingQueue
 
-class AudioPlayerFragment : BaseFragment() {
+class AudioPlayerFragment : BaseFragment(), AudioPlayerOptions {
     private lateinit var binding: FragmentAudioPlayerBinding
+    private lateinit var audioHelper: AudioHelper
+
     private val onTrackChangeListener: (StreamItem) -> Unit = {
         updateStreamInfo()
     }
@@ -64,6 +71,7 @@ class AudioPlayerFragment : BaseFragment() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        audioHelper = AudioHelper(requireContext())
         Intent(activity, BackgroundMode::class.java).also { intent ->
             activity?.bindService(intent, connection, Context.BIND_AUTO_CREATE)
         }
@@ -78,6 +86,7 @@ class AudioPlayerFragment : BaseFragment() {
         return binding.root
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
@@ -129,13 +138,8 @@ class AudioPlayerFragment : BaseFragment() {
             ).show(childFragmentManager, null)
         }
 
-        binding.thumbnail.setOnClickListener {
-            val current = PlayingQueue.getCurrent()
-            current?.let {
-                VideoOptionsBottomSheet(it.url!!.toID(), it.title!!)
-                    .show(childFragmentManager)
-            }
-        }
+        val listener = AudioPlayerThumbnailListener(binding.thumbnail, this)
+        binding.thumbnail.setOnTouchListener(listener)
 
         // Listen for track changes due to autoplay or the notification
         PlayingQueue.addOnTrackChangedListener(onTrackChangeListener)
@@ -232,4 +236,18 @@ class AudioPlayerFragment : BaseFragment() {
 
         super.onDestroy()
     }
+
+    override fun onSingleTap() {
+        val current = PlayingQueue.getCurrent()
+        VideoOptionsBottomSheet(current?.url?.toID() ?: return, current.title ?: return)
+            .show(childFragmentManager)
+    }
+
+    override fun onSwipe(distanceY: Float) {
+        Log.e("swiping", distanceY.toString())
+    }
+
+    override fun onSwipeEnd() {
+        Log.e("ended", "ended")
+    }
 }

app/src/main/java/com/github/libretube/ui/interfaces/AudioPlayerOptions.kt

@@ -0,0 +1,10 @@
+package com.github.libretube.ui.interfaces
+
+interface AudioPlayerOptions {
+
+    fun onSingleTap()
+
+    fun onSwipe(distanceY: Float)
+
+    fun onSwipeEnd()
+}

app/src/main/java/com/github/libretube/ui/listeners/AudioPlayerThumbnailListener.kt

@@ -0,0 +1,83 @@
+package com.github.libretube.ui.listeners
+
+import android.annotation.SuppressLint
+import android.os.Handler
+import android.os.Looper
+import android.view.GestureDetector
+import android.view.MotionEvent
+import android.view.View
+import androidx.core.os.postDelayed
+import com.github.libretube.ui.interfaces.AudioPlayerOptions
+import kotlin.math.abs
+
+class AudioPlayerThumbnailListener(private val view: View, private val listener: AudioPlayerOptions) :
+    View.OnTouchListener {
+
+    private val width get() = view.width
+    private val height get() = view.height
+
+    private val handler = Handler(Looper.getMainLooper())
+
+    private val gestureDetector: GestureDetector
+
+    private var isMoving = false
+
+    var wasClick = true
+
+    init {
+        gestureDetector = GestureDetector(view.context, GestureListener(), handler)
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    override fun onTouch(v: View, event: MotionEvent): Boolean {
+        if (event.action == MotionEvent.ACTION_UP && isMoving) {
+            isMoving = false
+            listener.onSwipeEnd()
+        }
+
+        runCatching {
+            gestureDetector.onTouchEvent(event)
+        }
+
+        return true
+    }
+
+    private inner class GestureListener : GestureDetector.SimpleOnGestureListener() {
+
+        override fun onDown(e: MotionEvent): Boolean {
+            // Initially assume this event is for click
+            wasClick = true
+            if (isMoving) return false
+
+            handler.postDelayed(100) {
+                if (wasClick) listener.onSingleTap()
+            }
+
+            return true
+        }
+
+        override fun onScroll(
+            e1: MotionEvent,
+            e2: MotionEvent,
+            distanceX: Float,
+            distanceY: Float
+        ): Boolean {
+            val insideThreshHold = abs(e2.y - e1.y) <= MOVEMENT_THRESHOLD
+
+            // If the movement is inside threshold or scroll is horizontal then return false
+            if (!isMoving && (insideThreshHold || abs(distanceX) > abs(distanceY))) {
+                return false
+            }
+
+            isMoving = true
+            wasClick = false
+
+            listener.onSwipe(distanceY)
+            return true
+        }
+    }
+
+    companion object {
+        private const val MOVEMENT_THRESHOLD = 10
+    }
+}

app/src/main/java/com/github/libretube/ui/views/CustomExoPlayerView.kt

@@ -196,7 +196,9 @@ internal class CustomExoPlayerView(
     }
 
     private fun cancelHideControllerTask() {
-        handler.removeCallbacksAndMessages(HIDE_CONTROLLER_TOKEN)
+        runCatching {
+            handler.removeCallbacksAndMessages(HIDE_CONTROLLER_TOKEN)
+        }
     }
 
     override fun hideController() {