Fullscreen swipe gestures

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

@@ -338,6 +338,13 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
             }
         })
 
+        if (PlayerHelper.swipeGestureEnabled) {
+            binding.playerMotionLayout.addSwipeUpListener {
+                exoPlayerView.hideController()
+                setFullscreen()
+            }
+        }
+
         binding.playerMotionLayout.progress = 1.toFloat()
         binding.playerMotionLayout.transitionToStart()
 

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

@@ -14,6 +14,8 @@ interface PlayerGestureOptions {
 
     fun onSwipeRightScreen(distanceY: Float)
 
+    fun onSwipeCenterScreen(distanceY: Float)
+
     fun onSwipeEnd()
 
     fun onZoom()

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

@@ -35,7 +35,7 @@ class PlayerGestureController(activity: BaseActivity, private val listener: Play
     private val scaleGestureDetector: ScaleGestureDetector
 
     private var isFullscreen = false
-    private var isMoving = false
+    var isMoving = false
     var isEnabled = true
 
     // Indicates last touch event was for click or other gesture, used to avoid single click
@@ -155,8 +155,9 @@ class PlayerGestureController(activity: BaseActivity, private val listener: Play
             wasClick = false
 
             when {
-                width * 0.5 > e1.x -> listener.onSwipeLeftScreen(distanceY)
+                e1.x < width * 0.4 -> listener.onSwipeLeftScreen(distanceY)
-                width * 0.5 < e1.x -> listener.onSwipeRightScreen(distanceY)
+                e1.x > width * 0.6 -> listener.onSwipeRightScreen(distanceY)
+                else -> listener.onSwipeCenterScreen(distanceY)
             }
             return true
         }

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

@@ -13,6 +13,7 @@ import android.view.View
 import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import androidx.core.os.postDelayed
 import androidx.core.view.updateLayoutParams
@@ -670,6 +671,18 @@ internal class CustomExoPlayerView(
         updateVolume(distanceY)
     }
 
+    override fun onSwipeCenterScreen(distanceY: Float) {
+        if (!PlayerHelper.swipeGestureEnabled) return
+
+        if (isControllerFullyVisible) hideController()
+
+        if (distanceY < 0) {
+            playerGestureController.isMoving = false
+            (context as? AppCompatActivity)?.onBackPressedDispatcher?.onBackPressed()
+            playerViewModel?.isFullscreen?.value = false
+        }
+    }
+
     override fun onSwipeEnd() {
         gestureViewBinding.brightnessControlView.visibility = View.GONE
         gestureViewBinding.volumeControlView.visibility = View.GONE

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

@@ -19,6 +19,7 @@ class SingleViewTouchableMotionLayout(context: Context, attributeSet: AttributeS
     private val viewRect = Rect()
     private var touchStarted = false
     private val transitionListenerList = mutableListOf<TransitionListener?>()
+    private val swipeUpListener = mutableListOf<() -> Unit>()
 
     init {
         addTransitionListener(object : TransitionListener {
@@ -87,9 +88,26 @@ class SingleViewTouchableMotionLayout(context: Context, attributeSet: AttributeS
             transitionToStart()
             return true
         }
+
+        override fun onScroll(
+            e1: MotionEvent,
+            e2: MotionEvent,
+            distanceX: Float,
+            distanceY: Float
+        ): Boolean {
+            if (progress != 0F || distanceY < 30F) return false
+            swipeUpListener.forEach {
+                it.invoke()
+            }
+            return true
+        }
     }
 
-    val gestureDetector = GestureDetector(context, Listener())
+    fun addSwipeUpListener(listener: () -> Unit) {
+        swipeUpListener.add(listener)
+    }
+
+    private val gestureDetector = GestureDetector(context, Listener())
 
     @SuppressLint("ClickableViewAccessibility")
     override fun onTouchEvent(event: MotionEvent): Boolean {