Implemented FutoVideoPlayer loader.

app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayer.kt

@@ -1,5 +1,6 @@
 package com.futo.platformplayer.views.video
 
+import android.animation.ValueAnimator
 import android.content.Context
 import android.content.Intent
 import android.content.res.Resources
@@ -44,8 +45,11 @@ import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StatePlayer
 import com.futo.platformplayer.views.behavior.GestureControlView
+import com.futo.platformplayer.views.others.ProgressBar
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import java.util.concurrent.Executors
@@ -150,6 +154,11 @@ class FutoVideoPlayer : FutoVideoPlayerBase {
 
     val onChapterClicked = Event1<IChapter>();
 
+    private val loaderOverlay: FrameLayout
+    private val loaderIndeterminate: android.widget.ProgressBar
+    private val loaderDeterminate: android.widget.ProgressBar
+    private var determinateAnimator: ValueAnimator? = null
+
     @OptIn(UnstableApi::class)
     constructor(context: Context, attrs: AttributeSet? = null) : super(PLAYER_STATE_NAME, context, attrs) {
         LayoutInflater.from(context).inflate(R.layout.video_view, this, true);
@@ -190,6 +199,14 @@ class FutoVideoPlayer : FutoVideoPlayerBase {
         _control_duration_fullscreen = _videoControls_fullscreen.findViewById(R.id.text_duration);
         _control_pause_fullscreen = _videoControls_fullscreen.findViewById(R.id.button_pause);
 
+        loaderOverlay = findViewById(R.id.loader_overlay)
+        loaderIndeterminate = findViewById(R.id.loader_indeterminate)
+        loaderDeterminate = findViewById(R.id.loader_determinate)
+
+        loaderOverlay.visibility = View.GONE
+        loaderIndeterminate.visibility = View.GONE
+        loaderDeterminate.visibility = View.GONE
+
         _control_chapter.setOnClickListener {
             _currentChapter?.let {
                 onChapterClicked.emit(it);
@@ -865,4 +882,35 @@ class FutoVideoPlayer : FutoVideoPlayerBase {
     override fun onSurfaceSizeChanged(width: Int, height: Int) {
         gestureControl.resetZoomPan()
     }
+
+    override fun setLoading(isLoading: Boolean) {
+        determinateAnimator?.cancel()
+        if (isLoading) {
+            loaderOverlay.visibility = View.VISIBLE
+            loaderIndeterminate.visibility = View.VISIBLE
+            loaderDeterminate.visibility = View.GONE
+        } else {
+            loaderOverlay.visibility = View.GONE
+            loaderIndeterminate.visibility = View.GONE
+            loaderDeterminate.visibility = View.GONE
+        }
+    }
+
+    override fun setLoading(expectedDurationMs: Int) {
+        determinateAnimator?.cancel()
+
+        loaderOverlay.visibility = View.VISIBLE
+        loaderIndeterminate.visibility = View.GONE
+        loaderDeterminate.visibility = View.VISIBLE
+        loaderDeterminate.max = expectedDurationMs
+        loaderDeterminate.progress = 0
+
+        determinateAnimator = ValueAnimator.ofInt(0, expectedDurationMs).apply {
+            duration = expectedDurationMs.toLong()
+            addUpdateListener { anim ->
+                loaderDeterminate.progress = anim.animatedValue as Int
+            }
+            start()
+        }
+    }
 }

app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt

@@ -65,6 +65,8 @@ import com.futo.platformplayer.views.video.datasources.JSHttpDataSource
 import getHttpDataSourceFactory
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.ByteArrayInputStream
@@ -573,7 +575,17 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
                     val plugin = videoSource.getUnderlyingPlugin() ?: return@launch;
                     startId = plugin.getUnderlyingPlugin()?.runtimeId ?: -1;
                     val generatedDef = plugin.busy { videoSource.generateAsync(scope); };
+                    withContext(Dispatchers.Main) {
+                        if (generatedDef.estDuration >= 0) {
+                            setLoading(generatedDef.estDuration)
+                        } else {
+                            setLoading(true)
+                        }
+                    }
                     val generated = generatedDef.await();
+                    withContext(Dispatchers.Main) {
+                        setLoading(false)
+                    }
                     if (generated != null) {
                         withContext(Dispatchers.Main) {
                             val dataSource = if(videoSource is JSSource && (videoSource.requiresCustomDatasource))
@@ -610,6 +622,10 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
                 }
                 catch(ex: Throwable) {
                     Logger.e(TAG, "DashRaw generator failed", ex);
+                } finally {
+                    withContext(Dispatchers.Main) {
+                        setLoading(false)
+                    }
                 }
             }
             return false;
@@ -702,7 +718,17 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
                     val plugin = audioSource.getUnderlyingPlugin() ?: return@launch;
                     startId = audioSource.getUnderlyingPlugin()?.getUnderlyingPlugin()?.runtimeId ?: -1;
                     val generatedDef = plugin.busy { audioSource.generateAsync(scope); }
+                    withContext(Dispatchers.Main) {
+                        if (generatedDef.estDuration >= 0) {
+                            setLoading(generatedDef.estDuration)
+                        } else {
+                            setLoading(true)
+                        }
+                    }
                     val generated = generatedDef.await();
+                    withContext(Dispatchers.Main) {
+                        setLoading(false)
+                    }
                     if(generated != null) {
                         val dataSource = if(audioSource is JSSource && (audioSource.requiresCustomDatasource))
                             audioSource.getHttpDataSourceFactory()
@@ -729,6 +755,10 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
                 }
                 catch(ex: Throwable) {
 
+                } finally {
+                    withContext(Dispatchers.Main) {
+                        setLoading(false)
+                    }
                 }
             }
             return false;
@@ -938,6 +968,9 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
         }
     }
 
+    protected open fun setLoading(isLoading: Boolean) { }
+    protected open fun setLoading(expectedDurationMs: Int) { }
+
     companion object {
         val DEFAULT_USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0";
 

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

@@ -64,4 +64,36 @@
             app:controller_layout_id="@layout/video_player_ui_fullscreen"
             android:visibility="gone" />
     </FrameLayout>
+
+    <FrameLayout
+        android:id="@+id/loader_overlay"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginBottom="6dp"
+        android:background="@color/black"
+        android:clickable="true"
+        android:focusable="true"
+        android:visibility="gone">
+
+        <ProgressBar
+            android:id="@+id/loader_indeterminate"
+            style="?android:attr/progressBarStyleLarge"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:indeterminate="true"
+            android:visibility="gone" />
+
+        <ProgressBar
+            android:id="@+id/loader_determinate"
+            style="@android:style/Widget.ProgressBar.Horizontal"
+            android:layout_width="200dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:indeterminate="false"
+            android:max="100"
+            android:progress="0"
+            android:visibility="gone"/>
+</FrameLayout>
+
 </androidx.constraintlayout.widget.ConstraintLayout>