[mobile] support scroll seek

app/src/mobile/java/com/fongmi/android/tv/ui/activity/DetailActivity.java

@@ -621,9 +621,13 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
     }
 
     private void showState(int resId) {
+        showState(resId, 0);
+    }
+
+    private void showState(int resId, long time) {
         mBinding.widget.action.setImageResource(resId);
         mBinding.widget.state.setVisibility(View.VISIBLE);
-        mBinding.widget.position.setText(mPlayers.getPositionTime(0));
+        mBinding.widget.position.setText(mPlayers.getPositionTime(time));
     }
 
     private void hideState() {
@@ -872,6 +876,19 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
         adapter.notifyItemRangeChanged(0, adapter.getItemCount());
     }
 
+    @Override
+    public void onSeeking(int time) {
+        if (!isLock()) showState(time > 0 ? R.drawable.ic_widget_forward : R.drawable.ic_widget_rewind, time);
+    }
+
+    @Override
+    public void onSeekTo(int time) {
+        if (isLock()) return;
+        mPlayers.seekTo(time);
+        showProgress();
+        onPlay();
+    }
+
     @Override
     public void onSingleTap() {
         if (isVisible(mBinding.control.getRoot())) hideControl();

app/src/mobile/java/com/fongmi/android/tv/ui/custom/CustomKeyDownVod.java

@@ -12,6 +12,9 @@ public class CustomKeyDownVod extends GestureDetector.SimpleOnGestureListener {
 
     private final GestureDetector detector;
     private final Listener listener;
+    private boolean touch;
+    private boolean seek;
+    private int time;
 
     public static CustomKeyDownVod create(Context context) {
         return new CustomKeyDownVod(context);
@@ -23,9 +26,30 @@ public class CustomKeyDownVod extends GestureDetector.SimpleOnGestureListener {
     }
 
     public boolean onTouchEvent(MotionEvent e) {
+        if (seek && e.getAction() == MotionEvent.ACTION_UP) listener.onSeekTo(time);
         return detector.onTouchEvent(e);
     }
 
+    @Override
+    public boolean onDown(@NonNull MotionEvent e) {
+        touch = true;
+        seek = false;
+        return true;
+    }
+
+    @Override
+    public boolean onScroll(@NonNull MotionEvent e1, @NonNull MotionEvent e2, float distanceX, float distanceY) {
+        int deltaX = (int) (e2.getX() - e1.getX());
+        if (touch) {
+            seek = Math.abs(distanceX) >= Math.abs(distanceY);
+            touch = false;
+        }
+        if (seek) {
+            listener.onSeeking(time = deltaX * 50);
+        }
+        return true;
+    }
+
     @Override
     public boolean onDoubleTap(@NonNull MotionEvent e) {
         int base = ResUtil.getScreenWidthPx() / 3;
@@ -46,6 +70,10 @@ public class CustomKeyDownVod extends GestureDetector.SimpleOnGestureListener {
 
     public interface Listener {
 
+        void onSeeking(int time);
+
+        void onSeekTo(int time);
+
         void onSingleTap();
 
         void onDoubleTapLeft();