Move recapture on focus gain logic to InputCaptureProvider

app/src/main/java/com/limelight/Game.java

@@ -620,23 +620,9 @@ public class Game extends Activity implements SurfaceHolder.Callback,
         // lifted while focus was not on us. Clear the modifier state.
         this.modifierFlags = 0;
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        // With Android native pointer capture, capture is lost when focus is lost,
-            // Capture is lost when focus is lost, so it must be requested again
+        // so it must be requested again when focus is regained.
-            // when focus is regained.
+        inputCaptureProvider.onWindowFocusChanged(hasFocus);
-            if (inputCaptureProvider.isCapturingEnabled() && hasFocus) {
-                // Recapture the pointer if focus was regained. On Android Q,
-                // we have to delay a bit before requesting capture because otherwise
-                // we'll hit the "requestPointerCapture called for a window that has no focus"
-                // error and it will not actually capture the cursor.
-                Handler h = new Handler();
-                h.postDelayed(new Runnable() {
-                    @Override
-                    public void run() {
-                        streamView.requestPointerCapture();
-                    }
-                }, 500);
-            }
-        }
     }
 
     private boolean isRefreshRateGoodMatch(float refreshRate) {

app/src/main/java/com/limelight/binding/input/capture/AndroidNativePointerCaptureProvider.java

@@ -3,6 +3,7 @@ package com.limelight.binding.input.capture;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.os.Build;
+import android.os.Handler;
 import android.view.InputDevice;
 import android.view.MotionEvent;
 import android.view.View;
@@ -36,6 +37,25 @@ public class AndroidNativePointerCaptureProvider extends AndroidPointerIconCaptu
         targetView.releasePointerCapture();
     }
 
+    @Override
+    public void onWindowFocusChanged(boolean focusActive) {
+        if (!focusActive || !isCapturing) {
+            return;
+        }
+
+        // Recapture the pointer if focus was regained. On Android Q,
+        // we have to delay a bit before requesting capture because otherwise
+        // we'll hit the "requestPointerCapture called for a window that has no focus"
+        // error and it will not actually capture the cursor.
+        Handler h = new Handler();
+        h.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                targetView.requestPointerCapture();
+            }
+        }, 500);
+    }
+
     @Override
     public boolean eventHasRelativeMouseAxes(MotionEvent event) {
         // SOURCE_MOUSE_RELATIVE is how SOURCE_MOUSE appears when our view has pointer capture.

app/src/main/java/com/limelight/binding/input/capture/InputCaptureProvider.java

@@ -33,4 +33,6 @@ public abstract class InputCaptureProvider {
     public float getRelativeAxisY(MotionEvent event) {
         return 0;
     }
+
+    public void onWindowFocusChanged(boolean focusActive) {}
 }