test: an attempt to fight chromium's refresh rate decider

Author: cafeed28

app/src/main/java/com/cafeed28/omori/OmoWebView.java

@@ -5,6 +5,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.AssetManager;
+import android.hardware.display.DisplayManager;
 import android.net.Uri;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -55,9 +56,9 @@ public OmoWebView(Context context, @Nullable AttributeSet attrs, int defStyleAtt
         this(context, attrs, defStyleAttr, 0);
     }
 
-    private void setFrameRate(Window window, int frameRate) {
-        Display display = window.getWindowManager().getDefaultDisplay();
+    private void setFrameRate(Window window, Display display, int frameRate) {
         if (Math.floor(display.getRefreshRate()) == frameRate) {
+            Debug.i().log(Log.INFO, "setFrameRate: already set");
             return;
         }
 
@@ -86,13 +87,36 @@ private void setFrameRate(Window window, int frameRate) {
             var attributes = window.getAttributes();
             attributes.preferredRefreshRate = targetMode.getRefreshRate();
             window.setAttributes(attributes);
+        } else {
+            Debug.i().log(Log.WARN, "targetMode == null");
+            Toast.makeText(getContext(), "Suitable display mode not found, view logs for details", Toast.LENGTH_LONG).show();
         }
     }
 
     @SuppressLint("SetJavaScriptEnabled")
     public OmoWebView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
 
+        DisplayManager displayManager = (DisplayManager) context.getSystemService(Context.DISPLAY_SERVICE);
+        displayManager.registerDisplayListener(new DisplayManager.DisplayListener() {
+            @Override
+            public void onDisplayAdded(int displayId) {}
+
+            @Override
+            public void onDisplayRemoved(int displayId) {}
+
+            @Override
+            public void onDisplayChanged(int displayId) {
+                Debug.i().log(Log.INFO, "onDisplayChanged");
+                Display display = displayManager.getDisplay(displayId);
+
+                Activity activity = (Activity) getContext();
+                Window window = activity.getWindow();
+
+                setFrameRate(window, display, 60);
+            }
+        }, null);
+
         OmoApplication application = (OmoApplication) context.getApplicationContext();
         SharedPreferences preferences = application.getPreferences();
 
@@ -116,15 +140,16 @@ public OmoWebView(Context context, @Nullable AttributeSet attrs, int defStyleAtt
         settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
         settings.setLoadsImagesAutomatically(true);
         settings.setMediaPlaybackRequiresUserGesture(false);
+    }
 
-        if (context instanceof Activity) {
-            Activity activity = (Activity) context;
-            Window window = activity.getWindow();
-            setFrameRate(window, 60);
-        } else {
-            Debug.i().log(Log.ERROR, "failed to set frame rate, isAttachedToWindow() == false, how?");
-            Toast.makeText(getContext(), "Failed to set frame rate, view logs for details", Toast.LENGTH_LONG).show();
-        }
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+
+        Activity activity = (Activity) getContext();
+        Window window = activity.getWindow();
+
+        setFrameRate(window, getDisplay(), 60);
     }
 
     public void start() {