fix(overlay): Linux X11/XWayland stacking, stale pause state, multi-copy selector (#101)

src/main/runtime/yomitan-extension-overlay-reload.ts

@@ -1,5 +1,7 @@
 type ReloadableWebContents = {
   isDestroyed?: () => boolean;
+  isLoading?: () => boolean;
+  once?: (event: 'did-finish-load', listener: () => void) => void;
   reload: () => void;
 };
 
@@ -8,6 +10,19 @@ type ReloadableOverlayWindow = {
   webContents?: ReloadableWebContents;
 };
 
+function reloadWebContentsForYomitanContentScripts(
+  webContents: ReloadableWebContents,
+  logWarn?: (message: string, error: unknown) => void,
+): boolean {
+  try {
+    webContents.reload();
+    return true;
+  } catch (error) {
+    logWarn?.('Failed to reload overlay window after Yomitan extension load.', error);
+    return false;
+  }
+}
+
 export function reloadOverlayWindowsForYomitanContentScripts(
   windows: ReloadableOverlayWindow[],
   logWarn?: (message: string, error: unknown) => void,
@@ -23,12 +38,20 @@ export function reloadOverlayWindowsForYomitanContentScripts(
     if (!webContents || webContents.isDestroyed?.()) {
       continue;
     }
+    if (webContents.isLoading?.()) {
+      webContents.once?.('did-finish-load', () => {
+        if (window.isDestroyed() || webContents.isDestroyed?.()) {
+          return;
+        }
+        if (reloadWebContentsForYomitanContentScripts(webContents, logWarn)) {
+          reloadCount += 1;
+        }
+      });
+      continue;
+    }
 
-    try {
-      webContents.reload();
+    if (reloadWebContentsForYomitanContentScripts(webContents, logWarn)) {
       reloadCount += 1;
-    } catch (error) {
-      logWarn?.('Failed to reload overlay window after Yomitan extension load.', error);
     }
   }