Fix Windows Anki startup and overlay regressions (#128)

src/main/runtime/windows-overlay-pointer-interaction.test.ts

@@ -0,0 +1,137 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  isCursorOverWindowsOverlayInteractiveRect,
+  resolveDesiredWindowsOverlayInteractive,
+  tickWindowsOverlayPointerInteraction,
+  type WindowsOverlayPointerInteractionDeps,
+} from './windows-overlay-pointer-interaction';
+import type { OverlayContentMeasurement } from '../../types';
+
+const BOUNDS = { x: 100, y: 100, width: 1920, height: 1080 };
+const MEASUREMENT: OverlayContentMeasurement = {
+  layer: 'visible',
+  measuredAtMs: 1,
+  viewport: { width: 1920, height: 1080 },
+  contentRect: { x: 800, y: 900, width: 320, height: 80 },
+};
+
+function makeDeps(overrides: Partial<WindowsOverlayPointerInteractionDeps>): {
+  deps: WindowsOverlayPointerInteractionDeps;
+  state: { active: boolean };
+} {
+  const state = { active: false };
+  const deps: WindowsOverlayPointerInteractionDeps = {
+    getVisibleOverlayVisible: () => true,
+    getMainWindow: () => ({
+      isDestroyed: () => false,
+      isVisible: () => true,
+      getBounds: () => BOUNDS,
+    }),
+    getCursorScreenPoint: () => ({ x: 1000, y: 1040 }),
+    getSubtitleMeasurement: () => MEASUREMENT,
+    shouldSuspend: () => false,
+    getInteractionActive: () => state.active,
+    setInteractionActive: (active) => {
+      state.active = active;
+    },
+    ...overrides,
+  };
+  return { deps, state };
+}
+
+test('isCursorOverWindowsOverlayInteractiveRect hit-tests measured overlay rects', () => {
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 1000, y: 1040 }, BOUNDS, MEASUREMENT),
+    true,
+  );
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 500, y: 1040 }, BOUNDS, MEASUREMENT),
+    false,
+  );
+});
+
+test('isCursorOverWindowsOverlayInteractiveRect scales viewport px to window px', () => {
+  const scaled = { ...BOUNDS, width: 3840, height: 2160 };
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 1700, y: 1900 }, scaled, MEASUREMENT),
+    true,
+  );
+});
+
+test('isCursorOverWindowsOverlayInteractiveRect uses separate interactive rects', () => {
+  const measurement: OverlayContentMeasurement = {
+    layer: 'visible',
+    measuredAtMs: 1,
+    viewport: { width: 1920, height: 1080 },
+    contentRect: { x: 700, y: 40, width: 520, height: 940 },
+    interactiveRects: [
+      { x: 700, y: 40, width: 520, height: 80 },
+      { x: 760, y: 900, width: 400, height: 80 },
+    ],
+  };
+
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 900, y: 300 }, BOUNDS, measurement),
+    false,
+  );
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 900, y: 180 }, BOUNDS, measurement),
+    true,
+  );
+  assert.equal(
+    isCursorOverWindowsOverlayInteractiveRect({ x: 900, y: 1060 }, BOUNDS, measurement),
+    true,
+  );
+});
+
+test('resolveDesiredWindowsOverlayInteractive: interactive over subtitle, passthrough off it', () => {
+  assert.equal(resolveDesiredWindowsOverlayInteractive(makeDeps({}).deps), true);
+  assert.equal(
+    resolveDesiredWindowsOverlayInteractive(
+      makeDeps({ getCursorScreenPoint: () => ({ x: 200, y: 200 }) }).deps,
+    ),
+    false,
+  );
+});
+
+test('resolveDesiredWindowsOverlayInteractive returns null while another surface owns input', () => {
+  assert.equal(
+    resolveDesiredWindowsOverlayInteractive(makeDeps({ shouldSuspend: () => true }).deps),
+    null,
+  );
+  assert.equal(
+    resolveDesiredWindowsOverlayInteractive(makeDeps({ getMainWindow: () => null }).deps),
+    null,
+  );
+});
+
+test('tickWindowsOverlayPointerInteraction toggles only the fallback-owned state', () => {
+  const calls: boolean[] = [];
+  const { deps, state } = makeDeps({
+    setInteractionActive: (active) => {
+      calls.push(active);
+      state.active = active;
+    },
+  });
+
+  tickWindowsOverlayPointerInteraction(deps);
+  tickWindowsOverlayPointerInteraction(deps);
+  assert.deepEqual(calls, [true]);
+
+  deps.getCursorScreenPoint = () => ({ x: 200, y: 200 });
+  tickWindowsOverlayPointerInteraction(deps);
+  assert.deepEqual(calls, [true, false]);
+});
+
+test('tickWindowsOverlayPointerInteraction leaves renderer-owned state alone while suspended', () => {
+  const calls: boolean[] = [];
+  const { deps } = makeDeps({
+    getInteractionActive: () => true,
+    shouldSuspend: () => true,
+    setInteractionActive: (active) => calls.push(active),
+  });
+
+  tickWindowsOverlayPointerInteraction(deps);
+  assert.deepEqual(calls, []);
+});