Periodically nag the user if their device remains unverified (#33346)

* nag the user to verify their device 2 days after they dismiss the toast

* lint

* recheck doesn't need to be awaited

* call setDeviceState

apps/web/test/unit-tests/DeviceListener-test.ts

@@ -381,6 +381,50 @@ describe("DeviceListener", () => {
                 expect(SetupEncryptionToast.hideToast).toHaveBeenCalled();
             });
 
+            it("re-shows toast after two days", async () => {
+                const instance = await createAndStart();
+                expect(SetupEncryptionToast.showToast).toHaveBeenCalledTimes(1);
+
+                jest.useFakeTimers({ advanceTimers: true });
+                instance.dismissEncryptionSetup();
+                await flushPromises();
+                expect(SetupEncryptionToast.hideToast).toHaveBeenCalled();
+
+                // 1.5 days after the toast was dismissed, we don't re-show the
+                // toast yet.
+                jest.advanceTimersByTime(1.5 * 24 * 60 * 60 * 1000);
+                expect(SetupEncryptionToast.showToast).toHaveBeenCalledTimes(1);
+
+                // 2 days after the toast was dismissed, we re-show the toast.
+                jest.advanceTimersByTime(0.5 * 24 * 60 * 60 * 1000);
+                expect(SetupEncryptionToast.showToast).toHaveBeenCalledTimes(2);
+                jest.useRealTimers();
+            });
+
+            it("doesn't re-show toast if the device is now verified", async () => {
+                const instance = await createAndStart();
+                expect(SetupEncryptionToast.showToast).toHaveBeenCalledTimes(1);
+
+                jest.useFakeTimers({ advanceTimers: true });
+                instance.dismissEncryptionSetup();
+                await flushPromises();
+                expect(SetupEncryptionToast.hideToast).toHaveBeenCalled();
+
+                // If the device becomes verified before the end of two days, we
+                // don't re-show the toast.
+                mockCrypto!.getDeviceVerificationStatus.mockResolvedValue(
+                    new DeviceVerificationStatus({
+                        trustCrossSignedDevices: true,
+                        crossSigningVerified: true,
+                    }),
+                );
+                instance.recheck();
+                await flushPromises();
+                jest.advanceTimersByTime(2 * 24 * 60 * 60 * 1000);
+                expect(SetupEncryptionToast.showToast).toHaveBeenCalledTimes(1);
+                jest.useRealTimers();
+            });
+
             it("does not show any toasts when secret storage is being accessed", async () => {
                 mocked(isSecretStorageBeingAccessed).mockReturnValue(true);
                 await createAndStart();