Lock out the first tab if Element is opened in a second tab. (#11425)

* Implement session lock dialogs

* Bump analytics-events package

* clean up resetJsDomAfterEach

* fix types

* update snapshot

* update i18n strings

src/components/structures/auth/ConfirmSessionLockTheftView.tsx

@@ -0,0 +1,51 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+
+import { _t } from "../../../languageHandler";
+import SdkConfig from "../../../SdkConfig";
+import AccessibleButton from "../../views/elements/AccessibleButton";
+
+interface Props {
+    /** Callback which the view will call if the user confirms they want to use this window */
+    onConfirm: () => void;
+}
+
+/**
+ * Component shown by {@link MatrixChat} when another session is already active in the same browser and we need to
+ * confirm if we should steal its lock
+ */
+export function ConfirmSessionLockTheftView(props: Props): JSX.Element {
+    const brand = SdkConfig.get().brand;
+
+    return (
+        <div className="mx_ConfirmSessionLockTheftView">
+            <div className="mx_ConfirmSessionLockTheftView_body">
+                <p>
+                    {_t(
+                        '%(brand)s is open in another window. Click "%(label)s" to use %(brand)s here and disconnect the other window.',
+                        { brand, label: _t("action|continue") },
+                    )}
+                </p>
+
+                <AccessibleButton kind="primary" onClick={props.onConfirm}>
+                    {_t("action|continue")}
+                </AccessibleButton>
+            </div>
+        </div>
+    );
+}

src/components/structures/auth/SessionLockStolenView.tsx

@@ -0,0 +1,35 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+
+import SplashPage from "../SplashPage";
+import { _t } from "../../../languageHandler";
+import SdkConfig from "../../../SdkConfig";
+
+/**
+ * Component shown by {@link MatrixChat} when another session is started in the same browser.
+ */
+export function SessionLockStolenView(): JSX.Element {
+    const brand = SdkConfig.get().brand;
+
+    return (
+        <SplashPage className="mx_SessionLockStolenView">
+            <h1>{_t("common|error")}</h1>
+            <h2>{_t("%(brand)s has been opened in another tab.", { brand })}</h2>
+        </SplashPage>
+    );
+}