Live location sharing - beacon map in timeline (#8286)

* add displaystatus util

Signed-off-by: Kerry Archibald <kerrya@element.io>

* map fallback svg

Signed-off-by: Kerry Archibald <kerrya@element.io>

* add Map to mbeaconbody

Signed-off-by: Kerry Archibald <kerrya@element.io>

* add bubble layout handling

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test beaconbody

Signed-off-by: Kerry Archibald <kerrya@element.io>

* typo

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use randomString from js-sdk

Signed-off-by: Kerry Archibald <kerrya@element.io>

src/components/views/beacon/displayStatus.ts

@@ -0,0 +1,42 @@
+/*
+Copyright 2022 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 { BeaconLocationState } from "matrix-js-sdk/src/content-helpers";
+
+export enum BeaconDisplayStatus {
+    Loading = 'Loading',
+    Error = 'Error',
+    Stopped = 'Stopped',
+    Active = 'Active',
+}
+export const getBeaconDisplayStatus = (
+    isLive: boolean,
+    latestLocationState?: BeaconLocationState,
+    error?: Error): BeaconDisplayStatus => {
+    if (error) {
+        return BeaconDisplayStatus.Error;
+    }
+    if (!isLive) {
+        return BeaconDisplayStatus.Stopped;
+    }
+
+    if (!latestLocationState) {
+        return BeaconDisplayStatus.Loading;
+    }
+    if (latestLocationState) {
+        return BeaconDisplayStatus.Active;
+    }
+};