1 files changed, 114 insertions, 0 deletions

diff --git a/packages/renderer/src/components/locationBar/UrlOverlay.tsx b/packages/renderer/src/components/locationBar/UrlOverlay.tsx
new file mode 100644
index 0000000..eaa86d2
--- /dev/null
+++ b/packages/renderer/src/components/locationBar/UrlOverlay.tsx
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C)  2022 Kristóf Marussy <kristof@marussy.com>
+ *
+ * This file is part of Sophie.
+ *
+ * Sophie is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { styled } from '@mui/material/styles';
+import React from 'react';
+
+import getAlertColor from './getAlertColor.js';
+
+export type SplitResult =
+  | {
+      type: 'hostOnly';
+      prefix: string;
+      host: string;
+      suffix: string;
+    }
+  | {
+      type: 'wholeString';
+      value: string;
+    }
+  | {
+      type: 'empty';
+    };
+
+function splitUrl(urlString: string | undefined): SplitResult {
+  if (urlString === undefined || urlString === '') {
+    return { type: 'empty' };
+  }
+  let url: URL;
+  try {
+    url = new URL(urlString);
+  } catch {
+    return { type: 'wholeString', value: urlString };
+  }
+  const { protocol, host, username, password, pathname, search, hash } = url;
+  if (host !== '') {
+    return {
+      type: 'hostOnly',
+      prefix: `${protocol}//${
+        username === ''
+          ? ''
+          : `${username}${password === '' ? '' : `:${password}`}@`
+      }`,
+      host,
+      suffix: `${pathname}${search}${hash}`,
+    };
+  }
+  return { type: 'wholeString', value: urlString };
+}
+
+const PrimaryFragment = styled('span', {
+  name: 'LocationOverlayInput',
+  slot: 'PrimaryFragment',
+  shouldForwardProp: (prop) => prop !== 'alert',
+})<{ alert: boolean }>(({ theme, alert }) => ({
+  color: getAlertColor(theme, alert),
+}));
+
+const SecondaryFragment = styled('span', {
+  name: 'LocationOverlayInput',
+  slot: 'SecondaryFragment',
+})(({ theme }) => ({
+  color: theme.palette.text.secondary,
+}));
+
+export default function UrlOverlay({
+  url,
+  alert,
+}: {
+  url: string | undefined;
+  alert: boolean;
+}): JSX.Element {
+  const splitResult = splitUrl(url);
+  const { type } = splitResult;
+  switch (type) {
+    case 'hostOnly': {
+      const { prefix, host, suffix } = splitResult;
+      return (
+        <>
+          <SecondaryFragment>{prefix}</SecondaryFragment>
+          <PrimaryFragment alert={alert}>{host}</PrimaryFragment>
+          <SecondaryFragment>{suffix}</SecondaryFragment>
+        </>
+      );
+    }
+    case 'wholeString': {
+      const { value } = splitResult;
+      return <PrimaryFragment alert={alert}>{value}</PrimaryFragment>;
+    }
+    case 'empty':
+      return <PrimaryFragment alert={alert} />;
+    default:
+      /* eslint-disable-next-line @typescript-eslint/restrict-template-expressions --
+        Error handling for impossible case.
+      */
+      throw new Error(`Unexpected SplitResult: ${type}`);
+  }
+}