wallet-core/packages/taler-wallet-webextension/src/hooks/useClipboardPermissions.ts
2023-01-04 15:46:01 -03:00

85 lines
2.4 KiB
TypeScript

/*
This file is part of GNU Taler
(C) 2022 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { TalerError } from "@gnu-taler/taler-wallet-core";
import { useEffect, useState } from "preact/hooks";
import { useBackendContext } from "../context/backend.js";
import { ToggleHandler } from "../mui/handlers.js";
import { platform } from "../platform/foreground.js";
export function useClipboardPermissions(): ToggleHandler {
const [enabled, setEnabled] = useState(false);
const [error, setError] = useState<TalerError | undefined>();
const api = useBackendContext();
const toggle = async (): Promise<void> => {
return handleClipboardPerm(enabled, setEnabled, api.background).catch(
(e) => {
setError(TalerError.fromException(e));
},
);
};
useEffect(() => {
async function getValue(): Promise<void> {
const res = await api.background.call(
"containsHeaderListener",
undefined,
);
setEnabled(res.newValue);
}
getValue();
}, []);
return {
value: enabled,
button: {
onClick: toggle,
error,
},
};
}
async function handleClipboardPerm(
isEnabled: boolean,
onChange: (value: boolean) => void,
background: ReturnType<typeof useBackendContext>["background"],
): Promise<void> {
if (!isEnabled) {
// We set permissions here, since apparently FF wants this to be done
// as the result of an input event ...
let granted: boolean;
try {
granted = await platform
.getPermissionsApi()
.requestClipboardPermissions();
} catch (lastError) {
onChange(false);
throw lastError;
}
onChange(granted);
} else {
try {
await background
.call("toggleHeaderListener", false)
.then((r) => onChange(r.newValue));
} catch (e) {
console.log(e);
}
}
return;
}