forked from Mirrors/gomuks
24 lines
1.1 KiB
TypeScript
24 lines
1.1 KiB
TypeScript
// gomuks - A Matrix client written in Go.
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// Copyright (C) 2024 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import { NonNullCachedEventDispatcher, useNonNullEventAsState } from "@/util/eventdispatcher.ts"
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export const focused = new NonNullCachedEventDispatcher(document.hasFocus())
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window.addEventListener("focus", () => focused.emit(true))
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window.addEventListener("blur", () => focused.emit(false))
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export default function useFocus() {
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return useNonNullEventAsState(focused)
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}
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