57 lines
2.4 KiB
TypeScript
57 lines
2.4 KiB
TypeScript
 
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/*
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* Copyright 2025 New Vector Ltd.
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*
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* SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
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* Please see LICENSE files in the repository root for full details.
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*/
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import { type Room } from "matrix-js-sdk/src/matrix";
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import dispatcher from "../../../dispatcher/dispatcher";
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import { useDispatcher } from "../../../hooks/useDispatcher";
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import { Action } from "../../../dispatcher/actions";
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import { type ViewRoomDeltaPayload } from "../../../dispatcher/payloads/ViewRoomDeltaPayload";
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import type { ViewRoomPayload } from "../../../dispatcher/payloads/ViewRoomPayload";
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import { SdkContextClass } from "../../../contexts/SDKContext";
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import { RoomNotificationStateStore } from "../../../stores/notifications/RoomNotificationStateStore";
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/**
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* Hook to navigate the room list using keyboard shortcuts.
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* It listens to the ViewRoomDelta action and updates the room list accordingly.
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* @param rooms
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*/
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export function useRoomListNavigation(rooms: Room[]): void {
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useDispatcher(dispatcher, (payload) => {
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if (payload.action !== Action.ViewRoomDelta) return;
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const roomId = SdkContextClass.instance.roomViewStore.getRoomId();
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if (!roomId) return;
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const { delta, unread } = payload as ViewRoomDeltaPayload;
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const filteredRooms = unread
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? // Filter the rooms to only include unread ones and the active room
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rooms.filter((room) => {
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const state = RoomNotificationStateStore.instance.getRoomState(room);
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return room.roomId === roomId || state.isUnread;
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})
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: rooms;
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const currentIndex = filteredRooms.findIndex((room) => room.roomId === roomId);
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if (currentIndex === -1) return;
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// Get the next/previous new room according to the delta
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// Use slice to loop on the list
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// If delta is -1 at the start of the list, it will go to the end
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// If delta is 1 at the end of the list, it will go to the start
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const [newRoom] = filteredRooms.slice((currentIndex + delta) % filteredRooms.length);
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if (!newRoom) return;
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dispatcher.dispatch<ViewRoomPayload>({
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action: Action.ViewRoom,
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room_id: newRoom.roomId,
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show_room_tile: true, // to make sure the room gets scrolled into view
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metricsTrigger: "WebKeyboardShortcut",
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metricsViaKeyboard: true,
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});
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});
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}
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