fluxer/fluxer_app/src/stores/MessageFocusStore.tsx
2026-02-17 12:22:36 +00:00

111 lines
3.2 KiB
TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer 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, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import type {MessageRecord} from '@app/records/MessageRecord';
import KeyboardModeStore from '@app/stores/KeyboardModeStore';
import MessageStore from '@app/stores/MessageStore';
import {autorun, makeAutoObservable} from 'mobx';
class MessageFocusStore {
focusedChannelId: string | null = null;
focusedMessageId: string | null = null;
focusedMessage: MessageRecord | null = null;
retainFocus = false;
constructor() {
makeAutoObservable(this, {}, {autoBind: true});
autorun(() => {
if (!KeyboardModeStore.keyboardModeEnabled) {
this.clearFocus();
}
});
}
focusMessage(channelId: string, messageId: string, message?: MessageRecord): void {
if (!KeyboardModeStore.keyboardModeEnabled) {
return;
}
if (this.focusedChannelId === channelId && this.focusedMessageId === messageId) {
this.retainFocus = false;
if (message) {
this.focusedMessage = message;
}
return;
}
this.focusedChannelId = channelId;
this.focusedMessageId = messageId;
this.focusedMessage = message ?? null;
this.retainFocus = false;
}
blurMessage(channelId: string, messageId: string): void {
if (this.focusedChannelId !== channelId || this.focusedMessageId !== messageId) {
return;
}
if (this.retainFocus) {
return;
}
this.clearFocus();
}
holdContextFocus(channelId: string, messageId: string, message?: MessageRecord): void {
if (!KeyboardModeStore.keyboardModeEnabled) {
return;
}
this.focusMessage(channelId, messageId, message);
this.retainFocus = true;
}
releaseContextFocus(channelId: string, messageId: string): void {
if (this.focusedChannelId === channelId && this.focusedMessageId === messageId && this.retainFocus) {
this.retainFocus = false;
}
}
clearFocusedMessageIfMatches(channelId: string, messageId: string): void {
if (this.focusedChannelId === channelId && this.focusedMessageId === messageId) {
this.clearFocus();
}
}
clearFocus(): void {
this.focusedChannelId = null;
this.focusedMessageId = null;
this.focusedMessage = null;
this.retainFocus = false;
}
getFocusedMessage(): MessageRecord | null {
if (
this.focusedMessage &&
this.focusedMessageId === this.focusedMessage.id &&
this.focusedChannelId === this.focusedMessage.channelId
) {
return this.focusedMessage;
}
if (!this.focusedChannelId || !this.focusedMessageId) {
return null;
}
return MessageStore.getMessage(this.focusedChannelId, this.focusedMessageId) ?? null;
}
}
export default new MessageFocusStore();