1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) 2021-2022 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 { ipcRenderer } from 'electron';
import type { IJsonPatch } from 'mobx-state-tree';
import {
MainToRendererIpcMessage,
RendererToMainIpcMessage,
sharedStore,
SharedStoreListener,
SharedStoreSnapshotIn,
SophieRenderer
} from '@sophie/shared';
export type MessageSender = (channel: RendererToMainIpcMessage, ...args: unknown[]) => void;
export class SophieRendererImpl implements SophieRenderer {
readonly #send: MessageSender;
#listener: SharedStoreListener | null = null;
#snapshot: SharedStoreSnapshotIn | null = null;
constructor(send: MessageSender) {
this.#send = send;
}
sharedStoreSnapshotReceived(snapshot: unknown): void {
if (sharedStore.is(snapshot)) {
if (this.#listener === null) {
this.#snapshot = snapshot;
} else {
this.#listener.onSnapshot(snapshot);
}
} else {
console.error('Received invalid snapshot', snapshot);
this.#snapshot = null;
}
}
sharedStorePatchReceived(patch: unknown): void {
if (this.#listener !== null) {
// `mobx-state-tree` will validate the patch, so we can safely cast here.
this.#listener.onPatch(patch as IJsonPatch);
}
}
setSharedStoreListener(listener: SharedStoreListener): void {
this.#listener = listener;
if (this.#snapshot !== null) {
listener.onSnapshot(this.#snapshot);
this.#snapshot = null;
}
this.#send(RendererToMainIpcMessage.SharedStoreSnapshotRequest);
}
buttonClick(): void {
this.#send(RendererToMainIpcMessage.ButtonClick);
}
}
export function createSophieRenderer(): SophieRenderer {
const impl = new SophieRendererImpl(ipcRenderer.send);
ipcRenderer.on(MainToRendererIpcMessage.SharedStoreSnapshot, (_event, snapshot) => {
impl.sharedStoreSnapshotReceived(snapshot);
});
ipcRenderer.on(MainToRendererIpcMessage.SharedStorePatch, (_event, patch) => {
impl.sharedStorePatchReceived(patch);
});
return {
setSharedStoreListener: impl.setSharedStoreListener.bind(impl),
buttonClick: impl.buttonClick.bind(impl),
};
}
|