82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { Session, DesktopCapturerSource, IpcMainEvent } from 'electron';
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import { desktopCapturer, ipcMain, systemPreferences } from 'electron';
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import { v4 as generateUuid } from 'uuid';
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import OS from '../ts/util/os/osMain';
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import type { LoggerType } from '../ts/types/Logging';
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import { strictAssert } from '../ts/util/assert';
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import { type IpcResponseType } from '../ts/util/desktopCapturer';
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const SPELL_CHECKER_DICTIONARY_DOWNLOAD_URL = `https://updates.signal.org/desktop/hunspell_dictionaries/${process.versions.electron}/`;
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export function updateDefaultSession(
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session: Session,
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getLogger: () => LoggerType
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): void {
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session.setSpellCheckerDictionaryDownloadURL(
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SPELL_CHECKER_DICTIONARY_DOWNLOAD_URL
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);
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session.setDisplayMediaRequestHandler(
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async (request, callback) => {
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const { frame, videoRequested, audioRequested } = request;
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try {
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strictAssert(videoRequested, 'Not requesting video');
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strictAssert(!audioRequested, 'Requesting audio');
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// macOS: if screen sharing is actively denied, Sonoma will crash
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// when we try to get the sources.
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if (
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OS.isMacOS() &&
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systemPreferences.getMediaAccessStatus('screen') === 'denied'
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) {
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callback({});
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return;
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}
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const sources = await desktopCapturer.getSources({
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fetchWindowIcons: true,
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thumbnailSize: { height: 102, width: 184 },
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types: ['screen', 'window'],
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});
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// Wayland already shows a window/screen selection modal so we just
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// have to go with the source that we were given.
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if (OS.isLinux() && OS.isWaylandEnabled() && sources.length === 1) {
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callback({ video: sources[0] });
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return;
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}
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const id = generateUuid();
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ipcMain.once(
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`select-capture-sources:${id}:response`,
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(_event: IpcMainEvent, stream: DesktopCapturerSource | undefined) => {
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try {
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callback({ video: stream });
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} catch {
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// Don't let Electron errors crash the app
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}
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}
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);
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frame?.send('select-capture-sources', {
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id,
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sources,
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} satisfies IpcResponseType);
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} catch (error) {
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try {
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callback({});
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} catch {
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// Electron throws error here, but this is the only way to cancel the
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// request.
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}
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getLogger().error('Failed to get desktopCapturer sources', error);
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}
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},
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{ useSystemPicker: false }
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);
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}
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