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
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
const INITIALIZED_KEY: string = 'sts_initialized';
// During development, chrome.accessibilityServicePrivate is behind a feature
// flag.
const SHOW_CONTEXT_MENU = chrome.accessibilityServicePrivate !== undefined;
// Matches one of the known GSuite apps which need the clipboard to find and
// read selected text. Includes sandbox and non-sandbox versions.
const GSUITE_APP_REGEXP =
/^https:\/\/docs\.(?:sandbox\.)?google\.com\/(?:(?:presentation)|(?:document)|(?:spreadsheets)|(?:drawings)|(?:scenes)){1}\//;
async function selectToSpeakContextMenusCallback() {
// Inform Lacros of the context menu click.
if (SHOW_CONTEXT_MENU) {
chrome.accessibilityServicePrivate.speakSelectedText();
}
}
async function clipboardCopyInActiveGoogleDoc(url: string) {
const queryOptions = {active: true, currentWindow: true};
const [tab] = await chrome.tabs.query(queryOptions);
if (tab?.id && tab.url && tab.url === url &&
GSUITE_APP_REGEXP.exec(tab.url)) {
chrome.scripting.executeScript({
target: {tabId: tab.id, allFrames: true},
files: ['embedded_a11y_helper/clipboard_copy.js'],
});
}
}
async function onSelectToSpeakChanged(
details: chrome.accessibilityFeatures.ChromeSettingsResponse) {
if (details.value) {
const initialized = await chrome.storage.session.get([INITIALIZED_KEY]);
if (initialized && initialized[INITIALIZED_KEY] === true) {
return;
}
const storageUpdate = {[INITIALIZED_KEY]: true};
chrome.storage.session.set(storageUpdate);
// Add a context menu item to selection contexts.
if (SHOW_CONTEXT_MENU) {
await chrome.contextMenus.create({
title: chrome.i18n.getMessage(
'select_to_speak_listen_context_menu_option_text'),
contexts: [chrome.contextMenus.ContextType.SELECTION],
id: 'embedded_a11y_helper',
});
}
return;
}
// Clear the context menu if there was one.
chrome.contextMenus.removeAll();
const storageUpdate = {[INITIALIZED_KEY]: false};
chrome.storage.session.set(storageUpdate);
}
async function main() {
chrome.contextMenus.onClicked.addListener(selectToSpeakContextMenusCallback);
chrome.accessibilityServicePrivate.clipboardCopyInActiveGoogleDoc.addListener(
url => clipboardCopyInActiveGoogleDoc(url));
// Set up based on current state.
const currentDetails =
await chrome.accessibilityFeatures.selectToSpeak.get({});
await onSelectToSpeakChanged(currentDetails);
// Add a listener for future changes.
chrome.accessibilityFeatures.selectToSpeak.onChange.addListener(
details => onSelectToSpeakChanged(details));
}
main();
|
