From d6a3825a383e13b34c03c0b36e393da52bf8cf89 Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Sat, 9 May 2020 18:36:00 +0300
Subject: Modifier key platform names (#519)
* wip
* add environment class
* use Environment class
* use Environment for scanning modifier options
* remove Environment in favor of API
* await promise
* use modifier symbols on macOS
* fix key separator issues
* if else to switch
* simplify variable names
---
ext/mixed/js/environment.js | 114 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 114 insertions(+)
create mode 100644 ext/mixed/js/environment.js
(limited to 'ext/mixed/js')
diff --git a/ext/mixed/js/environment.js b/ext/mixed/js/environment.js
new file mode 100644
index 00000000..e5bc20a7
--- /dev/null
+++ b/ext/mixed/js/environment.js
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2020 Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
+class Environment {
+ constructor() {
+ this._cachedEnvironmentInfo = null;
+ }
+
+ async prepare() {
+ this._cachedEnvironmentInfo = await this._loadEnvironmentInfo();
+ }
+
+ getInfo() {
+ if (this._cachedEnvironmentInfo === null) { throw new Error('Not prepared'); }
+ return this._cachedEnvironmentInfo;
+ }
+
+ async _loadEnvironmentInfo() {
+ const browser = await this._getBrowser();
+ const platform = await new Promise((resolve) => chrome.runtime.getPlatformInfo(resolve));
+ const modifierInfo = this._getModifierInfo(browser, platform.os);
+ return {
+ browser,
+ platform: {
+ os: platform.os
+ },
+ modifiers: modifierInfo
+ };
+ }
+
+ async _getBrowser() {
+ if (EXTENSION_IS_BROWSER_EDGE) {
+ return 'edge';
+ }
+ if (typeof browser !== 'undefined') {
+ try {
+ const info = await browser.runtime.getBrowserInfo();
+ if (info.name === 'Fennec') {
+ return 'firefox-mobile';
+ }
+ } catch (e) {
+ // NOP
+ }
+ return 'firefox';
+ } else {
+ return 'chrome';
+ }
+ }
+
+ _getModifierInfo(browser, os) {
+ let osKeys;
+ let separator;
+ switch (os) {
+ case 'win':
+ separator = ' + ';
+ osKeys = [
+ ['alt', 'Alt'],
+ ['ctrl', 'Ctrl'],
+ ['shift', 'Shift'],
+ ['meta', 'Windows']
+ ];
+ break;
+ case 'mac':
+ separator = '';
+ osKeys = [
+ ['alt', '⌥'],
+ ['ctrl', '⌃'],
+ ['shift', '⇧'],
+ ['meta', '⌘']
+ ];
+ break;
+ case 'linux':
+ case 'openbsd':
+ case 'cros':
+ case 'android':
+ separator = ' + ';
+ osKeys = [
+ ['alt', 'Alt'],
+ ['ctrl', 'Ctrl'],
+ ['shift', 'Shift'],
+ ['meta', 'Super']
+ ];
+ break;
+ default:
+ throw new Error(`Invalid OS: ${os}`);
+ }
+
+ const isFirefox = (browser === 'firefox' || browser === 'firefox-mobile');
+ const keys = [];
+
+ for (const [value, name] of osKeys) {
+ // Firefox doesn't support event.metaKey on platforms other than macOS
+ if (value === 'meta' && isFirefox && os !== 'mac') { continue; }
+ keys.push({value, name});
+ }
+
+ return {keys, separator};
+ }
+}
--
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