summaryrefslogtreecommitdiff
path: root/ext/js/media/media-utility.js
diff options
context:
space:
mode:
authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2021-02-14 11:19:54 -0500
committerGitHub <noreply@github.com>2021-02-14 11:19:54 -0500
commite419a418f6f03ef0a24330b67e7b76c5e3a7c22d (patch)
treea4c27bdfabc9280d9f6262d93d5152a58de8bc15 /ext/js/media/media-utility.js
parent43d1457ebfe23196348649c245dfb942a0f00a1a (diff)
Move bg/js (#1387)
* Move bg/js/anki.js to js/comm/anki.js * Move bg/js/mecab.js to js/comm/mecab.js * Move bg/js/search-main.js to js/display/search-main.js * Move bg/js/template-patcher.js to js/templates/template-patcher.js * Move bg/js/template-renderer-frame-api.js to js/templates/template-renderer-frame-api.js * Move bg/js/template-renderer-frame-main.js to js/templates/template-renderer-frame-main.js * Move bg/js/template-renderer-proxy.js to js/templates/template-renderer-proxy.js * Move bg/js/template-renderer.js to js/templates/template-renderer.js * Move bg/js/media-utility.js to js/media/media-utility.js * Move bg/js/native-simple-dom-parser.js to js/dom/native-simple-dom-parser.js * Move bg/js/simple-dom-parser.js to js/dom/simple-dom-parser.js * Move bg/js/audio-downloader.js to js/media/audio-downloader.js * Move bg/js/deinflector.js to js/language/deinflector.js * Move bg/js/backend.js to js/background/backend.js * Move bg/js/translator.js to js/language/translator.js * Move bg/js/search-display-controller.js to js/display/search-display-controller.js * Move bg/js/request-builder.js to js/background/request-builder.js * Move bg/js/text-source-map.js to js/general/text-source-map.js * Move bg/js/clipboard-reader.js to js/comm/clipboard-reader.js * Move bg/js/clipboard-monitor.js to js/comm/clipboard-monitor.js * Move bg/js/query-parser.js to js/display/query-parser.js * Move bg/js/profile-conditions.js to js/background/profile-conditions.js * Move bg/js/dictionary-database.js to js/language/dictionary-database.js * Move bg/js/dictionary-importer.js to js/language/dictionary-importer.js * Move bg/js/anki-note-builder.js to js/data/anki-note-builder.js * Move bg/js/anki-note-data.js to js/data/anki-note-data.js * Move bg/js/database.js to js/data/database.js * Move bg/js/json-schema.js to js/data/json-schema.js * Move bg/js/options.js to js/data/options-util.js * Move bg/js/background-main.js to js/background/background-main.js * Move bg/js/permissions-util.js to js/data/permissions-util.js * Move bg/js/context-main.js to js/pages/action-popup-main.js * Move bg/js/generic-page-main.js to js/pages/generic-page-main.js * Move bg/js/info-main.js to js/pages/info-main.js * Move bg/js/permissions-main.js to js/pages/permissions-main.js * Move bg/js/welcome-main.js to js/pages/welcome-main.js
Diffstat (limited to 'ext/js/media/media-utility.js')
-rw-r--r--ext/js/media/media-utility.js132
1 files changed, 132 insertions, 0 deletions
diff --git a/ext/js/media/media-utility.js b/ext/js/media/media-utility.js
new file mode 100644
index 00000000..b4fbe04d
--- /dev/null
+++ b/ext/js/media/media-utility.js
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2020-2021 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/>.
+ */
+
+/**
+ * MediaUtility is a class containing helper methods related to media processing.
+ */
+class MediaUtility {
+ /**
+ * Gets the file extension of a file path. URL search queries and hash
+ * fragments are not handled.
+ * @param path The path to the file.
+ * @returns The file extension, including the '.', or an empty string
+ * if there is no file extension.
+ */
+ getFileNameExtension(path) {
+ const match = /\.[^./\\]*$/.exec(path);
+ return match !== null ? match[0] : '';
+ }
+
+ /**
+ * Gets an image file's media type using a file path.
+ * @param path The path to the file.
+ * @returns The media type string if it can be determined from the file path,
+ * otherwise null.
+ */
+ getImageMediaTypeFromFileName(path) {
+ switch (this.getFileNameExtension(path).toLowerCase()) {
+ case '.apng':
+ return 'image/apng';
+ case '.bmp':
+ return 'image/bmp';
+ case '.gif':
+ return 'image/gif';
+ case '.ico':
+ case '.cur':
+ return 'image/x-icon';
+ case '.jpg':
+ case '.jpeg':
+ case '.jfif':
+ case '.pjpeg':
+ case '.pjp':
+ return 'image/jpeg';
+ case '.png':
+ return 'image/png';
+ case '.svg':
+ return 'image/svg+xml';
+ case '.tif':
+ case '.tiff':
+ return 'image/tiff';
+ case '.webp':
+ return 'image/webp';
+ default:
+ return null;
+ }
+ }
+
+ /**
+ * Gets the file extension for a corresponding media type.
+ * @param mediaType The media type to use.
+ * @returns A file extension including the dot for the media type,
+ * otherwise null.
+ */
+ getFileExtensionFromImageMediaType(mediaType) {
+ switch (mediaType) {
+ case 'image/apng':
+ return '.apng';
+ case 'image/bmp':
+ return '.bmp';
+ case 'image/gif':
+ return '.gif';
+ case 'image/x-icon':
+ return '.ico';
+ case 'image/jpeg':
+ return '.jpeg';
+ case 'image/png':
+ return '.png';
+ case 'image/svg+xml':
+ return '.svg';
+ case 'image/tiff':
+ return '.tiff';
+ case 'image/webp':
+ return '.webp';
+ default:
+ return null;
+ }
+ }
+
+ /**
+ * Gets the file extension for a corresponding media type.
+ * @param mediaType The media type to use.
+ * @returns A file extension including the dot for the media type,
+ * otherwise null.
+ */
+ getFileExtensionFromAudioMediaType(mediaType) {
+ switch (mediaType) {
+ case 'audio/mpeg':
+ case 'audio/mp3':
+ return '.mp3';
+ case 'audio/mp4':
+ return '.mp4';
+ case 'audio/ogg':
+ case 'audio/vorbis':
+ return '.ogg';
+ case 'audio/vnd.wav':
+ case 'audio/wave':
+ case 'audio/wav':
+ case 'audio/x-wav':
+ case 'audio/x-pn-wav':
+ return '.wav';
+ case 'audio/flac':
+ return '.flac';
+ case 'audio/webm':
+ return '.webm';
+ default:
+ return null;
+ }
+ }
+}