Video Previewとは何ですか？

Video Previewはhttp://www.darkyndy.comによって開発されたChromeの拡張機能で、その主な機能は「Mouse hover video thumbnail to see more images for video」です。

拡張機能のスクリーンショット

Video Preview拡張機能のCRXファイルをダウンロード

Video Preview拡張子のファイルをcrx形式でダウンロードし、ブラウザにChrome拡張機能を手動でインストールするか、crxファイルを友達と共有して簡単にChrome拡張機能をインストールします。

拡張機能の使用方法

Mouse hover one youtube video thumbnail to see more images for video and below video you can see rating.

For any issue with this extension please contact me at: darkyndy [at] gmail [dot] com

Extension permissions:
- tabs (needed to open extension options page)
- storage (needed to store extension settings)
- youtube.com (needed in order to run)
- googleapis.com (needed to retrieve video stats)

Version 2.3.1
- Remove displayed value for rating percent that is part of rating bar

Version 2.3.0
- fix rating & preview for some video where it didn't load

Version 2.2.9
- allow preview rotation speed to be set to 0, setting it to zero will disable this functionality;
- update translation

Version 2.2.8
- add support for old YouTube UI;

Version 2.2.7
- fix issue where preview image for one video is shown for other videos;

Version 2.2.6
- fix extension to work with latest YouTube HTML structure;
- fix translation for Romanian;
- update rating bar to be position at the top of thumbnail (fixes overlap issue with YouTube progress);

Version 2.2.5
- option to change color for like/dislike bar that appears bellow each thumbnail;

Version 2.2.4
- removing option to view preview images in real size, it caused more issues;

Version 2.2.3
- fix add to queue that was not displayed;
- thumbs will be shown for videos that ware under "Show more" option;
- fix rating to be shown when moving between pages that didn't needed full page reload;

Version 2.2.2

- add option to see preview images on full placeholder (and is set by default);
- localize string for new option;
- code refactor;

Version 2.2.1
- remove any YouTube reference that may impact Google policy

Version 2.2.0
- use Youtube API v3 (as v2 is deprecated);
- change rating colors to use default ones from YouTube;

Version 2.1.0
- fix rotating thumbnails for some video, as now YouTube displays webp image types;
- add option for changing rating bar height

Version 2.0.0
- sync extension settings across different computers where you - - use Google Chrome and same user;
- fix image rotation loop when you exit video thumbnail;
- improve performance for rating preview;
- add Romanian translation;
- prepare all strings to be localized;
- code re-factoring;

Version 1.3.2
- Fix video rating display for new interface;
- Improve video rating display;

Version 1.3.1
- Fix display of rating preview;

Version 1.3.0
- Change extension to use new extension API's (now it works with Google Chrome minimum version 18);
- Improve options page;
- Add about and feedback pages (you can go there from options, they will be improved);
- Initial support for multilanguage;
- Improve rating preview design;

Version 1.2.1
- You can enable/disable video rating preview from settings;

Version 1.2.0
- Now you can see bellow each video rating (if you don't see rating by default then mouse hover image, if rating still doesn't appear then that video doesn't have rating or it isn't available for you).

Version 1.1.4
- fix show initial image.

Version 1.1.3
- fix preview in channel for video section.

Version 1.1.2
- fix preview after change in YouTube HTML

Version 1.1.1
- add support for extension to work with https://www.youtube.com/

Version 1.1.0
- now works for all videos on YouTube, for Cosmic Panda, for the new interface (because image thumbnails have a greater width now and youtube doesn't provide thumbnails for that width, I use standard width of 120px so you will not see pixelated images)

Version 1.0.1:
- when you are on YouTube you will see in the url bar YouTube Preview icon from where you can change extension settings;
- you will be able to set thumbnail rotation time (default is 1000 milliseconds);

拡張機能の基本情報

名前	Video Preview
ID	hmggjocpafbpjdhoknaneokaklekakeh
公式URL	https://chrome.google.com/webstore/detail/video-preview/hmggjocpafbpjdhoknaneokaklekakeh
説明	Mouse hover video thumbnail to see more images for video
ファイルサイズ	68.65 KB
インストール数	8,189
現在のバージョン	2.3.1
最終更新日	2019-11-05
公開日	2019-11-05
評価	4.34/5 合計 236 レビュー
開発者	http://www.darkyndy.com
支払い方法	free
拡張機能のウェブサイト	https://github.com/darkyndy/YoutubeVideoPreview
ヘルプページのURL	https://github.com/darkyndy/YoutubeVideoPreview
対応言語	en,es,ro
manifest.json
{ "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx", "description": "__MSG_extensionDescription__", "icons": { "128": "videoPreview128.png", "48": "videoPreview48.png", "16": "videoPreview16.png" }, "web_accessible_resources": [ "videoPreview48.png" ], "background": { "page": "background.html" }, "content_scripts": [ { "css": [ "css\/ytvpStyle.css" ], "js": [ "js\/ytConst.js", "js\/dyDomHelper.js", "js\/dyUtils.js", "js\/properties.service.js", "js\/videoData.service.js", "js\/ytVideoPreview.js" ], "matches": [ "http:\/\/www.youtube.com\/", "https:\/\/www.youtube.com\/" ], "run_at": "document_end" } ], "page_action": { "matches": [ "http:\/\/www.youtube.com\/", "https:\/\/www.youtube.com\/" ], "default_icon": "videoPreview16.png", "default_title": "__MSG_extensionPopupTitle__", "default_popup": "popup.html" }, "options_page": "site.html", "name": "__MSG_extensionName__", "permissions": [ "tabs", "storage", "https:\/\/www.youtube.com\/", "https:\/\/www.googleapis.com\/" ], "default_locale": "en", "version": "2.3.1", "manifest_version": 2, "minimum_chrome_version": "20" }