Video Background Play Fix

Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.

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manifest.json

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "default_locale": "en",
  "version": "1.8.1",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "applications": {
    "gecko": {
      "id": "video-bg-play@timdream.org",
      "strict_min_version": "58.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*",
        "*://*.youtube-nocookie.com/*",
        "*://*.vimeo.com/*"
      ],
      "js": [
        "video-bg-play-content.js"
      ],
      "all_frames": true
    }
  ]
}