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manifest.json

{
  "manifest_version": 2,
  "name": "Media Session API Polyfill",
  "short_name": "Media Session Polyfill",
  "version": "0.0.2",
  "description": " Adds Media Session API support to popular websites, letting you use pause/play buttons on your Linux computer.",
  "permissions": [
    "<all_urls>",
    "tabs"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "content_scripts": [
    {
      "matches": [
        "https://music.amazon.com/*"
      ],
      "js": [
        "AmazonMusicMediaSession.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.amazon.com/Amazon-Video/*",
        "https://www.amazon.com/gp/video/*",
        "https://primevideo.com/*"
      ],
      "js": [
        "AmazonPrimeVideoMediaSession.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "YoutubeMediaSession.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "listener.js"
      ],
      "match_about_blank": true,
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "media-session-polyfill@purisa.me"
    }
  }
}