Firefoxにインストールされているアドオンのサイズなどを確認する方法。

パソ メモ

3.6用コード:

エラーコンソール上部の[コード]部に、以下のコードを貼り付け、[コードを評価]をクリック


const CI = Components.interfaces;
const CC = Components.classes;

function computeSizeRecursive(file)
{
file.QueryInterface(CI.nsIFile);
if(file.isSymlink())
{
return 0;
}

var size = file.fileSize;
if(file.isDirectory())
{
var files = file.directoryEntries;
while(files.hasMoreElements())
{
size += computeSizeRecursive(files.getNext());
}
}
return size;
}

var Application = CC["@mozilla.org/fuel/application;1"].getService(CI.fuelIApplication);

var addons = Application.extensions.all;

var extDir = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("ProfD", Components.interfaces.nsIFile);
extDir.append("extensions");

var ios = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);

var addonData = "data:text/html,"

  1. ""
  2. ""
  3. " "
  4. " "</li> <li>" Additional Addon Information"</li> <li>" "
  5. " "
  6. " "
  7. " "
  8. "
    9. "
  9. "
    10. "
  10. "
    11. "
  11. "
    12. "
  12. "
    13. ";

    addons.forEach(function(addon)
    {
    var ext = extDir.clone();
    ext.append(addon.id);

    addonData += ""

    1. "
    "
  13. "
    14. "
  14. "
    15. "
  15. "
    16. "
  16. "
    17. ";

    });

    addonData += ""

    1. "
    "
  17. " ID"
  18. "
    		19. "
  19. " Name"
  20. "
    		21. "
  21. " Size"
  22. "
    23. "
  23. " " + addon.id
  24. "
    		25. "
  25. " " + addon.name
  26. "
    		27. "
  27. " " + *1

    28. ? computeSizeRecursive(ext)
    : "Unknown")

    1. "
    "
  28. " "
  29. "";

var windowManager = CC['@mozilla.org/appshell/window-mediator;1']
.getService(CI.nsIWindowMediator);
var win = windowManager.getMostRecentWindow("navigator:browser");
win.open(addonData, "", "");

*1:ext.exists(