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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsIServiceManager.h"
#include "nsCommonBaseCID.h"
#include "nsComponentManagerExtra.h"
#include "mozilla/Services.h"
#include "nsXULAppAPI.h"

static already_AddRefed<nsIFile> CloneAndAppend(nsIFile* aBase,
                                                const nsACString& aAppend) {
  nsCOMPtr<nsIFile> f;
  aBase->Clone(getter_AddRefs(f));
  if (!f) {
    return nullptr;
  }

  f->AppendNative(aAppend);
  return f.forget();
}

NS_IMPL_ISUPPORTS(nsComponentManagerExtra, nsIComponentManagerExtra)

NS_IMETHODIMP nsComponentManagerExtra::AddLegacyExtensionManifestLocation(
    nsIFile* aLocation) {
  nsString path;
  nsresult rv = aLocation->GetPath(path);
  if (NS_FAILED(rv)) {
    return rv;
  }

  if (Substring(path, path.Length() - 4).EqualsLiteral(".xpi")) {
    return XRE_AddJarManifestLocation(NS_EXTENSION_LOCATION, aLocation);
  }

  nsCOMPtr<nsIFile> manifest =
      CloneAndAppend(aLocation, NS_LITERAL_CSTRING("chrome.manifest"));
  return XRE_AddManifestLocation(NS_EXTENSION_LOCATION, manifest);
}

nsComponentManagerExtra::~nsComponentManagerExtra() {}