toolkit/components/credentialmanagement/CredentialChosenCallback.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MOZILLA_CREDENTIALCHOSENCALLBACK_H_
   8 #define MOZILLA_CREDENTIALCHOSENCALLBACK_H_
   9
  10 #include "nsICredentialChosenCallback.h"
  11 #include "nsINamed.h"
  12 #include "nsStringFwd.h"
  13 #include "nsTArray.h"
  14
  15 #include "mozilla/dom/IdentityCredentialSerializationHelpers.h"
  16 #include "mozilla/dom/Promise.h"
  17
  18 namespace mozilla {
  19
  20 using dom::IPCIdentityCredential;
  21 using dom::Promise;
  22
  23 class CredentialChosenCallback final : public nsICredentialChosenCallback,
  24                                        public nsINamed {
  25  public:
  26   explicit CredentialChosenCallback(
  27       CopyableTArray<IPCIdentityCredential>&& aOptions,
  28       const RefPtr<MozPromise<IPCIdentityCredential, nsresult, true>::Private>&
  29           aResult)
  30       : mOptions(aOptions), mResult(aResult) {}
  31
  32   NS_IMETHOD
  33   Notify(const nsACString& aCredential) override;
  34
  35   NS_IMETHOD
  36   GetName(nsACString& aName) override;
  37
  38   NS_DECL_ISUPPORTS
  39
  40  private:
  41   ~CredentialChosenCallback() {
  42     if (mResult) {
  43       mResult->Reject(NS_ERROR_FAILURE, __func__);
  44     }
  45   };
  46
  47   // mOptions is the list of credentials presented to the user in the credential
  48   // chooser. We maintain this list so we can resolve with the user's choice of
  49   // credential.
  50   CopyableTArray<IPCIdentityCredential> mOptions;
  51
  52   // mResult is a promise that will fulfill once the user has made a choice.
  53   // Dismissal is represented as a reject(NS_OK), and selection resolves with
  54   // an entry of mOptions.
  55   RefPtr<MozPromise<IPCIdentityCredential, nsresult, true>::Private> mResult;
  56 };
  57
  58 }  // namespace mozilla
  59
  60 #endif /* MOZILLA_CREDENTIALCHOSENCALLBACK_H_ */