dom/permission/PermissionUtils.cpp

   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 #include "PermissionUtils.h"
   8 #include "nsIPermissionManager.h"
   9
  10 namespace mozilla::dom {
  11
  12 static const nsLiteralCString kPermissionTypes[] = {
  13     // clang-format off
  14     "geo"_ns,
  15     "desktop-notification"_ns,
  16     // Alias `push` to `desktop-notification`.
  17     "desktop-notification"_ns,
  18     "persistent-storage"_ns
  19     // clang-format on
  20 };
  21
  22 const size_t kPermissionNameCount = PermissionNameValues::Count;
  23
  24 static_assert(MOZ_ARRAY_LENGTH(kPermissionTypes) == kPermissionNameCount,
  25               "kPermissionTypes and PermissionName count should match");
  26
  27 const nsLiteralCString& PermissionNameToType(PermissionName aName) {
  28   MOZ_ASSERT((size_t)aName < ArrayLength(kPermissionTypes));
  29   return kPermissionTypes[static_cast<size_t>(aName)];
  30 }
  31
  32 Maybe<PermissionName> TypeToPermissionName(const nsACString& aType) {
  33   for (size_t i = 0; i < ArrayLength(kPermissionTypes); ++i) {
  34     if (kPermissionTypes[i].Equals(aType)) {
  35       return Some(static_cast<PermissionName>(i));
  36     }
  37   }
  38
  39   return Nothing();
  40 }
  41
  42 PermissionState ActionToPermissionState(uint32_t aAction) {
  43   switch (aAction) {
  44     case nsIPermissionManager::ALLOW_ACTION:
  45       return PermissionState::Granted;
  46
  47     case nsIPermissionManager::DENY_ACTION:
  48       return PermissionState::Denied;
  49
  50     default:
  51     case nsIPermissionManager::PROMPT_ACTION:
  52       return PermissionState::Prompt;
  53   }
  54 }
  55
  56 }  // namespace mozilla::dom