1 files changed, 71 insertions, 0 deletions
diff --git a/dom/permission/PermissionStatus.h b/dom/permission/PermissionStatus.h
new file mode 100644
index 0000000000..37b11d42e9
--- /dev/null
+++ b/dom/permission/PermissionStatus.h
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_PermissionStatus_h_
+#define mozilla_dom_PermissionStatus_h_
+
+#include "mozilla/dom/PermissionsBinding.h"
+#include "mozilla/dom/PermissionStatusBinding.h"
+#include "mozilla/DOMEventTargetHelper.h"
+
+namespace mozilla::dom {
+
+class PermissionObserver;
+
+class PermissionStatus : public DOMEventTargetHelper {
+  friend class PermissionObserver;
+
+ public:
+  static already_AddRefed<PermissionStatus> Create(nsPIDOMWindowInner* aWindow,
+                                                   PermissionName aName,
+                                                   ErrorResult& aRv);
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  PermissionState State() const { return mState; }
+
+  IMPL_EVENT_HANDLER(change)
+
+  void DisconnectFromOwner() override;
+
+  PermissionName Name() const { return mName; }
+
+  nsresult Init();
+
+ protected:
+  ~PermissionStatus();
+
+  PermissionStatus(nsPIDOMWindowInner* aWindow, PermissionName aName);
+
+  /**
+   * This method returns the internal permission type, which should be equal to
+   * the permission name for all but the MIDI permission because of the SysEx
+   * support: internally, we have both "midi" and "midi-sysex" permission types
+   * but we only have a "midi" (public) permission name.
+   *
+   * Note: the `MidiPermissionDescriptor` descriptor has an optional `sysex`
+   * boolean, which is used to determine whether to return "midi" or
+   * "midi-sysex" for the MIDI permission.
+   */
+  virtual nsLiteralCString GetPermissionType();
+
+ private:
+  nsresult UpdateState();
+
+  already_AddRefed<nsIPrincipal> GetPrincipal() const;
+
+  void PermissionChanged();
+
+  PermissionName mName;
+  PermissionState mState;
+
+  RefPtr<PermissionObserver> mObserver;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_permissionstatus_h_