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/* -*- 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"
#include "mozilla/MozPromise.h"
#include "nsIPermission.h"
namespace mozilla::dom {
class PermissionObserver;
class PermissionStatus : public DOMEventTargetHelper {
friend class PermissionObserver;
public:
using SimplePromise = MozPromise<nsresult, nsresult, true>;
PermissionStatus(nsPIDOMWindowInner* aWindow, PermissionName aName);
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
PermissionState State() const { return mState; }
void SetState(PermissionState aState) { mState = aState; }
IMPL_EVENT_HANDLER(change)
void DisconnectFromOwner() override;
PermissionName Name() const { return mName; }
void GetType(nsACString& aName) const;
RefPtr<SimplePromise> Init();
protected:
~PermissionStatus();
/**
* 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() const;
private:
virtual RefPtr<SimplePromise> UpdateState();
// These functions should be called when an permission is updated which may
// change the state of this PermissionStatus. MaybeUpdatedBy accepts the
// permission object itself that is update. When the permission's key is not
// same-origin with this object's owner window, such as for secondary-keyed
// permissions like `3rdPartyFrameStorage^...`, MaybeUpdatedByNotifyOnly will
// be called with the updated window as an argument. MaybeUpdatedByNotifyOnly
// must be defined by PermissionStatus inheritors that are double-keyed.
virtual bool MaybeUpdatedBy(nsIPermission* aPermission) const;
virtual bool MaybeUpdatedByNotifyOnly(nsPIDOMWindowInner* aInnerWindow) const;
void PermissionChanged();
PermissionName mName;
RefPtr<PermissionObserver> mObserver;
protected:
PermissionState mState;
};
} // namespace mozilla::dom
#endif // mozilla_dom_permissionstatus_h_
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