gecko-dev/dom/cache/PrincipalVerifier.h

80 строки
2.3 KiB
C++

/* -*- 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_cache_PrincipalVerifier_h
#define mozilla_dom_cache_PrincipalVerifier_h
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "nsThreadUtils.h"
#include "nsTObserverArray.h"
namespace mozilla {
namespace ipc {
class PBackgroundParent;
} // namespace ipc
namespace dom {
namespace cache {
class ManagerId;
class PrincipalVerifier final : public nsRunnable
{
public:
// An interface to be implemented by code wishing to use the
// PrincipalVerifier. Note, the Listener implementation is responsible
// for calling RemoveListener() on the PrincipalVerifier to clear the
// weak reference.
class Listener
{
public:
virtual void OnPrincipalVerified(nsresult aRv, ManagerId* aManagerId) = 0;
};
static already_AddRefed<PrincipalVerifier>
CreateAndDispatch(Listener* aListener, mozilla::ipc::PBackgroundParent* aActor,
const mozilla::ipc::PrincipalInfo& aPrincipalInfo);
void AddListener(Listener* aListener);
// The Listener must call RemoveListener() when OnPrincipalVerified() is
// called or when the Listener is destroyed.
void RemoveListener(Listener* aListener);
private:
PrincipalVerifier(Listener* aListener, mozilla::ipc::PBackgroundParent* aActor,
const mozilla::ipc::PrincipalInfo& aPrincipalInfo);
virtual ~PrincipalVerifier();
void VerifyOnMainThread();
void CompleteOnInitiatingThread();
void DispatchToInitiatingThread(nsresult aRv);
// Weak reference cleared by RemoveListener()
typedef nsTObserverArray<Listener*> ListenerList;
ListenerList mListenerList;
// set in originating thread at construction, but must be accessed and
// released on main thread
nsRefPtr<ContentParent> mActor;
const mozilla::ipc::PrincipalInfo mPrincipalInfo;
nsCOMPtr<nsIThread> mInitiatingThread;
nsresult mResult;
nsRefPtr<ManagerId> mManagerId;
public:
NS_DECL_NSIRUNNABLE
};
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_PrincipalVerifier_h