gecko-dev/dom/cache/ManagerId.h

82 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_ManagerId_h
#define mozilla_dom_cache_ManagerId_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/cache/Types.h"
#include "nsCOMPtr.h"
#include "nsError.h"
#include "nsISupportsImpl.h"
#include "nsString.h"
class nsIPrincipal;
namespace mozilla {
namespace dom {
namespace cache {
class ManagerId final
{
public:
// nsTArray comparator that compares by value instead of pointer values.
class MOZ_STACK_CLASS Comparator final
{
public:
bool Equals(ManagerId *aA, ManagerId* aB) const { return *aA == *aB; }
bool LessThan(ManagerId *aA, ManagerId* aB) const { return *aA < *aB; }
};
// Main thread only
static nsresult Create(nsIPrincipal* aPrincipal, ManagerId** aManagerIdOut);
// Main thread only
already_AddRefed<nsIPrincipal> Principal() const;
const nsACString& Origin() const { return mOrigin; }
bool operator==(const ManagerId& aOther) const
{
return mOrigin == aOther.mOrigin &&
mAppId == aOther.mAppId &&
mInBrowserElement == aOther.mInBrowserElement;
}
bool operator<(const ManagerId& aOther) const
{
return mOrigin < aOther.mOrigin ||
(mOrigin == aOther.mOrigin && mAppId < aOther.mAppId) ||
(mOrigin == aOther.mOrigin && mAppId == aOther.mAppId &&
mInBrowserElement < aOther.mInBrowserElement);
}
private:
ManagerId(nsIPrincipal* aPrincipal, const nsACString& aOrigin,
uint32_t aAppId, bool aInBrowserElement);
~ManagerId();
ManagerId(const ManagerId&) = delete;
ManagerId& operator=(const ManagerId&) = delete;
// only accessible on main thread
nsCOMPtr<nsIPrincipal> mPrincipal;
// immutable to allow threadsfe access
const nsCString mOrigin;
const uint32_t mAppId;
const bool mInBrowserElement;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(mozilla::dom::cache::ManagerId)
};
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_ManagerId_h