зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.5 KiB
C++
86 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_temporaryaccessgrantobserver_h
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#define mozilla_temporaryaccessgrantobserver_h
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#include "mozilla/PrincipalHashKey.h"
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#include "nsCOMPtr.h"
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#include "nsHashKeys.h"
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#include "nsHashtablesFwd.h"
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#include "nsIObserver.h"
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#include "nsString.h"
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#include "PLDHashTable.h"
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class nsITimer;
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class TemporaryAccessGrantCacheKey;
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namespace mozilla {
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class PermissionManager;
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class TemporaryAccessGrantCacheKey : public PrincipalHashKey {
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public:
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typedef std::pair<nsCOMPtr<nsIPrincipal>, nsCString> KeyType;
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typedef const KeyType* KeyTypePointer;
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explicit TemporaryAccessGrantCacheKey(KeyTypePointer aKey)
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: PrincipalHashKey(aKey->first), mType(aKey->second) {}
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TemporaryAccessGrantCacheKey(TemporaryAccessGrantCacheKey&& aOther) = default;
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~TemporaryAccessGrantCacheKey() = default;
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KeyType GetKey() const { return std::make_pair(mPrincipal, mType); }
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bool KeyEquals(KeyTypePointer aKey) const {
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return PrincipalHashKey::KeyEquals(aKey->first) && mType == aKey->second;
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}
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static KeyTypePointer KeyToPointer(KeyType& aKey) { return &aKey; }
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static PLDHashNumber HashKey(KeyTypePointer aKey) {
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if (!aKey) {
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return 0;
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}
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return HashGeneric(PrincipalHashKey::HashKey(aKey->first),
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HashString(aKey->second));
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}
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enum { ALLOW_MEMMOVE = true };
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private:
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nsCString mType;
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};
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class TemporaryAccessGrantObserver final : public nsIObserver, public nsINamed {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSINAMED
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static void Create(PermissionManager* aPM, nsIPrincipal* aPrincipal,
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const nsACString& aType);
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void SetTimer(nsITimer* aTimer);
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private:
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TemporaryAccessGrantObserver(PermissionManager* aPM, nsIPrincipal* aPrincipal,
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const nsACString& aType);
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~TemporaryAccessGrantObserver() = default;
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private:
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using ObserversTable =
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nsTHashMap<TemporaryAccessGrantCacheKey, nsCOMPtr<nsITimer>>;
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static UniquePtr<ObserversTable> sObservers;
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nsCOMPtr<nsITimer> mTimer;
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RefPtr<PermissionManager> mPM;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsCString mType;
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};
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} // namespace mozilla
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#endif // mozilla_temporaryaccessgrantobserver_h
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