dom/src/storage/DOMStorage.h@6474c204b198 (annotated)
dom/src/storage/DOMStorage.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsDOMStorage_h___ |
| michael@0 | 7 | #define nsDOMStorage_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/Attributes.h" |
| michael@0 | 10 | #include "nsIDOMStorage.h" |
| michael@0 | 11 | #include "nsPIDOMStorage.h" |
| michael@0 | 12 | #include "nsWeakReference.h" |
| michael@0 | 13 | #include "nsAutoPtr.h" |
| michael@0 | 14 | |
| michael@0 | 15 | namespace mozilla { |
| michael@0 | 16 | namespace dom { |
| michael@0 | 17 | |
| michael@0 | 18 | class DOMStorageManager; |
| michael@0 | 19 | class DOMStorageCache; |
| michael@0 | 20 | |
| michael@0 | 21 | class DOMStorage MOZ_FINAL : public nsIDOMStorage |
| michael@0 | 22 | , public nsPIDOMStorage |
| michael@0 | 23 | , public nsSupportsWeakReference |
| michael@0 | 24 | { |
| michael@0 | 25 | NS_DECL_ISUPPORTS |
| michael@0 | 26 | NS_DECL_NSIDOMSTORAGE |
| michael@0 | 27 | |
| michael@0 | 28 | // nsPIDOMStorage |
| michael@0 | 29 | virtual StorageType GetType() const MOZ_OVERRIDE; |
| michael@0 | 30 | virtual DOMStorageManager* GetManager() const MOZ_OVERRIDE { return mManager; } |
| michael@0 | 31 | virtual const DOMStorageCache* GetCache() const MOZ_OVERRIDE { return mCache; } |
| michael@0 | 32 | |
| michael@0 | 33 | virtual nsTArray<nsString>* GetKeys() MOZ_OVERRIDE; |
| michael@0 | 34 | virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE; |
| michael@0 | 35 | virtual bool PrincipalEquals(nsIPrincipal* aPrincipal) MOZ_OVERRIDE; |
| michael@0 | 36 | virtual bool CanAccess(nsIPrincipal* aPrincipal) MOZ_OVERRIDE; |
| michael@0 | 37 | virtual bool IsPrivate() MOZ_OVERRIDE { return mIsPrivate; } |
| michael@0 | 38 | |
| michael@0 | 39 | DOMStorage(DOMStorageManager* aManager, |
| michael@0 | 40 | DOMStorageCache* aCache, |
| michael@0 | 41 | const nsAString& aDocumentURI, |
| michael@0 | 42 | nsIPrincipal* aPrincipal, |
| michael@0 | 43 | bool aIsPrivate); |
| michael@0 | 44 | ~DOMStorage(); |
| michael@0 | 45 | |
| michael@0 | 46 | // The method checks whether the caller can use a storage. |
| michael@0 | 47 | // CanUseStorage is called before any DOM initiated operation |
| michael@0 | 48 | // on a storage is about to happen and ensures that the storage's |
| michael@0 | 49 | // session-only flag is properly set according the current settings. |
| michael@0 | 50 | // It is an optimization since the privileges check and session only |
| michael@0 | 51 | // state determination are complex and share the code (comes hand in |
| michael@0 | 52 | // hand together). |
| michael@0 | 53 | static bool CanUseStorage(DOMStorage* aStorage = nullptr); |
| michael@0 | 54 | |
| michael@0 | 55 | bool IsPrivate() const { return mIsPrivate; } |
| michael@0 | 56 | bool IsSessionOnly() const { return mIsSessionOnly; } |
| michael@0 | 57 | |
| michael@0 | 58 | private: |
| michael@0 | 59 | friend class DOMStorageManager; |
| michael@0 | 60 | friend class DOMStorageCache; |
| michael@0 | 61 | |
| michael@0 | 62 | nsRefPtr<DOMStorageManager> mManager; |
| michael@0 | 63 | nsRefPtr<DOMStorageCache> mCache; |
| michael@0 | 64 | nsString mDocumentURI; |
| michael@0 | 65 | |
| michael@0 | 66 | // Principal this DOMStorage (i.e. localStorage or sessionStorage) has |
| michael@0 | 67 | // been created for |
| michael@0 | 68 | nsCOMPtr<nsIPrincipal> mPrincipal; |
| michael@0 | 69 | |
| michael@0 | 70 | // Whether this storage is running in private-browsing window. |
| michael@0 | 71 | bool mIsPrivate : 1; |
| michael@0 | 72 | |
| michael@0 | 73 | // Whether storage is set to persist data only per session, may change |
| michael@0 | 74 | // dynamically and is set by CanUseStorage function that is called |
| michael@0 | 75 | // before any operation on the storage. |
| michael@0 | 76 | bool mIsSessionOnly : 1; |
| michael@0 | 77 | |
| michael@0 | 78 | void BroadcastChangeNotification(const nsSubstring& aKey, |
| michael@0 | 79 | const nsSubstring& aOldValue, |
| michael@0 | 80 | const nsSubstring& aNewValue); |
| michael@0 | 81 | }; |
| michael@0 | 82 | |
| michael@0 | 83 | } // ::dom |
| michael@0 | 84 | } // ::mozilla |
| michael@0 | 85 | |
| michael@0 | 86 | #endif /* nsDOMStorage_h___ */ |
