| /* |
| * Copyright (C) 2013-2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "Connection.h" |
| #include "StorageAreaIdentifier.h" |
| #include "StorageAreaImplIdentifier.h" |
| #include "StorageAreaMapIdentifier.h" |
| #include <WebCore/ClientOrigin.h> |
| #include <wtf/WeakPtr.h> |
| |
| namespace WebCore { |
| struct ClientOrigin; |
| } |
| |
| namespace WebKit { |
| |
| enum class StorageError : uint8_t { |
| Database, |
| ItemNotFound, |
| QuotaExceeded, |
| }; |
| |
| class StorageAreaBase : public CanMakeWeakPtr<StorageAreaBase> { |
| WTF_MAKE_NONCOPYABLE(StorageAreaBase); |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| static uint64_t nextMessageIdentifier(); |
| virtual ~StorageAreaBase(); |
| |
| enum class Type : bool { SQLite, Memory }; |
| virtual Type type() const = 0; |
| enum class StorageType : bool { Session, Local }; |
| virtual StorageType storageType() const = 0; |
| virtual bool isEmpty() = 0; |
| virtual void clear() = 0; |
| |
| StorageAreaIdentifier identifier() const { return m_identifier; } |
| WebCore::ClientOrigin origin() const { return m_origin; } |
| unsigned quota() const { return m_quota; } |
| void addListener(IPC::Connection::UniqueID, StorageAreaMapIdentifier); |
| void removeListener(IPC::Connection::UniqueID); |
| bool hasListeners() const; |
| void notifyListenersAboutClear(); |
| |
| virtual HashMap<String, String> allItems() = 0; |
| virtual Expected<void, StorageError> setItem(IPC::Connection::UniqueID, StorageAreaImplIdentifier, String&& key, String&& value, const String& urlString) = 0; |
| virtual Expected<void, StorageError> removeItem(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& key, const String& urlString) = 0; |
| virtual Expected<void, StorageError> clear(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& urlString) = 0; |
| |
| protected: |
| StorageAreaBase(unsigned quota, const WebCore::ClientOrigin&); |
| void dispatchEvents(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& key, const String& oldValue, const String& newValue, const String& urlString) const; |
| |
| private: |
| StorageAreaIdentifier m_identifier; |
| unsigned m_quota; |
| WebCore::ClientOrigin m_origin; |
| HashMap<IPC::Connection::UniqueID, StorageAreaMapIdentifier> m_listeners; |
| }; |
| |
| } // namespace WebKit |