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/*
* 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.
*/
#include "config.h"
#include "MemoryStorageArea.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(MemoryStorageArea);
Ref<MemoryStorageArea> MemoryStorageArea::create(const WebCore::ClientOrigin& origin, StorageAreaBase::StorageType type)
{
return adoptRef(*new MemoryStorageArea(origin, type));
}
MemoryStorageArea::MemoryStorageArea(const WebCore::ClientOrigin& origin, StorageAreaBase::StorageType type)
: StorageAreaBase(WebCore::StorageMap::noQuota, origin)
, m_map(WebCore::StorageMap(WebCore::StorageMap::noQuota))
, m_storageType(type)
{
}
bool MemoryStorageArea::isEmpty()
{
return !m_map.length();
}
void MemoryStorageArea::clear()
{
m_map.clear();
notifyListenersAboutClear();
}
HashMap<String, String> MemoryStorageArea::allItems()
{
return m_map.items();
}
Expected<void, StorageError> MemoryStorageArea::setItem(std::optional<IPC::Connection::UniqueID> connection, std::optional<StorageAreaImplIdentifier> storageAreaImplID, String&& key, String&& value, const String& urlString)
{
String oldValue;
bool hasQuotaError = false;
m_map.setItem(key, value, oldValue, hasQuotaError);
if (hasQuotaError)
return makeUnexpected(StorageError::QuotaExceeded);
if (connection && storageAreaImplID)
dispatchEvents(*connection, *storageAreaImplID, key, oldValue, value, urlString);
return { };
}
Expected<void, StorageError> MemoryStorageArea::removeItem(IPC::Connection::UniqueID connection, StorageAreaImplIdentifier storageAreaImplID, const String& key, const String& urlString)
{
String oldValue;
m_map.removeItem(key, oldValue);
dispatchEvents(connection, storageAreaImplID, key, oldValue, String(), urlString);
return { };
}
Expected<void, StorageError> MemoryStorageArea::clear(IPC::Connection::UniqueID connection, StorageAreaImplIdentifier implIdentifier, const String& urlString)
{
if (!m_map.length())
return { };
m_map.clear();
dispatchEvents(connection, implIdentifier, String(), String(), String(), urlString);
return { };
}
Ref<MemoryStorageArea> MemoryStorageArea::clone() const
{
Ref storageArea = MemoryStorageArea::create(origin(), m_storageType);
storageArea->m_map = m_map;
return storageArea;
}
} // namespace WebKit
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