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/*
* Copyright (C) 2008 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. ``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
* 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 "LocalStorage.h"
#if ENABLE(DOM_STORAGE)
#include "CString.h"
#include "EventNames.h"
#include "FileSystem.h"
#include "Frame.h"
#include "FrameTree.h"
#include "Page.h"
#include "PageGroup.h"
#include "StorageArea.h"
#include "StorageSyncManager.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
typedef HashMap<String, LocalStorage*> LocalStorageMap;
static LocalStorageMap& localStorageMap()
{
DEFINE_STATIC_LOCAL(LocalStorageMap, localStorageMap, ());
return localStorageMap;
}
PassRefPtr<LocalStorage> LocalStorage::localStorage(const String& path)
{
const String lookupPath = path.isNull() ? String("") : path;
LocalStorageMap::iterator it = localStorageMap().find(lookupPath);
if (it == localStorageMap().end()) {
RefPtr<LocalStorage> localStorage = adoptRef(new LocalStorage(lookupPath));
localStorageMap().set(lookupPath, localStorage.get());
return localStorage.release();
}
return it->second;
}
LocalStorage::LocalStorage(const String& path)
: m_path(path.copy())
{
if (!m_path.isEmpty())
m_syncManager = StorageSyncManager::create(m_path);
}
LocalStorage::~LocalStorage()
{
ASSERT(localStorageMap().get(m_path) == this);
localStorageMap().remove(m_path);
}
PassRefPtr<StorageArea> LocalStorage::storageArea(SecurityOrigin* origin)
{
ASSERT(isMainThread());
// FIXME: If the security origin in question has never had a storage area established,
// we need to ask a client call if establishing it is okay. If the client denies the request,
// this method will return null.
// The sourceFrame argument exists for the purpose of asking a client.
// To know if an area has previously been established, we need to wait until this LocalStorage
// object has finished it's AreaImport task.
// FIXME: If the storage area is being established for the first time here, we need to
// sync its existance and quota out to disk via an task of type AreaSync
RefPtr<StorageArea> storageArea;
if (storageArea = m_storageAreaMap.get(origin))
return storageArea.release();
storageArea = StorageArea::createLocalStorage(origin, m_syncManager);
m_storageAreaMap.set(origin, storageArea);
return storageArea.release();
}
void LocalStorage::close()
{
ASSERT(isMainThread());
LocalStorageAreaMap::iterator end = m_storageAreaMap.end();
for (LocalStorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
it->second->scheduleFinalSync();
m_syncManager = 0;
}
} // namespace WebCore
#endif // ENABLE(DOM_STORAGE)
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