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// Copyright (c) 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_
#include <map>
#include <set>
#include <string>
#include "content/browser/indexed_db/indexed_db_factory.h"
namespace content {
class IndexedDBContextImpl;
class CONTENT_EXPORT IndexedDBFactoryImpl : public IndexedDBFactory {
public:
explicit IndexedDBFactoryImpl(IndexedDBContextImpl* context);
// content::IndexedDBFactory overrides:
void ReleaseDatabase(const IndexedDBDatabase::Identifier& identifier,
bool forcedClose) override;
void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks,
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context) override;
void Open(const base::string16& name,
const IndexedDBPendingConnection& connection,
net::URLRequestContext* request_context,
const GURL& origin_url,
const base::FilePath& data_directory) override;
void DeleteDatabase(const base::string16& name,
net::URLRequestContext* request_context,
scoped_refptr<IndexedDBCallbacks> callbacks,
const GURL& origin_url,
const base::FilePath& data_directory) override;
void HandleBackingStoreFailure(const GURL& origin_url) override;
void HandleBackingStoreCorruption(
const GURL& origin_url,
const IndexedDBDatabaseError& error) override;
OriginDBs GetOpenDatabasesForOrigin(const GURL& origin_url) const override;
void ForceClose(const GURL& origin_url) override;
// Called by the IndexedDBContext destructor so the factory can do cleanup.
void ContextDestroyed() override;
// Called by the IndexedDBActiveBlobRegistry.
void ReportOutstandingBlobs(const GURL& origin_url,
bool blobs_outstanding) override;
// Called by an IndexedDBDatabase when it is actually deleted.
void DatabaseDeleted(
const IndexedDBDatabase::Identifier& identifier) override;
size_t GetConnectionCount(const GURL& origin_url) const override;
protected:
~IndexedDBFactoryImpl() override;
scoped_refptr<IndexedDBBackingStore> OpenBackingStore(
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context,
blink::WebIDBDataLoss* data_loss,
std::string* data_loss_reason,
bool* disk_full,
leveldb::Status* s) override;
scoped_refptr<IndexedDBBackingStore> OpenBackingStoreHelper(
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context,
blink::WebIDBDataLoss* data_loss,
std::string* data_loss_message,
bool* disk_full,
bool first_time,
leveldb::Status* s) override;
void ReleaseBackingStore(const GURL& origin_url, bool immediate);
void CloseBackingStore(const GURL& origin_url);
IndexedDBContextImpl* context() const { return context_; }
private:
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
BackingStoreReleasedOnForcedClose);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
BackingStoreReleaseDelayedOnClose);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, DatabaseFailedOpen);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
DeleteDatabaseClosesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
ForceCloseReleasesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
GetDatabaseNamesClosesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBTest,
ForceCloseOpenDatabasesOnCommitFailure);
typedef std::map<IndexedDBDatabase::Identifier, IndexedDBDatabase*>
IndexedDBDatabaseMap;
typedef std::map<GURL, scoped_refptr<IndexedDBBackingStore> >
IndexedDBBackingStoreMap;
// Called internally after a database is closed, with some delay. If this
// factory has the last reference, it will be released.
void MaybeCloseBackingStore(const GURL& origin_url);
bool HasLastBackingStoreReference(const GURL& origin_url) const;
// Testing helpers, so unit tests don't need to grovel through internal state.
bool IsDatabaseOpen(const GURL& origin_url, const base::string16& name) const;
bool IsBackingStoreOpen(const GURL& origin_url) const;
bool IsBackingStorePendingClose(const GURL& origin_url) const;
void RemoveDatabaseFromMaps(const IndexedDBDatabase::Identifier& identifier);
IndexedDBContextImpl* context_;
IndexedDBDatabaseMap database_map_;
OriginDBMap origin_dbs_;
IndexedDBBackingStoreMap backing_store_map_;
std::set<scoped_refptr<IndexedDBBackingStore> > session_only_backing_stores_;
IndexedDBBackingStoreMap backing_stores_with_active_blobs_;
std::set<GURL> backends_opened_since_boot_;
DISALLOW_COPY_AND_ASSIGN(IndexedDBFactoryImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_
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