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// Copyright 2025 The Chromium Authors
// 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_INSTANCE_SQLITE_BACKING_STORE_IMPL_H_
#define CONTENT_BROWSER_INDEXED_DB_INSTANCE_SQLITE_BACKING_STORE_IMPL_H_
#include <memory>
#include <string>
#include <unordered_map>
#include "base/files/file_path.h"
#include "content/browser/indexed_db/instance/backing_store.h"
namespace content::indexed_db {
struct IndexedDBDataLossInfo;
namespace sqlite {
class DatabaseConnection;
class BackingStoreImpl : public BackingStore {
public:
static std::tuple<std::unique_ptr<BackingStore>,
Status,
IndexedDBDataLossInfo,
bool /* is_disk_full */>
OpenAndVerify(base::FilePath data_path,
storage::mojom::BlobStorageContext& blob_storage_context);
BackingStoreImpl(base::FilePath data_path,
storage::mojom::BlobStorageContext& blob_storage_context);
BackingStoreImpl(const BackingStoreImpl&) = delete;
BackingStoreImpl& operator=(const BackingStoreImpl&) = delete;
~BackingStoreImpl() override;
// BackingStore:
void TearDown(base::WaitableEvent* signal_on_destruction) override;
void InvalidateBlobReferences() override;
void StartPreCloseTasks(base::OnceClosure on_done) override;
void StopPreCloseTasks() override;
int64_t GetInMemorySize() const override;
StatusOr<std::vector<std::u16string>> GetDatabaseNames() override;
StatusOr<std::vector<blink::mojom::IDBNameAndVersionPtr>>
GetDatabaseNamesAndVersions() override;
StatusOr<std::unique_ptr<BackingStore::Database>> CreateOrOpenDatabase(
const std::u16string& name) override;
uintptr_t GetIdentifierForMemoryDump() override;
void FlushForTesting() override;
void DestroyConnection(const std::u16string& name);
storage::mojom::BlobStorageContext& blob_storage_context() {
return *blob_storage_context_;
}
private:
const base::FilePath data_path_;
// This BlobStorageContext is owned by the BucketContext that owns `this`.
// The BlobStorageContext manages handles to web blobs (both coming from and
// being vended to the renderer). Despite this object's name, it does not
// store blobs. Those that are written into IndexedDB are stored in the SQLite
// DB.
raw_ref<storage::mojom::BlobStorageContext> blob_storage_context_;
std::unordered_map<std::u16string, std::unique_ptr<DatabaseConnection>>
open_connections_;
};
} // namespace sqlite
} // namespace content::indexed_db
#endif // CONTENT_BROWSER_INDEXED_DB_INSTANCE_SQLITE_BACKING_STORE_IMPL_H_
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