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// Copyright 2020 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_INDEXED_DB_CONTROL_WRAPPER_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONTROL_WRAPPER_H_
#include "base/task/sequenced_task_runner.h"
#include "base/threading/sequence_bound.h"
#include "components/services/storage/privileged/mojom/indexed_db_control.mojom.h"
#include "components/services/storage/public/mojom/storage_policy_update.mojom.h"
#include "content/browser/indexed_db/indexed_db_context_impl.h"
#include "storage/browser/quota/storage_policy_observer.h"
namespace content::indexed_db {
// This wrapper is created, destroyed, and operated on the UI thread in the
// browser process. Its main purpose is to observe the `special_storage_policy`
// and forwards policy updates to the context, while also informing the policy
// when an origin is actively using IDB.
class IndexedDBControlWrapper {
public:
explicit IndexedDBControlWrapper(
const base::FilePath& data_path,
scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy,
scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy,
mojo::PendingRemote<storage::mojom::BlobStorageContext>
blob_storage_context,
mojo::PendingRemote<storage::mojom::FileSystemAccessContext>
file_system_access_context,
scoped_refptr<base::SequencedTaskRunner> io_task_runner);
IndexedDBControlWrapper(const IndexedDBControlWrapper&) = delete;
IndexedDBControlWrapper& operator=(const IndexedDBControlWrapper&) = delete;
~IndexedDBControlWrapper();
void BindIndexedDB(
const storage::BucketLocator& bucket_locator,
const storage::BucketClientInfo& client_info,
mojo::PendingRemote<storage::mojom::IndexedDBClientStateChecker>
client_state_checker_remote,
mojo::PendingReceiver<blink::mojom::IDBFactory> receiver);
// Returns the mojom interface to the `IndexedDBContextImpl`, creating the
// context if it does not already exist.
storage::mojom::IndexedDBControl& GetIndexedDBControl();
private:
void OnSpecialStoragePolicyUpdated(
std::vector<storage::mojom::StoragePolicyUpdatePtr> policy_updates);
std::optional<storage::StoragePolicyObserver> storage_policy_observer_;
mojo::Remote<storage::mojom::IndexedDBControl> indexed_db_control_;
std::unique_ptr<IndexedDBContextImpl> context_;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace content::indexed_db
#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONTROL_WRAPPER_H_
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