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// Copyright 2018 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_COOKIE_STORE_COOKIE_STORE_HOST_H_
#define CONTENT_BROWSER_COOKIE_STORE_COOKIE_STORE_HOST_H_
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/sequence_checker.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/cookie_store/cookie_store.mojom.h"
namespace content {
class CookieStoreManager;
// Stores the state associated with each CookieStore mojo connection.
//
// The bulk of the CookieStore implementation is in the CookieStoreManager
// class. Each StoragePartition has a single associated CookieStoreManager
// instance. By contrast, each CookieStore mojo connection has an associated
// CookieStoreHost instance, which stores the per-connection state.
//
// Instances of this class must be accessed exclusively on the IO thread,
// because they call into CookieStoreManager directly.
class CookieStoreHost : public blink::mojom::CookieStore {
public:
CookieStoreHost(CookieStoreManager* manager,
const blink::StorageKey& storage_key);
CookieStoreHost(const CookieStoreHost&) = delete;
CookieStoreHost& operator=(const CookieStoreHost&) = delete;
~CookieStoreHost() override;
// content::mojom::CookieStore
void AddSubscriptions(
int64_t service_worker_registration_id,
std::vector<blink::mojom::CookieChangeSubscriptionPtr> subscriptions,
AddSubscriptionsCallback callback) override;
void RemoveSubscriptions(
int64_t service_worker_registration_id,
std::vector<blink::mojom::CookieChangeSubscriptionPtr> subscriptions,
RemoveSubscriptionsCallback callback) override;
void GetSubscriptions(int64_t service_worker_registration_id,
GetSubscriptionsCallback callback) override;
private:
// The raw pointer is safe because CookieStoreManager owns this instance via a
// mojo::UniqueReceiverSet.
const raw_ptr<CookieStoreManager> manager_;
const blink::StorageKey storage_key_;
// Instances of this class are currently bound to the IO thread, because they
// call ServiceWorkerContextWrapper methods that are restricted to the IO
// thread. However, the class implementation itself is thread-friendly, so it
// only checks that methods are called on the same sequence.
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace content
#endif // CONTENT_BROWSER_COOKIE_STORE_COOKIE_STORE_HOST_H_
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