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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_ASH_BIRCH_REFRESH_TOKEN_WAITER_H_
#define CHROME_BROWSER_UI_ASH_BIRCH_REFRESH_TOKEN_WAITER_H_
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/signin/public/identity_manager/identity_manager.h"
class Profile;
namespace ash {
// Waits for refresh tokens to be loaded for the primary account. These tokens
// are necessary to make network requests against Google APIs, e.g. to fetch
// weather or calendar events. Each instance of this class supports a single
// waiting client. If you need multiple waits, create multiple instances of the
// class.
class RefreshTokenWaiter : public signin::IdentityManager::Observer {
public:
explicit RefreshTokenWaiter(Profile* profile);
RefreshTokenWaiter(const RefreshTokenWaiter&) = delete;
RefreshTokenWaiter& operator=(const RefreshTokenWaiter&) = delete;
~RefreshTokenWaiter() override;
// Waits for refresh tokens to be loaded then invokes `callback`. Will invoke
// `callback` immediately if tokens are already loaded.
void Wait(base::OnceClosure callback);
// signin::IdentityManager::Observer:
void OnRefreshTokenUpdatedForAccount(
const CoreAccountInfo& account_info) override;
private:
raw_ptr<signin::IdentityManager> identity_manager_;
base::ScopedObservation<signin::IdentityManager,
signin::IdentityManager::Observer>
identity_manager_observation_{this};
// Invoked when refresh tokens are loaded.
base::OnceClosure callback_;
};
} // namespace ash
#endif // CHROME_BROWSER_UI_ASH_BIRCH_REFRESH_TOKEN_WAITER_H_
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