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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PUSH_NOTIFICATION_PUSH_NOTIFICATION_CLIENT_H_
#define COMPONENTS_PUSH_NOTIFICATION_PUSH_NOTIFICATION_CLIENT_H_
#include <string>
#include "base/containers/flat_map.h"
#include "components/push_notification/push_notification_client_id.h"
namespace push_notification {
// Base class for PushNotificationService clients to. Each feature that uses the
// PushNotificationService must create its own PushNotificationClient and
// implement the OnMessageReceived functionality. PushNotificationClient must
// register with the PushNotificationService to begin receiving messages.
class PushNotificationClient {
public:
explicit PushNotificationClient(ClientId client_id) : client_id_(client_id) {}
virtual ~PushNotificationClient() = default;
// Returns the feature's `client_id_`.
ClientId GetClientId() { return client_id_; }
// Only called when the instance of the `message_data` matches the
// `client_id_`.
virtual void OnMessageReceived(
base::flat_map<std::string, std::string> message_data) = 0;
private:
// The enum that is used to associate incoming push notifications to
// their destination feature. This identifier is converted to a unique string
// using `GetClientIdStr()`, this string must match the identifier used inside
// the notification's payload when sending the notification to the push
// notification server.
const ClientId client_id_;
};
} // namespace push_notification
#endif // COMPONENTS_PUSH_NOTIFICATION_PUSH_NOTIFICATION_CLIENT_H_
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