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// Copyright 2019 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_SMS_SMS_QUEUE_H_
#define CONTENT_BROWSER_SMS_SMS_QUEUE_H_
#include <map>
#include "base/observer_list.h"
#include "content/public/browser/sms_fetcher.h"
#include "url/origin.h"
namespace content {
// SmsQueue manages the queue of pending requests for each origin.
class SmsQueue {
public:
SmsQueue();
SmsQueue(const SmsQueue&) = delete;
SmsQueue& operator=(const SmsQueue&) = delete;
~SmsQueue();
using FailureType = SmsFetchFailureType;
using OriginList = SmsFetcher::OriginList;
using Subscriber = SmsFetcher::Subscriber;
void Push(const OriginList& origin_list, Subscriber* subscriber);
Subscriber* Pop(const OriginList& origin_list);
void Remove(const OriginList& origin_list, Subscriber* subscriber);
bool HasSubscribers();
bool HasSubscriber(const OriginList& origin_list,
const Subscriber* subscriber);
// Pops and notifies the first subscriber of an origin iff there's one origin
// in the |subscribers_| map. Returns true if the failure is handled.
bool NotifyFailure(FailureType failure_type);
private:
std::map<OriginList, base::ObserverList<Subscriber>> subscribers_;
};
} // namespace content
#endif // CONTENT_BROWSER_SMS_SMS_QUEUE_H_
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