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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_ATTRIBUTION_REPORTING_ATTRIBUTION_REPORT_NETWORK_SENDER_H_
#define CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_REPORT_NETWORK_SENDER_H_
#include <list>
#include <memory>
#include <string>
#include "base/functional/callback_forward.h"
#include "base/memory/scoped_refptr.h"
#include "build/buildflag.h"
#include "content/browser/attribution_reporting/attribution_report_sender.h"
#include "content/common/content_export.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/application_status_listener.h"
#endif
class GURL;
namespace net {
class HttpResponseHeaders;
} // namespace net
namespace network {
class SharedURLLoaderFactory;
class SimpleURLLoader;
} // namespace network
namespace url {
class Origin;
} // namespace url
namespace content {
class AttributionReport;
// Issues POST requests containing attribution reports. Maintains a set of all
// ongoing UrlLoaders used for posting reports. Created and owned by
// `AttributionManagerImpl`.
class CONTENT_EXPORT AttributionReportNetworkSender
: public AttributionReportSender {
public:
explicit AttributionReportNetworkSender(
scoped_refptr<network::SharedURLLoaderFactory>);
AttributionReportNetworkSender(const AttributionReportNetworkSender&) =
delete;
AttributionReportNetworkSender& operator=(
const AttributionReportNetworkSender&) = delete;
AttributionReportNetworkSender(AttributionReportNetworkSender&&) = delete;
AttributionReportNetworkSender& operator=(AttributionReportNetworkSender&&) =
delete;
~AttributionReportNetworkSender() override;
// AttributionReportSender:
void SetInFirstBatch(bool in_first_batch) override;
void SendReport(AttributionReport report,
bool is_debug_report,
ReportSentCallback sent_callback) override;
void SendReport(AttributionDebugReport report,
DebugReportSentCallback) override;
void SendReport(AggregatableDebugReport,
base::DictValue report_body,
AggregatableDebugReportSentCallback) override;
private:
// This is a std::list so that iterators remain valid during modifications.
using UrlLoaderList = std::list<std::unique_ptr<network::SimpleURLLoader>>;
using UrlLoaderCallback =
base::OnceCallback<void(UrlLoaderList::iterator it,
scoped_refptr<net::HttpResponseHeaders>)>;
void SendReport(GURL url,
url::Origin origin,
std::string body,
UrlLoaderCallback callback);
// Called when headers are available for a sent report.
void OnReportSent(const AttributionReport&,
bool is_debug_report,
ReportSentCallback sent_callback,
UrlLoaderList::iterator it,
scoped_refptr<net::HttpResponseHeaders> headers);
// Called when headers are available for a sent verbose debug report.
void OnVerboseDebugReportSent(
base::OnceCallback<void(int status)> callback,
UrlLoaderList::iterator it,
scoped_refptr<net::HttpResponseHeaders> headers);
void OnAggregatableDebugReportSent(
base::OnceCallback<void(int status)> callback,
UrlLoaderList::iterator,
scoped_refptr<net::HttpResponseHeaders>);
// Reports that are actively being sent.
UrlLoaderList loaders_in_progress_;
// Used for network requests.
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory_;
// Used for metric logging.
bool in_first_batch_ = true;
#if BUILDFLAG(IS_ANDROID)
// Callback invoked when the application state changes.
void OnApplicationStateChanged(base::android::ApplicationState state);
// Listener for changes in application state, unregisters itself when
// destroyed.
const std::unique_ptr<base::android::ApplicationStatusListener>
application_status_listener_;
base::android::ApplicationState app_state_;
#endif
};
} // namespace content
#endif // CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_REPORT_NETWORK_SENDER_H_
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