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// Copyright 2021 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_SAFE_BROWSING_EXTENSION_TELEMETRY_EXTENSION_SIGNAL_PROCESSOR_H_
#define CHROME_BROWSER_SAFE_BROWSING_EXTENSION_TELEMETRY_EXTENSION_SIGNAL_PROCESSOR_H_
#include <memory>
#include "extensions/common/extension_id.h"
namespace safe_browsing {
class ExtensionSignal;
class ExtensionTelemetryReportRequest_SignalInfo;
// An abstract signal processing class. Subclasses provide type-specific
// functionality to process the signal for telemetry reports.
class ExtensionSignalProcessor {
public:
virtual ~ExtensionSignalProcessor() = default;
// Processes (ie. aggregates/derives/adds additional data) the signal and
// updates internal state & data.
virtual void ProcessSignal(const ExtensionSignal& signal) = 0;
// Returns all signal data collected for the specified extension.
// Also clears out the existing data.
virtual std::unique_ptr<ExtensionTelemetryReportRequest_SignalInfo>
GetSignalInfoForReport(const extensions::ExtensionId& extension_id) = 0;
// Determines if there is any processed signal data present.
virtual bool HasDataToReportForTest() const = 0;
protected:
ExtensionSignalProcessor() = default;
};
} // namespace safe_browsing
#endif // CHROME_BROWSER_SAFE_BROWSING_EXTENSION_TELEMETRY_EXTENSION_SIGNAL_PROCESSOR_H_
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