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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_CONVERSIONS_CONVERSION_MANAGER_H_
#define CONTENT_BROWSER_CONVERSIONS_CONVERSION_MANAGER_H_
#include <vector>
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/containers/circular_deque.h"
#include "content/common/content_export.h"
namespace base {
class Time;
} // namespace base
namespace url {
class Origin;
} // namespace url
namespace content {
class ConversionPolicy;
class StorableConversion;
class StorableImpression;
class WebContents;
struct ConversionReport;
struct SentReportInfo;
// Interface that mediates data flow between the network, storage layer, and
// blink.
class CONTENT_EXPORT ConversionManager {
public:
// Provides access to a ConversionManager implementation. This layer of
// abstraction is to allow tests to mock out the ConversionManager without
// injecting a manager explicitly.
class Provider {
public:
virtual ~Provider() = default;
// Gets the ConversionManager that should be used for handling conversions
// that occur in the given |web_contents|. Returns nullptr if conversion
// measurement is not enabled in the given |web_contents|, e.g. when the
// browser context is off the record.
virtual ConversionManager* GetManager(WebContents* web_contents) const = 0;
};
virtual ~ConversionManager() = default;
// Persists the given |impression| to storage. Called when a navigation
// originating from an impression tag finishes.
virtual void HandleImpression(StorableImpression impression) = 0;
// Process a newly registered conversion. Will create and log any new
// conversion reports to storage.
virtual void HandleConversion(StorableConversion conversion) = 0;
// Get all impressions that are currently stored in this partition. Used for
// populating WebUI.
virtual void GetActiveImpressionsForWebUI(
base::OnceCallback<void(std::vector<StorableImpression>)> callback) = 0;
// Get all pending reports that are currently stored in this partition. Used
// for populating WebUI.
virtual void GetPendingReportsForWebUI(
base::OnceCallback<void(std::vector<ConversionReport>)> callback,
base::Time max_report_time) = 0;
// Get all reports sent in this session. Used for populating WebUI. Limited to
// last 100.
virtual const base::circular_deque<SentReportInfo>& GetSentReportsForWebUI()
const WARN_UNUSED_RESULT = 0;
// Sends all pending reports immediately, and runs |done| once they have all
// been sent.
virtual void SendReportsForWebUI(base::OnceClosure done) = 0;
// Returns the ConversionPolicy that is used to control API policies such
// as noise.
virtual const ConversionPolicy& GetConversionPolicy() const
WARN_UNUSED_RESULT = 0;
// Deletes all data in storage for URLs matching |filter|, between
// |delete_begin| and |delete_end| time.
//
// If |filter| is null, then consider all origins in storage as matching.
virtual void ClearData(
base::Time delete_begin,
base::Time delete_end,
base::RepeatingCallback<bool(const url::Origin&)> filter,
base::OnceClosure done) = 0;
};
} // namespace content
#endif // CONTENT_BROWSER_CONVERSIONS_CONVERSION_MANAGER_H_
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