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// Copyright 2022 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_UKM_UKM_RECORDER_OBSERVER_H_
#define COMPONENTS_UKM_UKM_RECORDER_OBSERVER_H_
#include <vector>
#include "base/observer_list_types.h"
#include "components/ukm/ukm_consent_state.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/metrics/public/mojom/ukm_interface.mojom.h"
#include "url/gurl.h"
namespace ukm {
// Base class for observing UkmRecorderImpl. This object is notified when
// a new UKM entry is added, or when a source URL is updated, or when
// entries are purged. Observers are notified even if |recording_enabled_| is
// false. All the methods are notified on the same SequencedTaskRunner
// on which the observer is added.
class COMPONENT_EXPORT(UKM_RECORDER) UkmRecorderObserver
: public base::CheckedObserver {
public:
UkmRecorderObserver() = default;
~UkmRecorderObserver() override = default;
UkmRecorderObserver(const UkmRecorderObserver&) = delete;
UkmRecorderObserver& operator=(const UkmRecorderObserver&) = delete;
// Called when a new UKM entry is added.
virtual void OnEntryAdded(mojom::UkmEntryPtr entry);
// Called when URLs are updated for a |source_id|.
virtual void OnUpdateSourceURL(SourceId source_id,
const std::vector<GURL>& urls);
// Called when UKM entries related to the given URL scheme should be purged.
virtual void OnPurgeRecordingsWithUrlScheme(const std::string& url_scheme);
// Called when all UKM entries should be purged.
virtual void OnPurge();
// Called when the UKM consent state is changed in any way, for the new
// state to take effect. |state| is the collection of accepted consent types.
// Each consent type is true iff the client has granted this consent on
// all their Chrome profiles and URL-keyed anonymized data collection is
// enabled for all profiles.
virtual void OnUkmAllowedStateChanged(UkmConsentState state);
};
} // namespace ukm
#endif // COMPONENTS_UKM_UKM_RECORDER_OBSERVER_H_
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