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// Copyright 2022 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 COMPONENTS_BROWSING_TOPICS_BROWSING_TOPICS_SERVICE_H_
#define COMPONENTS_BROWSING_TOPICS_BROWSING_TOPICS_SERVICE_H_
#include "components/browsing_topics/mojom/browsing_topics_internals.mojom-forward.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/privacy_sandbox/canonical_topic.h"
#include "content/public/browser/render_frame_host.h"
#include "third_party/blink/public/mojom/browsing_topics/browsing_topics.mojom-forward.h"
#include "url/origin.h"
namespace browsing_topics {
// A profile keyed service for providing the topics to a requesting context or
// to other internal components (e.g. UX).
class BrowsingTopicsService : public KeyedService {
public:
// Return the browsing topics for a particular requesting context. The
// calling context and top context information will also be used for the
// access permission check, and for the `BrowsingTopicsPageLoadDataTracker` to
// track the API usage.
virtual std::vector<blink::mojom::EpochTopicPtr> GetBrowsingTopicsForJsApi(
const url::Origin& context_origin,
content::RenderFrameHost* main_frame) = 0;
// Get the topics state to show in the chrome://topics-internals page.
virtual mojom::WebUIGetBrowsingTopicsStateResultPtr
GetBrowsingTopicsStateForWebUi() const = 0;
// Return the topics (i.e. one topic from each epoch) that can be potentially
// exposed to a given site. Up to `kBrowsingTopicsNumberOfEpochsToExpose`
// epochs' topics can be returned. Padded top topics or random topics won't be
// returned.
virtual std::vector<privacy_sandbox::CanonicalTopic>
GetTopicsForSiteForDisplay(const url::Origin& top_origin) const = 0;
// Return the top topics from all the past epochs. Up to
// `kBrowsingTopicsNumberOfEpochsToExpose + 1` epochs' topics are kept in
// the browser. Padded top topics won't be returned.
virtual std::vector<privacy_sandbox::CanonicalTopic> GetTopTopicsForDisplay()
const = 0;
// Removes topic from any existing epoch.
virtual void ClearTopic(
const privacy_sandbox::CanonicalTopic& canonical_topic) = 0;
// Clear the topics data (both raw and derived) for a specific context origin.
virtual void ClearTopicsDataForOrigin(const url::Origin& origin) = 0;
// Clear all topics data (both raw and derived).
virtual void ClearAllTopicsData() = 0;
~BrowsingTopicsService() override = default;
};
} // namespace browsing_topics
#endif // COMPONENTS_BROWSING_TOPICS_BROWSING_TOPICS_SERVICE_H_
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