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// Copyright 2025 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_AUXILIARY_SEARCH_AUXILIARY_SEARCH_TOP_SITE_PROVIDER_BRIDGE_H_
#define CHROME_BROWSER_AUXILIARY_SEARCH_AUXILIARY_SEARCH_TOP_SITE_PROVIDER_BRIDGE_H_
#include <jni.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
#include "components/ntp_tiles/most_visited_sites.h"
#include "components/ntp_tiles/ntp_tile.h"
// AuxiliarySearchTopSiteProviderBridge is responsible for providing top sites
// information for the auxiliary search.
class AuxiliarySearchTopSiteProviderBridge
: public ntp_tiles::MostVisitedSites::Observer {
public:
explicit AuxiliarySearchTopSiteProviderBridge(
std::unique_ptr<ntp_tiles::MostVisitedSites>);
AuxiliarySearchTopSiteProviderBridge(
const AuxiliarySearchTopSiteProviderBridge&) = delete;
AuxiliarySearchTopSiteProviderBridge& operator=(
const AuxiliarySearchTopSiteProviderBridge&) = delete;
~AuxiliarySearchTopSiteProviderBridge() override;
// Sets an observer and immediately fetches the current most visited sites
// suggestions.
void SetObserverAndTrigger(JNIEnv* env,
const base::android::JavaRef<jobject>& j_ref_obj);
// Removes the observer and destroys the bridge.
void Destroy(JNIEnv* env);
// Starts a fetch of the current most visited sites suggestions.
void GetMostVisitedSites(JNIEnv* env) const;
private:
FRIEND_TEST_ALL_PREFIXES(AuxiliarySearchTopSiteProviderBridgeTest,
AddAndRemoveObservers);
void RemoveObserver();
// ntp_tiles::MostVisitedSites::Observer implementation.
void OnURLsAvailable(
bool is_user_triggered,
const std::map<ntp_tiles::SectionType, ntp_tiles::NTPTilesVector>&
sections) override;
void OnIconMadeAvailable(const GURL& site_url) override;
jni_zero::ScopedJavaGlobalRef<jobject> observer_;
std::unique_ptr<ntp_tiles::MostVisitedSites> most_visited_sites_;
};
#endif // CHROME_BROWSER_AUXILIARY_SEARCH_AUXILIARY_SEARCH_TOP_SITE_PROVIDER_BRIDGE_H_
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