chromium/components/omnibox/browser/history_cluster_provider.h

// 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_OMNIBOX_BROWSER_HISTORY_CLUSTER_PROVIDER_H_
#define COMPONENTS_OMNIBOX_BROWSER_HISTORY_CLUSTER_PROVIDER_H_

#include "components/omnibox/browser/autocomplete_input.h"
#include "components/omnibox/browser/autocomplete_provider.h"
#include "components/omnibox/browser/autocomplete_provider_listener.h"

class AutocompleteProvider;
class AutocompleteProviderClient;

// `HistoryClusterProvider` adds suggestions to the history journey page if
// any `SearchProvider` suggestions matched a cluster keyword. Inherits
// `AutocompleteProviderListener` in order to listen to `SearchProvider`
// updates. Uses `SearchProvider` suggestions, as a proxy for what the user may
// be typing if they're typing a query. Doesn't use other search providers'
// (i.e. `VoiceSearchProvider` and `ZeroSuggestProvider`) suggestions for
// simplicity.
class HistoryClusterProvider : public AutocompleteProvider,
                               public AutocompleteProviderListener { … };

#endif  // COMPONENTS_OMNIBOX_BROWSER_HISTORY_CLUSTER_PROVIDER_H_