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// Copyright 2012 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_PROVIDER_H_
#define COMPONENTS_OMNIBOX_BROWSER_HISTORY_PROVIDER_H_
#include <stddef.h>
#include "base/compiler_specific.h"
#include "base/memory/raw_ptr.h"
#include "components/omnibox/browser/autocomplete_provider.h"
#include "components/omnibox/browser/autocomplete_provider_client.h"
#include "components/omnibox/browser/in_memory_url_index_types.h"
struct AutocompleteMatch;
// This class is a base class for the history autocomplete providers and
// provides functions useful to all derived classes.
class HistoryProvider : public AutocompleteProvider {
public:
void DeleteMatch(const AutocompleteMatch& match) override;
// Fill and return an ACMatchClassifications structure given the |matches|
// to highlight.
// TODO (manukh) replace calls to SpansFromTermMatch with calls to
// ClassifyTermMatches (autocomplete_match_classification.h)
static ACMatchClassifications SpansFromTermMatch(const TermMatches& matches,
size_t text_length,
bool is_url);
protected:
HistoryProvider(AutocompleteProvider::Type type,
AutocompleteProviderClient* client);
~HistoryProvider() override;
HistoryProvider(const HistoryProvider&) = delete;
HistoryProvider& operator=(const HistoryProvider&) = delete;
// Finds and removes the match from the current collection of matches and
// backing data.
void DeleteMatchFromMatches(const AutocompleteMatch& match);
AutocompleteProviderClient* client() const { return client_; }
private:
// TODO(https://issues.chromium.org/issues/41485238#comment6) investigate why
// this pointer is kept dangling, for longer than the duration of the task.
raw_ptr<AutocompleteProviderClient,
FlakyDanglingUntriaged | AcrossTasksDanglingUntriaged>
client_;
};
#endif // COMPONENTS_OMNIBOX_BROWSER_HISTORY_PROVIDER_H_
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