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// Copyright (c) 2012 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 CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_
#define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_
#include "base/compiler_specific.h"
#include "components/history/core/browser/in_memory_url_index_types.h"
#include "components/omnibox/autocomplete_provider.h"
class AutocompleteInput;
class Profile;
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;
// Returns true if inline autocompletion should be prevented for URL-like
// input. This method returns true if input.prevent_inline_autocomplete()
// is true or the input text contains trailing whitespace.
static bool PreventInlineAutocomplete(const AutocompleteInput& input);
protected:
HistoryProvider(Profile* profile, AutocompleteProvider::Type type);
~HistoryProvider() override;
// Finds and removes the match from the current collection of matches and
// backing data.
void DeleteMatchFromMatches(const AutocompleteMatch& match);
// Fill and return an ACMatchClassifications structure given the |matches|
// to highlight.
static ACMatchClassifications SpansFromTermMatch(
const history::TermMatches& matches,
size_t text_length,
bool is_url);
Profile* profile_;
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_
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