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ash / clipboard / clipboard_history_url_title_fetcher.h [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_CLIPBOARD_CLIPBOARD_HISTORY_URL_TITLE_FETCHER_H_
#define ASH_CLIPBOARD_CLIPBOARD_HISTORY_URL_TITLE_FETCHER_H_
#include <optional>
#include <string>
#include "ash/ash_export.h"
#include "base/functional/callback_forward.h"
class GURL;
namespace ash {
// A fetcher implemented in the browser that queries the primary user profile's
// browsing history for URLs. Clipboard history can only display page titles for
// URLs that the profile has already visited.
class ASH_EXPORT ClipboardHistoryUrlTitleFetcher {
public:
virtual ~ClipboardHistoryUrlTitleFetcher();
// Returns the singleton fetcher instance.
static ClipboardHistoryUrlTitleFetcher* Get();
// Queries the primary user profile's browsing history for `url`. `callback`
// is run asynchronously with the title of the page `url` points to if the
// profile has visited the `url`; otherwise, it is run with an absent result.
using OnHistoryQueryCompleteCallback =
base::OnceCallback<void(std::optional<std::u16string>)>;
virtual void QueryHistory(const GURL& url,
OnHistoryQueryCompleteCallback callback) = 0;
protected:
ClipboardHistoryUrlTitleFetcher();
};
} // namespace ash
#endif // ASH_CLIPBOARD_CLIPBOARD_HISTORY_URL_TITLE_FETCHER_H_