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// Copyright 2014 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 COMPONENTS_OMNIBOX_BROWSER_HISTORY_MATCH_H_
#define COMPONENTS_OMNIBOX_BROWSER_HISTORY_MATCH_H_
#include <stddef.h>
#include "base/containers/circular_deque.h"
#include "components/history/core/browser/url_row.h"
namespace history {
// Used for intermediate history result operations.
struct HistoryMatch {
// Required for STL, we don't use this directly.
HistoryMatch();
static bool EqualsGURL(const HistoryMatch& h, const GURL& url);
// Returns true if url in this HistoryMatch is just a host
// (e.g. "http://www.google.com/") and not some other subpage
// (e.g. "http://www.google.com/foo.html").
bool IsHostOnly() const;
// Estimates dynamic memory usage.
// See base/trace_event/memory_usage_estimator.h for more info.
size_t EstimateMemoryUsage() const;
URLRow url_info;
// The offset of the user's input within the URL.
size_t input_location;
// Whether there is a match within specific URL components. This is used
// to prevent hiding the component containing the match. For instance,
// if our best match was in the scheme, not showing the scheme is both
// confusing and, for inline autocomplete of the fill_into_edit, dangerous.
// (If the user types "h" and we match "http://foo/", we need to inline
// autocomplete that, not "foo/", which won't show anything at all, and
// will mislead the user into thinking the What You Typed match is what's
// selected.)
bool match_in_scheme;
bool match_in_subdomain;
bool match_after_host;
// A match after any scheme/"www.", if the user input could match at both
// locations. If the user types "w", an innermost match ("website.com") is
// better than a non-innermost match ("www.google.com"). If the user types
// "x", no scheme in our prefix list (or "www.") begins with x, so all
// matches are, vacuously, "innermost matches".
bool innermost_match;
};
typedef base::circular_deque<HistoryMatch> HistoryMatches;
} // namespace history
#endif // COMPONENTS_OMNIBOX_BROWSER_HISTORY_MATCH_H_
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