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// Copyright 2013 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_OMNIBOX_OMNIBOX_LOG_H_
#define CHROME_BROWSER_OMNIBOX_OMNIBOX_LOG_H_
#include <stddef.h>
#include "base/strings/string16.h"
#include "base/time.h"
#include "chrome/browser/autocomplete/autocomplete_input.h"
#include "chrome/browser/autocomplete/autocomplete_provider.h"
#include "chrome/browser/sessions/session_id.h"
#include "chrome/common/metrics/proto/omnibox_event.pb.h"
class AutocompleteResult;
// The data to log (via the metrics service) when the user selects an item from
// the omnibox popup.
struct OmniboxLog {
OmniboxLog(
const string16& text,
bool just_deleted_text,
AutocompleteInput::Type input_type,
size_t selected_index,
SessionID::id_type tab_id,
metrics::OmniboxEventProto::PageClassification
current_page_classification,
base::TimeDelta elapsed_time_since_user_first_modified_omnibox,
size_t completed_length,
base::TimeDelta elapsed_time_since_last_change_to_default_match,
const AutocompleteResult& result);
~OmniboxLog();
// The user's input text in the omnibox.
string16 text;
// Whether the user deleted text immediately before selecting an omnibox
// suggestion. This is usually the result of pressing backspace or delete.
bool just_deleted_text;
// The detected type of the user's input.
AutocompleteInput::Type input_type;
// Selected index (if selected) or -1 (OmniboxPopupModel::kNoMatch).
size_t selected_index;
// ID of the tab the selected autocomplete suggestion was opened in.
// Set to -1 if we haven't yet determined the destination tab.
SessionID::id_type tab_id;
// The type of page (e.g., new tab page, regular web page) that the
// user was viewing before going somewhere with the omnibox.
metrics::OmniboxEventProto::PageClassification current_page_classification;
// The amount of time since the user first began modifying the text
// in the omnibox. If at some point after modifying the text, the
// user reverts the modifications (thus seeing the current web
// page's URL again), then writes in the omnibox again, this time
// delta should be computed starting from the second series of
// modifications. If we somehow skipped the logic to record
// the time the user began typing (this should only happen in
// unit tests), this elapsed time is set to -1 milliseconds.
base::TimeDelta elapsed_time_since_user_first_modified_omnibox;
// The number of extra characters the user would have to manually type
// if she/he were not given the opportunity to select this match. Set to
// string16::npos if not available.
size_t completed_length;
// The amount of time since the last time the default (i.e., inline)
// match changed. This will certainly be less than
// elapsed_time_since_user_first_modified_omnibox.
base::TimeDelta elapsed_time_since_last_change_to_default_match;
// Result set.
const AutocompleteResult& result;
// Diagnostic information from providers. See
// AutocompleteController::AddProvidersInfo() and
// AutocompleteProvider::AddProviderInfo() above.
ProvidersInfo providers_info;
};
#endif // CHROME_BROWSER_OMNIBOX_OMNIBOX_LOG_H_
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