chrome/browser/omnibox/omnibox_log.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_OMNIBOX_OMNIBOX_LOG_H_
   6 #define CHROME_BROWSER_OMNIBOX_OMNIBOX_LOG_H_
   7
   8 #include <stddef.h>
   9
  10 #include "base/strings/string16.h"
  11 #include "base/time/time.h"
  12 #include "chrome/browser/autocomplete/autocomplete_input.h"
  13 #include "chrome/browser/autocomplete/autocomplete_provider.h"
  14 #include "chrome/browser/sessions/session_id.h"
  15
  16 class AutocompleteResult;
  17
  18 // The data to log (via the metrics service) when the user selects an item from
  19 // the omnibox popup.
  20 struct OmniboxLog {
  21   OmniboxLog(
  22       const base::string16& text,
  23       bool just_deleted_text,
  24       AutocompleteInput::Type input_type,
  25       size_t selected_index,
  26       SessionID::id_type tab_id,
  27       AutocompleteInput::PageClassification current_page_classification,
  28       base::TimeDelta elapsed_time_since_user_first_modified_omnibox,
  29       size_t completed_length,
  30       base::TimeDelta elapsed_time_since_last_change_to_default_match,
  31       const AutocompleteResult& result);
  32   ~OmniboxLog();
  33
  34   // The user's input text in the omnibox.
  35   base::string16 text;
  36
  37   // Whether the user deleted text immediately before selecting an omnibox
  38   // suggestion.  This is usually the result of pressing backspace or delete.
  39   bool just_deleted_text;
  40
  41   // The detected type of the user's input.
  42   AutocompleteInput::Type input_type;
  43
  44   // Selected index (if selected) or -1 (OmniboxPopupModel::kNoMatch).
  45   size_t selected_index;
  46
  47   // ID of the tab the selected autocomplete suggestion was opened in.
  48   // Set to -1 if we haven't yet determined the destination tab.
  49   SessionID::id_type tab_id;
  50
  51   // The type of page (e.g., new tab page, regular web page) that the
  52   // user was viewing before going somewhere with the omnibox.
  53   AutocompleteInput::PageClassification current_page_classification;
  54
  55   // The amount of time since the user first began modifying the text
  56   // in the omnibox.  If at some point after modifying the text, the
  57   // user reverts the modifications (thus seeing the current web
  58   // page's URL again), then writes in the omnibox again, this time
  59   // delta should be computed starting from the second series of
  60   // modifications.  If we somehow skipped the logic to record
  61   // the time the user began typing (this should only happen in
  62   // unit tests), this elapsed time is set to -1 milliseconds.
  63   base::TimeDelta elapsed_time_since_user_first_modified_omnibox;
  64
  65   // The number of extra characters the user would have to manually type
  66   // if she/he were not given the opportunity to select this match.  Set to
  67   // base::string16::npos if not available.
  68   size_t completed_length;
  69
  70   // The amount of time since the last time the default (i.e., inline)
  71   // match changed.  This will certainly be less than
  72   // elapsed_time_since_user_first_modified_omnibox.
  73   base::TimeDelta elapsed_time_since_last_change_to_default_match;
  74
  75   // Result set.
  76   const AutocompleteResult& result;
  77
  78   // Diagnostic information from providers.  See
  79   // AutocompleteController::AddProvidersInfo() and
  80   // AutocompleteProvider::AddProviderInfo() above.
  81   ProvidersInfo providers_info;
  82 };
  83
  84 #endif  // CHROME_BROWSER_OMNIBOX_OMNIBOX_LOG_H_