Show PhysicalWebProvider suggestions with omnibox input

components/omnibox/browser/physical_web_provider.h

 // Copyright (c) 2016 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_PHYSICAL_WEB_PROVIDER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_PHYSICAL_WEB_PROVIDER_H_
 
 #include "base/macros.h"
+#include "components/bookmarks/browser/titled_url_match.h"
 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_provider.h"
 
 class AutocompleteProviderClient;
 class HistoryURLProvider;
 
 namespace base {
 class ListValue;
 }
 
@@ skipping 17 matching lines @@
   // AutocompleteProvider:
   void Start(const AutocompleteInput& input, bool minimal_changes) override;
   void Stop(bool clear_cached_results, bool due_to_user_inactivity) override;
   void AddProviderInfo(ProvidersInfo* provider_info) const override;
 
  private:
   PhysicalWebProvider(AutocompleteProviderClient* client,
                       HistoryURLProvider* history_url_provider);
   ~PhysicalWebProvider() override;
 
-  // Adds a separate match item to |matches_| for each nearby URL in
-  // |metadata_list|, up to the maximum number of matches allowed. If the total
-  // number of nearby URLs exceeds this limit, one match is used for an overflow
-  // item.
-  void ConstructMatches(base::ListValue* metadata_list);
+  // When the user has focused the omnibox but not yet entered any text (i.e.,
+  // the Zero Suggest case), calling this method adds a separate match item to
+  // |matches_| for each nearby URL in |metadata_list|, up to the maximum number
+  // of matches allowed. If the total number of nearby URLs exceeds this limit,
+  // one match is used for an overflow item.
+  void ConstructZeroSuggestMatches(
+      std::unique_ptr<base::ListValue> metadata_list);
+
+  // When the user has entered text into the omnibox (i.e., the Query Suggest
+  // case), calling this method adds a separate match item to |matches_| for
+  // each nearby URL in |metadata_list| that matches all of the query terms in
+  // |input|, up to the maximum number of matches allowed.
+  void ConstructQuerySuggestMatches(
+      std::unique_ptr<base::ListValue> metadata_list,
+      const AutocompleteInput& input);
 
   // Adds an overflow match item to |matches_| with a relevance score equal to
   // |relevance| and a label indicating there are |additional_url_count| more
   // nearby URLs. The page |title| of one of the additional nearby URLs will be
   // included in the label, truncating if necessary. Selecting the overflow item
   // navigates to the Physical Web WebUI, which displays the full list of nearby
   // URLs.
   void AppendOverflowItem(int additional_url_count,
                           int relevance,
                           const base::string16& title);
 
   AutocompleteProviderClient* client_;
 
   // Used for efficiency when creating the verbatim match. Can be null.
   HistoryURLProvider* history_url_provider_;
 
   // The number of nearby Physical Web URLs when the provider last constructed
   // matches.
   size_t nearby_url_count_;
 
+  // If true, provide suggestions when the user has focused the omnibox but has
+  // not typed anything.
+  bool zero_suggest_enabled_;
+
+  // If true, provide suggestions when the user has entered a query into the
+  // omnibox.
+  bool after_typing_enabled_;
+
+  // The base relevance score for Physical Web URL suggestions when the user has
+  // not typed anything into the omnibox.
+  int zero_suggest_base_relevance_;
+
+  // The base relevance score for Physical Web URL suggestions after the user
+  // has typed a query into the omnibox.
+  int after_typing_base_relevance_;
+
+  // Set to true if at least one suggestion was created the last time the
+  // provider was started, even if the suggestion could not be displayed due to
+  // a field trial.
+  bool had_physical_web_suggestions_;
+
+  // Set to true if at least one suggestion was created since the last time the
+  // omnibox was focused, even if the suggestion could not be displayed due to
+  // a field trial.
+  bool had_physical_web_suggestions_at_focus_or_later_;
+
   DISALLOW_COPY_AND_ASSIGN(PhysicalWebProvider);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_PHYSICAL_WEB_PROVIDER_H_