Make Google Search autocomplete provider cursor aware.

chrome/browser/search_engines/template_url.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/search_engines/template_url.h"
 
+#include "base/format_macros.h"
 #include "base/guid.h"
 #include "base/i18n/case_conversion.h"
 #include "base/i18n/icu_string_conversions.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 29 matching lines @@
 const char kGoogleAcceptedSuggestionParameter[] = "google:acceptedSuggestion";
 const char kGoogleAssistedQueryStatsParameter[] = "google:assistedQueryStats";
 
 // Host/Domain Google searches are relative to.
 const char kGoogleBaseURLParameter[] = "google:baseURL";
 const char kGoogleBaseURLParameterFull[] = "{google:baseURL}";
 
 // Like google:baseURL, but for the Search Suggest capability.
 const char kGoogleBaseSuggestURLParameter[] = "google:baseSuggestURL";
 const char kGoogleBaseSuggestURLParameterFull[] = "{google:baseSuggestURL}";
-
+const char kGoogleCursorPositionParameter[] = "google:cursorPosition";
 const char kGoogleInstantEnabledParameter[] = "google:instantEnabledParameter";
 const char kGoogleInstantExtendedEnabledParameter[] =
     "google:instantExtendedEnabledParameter";
 const char kGoogleOriginalQueryForSuggestionParameter[] =
     "google:originalQueryForSuggestion";
 const char kGoogleRLZParameter[] = "google:RLZ";
 const char kGoogleSearchClient[] = "google:searchClient";
 const char kGoogleSearchFieldtrialParameter[] =
     "google:searchFieldtrialParameter";
 const char kGoogleSourceIdParameter[] = "google:sourceId";
@@ skipping 70 matching lines @@
   return std::string();
 }
 
 }  // namespace
 
 
 // TemplateURLRef::SearchTermsArgs --------------------------------------------
 
 TemplateURLRef::SearchTermsArgs::SearchTermsArgs(const string16& search_terms)
     : search_terms(search_terms),
-      accepted_suggestion(NO_SUGGESTIONS_AVAILABLE) {
+      accepted_suggestion(NO_SUGGESTIONS_AVAILABLE),
+      cursor_position(string16::npos) {
 }
 
 
 // TemplateURLRef -------------------------------------------------------------
 
 TemplateURLRef::TemplateURLRef(TemplateURL* owner, Type type)
     : owner_(owner),
       type_(type),
       index_in_owner_(-1),
       parsed_(false),
@@ skipping 131 matching lines @@
       }
 
       case GOOGLE_BASE_URL:
         url.insert(i->index, search_terms_data.GoogleBaseURLValue());
         break;
 
       case GOOGLE_BASE_SUGGEST_URL:
         url.insert(i->index, search_terms_data.GoogleBaseSuggestURLValue());
         break;
 
+      case GOOGLE_CURSOR_POSITION:
+        if (search_terms_args.cursor_position != string16::npos)
+          url.insert(i->index,
+                     base::StringPrintf("cp=%" PRIuS "&",
+                                        search_terms_args.cursor_position));
+        break;
+
       case GOOGLE_INSTANT_ENABLED:
         url.insert(i->index, search_terms_data.InstantEnabledParam());
         break;
 
       case GOOGLE_INSTANT_EXTENDED_ENABLED:
         url.insert(i->index, search_terms_data.InstantExtendedEnabledParam());
         break;
 
       case GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION:
         if (search_terms_args.accepted_suggestion >= 0 ||
@@ skipping 239 matching lines @@
     if (!optional)
       url->insert(start, kOutputEncodingType);
   } else if (parameter == kGoogleAcceptedSuggestionParameter) {
     replacements->push_back(Replacement(GOOGLE_ACCEPTED_SUGGESTION, start));
   } else if (parameter == kGoogleAssistedQueryStatsParameter) {
     replacements->push_back(Replacement(GOOGLE_ASSISTED_QUERY_STATS, start));
   } else if (parameter == kGoogleBaseURLParameter) {
     replacements->push_back(Replacement(GOOGLE_BASE_URL, start));
   } else if (parameter == kGoogleBaseSuggestURLParameter) {
     replacements->push_back(Replacement(GOOGLE_BASE_SUGGEST_URL, start));
+  } else if (parameter == kGoogleCursorPositionParameter) {
+    replacements->push_back(Replacement(GOOGLE_CURSOR_POSITION, start));
   } else if (parameter == kGoogleInstantEnabledParameter) {
     replacements->push_back(Replacement(GOOGLE_INSTANT_ENABLED, start));
   } else if (parameter == kGoogleInstantExtendedEnabledParameter) {
     replacements->push_back(Replacement(GOOGLE_INSTANT_EXTENDED_ENABLED,
                                         start));
   } else if (parameter == kGoogleOriginalQueryForSuggestionParameter) {
     replacements->push_back(Replacement(GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION,
                                         start));
   } else if (parameter == kGoogleRLZParameter) {
     replacements->push_back(Replacement(GOOGLE_RLZ, start));
@@ skipping 287 matching lines @@
 }
 
 void TemplateURL::ResetKeywordIfNecessary(bool force) {
   if (IsGoogleSearchURLWithReplaceableKeyword() || force) {
     DCHECK(!IsExtensionKeyword());
     GURL url(TemplateURLService::GenerateSearchURL(this));
     if (url.is_valid())
       data_.SetKeyword(TemplateURLService::GenerateKeyword(url));
   }
 }