chrome/browser/ui/webui/options/home_page_overlay_handler.cc

   1 // Copyright (c) 2012 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 #include "chrome/browser/ui/webui/options/home_page_overlay_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/values.h"
  10 #include "chrome/browser/autocomplete/chrome_autocomplete_provider_client.h"
  11 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/browser/search_engines/template_url_service_factory.h"
  14 #include "chrome/grit/generated_resources.h"
  15 #include "components/metrics/proto/omnibox_event.pb.h"
  16 #include "components/omnibox/browser/autocomplete_classifier.h"
  17 #include "components/omnibox/browser/autocomplete_controller.h"
  18 #include "components/omnibox/browser/autocomplete_input.h"
  19 #include "components/omnibox/browser/autocomplete_result.h"
  20 #include "content/public/browser/web_ui.h"
  21
  22 namespace options {
  23
  24 HomePageOverlayHandler::HomePageOverlayHandler() {
  25 }
  26
  27 HomePageOverlayHandler::~HomePageOverlayHandler() {
  28 }
  29
  30 void HomePageOverlayHandler::RegisterMessages() {
  31   web_ui()->RegisterMessageCallback(
  32       "requestAutocompleteSuggestionsForHomePage",
  33       base::Bind(&HomePageOverlayHandler::RequestAutocompleteSuggestions,
  34                  base::Unretained(this)));
  35 }
  36
  37 void HomePageOverlayHandler::InitializeHandler() {
  38   Profile* profile = Profile::FromWebUI(web_ui());
  39   autocomplete_controller_.reset(new AutocompleteController(
  40       make_scoped_ptr(new ChromeAutocompleteProviderClient(profile)), this,
  41       AutocompleteClassifier::kDefaultOmniboxProviders));
  42 }
  43
  44 void HomePageOverlayHandler::GetLocalizedValues(
  45     base::DictionaryValue* localized_strings) {
  46   RegisterTitle(localized_strings, "homePageOverlay",
  47                 IDS_OPTIONS_HOMEPAGE_TITLE);
  48 }
  49
  50 void HomePageOverlayHandler::RequestAutocompleteSuggestions(
  51     const base::ListValue* args) {
  52   base::string16 input;
  53   CHECK_EQ(args->GetSize(), 1U);
  54   CHECK(args->GetString(0, &input));
  55
  56   autocomplete_controller_->Start(AutocompleteInput(
  57       input, base::string16::npos, std::string(), GURL(),
  58       metrics::OmniboxEventProto::INVALID_SPEC, true, false, false, true, false,
  59       ChromeAutocompleteSchemeClassifier(Profile::FromWebUI(web_ui()))));
  60 }
  61
  62 void HomePageOverlayHandler::OnResultChanged(bool default_match_changed) {
  63   const AutocompleteResult& result = autocomplete_controller_->result();
  64   base::ListValue suggestions;
  65   OptionsUI::ProcessAutocompleteSuggestions(result, &suggestions);
  66   web_ui()->CallJavascriptFunction(
  67       "HomePageOverlay.updateAutocompleteSuggestions", suggestions);
  68 }
  69
  70 }  // namespace options