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