src/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/autocomplete_input.h"
  13 #include "chrome/browser/autocomplete/autocomplete_result.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "content/public/browser/web_ui.h"
  16 #include "grit/generated_resources.h"
  17 #include "ui/base/l10n/l10n_util.h"
  18
  19 namespace options {
  20
  21 HomePageOverlayHandler::HomePageOverlayHandler() {
  22 }
  23
  24 HomePageOverlayHandler::~HomePageOverlayHandler() {
  25 }
  26
  27 void HomePageOverlayHandler::RegisterMessages() {
  28   web_ui()->RegisterMessageCallback(
  29       "requestAutocompleteSuggestionsForHomePage",
  30       base::Bind(&HomePageOverlayHandler::RequestAutocompleteSuggestions,
  31                  base::Unretained(this)));
  32 }
  33
  34 void HomePageOverlayHandler::InitializeHandler() {
  35   Profile* profile = Profile::FromWebUI(web_ui());
  36   autocomplete_controller_.reset(new AutocompleteController(profile, this,
  37       AutocompleteClassifier::kDefaultOmniboxProviders));
  38 }
  39
  40 void HomePageOverlayHandler::GetLocalizedValues(
  41     base::DictionaryValue* localized_strings) {
  42   RegisterTitle(localized_strings, "homePageOverlay",
  43                 IDS_OPTIONS_HOMEPAGE_TITLE);
  44 }
  45
  46 void HomePageOverlayHandler::RequestAutocompleteSuggestions(
  47     const base::ListValue* args) {
  48   base::string16 input;
  49   CHECK_EQ(args->GetSize(), 1U);
  50   CHECK(args->GetString(0, &input));
  51
  52   autocomplete_controller_->Start(AutocompleteInput(
  53       input, base::string16::npos, base::string16(), GURL(),
  54       AutocompleteInput::INVALID_SPEC, true, false, false, true));
  55 }
  56
  57 void HomePageOverlayHandler::OnResultChanged(bool default_match_changed) {
  58   const AutocompleteResult& result = autocomplete_controller_->result();
  59   base::ListValue suggestions;
  60   OptionsUI::ProcessAutocompleteSuggestions(result, &suggestions);
  61   web_ui()->CallJavascriptFunction(
  62       "HomePageOverlay.updateAutocompleteSuggestions", suggestions);
  63 }
  64
  65 }  // namespace options