home_page_overlay_handler.cc revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
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
19namespace options {
20
21HomePageOverlayHandler::HomePageOverlayHandler() {
22}
23
24HomePageOverlayHandler::~HomePageOverlayHandler() {
25}
26
27void HomePageOverlayHandler::RegisterMessages() {
28  web_ui()->RegisterMessageCallback(
29      "requestAutocompleteSuggestionsForHomePage",
30      base::Bind(&HomePageOverlayHandler::RequestAutocompleteSuggestions,
31                 base::Unretained(this)));
32}
33
34void HomePageOverlayHandler::InitializeHandler() {
35  Profile* profile = Profile::FromWebUI(web_ui());
36  autocomplete_controller_.reset(new AutocompleteController(profile, this,
37      AutocompleteClassifier::kDefaultOmniboxProviders));
38}
39
40void HomePageOverlayHandler::GetLocalizedValues(
41    base::DictionaryValue* localized_strings) {
42  RegisterTitle(localized_strings, "homePageOverlay",
43                IDS_OPTIONS_HOMEPAGE_TITLE);
44}
45
46void 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,
55      false, false, AutocompleteInput::ALL_MATCHES));
56}
57
58void HomePageOverlayHandler::OnResultChanged(bool default_match_changed) {
59  const AutocompleteResult& result = autocomplete_controller_->result();
60  base::ListValue suggestions;
61  OptionsUI::ProcessAutocompleteSuggestions(result, &suggestions);
62  web_ui()->CallJavascriptFunction(
63      "HomePageOverlay.updateAutocompleteSuggestions", suggestions);
64}
65
66}  // namespace options
67