controller_pairing_screen_handler.cc revision 116680a4aac90f2aa7413d9095a592090648e557 
1// Copyright 2014 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/chromeos/login/controller_pairing_screen_handler.h"
6
7#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
8#include "content/public/browser/web_contents.h"
9
10namespace chromeos {
11
12namespace {
13
14const char kJsScreenPath[] = "login.ControllerPairingScreen";
15
16const char kMethodContextChanged[] = "contextChanged";
17
18const char kCallbackUserActed[] = "userActed";
19const char kCallbackContextChanged[] = "contextChanged";
20
21}  // namespace
22
23ControllerPairingScreenHandler::ControllerPairingScreenHandler()
24    : BaseScreenHandler(kJsScreenPath), delegate_(NULL), show_on_init_(false) {
25}
26
27ControllerPairingScreenHandler::~ControllerPairingScreenHandler() {
28  if (delegate_)
29    delegate_->OnActorDestroyed(this);
30}
31
32void ControllerPairingScreenHandler::HandleUserActed(
33    const std::string& action) {
34  if (!delegate_)
35    return;
36  delegate_->OnUserActed(action);
37}
38
39void ControllerPairingScreenHandler::HandleContextChanged(
40    const base::DictionaryValue* diff) {
41  if (!delegate_)
42    return;
43  delegate_->OnScreenContextChanged(*diff);
44}
45
46void ControllerPairingScreenHandler::Initialize() {
47  if (!page_is_ready() || !delegate_)
48    return;
49
50  if (show_on_init_) {
51    Show();
52    show_on_init_ = false;
53  }
54}
55
56void ControllerPairingScreenHandler::DeclareLocalizedValues(
57    LocalizedValuesBuilder* builder) {
58}
59
60void ControllerPairingScreenHandler::RegisterMessages() {
61  AddPrefixedCallback(kCallbackUserActed,
62                      &ControllerPairingScreenHandler::HandleUserActed);
63  AddPrefixedCallback(kCallbackContextChanged,
64                      &ControllerPairingScreenHandler::HandleContextChanged);
65}
66
67void ControllerPairingScreenHandler::Show() {
68  if (!page_is_ready()) {
69    show_on_init_ = true;
70    return;
71  }
72  ShowScreen(OobeUI::kScreenControllerPairing, NULL);
73}
74
75void ControllerPairingScreenHandler::Hide() {
76}
77
78void ControllerPairingScreenHandler::SetDelegate(Delegate* delegate) {
79  delegate_ = delegate;
80  if (page_is_ready())
81    Initialize();
82}
83
84void ControllerPairingScreenHandler::OnContextChanged(
85    const base::DictionaryValue& diff) {
86  CallJS(kMethodContextChanged, diff);
87}
88
89content::BrowserContext* ControllerPairingScreenHandler::GetBrowserContext() {
90  return web_ui()->GetWebContents()->GetBrowserContext();
91}
92
93}  // namespace chromeos
94