chrome/browser/ui/webui/chromeos/login/screen_manager_handler.cc

   1 // Copyright (c) 2013 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/screen_manager_handler.h"
   6
   7 namespace {
   8
   9 const char kJsApiButtonPressed[] = "buttonPressed";
  10 const char kJsApiContextChanged[] = "contextChanged";
  11
  12 }  // namespace
  13
  14 namespace chromeos {
  15
  16 ScreenManagerHandler::ScreenManagerHandler()
  17     : delegate_(NULL) {
  18 }
  19
  20 ScreenManagerHandler::~ScreenManagerHandler() {
  21 }
  22
  23 void ScreenManagerHandler::SetDelegate(Delegate* delegate) {
  24   delegate_ = delegate;
  25 }
  26
  27 void ScreenManagerHandler::DeclareLocalizedValues(
  28     LocalizedValuesBuilder* builder) {
  29 }
  30
  31 void ScreenManagerHandler::Initialize() {
  32 }
  33
  34 void ScreenManagerHandler::RegisterMessages() {
  35   AddCallback(kJsApiButtonPressed,
  36               &ScreenManagerHandler::HandleButtonPressed);
  37   AddCallback(kJsApiContextChanged,
  38               &ScreenManagerHandler::HandleContextChanged);
  39 }
  40
  41 void ScreenManagerHandler::HandleButtonPressed(const std::string& screen_name,
  42                                                const std::string& button_id) {
  43   if (delegate_)
  44     delegate_->OnButtonPressed(screen_name, button_id);
  45 }
  46
  47 void ScreenManagerHandler::HandleContextChanged(
  48     const std::string& screen_name,
  49     const base::DictionaryValue* diff) {
  50   if (delegate_)
  51     delegate_->OnContextChanged(screen_name, diff);
  52 }
  53
  54 }  // namespace chromeos