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

   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/host_pairing_screen_handler.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
   9 #include "components/login/localized_values_builder.h"
  10 #include "grit/generated_resources.h"
  11
  12 namespace chromeos {
  13
  14 namespace {
  15
  16 const char kJsScreenPath[] = "login.HostPairingScreen";
  17
  18 const char kMethodContextChanged[] = "contextChanged";
  19
  20 // Sent from JS when screen is ready to receive context updates.
  21 // TODO(dzhioev): Move 'contextReady' logic to the base screen handler when
  22 // all screens migrate to context-based communications.
  23 const char kCallbackContextReady[] = "contextReady";
  24
  25 }  // namespace
  26
  27 HostPairingScreenHandler::HostPairingScreenHandler()
  28     : BaseScreenHandler(kJsScreenPath),
  29       delegate_(NULL),
  30       show_on_init_(false),
  31       js_context_ready_(false) {
  32 }
  33
  34 HostPairingScreenHandler::~HostPairingScreenHandler() {
  35   if (delegate_)
  36     delegate_->OnActorDestroyed(this);
  37 }
  38
  39 void HostPairingScreenHandler::HandleContextReady() {
  40   js_context_ready_ = true;
  41   OnContextChanged(context_cache_.storage());
  42 }
  43
  44 void HostPairingScreenHandler::Initialize() {
  45   if (!page_is_ready() || !delegate_)
  46     return;
  47
  48   if (show_on_init_) {
  49     Show();
  50     show_on_init_ = false;
  51   }
  52 }
  53
  54 void HostPairingScreenHandler::DeclareLocalizedValues(
  55     ::login::LocalizedValuesBuilder* builder) {
  56   // TODO(dzhioev): Move the prefix logic to the base screen handler after
  57   // migration.
  58   std::string prefix;
  59   base::ReplaceChars(kJsScreenPath, ".", "_", &prefix);
  60   prefix += "_";
  61
  62   builder->Add(prefix + "welcomeTitle", IDS_PAIRING_HOST_WELCOME_TITLE);
  63   builder->Add(prefix + "welcomeText", IDS_PAIRING_HOST_WELCOME_TEXT);
  64   builder->Add(prefix + "confirmationTitle",
  65                IDS_PAIRING_HOST_CONFIRMATION_TITLE);
  66   builder->Add(prefix + "updatingTitle", IDS_PAIRING_HOST_UPDATING_TITLE);
  67   builder->Add(prefix + "updatingText", IDS_PAIRING_HOST_UPDATING_TEXT);
  68   builder->Add(prefix + "enrollTitle", IDS_PAIRING_ENROLL_TITLE);
  69   builder->Add(prefix + "enrollingTitle",
  70                IDS_PAIRING_ENROLLMENT_IN_PROGRESS);
  71   builder->Add(prefix + "doneTitle", IDS_PAIRING_HOST_DONE_TITLE);
  72   builder->Add(prefix + "doneText", IDS_PAIRING_HOST_DONE_TEXT);
  73   builder->Add(prefix + "enrollmentErrorTitle",
  74                IDS_PAIRING_ENROLLMENT_ERROR_TITLE);
  75   builder->Add(prefix + "errorNeedsRestart",
  76                IDS_PAIRING_HOST_EROLLMENT_ERROR_NEEDS_RESTART);
  77 }
  78
  79 void HostPairingScreenHandler::RegisterMessages() {
  80   AddPrefixedCallback(kCallbackContextReady,
  81                       &HostPairingScreenHandler::HandleContextReady);
  82 }
  83
  84 void HostPairingScreenHandler::Show() {
  85   if (!page_is_ready()) {
  86     show_on_init_ = true;
  87     return;
  88   }
  89   ShowScreen(OobeUI::kScreenHostPairing, NULL);
  90 }
  91
  92 void HostPairingScreenHandler::Hide() {
  93 }
  94
  95 void HostPairingScreenHandler::SetDelegate(Delegate* delegate) {
  96   delegate_ = delegate;
  97   if (page_is_ready())
  98     Initialize();
  99 }
 100
 101 void HostPairingScreenHandler::OnContextChanged(
 102     const base::DictionaryValue& diff) {
 103   if (!js_context_ready_) {
 104     context_cache_.ApplyChanges(diff, NULL);
 105     return;
 106   }
 107   CallJS(kMethodContextChanged, diff);
 108 }
 109
 110 }  // namespace chromeos