Add a "device disabled" OOBE screen

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

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h"
+
+#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
+#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "chrome/grit/generated_resources.h"
+
+namespace {
+
+const char kJsScreenPath[] = "login.DeviceDisabledScreen";
+
+}  // namespace
+
+namespace chromeos {
+
+DeviceDisabledScreenHandler::DeviceDisabledScreenHandler()
+    : BaseScreenHandler(kJsScreenPath),
+      delegate_(NULL),
+      show_on_init_(false) {
+}
+
+DeviceDisabledScreenHandler::~DeviceDisabledScreenHandler() {
+  if (delegate_)
+    delegate_->OnActorDestroyed(this);
+}
+
+void DeviceDisabledScreenHandler::Show() {
+  if (!page_is_ready()) {
+    show_on_init_ = true;
+    return;
+  }
+
+  ShowScreen(OobeUI::kScreenDeviceDisabled, NULL);
+}
+
+void DeviceDisabledScreenHandler::Hide() {
+}

[Nikita (slow), 2014/10/22 10:33:53]

nit: show_on_init_ = false;

[bartfab (slow), 2014/10/22 11:32:16]

Done. Note that none of the other screens do this. It would seem that they all
should.

[Nikita (slow), 2014/10/22 11:59:14]

You're right, we'll address that.

+
+void DeviceDisabledScreenHandler::SetDelegate(Delegate* delegate) {
+  delegate_ = delegate;
+  if (page_is_ready())
+    Initialize();
+}
+
+void DeviceDisabledScreenHandler::DeclareLocalizedValues(
+    LocalizedValuesBuilder* builder) {
+  builder->Add("deviceDisabledHeading", IDS_DEVICE_DISABLED_HEADING);
+  builder->Add("deviceDisabledDefaultMessage",
+               IDS_DEVICE_DISABLED_DEFAULT_MESSAGE);
+  builder->Add("deviceDisabledExplanation", IDS_DEVICE_DISABLED_EXPLANATION);
+}
+
+void DeviceDisabledScreenHandler::Initialize() {
+  if (!page_is_ready() || !delegate_)
+    return;
+
+  if (show_on_init_) {
+    Show();
+    show_on_init_ = false;
+  }
+}
+
+void DeviceDisabledScreenHandler::RegisterMessages() {
+}
+
+}  // namespace chromeos