Implemented screen notifying users about malformed HWID.

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

+// Copyright (c) 2013 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/wrong_hwid_screen_handler.h"
+
+#include <string>
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/values.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "grit/browser_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+// Reset screen id.
+const char kWrongHWIDScreen[] = "wrong-hwid";
+
+}  // namespace
+
+namespace chromeos {
+
+WrongHWIDScreenHandler::WrongHWIDScreenHandler()
+    : delegate_(NULL), show_on_init_(false) {
+}
+
+WrongHWIDScreenHandler::~WrongHWIDScreenHandler() {
+  if (delegate_)
+    delegate_->OnActorDestroyed(this);
+}
+
+void WrongHWIDScreenHandler::PrepareToShow() {
+}
+
+void WrongHWIDScreenHandler::Show() {
+  if (!page_is_ready()) {
+    show_on_init_ = true;
+    return;
+  }
+  ShowScreen(kWrongHWIDScreen, NULL);
+}
+
+void WrongHWIDScreenHandler::Hide() {
+}
+
+void WrongHWIDScreenHandler::SetDelegate(Delegate* delegate) {
+  delegate_ = delegate;
+  if (page_is_ready())
+    Initialize();
+}
+
+void WrongHWIDScreenHandler::GetLocalizedStrings(
+    base::DictionaryValue* localized_strings) {
+  localized_strings->SetString(
+      "wrongHWIDScreenHeader",
+      l10n_util::GetStringUTF16(IDS_WRONG_HWID_SCREEN_HEADER));
+  localized_strings->SetString(
+      "wrongHWIDMessageFirstPart",
+      l10n_util::GetStringUTF16(IDS_WRONG_HWID_SCREEN_MESSAGE_FIRST_PART));
+  localized_strings->SetString(
+      "wrongHWIDMessageSecondPart",
+      l10n_util::GetStringUTF16(IDS_WRONG_HWID_SCREEN_MESSAGE_SECOND_PART));
+  localized_strings->SetString(
+      "wrongHWIDScreenSkipLink",
+      l10n_util::GetStringUTF16(IDS_WRONG_HWID_SCREEN_SKIP_LINK));
+}
+
+void WrongHWIDScreenHandler::Initialize() {
+  if (!page_is_ready() || !delegate_)
+    return;
+
+  if (show_on_init_) {
+    Show();
+    show_on_init_ = false;
+  }
+}
+
+void WrongHWIDScreenHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback("wrongHWIDOnSkip",
+      base::Bind(&WrongHWIDScreenHandler::HandleOnSkip,
+                 base::Unretained(this)));
+}
+
+void WrongHWIDScreenHandler::HandleOnSkip(const base::ListValue* args) {
+  if (delegate_)
+    delegate_->OnExit();
+}
+
+}  // namespace chromeos
+