Create OOBE screen for Voice Interaction value proposition

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

+// Copyright 2017 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/voice_interaction_value_prop_screen_handler.h"
+
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/login/oobe_screen.h"
+#include "chrome/browser/chromeos/login/screens/voice_interaction_value_prop_screen.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/login/localized_values_builder.h"
+
+namespace {
+
+const char kJsScreenPath[] = "login.VoiceInteractionValuePropScreen";
+
+}  // namespace
+
+namespace chromeos {
+
+VoiceInteractionValuePropScreenHandler::VoiceInteractionValuePropScreenHandler()
+    : BaseScreenHandler(kScreenId) {
+  set_call_js_prefix(kJsScreenPath);
+}
+
+VoiceInteractionValuePropScreenHandler::
+    ~VoiceInteractionValuePropScreenHandler() {
+  if (screen_) {
+    screen_->OnViewDestroyed(this);
+  }
+}
+
+void VoiceInteractionValuePropScreenHandler::DeclareLocalizedValues(
+    ::login::LocalizedValuesBuilder* builder) {
+  builder->Add("locale", g_browser_process->GetApplicationLocale());
+  builder->Add("voiceInteractionValuePropNoThanksButton",
+               IDS_VOICE_INTERACTION_VALUE_PROP_NO_THANKS_BUTTON);
+  builder->Add("voiceInteractionValuePropContinueButton",
+               IDS_VOICE_INTERACTION_VALUE_PROP_CONTINUE_BUTTION);
+}
+
+void VoiceInteractionValuePropScreenHandler::Bind(
+    VoiceInteractionValuePropScreen* screen) {
+  BaseScreenHandler::SetBaseScreen(screen);
+  screen_ = screen;
+  if (page_is_ready())
+    Initialize();
+}
+
+void VoiceInteractionValuePropScreenHandler::Unbind() {
+  screen_ = nullptr;
+  BaseScreenHandler::SetBaseScreen(nullptr);
+}
+
+void VoiceInteractionValuePropScreenHandler::Show() {
+  if (!page_is_ready() || !screen_) {
+    show_on_init_ = true;
+    return;
+  }
+
+  ShowScreen(kScreenId);
+}
+
+void VoiceInteractionValuePropScreenHandler::Hide() {}
+
+void VoiceInteractionValuePropScreenHandler::Initialize() {
+  if (!screen_ || !show_on_init_)
+    return;
+
+  Show();
+  show_on_init_ = false;
+}
+
+}  // namespace chromeos