Refactor kiosk app launch to be part of login screen UI flow.

chrome/browser/ui/webui/chromeos/app_launch_ui.cc

-// Copyright (c) 2012 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/app_launch_ui.h"
-
-#include "base/values.h"
-#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/webui/theme_source.h"
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/web_ui.h"
-#include "content/public/browser/web_ui_data_source.h"
-#include "content/public/browser/web_ui_message_handler.h"
-#include "grit/browser_resources.h"
-#include "grit/chrome_unscaled_resources.h"
-#include "grit/chromium_strings.h"
-#include "grit/generated_resources.h"
-#include "net/base/network_change_notifier.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/webui/web_ui_util.h"
-
-namespace chromeos {
-
-namespace {
-
-content::WebUIDataSource* CreateWebUIDataSource() {
-  content::WebUIDataSource* source =
-        content::WebUIDataSource::Create(chrome::kChromeUIAppLaunchHost);
-  source->SetDefaultResource(IDR_APP_LAUNCH_SPLASH_HTML);
-  source->SetUseJsonJSFormatV2();
-  source->AddLocalizedString("appStartMessage",
-                             net::NetworkChangeNotifier::IsOffline() ?
-                                 IDS_APP_START_NETWORK_WAIT_MESSAGE :
-                                 IDS_APP_START_APP_WAIT_MESSAGE);
-  source->AddLocalizedString("productName", IDS_SHORT_PRODUCT_NAME);
-
-  const string16 product_os_name =
-      l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME);
-  source->AddString(
-      "shortcutInfo",
-      l10n_util::GetStringFUTF16(IDS_APP_START_BAILOUT_SHORTCUT_FORMAT,
-                                 product_os_name));
-
-  source->AddBoolean("shortcutEnabled",
-                     !KioskAppManager::Get()->GetDisableBailoutShortcut());
-
-  source->SetJsonPath("strings.js");
-  source->AddResourcePath("app_launch.js", IDR_APP_LAUNCH_SPLASH_JS);
-  return source;
-}
-
-}  // namespace
-
-class AppLaunchUI::AppLaunchUIHandler : public content::WebUIMessageHandler {
- public:
-  AppLaunchUIHandler() : initialized_(false) {}
-  virtual ~AppLaunchUIHandler() {}
-
-  void SetLaunchText(const std::string& text) {
-    text_ = text;
-    if (initialized_)
-      SendLaunchText();
-  }
-
-  // content::WebUIMessageHandler overrides:
-  virtual void RegisterMessages() OVERRIDE {
-    web_ui()->RegisterMessageCallback("initialize",
-        base::Bind(&AppLaunchUIHandler::HandleInitialize,
-                   base::Unretained(this)));
-  }
-
- private:
-  void SendAppInfo(const std::string& app_id) {
-    KioskAppManager::App app;
-    KioskAppManager::Get()->GetApp(app_id, &app);
-
-    if (app.name.empty())
-      app.name = l10n_util::GetStringUTF8(IDS_SHORT_PRODUCT_NAME);
-
-    if (app.icon.isNull()) {
-      app.icon = *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-          IDR_PRODUCT_LOGO_128);
-    }
-
-    base::DictionaryValue app_info;
-    app_info.SetString("name", app.name);
-    app_info.SetString("iconURL", webui::GetBitmapDataUrl(*app.icon.bitmap()));
-
-    web_ui()->CallJavascriptFunction("updateApp", app_info);
-  }
-
-  void SendLaunchText() {
-    web_ui()->CallJavascriptFunction("updateMessage", base::StringValue(text_));
-  }
-
-  // JS callbacks.
-  void HandleInitialize(const base::ListValue* args) {
-    initialized_ = true;
-
-    std::string app_id;
-    if (args->GetString(0, &app_id) && !app_id.empty())
-      SendAppInfo(app_id);
-
-    SendLaunchText();
-  }
-
-  bool initialized_;
-  std::string text_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppLaunchUIHandler);
-};
-
-AppLaunchUI::AppLaunchUI(content::WebUI* web_ui)
-    : WebUIController(web_ui),
-      handler_(NULL) {
-  Profile* profile = Profile::FromWebUI(web_ui);
-  content::WebUIDataSource::Add(profile, CreateWebUIDataSource());
-
-  handler_ = new AppLaunchUIHandler;
-  web_ui->AddMessageHandler(handler_);
-}
-
-void AppLaunchUI::SetLaunchText(const std::string& text) {
-  handler_->SetLaunchText(text);
-}
-
-}  // namespace chromeos