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

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

+// Copyright 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/app_launch_splash_screen_handler.h"
+
+#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
+#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "grit/browser_resources.h"
+#include "grit/chrome_unscaled_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/webui/web_ui_util.h"
+
+namespace {
+
+const char kJsScreenPath[] = "login.AppLaunchSplashScreen";
+
+} // namespace
+
+namespace chromeos {
+
+AppLaunchSplashScreenHandler::AppLaunchSplashScreenHandler()
+    : BaseScreenHandler(kJsScreenPath),
+      delegate_(NULL),
+      show_on_init_(false),
+      state_(APP_LAUNCH_STATE_LOADING_AUTH_FILE) {
+}
+
+AppLaunchSplashScreenHandler::~AppLaunchSplashScreenHandler() {
+}
+
+void AppLaunchSplashScreenHandler::DeclareLocalizedValues(
+    LocalizedValuesBuilder* builder) {
+
+  builder->Add("appStartMessage", IDS_APP_START_NETWORK_WAIT_MESSAGE);
+
+  const string16 product_os_name =
+      l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME);
+  builder->Add(
+      "shortcutInfo",
+      l10n_util::GetStringFUTF16(IDS_APP_START_BAILOUT_SHORTCUT_FORMAT,
+                                   product_os_name));

[xiyuan, 2013/08/15 18:19:42]

nit: alignment

[Tim Song, 2013/08/16 19:07:59]

Done.

+
+  builder->Add(
+      "productName",
+      l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME));
+}
+
+void AppLaunchSplashScreenHandler::Initialize() {
+  if (show_on_init_) {
+    show_on_init_ = false;
+    Show(app_id_);
+  }
+}
+
+void AppLaunchSplashScreenHandler::Show(const std::string& app_id) {
+  app_id_ = app_id;
+  if (!page_is_ready()) {
+    show_on_init_ = true;
+    return;
+  }
+
+  base::DictionaryValue data;
+  data.SetBoolean("shortcutEnabled",
+                  !KioskAppManager::Get()->GetDisableBailoutShortcut());
+
+  // |data| will take ownership of |app_info|.
+  base::DictionaryValue *app_info = new base::DictionaryValue();
+  PopulateAppInfo(*app_info);
+  data.Set("appInfo", app_info);
+
+  SetLaunchText(l10n_util::GetStringUTF8(GetProgressMessageFromState(state_)));
+  ShowScreen(OobeUI::kScreenAppLaunchSplash, &data);
+}
+
+void AppLaunchSplashScreenHandler::RegisterMessages() {
+  AddCallback("configureNetwork",
+              &AppLaunchSplashScreenHandler::HandleConfigureNetwork);
+  AddCallback("cancelAppLaunch",
+              &AppLaunchSplashScreenHandler::HandleCancelAppLaunch);
+}
+
+void AppLaunchSplashScreenHandler::ToggleNetworkConfig(bool visible) {
+  // TODO(tengs): Implement network configuration in app launch.
+}
+
+void AppLaunchSplashScreenHandler::UpdateAppLaunchState(AppLaunchState state) {
+  if (state == state_)
+    return;
+
+  state_ = state;
+  if (page_is_ready())
+    SetLaunchText(
+        l10n_util::GetStringUTF8(GetProgressMessageFromState(state_)));

[xiyuan, 2013/08/15 18:19:42]

nit: need enclosing {} since it's more than one line.

[Tim Song, 2013/08/16 19:07:59]

Done.

+}
+
+void AppLaunchSplashScreenHandler::SetDelegate(
+    AppLaunchSplashScreenHandler::Delegate* delegate) {
+  delegate_ = delegate;
+}
+
+void AppLaunchSplashScreenHandler::PopulateAppInfo(
+    base::DictionaryValue& out_info) {

[xiyuan, 2013/08/15 18:19:42]

nit: usually we use '*' if the function changes the argument.

[Tim Song, 2013/08/16 19:07:59]

Done.

+  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);
+  }
+
+  out_info.SetString("name", app.name);
+  out_info.SetString("iconURL", webui::GetBitmapDataUrl(*app.icon.bitmap()));
+}
+
+void AppLaunchSplashScreenHandler::SetLaunchText(const std::string& text) {
+  CallJS("updateMessage", text);
+}
+
+int AppLaunchSplashScreenHandler::GetProgressMessageFromState(
+    AppLaunchState state) {
+  switch (state) {
+    case APP_LAUNCH_STATE_LOADING_AUTH_FILE:
+    case APP_LAUNCH_STATE_LOADING_TOKEN_SERVICE:
+      // TODO(zelidrag): Add better string for this one than "Please wait..."
+      return IDS_SYNC_SETUP_SPINNER_TITLE;
+    case APP_LAUNCH_STATE_PREPARING_NETWORK:
+      return IDS_APP_START_NETWORK_WAIT_MESSAGE;
+    case APP_LAUNCH_STATE_INSTALLING_APPLICATION:
+      return IDS_APP_START_APP_WAIT_MESSAGE;
+  }
+  return IDS_APP_START_NETWORK_WAIT_MESSAGE;
+}
+
+void AppLaunchSplashScreenHandler::HandleConfigureNetwork() {
+  if (delegate_)
+    delegate_->OnConfigureNetwork();
+  else
+    LOG(WARNING) << "No delegate set to handle network configuration.";
+}
+
+void AppLaunchSplashScreenHandler::HandleCancelAppLaunch() {
+  if (delegate_)
+    delegate_->OnCancelAppLaunch();
+  else
+    LOG(WARNING) << "No delegate set to handle cancel app launch";
+}
+
+} // namespace chromeos

[xiyuan, 2013/08/15 18:19:42]

nit: two-space before //

[Tim Song, 2013/08/16 19:07:59]

Done.