[cros] Remove Views implementation for login/OOBE.

chrome/browser/chromeos/login/views_login_display.cc

-// Copyright (c) 2011 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/chromeos/login/views_login_display.h"
-
-#include <algorithm>
-#include <vector>
-
-#include "base/stl_util.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/chromeos/input_method/xkeyboard.h"
-#include "chrome/browser/chromeos/login/help_app_launcher.h"
-#include "chrome/browser/chromeos/login/message_bubble.h"
-#include "chrome/browser/chromeos/login/wizard_accessibility_helper.h"
-#include "chrome/browser/chromeos/view_ids.h"
-#include "chrome/browser/ui/views/window.h"
-#include "grit/chromium_strings.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "views/widget/widget.h"
-
-#if defined(TOOLKIT_USES_GTK)
-#include "chrome/browser/chromeos/wm_ipc.h"
-#endif
-
-namespace {
-
-// Max number of users we'll show. The true max is the min of this and the
-// number of windows that fit on the screen.
-const size_t kMaxUsers = 6;
-
-// Minimum number of users we'll show (including Guest and New User pods).
-const size_t kMinUsers = 3;
-
-// Used to indicate no user has been selected.
-const size_t kNotSelected = -1;
-
-// Offset of cursor in first position from edit left side. It's used to position
-// info bubble arrow to cursor.
-const int kCursorOffset = 5;
-
-// Checks if display names are unique. If there are duplicates, enables
-// tooltips with full emails to let users distinguish their accounts.
-// Otherwise, disables the tooltips.
-void EnableTooltipsIfNeeded(
-    const std::vector<chromeos::UserController*>& controllers) {
-  for (size_t i = 0; i < controllers.size(); ++i) {
-    bool show_tooltip = controllers[i]->is_new_user() ||
-                        controllers[i]->is_guest() ||
-                        controllers[i]->user().NeedsNameTooltip();
-    controllers[i]->EnableNameTooltip(show_tooltip);
-  }
-}
-
-}  // namespace
-
-namespace chromeos {
-
-ViewsLoginDisplay::ViewsLoginDisplay(LoginDisplay::Delegate* delegate,
-                                     const gfx::Rect& background_bounds)
-    : LoginDisplay(delegate, background_bounds),
-      bubble_(NULL),
-      controller_for_removal_(NULL),
-      selected_view_index_(kNotSelected) {
-}
-
-ViewsLoginDisplay::~ViewsLoginDisplay() {
-  ClearErrors();
-  STLDeleteElements(&controllers_);
-  STLDeleteElements(&invisible_controllers_);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ViewsLoginDisplay, LoginDisplay implementation:
-//
-
-void ViewsLoginDisplay::Init(const std::vector<UserManager::User>& users,
-                             bool show_guest,
-                             bool show_new_user) {
-  size_t max_users = kMaxUsers;
-  if (width() > 0) {
-    size_t users_per_screen = (width() - login::kUserImageSize) /
-        (UserController::kUnselectedSize + UserController::kPadding);
-    max_users = std::max(kMinUsers, std::min(kMaxUsers, users_per_screen));
-  }
-
-  size_t visible_users_count = std::min(users.size(), max_users -
-      static_cast<int>(show_guest) - static_cast<int>(show_new_user));
-  for (size_t i = 0; i < users.size(); ++i) {
-    UserController* user_controller = new UserController(this, users[i]);
-    if (controllers_.size() < visible_users_count) {
-      controllers_.push_back(user_controller);
-    } else if (user_controller->is_owner()) {
-      // Make sure that owner of the device is always visible on login screen.
-      invisible_controllers_.insert(invisible_controllers_.begin(),
-                                    controllers_.back());
-      controllers_.back() = user_controller;
-    } else {
-      invisible_controllers_.push_back(user_controller);
-    }
-  }
-  if (show_guest)
-    controllers_.push_back(new UserController(this, true));
-
-  if (show_new_user)
-    controllers_.push_back(new UserController(this, false));
-
-  // If there's only new user pod, show the guest session link on it.
-  bool show_guest_link = controllers_.size() == 1;
-  for (size_t i = 0; i < controllers_.size(); ++i) {
-    (controllers_[i])->Init(static_cast<int>(i),
-                            static_cast<int>(controllers_.size()),
-                            show_guest_link);
-  }
-  EnableTooltipsIfNeeded(controllers_);
-}
-
-void ViewsLoginDisplay::OnBeforeUserRemoved(const std::string& username) {
-  controller_for_removal_ = controllers_[selected_view_index_];
-  controllers_.erase(controllers_.begin() + selected_view_index_);
-  EnableTooltipsIfNeeded(controllers_);
-
-  // Update user count before unmapping windows, otherwise window manager won't
-  // be in the right state.
-  int new_size = static_cast<int>(controllers_.size());
-  for (int i = 0; i < new_size; ++i)
-    controllers_[i]->UpdateUserCount(i, new_size);
-}
-
-void ViewsLoginDisplay::OnUserImageChanged(UserManager::User* user) {
-  UserController* controller = GetUserControllerByEmail(user->email());
-  if (controller)
-    controller->OnUserImageChanged(user);
-}
-
-void ViewsLoginDisplay::OnUserRemoved(const std::string& username) {
-  // We need to unmap entry windows, the windows will be unmapped in destructor.
-  MessageLoop::current()->DeleteSoon(FROM_HERE, controller_for_removal_);
-  controller_for_removal_ = NULL;
-
-  // Nothing to insert.
-  if (invisible_controllers_.empty())
-    return;
-
-  // Insert just before guest or add new user pods if any.
-  size_t new_size = controllers_.size();
-  size_t insert_position = new_size;
-  while (insert_position > 0 &&
-         (controllers_[insert_position - 1]->is_new_user() ||
-          controllers_[insert_position - 1]->is_guest())) {
-    --insert_position;
-  }
-
-  controllers_.insert(controllers_.begin() + insert_position,
-                      invisible_controllers_[0]);
-  invisible_controllers_.erase(invisible_controllers_.begin());
-
-  // Update counts for exiting pods.
-  new_size = controllers_.size();
-  for (size_t i = 0; i < new_size; ++i) {
-    if (i != insert_position)
-      controllers_[i]->UpdateUserCount(i, new_size);
-  }
-
-  // And initialize new one that was invisible.
-  controllers_[insert_position]->Init(insert_position, new_size, false);
-
-  EnableTooltipsIfNeeded(controllers_);
-}
-
-void ViewsLoginDisplay::OnFadeOut() {
-  controllers_[selected_view_index_]->StopThrobber();
-}
-
-void ViewsLoginDisplay::OnLoginSuccess(const std::string& username) {
-}
-
-void ViewsLoginDisplay::SetUIEnabled(bool is_enabled) {
-#if defined(TOOLKIT_USES_GTK)
-  // Send message to WM to enable/disable click on windows.
-  WmIpc::Message message(WM_IPC_MESSAGE_WM_SET_LOGIN_STATE);
-  message.set_param(0, is_enabled);
-  WmIpc::instance()->SendMessage(message);
-#endif
-
-  if (is_enabled)
-    controllers_[selected_view_index_]->ClearAndEnablePassword();
-}
-
-void ViewsLoginDisplay::SelectPod(int index) {
-  SelectUser(index);
-}
-
-void ViewsLoginDisplay::ShowError(int error_msg_id,
-                                  int login_attempts,
-                                  HelpAppLauncher::HelpTopic help_topic_id) {
-  ClearErrors();
-  string16 error_text;
-  error_msg_id_ = error_msg_id;
-  help_topic_id_ = help_topic_id;
-
-  // GetStringF fails on debug build if there's no replacement in the string.
-  if (error_msg_id == IDS_LOGIN_ERROR_AUTHENTICATING_HOSTED) {
-    error_text = l10n_util::GetStringFUTF16(
-        error_msg_id, l10n_util::GetStringUTF16(IDS_PRODUCT_OS_NAME));
-  } else if (error_msg_id == IDS_LOGIN_ERROR_CAPTIVE_PORTAL) {
-    error_text = l10n_util::GetStringFUTF16(
-        error_msg_id, delegate()->GetConnectedNetworkName());
-  } else {
-    error_text = l10n_util::GetStringUTF16(error_msg_id);
-  }
-
-  // Display a warning if Caps Lock is on and error is authentication-related.
-  if (input_method::XKeyboard::CapsLockIsEnabled() &&
-      error_msg_id != IDS_LOGIN_ERROR_WHITELIST) {
-    // TODO(ivankr): use a format string instead of concatenation.
-    error_text += ASCIIToUTF16("\n") +
-        l10n_util::GetStringUTF16(IDS_LOGIN_ERROR_CAPS_LOCK_HINT);
-  }
-
-  gfx::Rect bounds =
-      controllers_[selected_view_index_]->GetMainInputScreenBounds();
-  views::BubbleBorder::ArrowLocation arrow;
-  if (controllers_[selected_view_index_]->is_new_user()) {
-    arrow = views::BubbleBorder::LEFT_TOP;
-  } else {
-    // Point info bubble arrow to cursor position (approximately).
-    bounds.set_width(kCursorOffset * 2);
-    arrow = views::BubbleBorder::BOTTOM_LEFT;
-  }
-
-  string16 help_link;
-  if (error_msg_id == IDS_LOGIN_ERROR_CAPTIVE_PORTAL) {
-    help_link = l10n_util::GetStringUTF16(IDS_LOGIN_FIX_CAPTIVE_PORTAL);
-  } else if (error_msg_id == IDS_LOGIN_ERROR_CAPTIVE_PORTAL_NO_GUEST_MODE) {
-    // No help link is needed.
-  } else if (error_msg_id == IDS_LOGIN_ERROR_AUTHENTICATING_HOSTED ||
-             login_attempts > 1) {
-    help_link = l10n_util::GetStringUTF16(IDS_LEARN_MORE);
-  }
-
-  bubble_ = MessageBubble::Show(
-      controllers_[selected_view_index_]->controls_widget(),
-      bounds,
-      arrow,
-      ResourceBundle::GetSharedInstance().GetBitmapNamed(IDR_WARNING),
-      UTF16ToWide(error_text),
-      UTF16ToWide(help_link),
-      this);
-  WizardAccessibilityHelper::GetInstance()->MaybeSpeak(
-      UTF16ToUTF8(error_text).c_str(), false, false);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ViewsLoginDisplay, UserController::Delegate implementation:
-//
-
-void ViewsLoginDisplay::CreateAccount() {
-  delegate()->CreateAccount();
-}
-
-void ViewsLoginDisplay::Login(UserController* source,
-                              const string16& password) {
-  delegate()->Login(source->user().email(), UTF16ToUTF8(password));
-}
-
-void ViewsLoginDisplay::LoginAsGuest() {
-  delegate()->LoginAsGuest();
-}
-
-void ViewsLoginDisplay::ClearErrors() {
-  // bubble_ will be set to NULL in callback.
-  if (bubble_)
-    bubble_->Close();
-}
-
-void ViewsLoginDisplay::OnUserSelected(UserController* source) {
-  std::vector<UserController*>::const_iterator i =
-      std::find(controllers_.begin(), controllers_.end(), source);
-  DCHECK(i != controllers_.end());
-  size_t new_selected_index = i - controllers_.begin();
-  if (new_selected_index != selected_view_index_ &&
-      selected_view_index_ != kNotSelected) {
-    controllers_[selected_view_index_]->ClearAndEnableFields();
-    controllers_[new_selected_index]->ClearAndEnableFields();
-    delegate()->OnUserSelected(source->user().email());
-  }
-  selected_view_index_ = new_selected_index;
-  WizardAccessibilityHelper::GetInstance()->MaybeSpeak(
-      source->GetAccessibleUserLabel().c_str(), false, true);
-}
-
-void ViewsLoginDisplay::RemoveUser(UserController* source) {
-  ClearErrors();
-  UserManager::Get()->RemoveUser(source->user().email(), this);
-}
-
-void ViewsLoginDisplay::SelectUser(int index) {
-#if defined(TOOLKIT_USES_GTK)
-  if (index >= 0 && index < static_cast<int>(controllers_.size()) &&
-      index != static_cast<int>(selected_view_index_)) {
-    WmIpc::Message message(WM_IPC_MESSAGE_WM_SELECT_LOGIN_USER);
-    message.set_param(0, index);
-    WmIpc::instance()->SendMessage(message);
-  }
-#endif
-}
-
-void ViewsLoginDisplay::StartEnterpriseEnrollment() {
-  delegate()->OnStartEnterpriseEnrollment();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ViewsLoginDisplay, views::MessageBubbleDelegate implementation:
-//
-
-void ViewsLoginDisplay::BubbleClosing(Bubble* bubble, bool closed_by_escape) {
-  bubble_ = NULL;
-}
-
-bool ViewsLoginDisplay::CloseOnEscape() {
-  return true;
-}
-
-bool ViewsLoginDisplay::FadeInOnShow() {
-  return false;
-}
-
-void ViewsLoginDisplay::OnLinkActivated(size_t index) {
-  ClearErrors();
-  if (error_msg_id_ == IDS_LOGIN_ERROR_CAPTIVE_PORTAL) {
-    delegate()->FixCaptivePortal();
-    return;
-  }
-  if (!parent_window())
-    return;
-  if (!help_app_.get())
-    help_app_ = new HelpAppLauncher(parent_window());
-  help_app_->ShowHelpTopic(help_topic_id_);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ViewsLoginDisplay, private:
-//
-
-UserController* ViewsLoginDisplay::GetUserControllerByEmail(
-    const std::string& email) {
-  std::vector<UserController*>::iterator i;
-  for (i = controllers_.begin(); i != controllers_.end(); ++i) {
-    if ((*i)->user().email() == email)
-      return *i;
-  }
-  for (i = invisible_controllers_.begin();
-       i != invisible_controllers_.end(); ++i) {
-    if ((*i)->user().email() == email)
-      return *i;
-  }
-  return NULL;
-}
-
-}  // namespace chromeos