// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/session/session_aborted_dialog.h"

#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/base/mojom/ui_base_types.mojom-shared.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/border.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/layout/layout_provider.h"
#include "ui/views/widget/widget.h"

namespace ash {

namespace {

// Default width of the dialog.
constexpr int kDefaultWidth = 448;

}  // namespace

// static
void SessionAbortedDialog::Show(const std::string& user_email) {
  SessionAbortedDialog* dialog_view = new SessionAbortedDialog();
  dialog_view->InitDialog(user_email);
  views::DialogDelegate::CreateDialogWidget(
      dialog_view, Shell::GetRootWindowForNewWindows(), nullptr);
  views::Widget* widget = dialog_view->GetWidget();
  DCHECK(widget);
  widget->Show();

  // Since this is the last thing the user ever sees, we also hide all system
  // trays from the screen.
  std::vector<RootWindowController*> controllers =
      Shell::GetAllRootWindowControllers();
  for (RootWindowController* controller : controllers) {
    controller->shelf()->SetAutoHideBehavior(
        ShelfAutoHideBehavior::kAlwaysHidden);
  }
}

gfx::Size SessionAbortedDialog::CalculatePreferredSize(
    const views::SizeBounds& available_size) const {
  return gfx::Size(
      kDefaultWidth,
      GetLayoutManager()->GetPreferredHeightForWidth(this, kDefaultWidth));
}

SessionAbortedDialog::SessionAbortedDialog() {
  SetModalType(ui::mojom::ModalType::kSystem);
  SetTitle(
      l10n_util::GetStringUTF16(IDS_ASH_MULTIPROFILES_SESSION_ABORT_HEADLINE));
  SetShowCloseButton(false);

  SetButtons(static_cast<int>(ui::mojom::DialogButton::kOk));
  SetButtonLabel(ui::mojom::DialogButton::kOk,
                 l10n_util::GetStringUTF16(
                     IDS_ASH_MULTIPROFILES_SESSION_ABORT_BUTTON_LABEL));
  SetAcceptCallback(base::BindOnce(
      []() { Shell::Get()->session_controller()->RequestSignOut(); }));
  // Prevent dismissing dialog via keyboard accelerator.
  SetCancelCallbackWithClose(
      base::BindRepeating([]() -> bool { return false; }));
}

SessionAbortedDialog::~SessionAbortedDialog() = default;

void SessionAbortedDialog::InitDialog(const std::string& user_email) {
  const views::LayoutProvider* provider = views::LayoutProvider::Get();
  SetBorder(views::CreateEmptyBorder(provider->GetDialogInsetsForContentType(
      views::DialogContentType::kText, views::DialogContentType::kText)));
  SetLayoutManager(std::make_unique<views::FillLayout>());

  // Explanation string.
  views::Label* label = new views::Label(
      l10n_util::GetStringFUTF16(IDS_ASH_MULTIPROFILES_SESSION_ABORT_MESSAGE,
                                 base::ASCIIToUTF16(user_email)));
  label->SetMultiLine(true);
  label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  label->SetAllowCharacterBreak(true);
  AddChildViewRaw(label);
}

}  // namespace ash