ui/views/examples/dialog_example.h

// 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.

#ifndef UI_VIEWS_EXAMPLES_DIALOG_EXAMPLE_H_
#define UI_VIEWS_EXAMPLES_DIALOG_EXAMPLE_H_

#include <string_view>

#include "base/memory/raw_ptr.h"
#include "ui/base/models/simple_combobox_model.h"
#include "ui/base/mojom/ui_base_types.mojom-shared.h"
#include "ui/base/ui_base_types.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/examples/example_base.h"

namespace views {

class Checkbox;
class Combobox;
class DialogDelegate;
class Label;
class LabelButton;
class Textfield;
class View;

namespace examples {

// An example that exercises BubbleDialogDelegateView or DialogDelegateView.
class VIEWS_EXAMPLES_EXPORT DialogExample : public ExampleBase,
                                            public TextfieldController {
 public:
  DialogExample();

  DialogExample(const DialogExample&) = delete;
  DialogExample& operator=(const DialogExample&) = delete;

  ~DialogExample() override;

  // ExampleBase:
  void CreateExampleView(View* container) override;

  // Interrogates the configuration Views for DialogDelegate.
  ui::mojom::ModalType GetModalType() const;
  int GetDialogButtons() const;

  void set_last_body_label(Label* last_body_label) {
    last_body_label_ = last_body_label;
  }
  std::u16string_view title_text() const { return title_->GetText(); }
  std::u16string_view body_text() const { return body_->GetText(); }
  std::u16string_view ok_button_text() const {
    return ok_button_label_->GetText();
  }
  std::u16string_view cancel_button_text() const {
    return cancel_button_label_->GetText();
  }
  std::u16string_view extra_button_text() const {
    return extra_button_label_->GetText();
  }
  bool has_extra_button_checked() const {
    return has_extra_button_->GetChecked();
  }
  bool persistent_bubble_checked() const {
    return persistent_bubble_->GetChecked();
  }

  bool OnCancel();
  bool OnAccept();

 private:
  // Helper methods to setup the configuration Views.
  void StartTextfieldRow(View* parent,
                         raw_ptr<Textfield>* member,
                         std::u16string label,
                         std::u16string value,
                         Label** created_label = nullptr,
                         bool pad_last_col = false);
  void AddCheckbox(View* parent, raw_ptr<Checkbox>* member, Label* label);

  // Checkbox callback
  void OnPerformAction();

  // Invoked when the dialog is closing.
  bool AllowDialogClose(bool accept);

  // Resize the dialog Widget to match the preferred size. Triggers layout.
  void ResizeDialog();

  void ShowButtonPressed();
  void BubbleCheckboxPressed();
  void OtherCheckboxPressed();

  // TextfieldController:
  void ContentsChanged(Textfield* sender,
                       const std::u16string& new_contents) override;

  raw_ptr<DialogDelegate> last_dialog_ = nullptr;
  raw_ptr<Label> last_body_label_ = nullptr;

  raw_ptr<Textfield> title_ = nullptr;
  raw_ptr<Textfield> body_ = nullptr;
  raw_ptr<Textfield> ok_button_label_ = nullptr;
  raw_ptr<Checkbox> has_ok_button_ = nullptr;
  raw_ptr<Textfield> cancel_button_label_ = nullptr;
  raw_ptr<Checkbox> has_cancel_button_ = nullptr;
  raw_ptr<Textfield> extra_button_label_ = nullptr;
  raw_ptr<Checkbox> has_extra_button_ = nullptr;
  raw_ptr<Combobox> mode_;
  raw_ptr<Checkbox> bubble_ = nullptr;
  raw_ptr<Checkbox> persistent_bubble_ = nullptr;
  raw_ptr<LabelButton> show_;
  ui::SimpleComboboxModel mode_model_;
};

}  // namespace examples
}  // namespace views

#endif  // UI_VIEWS_EXAMPLES_DIALOG_EXAMPLE_H_