ash/quick_insert/views/quick_insert_contents_view.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_CONTENTS_VIEW_H_
#define ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_CONTENTS_VIEW_H_

#include "ash/ash_export.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"

namespace ash {

enum class QuickInsertLayoutType;

// View for the main contents of Quick Insert.
// Consists of multiple "pages", with at most one page visible at a time.
class ASH_EXPORT QuickInsertContentsView : public views::View {
  METADATA_HEADER(QuickInsertContentsView, views::View)

 public:
  // Creates an empty view with no pages.
  explicit QuickInsertContentsView(QuickInsertLayoutType layout_type);
  QuickInsertContentsView(const QuickInsertContentsView&) = delete;
  QuickInsertContentsView& operator=(const QuickInsertContentsView&) = delete;
  ~QuickInsertContentsView() override;

  // Adds a new page. If this is the first page, then it is also set as the
  // active page.
  template <typename T>
  T* AddPage(std::unique_ptr<T> view) {
    if (!page_container_->children().empty()) {
      view->SetVisible(false);
    }
    return page_container_->AddChildView(std::move(view));
  }

  // Sets the visible page to be `view`.
  void SetActivePage(views::View* view);

  const views::View* page_container_for_testing() const {
    return page_container_;
  }

 private:
  raw_ptr<views::View> page_container_ = nullptr;
};

}  // namespace ash

#endif  // ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_CONTENTS_VIEW_H_