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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_ROW_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_ROW_VIEW_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"
class OmniboxPopupViewViews;
class OmniboxResultView;
class OmniboxHeaderView;
// The View that's a direct child of the OmniboxPopupViewViews, one per row.
// This, in turn, has a child OmniboxResultView and an optional header that is
// painted right above it. The header is not a child of OmniboxResultView
// because it's logically not part of the result view:
// - Hovering the header doesn't highlight the result view.
// - Clicking the header doesn't navigate to the match.
// - It's the header for multiple matches, it's just painted above this row.
class OmniboxRowView : public views::View {
METADATA_HEADER(OmniboxRowView, views::View)
public:
OmniboxRowView(size_t line, OmniboxPopupViewViews* popup_view);
// Sets the header that appears above this row. Also shows the header.
void ShowHeader(const std::u16string& header_text);
// Hides the header.
void HideHeader();
// The header view associated with this row.
OmniboxHeaderView* header_view() const { return header_view_; }
// The result view associated with this row.
OmniboxResultView* result_view() const { return result_view_; }
// Invoked when the model's selection state has changed.
void OnSelectionStateChanged();
// Fetches the active descendant button for accessibility purposes.
// Returns nullptr if no descendant auxiliary button is active.
views::View* GetActiveAuxiliaryButtonForAccessibility() const;
// views::View:
gfx::Insets GetInsets() const override;
private:
// Non-owning pointer to the popup view for this row. This is never nullptr.
const raw_ptr<OmniboxPopupViewViews> popup_view_;
// Non-owning pointer to the header view for this row. This is initially
// nullptr, and lazily created when a header is first set for this row.
// Lazily creating these speeds up browser startup: https://crbug.com/1021323
raw_ptr<OmniboxHeaderView> header_view_ = nullptr;
// Non-owning pointer to the result view for this row. This is never nullptr.
raw_ptr<OmniboxResultView> result_view_;
};
#endif // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_ROW_VIEW_H_
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