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// 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 CHROME_BROWSER_UI_VIEWS_TABS_TAB_GROUP_STYLE_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_GROUP_STYLE_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "tab_group_header.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/view.h"
class TabGroupViews;
// Default styling of tab groups.
class TabGroupStyle {
public:
static int GetTabGroupOverlapAdjustment();
explicit TabGroupStyle(const TabGroupViews& tab_group_views);
TabGroupStyle(const TabGroupStyle&) = delete;
TabGroupStyle& operator=(const TabGroupStyle&) = delete;
virtual ~TabGroupStyle();
// returns whether the underline for the group should be hidden
virtual bool TabGroupUnderlineShouldBeHidden() const;
virtual bool TabGroupUnderlineShouldBeHidden(
const views::View* leading_view,
const views::View* trailing_view) const;
// Returns the path of an underline given the local bounds of the underline.
virtual SkPath GetUnderlinePath(gfx::Rect local_bounds) const;
// Returns the bounds of a title chip without any text.
virtual gfx::Rect GetEmptyTitleChipBounds(const TabGroupHeader* header) const;
// Returns the starting y coordinate of the title chip from the `tabstrip`.
virtual gfx::Point GetTitleChipOffset(std::optional<int> text_height) const;
// Returns the background of a title chip without any text.
virtual std::unique_ptr<views::Background> GetEmptyTitleChipBackground(
SkColor color) const;
// Returns the radius for the tab group header's highlight path. This is used
// when the header is focused.
virtual int GetHighlightPathGeneratorCornerRadius(
const views::View* title) const;
// Returns the insets for a header chip that has text.
virtual gfx::Insets GetInsetsForHeaderChip() const;
// While calculating desired width of a tab group an adjustment value is added
// for the distance between the tab group header and the right tab.
virtual int GetTitleAdjustmentToTabGroupHeaderDesiredWidth(
std::u16string title) const;
// Returns the size of an empty chip without any text.
virtual float GetEmptyChipSize() const;
// Returns the sync icon width.
virtual float GetSyncIconWidth() const;
// Returns the attention indicator icon width.
virtual float GetAttentionIndicatorWidth() const;
// The radius of the tab group header chip
virtual int GetChipCornerRadius() const;
// Overlap between the tab group view and neighbor tab slot
virtual int GetTabGroupViewOverlap() const;
protected:
const raw_ref<const TabGroupViews> tab_group_views_;
};
#endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_GROUP_STYLE_H_
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