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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 ASH_STYLE_TYPOGRAPHY_H_
#define ASH_STYLE_TYPOGRAPHY_H_
#include "ash/ash_export.h"
#include "ui/gfx/font_list.h"
namespace views {
class Label;
}
namespace ash {
enum class ASH_EXPORT TypographyToken {
/* Legacy tokens */
kLegacyDisplay1,
kLegacyDisplay2,
kLegacyDisplay3,
kLegacyDisplay4,
kLegacyDisplay5,
kLegacyDisplay6,
kLegacyDisplay7,
kLegacyTitle1,
kLegacyTitle2,
kLegacyHeadline1,
kLegacyHeadline2,
kLegacyButton1,
kLegacyButton2,
kLegacyBody1,
kLegacyBody2,
kLegacyAnnotation1,
kLegacyAnnotation2,
kLegacyLabel1,
kLegacyLabel2,
kLastLegacyToken = kLegacyLabel2,
// cros.typography tokens
kCrosDisplay0,
kCrosDisplay1,
kCrosDisplay2,
kCrosDisplay3,
kCrosDisplay3Regular,
kCrosDisplay4,
kCrosDisplay5,
kCrosDisplay6,
kCrosDisplay6Regular,
kCrosDisplay7,
kCrosTitle1,
kCrosTitle2,
kCrosHeadline1,
kCrosButton1,
kCrosButton2,
kCrosBody0,
kCrosBody1,
kCrosBody2,
kCrosAnnotation1,
kCrosAnnotation2,
kCrosLabel1,
kCrosLabel2,
kMaxValue = kCrosLabel2,
};
class ASH_EXPORT TypographyProvider {
public:
// Returns the global `TypographyProvider` for Ash.
static const TypographyProvider* Get();
TypographyProvider() = default;
virtual ~TypographyProvider();
// Applies the appropriate style for `token` to `label`.
virtual void StyleLabel(TypographyToken token, views::Label& label) const;
// For the given `token` returns the appropriately configured `FontList`. For
// legacy tokens, returns the old or new styling depending on the Jelly flag.
virtual gfx::FontList ResolveTypographyToken(TypographyToken token) const = 0;
// Returns the line height in pixels for `token`.
virtual int ResolveLineHeight(TypographyToken token) const = 0;
};
} // namespace ash
#endif // ASH_STYLE_TYPOGRAPHY_H_
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