chrome/browser/ui/views/chrome_typography.h

// Copyright 2017 The Chromium Authors. All rights reserved.
// 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_CHROME_TYPOGRAPHY_H_
#define CHROME_BROWSER_UI_VIEWS_CHROME_TYPOGRAPHY_H_

#include "base/macros.h"
#include "build/chromeos_buildflags.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/font.h"
#include "ui/views/style/typography.h"
#include "ui/views/style/typography_provider.h"

#if BUILDFLAG(IS_CHROMEOS_ASH)
// gn check complains on Linux Ozone.
#include "ash/public/cpp/ash_typography.h"  // nogncheck
#endif

enum ChromeTextContext {
#if BUILDFLAG(IS_CHROMEOS_ASH)
  CHROME_TEXT_CONTEXT_START = ash::ASH_TEXT_CONTEXT_END,
#else
  CHROME_TEXT_CONTEXT_START = views::style::VIEWS_TEXT_CONTEXT_END,
#endif

  // Headline text. Usually 20pt. Never multi-line.
  CONTEXT_HEADLINE = CHROME_TEXT_CONTEXT_START,

  // Smaller version of CONTEXT_DIALOG_BODY_TEXT. Usually 12pt.
  CONTEXT_DIALOG_BODY_TEXT_SMALL,

  // Text of the page title in the tab hover card.
  CONTEXT_TAB_HOVER_CARD_TITLE,

  // Text of the number of tabs in the tab counter used in tablet mode.
  CONTEXT_TAB_COUNTER,

  // Text in the location bar entry, and primary text in the omnibox dropdown.
  CONTEXT_OMNIBOX_PRIMARY,

  // Text that goes inside location bar decorations such as the keyword hint.
  CONTEXT_OMNIBOX_DECORATION,

  // Text in omnibox answer results that is slightly smaller than primary font.
  CONTEXT_OMNIBOX_DEEMPHASIZED,

  // Text for titles, body text and buttons that appear in dialogs attempting to
  // mimic the native Windows 10 look and feel.
  CONTEXT_WINDOWS10_NATIVE,

  // ToolbarButton label
  CONTEXT_TOOLBAR_BUTTON,

  // Most text in the download shelf.  Usually 13pt.
  CONTEXT_DOWNLOAD_SHELF,

  // Status labels in the download shelf.  Usually 10pt.
  CONTEXT_DOWNLOAD_SHELF_STATUS,

  // Title label in the IPH bubble. Usually 18pt.
  CONTEXT_IPH_BUBBLE_TITLE,

  // Body text label in the IPH bubble when a title exists. Usually 13pt.
  CONTEXT_IPH_BUBBLE_BODY_WITH_TITLE,

  // Body text label in the IPH bubble when no title exists. Usually 14pt.
  CONTEXT_IPH_BUBBLE_BODY_WITHOUT_TITLE,

  // Button label in the IPH bubble. Usually 13pt.
  CONTEXT_IPH_BUBBLE_BUTTON
};

enum ChromeTextStyle {
#if BUILDFLAG(IS_CHROMEOS_ASH)
  CHROME_TEXT_STYLE_START = ash::ASH_TEXT_STYLE_END,
#else
  CHROME_TEXT_STYLE_START = views::style::VIEWS_TEXT_STYLE_END,
#endif

  // Similar to views::style::STYLE_PRIMARY but with a monospaced typeface.
  STYLE_PRIMARY_MONOSPACED = CHROME_TEXT_STYLE_START,

  // Similar to views::style::STYLE_SECONDARY but with a monospaced typeface.
  STYLE_SECONDARY_MONOSPACED,

  // A solid shade of red.
  STYLE_RED,

  // A solid shade of green.
  STYLE_GREEN,

  // Used to draw attention to a section of body text such as an extension name
  // or hostname.
  STYLE_EMPHASIZED,

  // Emphasized secondary style. Like STYLE_EMPHASIZED but styled to match
  // surrounding STYLE_SECONDARY text.
  STYLE_EMPHASIZED_SECONDARY,
};

// Takes a desired font size and returns the size delta to request from
// ui::ResourceBundle that will result either in that font size, or the biggest
// font size that is smaller than the desired font size but will fit inside
// |available_height|.
int GetFontSizeDeltaBoundedByAvailableHeight(int available_height,
                                             int desired_font_size);

// Takes a desired font size and returns the size delta to request from
// ui::ResourceBundle that will result in exactly that font size, canceling
// out any font size changes made to account for locale or user settings.
int GetFontSizeDeltaIgnoringUserOrLocaleSettings(int desired_font_size);

// Sets the |details| for text that should not be affected by the Harmony spec.
void ApplyCommonFontStyles(int context,
                           int style,
                           ui::ResourceBundle::FontDetails& details);

#endif  // CHROME_BROWSER_UI_VIEWS_CHROME_TYPOGRAPHY_H_