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// 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.
#include "chrome/browser/ui/views/chrome_typography.h"
#include "build/build_config.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "ui/base/default_style.h"
#include "ui/base/material_design/material_design_controller.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_features.h"
#include "ui/gfx/platform_font.h"
// Mac doesn't use LocationBarView (yet).
#if !defined(OS_MACOSX) || BUILDFLAG(MAC_VIEWS_BROWSER)
int GetFontSizeDeltaBoundedByAvailableHeight(int available_height,
int desired_font_size) {
int size_delta = desired_font_size - gfx::PlatformFont::kDefaultBaseFontSize;
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
gfx::FontList base_font = bundle.GetFontListWithDelta(size_delta);
// The ResourceBundle's default font may not actually be kDefaultBaseFontSize
// if, for example, the user has changed their system font sizes or the
// current locale has been overridden to use a different default font size.
// Adjust for the difference in default font sizes.
int user_or_locale_delta = 0;
if (base_font.GetFontSize() != desired_font_size) {
user_or_locale_delta = desired_font_size - base_font.GetFontSize();
base_font = bundle.GetFontListWithDelta(size_delta + user_or_locale_delta);
}
DCHECK_EQ(desired_font_size, base_font.GetFontSize());
// Shrink large fonts to ensure they fit. Default fonts should fit already.
// TODO(tapted): Move DeriveWithHeightUpperBound() to ui::ResourceBundle to
// take advantage of the font cache.
base_font = base_font.DeriveWithHeightUpperBound(available_height);
// To ensure a subsequent request from the ResourceBundle ignores the delta
// due to user or locale settings, include it here.
return base_font.GetFontSize() - gfx::PlatformFont::kDefaultBaseFontSize +
user_or_locale_delta;
}
#endif // OS_MACOSX || MAC_VIEWS_BROWSER
void ApplyCommonFontStyles(int context,
int style,
int* size_delta,
gfx::Font::Weight* weight) {
switch (context) {
case CONTEXT_TOOLBAR_BUTTON: {
// TODO(pbos): Instead of fixing the toolbar button height this way
// consider dynamically resizing all of the toolbar based on the actual
// final item height.
static const int fixed_height =
ui::MaterialDesignController::IsTouchOptimizedUiEnabled() ? 22 : 17;
static const int toolbar_button_delta =
GetFontSizeDeltaBoundedByAvailableHeight(fixed_height, fixed_height);
*size_delta = toolbar_button_delta;
break;
}
#if !defined(OS_MACOSX) || BUILDFLAG(MAC_VIEWS_BROWSER)
case CONTEXT_OMNIBOX_PRIMARY:
case CONTEXT_OMNIBOX_DEEMPHASIZED: {
constexpr int kDesiredFontSizeRegular = 14;
constexpr int kDesiredFontSizeTouchable = 15;
static const int omnibox_primary_delta =
GetFontSizeDeltaBoundedByAvailableHeight(
LocationBarView::GetAvailableTextHeight(),
ui::MaterialDesignController::IsTouchOptimizedUiEnabled()
? kDesiredFontSizeTouchable
: kDesiredFontSizeRegular);
*size_delta = omnibox_primary_delta;
if (context == CONTEXT_OMNIBOX_DEEMPHASIZED) {
(*size_delta)--;
}
break;
}
case CONTEXT_OMNIBOX_DECORATION: {
// Use 11 for both touchable and non-touchable. The touchable spec
// specifies 11 explicitly. Historically, non-touchable would take the
// primary omnibox font and incrementally reduce its size until it fit.
// In default configurations, it would obtain 11. Deriving fonts is slow,
// so don't bother starting at 14.
constexpr int kDesiredFontSizeDecoration = 11;
static const int omnibox_decoration_delta =
GetFontSizeDeltaBoundedByAvailableHeight(
LocationBarView::GetAvailableDecorationTextHeight(),
kDesiredFontSizeDecoration);
*size_delta = omnibox_decoration_delta;
break;
}
#endif // !OS_MACOSX || MAC_VIEWS_BROWSER
#if defined(OS_WIN)
case CONTEXT_WINDOWS10_NATIVE:
// Adjusts default font size up to match Win10 modern UI.
*size_delta = 15 - gfx::PlatformFont::kDefaultBaseFontSize;
break;
#endif
}
}
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