77f7ba96ca
* refactor: reduce code duplication in WebContentsPreferences::OverrideWebkitPrefs() * refactor: limit scope of web_preferences temporary in ElectronBrowserClient::OverrideWebkitPrefs() * chore: savepoint * chore: savepoint * chore: savepoint * chore: savepoint * chore: remove logging * fix: unconditionally write * chore: naming * chore: add code comments * chore: more code comments * chore: remove unrelated changes * chore: remove redundant static keyword on function in anonymous namespace * refactor: naming * refactor: naming * refactor: naming * refactor: slightly more explicit typing * refactor: remove unnecessary utf16 -> utf8 -> utf16 conversion steps * chore: remove unused #includes
165 lines
7 KiB
C++
165 lines
7 KiB
C++
// Copyright (c) 2018 Slack Technologies, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/font_defaults.h"
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#include <string>
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#include <string_view>
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#include "base/containers/fixed_flat_map.h"
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#include "base/containers/map_util.h"
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#include "base/strings/string_split.h"
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#include "chrome/common/pref_names.h"
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#include "chrome/grit/platform_locale_settings.h"
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#include "third_party/blink/public/common/web_preferences/web_preferences.h"
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#include "ui/base/l10n/l10n_util.h"
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namespace {
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// The following list of font defaults was copied from
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// https://chromium.googlesource.com/chromium/src/+/69.0.3497.106/chrome/browser/ui/prefs/prefs_tab_helper.cc#152
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//
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// The only updates that should be made to this list are copying updates that
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// were made in Chromium.
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//
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// vvvvv DO NOT EDIT vvvvv
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struct FontDefault {
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const char* pref_name;
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int resource_id;
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};
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// Font pref defaults. The prefs that have defaults vary by platform, since not
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// all platforms have fonts for all scripts for all generic families.
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// TODO(falken): add proper defaults when possible for all
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// platforms/scripts/generic families.
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const FontDefault kFontDefaults[] = {
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{prefs::kWebKitStandardFontFamily, IDS_STANDARD_FONT_FAMILY},
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{prefs::kWebKitFixedFontFamily, IDS_FIXED_FONT_FAMILY},
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{prefs::kWebKitSerifFontFamily, IDS_SERIF_FONT_FAMILY},
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{prefs::kWebKitSansSerifFontFamily, IDS_SANS_SERIF_FONT_FAMILY},
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{prefs::kWebKitCursiveFontFamily, IDS_CURSIVE_FONT_FAMILY},
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{prefs::kWebKitFantasyFontFamily, IDS_FANTASY_FONT_FAMILY},
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#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
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{prefs::kWebKitStandardFontFamilyJapanese,
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IDS_STANDARD_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitFixedFontFamilyJapanese, IDS_FIXED_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitSerifFontFamilyJapanese, IDS_SERIF_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitSansSerifFontFamilyJapanese,
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IDS_SANS_SERIF_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitStandardFontFamilyKorean, IDS_STANDARD_FONT_FAMILY_KOREAN},
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{prefs::kWebKitSerifFontFamilyKorean, IDS_SERIF_FONT_FAMILY_KOREAN},
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{prefs::kWebKitSansSerifFontFamilyKorean,
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IDS_SANS_SERIF_FONT_FAMILY_KOREAN},
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{prefs::kWebKitStandardFontFamilySimplifiedHan,
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IDS_STANDARD_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitSerifFontFamilySimplifiedHan,
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IDS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitSansSerifFontFamilySimplifiedHan,
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IDS_SANS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitStandardFontFamilyTraditionalHan,
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IDS_STANDARD_FONT_FAMILY_TRADITIONAL_HAN},
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{prefs::kWebKitSerifFontFamilyTraditionalHan,
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IDS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
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{prefs::kWebKitSansSerifFontFamilyTraditionalHan,
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IDS_SANS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
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{prefs::kWebKitCursiveFontFamilySimplifiedHan,
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IDS_CURSIVE_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitCursiveFontFamilyTraditionalHan,
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IDS_CURSIVE_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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#if BUILDFLAG(IS_CHROMEOS)
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{prefs::kWebKitStandardFontFamilyArabic, IDS_STANDARD_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSerifFontFamilyArabic, IDS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSansSerifFontFamilyArabic,
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IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
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{prefs::kWebKitFixedFontFamilySimplifiedHan,
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IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitFixedFontFamilyTraditionalHan,
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IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
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#elif BUILDFLAG(IS_WIN)
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{prefs::kWebKitFixedFontFamilyArabic, IDS_FIXED_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSansSerifFontFamilyArabic,
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IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitStandardFontFamilyCyrillic,
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IDS_STANDARD_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitFixedFontFamilyCyrillic, IDS_FIXED_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitSerifFontFamilyCyrillic, IDS_SERIF_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitSansSerifFontFamilyCyrillic,
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IDS_SANS_SERIF_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitStandardFontFamilyGreek, IDS_STANDARD_FONT_FAMILY_GREEK},
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{prefs::kWebKitFixedFontFamilyGreek, IDS_FIXED_FONT_FAMILY_GREEK},
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{prefs::kWebKitSerifFontFamilyGreek, IDS_SERIF_FONT_FAMILY_GREEK},
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{prefs::kWebKitSansSerifFontFamilyGreek, IDS_SANS_SERIF_FONT_FAMILY_GREEK},
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{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
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{prefs::kWebKitCursiveFontFamilyKorean, IDS_CURSIVE_FONT_FAMILY_KOREAN},
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{prefs::kWebKitFixedFontFamilySimplifiedHan,
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IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitFixedFontFamilyTraditionalHan,
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IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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};
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// ^^^^^ DO NOT EDIT ^^^^^
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auto MakeDefaultFontCopier() {
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using namespace prefs;
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using WP = blink::web_pref::WebPreferences;
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using FamilyMap = blink::web_pref::ScriptFontFamilyMap;
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// Map from a family name (e.g. "webkit.webprefs.fonts.fixed") to a
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// Pointer-to-Member of the location in WebPreferences of its
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// ScriptFontFamilyMap (e.g. &WebPreferences::fixed_font_family_map)
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static constexpr auto FamilyMapByName =
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base::MakeFixedFlatMap<std::string_view, FamilyMap WP::*>({
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{kWebKitStandardFontFamilyMap, &WP::standard_font_family_map},
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{kWebKitFixedFontFamilyMap, &WP::fixed_font_family_map},
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{kWebKitSerifFontFamilyMap, &WP::serif_font_family_map},
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{kWebKitSansSerifFontFamilyMap, &WP::sans_serif_font_family_map},
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{kWebKitCursiveFontFamilyMap, &WP::cursive_font_family_map},
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});
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WP defaults;
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// Populate `defaults`'s ScriptFontFamilyMaps with the values from
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// the kFontDefaults array in the "DO NOT EDIT" section of this file.
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//
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// The kFontDefaults's `pref_name` field is built as `${family}.${script}`,
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// so splitting on the last '.' gives the family and script: a pref key of
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// "webkit.webprefs.fonts.fixed.Zyyy" splits into family name
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// "webkit.webprefs.fonts.fixed" and script "Zyyy". (Yes, "Zyyy" is real.
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// See pref_font_script_names-inl.h for the full list :)
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for (const auto& [pref_name, resource_id] : kFontDefaults) {
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const auto [family, script] = *base::RSplitStringOnce(pref_name, '.');
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if (auto* family_map_ptr = base::FindOrNull(FamilyMapByName, family)) {
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FamilyMap& family_map = defaults.**family_map_ptr;
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family_map[std::string{script}] = l10n_util::GetStringUTF16(resource_id);
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}
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}
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// Lambda that copies all of `default`'s fonts into `prefs`
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auto copy_default_fonts_to_web_prefs = [defaults](WP* prefs) {
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for (const auto [_, family_map_ptr] : FamilyMapByName) {
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const FamilyMap& src = defaults.*family_map_ptr;
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FamilyMap& tgt = prefs->*family_map_ptr;
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for (const auto& [key, val] : src)
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tgt[key] = val;
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}
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};
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return copy_default_fonts_to_web_prefs;
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}
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} // namespace
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namespace electron {
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void SetFontDefaults(blink::web_pref::WebPreferences* prefs) {
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static const auto copy_default_fonts_to_web_prefs = MakeDefaultFontCopier();
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copy_default_fonts_to_web_prefs(prefs);
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}
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} // namespace electron
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