/
font_defaults.cc
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font_defaults.cc
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// Copyright (c) 2018 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/font_defaults.h"
#include <string>
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/platform_locale_settings.h"
#include "content/public/common/web_preferences.h"
#include "ui/base/l10n/l10n_util.h"
namespace {
struct FontDefault {
const char* pref_name;
int resource_id;
};
// Font pref defaults. The prefs that have defaults vary by platform, since not
// all platforms have fonts for all scripts for all generic families.
// TODO(falken): add proper defaults when possible for all
// platforms/scripts/generic families.
const FontDefault kFontDefaults[] = {
{prefs::kWebKitStandardFontFamily, IDS_STANDARD_FONT_FAMILY},
{prefs::kWebKitFixedFontFamily, IDS_FIXED_FONT_FAMILY},
{prefs::kWebKitSerifFontFamily, IDS_SERIF_FONT_FAMILY},
{prefs::kWebKitSansSerifFontFamily, IDS_SANS_SERIF_FONT_FAMILY},
{prefs::kWebKitCursiveFontFamily, IDS_CURSIVE_FONT_FAMILY},
{prefs::kWebKitFantasyFontFamily, IDS_FANTASY_FONT_FAMILY},
{prefs::kWebKitPictographFontFamily, IDS_PICTOGRAPH_FONT_FAMILY},
#if defined(OS_CHROMEOS) || defined(OS_MACOSX) || defined(OS_WIN)
{prefs::kWebKitStandardFontFamilyJapanese,
IDS_STANDARD_FONT_FAMILY_JAPANESE},
{prefs::kWebKitFixedFontFamilyJapanese, IDS_FIXED_FONT_FAMILY_JAPANESE},
{prefs::kWebKitSerifFontFamilyJapanese, IDS_SERIF_FONT_FAMILY_JAPANESE},
{prefs::kWebKitSansSerifFontFamilyJapanese,
IDS_SANS_SERIF_FONT_FAMILY_JAPANESE},
{prefs::kWebKitStandardFontFamilyKorean, IDS_STANDARD_FONT_FAMILY_KOREAN},
{prefs::kWebKitSerifFontFamilyKorean, IDS_SERIF_FONT_FAMILY_KOREAN},
{prefs::kWebKitSansSerifFontFamilyKorean,
IDS_SANS_SERIF_FONT_FAMILY_KOREAN},
{prefs::kWebKitStandardFontFamilySimplifiedHan,
IDS_STANDARD_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitSerifFontFamilySimplifiedHan,
IDS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitSansSerifFontFamilySimplifiedHan,
IDS_SANS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitStandardFontFamilyTraditionalHan,
IDS_STANDARD_FONT_FAMILY_TRADITIONAL_HAN},
{prefs::kWebKitSerifFontFamilyTraditionalHan,
IDS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
{prefs::kWebKitSansSerifFontFamilyTraditionalHan,
IDS_SANS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
#endif
#if defined(OS_MACOSX) || defined(OS_WIN)
{prefs::kWebKitCursiveFontFamilySimplifiedHan,
IDS_CURSIVE_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitCursiveFontFamilyTraditionalHan,
IDS_CURSIVE_FONT_FAMILY_TRADITIONAL_HAN},
#endif
#if defined(OS_CHROMEOS)
{prefs::kWebKitStandardFontFamilyArabic, IDS_STANDARD_FONT_FAMILY_ARABIC},
{prefs::kWebKitSerifFontFamilyArabic, IDS_SERIF_FONT_FAMILY_ARABIC},
{prefs::kWebKitSansSerifFontFamilyArabic,
IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
{prefs::kWebKitFixedFontFamilySimplifiedHan,
IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitFixedFontFamilyTraditionalHan,
IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
#elif defined(OS_WIN)
{prefs::kWebKitFixedFontFamilyArabic, IDS_FIXED_FONT_FAMILY_ARABIC},
{prefs::kWebKitSansSerifFontFamilyArabic,
IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
{prefs::kWebKitStandardFontFamilyCyrillic,
IDS_STANDARD_FONT_FAMILY_CYRILLIC},
{prefs::kWebKitFixedFontFamilyCyrillic, IDS_FIXED_FONT_FAMILY_CYRILLIC},
{prefs::kWebKitSerifFontFamilyCyrillic, IDS_SERIF_FONT_FAMILY_CYRILLIC},
{prefs::kWebKitSansSerifFontFamilyCyrillic,
IDS_SANS_SERIF_FONT_FAMILY_CYRILLIC},
{prefs::kWebKitStandardFontFamilyGreek, IDS_STANDARD_FONT_FAMILY_GREEK},
{prefs::kWebKitFixedFontFamilyGreek, IDS_FIXED_FONT_FAMILY_GREEK},
{prefs::kWebKitSerifFontFamilyGreek, IDS_SERIF_FONT_FAMILY_GREEK},
{prefs::kWebKitSansSerifFontFamilyGreek, IDS_SANS_SERIF_FONT_FAMILY_GREEK},
{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
{prefs::kWebKitCursiveFontFamilyKorean, IDS_CURSIVE_FONT_FAMILY_KOREAN},
{prefs::kWebKitFixedFontFamilySimplifiedHan,
IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
{prefs::kWebKitFixedFontFamilyTraditionalHan,
IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
#endif
};
const size_t kFontDefaultsLength = arraysize(kFontDefaults);
std::string GetDefaultFontForPref(const char* pref_name) {
for (size_t i = 0; i < kFontDefaultsLength; ++i) {
FontDefault pref = kFontDefaults[i];
if (strcmp(pref.pref_name, pref_name) == 0) {
return l10n_util::GetStringUTF8(pref.resource_id);
}
}
return std::string();
}
base::string16 FetchFont(const char* script, const char* map_name) {
std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
std::string font = GetDefaultFontForPref(pref_name.c_str());
base::string16 font16 = base::UTF8ToUTF16(font);
return font16;
}
void FillFontFamilyMap(const char* map_name,
content::ScriptFontFamilyMap* map) {
for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
base::string16 result = FetchFont(script, map_name);
if (!result.empty()) {
(*map)[script] = result;
}
}
}
} // namespace
namespace atom {
void SetFontDefaults(content::WebPreferences* prefs) {
FillFontFamilyMap(prefs::kWebKitStandardFontFamilyMap,
&prefs->standard_font_family_map);
FillFontFamilyMap(prefs::kWebKitFixedFontFamilyMap,
&prefs->fixed_font_family_map);
FillFontFamilyMap(prefs::kWebKitSerifFontFamilyMap,
&prefs->serif_font_family_map);
FillFontFamilyMap(prefs::kWebKitSansSerifFontFamilyMap,
&prefs->sans_serif_font_family_map);
FillFontFamilyMap(prefs::kWebKitCursiveFontFamilyMap,
&prefs->cursive_font_family_map);
FillFontFamilyMap(prefs::kWebKitFantasyFontFamilyMap,
&prefs->fantasy_font_family_map);
FillFontFamilyMap(prefs::kWebKitPictographFontFamilyMap,
&prefs->pictograph_font_family_map);
}
} // namespace atom