1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/webui/options/font_settings_utils.h"
6
7#import <Cocoa/Cocoa.h>
8
9#include "base/mac/scoped_nsautorelease_pool.h"
10#include "base/prefs/pref_service.h"
11#include "base/strings/sys_string_conversions.h"
12#include "base/values.h"
13#include "chrome/common/pref_names.h"
14
15namespace options {
16
17static void ValidateFontFamily(PrefService* prefs,
18                               const char* family_pref_name) {
19  // The native font settings dialog saved fonts by the font name, rather
20  // than the family name.  This worked for the old dialog since
21  // -[NSFont fontWithName:size] accepted a font or family name, but the
22  // behavior was technically wrong.  Since we really need the family name for
23  // the dom-ui options window, we will fix the saved preference if necessary.
24  NSString *family_name =
25      base::SysUTF8ToNSString(prefs->GetString(family_pref_name));
26  NSFont *font = [NSFont fontWithName:family_name
27                                 size:[NSFont systemFontSize]];
28  if (font &&
29      [[font familyName] caseInsensitiveCompare:family_name] != NSOrderedSame) {
30    std::string new_family_name = base::SysNSStringToUTF8([font familyName]);
31    prefs->SetString(family_pref_name, new_family_name);
32  }
33}
34
35// static
36void FontSettingsUtilities::ValidateSavedFonts(PrefService* prefs) {
37  ValidateFontFamily(prefs, prefs::kWebKitSerifFontFamily);
38  ValidateFontFamily(prefs, prefs::kWebKitSansSerifFontFamily);
39  ValidateFontFamily(prefs, prefs::kWebKitFixedFontFamily);
40}
41
42}  // namespace options
43