1// Copyright (c) 2011 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 "content/common/font_list.h"
6
7#include <windows.h>
8
9#include <set>
10
11#include "base/strings/string16.h"
12#include "base/values.h"
13
14namespace content {
15
16static int CALLBACK EnumFontFamExProc(ENUMLOGFONTEXW* logical_font,
17                                      NEWTEXTMETRICEXW* physical_font,
18                                      DWORD font_type,
19                                      LPARAM lparam) {
20  std::set<base::string16>* font_names =
21      reinterpret_cast<std::set<base::string16>*>(lparam);
22  if (font_names) {
23    const LOGFONTW& lf = logical_font->elfLogFont;
24    if (lf.lfFaceName[0] && lf.lfFaceName[0] != '@') {
25      base::string16 face_name(lf.lfFaceName);
26      font_names->insert(face_name);
27    }
28  }
29  return 1;
30}
31
32scoped_ptr<base::ListValue> GetFontList_SlowBlocking() {
33  std::set<base::string16> font_names;
34
35  LOGFONTW logfont;
36  memset(&logfont, 0, sizeof(logfont));
37  logfont.lfCharSet = DEFAULT_CHARSET;
38
39  HDC hdc = ::GetDC(NULL);
40  ::EnumFontFamiliesExW(hdc, &logfont, (FONTENUMPROCW)&EnumFontFamExProc,
41                        (LPARAM)&font_names, 0);
42  ::ReleaseDC(NULL, hdc);
43
44  scoped_ptr<base::ListValue> font_list(new base::ListValue);
45  std::set<base::string16>::iterator iter;
46  for (iter = font_names.begin(); iter != font_names.end(); ++iter) {
47    base::ListValue* font_item = new base::ListValue();
48    font_item->Append(new base::StringValue(*iter));
49    font_item->Append(new base::StringValue(*iter));
50    font_list->Append(font_item);
51  }
52  return font_list.Pass();
53}
54
55}  // namespace content
56