webkit_test_platform_support_win.cc revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace 
1// Copyright 2013 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/shell/app/webkit_test_platform_support.h"
6
7#include <windows.h>
8#include <iostream>
9#include <list>
10#include <string>
11
12#include "base/file_util.h"
13#include "base/files/file_path.h"
14#include "base/logging.h"
15#include "base/path_service.h"
16#include "base/strings/utf_string_conversions.h"
17
18#define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(struct_name, member) \
19    offsetof(struct_name, member) + \
20    (sizeof static_cast<struct_name*>(0)->member)
21#define NONCLIENTMETRICS_SIZE_PRE_VISTA \
22    SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(NONCLIENTMETRICS, lfMessageFont)
23
24namespace content {
25
26namespace {
27
28bool SetupFonts() {
29  // Load Ahem font.
30  // AHEM____.TTF is copied to the directory of DumpRenderTree.exe by
31  // WebKit.gyp.
32  base::FilePath base_path;
33  PathService::Get(base::DIR_MODULE, &base_path);
34  base::FilePath font_path =
35      base_path.Append(FILE_PATH_LITERAL("/AHEM____.TTF"));
36
37  std::string font_buffer;
38  if (!file_util::ReadFileToString(font_path, &font_buffer)) {
39    std::cerr << "Failed to load font " << WideToUTF8(font_path.value())
40              << "\n";
41    return false;
42  }
43
44  DWORD num_fonts = 1;
45  HANDLE font_handle =
46      ::AddFontMemResourceEx(const_cast<char*>(font_buffer.c_str()),
47                             font_buffer.length(),
48                             0,
49                             &num_fonts);
50  if (!font_handle) {
51    std::cerr << "Failed to register Ahem font\n";
52    return false;
53  }
54  return true;
55}
56
57}  // namespace
58
59bool CheckLayoutSystemDeps() {
60  std::list<std::string> errors;
61
62  // This metric will be 17 when font size is "Normal".
63  // The size of drop-down menus depends on it.
64  if (::GetSystemMetrics(SM_CXVSCROLL) != 17)
65    errors.push_back("Must use normal size fonts (96 dpi).");
66
67  // ClearType must be disabled, because the rendering is unpredictable.
68  BOOL font_smoothing_enabled;
69  ::SystemParametersInfo(SPI_GETFONTSMOOTHING, 0, &font_smoothing_enabled, 0);
70  int font_smoothing_type;
71  ::SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &font_smoothing_type, 0);
72  if (font_smoothing_enabled &&
73      (font_smoothing_type == FE_FONTSMOOTHINGCLEARTYPE))
74    errors.push_back("ClearType must be disabled.");
75
76  // Check that we're using the default system fonts.
77  OSVERSIONINFO version_info = {0};
78  version_info.dwOSVersionInfoSize = sizeof(version_info);
79  ::GetVersionEx(&version_info);
80  bool is_vista_or_later = (version_info.dwMajorVersion >= 6);
81  NONCLIENTMETRICS metrics = {0};
82  metrics.cbSize = is_vista_or_later ? (sizeof NONCLIENTMETRICS)
83                                     : NONCLIENTMETRICS_SIZE_PRE_VISTA;
84  bool success = !!::SystemParametersInfo(
85      SPI_GETNONCLIENTMETRICS, metrics.cbSize, &metrics, 0);
86  CHECK(success);
87  LOGFONTW* system_fonts[] =
88      {&metrics.lfStatusFont, &metrics.lfMenuFont, &metrics.lfSmCaptionFont};
89  const wchar_t* required_font = is_vista_or_later ? L"Segoe UI" : L"Tahoma";
90  int required_font_size = is_vista_or_later ? -12 : -11;
91  for (size_t i = 0; i < arraysize(system_fonts); ++i) {
92    if (system_fonts[i]->lfHeight != required_font_size ||
93        wcscmp(required_font, system_fonts[i]->lfFaceName)) {
94      errors.push_back(is_vista_or_later
95                           ? "Must use either the Aero or Basic theme."
96                           : "Must use the default XP theme (Luna).");
97      break;
98    }
99  }
100
101  for (std::list<std::string>::iterator it = errors.begin(); it != errors.end();
102       ++it) {
103    std::cerr << *it << "\n";
104  }
105  return errors.empty();
106}
107
108bool WebKitTestPlatformInitialize() {
109  return SetupFonts();
110}
111
112}  // namespace content
113