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 // This file defines utility functions for fetching localized resources.
6
7 #include "chrome/installer/util/l10n_string_util.h"
8
9 #include <atlbase.h>
10
11 #include <algorithm>
12
13 #include "base/logging.h"
14 #include "base/memory/scoped_ptr.h"
15 #include "base/strings/string_util.h"
16 #include "base/strings/stringprintf.h"
17 #include "chrome/installer/util/language_selector.h"
18
19 namespace {
20
GetLanguageSelector()21 const installer::LanguageSelector& GetLanguageSelector() {
22 static const installer::LanguageSelector instance;
23
24 return instance;
25 }
26
27 installer::TranslationDelegate* g_translation_delegate = NULL;
28
29 } // namespace
30
31 namespace installer {
32
~TranslationDelegate()33 TranslationDelegate::~TranslationDelegate() {
34 }
35
SetTranslationDelegate(TranslationDelegate * delegate)36 void SetTranslationDelegate(TranslationDelegate* delegate) {
37 g_translation_delegate = delegate;
38 }
39
GetLocalizedString(int base_message_id)40 std::wstring GetLocalizedString(int base_message_id) {
41 if (g_translation_delegate)
42 return g_translation_delegate->GetLocalizedString(base_message_id);
43
44 std::wstring localized_string;
45
46 int message_id = base_message_id + GetLanguageSelector().offset();
47 const ATLSTRINGRESOURCEIMAGE* image = AtlGetStringResourceImage(
48 _AtlBaseModule.GetModuleInstance(), message_id);
49 if (image) {
50 localized_string = std::wstring(image->achString, image->nLength);
51 } else {
52 NOTREACHED() << "Unable to find resource id " << message_id;
53 }
54
55 return localized_string;
56 }
57
GetLocalizedStringF(int base_message_id,const base::string16 & a)58 base::string16 GetLocalizedStringF(int base_message_id,
59 const base::string16& a) {
60 return ReplaceStringPlaceholders(GetLocalizedString(base_message_id),
61 std::vector<base::string16>(1, a),
62 NULL);
63 }
64
65 // Here we generate the url spec with the Microsoft res:// scheme which is
66 // explained here : http://support.microsoft.com/kb/220830
GetLocalizedEulaResource()67 std::wstring GetLocalizedEulaResource() {
68 wchar_t full_exe_path[MAX_PATH];
69 int len = ::GetModuleFileName(NULL, full_exe_path, MAX_PATH);
70 if (len == 0 || len == MAX_PATH)
71 return L"";
72
73 // The resource names are more or less the upcased language names.
74 std::wstring language(GetLanguageSelector().selected_translation());
75 std::replace(language.begin(), language.end(), L'-', L'_');
76 StringToUpperASCII(&language);
77
78 std::wstring resource(L"IDR_OEMPG_");
79 resource.append(language).append(L".HTML");
80
81 // Fall back on "en" if we don't have a resource for this language.
82 if (NULL == FindResource(NULL, resource.c_str(), RT_HTML))
83 resource = L"IDR_OEMPG_EN.HTML";
84
85 // Spaces and DOS paths must be url encoded.
86 std::wstring url_path =
87 base::StringPrintf(L"res://%ls/#23/%ls", full_exe_path, resource.c_str());
88
89 // The cast is safe because url_path has limited length
90 // (see the definition of full_exe_path and resource).
91 DCHECK(kuint32max > (url_path.size() * 3));
92 DWORD count = static_cast<DWORD>(url_path.size() * 3);
93 scoped_ptr<wchar_t[]> url_canon(new wchar_t[count]);
94 HRESULT hr = ::UrlCanonicalizeW(url_path.c_str(), url_canon.get(),
95 &count, URL_ESCAPE_UNSAFE);
96 if (SUCCEEDED(hr))
97 return std::wstring(url_canon.get());
98 return url_path;
99 }
100
GetCurrentTranslation()101 std::wstring GetCurrentTranslation() {
102 return GetLanguageSelector().selected_translation();
103 }
104
105 } // namespace installer
106