1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "app/resource_bundle.h"
#include <atlbase.h>
#include "app/app_paths.h"
#include "app/gfx/font.h"
#include "app/l10n_util.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/resource_util.h"
#include "base/string_piece.h"
#include "base/win_util.h"
namespace {
// Returns the flags that should be passed to LoadLibraryEx.
DWORD GetDataDllLoadFlags() {
if (win_util::GetWinVersion() >= win_util::WINVERSION_VISTA)
return LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE;
return DONT_RESOLVE_DLL_REFERENCES;
}
} // end anonymous namespace
ResourceBundle::~ResourceBundle() {
FreeImages();
if (locale_resources_data_) {
BOOL rv = FreeLibrary(locale_resources_data_);
DCHECK(rv);
}
if (theme_data_) {
BOOL rv = FreeLibrary(theme_data_);
DCHECK(rv);
}
}
void ResourceBundle::LoadResources(const std::wstring& pref_locale) {
// As a convenience, set resources_data_ to the current module.
resources_data_ = _AtlBaseModule.GetModuleInstance();
DCHECK(NULL == locale_resources_data_) << "locale dll already loaded";
const FilePath& locale_path = GetLocaleFilePath(pref_locale);
if (locale_path.value().empty()) {
// It's possible that there are no locale dlls found, in which case we just
// return.
NOTREACHED();
return;
}
// The dll should only have resources, not executable code.
locale_resources_data_ = LoadLibraryEx(locale_path.value().c_str(), NULL,
GetDataDllLoadFlags());
DCHECK(locale_resources_data_ != NULL) <<
"unable to load generated resources";
}
FilePath ResourceBundle::GetLocaleFilePath(const std::wstring& pref_locale) {
FilePath locale_path;
PathService::Get(app::DIR_LOCALES, &locale_path);
const std::wstring app_locale = l10n_util::GetApplicationLocale(pref_locale);
if (app_locale.empty())
return FilePath();
return locale_path.Append(app_locale + L".dll");
}
void ResourceBundle::LoadThemeResources() {
DCHECK(NULL == theme_data_) << "theme dll already loaded";
std::wstring theme_data_path;
PathService::Get(app::DIR_THEMES, &theme_data_path);
file_util::AppendToPath(&theme_data_path, L"default.dll");
// The dll should only have resources, not executable code.
theme_data_ = LoadLibraryEx(theme_data_path.c_str(), NULL,
GetDataDllLoadFlags());
DCHECK(theme_data_ != NULL) << "unable to load " << theme_data_path;
}
/* static */
bool ResourceBundle::LoadResourceBytes(
DataHandle module,
int resource_id,
std::vector<unsigned char>* bytes) {
void* data_ptr;
size_t data_size;
if (base::GetDataResourceFromModule(module, resource_id, &data_ptr,
&data_size)) {
bytes->resize(data_size);
memcpy(&(bytes->front()), data_ptr, data_size);
return true;
} else {
return false;
}
}
HICON ResourceBundle::LoadThemeIcon(int icon_id) {
return ::LoadIcon(theme_data_, MAKEINTRESOURCE(icon_id));
}
StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
void* data_ptr;
size_t data_size;
if (base::GetDataResourceFromModule(_AtlBaseModule.GetModuleInstance(),
resource_id,
&data_ptr,
&data_size)) {
return StringPiece(static_cast<const char*>(data_ptr), data_size);
} else if (locale_resources_data_ &&
base::GetDataResourceFromModule(locale_resources_data_,
resource_id,
&data_ptr,
&data_size)) {
return StringPiece(static_cast<const char*>(data_ptr), data_size);
}
return StringPiece();
}
// Loads and returns a cursor from the current module.
HCURSOR ResourceBundle::LoadCursor(int cursor_id) {
return ::LoadCursor(_AtlBaseModule.GetModuleInstance(),
MAKEINTRESOURCE(cursor_id));
}
string16 ResourceBundle::GetLocalizedString(int message_id) {
// If for some reason we were unable to load a resource dll, return an empty
// string (better than crashing).
if (!locale_resources_data_) {
LOG(WARNING) << "locale resources are not loaded";
return string16();
}
DCHECK(IS_INTRESOURCE(message_id));
// Get a reference directly to the string resource.
HINSTANCE hinstance = locale_resources_data_;
const ATLSTRINGRESOURCEIMAGE* image = AtlGetStringResourceImage(hinstance,
message_id);
if (!image) {
// Fall back on the current module (shouldn't be any strings here except
// in unittests).
image = AtlGetStringResourceImage(_AtlBaseModule.GetModuleInstance(),
message_id);
if (!image) {
NOTREACHED() << "unable to find resource: " << message_id;
return std::wstring();
}
}
// Copy into a string16 and return.
return string16(image->achString, image->nLength);
}
|
