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
159
160
161
162
163
164
165
166
167
168
|
// Copyright (c) 2010 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/l10n_util.h"
#include "base/data_pack.h"
#include "base/debug_util.h"
#include "base/debug/stack_trace.h"
#include "base/file_util.h"
#include "base/lock.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/resource_util.h"
#include "base/stl_util-inl.h"
#include "base/string_piece.h"
#include "base/win/windows_version.h"
#include "gfx/font.h"
namespace {
// Returns the flags that should be passed to LoadLibraryEx.
DWORD GetDataDllLoadFlags() {
if (base::win::GetVersion() >= base::win::VERSION_VISTA)
return LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE;
return DONT_RESOLVE_DLL_REFERENCES;
}
} // end anonymous namespace
ResourceBundle::~ResourceBundle() {
FreeImages();
UnloadLocaleResources();
STLDeleteContainerPointers(data_packs_.begin(),
data_packs_.end());
resources_data_ = NULL;
}
void ResourceBundle::UnloadLocaleResources() {
if (locale_resources_data_) {
BOOL rv = FreeLibrary(locale_resources_data_);
DCHECK(rv);
locale_resources_data_ = NULL;
}
}
void ResourceBundle::LoadCommonResources() {
// As a convenience, set resources_data_ to the current resource module.
DCHECK(NULL == resources_data_) << "common resources already loaded";
resources_data_ = _AtlBaseModule.GetResourceInstance();
}
std::string ResourceBundle::LoadLocaleResources(
const std::string& pref_locale) {
DCHECK(NULL == locale_resources_data_) << "locale dll already loaded";
const std::string app_locale = l10n_util::GetApplicationLocale(pref_locale);
const FilePath& locale_path = GetLocaleFilePath(app_locale);
if (locale_path.value().empty()) {
// It's possible that there are no locale dlls found, in which case we just
// return.
NOTREACHED();
return std::string();
}
// 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";
return app_locale;
}
// static
FilePath ResourceBundle::GetLocaleFilePath(const std::string& app_locale) {
FilePath locale_path;
PathService::Get(app::DIR_LOCALES, &locale_path);
if (app_locale.empty())
return FilePath();
return locale_path.AppendASCII(app_locale + ".dll");
}
// static
RefCountedStaticMemory* ResourceBundle::LoadResourceBytes(
DataHandle module, int resource_id) {
void* data_ptr;
size_t data_size;
if (base::GetDataResourceFromModule(module, resource_id, &data_ptr,
&data_size)) {
return new RefCountedStaticMemory(
reinterpret_cast<const unsigned char*>(data_ptr), data_size);
} else {
return NULL;
}
}
HICON ResourceBundle::LoadThemeIcon(int icon_id) {
return ::LoadIcon(resources_data_, MAKEINTRESOURCE(icon_id));
}
base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) const {
void* data_ptr;
size_t data_size;
if (base::GetDataResourceFromModule(_AtlBaseModule.GetModuleInstance(),
resource_id,
&data_ptr,
&data_size)) {
return base::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 base::StringPiece(static_cast<const char*>(data_ptr), data_size);
}
base::StringPiece data;
for (size_t i = 0; i < data_packs_.size(); ++i) {
if (data_packs_[i]->GetStringPiece(resource_id, &data))
return data;
}
return base::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_) {
base::debug::StackTrace().PrintBacktrace(); // See http://crbug.com/21925.
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) {
// See http://crbug.com/21925.
base::debug::StackTrace().PrintBacktrace();
NOTREACHED() << "unable to find resource: " << message_id;
return std::wstring();
}
}
// Copy into a string16 and return.
return string16(image->achString, image->nLength);
}
|
