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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 #include "ui/base/resource/resource_bundle_win.h"
6 
7 #include "base/logging.h"
8 #include "base/path_service.h"
9 #include "base/strings/utf_string_conversions.h"
10 #include "skia/ext/image_operations.h"
11 #include "ui/base/layout.h"
12 #include "ui/base/resource/resource_bundle.h"
13 #include "ui/base/resource/resource_data_dll_win.h"
14 #include "ui/gfx/geometry/size_conversions.h"
15 #include "ui/gfx/image/image_skia.h"
16 #include "ui/gfx/image/image_skia_source.h"
17 #include "ui/gfx/win/dpi.h"
18 
19 namespace ui {
20 
21 namespace {
22 
23 HINSTANCE resources_data_dll;
24 
GetCurrentResourceDLL()25 HINSTANCE GetCurrentResourceDLL() {
26   if (resources_data_dll)
27     return resources_data_dll;
28   return GetModuleHandle(NULL);
29 }
30 
GetResourcesPakFilePath(const std::string & pak_name)31 base::FilePath GetResourcesPakFilePath(const std::string& pak_name) {
32   base::FilePath path;
33   if (PathService::Get(base::DIR_MODULE, &path))
34     return path.AppendASCII(pak_name.c_str());
35 
36   // Return just the name of the pack file.
37   return base::FilePath(base::ASCIIToUTF16(pak_name));
38 }
39 
40 }  // namespace
41 
LoadCommonResources()42 void ResourceBundle::LoadCommonResources() {
43   // As a convenience, add the current resource module as a data packs.
44   data_packs_.push_back(new ResourceDataDLL(GetCurrentResourceDLL()));
45 
46   if (IsScaleFactorSupported(SCALE_FACTOR_100P)) {
47     AddDataPackFromPath(
48         GetResourcesPakFilePath("chrome_100_percent.pak"),
49         SCALE_FACTOR_100P);
50   }
51   if (IsScaleFactorSupported(SCALE_FACTOR_200P)) {
52     DCHECK(gfx::IsHighDPIEnabled());
53     AddDataPackFromPath(
54         GetResourcesPakFilePath("chrome_200_percent.pak"),
55         SCALE_FACTOR_200P);
56   }
57 }
58 
GetNativeImageNamed(int resource_id,ImageRTL rtl)59 gfx::Image& ResourceBundle::GetNativeImageNamed(int resource_id, ImageRTL rtl) {
60   // Flipped image is not used on Windows.
61   DCHECK_EQ(rtl, RTL_DISABLED);
62 
63   // Windows only uses SkBitmap for gfx::Image, so this is the same as
64   // GetImageNamed.
65   return GetImageNamed(resource_id);
66 }
67 
SetResourcesDataDLL(HINSTANCE handle)68 void SetResourcesDataDLL(HINSTANCE handle) {
69   resources_data_dll = handle;
70 }
71 
LoadThemeIconFromResourcesDataDLL(int icon_id)72 HICON LoadThemeIconFromResourcesDataDLL(int icon_id) {
73   return ::LoadIcon(GetCurrentResourceDLL(), MAKEINTRESOURCE(icon_id));
74 }
75 
76 }  // namespace ui;
77