src/ui/base/resource/resource_bundle_win.cc

   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
  25 HINSTANCE GetCurrentResourceDLL() {
  26   if (resources_data_dll)
  27     return resources_data_dll;
  28   return GetModuleHandle(NULL);
  29 }
  30
  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
  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     AddDataPackFromPath(
  53         GetResourcesPakFilePath("chrome_200_percent.pak"),
  54         SCALE_FACTOR_200P);
  55   }
  56 }
  57
  58 gfx::Image& ResourceBundle::GetNativeImageNamed(int resource_id, ImageRTL rtl) {
  59   // Flipped image is not used on Windows.
  60   DCHECK_EQ(rtl, RTL_DISABLED);
  61
  62   // Windows only uses SkBitmap for gfx::Image, so this is the same as
  63   // GetImageNamed.
  64   return GetImageNamed(resource_id);
  65 }
  66
  67 void SetResourcesDataDLL(HINSTANCE handle) {
  68   resources_data_dll = handle;
  69 }
  70
  71 HICON LoadThemeIconFromResourcesDataDLL(int icon_id) {
  72   return ::LoadIcon(GetCurrentResourceDLL(), MAKEINTRESOURCE(icon_id));
  73 }
  74
  75 }  // namespace ui;