src/ui/base/resource/resource_data_dll_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_data_dll_win.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/ref_counted_memory.h"
   9 #include "base/win/resource_util.h"
  10
  11 namespace ui {
  12
  13 ResourceDataDLL::ResourceDataDLL(HINSTANCE module) : module_(module) {
  14   DCHECK(module_);
  15 }
  16
  17 ResourceDataDLL::~ResourceDataDLL() {
  18 }
  19
  20 bool ResourceDataDLL::HasResource(uint16 resource_id) const {
  21   void* data_ptr;
  22   size_t data_size;
  23   return base::win::GetDataResourceFromModule(module_,
  24                                               resource_id,
  25                                               &data_ptr,
  26                                               &data_size);
  27 }
  28
  29 bool ResourceDataDLL::GetStringPiece(uint16 resource_id,
  30                                      base::StringPiece* data) const {
  31   DCHECK(data);
  32   void* data_ptr;
  33   size_t data_size;
  34   if (base::win::GetDataResourceFromModule(module_,
  35                                            resource_id,
  36                                            &data_ptr,
  37                                            &data_size)) {
  38     data->set(static_cast<const char*>(data_ptr), data_size);
  39     return true;
  40   }
  41   return false;
  42 }
  43
  44 base::RefCountedStaticMemory* ResourceDataDLL::GetStaticMemory(
  45     uint16 resource_id) const {
  46   void* data_ptr;
  47   size_t data_size;
  48   if (base::win::GetDataResourceFromModule(module_, resource_id, &data_ptr,
  49                                            &data_size)) {
  50     return new base::RefCountedStaticMemory(data_ptr, data_size);
  51   }
  52   return NULL;
  53 }
  54
  55 ResourceHandle::TextEncodingType ResourceDataDLL::GetTextEncodingType() const {
  56   return BINARY;
  57 }
  58
  59 ScaleFactor ResourceDataDLL::GetScaleFactor() const {
  60   return ui::SCALE_FACTOR_NONE;
  61 }
  62
  63 }  // namespace ui