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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_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
     64