// 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 "chrome/installer/test/resource_updater.h"
#include <windows.h>
#include "base/files/file_path.h"
#include "base/files/memory_mapped_file.h"
#include "base/logging.h"
namespace upgrade_test {
ResourceUpdater::ResourceUpdater() : handle_(NULL) {
}
ResourceUpdater::~ResourceUpdater() {
if (handle_ != NULL) {
// An update wasn't committed, so discard it.
BOOL result = EndUpdateResource(handle_, TRUE);
DPCHECK(result != FALSE) << "EndUpdateResource failed";
}
}
bool ResourceUpdater::Initialize(const base::FilePath& pe_image_path) {
DCHECK(handle_ == NULL);
handle_ = BeginUpdateResource(pe_image_path.value().c_str(), FALSE);
if (handle_ == NULL) {
PLOG(DFATAL)
<< "BeginUpdateResource failed on \"" << pe_image_path.value() << "\"";
return false;
}
return true;
}
bool ResourceUpdater::Update(const std::wstring& name,
const std::wstring& type,
WORD language_id,
const base::FilePath& input_file) {
DCHECK(handle_ != NULL);
base::MemoryMappedFile input;
if (input.Initialize(input_file)) {
if (UpdateResource(handle_, type.c_str(), name.c_str(), language_id,
const_cast<uint8*>(input.data()), input.length())
!= FALSE) {
return true;
}
PLOG(DFATAL) << "UpdateResource failed for resource \"" << name << "\"";
} else {
PLOG(DFATAL) << "Failed mapping \"" << input_file.value() << "\"";
}
return false;
}
bool ResourceUpdater::Commit() {
DCHECK(handle_ != NULL);
bool result = true;
if (EndUpdateResource(handle_, FALSE) == FALSE) {
PLOG(DFATAL) << "EndUpdateResource failed";
result = false;
}
handle_ = NULL;
return result;
}
} // namespace upgrade_test