mirror of
https://github.com/klzgrad/naiveproxy.git
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82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/files/file_util_proxy.h"
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#include "base/bind.h"
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#include "base/bind_helpers.h"
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#include "base/files/file_util.h"
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#include "base/location.h"
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#include "base/macros.h"
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#include "base/task_runner.h"
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#include "base/task_runner_util.h"
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namespace base {
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namespace {
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void CallWithTranslatedParameter(const FileUtilProxy::StatusCallback& callback,
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bool value) {
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DCHECK(!callback.is_null());
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callback.Run(value ? File::FILE_OK : File::FILE_ERROR_FAILED);
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}
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class GetFileInfoHelper {
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public:
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GetFileInfoHelper()
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: error_(File::FILE_OK) {}
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void RunWorkForFilePath(const FilePath& file_path) {
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if (!PathExists(file_path)) {
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error_ = File::FILE_ERROR_NOT_FOUND;
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return;
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}
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if (!GetFileInfo(file_path, &file_info_))
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error_ = File::FILE_ERROR_FAILED;
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}
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void Reply(const FileUtilProxy::GetFileInfoCallback& callback) {
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if (!callback.is_null()) {
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callback.Run(error_, file_info_);
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}
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}
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private:
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File::Error error_;
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File::Info file_info_;
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DISALLOW_COPY_AND_ASSIGN(GetFileInfoHelper);
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};
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} // namespace
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// Retrieves the information about a file. It is invalid to pass NULL for the
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// callback.
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bool FileUtilProxy::GetFileInfo(
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TaskRunner* task_runner,
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const FilePath& file_path,
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const GetFileInfoCallback& callback) {
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GetFileInfoHelper* helper = new GetFileInfoHelper;
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return task_runner->PostTaskAndReply(
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FROM_HERE,
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BindOnce(&GetFileInfoHelper::RunWorkForFilePath, Unretained(helper),
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file_path),
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BindOnce(&GetFileInfoHelper::Reply, Owned(helper), callback));
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}
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// static
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bool FileUtilProxy::Touch(
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TaskRunner* task_runner,
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const FilePath& file_path,
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const Time& last_access_time,
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const Time& last_modified_time,
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const StatusCallback& callback) {
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return base::PostTaskAndReplyWithResult(
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task_runner,
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FROM_HERE,
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Bind(&TouchFile, file_path, last_access_time, last_modified_time),
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Bind(&CallWithTranslatedParameter, callback));
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}
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} // namespace base
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