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// 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 "base/file_util_proxy.h"
#include "base/platform_file.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/file_system/file_system_backend.h"
#include "chrome/browser/file_system/file_system_backend_client.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFileError.h"
namespace {
// Utility method for error conversions.
WebKit::WebFileError PlatformToWebkitError(base::PlatformFileError rv) {
switch (rv) {
case base::PLATFORM_FILE_ERROR_NOT_FOUND:
return WebKit::WebFileErrorNotFound;
case base::PLATFORM_FILE_ERROR_INVALID_OPERATION:
case base::PLATFORM_FILE_ERROR_EXISTS:
case base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY:
return WebKit::WebFileErrorInvalidModification;
case base::PLATFORM_FILE_ERROR_ACCESS_DENIED:
return WebKit::WebFileErrorInvalidModification;
default:
return WebKit::WebFileErrorNoModificationAllowed;
}
}
} // namespace
FileSystemBackend::FileSystemBackend()
: callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
void FileSystemBackend::set_client(FileSystemBackendClient* client) {
client_ = client;
}
void FileSystemBackend::CreateFile(const FilePath& path,
bool exclusive,
int request_id) {
request_id_ = request_id;
base::FileUtilProxy::CreateOrOpen(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, base::PLATFORM_FILE_CREATE,
callback_factory_.NewCallback(
exclusive ? &FileSystemBackend::DidCreateFileExclusive
: &FileSystemBackend::DidCreateFileNonExclusive));
}
void FileSystemBackend::CreateDirectory(const FilePath& path,
bool exclusive,
int request_id) {
request_id_ = request_id;
base::FileUtilProxy::CreateDirectory(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, exclusive, callback_factory_.NewCallback(
&FileSystemBackend::DidFinishFileOperation));
}
void FileSystemBackend::Copy(const FilePath& src_path,
const FilePath& dest_path,
int request_id) {
request_id_ = request_id;
base::FileUtilProxy::Copy(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
src_path, dest_path, callback_factory_.NewCallback(
&FileSystemBackend::DidFinishFileOperation));
}
void FileSystemBackend::Move(const FilePath& src_path,
const FilePath& dest_path,
int request_id) {
request_id_ = request_id;
base::FileUtilProxy::Move(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
src_path, dest_path, callback_factory_.NewCallback(
&FileSystemBackend::DidFinishFileOperation));
}
void FileSystemBackend::DirectoryExists(const FilePath& path, int request_id) {
request_id_ = request_id;
base::FileUtilProxy::GetFileInfo(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, callback_factory_.NewCallback(
&FileSystemBackend::DidDirectoryExists));
}
void FileSystemBackend::FileExists(const FilePath& path, int request_id) {
request_id_ = request_id;
base::FileUtilProxy::GetFileInfo(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, callback_factory_.NewCallback(&FileSystemBackend::DidFileExists));
}
void FileSystemBackend::GetMetadata(const FilePath& path, int request_id) {
request_id_ = request_id;
base::FileUtilProxy::GetFileInfo(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, callback_factory_.NewCallback(&FileSystemBackend::DidGetMetadata));
}
void FileSystemBackend::ReadDirectory(
const FilePath& path, int request_id) {
request_id_ = request_id;
base::FileUtilProxy::ReadDirectory(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, callback_factory_.NewCallback(
&FileSystemBackend::DidReadDirectory));
}
void FileSystemBackend::Remove(const FilePath& path, int request_id) {
request_id_ = request_id;
base::FileUtilProxy::Delete(
ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE),
path, callback_factory_.NewCallback(
&FileSystemBackend::DidFinishFileOperation));
}
void FileSystemBackend::DidCreateFileExclusive(base::PlatformFileError rv,
base::PassPlatformFile file,
bool created) {
DidFinishFileOperation(rv);
}
void FileSystemBackend::DidCreateFileNonExclusive(base::PlatformFileError rv,
base::PassPlatformFile file,
bool created) {
// Supress the already exists error and report success.
if (rv == base::PLATFORM_FILE_OK ||
rv == base::PLATFORM_FILE_ERROR_EXISTS)
client_->DidSucceed(rv);
else
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
void FileSystemBackend::DidFinishFileOperation(base::PlatformFileError rv) {
DCHECK(client_);
if (rv == base::PLATFORM_FILE_OK)
client_->DidSucceed(request_id_);
else
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
void FileSystemBackend::DidDirectoryExists(
base::PlatformFileError rv, const base::PlatformFileInfo& file_info) {
DCHECK(client_);
if (rv == base::PLATFORM_FILE_OK) {
if (file_info.is_directory)
client_->DidSucceed(request_id_);
else
client_->DidFail(WebKit::WebFileErrorInvalidState, request_id_);
} else {
// Something else went wrong.
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
}
void FileSystemBackend::DidFileExists(
base::PlatformFileError rv,
const base::PlatformFileInfo& file_info) {
DCHECK(client_);
if (rv == base::PLATFORM_FILE_OK) {
if (file_info.is_directory)
client_->DidFail(WebKit::WebFileErrorInvalidState, request_id_);
else
client_->DidSucceed(request_id_);
} else {
// Something else went wrong.
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
}
void FileSystemBackend::DidGetMetadata(
base::PlatformFileError rv,
const base::PlatformFileInfo& file_info) {
DCHECK(client_);
if (rv == base::PLATFORM_FILE_OK)
client_->DidReadMetadata(file_info, request_id_);
else
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
void FileSystemBackend::DidReadDirectory(
base::PlatformFileError rv,
const std::vector<base::file_util_proxy::Entry>& entries) {
DCHECK(client_);
if (rv == base::PLATFORM_FILE_OK)
client_->DidReadDirectory(entries, false /* has_more */ , request_id_);
else
client_->DidFail(PlatformToWebkitError(rv), request_id_);
}
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