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// Copyright (c) 2011 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 "webkit/fileapi/file_system_dir_url_request_job.h"
#include <algorithm>
#include "base/compiler_specific.h"
#include "base/file_util_proxy.h"
#include "base/message_loop.h"
#include "base/platform_file.h"
#include "base/sys_string_conversions.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "build/build_config.h"
#include "googleurl/src/gurl.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "net/url_request/url_request.h"
#include "webkit/fileapi/file_system_path_manager.h"
#include "webkit/fileapi/file_system_util.h"
using net::URLRequest;
using net::URLRequestJob;
using net::URLRequestStatus;
namespace fileapi {
FileSystemDirURLRequestJob::FileSystemDirURLRequestJob(
URLRequest* request, FileSystemPathManager* path_manager,
scoped_refptr<base::MessageLoopProxy> file_thread_proxy)
: URLRequestJob(request),
path_manager_(path_manager),
ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(callback_factory_(this)),
file_thread_proxy_(file_thread_proxy) {
}
FileSystemDirURLRequestJob::~FileSystemDirURLRequestJob() {
}
void FileSystemDirURLRequestJob::Start() {
MessageLoop::current()->PostTask(FROM_HERE,
method_factory_.NewRunnableMethod(
&FileSystemDirURLRequestJob::StartAsync));
}
void FileSystemDirURLRequestJob::Kill() {
URLRequestJob::Kill();
callback_factory_.RevokeAll();
}
bool FileSystemDirURLRequestJob::ReadRawData(net::IOBuffer* dest, int dest_size,
int *bytes_read) {
int count = std::min(dest_size, static_cast<int>(data_.size()));
if (count > 0) {
memcpy(dest->data(), data_.data(), count);
data_.erase(0, count);
}
*bytes_read = count;
return true;
}
bool FileSystemDirURLRequestJob::GetMimeType(std::string* mime_type) const {
*mime_type = "text/html";
return true;
}
bool FileSystemDirURLRequestJob::GetCharset(std::string* charset) {
*charset = "utf-8";
return true;
}
void FileSystemDirURLRequestJob::StartAsync() {
GURL origin_url;
FileSystemType type;
if (!CrackFileSystemURL(request_->url(), &origin_url, &type,
&relative_dir_path_)) {
NotifyFailed(net::ERR_INVALID_URL);
return;
}
path_manager_->GetFileSystemRootPath(
origin_url, type, false, // create
callback_factory_.NewCallback(
&FileSystemDirURLRequestJob::DidGetRootPath));
}
void FileSystemDirURLRequestJob::DidGetRootPath(bool success,
const FilePath& root_path,
const std::string& name) {
if (!success) {
NotifyFailed(net::ERR_FILE_NOT_FOUND);
return;
}
absolute_dir_path_ = root_path.Append(relative_dir_path_);
// We assume it's a directory if we've gotten here: either the path
// ends with '/', or FileSystemDirURLRequestJob already statted it and
// found it to be a directory.
base::FileUtilProxy::ReadDirectory(file_thread_proxy_, absolute_dir_path_,
callback_factory_.NewCallback(
&FileSystemDirURLRequestJob::DidReadDirectory));
}
void FileSystemDirURLRequestJob::DidReadDirectory(
base::PlatformFileError error_code,
const std::vector<base::FileUtilProxy::Entry>& entries) {
if (error_code != base::PLATFORM_FILE_OK) {
NotifyFailed(error_code);
return;
}
#if defined(OS_WIN)
const string16& title = relative_dir_path_.value();
#elif defined(OS_POSIX)
const string16& title = WideToUTF16(
base::SysNativeMBToWide(relative_dir_path_.value()));
#endif
data_.append(net::GetDirectoryListingHeader(ASCIIToUTF16("/") + title));
typedef std::vector<base::FileUtilProxy::Entry>::const_iterator EntryIterator;
for (EntryIterator it = entries.begin(); it != entries.end(); ++it) {
#if defined(OS_WIN)
const string16& name = it->name;
#elif defined(OS_POSIX)
const string16& name =
WideToUTF16(base::SysNativeMBToWide(it->name));
#endif
// TODO(adamk): Add file size?
data_.append(net::GetDirectoryListingEntry(
name, std::string(), it->is_directory, 0, base::Time()));
}
set_expected_content_size(data_.size());
NotifyHeadersComplete();
}
void FileSystemDirURLRequestJob::NotifyFailed(int rv) {
NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
}
} // namespace fileapi
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