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// Copyright (c) 2012 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/bind.h"
#include "base/compiler_specific.h"
#include "base/files/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_context.h"
#include "webkit/fileapi/file_system_operation.h"
#include "webkit/fileapi/file_system_url.h"
using net::NetworkDelegate;
using net::URLRequest;
using net::URLRequestJob;
using net::URLRequestStatus;
namespace fileapi {
FileSystemDirURLRequestJob::FileSystemDirURLRequestJob(
URLRequest* request,
NetworkDelegate* network_delegate,
FileSystemContext* file_system_context)
: URLRequestJob(request, network_delegate),
file_system_context_(file_system_context),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
}
FileSystemDirURLRequestJob::~FileSystemDirURLRequestJob() {
}
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;
}
void FileSystemDirURLRequestJob::Start() {
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&FileSystemDirURLRequestJob::StartAsync,
weak_factory_.GetWeakPtr()));
}
void FileSystemDirURLRequestJob::Kill() {
URLRequestJob::Kill();
weak_factory_.InvalidateWeakPtrs();
}
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() {
if (!request_)
return;
url_ = file_system_context_->CrackURL(request_->url());
base::PlatformFileError error_code;
FileSystemOperation* operation = GetNewOperation(&error_code);
if (error_code != base::PLATFORM_FILE_OK) {
NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
net::PlatformFileErrorToNetError(error_code)));
return;
}
operation->ReadDirectory(
url_,
base::Bind(&FileSystemDirURLRequestJob::DidReadDirectory, this));
}
void FileSystemDirURLRequestJob::DidReadDirectory(
base::PlatformFileError result,
const std::vector<base::FileUtilProxy::Entry>& entries,
bool has_more) {
if (result != base::PLATFORM_FILE_OK) {
int rv = net::ERR_FILE_NOT_FOUND;
if (result == base::PLATFORM_FILE_ERROR_INVALID_URL)
rv = net::ERR_INVALID_URL;
NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
return;
}
if (!request_)
return;
if (data_.empty()) {
base::FilePath relative_path = url_.path();
#if defined(OS_POSIX)
relative_path = base::FilePath(FILE_PATH_LITERAL("/") + relative_path.value());
#endif
const string16& title = relative_path.LossyDisplayName();
data_.append(net::GetDirectoryListingHeader(title));
}
typedef std::vector<base::FileUtilProxy::Entry>::const_iterator EntryIterator;
for (EntryIterator it = entries.begin(); it != entries.end(); ++it) {
const string16& name = base::FilePath(it->name).LossyDisplayName();
data_.append(net::GetDirectoryListingEntry(
name, std::string(), it->is_directory, it->size,
it->last_modified_time));
}
if (has_more) {
base::PlatformFileError error_code;
FileSystemOperation* operation = GetNewOperation(&error_code);
if (error_code != base::PLATFORM_FILE_OK) {
NotifyDone(URLRequestStatus(
URLRequestStatus::FAILED,
net::PlatformFileErrorToNetError(error_code)));
return;
}
operation->ReadDirectory(
url_,
base::Bind(&FileSystemDirURLRequestJob::DidReadDirectory, this));
} else {
set_expected_content_size(data_.size());
NotifyHeadersComplete();
}
}
FileSystemOperation* FileSystemDirURLRequestJob::GetNewOperation(
base::PlatformFileError* error_code) {
return file_system_context_->CreateFileSystemOperation(url_, error_code);
}
} // namespace fileapi
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