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// Copyright 2014 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/browser/chromeos/file_system_provider/operations/read_directory.h"
#include <string>
#include "base/memory/linked_ptr.h"
#include "chrome/browser/chromeos/file_system_provider/operations/get_metadata.h"
#include "chrome/common/extensions/api/file_system_provider.h"
#include "chrome/common/extensions/api/file_system_provider_internal.h"
namespace chromeos {
namespace file_system_provider {
namespace operations {
namespace {
// Convert |input| into |output|. If parsing fails, then returns false.
bool ConvertRequestValueToEntryList(scoped_ptr<RequestValue> value,
storage::AsyncFileUtil::EntryList* output) {
using extensions::api::file_system_provider::EntryMetadata;
using extensions::api::file_system_provider_internal::
ReadDirectoryRequestedSuccess::Params;
const Params* params = value->read_directory_success_params();
if (!params)
return false;
for (size_t i = 0; i < params->entries.size(); ++i) {
const linked_ptr<EntryMetadata> entry_metadata = params->entries[i];
if (!ValidateIDLEntryMetadata(*entry_metadata, false /* root_entry */))
return false;
storage::DirectoryEntry output_entry;
output_entry.is_directory = entry_metadata->is_directory;
output_entry.name = entry_metadata->name;
output_entry.size = static_cast<int64>(entry_metadata->size);
std::string input_modification_time;
if (!entry_metadata->modification_time.additional_properties.GetString(
"value", &input_modification_time)) {
NOTREACHED();
}
if (!base::Time::FromString(input_modification_time.c_str(),
&output_entry.last_modified_time)) {
NOTREACHED();
}
output->push_back(output_entry);
}
return true;
}
} // namespace
ReadDirectory::ReadDirectory(
extensions::EventRouter* event_router,
const ProvidedFileSystemInfo& file_system_info,
const base::FilePath& directory_path,
const storage::AsyncFileUtil::ReadDirectoryCallback& callback)
: Operation(event_router, file_system_info),
directory_path_(directory_path),
callback_(callback) {
}
ReadDirectory::~ReadDirectory() {
}
bool ReadDirectory::Execute(int request_id) {
using extensions::api::file_system_provider::ReadDirectoryRequestedOptions;
ReadDirectoryRequestedOptions options;
options.file_system_id = file_system_info_.file_system_id();
options.request_id = request_id;
options.directory_path = directory_path_.AsUTF8Unsafe();
return SendEvent(
request_id,
extensions::api::file_system_provider::OnReadDirectoryRequested::
kEventName,
extensions::api::file_system_provider::OnReadDirectoryRequested::Create(
options));
}
void ReadDirectory::OnSuccess(int /* request_id */,
scoped_ptr<RequestValue> result,
bool has_more) {
storage::AsyncFileUtil::EntryList entry_list;
const bool convert_result =
ConvertRequestValueToEntryList(result.Pass(), &entry_list);
if (!convert_result) {
LOG(ERROR)
<< "Failed to parse a response for the read directory operation.";
callback_.Run(base::File::FILE_ERROR_IO,
storage::AsyncFileUtil::EntryList(),
false /* has_more */);
return;
}
callback_.Run(base::File::FILE_OK, entry_list, has_more);
}
void ReadDirectory::OnError(int /* request_id */,
scoped_ptr<RequestValue> /* result */,
base::File::Error error) {
callback_.Run(
error, storage::AsyncFileUtil::EntryList(), false /* has_more */);
}
} // namespace operations
} // namespace file_system_provider
} // namespace chromeos
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