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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/file_system_access/file_system_access_bucket_path_watcher.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/task/bind_post_task.h"
#include "base/task/sequenced_task_runner.h"
#include "base/threading/sequence_bound.h"
#include "content/browser/file_system_access/file_system_access_error.h"
#include "content/browser/file_system_access/file_system_access_watcher_manager.h"
#include "storage/browser/file_system/file_observers.h"
#include "storage/browser/file_system/file_system_url.h"
#include "storage/browser/file_system/sandbox_file_system_backend_delegate.h"
namespace content {
FileSystemAccessBucketPathWatcher::FileSystemAccessBucketPathWatcher(
scoped_refptr<storage::FileSystemContext> file_system_context,
base::PassKey<FileSystemAccessWatcherManager> /*pass_key*/)
: FileSystemAccessChangeSource(
FileSystemAccessWatchScope::GetScopeForAllBucketFileSystems(),
std::move(file_system_context)) {}
FileSystemAccessBucketPathWatcher::~FileSystemAccessBucketPathWatcher() =
default;
void FileSystemAccessBucketPathWatcher::Initialize(
base::OnceCallback<void(blink::mojom::FileSystemAccessErrorPtr)>
on_source_initialized) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
storage::SandboxFileSystemBackendDelegate* sandbox_delegate =
file_system_context()->sandbox_delegate();
if (!sandbox_delegate) {
std::move(on_source_initialized)
.Run(file_system_access_error::FromStatus(
blink::mojom::FileSystemAccessStatus::kOperationFailed));
return;
}
sandbox_delegate->AddFileChangeObserver(
storage::FileSystemType::kFileSystemTypeTemporary, this,
base::SequencedTaskRunner::GetCurrentDefault().get());
std::move(on_source_initialized).Run(file_system_access_error::Ok());
}
void FileSystemAccessBucketPathWatcher::OnCreateFile(
const storage::FileSystemURL& url) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kFile, ChangeType::kCreated,
base::FilePath(url.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnCreateFileFrom(
const storage::FileSystemURL& url,
const storage::FileSystemURL& src) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kFile, ChangeType::kCreated,
base::FilePath(url.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnMoveFileFrom(
const storage::FileSystemURL& url,
const storage::FileSystemURL& src) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kFile, ChangeType::kMoved,
base::FilePath(url.virtual_path()),
base::FilePath(src.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnRemoveFile(
const storage::FileSystemURL& url) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kFile, ChangeType::kDeleted,
base::FilePath(url.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnModifyFile(
const storage::FileSystemURL& url) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kFile, ChangeType::kModified,
base::FilePath(url.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnCreateDirectory(
const storage::FileSystemURL& url) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kDirectory, ChangeType::kCreated,
base::FilePath(url.virtual_path())));
}
void FileSystemAccessBucketPathWatcher::OnRemoveDirectory(
const storage::FileSystemURL& url) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NotifyOfChange(url, /*error=*/false,
ChangeInfo(FilePathType::kDirectory, ChangeType::kDeleted,
base::FilePath(url.virtual_path())));
}
} // namespace content
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