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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "FileSystemHandle.h"
namespace WebCore {
class FileSystemFileHandle;
template<typename> class ExceptionOr;
class FileSystemDirectoryHandle final : public FileSystemHandle {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(FileSystemDirectoryHandle);
public:
struct GetFileOptions {
bool create { false };
};
struct GetDirectoryOptions {
bool create { false };
};
struct RemoveOptions {
bool recursive { false };
};
WEBCORE_EXPORT static Ref<FileSystemDirectoryHandle> create(ScriptExecutionContext&, String&&, FileSystemHandleIdentifier, Ref<FileSystemStorageConnection>&&);
void getFileHandle(const String& name, const GetFileOptions&, DOMPromiseDeferred<IDLInterface<FileSystemFileHandle>>&&);
void getDirectoryHandle(const String& name, const GetDirectoryOptions&, DOMPromiseDeferred<IDLInterface<FileSystemDirectoryHandle>>&&);
void removeEntry(const String& name, const RemoveOptions&, DOMPromiseDeferred<void>&&);
void resolve(const FileSystemHandle&, DOMPromiseDeferred<IDLSequence<IDLUSVString>>&&);
void getHandleNames(CompletionHandler<void(ExceptionOr<Vector<String>>&&)>&&);
void getHandle(const String& name, CompletionHandler<void(ExceptionOr<Ref<FileSystemHandle>>&&)>&&);
class Iterator : public RefCounted<FileSystemDirectoryHandle::Iterator> {
public:
static Ref<Iterator> create(FileSystemDirectoryHandle&);
using Result = std::optional<KeyValuePair<String, Ref<FileSystemHandle>>>;
void next(CompletionHandler<void(ExceptionOr<Result>&&)>&&);
private:
explicit Iterator(FileSystemDirectoryHandle& source)
: m_source(source)
{
}
void advance(CompletionHandler<void(ExceptionOr<Result>&&)>&&);
Ref<FileSystemDirectoryHandle> m_source;
size_t m_index { 0 };
Vector<String> m_keys;
bool m_isInitialized { false };
bool m_isWaitingForResult { false };
};
Ref<Iterator> createIterator(ScriptExecutionContext*);
private:
FileSystemDirectoryHandle(ScriptExecutionContext&, String&&, FileSystemHandleIdentifier, Ref<FileSystemStorageConnection>&&);
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::FileSystemDirectoryHandle)
static bool isType(const WebCore::FileSystemHandle& handle) { return handle.kind() == WebCore::FileSystemHandle::Kind::Directory; }
SPECIALIZE_TYPE_TRAITS_END()
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