/* * Copyright (C) 2017 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 "ActiveDOMObject.h" #include "Exception.h" #include "ScriptWrappable.h" #include <wtf/RefCounted.h> #include <wtf/text/WTFString.h> namespace WebCore { class ErrorCallback; class FileSystemDirectoryEntry; class FileSystemEntriesCallback; class ScriptExecutionContext; class FileSystemDirectoryReader final : public ScriptWrappable, public ActiveDOMObject, public RefCounted<FileSystemDirectoryReader> { public: static Ref<FileSystemDirectoryReader> create(ScriptExecutionContext& context, FileSystemDirectoryEntry& directory) { return adoptRef(*new FileSystemDirectoryReader(context, directory)); } ~FileSystemDirectoryReader(); void readEntries(ScriptExecutionContext&, Ref<FileSystemEntriesCallback>&&, RefPtr<ErrorCallback>&&); private: FileSystemDirectoryReader(ScriptExecutionContext&, FileSystemDirectoryEntry&); const char* activeDOMObjectName() const final; bool canSuspendForDocumentSuspension() const final; Ref<FileSystemDirectoryEntry> m_directory; Optional<Exception> m_error; bool m_isReading { false }; bool m_isDone { false }; }; }