#pragma once
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "ExceptionOr.h"
#include "FileError.h"
#include "FileReaderLoader.h"
#include "FileReaderLoaderClient.h"
namespace JSC {
class ArrayBuffer;
}
namespace WebCore {
class Blob;
class FileReader final : public RefCounted<FileReader>, public ActiveDOMObject, public EventTargetWithInlineData, private FileReaderLoaderClient {
public:
static Ref<FileReader> create(ScriptExecutionContext&);
virtual ~FileReader();
enum ReadyState {
EMPTY = 0,
LOADING = 1,
DONE = 2
};
ExceptionOr<void> readAsArrayBuffer(Blob*);
ExceptionOr<void> readAsBinaryString(Blob*);
ExceptionOr<void> readAsText(Blob*, const String& encoding);
ExceptionOr<void> readAsDataURL(Blob*);
void abort();
void doAbort();
ReadyState readyState() const { return m_state; }
RefPtr<FileError> error() { return m_error; }
FileReaderLoader::ReadType readType() const { return m_readType; }
Optional<Variant<String, RefPtr<JSC::ArrayBuffer>>> result() const;
using RefCounted::ref;
using RefCounted::deref;
private:
explicit FileReader(ScriptExecutionContext&);
const char* activeDOMObjectName() const final;
bool canSuspendForDocumentSuspension() const final;
void stop() final;
EventTargetInterface eventTargetInterface() const final { return FileReaderEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
void didStartLoading() final;
void didReceiveData() final;
void didFinishLoading() final;
void didFail(int errorCode) final;
ExceptionOr<void> readInternal(Blob&, FileReaderLoader::ReadType);
void fireErrorEvent(int httpStatusCode);
void fireEvent(const AtomicString& type);
ReadyState m_state { EMPTY };
bool m_aborting { false };
RefPtr<Blob> m_blob;
FileReaderLoader::ReadType m_readType { FileReaderLoader::ReadAsBinaryString };
String m_encoding;
std::unique_ptr<FileReaderLoader> m_loader;
RefPtr<FileError> m_error;
MonotonicTime m_lastProgressNotificationTime { MonotonicTime::nan() };
};
}