#pragma once
#include "CachedResourceHandle.h"
#include "DataTransferAccessPolicy.h"
#include "DragActions.h"
#include "DragImage.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
class CachedImage;
class DragData;
class DragImageLoader;
class Element;
class FileList;
class Pasteboard;
class DataTransfer : public RefCounted<DataTransfer> {
public:
static Ref<DataTransfer> createForCopyAndPaste(DataTransferAccessPolicy);
static Ref<DataTransfer> createForInputEvent(const String& plainText, const String& htmlText);
WEBCORE_EXPORT ~DataTransfer();
String dropEffect() const;
void setDropEffect(const String&);
String effectAllowed() const;
void setEffectAllowed(const String&);
Vector<String> types() const;
FileList& files() const;
void clearData(const String& type = String());
String getData(const String& type) const;
void setData(const String& type, const String& data);
void setDragImage(Element*, int x, int y);
void setAccessPolicy(DataTransferAccessPolicy);
bool canReadTypes() const;
bool canReadData() const;
bool canWriteData() const;
bool hasFileOfType(const String&);
bool hasStringOfType(const String&);
Pasteboard& pasteboard() { return *m_pasteboard; }
#if ENABLE(DRAG_SUPPORT)
static Ref<DataTransfer> createForDrag();
static Ref<DataTransfer> createForDrop(DataTransferAccessPolicy, const DragData&);
bool dropEffectIsUninitialized() const { return m_dropEffect == "uninitialized"; }
DragOperation sourceOperation() const;
DragOperation destinationOperation() const;
void setSourceOperation(DragOperation);
void setDestinationOperation(DragOperation);
void setDragHasStarted() { m_shouldUpdateDragImage = true; }
DragImageRef createDragImage(IntPoint& dragLocation) const;
void updateDragImage();
#endif
private:
enum Type { CopyAndPaste, DragAndDrop, InputEvent };
DataTransfer(DataTransferAccessPolicy, std::unique_ptr<Pasteboard>, Type = CopyAndPaste, bool forFileDrag = false);
#if ENABLE(DRAG_SUPPORT)
bool canSetDragImage() const;
#endif
DataTransferAccessPolicy m_policy;
std::unique_ptr<Pasteboard> m_pasteboard;
mutable RefPtr<FileList> m_fileList;
#if ENABLE(DRAG_SUPPORT)
bool m_forDrag;
bool m_forFileDrag;
String m_dropEffect;
String m_effectAllowed;
bool m_shouldUpdateDragImage;
IntPoint m_dragLocation;
CachedResourceHandle<CachedImage> m_dragImage;
RefPtr<Element> m_dragImageElement;
std::unique_ptr<DragImageLoader> m_dragImageLoader;
#endif
};
}