IDragDropTextHelper.h

//========================================================================================
// 
// $File$
// 
// Owner: Paul Sorrick
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
// 
// $Change$
// 
// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
// 
// Purpose:
// Utilities for use for dealing with drag and drop of text.
// 
//========================================================================================

#ifndef __IDRAGDROPTEXTHELPER__
#define __IDRAGDROPTEXTHELPER__

#include "TextEditorID.h"
#include "DragDropConstants.h"
#include "IDragDropTextUtils.h"

class UIDRef;
class RangeData;
class IParcel;
class ITextStoryThread;

class IDragDropTextHelper : public IPMUnknown
{
 public:
 enum { kDefaultIID = IID_IDRAGDROPTEXTHELPER };

 virtual IParcel* QueryParcelFromHitObject(IControlView* view, const PMPoint& where, const IPMUnknown* hitObj, const IParcel* previousParcel) = 0;

 virtual ITextStoryThread* QueryStoryThreadFromHitObject(IControlView* view, const PMPoint& where, const IPMUnknown* hitObj, const IParcel* previousParcel) = 0;

 virtual void AdjustRangeFromHitTest(IControlView* view, const UIDRef& storyUIDRef, const PMReal& hitIndex, const PMReal& nextLine, RangeData& adjustedRange) = 0;
};
 
#endif // __IDRAGDROPTEXTHELPER__