blob: 998b7bf950bf5376f7259c6f84e855cd73e5d952 [file] [log] [blame]
/*
* Copyright (C) 2007 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. ``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
* 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 "DragActions.h"
#include "DragData.h"
#include "DragItem.h"
#include "FloatPoint.h"
#include "IntPoint.h"
namespace WebCore {
class DataTransfer;
class Element;
class Frame;
class Image;
#if ENABLE(ATTACHMENT_ELEMENT)
struct PromisedAttachmentInfo;
#endif
class DragClient {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual bool useLegacyDragClient() { return true; }
virtual void willPerformDragDestinationAction(DragDestinationAction, const DragData&) = 0;
virtual void willPerformDragSourceAction(DragSourceAction, const IntPoint&, DataTransfer&) = 0;
virtual void didConcludeEditDrag() { }
virtual OptionSet<DragSourceAction> dragSourceActionMaskForPoint(const IntPoint& rootViewPoint) = 0;
virtual void startDrag(DragItem, DataTransfer&, Frame&) = 0;
virtual void dragEnded() { }
virtual void beginDrag(DragItem, Frame&, const IntPoint&, const IntPoint&, DataTransfer&, DragSourceAction) { }
#if PLATFORM(COCOA)
// Mac-specific helper function to allow access to web archives and NSPasteboard extras in WebKit.
// This is not abstract as that would require another #if PLATFORM(COCOA) for the SVGImage client empty implentation.
virtual void declareAndWriteDragImage(const String&, Element&, const URL&, const String&, Frame*) { }
#endif
virtual ~DragClient() = default;
};
} // namespace WebCore