70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/*
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* Copyright (C) 2007 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "DragActions.h"
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#include "DragData.h"
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#include "DragItem.h"
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#include "FloatPoint.h"
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#include "IntPoint.h"
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namespace WebCore {
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class DataTransfer;
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class Element;
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class Frame;
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class Image;
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#if ENABLE(ATTACHMENT_ELEMENT)
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struct PromisedAttachmentInfo;
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#endif
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class DragClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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virtual bool useLegacyDragClient() { return true; }
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virtual void willPerformDragDestinationAction(DragDestinationAction, const DragData&) = 0;
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virtual void willPerformDragSourceAction(DragSourceAction, const IntPoint&, DataTransfer&) = 0;
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virtual void didConcludeEditDrag() { }
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virtual OptionSet<DragSourceAction> dragSourceActionMaskForPoint(const IntPoint& rootViewPoint) = 0;
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virtual void startDrag(DragItem, DataTransfer&, Frame&) = 0;
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virtual void dragEnded() { }
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virtual void beginDrag(DragItem, Frame&, const IntPoint&, const IntPoint&, DataTransfer&, DragSourceAction) { }
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#if PLATFORM(COCOA)
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// Mac-specific helper function to allow access to web archives and NSPasteboard extras in WebKit.
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// This is not abstract as that would require another #if PLATFORM(COCOA) for the SVGImage client empty implentation.
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virtual void declareAndWriteDragImage(const String&, Element&, const URL&, const String&, Frame*) { }
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#endif
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virtual ~DragClient() = default;
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};
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} // namespace WebCore
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