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/*
* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``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 ITS 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 "DragImage.h"
#include "FloatPoint.h"
#include "IntPoint.h"
#include "IntRect.h"
#include "PasteboardWriterData.h"
#include "PromisedAttachmentInfo.h"
namespace WebCore {
struct DragItem final {
DragImage image;
// Where the image should be positioned relative to the cursor.
FloatPoint imageAnchorPoint;
std::optional<DragSourceAction> sourceAction;
IntPoint eventPositionInContentCoordinates;
IntPoint dragLocationInContentCoordinates;
IntPoint dragLocationInWindowCoordinates;
String title;
URL url;
IntRect dragPreviewFrameInRootViewCoordinates;
bool containsSelection { false };
PasteboardWriterData data;
PromisedAttachmentInfo promisedAttachmentInfo;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, DragItem&);
};
template<class Encoder>
void DragItem::encode(Encoder& encoder) const
{
// FIXME(173815): We should encode and decode PasteboardWriterData and platform drag image data
// here too, as part of moving off of the legacy dragging codepath.
encoder << sourceAction;
encoder << imageAnchorPoint << eventPositionInContentCoordinates << dragLocationInContentCoordinates << dragLocationInWindowCoordinates << title << url << dragPreviewFrameInRootViewCoordinates << containsSelection;
bool hasIndicatorData = image.hasIndicatorData();
encoder << hasIndicatorData;
if (hasIndicatorData)
encoder << image.indicatorData().value();
bool hasVisiblePath = image.hasVisiblePath();
encoder << hasVisiblePath;
if (hasVisiblePath)
encoder << image.visiblePath().value();
encoder << promisedAttachmentInfo;
}
template<class Decoder>
bool DragItem::decode(Decoder& decoder, DragItem& result)
{
if (!decoder.decode(result.sourceAction))
return false;
if (!decoder.decode(result.imageAnchorPoint))
return false;
if (!decoder.decode(result.eventPositionInContentCoordinates))
return false;
if (!decoder.decode(result.dragLocationInContentCoordinates))
return false;
if (!decoder.decode(result.dragLocationInWindowCoordinates))
return false;
if (!decoder.decode(result.title))
return false;
if (!decoder.decode(result.url))
return false;
if (!decoder.decode(result.dragPreviewFrameInRootViewCoordinates))
return false;
if (!decoder.decode(result.containsSelection))
return false;
bool hasIndicatorData;
if (!decoder.decode(hasIndicatorData))
return false;
if (hasIndicatorData) {
std::optional<TextIndicatorData> indicatorData;
decoder >> indicatorData;
if (!indicatorData)
return false;
result.image.setIndicatorData(*indicatorData);
}
bool hasVisiblePath;
if (!decoder.decode(hasVisiblePath))
return false;
if (hasVisiblePath) {
std::optional<Path> visiblePath;
decoder >> visiblePath;
if (!visiblePath)
return false;
result.image.setVisiblePath(*visiblePath);
}
if (!decoder.decode(result.promisedAttachmentInfo))
return false;
return true;
}
}
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