122 lines
4.4 KiB
C++
122 lines
4.4 KiB
C++
/*
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* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* 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 "DragImage.h"
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#include "FloatPoint.h"
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#include "IntPoint.h"
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#include "IntRect.h"
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#include "PasteboardWriterData.h"
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#include "PromisedAttachmentInfo.h"
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namespace WebCore {
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struct DragItem final {
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DragImage image;
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// Where the image should be positioned relative to the cursor.
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FloatPoint imageAnchorPoint;
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std::optional<DragSourceAction> sourceAction;
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IntPoint eventPositionInContentCoordinates;
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IntPoint dragLocationInContentCoordinates;
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IntPoint dragLocationInWindowCoordinates;
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String title;
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URL url;
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IntRect dragPreviewFrameInRootViewCoordinates;
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PasteboardWriterData data;
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PromisedAttachmentInfo promisedAttachmentInfo;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, DragItem&);
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};
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template<class Encoder>
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void DragItem::encode(Encoder& encoder) const
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{
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// FIXME(173815): We should encode and decode PasteboardWriterData and platform drag image data
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// here too, as part of moving off of the legacy dragging codepath.
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encoder << sourceAction;
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encoder << imageAnchorPoint << eventPositionInContentCoordinates << dragLocationInContentCoordinates << dragLocationInWindowCoordinates << title << url << dragPreviewFrameInRootViewCoordinates;
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bool hasIndicatorData = image.hasIndicatorData();
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encoder << hasIndicatorData;
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if (hasIndicatorData)
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encoder << image.indicatorData().value();
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bool hasVisiblePath = image.hasVisiblePath();
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encoder << hasVisiblePath;
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if (hasVisiblePath)
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encoder << image.visiblePath().value();
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encoder << promisedAttachmentInfo;
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}
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template<class Decoder>
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bool DragItem::decode(Decoder& decoder, DragItem& result)
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{
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if (!decoder.decode(result.sourceAction))
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return false;
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if (!decoder.decode(result.imageAnchorPoint))
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return false;
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if (!decoder.decode(result.eventPositionInContentCoordinates))
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return false;
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if (!decoder.decode(result.dragLocationInContentCoordinates))
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return false;
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if (!decoder.decode(result.dragLocationInWindowCoordinates))
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return false;
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if (!decoder.decode(result.title))
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return false;
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if (!decoder.decode(result.url))
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return false;
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if (!decoder.decode(result.dragPreviewFrameInRootViewCoordinates))
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return false;
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bool hasIndicatorData;
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if (!decoder.decode(hasIndicatorData))
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return false;
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if (hasIndicatorData) {
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std::optional<TextIndicatorData> indicatorData;
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decoder >> indicatorData;
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if (!indicatorData)
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return false;
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result.image.setIndicatorData(*indicatorData);
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}
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bool hasVisiblePath;
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if (!decoder.decode(hasVisiblePath))
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return false;
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if (hasVisiblePath) {
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std::optional<Path> visiblePath;
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decoder >> visiblePath;
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if (!visiblePath)
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return false;
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result.image.setVisiblePath(*visiblePath);
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}
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if (!decoder.decode(result.promisedAttachmentInfo))
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return false;
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return true;
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}
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}
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