180 lines
5.9 KiB
C++
180 lines
5.9 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 <wtf/Vector.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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enum class PasteboardItemPresentationStyle {
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Unspecified,
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Inline,
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Attachment
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};
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struct PresentationSize {
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std::optional<double> width;
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std::optional<double> height;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<PresentationSize> decode(Decoder&);
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};
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template<class Encoder>
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void PresentationSize::encode(Encoder& encoder) const
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{
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encoder << width << height;
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}
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template<class Decoder>
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std::optional<PresentationSize> PresentationSize::decode(Decoder& decoder)
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{
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PresentationSize result;
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if (!decoder.decode(result.width))
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return std::nullopt;
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if (!decoder.decode(result.height))
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return std::nullopt;
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return result;
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}
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struct PasteboardItemInfo {
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Vector<String> pathsForFileUpload;
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Vector<String> platformTypesForFileUpload;
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Vector<String> platformTypesByFidelity;
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String suggestedFileName;
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PresentationSize preferredPresentationSize;
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bool isNonTextType { false };
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bool containsFileURLAndFileUploadContent { false };
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Vector<String> webSafeTypesByFidelity;
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PasteboardItemPresentationStyle preferredPresentationStyle { PasteboardItemPresentationStyle::Unspecified };
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String pathForContentType(const String& type) const
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{
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ASSERT(pathsForFileUpload.size() == platformTypesForFileUpload.size());
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auto index = platformTypesForFileUpload.find(type);
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if (index == notFound)
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return { };
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return pathsForFileUpload[index];
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}
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// The preferredPresentationStyle flag is platform API used by drag or copy sources to explicitly indicate
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// that the data being written to the item provider should be treated as an attachment; unfortunately, not
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// all clients attempt to set this flag, so we additionally take having a suggested filename as a strong
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// indicator that the item should be treated as an attachment or file.
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bool canBeTreatedAsAttachmentOrFile() const
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{
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switch (preferredPresentationStyle) {
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case PasteboardItemPresentationStyle::Inline:
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return false;
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case PasteboardItemPresentationStyle::Attachment:
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return true;
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case PasteboardItemPresentationStyle::Unspecified:
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return !suggestedFileName.isEmpty();
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}
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ASSERT_NOT_REACHED();
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return false;
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}
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String contentTypeForHighestFidelityItem() const
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{
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if (platformTypesForFileUpload.isEmpty())
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return { };
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return platformTypesForFileUpload.first();
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}
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String pathForHighestFidelityItem() const
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{
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if (pathsForFileUpload.isEmpty())
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return { };
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return pathsForFileUpload.first();
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}
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<PasteboardItemInfo> decode(Decoder&);
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};
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template<class Encoder>
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void PasteboardItemInfo::encode(Encoder& encoder) const
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{
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encoder << pathsForFileUpload << platformTypesForFileUpload << platformTypesByFidelity << suggestedFileName << preferredPresentationSize << isNonTextType << containsFileURLAndFileUploadContent << webSafeTypesByFidelity;
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encoder << preferredPresentationStyle;
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}
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template<class Decoder>
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std::optional<PasteboardItemInfo> PasteboardItemInfo::decode(Decoder& decoder)
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{
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PasteboardItemInfo result;
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if (!decoder.decode(result.pathsForFileUpload))
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return std::nullopt;
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if (!decoder.decode(result.platformTypesForFileUpload))
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return std::nullopt;
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if (!decoder.decode(result.platformTypesByFidelity))
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return std::nullopt;
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if (!decoder.decode(result.suggestedFileName))
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return std::nullopt;
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if (!decoder.decode(result.preferredPresentationSize))
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return std::nullopt;
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if (!decoder.decode(result.isNonTextType))
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return std::nullopt;
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if (!decoder.decode(result.containsFileURLAndFileUploadContent))
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return std::nullopt;
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if (!decoder.decode(result.webSafeTypesByFidelity))
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return std::nullopt;
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if (!decoder.decode(result.preferredPresentationStyle))
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return std::nullopt;
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return result;
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}
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}
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namespace WTF {
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template<> struct EnumTraits<WebCore::PasteboardItemPresentationStyle> {
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using values = EnumValues<
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WebCore::PasteboardItemPresentationStyle,
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WebCore::PasteboardItemPresentationStyle::Unspecified,
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WebCore::PasteboardItemPresentationStyle::Inline,
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WebCore::PasteboardItemPresentationStyle::Attachment
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>;
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};
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} // namespace WTF
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