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