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LibWeb: Add a Transferable interface to model the transferable property

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This property is only shared by MessagePort and a few Image related APIs
but is important for the Structured{De}SerializeWithTransfer AOs.
This commit is contained in:
Andrew Kaster 2023-12-07 15:52:08 -07:00 • committed by Andreas Kling
parent 512624f31a
commit e21d1078a0
4 changed files with 107 additions and 5 deletions
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20
Userland/Libraries/LibWeb/HTML/StructuredSerialize.h
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@ -10,6 +10,7 @@
#include <AK/Result.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#include <LibIPC/Forward.h>
#include <LibJS/Forward.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
@ -24,6 +25,25 @@ using SerializationRecord = Vector<u32>;
using SerializationMemory = HashMap<JS::Handle<JS::Value>, u32>;
using DeserializationMemory = JS::MarkedVector<JS::Value>;
struct TransferDataHolder {
Vector<u8> data;
Vector<IPC::File> fds;
};
struct SerializedTransferRecord {
SerializationRecord serialized;
Vector<TransferDataHolder> transfer_data_holders;
};
struct DeserializedTransferRecord {
JS::Value deserialized;
JS::MarkedVector<JS::Value> transferred_values;
};
enum class TransferType : u8 {
MessagePort,
};
WebIDL::ExceptionOr<SerializationRecord> structured_serialize(JS::VM& vm, JS::Value);
WebIDL::ExceptionOr<SerializationRecord> structured_serialize_for_storage(JS::VM& vm, JS::Value);
WebIDL::ExceptionOr<SerializationRecord> structured_serialize_internal(JS::VM& vm, JS::Value, bool for_storage, SerializationMemory&);