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LibWeb: Add a Transferable interface to model the transferable property
This property is only shared by MessagePort and a few Image related APIs but is important for the Structured{De}SerializeWithTransfer AOs.
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4 changed files with 107 additions and 5 deletions
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@ -10,6 +10,7 @@
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#include <AK/Result.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <LibIPC/Forward.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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@ -24,6 +25,25 @@ using SerializationRecord = Vector<u32>;
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using SerializationMemory = HashMap<JS::Handle<JS::Value>, u32>;
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using DeserializationMemory = JS::MarkedVector<JS::Value>;
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struct TransferDataHolder {
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Vector<u8> data;
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Vector<IPC::File> fds;
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};
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struct SerializedTransferRecord {
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SerializationRecord serialized;
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Vector<TransferDataHolder> transfer_data_holders;
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};
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struct DeserializedTransferRecord {
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JS::Value deserialized;
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JS::MarkedVector<JS::Value> transferred_values;
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};
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enum class TransferType : u8 {
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MessagePort,
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};
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize(JS::VM& vm, JS::Value);
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize_for_storage(JS::VM& vm, JS::Value);
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize_internal(JS::VM& vm, JS::Value, bool for_storage, SerializationMemory&);
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