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88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/Bindings/DataTransferItemPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/DataTransfer.h>
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#include <LibWeb/HTML/DataTransferItem.h>
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namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(DataTransferItem);
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JS::NonnullGCPtr<DataTransferItem> DataTransferItem::create(JS::Realm& realm, JS::NonnullGCPtr<DataTransfer> data_transfer, size_t item_index)
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{
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return realm.heap().allocate<DataTransferItem>(realm, realm, data_transfer, item_index);
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}
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DataTransferItem::DataTransferItem(JS::Realm& realm, JS::NonnullGCPtr<DataTransfer> data_transfer, size_t item_index)
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: PlatformObject(realm)
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, m_data_transfer(data_transfer)
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, m_item_index(item_index)
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{
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}
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DataTransferItem::~DataTransferItem() = default;
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void DataTransferItem::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(DataTransferItem);
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}
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void DataTransferItem::visit_edges(JS::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_data_transfer);
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}
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// https://html.spec.whatwg.org/multipage/dnd.html#dom-datatransferitem-kind
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String DataTransferItem::kind() const
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{
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// The kind attribute must return the empty string if the DataTransferItem object is in the disabled mode; otherwise
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// it must return the string given in the cell from the second column of the following table from the row whose cell
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// in the first column contains the drag data item kind of the item represented by the DataTransferItem object:
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//
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// Kind | String
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// ---------------
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// Text | "string"
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// File | "file"
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if (!mode().has_value())
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return {};
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auto const& item = m_data_transfer->drag_data(*m_item_index);
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switch (item.kind) {
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case DragDataStoreItem::Kind::Text:
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return "string"_string;
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case DragDataStoreItem::Kind::File:
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return "file"_string;
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}
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VERIFY_NOT_REACHED();
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}
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// https://html.spec.whatwg.org/multipage/dnd.html#dom-datatransferitem-type
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String DataTransferItem::type() const
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{
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// The type attribute must return the empty string if the DataTransferItem object is in the disabled mode; otherwise
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// it must return the drag data item type string of the item represented by the DataTransferItem object.
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if (!mode().has_value())
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return {};
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auto const& item = m_data_transfer->drag_data(*m_item_index);
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return item.type_string;
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}
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Optional<DragDataStore::Mode> DataTransferItem::mode() const
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{
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if (!m_item_index.has_value())
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return {};
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return m_data_transfer->mode();
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}
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}
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