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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_JS_INJECTION_COMMON_WEB_MESSAGE_MOJOM_TRAITS_H_
#define COMPONENTS_JS_INJECTION_COMMON_WEB_MESSAGE_MOJOM_TRAITS_H_
#include <string>
#include <variant>
#include "components/js_injection/common/interfaces.mojom-shared.h"
#include "mojo/public/cpp/base/big_buffer.h"
#include "mojo/public/cpp/base/big_buffer_mojom_traits.h"
#include "mojo/public/cpp/bindings/union_traits.h"
#include "third_party/blink/public/common/messaging/string_message_codec.h"
namespace mojo {
template <>
struct StructTraits<js_injection::mojom::JsWebMessageArrayBufferValueDataView,
std::unique_ptr<blink::WebMessageArrayBufferPayload>> {
static mojo_base::BigBuffer array_buffer_value(
const std::unique_ptr<blink::WebMessageArrayBufferPayload>&
array_buffer) {
auto big_buffer = mojo_base::BigBuffer(array_buffer->GetLength());
array_buffer->CopyInto(big_buffer);
return big_buffer;
}
static bool is_resizable_by_user_javascript(
const std::unique_ptr<blink::WebMessageArrayBufferPayload>&
array_buffer) {
return array_buffer->GetIsResizableByUserJavaScript();
}
static size_t max_byte_length(
const std::unique_ptr<blink::WebMessageArrayBufferPayload>&
array_buffer) {
return array_buffer->GetMaxByteLength();
}
static bool Read(js_injection::mojom::JsWebMessageArrayBufferValueDataView r,
std::unique_ptr<blink::WebMessageArrayBufferPayload>* out);
};
template <>
struct UnionTraits<js_injection::mojom::JsWebMessageDataView,
blink::WebMessagePayload> {
static const std::u16string& string_value(
const blink::WebMessagePayload& payload) {
return std::get<std::u16string>(payload);
}
static const std::unique_ptr<blink::WebMessageArrayBufferPayload>&
array_buffer_value(const blink::WebMessagePayload& payload) {
return std::get<std::unique_ptr<blink::WebMessageArrayBufferPayload>>(
payload);
}
static js_injection::mojom::JsWebMessageDataView::Tag GetTag(
const blink::WebMessagePayload& payload);
static bool Read(js_injection::mojom::JsWebMessageDataView r,
blink::WebMessagePayload* out);
};
} // namespace mojo
#endif // COMPONENTS_JS_INJECTION_COMMON_WEB_MESSAGE_MOJOM_TRAITS_H_
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