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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_MESSAGING_BLINK_TRANSFERABLE_MESSAGE_STRUCT_TRAITS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_MESSAGING_BLINK_TRANSFERABLE_MESSAGE_STRUCT_TRAITS_H_
#include "mojo/public/cpp/bindings/array_traits_wtf_vector.h"
#include "skia/public/interfaces/bitmap_skbitmap_struct_traits.h"
#include "third_party/blink/public/common/messaging/message_port_channel.h"
#include "third_party/blink/public/mojom/messaging/transferable_message.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/messaging/blink_cloneable_message_struct_traits.h"
#include "third_party/blink/renderer/core/messaging/blink_transferable_message.h"
namespace mojo {
template <>
struct CORE_EXPORT
StructTraits<blink::mojom::blink::TransferableMessage::DataView,
blink::BlinkTransferableMessage> {
static blink::BlinkCloneableMessage& message(
blink::BlinkTransferableMessage& input) {
return input;
}
static Vector<mojo::ScopedMessagePipeHandle> ports(
blink::BlinkTransferableMessage& input) {
Vector<mojo::ScopedMessagePipeHandle> result;
result.ReserveInitialCapacity(input.ports.size());
for (const auto& port : input.ports)
result.push_back(port.ReleaseHandle());
return result;
}
static Vector<mojo::ScopedMessagePipeHandle> stream_channels(
blink::BlinkTransferableMessage& input) {
Vector<mojo::ScopedMessagePipeHandle> result;
auto& stream_channels = input.message->GetStreamChannels();
result.ReserveInitialCapacity(stream_channels.size());
for (const auto& port : stream_channels)
result.push_back(port.ReleaseHandle());
return result;
}
static const blink::SerializedScriptValue::ArrayBufferContentsArray&
array_buffer_contents_array(const blink::BlinkCloneableMessage& input) {
return input.message->GetArrayBufferContentsArray();
}
static Vector<SkBitmap> image_bitmap_contents_array(
const blink::BlinkCloneableMessage& input);
static bool has_user_gesture(const blink::BlinkTransferableMessage& input) {
return input.has_user_gesture;
}
static const blink::mojom::blink::UserActivationSnapshotPtr& user_activation(
const blink::BlinkTransferableMessage& input) {
return input.user_activation;
}
static bool transfer_user_activation(
const blink::BlinkTransferableMessage& input) {
return input.transfer_user_activation;
}
static bool Read(blink::mojom::blink::TransferableMessage::DataView,
blink::BlinkTransferableMessage* out);
};
template <>
class CORE_EXPORT
StructTraits<blink::mojom::blink::SerializedArrayBufferContents::DataView,
WTF::ArrayBufferContents> {
public:
static mojo_base::BigBuffer contents(
const WTF::ArrayBufferContents& array_buffer_contents) {
uint8_t* allocation_start =
static_cast<uint8_t*>(array_buffer_contents.Data());
return mojo_base::BigBuffer(
base::make_span(allocation_start, array_buffer_contents.DataLength()));
}
static bool Read(blink::mojom::blink::SerializedArrayBufferContents::DataView,
WTF::ArrayBufferContents* out);
};
} // namespace mojo
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_MESSAGING_BLINK_TRANSFERABLE_MESSAGE_STRUCT_TRAITS_H_
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