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// Copyright (c) 2012 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 CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_
#define CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_
#include <memory>
#include <vector>
#include "base/macros.h"
#include "content/common/message_port.h"
#include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
namespace content {
// This is thread safe.
class WebMessagePortChannelImpl : public blink::WebMessagePortChannel {
public:
~WebMessagePortChannelImpl() override;
explicit WebMessagePortChannelImpl(MessagePort message_port);
static void CreatePair(
std::unique_ptr<blink::WebMessagePortChannel>* channel1,
std::unique_ptr<blink::WebMessagePortChannel>* channel2);
// Extracts MessagePorts for passing on to other processes.
static std::vector<MessagePort> ExtractMessagePorts(
blink::WebMessagePortChannelArray channels);
// Creates WebMessagePortChannelImpl instances for MessagePorts passed in from
// other processes.
static blink::WebMessagePortChannelArray CreateFromMessagePorts(
const std::vector<MessagePort>& message_ports);
static blink::WebMessagePortChannelArray CreateFromMessagePipeHandles(
std::vector<mojo::ScopedMessagePipeHandle> handles);
MessagePort ReleaseMessagePort();
private:
explicit WebMessagePortChannelImpl(mojo::ScopedMessagePipeHandle handle);
// WebMessagePortChannel implementation.
void SetClient(blink::WebMessagePortChannelClient* client) override;
void PostMessage(const blink::WebString& encoded_message,
blink::WebMessagePortChannelArray channels) override;
bool TryGetMessage(blink::WebString* encoded_message,
blink::WebMessagePortChannelArray& channels) override;
MessagePort port_;
DISALLOW_COPY_AND_ASSIGN(WebMessagePortChannelImpl);
};
} // namespace content
#endif // CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_
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