content/browser/broadcast_channel/broadcast_channel_provider.h

// Copyright 2016 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_BROWSER_BROADCAST_CHANNEL_BROADCAST_CHANNEL_PROVIDER_H_
#define CONTENT_BROWSER_BROADCAST_CHANNEL_BROADCAST_CHANNEL_PROVIDER_H_

#include <map>

#include "base/memory/ref_counted.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "third_party/WebKit/public/platform/modules/broadcastchannel/broadcast_channel.mojom.h"
#include "url/origin.h"

namespace content {

class BroadcastChannelProvider
    : public base::RefCountedThreadSafe<BroadcastChannelProvider>,
  public blink::mojom::BroadcastChannelProvider {
 public:
  BroadcastChannelProvider();
  void Connect(
      mojo::InterfaceRequest<blink::mojom::BroadcastChannelProvider> request);

  void ConnectToChannel(
      const url::Origin& origin,
      const mojo::String& name,
      blink::mojom::BroadcastChannelClientAssociatedPtrInfo client,
      blink::mojom::BroadcastChannelClientAssociatedRequest connection)
          override;

 private:
  friend class base::RefCountedThreadSafe<BroadcastChannelProvider>;
  class Connection;

  ~BroadcastChannelProvider() override;

  void UnregisterConnection(Connection*);
  void ReceivedMessageOnConnection(Connection*, mojo::Array<uint8_t> message);

  mojo::BindingSet<blink::mojom::BroadcastChannelProvider> bindings_;
  std::map<url::Origin, std::multimap<std::string, std::unique_ptr<Connection>>>
      connections_;
};

}  // namespace content

#endif  // CONTENT_BROWSER_BROADCAST_CHANNEL_BROADCAST_CHANNEL_PROVIDER_H_