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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_CAST_STREAMING_BROWSER_CONTROL_REMOTING_RPC_INITIALIZATION_CALL_HANDLER_BASE_H_
#define COMPONENTS_CAST_STREAMING_BROWSER_CONTROL_REMOTING_RPC_INITIALIZATION_CALL_HANDLER_BASE_H_
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "media/cast/openscreen/rpc_call_message_handler.h"
#include "third_party/openscreen/src/cast/streaming/public/rpc_messenger.h"
namespace openscreen::cast {
class RpcMessage;
} // namespace openscreen::cast
namespace cast_streaming::remoting {
// This class acts to simplify the initialization process. Instead of directly
// handling RPC messages, implementers of this class only need to call a single
// callback at the appropriate time.
class RpcInitializationCallHandlerBase
: public media::cast::RpcInitializationCallMessageHandler {
public:
~RpcInitializationCallHandlerBase() override;
// Called following an RPC call to acquire the Renderer. Callback parameter is
// the handle to be used by future calls associated with the Renderer.
using AcquireRendererCB =
base::OnceCallback<void(openscreen::cast::RpcMessenger::Handle)>;
virtual void RpcAcquireRendererAsync(
openscreen::cast::RpcMessenger::Handle remote_handle,
AcquireRendererCB cb) = 0;
protected:
using RpcProcessMessageCB = base::RepeatingCallback<void(
openscreen::cast::RpcMessenger::Handle handle,
std::unique_ptr<openscreen::cast::RpcMessage>)>;
explicit RpcInitializationCallHandlerBase(
RpcProcessMessageCB message_processor);
private:
void OnAcquireRendererDone(
openscreen::cast::RpcMessenger::Handle sender_handle,
openscreen::cast::RpcMessenger::Handle receiver_handle);
// RpcInitializationCallMessageHandler partial implementation.
void OnRpcAcquireRenderer(
openscreen::cast::RpcMessenger::Handle sender_handle) override;
RpcProcessMessageCB message_processor_;
base::WeakPtrFactory<RpcInitializationCallHandlerBase> weak_factory_;
};
} // namespace cast_streaming::remoting
#endif // COMPONENTS_CAST_STREAMING_BROWSER_CONTROL_REMOTING_RPC_INITIALIZATION_CALL_HANDLER_BASE_H_
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