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// Copyright 2015 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 EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_SESSION_H_
#define EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_SESSION_H_
#include <map>
#include <string>
#include "extensions/common/mojo/wifi_display_session_service.mojom.h"
#include "extensions/renderer/api/display_source/display_source_session.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "third_party/wds/src/libwds/public/source.h"
namespace base {
class Timer;
} // namespace base
namespace extensions {
class WiFiDisplayMediaManager;
// This class represents a single Wi-Fi Display session.
// It manages life-cycle of the session and it is also responsible for
// exchange of session controlling (RTSP) messages with the sink.
class WiFiDisplaySession : public DisplaySourceSession,
public mojom::WiFiDisplaySessionServiceClient,
public wds::Peer::Delegate,
public wds::Peer::Observer {
public:
explicit WiFiDisplaySession(
const DisplaySourceSessionParams& params);
~WiFiDisplaySession() override;
private:
using DisplaySourceSession::CompletionCallback;
// DisplaySourceSession overrides.
void Start(const CompletionCallback& callback) override;
void Terminate(const CompletionCallback& callback) override;
// WiFiDisplaySessionServiceClient overrides.
void OnConnected(const std::string& local_ip_address,
const std::string& sink_ip_address) override;
void OnConnectRequestHandled(bool success, const std::string& error) override;
void OnTerminated() override;
void OnDisconnectRequestHandled(bool success,
const std::string& error) override;
void OnError(int32_t type, const std::string& description) override;
void OnMessage(const std::string& data) override;
// wds::Peer::Delegate overrides.
unsigned CreateTimer(int seconds) override;
void ReleaseTimer(unsigned timer_id) override;
void SendRTSPData(const std::string& message) override;
std::string GetLocalIPAddress() const override;
int GetNextCSeq(int* initial_peer_cseq = nullptr) const override;
// wds::Peer::Observer overrides.
void ErrorOccurred(wds::ErrorType error) override;
void SessionCompleted() override;
// A connection error handler for the mojo objects used in this class.
void OnIPCConnectionError();
// An error handler for media pipeline error.
void OnMediaError(const std::string& error);
void Terminate();
void RunStartCallback(bool success, const std::string& error = "");
void RunTerminateCallback(bool success, const std::string& error = "");
private:
std::unique_ptr<wds::Source> wfd_source_;
std::unique_ptr<WiFiDisplayMediaManager> media_manager_;
mojom::WiFiDisplaySessionServicePtr service_;
mojo::Binding<WiFiDisplaySessionServiceClient> binding_;
std::string local_ip_address_;
std::map<int, std::unique_ptr<base::Timer>> timers_;
DisplaySourceSessionParams params_;
CompletionCallback start_completion_callback_;
CompletionCallback teminate_completion_callback_;
// Holds sequence number for the following RTSP request-response pair.
mutable int cseq_;
int timer_id_;
base::WeakPtrFactory<WiFiDisplaySession> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(WiFiDisplaySession);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_SESSION_H_
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