blob: e26ec08f1c1af045ee9b1ff52c6effd7d979d481 [file] [log] [blame]
// Copyright 2014 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.
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
namespace remoting {
class ClientSessionDetails;
class HostExtension;
class HostExtensionSession;
namespace protocol {
class ClientStub;
class ExtensionMessage;
// Helper class used to create and manage a set of HostExtensionSession
// instances depending upon the set of registered HostExtensions, and the
// set of capabilities negotiated between client and host.
class HostExtensionSessionManager {
using HostExtensions = std::vector<HostExtension*>;
// Creates an extension manager for the specified |extensions|.
HostExtensionSessionManager(const HostExtensions& extensions,
ClientSessionDetails* client_session_details);
virtual ~HostExtensionSessionManager();
// Returns the union of all capabilities supported by registered extensions.
std::string GetCapabilities() const;
// Handles completion of authentication and capabilities negotiation, creating
// the set of HostExtensionSessions to match the client's capabilities.
void OnNegotiatedCapabilities(protocol::ClientStub* client_stub,
const std::string& capabilities);
// Passes |message| to each HostExtensionSession in turn until the message
// is handled, or none remain. Returns true if the message was handled.
// It is not valid for more than one extension to handle the same message.
bool OnExtensionMessage(const protocol::ExtensionMessage& message);
using HostExtensionSessions =
// Passed to HostExtensionSessions to allow them to send messages,
// disconnect the session, etc.
ClientSessionDetails* client_session_details_;
protocol::ClientStub* client_stub_;
// The HostExtensions to instantiate for the session, if it reaches the
// authenticated state.
HostExtensions extensions_;
// The instantiated HostExtensionSessions, used to handle extension messages.
HostExtensionSessions extension_sessions_;
} // namespace remoting