blob: 62a6f136e23eb3cda6d839f0290e023798f44b28 [file] [log] [blame]
// 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.
#include <cstddef>
#include "base/macros.h"
#include "remoting/protocol/channel_dispatcher_base.h"
#include "remoting/protocol/client_stub.h"
#include "remoting/protocol/clipboard_stub.h"
#include "remoting/protocol/cursor_shape_stub.h"
namespace remoting {
namespace protocol {
class HostStub;
class PairingResponse;
// HostControlDispatcher dispatches incoming messages on the control
// channel to HostStub or ClipboardStub, and also implements ClientStub and
// CursorShapeStub for outgoing messages.
class HostControlDispatcher : public ChannelDispatcherBase,
public ClientStub {
~HostControlDispatcher() override;
// ClientStub implementation.
void SetCapabilities(const Capabilities& capabilities) override;
void SetPairingResponse(const PairingResponse& pairing_response) override;
void DeliverHostMessage(const ExtensionMessage& message) override;
void SetVideoLayout(const VideoLayout& layout) override;
// ClipboardStub implementation for sending clipboard data to client.
void InjectClipboardEvent(const ClipboardEvent& event) override;
// CursorShapeStub implementation for sending cursor shape to client.
void SetCursorShape(const CursorShapeInfo& cursor_shape) override;
// Sets the ClipboardStub that will be called for each incoming clipboard
// message. |clipboard_stub| must outlive this object.
void set_clipboard_stub(ClipboardStub* clipboard_stub) {
clipboard_stub_ = clipboard_stub;
// Sets the HostStub that will be called for each incoming control
// message. |host_stub| must outlive this object.
void set_host_stub(HostStub* host_stub) { host_stub_ = host_stub; }
// Sets the maximum size of outgoing messages, which defaults to 64KiB. This
// is used to ensure we don't try to send any clipboard messages that the
// client can't receive. Clipboard updates that are larger than the maximum
// message size will be dropped.
void set_max_message_size(std::size_t max_message_size) {
LOG(INFO) << "Setting maximum message size to " << max_message_size;
max_message_size_ = max_message_size;
void OnIncomingMessage(std::unique_ptr<CompoundBuffer> buffer) override;
ClipboardStub* clipboard_stub_ = nullptr;
HostStub* host_stub_ = nullptr;
// 64 KiB is the default message size expected to be supported in absence of
// a higher value negotiated via SDP.
std::size_t max_message_size_ = 64 * 1024;
} // namespace protocol
} // namespace remoting