blob: 73a762d6ea53d3e469abbd50fe5ee997c76287d3 [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 "remoting/client/chromoting_client.h"
#include "base/bind.h"
#include "remoting/base/capabilities.h"
#include "remoting/client/audio_decode_scheduler.h"
#include "remoting/client/audio_player.h"
#include "remoting/client/client_context.h"
#include "remoting/client/client_user_interface.h"
#include "remoting/client/rectangle_update_decoder.h"
#include "remoting/proto/audio.pb.h"
#include "remoting/proto/video.pb.h"
#include "remoting/protocol/authentication_method.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/host_stub.h"
#include "remoting/protocol/negotiating_client_authenticator.h"
#include "remoting/protocol/session_config.h"
#include "remoting/protocol/transport.h"
namespace remoting {
using protocol::AuthenticationMethod;
ChromotingClient::ChromotingClient(
const ClientConfig& config,
ClientContext* client_context,
protocol::ConnectionToHost* connection,
ClientUserInterface* user_interface,
scoped_refptr<FrameConsumerProxy> frame_consumer,
scoped_ptr<AudioPlayer> audio_player)
: config_(config),
task_runner_(client_context->main_task_runner()),
connection_(connection),
user_interface_(user_interface),
host_capabilities_received_(false),
weak_factory_(this) {
rectangle_decoder_ =
new RectangleUpdateDecoder(client_context->main_task_runner(),
client_context->decode_task_runner(),
frame_consumer);
audio_decode_scheduler_.reset(new AudioDecodeScheduler(
client_context->main_task_runner(),
client_context->audio_decode_task_runner(),
audio_player.Pass()));
}
ChromotingClient::~ChromotingClient() {
}
void ChromotingClient::Start(
SignalStrategy* signal_strategy,
scoped_ptr<protocol::TransportFactory> transport_factory) {
DCHECK(task_runner_->BelongsToCurrentThread());
scoped_ptr<protocol::Authenticator> authenticator(
new protocol::NegotiatingClientAuthenticator(
config_.client_pairing_id,
config_.client_paired_secret,
config_.authentication_tag,
config_.fetch_secret_callback,
user_interface_->GetTokenFetcher(config_.host_public_key),
config_.authentication_methods));
// Create a WeakPtr to ourself for to use for all posted tasks.
weak_ptr_ = weak_factory_.GetWeakPtr();
connection_->Connect(signal_strategy,
config_.host_jid,
config_.host_public_key,
transport_factory.Pass(),
authenticator.Pass(),
this,
this,
this,
rectangle_decoder_.get(),
audio_decode_scheduler_.get());
}
FrameProducer* ChromotingClient::GetFrameProducer() {
return rectangle_decoder_.get();
}
ChromotingStats* ChromotingClient::GetStats() {
DCHECK(task_runner_->BelongsToCurrentThread());
return rectangle_decoder_->GetStats();
}
void ChromotingClient::SetCapabilities(
const protocol::Capabilities& capabilities) {
DCHECK(task_runner_->BelongsToCurrentThread());
// Only accept the first |protocol::Capabilities| message.
if (host_capabilities_received_) {
LOG(WARNING) << "protocol::Capabilities has been received already.";
return;
}
host_capabilities_received_ = true;
if (capabilities.has_capabilities())
host_capabilities_ = capabilities.capabilities();
VLOG(1) << "Host capabilities: " << host_capabilities_;
// Calculate the set of capabilities enabled by both client and host and pass
// it to the webapp.
user_interface_->SetCapabilities(
IntersectCapabilities(config_.capabilities, host_capabilities_));
}
void ChromotingClient::SetPairingResponse(
const protocol::PairingResponse& pairing_response) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->SetPairingResponse(pairing_response);
}
void ChromotingClient::InjectClipboardEvent(
const protocol::ClipboardEvent& event) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->GetClipboardStub()->InjectClipboardEvent(event);
}
void ChromotingClient::SetCursorShape(
const protocol::CursorShapeInfo& cursor_shape) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->GetCursorShapeStub()->SetCursorShape(cursor_shape);
}
void ChromotingClient::OnConnectionState(
protocol::ConnectionToHost::State state,
protocol::ErrorCode error) {
DCHECK(task_runner_->BelongsToCurrentThread());
VLOG(1) << "ChromotingClient::OnConnectionState(" << state << ")";
if (state == protocol::ConnectionToHost::AUTHENTICATED) {
OnAuthenticated();
} else if (state == protocol::ConnectionToHost::CONNECTED) {
OnChannelsConnected();
}
user_interface_->OnConnectionState(state, error);
}
void ChromotingClient::OnConnectionReady(bool ready) {
VLOG(1) << "ChromotingClient::OnConnectionReady(" << ready << ")";
user_interface_->OnConnectionReady(ready);
}
void ChromotingClient::OnAuthenticated() {
DCHECK(task_runner_->BelongsToCurrentThread());
// Initialize the decoder.
rectangle_decoder_->Initialize(connection_->config());
if (connection_->config().is_audio_enabled())
audio_decode_scheduler_->Initialize(connection_->config());
// Do not negotiate capabilities with the host if the host does not support
// them.
if (!connection_->config().SupportsCapabilities()) {
VLOG(1) << "The host does not support any capabilities.";
host_capabilities_received_ = true;
user_interface_->SetCapabilities(host_capabilities_);
}
}
void ChromotingClient::OnChannelsConnected() {
DCHECK(task_runner_->BelongsToCurrentThread());
// Negotiate capabilities with the host.
if (connection_->config().SupportsCapabilities()) {
VLOG(1) << "Client capabilities: " << config_.capabilities;
protocol::Capabilities capabilities;
capabilities.set_capabilities(config_.capabilities);
connection_->host_stub()->SetCapabilities(capabilities);
}
}
} // namespace remoting