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// 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/host/ipc_desktop_environment.h"
#include <utility>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/process_util.h"
#include "base/single_thread_task_runner.h"
#include "ipc/ipc_sender.h"
#include "media/video/capture/screen/screen_capturer.h"
#include "remoting/host/audio_capturer.h"
#include "remoting/host/chromoting_messages.h"
#include "remoting/host/desktop_session.h"
#include "remoting/host/desktop_session_proxy.h"
#include "remoting/host/event_executor.h"
#include "remoting/host/session_controller.h"
namespace remoting {
IpcDesktopEnvironment::IpcDesktopEnvironment(
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
const std::string& client_jid,
const base::Closure& disconnect_callback,
base::WeakPtr<DesktopSessionConnector> desktop_session_connector,
bool virtual_terminal)
: caller_task_runner_(caller_task_runner),
desktop_session_proxy_(new DesktopSessionProxy(caller_task_runner,
io_task_runner,
client_jid,
disconnect_callback)) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
desktop_session_proxy_->ConnectToDesktopSession(desktop_session_connector,
virtual_terminal);
}
IpcDesktopEnvironment::~IpcDesktopEnvironment() {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
}
scoped_ptr<AudioCapturer> IpcDesktopEnvironment::CreateAudioCapturer(
scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return desktop_session_proxy_->CreateAudioCapturer(audio_task_runner);
}
scoped_ptr<EventExecutor> IpcDesktopEnvironment::CreateEventExecutor(
scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return desktop_session_proxy_->CreateEventExecutor(input_task_runner,
ui_task_runner);
}
scoped_ptr<SessionController> IpcDesktopEnvironment::CreateSessionController() {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return desktop_session_proxy_->CreateSessionController();
}
scoped_ptr<media::ScreenCapturer> IpcDesktopEnvironment::CreateVideoCapturer(
scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return desktop_session_proxy_->CreateVideoCapturer(capture_task_runner,
encode_task_runner);
}
IpcDesktopEnvironmentFactory::IpcDesktopEnvironmentFactory(
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
IPC::Sender* daemon_channel)
: caller_task_runner_(caller_task_runner),
io_task_runner_(io_task_runner),
curtain_activated_(false),
daemon_channel_(daemon_channel),
connector_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
next_id_(0) {
}
IpcDesktopEnvironmentFactory::~IpcDesktopEnvironmentFactory() {
}
void IpcDesktopEnvironmentFactory::SetActivated(bool activated) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
curtain_activated_ = activated;
}
scoped_ptr<DesktopEnvironment> IpcDesktopEnvironmentFactory::Create(
const std::string& client_jid,
const base::Closure& disconnect_callback) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return scoped_ptr<DesktopEnvironment>(new IpcDesktopEnvironment(
caller_task_runner_, io_task_runner_, client_jid, disconnect_callback,
connector_factory_.GetWeakPtr(), curtain_activated_));
}
bool IpcDesktopEnvironmentFactory::SupportsAudioCapture() const {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return AudioCapturer::IsSupported();
}
void IpcDesktopEnvironmentFactory::ConnectTerminal(
DesktopSessionProxy* desktop_session_proxy,
const DesktopSessionParams& params,
bool virtual_terminal) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
int id = next_id_++;
bool inserted = active_connections_.insert(
std::make_pair(id, desktop_session_proxy)).second;
CHECK(inserted);
VLOG(1) << "Network: registered desktop environment " << id;
daemon_channel_->Send(new ChromotingNetworkHostMsg_ConnectTerminal(
id, params, virtual_terminal));
}
void IpcDesktopEnvironmentFactory::DisconnectTerminal(
DesktopSessionProxy* desktop_session_proxy) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
ActiveConnectionsList::iterator i;
for (i = active_connections_.begin(); i != active_connections_.end(); ++i) {
if (i->second == desktop_session_proxy)
break;
}
if (i != active_connections_.end()) {
int id = i->first;
active_connections_.erase(i);
VLOG(1) << "Network: unregistered desktop environment " << id;
daemon_channel_->Send(new ChromotingNetworkHostMsg_DisconnectTerminal(id));
}
}
void IpcDesktopEnvironmentFactory::OnDesktopSessionAgentAttached(
int terminal_id,
base::ProcessHandle desktop_process,
IPC::PlatformFileForTransit desktop_pipe) {
if (!caller_task_runner_->BelongsToCurrentThread()) {
caller_task_runner_->PostTask(FROM_HERE, base::Bind(
&IpcDesktopEnvironmentFactory::OnDesktopSessionAgentAttached,
base::Unretained(this), terminal_id, desktop_process, desktop_pipe));
return;
}
ActiveConnectionsList::iterator i = active_connections_.find(terminal_id);
if (i != active_connections_.end()) {
i->second->DetachFromDesktop();
i->second->AttachToDesktop(desktop_process, desktop_pipe);
} else {
base::CloseProcessHandle(desktop_process);
#if defined(OS_POSIX)
DCHECK(desktop_pipe.auto_close);
base::ClosePlatformFile(desktop_pipe.fd);
#endif // defined(OS_POSIX)
}
}
void IpcDesktopEnvironmentFactory::OnTerminalDisconnected(int terminal_id) {
if (!caller_task_runner_->BelongsToCurrentThread()) {
caller_task_runner_->PostTask(FROM_HERE, base::Bind(
&IpcDesktopEnvironmentFactory::OnTerminalDisconnected,
base::Unretained(this), terminal_id));
return;
}
ActiveConnectionsList::iterator i = active_connections_.find(terminal_id);
if (i != active_connections_.end()) {
DesktopSessionProxy* desktop_session_proxy = i->second;
active_connections_.erase(i);
// Disconnect the client session.
desktop_session_proxy->DisconnectSession();
}
}
} // namespace remoting
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