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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/compiler_specific.h"
#include "base/logging.h"
#include "base/process/process_handle.h"
#include "base/single_thread_task_runner.h"
#include "ipc/ipc_sender.h"
#include "remoting/host/audio_capturer.h"
#include "remoting/host/chromoting_messages.h"
#include "remoting/host/client_session_control.h"
#include "remoting/host/desktop_session.h"
#include "remoting/host/desktop_session_proxy.h"
#include "remoting/host/gnubby_auth_handler.h"
#include "remoting/host/input_injector.h"
#include "remoting/host/screen_controls.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"
#include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
namespace remoting {
IpcDesktopEnvironment::IpcDesktopEnvironment(
scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
base::WeakPtr<ClientSessionControl> client_session_control,
base::WeakPtr<DesktopSessionConnector> desktop_session_connector,
bool virtual_terminal,
bool supports_touch_events) {
DCHECK(caller_task_runner->BelongsToCurrentThread());
desktop_session_proxy_ = new DesktopSessionProxy(audio_task_runner,
caller_task_runner,
io_task_runner,
capture_task_runner,
client_session_control,
desktop_session_connector,
virtual_terminal,
supports_touch_events);
}
IpcDesktopEnvironment::~IpcDesktopEnvironment() {
}
scoped_ptr<AudioCapturer> IpcDesktopEnvironment::CreateAudioCapturer() {
return desktop_session_proxy_->CreateAudioCapturer();
}
scoped_ptr<InputInjector> IpcDesktopEnvironment::CreateInputInjector() {
return desktop_session_proxy_->CreateInputInjector();
}
scoped_ptr<ScreenControls> IpcDesktopEnvironment::CreateScreenControls() {
return desktop_session_proxy_->CreateScreenControls();
}
scoped_ptr<webrtc::MouseCursorMonitor>
IpcDesktopEnvironment::CreateMouseCursorMonitor() {
return desktop_session_proxy_->CreateMouseCursorMonitor();
}
scoped_ptr<webrtc::DesktopCapturer>
IpcDesktopEnvironment::CreateVideoCapturer() {
return desktop_session_proxy_->CreateVideoCapturer();
}
std::string IpcDesktopEnvironment::GetCapabilities() const {
return desktop_session_proxy_->GetCapabilities();
}
void IpcDesktopEnvironment::SetCapabilities(const std::string& capabilities) {
return desktop_session_proxy_->SetCapabilities(capabilities);
}
scoped_ptr<GnubbyAuthHandler> IpcDesktopEnvironment::CreateGnubbyAuthHandler(
protocol::ClientStub* client_stub) {
return nullptr;
}
IpcDesktopEnvironmentFactory::IpcDesktopEnvironmentFactory(
scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
IPC::Sender* daemon_channel)
: audio_task_runner_(audio_task_runner),
caller_task_runner_(caller_task_runner),
capture_task_runner_(capture_task_runner),
io_task_runner_(io_task_runner),
curtain_enabled_(false),
daemon_channel_(daemon_channel),
next_id_(0),
connector_factory_(this),
supports_touch_events_(false) {
}
IpcDesktopEnvironmentFactory::~IpcDesktopEnvironmentFactory() {
}
scoped_ptr<DesktopEnvironment> IpcDesktopEnvironmentFactory::Create(
base::WeakPtr<ClientSessionControl> client_session_control) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return make_scoped_ptr(
new IpcDesktopEnvironment(audio_task_runner_,
caller_task_runner_,
capture_task_runner_,
io_task_runner_,
client_session_control,
connector_factory_.GetWeakPtr(),
curtain_enabled_,
supports_touch_events_));
}
void IpcDesktopEnvironmentFactory::SetEnableCurtaining(bool enable) {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
curtain_enabled_ = enable;
}
bool IpcDesktopEnvironmentFactory::SupportsAudioCapture() const {
DCHECK(caller_task_runner_->BelongsToCurrentThread());
return AudioCapturer::IsSupported();
}
void IpcDesktopEnvironmentFactory::ConnectTerminal(
DesktopSessionProxy* desktop_session_proxy,
const ScreenResolution& resolution,
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, resolution, 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::SetScreenResolution(
DesktopSessionProxy* desktop_session_proxy,
const ScreenResolution& resolution) {
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()) {
daemon_channel_->Send(new ChromotingNetworkDaemonMsg_SetScreenResolution(
i->first, resolution));
}
}
void IpcDesktopEnvironmentFactory::OnDesktopSessionAgentAttached(
int terminal_id,
base::ProcessHandle desktop_process_handle,
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_handle,
desktop_pipe));
return;
}
base::Process desktop_process(desktop_process_handle);
ActiveConnectionsList::iterator i = active_connections_.find(terminal_id);
if (i != active_connections_.end()) {
i->second->DetachFromDesktop();
i->second->AttachToDesktop(desktop_process.Pass(), desktop_pipe);
} else {
#if defined(OS_POSIX)
DCHECK(desktop_pipe.auto_close);
base::File pipe_closer(IPC::PlatformFileForTransitToFile(desktop_pipe));
#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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