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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "remoting/host/basic_desktop_environment.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/logging.h"
      9 #include "base/single_thread_task_runner.h"
     10 #include "remoting/host/audio_capturer.h"
     11 #include "remoting/host/client_session_control.h"
     12 #include "remoting/host/gnubby_auth_handler.h"
     13 #include "remoting/host/input_injector.h"
     14 #include "remoting/host/screen_controls.h"
     15 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
     16 
     17 namespace remoting {
     18 
     19 BasicDesktopEnvironment::~BasicDesktopEnvironment() {
     20   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     21 }
     22 
     23 scoped_ptr<AudioCapturer> BasicDesktopEnvironment::CreateAudioCapturer() {
     24   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     25 
     26   return AudioCapturer::Create();
     27 }
     28 
     29 scoped_ptr<InputInjector> BasicDesktopEnvironment::CreateInputInjector() {
     30   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     31 
     32   return InputInjector::Create(input_task_runner(), ui_task_runner());
     33 }
     34 
     35 scoped_ptr<ScreenControls> BasicDesktopEnvironment::CreateScreenControls() {
     36   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     37 
     38   return scoped_ptr<ScreenControls>();
     39 }
     40 
     41 std::string BasicDesktopEnvironment::GetCapabilities() const {
     42   return std::string();
     43 }
     44 
     45 void BasicDesktopEnvironment::SetCapabilities(const std::string& capabilities) {
     46 }
     47 
     48 scoped_ptr<GnubbyAuthHandler> BasicDesktopEnvironment::CreateGnubbyAuthHandler(
     49     protocol::ClientStub* client_stub) {
     50   return scoped_ptr<GnubbyAuthHandler>();
     51 }
     52 
     53 scoped_ptr<webrtc::ScreenCapturer>
     54 BasicDesktopEnvironment::CreateVideoCapturer() {
     55   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     56 
     57   // The basic desktop environment does not use X DAMAGE, since it is
     58   // broken on many systems - see http://crbug.com/73423.
     59   return scoped_ptr<webrtc::ScreenCapturer>(webrtc::ScreenCapturer::Create());
     60 }
     61 
     62 BasicDesktopEnvironment::BasicDesktopEnvironment(
     63     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     64     scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     65     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
     66     : caller_task_runner_(caller_task_runner),
     67       input_task_runner_(input_task_runner),
     68       ui_task_runner_(ui_task_runner) {
     69   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     70 }
     71 
     72 BasicDesktopEnvironmentFactory::BasicDesktopEnvironmentFactory(
     73     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     74     scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     75     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
     76     : caller_task_runner_(caller_task_runner),
     77       input_task_runner_(input_task_runner),
     78       ui_task_runner_(ui_task_runner) {
     79 }
     80 
     81 BasicDesktopEnvironmentFactory::~BasicDesktopEnvironmentFactory() {
     82 }
     83 
     84 bool BasicDesktopEnvironmentFactory::SupportsAudioCapture() const {
     85   DCHECK(caller_task_runner_->BelongsToCurrentThread());
     86 
     87   return AudioCapturer::IsSupported();
     88 }
     89 
     90 }  // namespace remoting
     91