summaryrefslogtreecommitdiffstats
path: root/remoting/host/desktop_environment.h
blob: 1ed5cd3cbde28e22491ce4da1c6581bbc7f1fce6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
// 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.

#ifndef REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
#define REMOTING_HOST_DESKTOP_ENVIRONMENT_H_

#include <string>

#include "base/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"

namespace base {
class SingleThreadTaskRunner;
}  // namespace base

namespace webrtc {
class DesktopCapturer;
class MouseCursorMonitor;
}  // namespace webrtc

namespace remoting {

namespace protocol {
class ClientStub;
}  // namespace protocol

class AudioCapturer;
class ClientSessionControl;
class InputInjector;
class ScreenControls;

// Provides factory methods for creation of audio/video capturers and event
// executor for a given desktop environment.
class DesktopEnvironment {
 public:
  virtual ~DesktopEnvironment() {}

  // Factory methods used to create audio/video capturers, event executor, and
  // screen controls object for a particular desktop environment.
  virtual scoped_ptr<AudioCapturer> CreateAudioCapturer() = 0;
  virtual scoped_ptr<InputInjector> CreateInputInjector() = 0;
  virtual scoped_ptr<ScreenControls> CreateScreenControls() = 0;
  virtual scoped_ptr<webrtc::DesktopCapturer> CreateVideoCapturer() = 0;
  virtual scoped_ptr<webrtc::MouseCursorMonitor> CreateMouseCursorMonitor() = 0;

  // Returns the set of all capabilities supported by |this|.
  virtual std::string GetCapabilities() const = 0;

  // Passes the final set of capabilities negotiated between the client and host
  // to |this|.
  virtual void SetCapabilities(const std::string& capabilities) = 0;
};

// Used to create |DesktopEnvironment| instances.
class DesktopEnvironmentFactory {
 public:
  virtual ~DesktopEnvironmentFactory() {}

  // Creates an instance of |DesktopEnvironment|. Returns a nullptr pointer if
  // the desktop environment could not be created for any reason (if the curtain
  // failed to active for instance). |client_session_control| must outlive
  // the created desktop environment.
  virtual scoped_ptr<DesktopEnvironment> Create(
      base::WeakPtr<ClientSessionControl> client_session_control) = 0;

  // Enables or disables the curtain mode.
  virtual void SetEnableCurtaining(bool enable) {}

  // Returns |true| if created |DesktopEnvironment| instances support audio
  // capture.
  virtual bool SupportsAudioCapture() const = 0;
};

}  // namespace remoting

#endif  // REMOTING_HOST_DESKTOP_ENVIRONMENT_H_