[Chromoting] Refactoring DesktopEnvironment and moving screen/audio recorders to ClientSession.

remoting/host/win/session_event_executor.h

+// 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_WIN_SESSION_EVENT_EXECUTOR_H_
+#define REMOTING_HOST_WIN_SESSION_EVENT_EXECUTOR_H_
+
+#include <set>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "remoting/host/event_executor.h"
+#include "remoting/host/win/scoped_thread_desktop.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+} // namespace base
+
+namespace remoting {
+
+class SasInjector;
+
+class SessionEventExecutorWin : public EventExecutor {
+ public:
+  SessionEventExecutorWin(
+      scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
+      scoped_ptr<EventExecutor> nested_executor);
+  ~SessionEventExecutorWin();
+
+  // EventExecutor implementation.
+  virtual void Start(
+      scoped_ptr<protocol::ClipboardStub> client_clipboard) OVERRIDE;
+  virtual void StopAndDelete() OVERRIDE;
+
+  // protocol::ClipboardStub implementation.
+  virtual void InjectClipboardEvent(
+      const protocol::ClipboardEvent& event) OVERRIDE;
+
+  // protocol::InputStub implementation.
+  virtual void InjectKeyEvent(const protocol::KeyEvent& event) OVERRIDE;
+  virtual void InjectMouseEvent(const protocol::MouseEvent& event) OVERRIDE;
+
+ private:
+  // Switches to the desktop receiving a user input if different from
+  // the current one.
+  void SwitchToInputDesktop();
+
+  // Pointer to the next event executor.
+  scoped_ptr<EventExecutor> nested_executor_;
+
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+
+  ScopedThreadDesktop desktop_;
+
+  scoped_ptr<SasInjector> sas_injector_;
+
+  // Keys currently pressed by the client, used to detect Ctrl-Alt-Del.
+  std::set<uint32> pressed_keys_;
+
+  base::WeakPtrFactory<SessionEventExecutorWin> weak_ptr_factory_;
+  base::WeakPtr<SessionEventExecutorWin> weak_ptr_;
+
+  DISALLOW_COPY_AND_ASSIGN(SessionEventExecutorWin);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_WIN_SESSION_EVENT_EXECUTOR_H_