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

remoting/host/session_event_executor_win.cc

Index: remoting/host/session_event_executor_win.cc
diff --git a/remoting/host/session_event_executor_win.cc b/remoting/host/session_event_executor_win.cc
deleted file mode 100644
index 9fc28349e8e53ec3c7e671b40bce609d6e931c5d..0000000000000000000000000000000000000000
--- a/remoting/host/session_event_executor_win.cc
+++ /dev/null
@@ -1,155 +0,0 @@
-// 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/session_event_executor_win.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/compiler_specific.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
-#include "base/win/windows_version.h"
-#include "remoting/host/sas_injector.h"
-#include "remoting/host/win/desktop.h"
-#include "remoting/proto/event.pb.h"
-
-namespace {
-
-const uint32 kUsbLeftControl =  0x0700e0;
-const uint32 kUsbRightControl = 0x0700e4;
-const uint32 kUsbLeftAlt =  0x0700e2;
-const uint32 kUsbRightAlt = 0x0700e6;
-const uint32 kUsbDelete = 0x07004c;
-
-bool CheckCtrlAndAltArePressed(const std::set<uint32>& pressed_keys) {
-  size_t ctrl_keys = pressed_keys.count(kUsbLeftControl) +
-    pressed_keys.count(kUsbRightControl);
-  size_t alt_keys = pressed_keys.count(kUsbLeftAlt) +
-    pressed_keys.count(kUsbRightAlt);
-  return ctrl_keys != 0 && alt_keys != 0 &&
-    (ctrl_keys + alt_keys == pressed_keys.size());
-}
-
-} // namespace
-
-namespace remoting {
-
-using protocol::ClipboardEvent;
-using protocol::MouseEvent;
-using protocol::KeyEvent;
-
-SessionEventExecutorWin::SessionEventExecutorWin(
-    scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-    scoped_ptr<EventExecutor> nested_executor)
-    : nested_executor_(nested_executor.Pass()),
-      task_runner_(main_task_runner),
-      ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)),
-      weak_ptr_(weak_ptr_factory_.GetWeakPtr()) {
-  // Let |weak_ptr_| be used on the |task_runner_| thread.
-  // |weak_ptr_| and |weak_ptr_factory_| share a ThreadChecker, so the
-  // following line affects both of them.
-  weak_ptr_factory_.DetachFromThread();
-}
-
-SessionEventExecutorWin::~SessionEventExecutorWin() {
-}
-
-void SessionEventExecutorWin::OnSessionStarted(
-    scoped_ptr<protocol::ClipboardStub> client_clipboard) {
-  if (!task_runner_->BelongsToCurrentThread()) {
-    task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&SessionEventExecutorWin::OnSessionStarted,
-                   weak_ptr_, base::Passed(&client_clipboard)));
-    return;
-  }
-
-  nested_executor_->OnSessionStarted(client_clipboard.Pass());
-}
-
-void SessionEventExecutorWin::OnSessionFinished() {
-  if (!task_runner_->BelongsToCurrentThread()) {
-    task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&SessionEventExecutorWin::OnSessionFinished,
-                   weak_ptr_));
-    return;
-  }
-
-  nested_executor_->OnSessionFinished();
-}
-
-void SessionEventExecutorWin::InjectClipboardEvent(
-    const ClipboardEvent& event) {
-  if (!task_runner_->BelongsToCurrentThread()) {
-    task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&SessionEventExecutorWin::InjectClipboardEvent,
-                   weak_ptr_, event));
-    return;
-  }
-
-  nested_executor_->InjectClipboardEvent(event);
-}
-
-void SessionEventExecutorWin::InjectKeyEvent(const KeyEvent& event) {
-  if (!task_runner_->BelongsToCurrentThread()) {
-    task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&SessionEventExecutorWin::InjectKeyEvent,
-                   weak_ptr_, event));
-    return;
-  }
-
-  // HostEventDispatcher should drop events lacking the pressed field.
-  DCHECK(event.has_pressed());
-
-  if (event.has_usb_keycode()) {
-    if (event.pressed()) {
-      // Simulate secure attention sequence if Ctrl-Alt-Del was just pressed.
-      if (event.usb_keycode() == kUsbDelete &&
-          CheckCtrlAndAltArePressed(pressed_keys_)) {
-        VLOG(3) << "Sending Secure Attention Sequence to console";
-
-        if (sas_injector_.get() == NULL)
-          sas_injector_ = SasInjector::Create();
-        sas_injector_->InjectSas();
-      }
-
-      pressed_keys_.insert(event.usb_keycode());
-    } else {
-      pressed_keys_.erase(event.usb_keycode());
-    }
-  }
-
-  SwitchToInputDesktop();
-  nested_executor_->InjectKeyEvent(event);
-}
-
-void SessionEventExecutorWin::InjectMouseEvent(const MouseEvent& event) {
-  if (!task_runner_->BelongsToCurrentThread()) {
-    task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&SessionEventExecutorWin::InjectMouseEvent,
-                   weak_ptr_, event));
-    return;
-  }
-
-  SwitchToInputDesktop();
-  nested_executor_->InjectMouseEvent(event);
-}
-
-void SessionEventExecutorWin::SwitchToInputDesktop() {
-  // Switch to the desktop receiving user input if different from the current
-  // one.
-  scoped_ptr<Desktop> input_desktop = Desktop::GetInputDesktop();
-  if (input_desktop.get() != NULL && !desktop_.IsSame(*input_desktop)) {
-    // If SetThreadDesktop() fails, the thread is still assigned a desktop.
-    // So we can continue capture screen bits, just from a diffected desktop.
-    desktop_.SetThreadDesktop(input_desktop.Pass());
-  }
-}
-
-}  // namespace remoting