wm: Fade screen on signout.

window_manager.cc

 // Copyright (c) 2010 The Chromium OS 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 "window_manager/window_manager.h"
 
 #include <cstring>
 #include <ctime>
 #include <list>
 #include <queue>
@@ skipping 882 matching lines @@
     num_windows += layout_manager_->num_toplevels();
   return num_windows;
 }
 
 void WindowManager::DestroyLoginController() {
   event_loop_->PostTask(
       NewPermanentCallback(
           this, &WindowManager::DestroyLoginControllerInternal));
 }
 
-bool WindowManager::IsShuttingDown() const {
+bool WindowManager::IsSessionEnding() const {
   if (!screen_locker_handler_.get())
     return false;
-  return screen_locker_handler_->shutting_down();
+  return screen_locker_handler_->session_ending();
 }
 
 bool WindowManager::GetManagerSelection(
     XAtom atom, XWindow manager_win, XTime timestamp) {
   // Find the current owner of the selection and select events on it so
   // we'll know when it's gone away.
   XWindow current_manager = xconn_->GetSelectionOwner(atom);
   if (current_manager)
     xconn_->SelectInputOnWindow(current_manager, StructureNotifyMask, false);
 
@@ skipping 723 matching lines @@
 
 void WindowManager::HandleEnterNotify(const XEnterWindowEvent& e) {
   DLOG(INFO) << "Handling enter notify for " << XidStr(e.window);
   FOR_EACH_INTERESTED_EVENT_CONSUMER(
       window_event_consumers_,
       e.window,
       HandlePointerEnter(e.window, e.x, e.y, e.x_root, e.y_root, e.time));
 }
 
 void WindowManager::HandleKeyPress(const XKeyEvent& e) {
-  // We grab the keyboard while shutting down; ignore any events that we get.
-  if (IsShuttingDown())
+  // We grab the keyboard while shutting down or signing out; ignore any events
+  // that we get.
+  if (IsSessionEnding())
     return;
   key_bindings_->HandleKeyPress(e.keycode, e.state, e.time);
 }
 
 void WindowManager::HandleKeyRelease(const XKeyEvent& e) {
-  if (IsShuttingDown())
+  if (IsSessionEnding())
     return;
   key_bindings_->HandleKeyRelease(e.keycode, e.state, e.time);
 }
 
 void WindowManager::HandleLeaveNotify(const XLeaveWindowEvent& e) {
   DLOG(INFO) << "Handling leave notify for " << XidStr(e.window);
   FOR_EACH_INTERESTED_EVENT_CONSUMER(
       window_event_consumers_,
       e.window,
       HandlePointerLeave(e.window, e.x, e.y, e.x_root, e.y_root, e.time));
@@ skipping 359 matching lines @@
   event_consumers_.erase(login_controller_.get());
   login_controller_.reset();
 }
 
 void WindowManager::PingChrome() {
   chrome_watchdog_->SendPingToChrome(GetCurrentTimeFromServer(),
                                      kPingChromeTimeoutMs);
 }
 
 }  // namespace window_manager