Exit Fullscreen when screen is locked

chrome/browser/chromeos/login/screen_locker.cc

 // Copyright (c) 2010 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 "chrome/browser/chromeos/login/screen_locker.h"
 
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/message_loop.h"
 #include "base/singleton.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
+#include "chrome/browser/browser_window.h"
 #include "chrome/browser/chromeos/cros/input_method_library.h"
 #include "chrome/browser/chromeos/cros/screen_lock_library.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/authenticator.h"
 #include "chrome/browser/chromeos/login/background_view.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/chromeos/login/message_bubble.h"
 #include "chrome/browser/chromeos/login/screen_lock_view.h"
 #include "chrome/browser/chromeos/wm_ipc.h"
 #include "chrome/browser/metrics/user_metrics.h"
@@ skipping 546 matching lines @@
 void ScreenLocker::OnGrabInputs() {
   DLOG(INFO) << "OnGrabInputs";
   input_grabbed_ = true;
   if (drawn_)
     ScreenLockReady();
 }
 
 // static
 void ScreenLocker::Show() {
   DCHECK(MessageLoop::current()->type() == MessageLoop::TYPE_UI);
+
+  // Exit fullscreen.
+  Browser* browser = BrowserList::GetLastActive();
+  DCHECK(browser);
+  if (browser->window()->IsFullscreen()) {
+    browser->ToggleFullscreenMode();
+  }
+
   // TODO(oshima): Currently, PowerManager may send a lock screen event
   // even if a screen is locked. Investigate & solve the issue and
   // enable this again if it's possible.
   // DCHECK(!screen_locker_);
   if (!screen_locker_) {
     ScreenLocker* locker =
         new ScreenLocker(UserManager::Get()->logged_in_user());
     locker->Init();
   } else {
     LOG(INFO) << "Show(): screen locker already exists. ignoring";
@@ skipping 80 matching lines @@
 }
 
 void ScreenLocker::OnWindowManagerReady() {
   DLOG(INFO) << "OnClientEvent: drawn for lock";
   drawn_ = true;
   if (input_grabbed_)
     ScreenLockReady();
 }
 
 }  // namespace chromeos