chrome/browser/fullscreen_aurax11.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/fullscreen.h"
   6
   7 #include <vector>
   8
   9 #include "ui/gfx/native_widget_types.h"
  10 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
  11 #include "ui/views/widget/widget.h"
  12
  13 bool IsFullScreenMode() {
  14   std::vector<aura::Window*> all_windows =
  15       views::DesktopWindowTreeHostX11::GetAllOpenWindows();
  16   // Only the topmost window is checked. This works fine in the most cases, but
  17   // it may return false when there are multiple displays and one display has
  18   // a fullscreen window but others don't. See: crbug.com/345484
  19   if (all_windows.empty())
  20     return false;
  21
  22   views::Widget* widget =
  23       views::Widget::GetWidgetForNativeWindow(all_windows[0]);
  24   return widget && widget->IsFullscreen();
  25 }