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 "ash/root_window_controller.h"
  10 #include "chrome/browser/ui/host_desktop.h"
  11 #include "ui/gfx/native_widget_types.h"
  12 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
  13 #include "ui/views/widget/widget.h"
  14
  15 bool IsFullScreenMode() {
  16 #if defined(USE_ASH)
  17   if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH) {
  18     ash::RootWindowController* controller =
  19         ash::RootWindowController::ForTargetRootWindow();
  20     return controller && controller->GetWindowForFullscreenMode();
  21   }
  22 #endif
  23
  24   std::vector<aura::Window*> all_windows =
  25       views::DesktopWindowTreeHostX11::GetAllOpenWindows();
  26   // Only the topmost window is checked. This works fine in the most cases, but
  27   // it may return false when there are multiple displays and one display has
  28   // a fullscreen window but others don't. See: crbug.com/345484
  29   if (all_windows.empty())
  30     return false;
  31
  32   views::Widget* widget =
  33       views::Widget::GetWidgetForNativeWindow(all_windows[0]);
  34   return widget && widget->IsFullscreen();
  35 }