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// Copyright 2014 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/fullscreen.h"
#include <vector>
#include "ui/gfx/native_widget_types.h"
#include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
#include "ui/views/widget/widget.h"
bool IsFullScreenMode() {
std::vector<aura::Window*> all_windows =
views::DesktopWindowTreeHostX11::GetAllOpenWindows();
// Only the topmost window is checked. This works fine in the most cases, but
// it may return false when there are multiple displays and one display has
// a fullscreen window but others don't. See: crbug.com/345484
if (all_windows.empty())
return false;
views::Widget* widget =
views::Widget::GetWidgetForNativeWindow(all_windows[0]);
return widget && widget->IsFullscreen();
}
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