blob: b3b6431701e87844329d4066c4bc78d2c9b78833 [file] [log] [blame]
// Copyright 2016 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 "ash/wm/fullscreen_window_finder.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/wm/switchable_windows.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ui/aura/window.h"
#include "ui/compositor/layer.h"
#include "ui/wm/core/window_util.h"
namespace ash {
namespace wm {
aura::Window* GetWindowForFullscreenMode(aura::Window* context) {
aura::Window* topmost_window = nullptr;
aura::Window* active_window = GetActiveWindow();
if (active_window &&
active_window->GetRootWindow() == context->GetRootWindow() &&
IsSwitchableContainer(active_window->parent())) {
// Use the active window when it is on the current root window to determine
// the fullscreen state to allow temporarily using a panel (which is always
// above the default container) while a fullscreen window is open. We only
// use the active window when in a switchable container as the launcher
// should not exit fullscreen mode.
topmost_window = active_window;
} else {
// Otherwise, use the topmost window on the root window's default container
// when there is no active window on this root window.
const std::vector<aura::Window*>& windows =
for (auto iter = windows.rbegin(); iter != windows.rend(); ++iter) {
if (GetWindowState(*iter)->IsUserPositionable() &&
(*iter)->layer()->GetTargetVisibility()) {
topmost_window = *iter;
while (topmost_window) {
if (GetWindowState(topmost_window)->IsFullscreen() ||
GetWindowState(topmost_window)->IsPinned()) {
return topmost_window;
topmost_window = ::wm::GetTransientParent(topmost_window);
if (topmost_window)
topmost_window = topmost_window->GetToplevelWindow();
return nullptr;
} // namespace wm
} // namespace ash