blob: ee1bef347cae9ccf6cc7b619574311f9aec6ca14 [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/common/wm/fullscreen_window_finder.h"
#include "ash/common/wm/switchable_windows.h"
#include "ash/common/wm/window_state.h"
#include "ash/common/wm_shell.h"
#include "ash/common/wm_window.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ui/compositor/layer.h"
namespace ash {
namespace wm {
WmWindow* GetWindowForFullscreenMode(WmWindow* context) {
WmWindow* topmost_window = nullptr;
WmWindow* active_window = context->GetShell()->GetActiveWindow();
if (active_window &&
active_window->GetRootWindow() == context->GetRootWindow() &&
IsSwitchableContainer(active_window->GetParent())) {
// Use the active window when it is on the current root window to determine
// the fullscreen state to allow temporarily using a panel or docked window
// (which are 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.
std::vector<WmWindow*> windows =
context->GetRootWindow()
->GetChildByShellWindowId(kShellWindowId_DefaultContainer)
->GetChildren();
for (auto iter = windows.rbegin(); iter != windows.rend(); ++iter) {
if ((*iter)->GetWindowState()->IsUserPositionable() &&
(*iter)->GetLayerTargetVisibility()) {
topmost_window = *iter;
break;
}
}
}
while (topmost_window) {
if (topmost_window->GetWindowState()->IsFullscreen())
return topmost_window;
topmost_window = topmost_window->GetTransientParent();
}
return nullptr;
}
} // namespace wm
} // namespace ash