chromium/extensions/shell/browser/root_window_controller.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef EXTENSIONS_SHELL_BROWSER_ROOT_WINDOW_CONTROLLER_H_
#define EXTENSIONS_SHELL_BROWSER_ROOT_WINDOW_CONTROLLER_H_

#include <list>
#include <memory>

#include "base/memory/raw_ptr.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "ui/aura/client/window_parenting_client.h"
#include "ui/aura/window_tree_host_observer.h"
#include "ui/gfx/native_widget_types.h"

namespace aura {
class WindowTreeHost;
namespace client {
class ScreenPositionClient;
}  // namespace client
}  // namespace aura

namespace content {
class BrowserContext;
}  // namespace content

namespace gfx {
class Rect;
class Size;
}  // namespace gfx

namespace extensions {
class AppWindow;

// Owns and manages a WindowTreeHost for a display. New AppWindows will fill
// the entire root window. Any additional AppWindows are simply drawn over the
// existing AppWindow(s) and cannot be resized except by resizing the
// WindowTreeHost.
// TODO(michaelpg): Allow app windows to move between displays when bounds are
// updated via the chrome.app.window API.
class RootWindowController : public aura::client::WindowParentingClient,
                             public aura::WindowTreeHostObserver,
                             public AppWindowRegistry::Observer { … };

}  // namespace extensions

#endif  // EXTENSIONS_SHELL_BROWSER_ROOT_WINDOW_CONTROLLER_H_