blob: 5c06dd111a7aaed6fa6519ba49ae045ea3a75ef4 [file] [log] [blame]
// 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 "ui/aura/aura_export.h"
namespace gfx {
class Point;
namespace aura {
class Window;
class WindowTreeHost;
class AURA_EXPORT WindowTreeHostObserver {
// Called when the host's client size has changed.
virtual void OnHostResized(const WindowTreeHost* host) {}
// Called when the host is moved on screen.
virtual void OnHostMoved(const WindowTreeHost* host,
const gfx::Point& new_origin) {}
// Called when the host is moved to a different workspace.
virtual void OnHostWorkspaceChanged(const WindowTreeHost* host) {}
// Called when the native window system sends the host request to close.
virtual void OnHostCloseRequested(const WindowTreeHost* host) {}
virtual ~WindowTreeHostObserver() {}
} // namespace aura